text: (function () {
  
  var defs = {}; // id -> {dependencies, definition, instance (possibly undefined)}
  
  // Used when there is no 'main' module.
  // The name is probably (hopefully) unique so minification removes for releases.
  var register_3795 = function (id) {
    var module = dem(id);
    var fragments = id.split('.');
    var target = Function('return this;')();
    for (var i = 0; i < fragments.length - 1; ++i) {
      if (target[fragments[i]] === undefined)
        target[fragments[i]] = {};
      target = target[fragments[i]];
    }
    target[fragments[fragments.length - 1]] = module;
  };
  
  var instantiate = function (id) {
    var actual = defs[id];
    var dependencies = actual.deps;
    var definition = actual.defn;
    var len = dependencies.length;
    var instances = new Array(len);
    for (var i = 0; i < len; ++i)
      instances[i] = dem(dependencies[i]);
    var defResult = definition.apply(null, instances);
    if (defResult === undefined)
       throw 'module [' + id + '] returned undefined';
    actual.instance = defResult;
  };
  
  var def = function (id, dependencies, definition) {
    if (typeof id !== 'string')
      throw 'module id must be a string';
    else if (dependencies === undefined)
      throw 'no dependencies for ' + id;
    else if (definition === undefined)
      throw 'no definition function for ' + id;
    defs[id] = {
      deps: dependencies,
      defn: definition,
      instance: undefined
    };
  };
  
  var dem = function (id) {
    var actual = defs[id];
    if (actual === undefined)
      throw 'module [' + id + '] was undefined';
    else if (actual.instance === undefined)
      instantiate(id);
    return actual.instance;
  };
  
  var req = function (ids, callback) {
    var len = ids.length;
    var instances = new Array(len);
    for (var i = 0; i < len; ++i)
      instances[i] = dem(ids[i]);
    callback.apply(null, instances);
  };
  
  var ephox = {};
  
  ephox.bolt = {
    module: {
      api: {
        define: def,
        require: req,
        demand: dem
      }
    }
  };
  
  var define = def;
  var require = req;
  var demand = dem;
  // this helps with minification when using a lot of global references
  var defineGlobal = function (id, ref) {
    define(id, [], function () { return ref; });
  };
  /*jsc
  ["tinymce.themes.modern.Theme","global!window","tinymce.core.ThemeManager","tinymce.themes.modern.api.ThemeApi","tinymce.ui.Api","tinymce.ui.FormatControls","global!tinymce.util.Tools.resolve","tinymce.themes.modern.ui.Render","tinymce.themes.modern.ui.Resize","tinymce.ui.NotificationManagerImpl","tinymce.ui.WindowManagerImpl","tinymce.core.ui.Factory","tinymce.core.util.Tools","tinymce.ui.AbsoluteLayout","tinymce.ui.BrowseButton","tinymce.ui.Button","tinymce.ui.ButtonGroup","tinymce.ui.Checkbox","tinymce.ui.Collection","tinymce.ui.ColorBox","tinymce.ui.ColorButton","tinymce.ui.ColorPicker","tinymce.ui.ComboBox","tinymce.ui.Container","tinymce.ui.Control","tinymce.ui.DragHelper","tinymce.ui.DropZone","tinymce.ui.ElementPath","tinymce.ui.FieldSet","tinymce.ui.FilePicker","tinymce.ui.FitLayout","tinymce.ui.FlexLayout","tinymce.ui.FloatPanel","tinymce.ui.FlowLayout","tinymce.ui.Form","ephox.katamari.api.Fun","ephox.sugar.api.node.Element","ephox.sugar.api.search.SelectorFind","global!document","tinymce.core.EditorManager","tinymce.core.Env","tinymce.ui.Widget","tinymce.ui.editorui.Align","tinymce.ui.editorui.FontSelect","tinymce.ui.editorui.FontSizeSelect","tinymce.ui.editorui.FormatSelect","tinymce.ui.editorui.Formats","tinymce.ui.editorui.InsertButton","tinymce.ui.editorui.SimpleControls","tinymce.ui.editorui.UndoRedo","tinymce.ui.editorui.VisualAid","tinymce.ui.FormItem","tinymce.ui.GridLayout","tinymce.ui.Iframe","tinymce.ui.InfoBox","tinymce.ui.KeyboardNavigation","tinymce.ui.Label","tinymce.ui.Layout","tinymce.ui.ListBox","tinymce.ui.Menu","tinymce.ui.MenuBar","tinymce.ui.MenuButton","tinymce.ui.MenuItem","tinymce.ui.MessageBox","tinymce.ui.Movable","tinymce.ui.Notification","tinymce.ui.Panel","tinymce.ui.PanelButton","tinymce.ui.Path","tinymce.ui.Progress","tinymce.ui.Radio","tinymce.ui.ReflowQueue","tinymce.ui.Resizable","tinymce.ui.ResizeHandle","tinymce.ui.Scrollable","tinymce.ui.SelectBox","tinymce.ui.Selector","tinymce.ui.Slider","tinymce.ui.Spacer","tinymce.ui.SplitButton","tinymce.ui.StackLayout","tinymce.ui.TabPanel","tinymce.ui.TextBox","tinymce.ui.Throbber","tinymce.ui.Toolbar","tinymce.ui.Tooltip","tinymce.ui.Window","tinymce.themes.modern.api.Settings","tinymce.themes.modern.modes.Iframe","tinymce.themes.modern.modes.Inline","tinymce.themes.modern.ui.ProgressState","tinymce.core.dom.DOMUtils","tinymce.themes.modern.api.Events","ephox.katamari.api.Arr","global!setTimeout","tinymce.ui.DomUtils","tinymce.core.dom.DomQuery","tinymce.core.util.Class","tinymce.core.util.EventDispatcher","tinymce.ui.BoxUtils","tinymce.ui.ClassList","tinymce.ui.data.ObservableObject","tinymce.core.util.Delay","global!RegExp","tinymce.core.util.VK","tinymce.core.util.Color","global!Array","global!Error","tinymce.ui.content.LinkTargets","global!console","ephox.sugar.api.search.PredicateFind","ephox.sugar.api.search.Selectors","ephox.sugar.impl.ClosestOrAncestor","tinymce.ui.editorui.FormatUtils","tinymce.ui.fmt.FontInfo","tinymce.themes.modern.ui.A11y","tinymce.themes.modern.ui.ContextToolbars","tinymce.themes.modern.ui.Menubar","tinymce.themes.modern.ui.Sidebar","tinymce.themes.modern.ui.SkinLoaded","tinymce.themes.modern.ui.Toolbar","tinymce.ui.data.Binding","tinymce.core.util.Observable","ephox.katamari.api.Option","global!String","ephox.katamari.api.Id","ephox.sugar.api.search.SelectorFilter","ephox.katamari.api.Type","ephox.sugar.api.node.Body","ephox.sugar.api.dom.Compare","ephox.sugar.api.node.NodeTypes","ephox.sugar.api.node.Node","tinymce.core.geom.Rect","global!Object","global!Date","global!Math","ephox.sugar.api.search.PredicateFilter","ephox.katamari.api.Thunk","ephox.sand.api.Node","ephox.sand.api.PlatformDetection","ephox.sugar.api.search.Traverse","ephox.sand.util.Global","ephox.sand.core.PlatformDetection","global!navigator","ephox.katamari.api.Struct","ephox.sugar.alien.Recurse","ephox.katamari.api.Resolve","ephox.sand.core.Browser","ephox.sand.core.OperatingSystem","ephox.sand.detect.DeviceType","ephox.sand.detect.UaString","ephox.sand.info.PlatformInfo","ephox.katamari.data.Immutable","ephox.katamari.data.MixedBag","ephox.katamari.api.Global","ephox.sand.detect.Version","ephox.katamari.api.Strings","ephox.katamari.api.Obj","ephox.katamari.util.BagUtils","global!Number","ephox.katamari.str.StrAppend","ephox.katamari.str.StringParts"]
  jsc*/
  defineGlobal("global!window", window);
  defineGlobal("global!tinymce.util.Tools.resolve", tinymce.util.Tools.resolve);
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.ThemeManager',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.ThemeManager');
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.EditorManager',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.EditorManager');
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.Tools',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.Tools');
    }
  );
  
  /**
   * Settings.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.api.Settings',
    [
      'tinymce.core.EditorManager',
      'tinymce.core.util.Tools'
    ],
    function (EditorManager, Tools) {
      var isBrandingEnabled = function (editor) {
        return editor.getParam('branding', true);
      };
  
      var hasMenubar = function (editor) {
        return getMenubar(editor) !== false;
      };
  
      var getMenubar = function (editor) {
        return editor.getParam('menubar');
      };
  
      var hasStatusbar = function (editor) {
        return editor.getParam('statusbar', true);
      };
  
      var getToolbarSize = function (editor) {
        return editor.getParam('toolbar_items_size');
      };
  
      var getResize = function (editor) {
        var resize = editor.getParam('resize', 'vertical');
        if (resize === false) {
          return 'none';
        } else if (resize === 'both') {
          return 'both';
        } else {
          return 'vertical';
        }
      };
  
      var isReadOnly = function (editor) {
        return editor.getParam('readonly', false);
      };
  
      var getFixedToolbarContainer = function (editor) {
        return editor.getParam('fixed_toolbar_container');
      };
  
      var getInlineToolbarPositionHandler = function (editor) {
        return editor.getParam('inline_toolbar_position_handler');
      };
  
      var getMenu = function (editor) {
        return editor.getParam('menu');
      };
  
      var getRemovedMenuItems = function (editor) {
        return editor.getParam('removed_menuitems', '');
      };
  
      var getMinWidth = function (editor) {
        return editor.getParam('min_width', 100);
      };
  
      var getMinHeight = function (editor) {
        return editor.getParam('min_height', 100);
      };
  
      var getMaxWidth = function (editor) {
        return editor.getParam('max_width', 0xFFFF);
      };
  
      var getMaxHeight = function (editor) {
        return editor.getParam('max_height', 0xFFFF);
      };
  
      var getSkinUrl = function (editor) {
        var settings = editor.settings;
        var skin = settings.skin;
        var skinUrl = settings.skin_url;
  
        if (skin !== false) {
          var skinName = skin ? skin : 'lightgray';
  
          if (skinUrl) {
            skinUrl = editor.documentBaseURI.toAbsolute(skinUrl);
          } else {
            skinUrl = EditorManager.baseURL + '/skins/' + skinName;
          }
        }
  
        return skinUrl;
      };
  
      var isInline = function (editor) {
        return editor.getParam('inline', false);
      };
  
      var getIndexedToolbars = function (settings, defaultToolbar) {
        var toolbars = [];
  
        // Generate toolbar<n>
        for (var i = 1; i < 10; i++) {
          var toolbar = settings['toolbar' + i];
          if (!toolbar) {
            break;
          }
  
          toolbars.push(toolbar);
        }
  
        var mainToolbar = settings.toolbar ? [ settings.toolbar ] : [ defaultToolbar ];
        return toolbars.length > 0 ? toolbars : mainToolbar;
      };
  
      var getToolbars = function (editor) {
        var toolbar = editor.getParam('toolbar');
        var defaultToolbar = 'undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image';
  
        if (toolbar === false) {
          return [];
        } else if (Tools.isArray(toolbar)) {
          return Tools.grep(toolbar, function (toolbar) {
            return toolbar.length > 0;
          });
        } else {
          return getIndexedToolbars(editor.settings, defaultToolbar);
        }
      };
  
      return {
        isBrandingEnabled: isBrandingEnabled,
        hasMenubar: hasMenubar,
        getMenubar: getMenubar,
        hasStatusbar: hasStatusbar,
        getToolbarSize: getToolbarSize,
        getResize: getResize,
        isReadOnly: isReadOnly,
        getFixedToolbarContainer: getFixedToolbarContainer,
        getInlineToolbarPositionHandler: getInlineToolbarPositionHandler,
        getMenu: getMenu,
        getRemovedMenuItems: getRemovedMenuItems,
        getMinWidth: getMinWidth,
        getMinHeight: getMinHeight,
        getMaxWidth: getMaxWidth,
        getMaxHeight: getMaxHeight,
        getSkinUrl: getSkinUrl,
        isInline: isInline,
        getToolbars: getToolbars
      };
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.dom.DOMUtils',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.dom.DOMUtils');
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.ui.Factory',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.ui.Factory');
    }
  );
  
  /**
   * Events.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.api.Events',
    [
    ],
    function () {
      var fireSkinLoaded = function (editor) {
        return editor.fire('SkinLoaded');
      };
  
      var fireResizeEditor = function (editor) {
        return editor.fire('ResizeEditor');
      };
  
      var fireBeforeRenderUI = function (editor) {
        return editor.fire('BeforeRenderUI');
      };
  
      return {
        fireSkinLoaded: fireSkinLoaded,
        fireResizeEditor: fireResizeEditor,
        fireBeforeRenderUI: fireBeforeRenderUI
      };
    }
  );
  
  /**
   * A11y.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.A11y',
    [
    ],
    function () {
      var focus = function (panel, type) {
        return function () {
          var item = panel.find(type)[0];
  
          if (item) {
            item.focus(true);
          }
        };
      };
  
      var addKeys = function (editor, panel) {
        editor.shortcuts.add('Alt+F9', '', focus(panel, 'menubar'));
        editor.shortcuts.add('Alt+F10,F10', '', focus(panel, 'toolbar'));
        editor.shortcuts.add('Alt+F11', '', focus(panel, 'elementpath'));
        panel.on('cancel', function () {
          editor.focus();
        });
      };
  
      return {
        addKeys: addKeys
      };
    }
  );
  
  defineGlobal("global!document", document);
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.geom.Rect',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.geom.Rect');
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.Delay',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.Delay');
    }
  );
  
  /**
   * Toolbar.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.Toolbar',
    [
      'tinymce.core.ui.Factory',
      'tinymce.core.util.Tools',
      'tinymce.themes.modern.api.Settings'
    ],
    function (Factory, Tools, Settings) {
      var createToolbar = function (editor, items, size) {
        var toolbarItems = [], buttonGroup;
  
        if (!items) {
          return;
        }
  
        Tools.each(items.split(/[ ,]/), function (item) {
          var itemName;
  
          var bindSelectorChanged = function () {
            var selection = editor.selection;
  
            if (item.settings.stateSelector) {
              selection.selectorChanged(item.settings.stateSelector, function (state) {
                item.active(state);
              }, true);
            }
  
            if (item.settings.disabledStateSelector) {
              selection.selectorChanged(item.settings.disabledStateSelector, function (state) {
                item.disabled(state);
              });
            }
          };
  
          if (item === "|") {
            buttonGroup = null;
          } else {
            if (!buttonGroup) {
              buttonGroup = { type: 'buttongroup', items: [] };
              toolbarItems.push(buttonGroup);
            }
  
            if (editor.buttons[item]) {
              // TODO: Move control creation to some UI class
              itemName = item;
              item = editor.buttons[itemName];
  
              if (typeof item === "function") {
                item = item();
              }
  
              item.type = item.type || 'button';
              item.size = size;
  
              item = Factory.create(item);
              buttonGroup.items.push(item);
  
              if (editor.initialized) {
                bindSelectorChanged();
              } else {
                editor.on('init', bindSelectorChanged);
              }
            }
          }
        });
  
        return {
          type: 'toolbar',
          layout: 'flow',
          items: toolbarItems
        };
      };
  
      /**
       * Creates the toolbars from config and returns a toolbar array.
       *
       * @param {String} size Optional toolbar item size.
       * @return {Array} Array with toolbars.
       */
      var createToolbars = function (editor, size) {
        var toolbars = [];
  
        var addToolbar = function (items) {
          if (items) {
            toolbars.push(createToolbar(editor, items, size));
          }
        };
  
        Tools.each(Settings.getToolbars(editor), function (toolbar) {
          addToolbar(toolbar);
        });
  
        if (toolbars.length) {
          return {
            type: 'panel',
            layout: 'stack',
            classes: "toolbar-grp",
            ariaRoot: true,
            ariaRemember: true,
            items: toolbars
          };
        }
      };
  
      return {
        createToolbar: createToolbar,
        createToolbars: createToolbars
      };
    }
  );
  
  /**
   * ContextToolbars.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.ContextToolbars',
    [
      'global!document',
      'tinymce.core.dom.DOMUtils',
      'tinymce.core.geom.Rect',
      'tinymce.core.ui.Factory',
      'tinymce.core.util.Delay',
      'tinymce.core.util.Tools',
      'tinymce.themes.modern.api.Settings',
      'tinymce.themes.modern.ui.Toolbar'
    ],
    function (document, DOMUtils, Rect, Factory, Delay, Tools, Settings, Toolbar) {
      var DOM = DOMUtils.DOM;
  
      var toClientRect = function (geomRect) {
        return {
          left: geomRect.x,
          top: geomRect.y,
          width: geomRect.w,
          height: geomRect.h,
          right: geomRect.x + geomRect.w,
          bottom: geomRect.y + geomRect.h
        };
      };
  
      var hideAllFloatingPanels = function (editor) {
        Tools.each(editor.contextToolbars, function (toolbar) {
          if (toolbar.panel) {
            toolbar.panel.hide();
          }
        });
      };
  
      var movePanelTo = function (panel, pos) {
        panel.moveTo(pos.left, pos.top);
      };
  
      var togglePositionClass = function (panel, relPos, predicate) {
        relPos = relPos ? relPos.substr(0, 2) : '';
  
        Tools.each({
          t: 'down',
          b: 'up'
        }, function (cls, pos) {
          panel.classes.toggle('arrow-' + cls, predicate(pos, relPos.substr(0, 1)));
        });
  
        Tools.each({
          l: 'left',
          r: 'right'
        }, function (cls, pos) {
          panel.classes.toggle('arrow-' + cls, predicate(pos, relPos.substr(1, 1)));
        });
      };
  
      var userConstrain = function (handler, x, y, elementRect, contentAreaRect, panelRect) {
        panelRect = toClientRect({ x: x, y: y, w: panelRect.w, h: panelRect.h });
  
        if (handler) {
          panelRect = handler({
            elementRect: toClientRect(elementRect),
            contentAreaRect: toClientRect(contentAreaRect),
            panelRect: panelRect
          });
        }
  
        return panelRect;
      };
  
      var addContextualToolbars = function (editor) {
        var scrollContainer;
  
        var getContextToolbars = function () {
          return editor.contextToolbars || [];
        };
  
        var getElementRect = function (elm) {
          var pos, targetRect, root;
  
          pos = DOM.getPos(editor.getContentAreaContainer());
          targetRect = editor.dom.getRect(elm);
          root = editor.dom.getRoot();
  
          // Adjust targetPos for scrolling in the editor
          if (root.nodeName === 'BODY') {
            targetRect.x -= root.ownerDocument.documentElement.scrollLeft || root.scrollLeft;
            targetRect.y -= root.ownerDocument.documentElement.scrollTop || root.scrollTop;
          }
  
          targetRect.x += pos.x;
          targetRect.y += pos.y;
  
          return targetRect;
        };
  
        var reposition = function (match, shouldShow) {
          var relPos, panelRect, elementRect, contentAreaRect, panel, relRect, testPositions, smallElementWidthThreshold;
          var handler = Settings.getInlineToolbarPositionHandler(editor);
  
          if (editor.removed) {
            return;
          }
  
          if (!match || !match.toolbar.panel) {
            hideAllFloatingPanels(editor);
            return;
          }
  
          testPositions = [
            'bc-tc', 'tc-bc',
            'tl-bl', 'bl-tl',
            'tr-br', 'br-tr'
          ];
  
          panel = match.toolbar.panel;
  
          // Only show the panel on some events not for example nodeChange since that fires when context menu is opened
          if (shouldShow) {
            panel.show();
          }
  
          elementRect = getElementRect(match.element);
          panelRect = DOM.getRect(panel.getEl());
          contentAreaRect = DOM.getRect(editor.getContentAreaContainer() || editor.getBody());
          smallElementWidthThreshold = 25;
  
          if (DOM.getStyle(match.element, 'display', true) !== 'inline') {
            // We need to use these instead of the rect values since the style
            // size properites might not be the same as the real size for a table
            elementRect.w = match.element.clientWidth;
            elementRect.h = match.element.clientHeight;
          }
  
          if (!editor.inline) {
            contentAreaRect.w = editor.getDoc().documentElement.offsetWidth;
          }
  
          // Inflate the elementRect so it doesn't get placed above resize handles
          if (editor.selection.controlSelection.isResizable(match.element) && elementRect.w < smallElementWidthThreshold) {
            elementRect = Rect.inflate(elementRect, 0, 8);
          }
  
          relPos = Rect.findBestRelativePosition(panelRect, elementRect, contentAreaRect, testPositions);
          elementRect = Rect.clamp(elementRect, contentAreaRect);
  
          if (relPos) {
            relRect = Rect.relativePosition(panelRect, elementRect, relPos);
            movePanelTo(panel, userConstrain(handler, relRect.x, relRect.y, elementRect, contentAreaRect, panelRect));
          } else {
            // Allow overflow below the editor to avoid placing toolbars ontop of tables
            contentAreaRect.h += panelRect.h;
  
            elementRect = Rect.intersect(contentAreaRect, elementRect);
            if (elementRect) {
              relPos = Rect.findBestRelativePosition(panelRect, elementRect, contentAreaRect, [
                'bc-tc', 'bl-tl', 'br-tr'
              ]);
  
              if (relPos) {
                relRect = Rect.relativePosition(panelRect, elementRect, relPos);
                movePanelTo(panel, userConstrain(handler, relRect.x, relRect.y, elementRect, contentAreaRect, panelRect));
              } else {
                movePanelTo(panel, userConstrain(handler, elementRect.x, elementRect.y, elementRect, contentAreaRect, panelRect));
              }
            } else {
              panel.hide();
            }
          }
  
          togglePositionClass(panel, relPos, function (pos1, pos2) {
            return pos1 === pos2;
          });
  
          //drawRect(contentAreaRect, 'blue');
          //drawRect(elementRect, 'red');
          //drawRect(panelRect, 'green');
        };
  
        var repositionHandler = function (show) {
          return function () {
            var execute = function () {
              if (editor.selection) {
                reposition(findFrontMostMatch(editor.selection.getNode()), show);
              }
            };
  
            Delay.requestAnimationFrame(execute);
          };
        };
  
        var bindScrollEvent = function () {
          if (!scrollContainer) {
            scrollContainer = editor.selection.getScrollContainer() || editor.getWin();
            DOM.bind(scrollContainer, 'scroll', repositionHandler(true));
  
            editor.on('remove', function () {
              DOM.unbind(scrollContainer, 'scroll');
            });
          }
        };
  
        var showContextToolbar = function (match) {
          var panel;
  
          if (match.toolbar.panel) {
            match.toolbar.panel.show();
            reposition(match);
            return;
          }
  
          bindScrollEvent();
  
          panel = Factory.create({
            type: 'floatpanel',
            role: 'dialog',
            classes: 'tinymce tinymce-inline arrow',
            ariaLabel: 'Inline toolbar',
            layout: 'flex',
            direction: 'column',
            align: 'stretch',
            autohide: false,
            autofix: true,
            fixed: true,
            border: 1,
            items: Toolbar.createToolbar(editor, match.toolbar.items),
            oncancel: function () {
              editor.focus();
            }
          });
  
          match.toolbar.panel = panel;
          panel.renderTo(document.body).reflow();
          reposition(match);
        };
  
        var hideAllContextToolbars = function () {
          Tools.each(getContextToolbars(), function (toolbar) {
            if (toolbar.panel) {
              toolbar.panel.hide();
            }
          });
        };
  
        var findFrontMostMatch = function (targetElm) {
          var i, y, parentsAndSelf, toolbars = getContextToolbars();
  
          parentsAndSelf = editor.$(targetElm).parents().add(targetElm);
          for (i = parentsAndSelf.length - 1; i >= 0; i--) {
            for (y = toolbars.length - 1; y >= 0; y--) {
              if (toolbars[y].predicate(parentsAndSelf[i])) {
                return {
                  toolbar: toolbars[y],
                  element: parentsAndSelf[i]
                };
              }
            }
          }
  
          return null;
        };
  
        editor.on('click keyup setContent ObjectResized', function (e) {
          // Only act on partial inserts
          if (e.type === 'setcontent' && !e.selection) {
            return;
          }
  
          // Needs to be delayed to avoid Chrome img focus out bug
          Delay.setEditorTimeout(editor, function () {
            var match;
  
            match = findFrontMostMatch(editor.selection.getNode());
            if (match) {
              hideAllContextToolbars();
              showContextToolbar(match);
            } else {
              hideAllContextToolbars();
            }
          });
        });
  
        editor.on('blur hide contextmenu', hideAllContextToolbars);
  
        editor.on('ObjectResizeStart', function () {
          var match = findFrontMostMatch(editor.selection.getNode());
  
          if (match && match.toolbar.panel) {
            match.toolbar.panel.hide();
          }
        });
  
        editor.on('ResizeEditor ResizeWindow', repositionHandler(true));
        editor.on('nodeChange', repositionHandler(false));
  
        editor.on('remove', function () {
          Tools.each(getContextToolbars(), function (toolbar) {
            if (toolbar.panel) {
              toolbar.panel.remove();
            }
          });
  
          editor.contextToolbars = {};
        });
  
        editor.shortcuts.add('ctrl+shift+e > ctrl+shift+p', '', function () {
          var match = findFrontMostMatch(editor.selection.getNode());
          if (match && match.toolbar.panel) {
            match.toolbar.panel.items()[0].focus();
          }
        });
      };
  
      return {
        addContextualToolbars: addContextualToolbars
      };
    }
  );
  
  defineGlobal("global!Array", Array);
  defineGlobal("global!Error", Error);
  define(
    'ephox.katamari.api.Fun',
  
    [
      'global!Array',
      'global!Error'
    ],
  
    function (Array, Error) {
  
      var noop = function () { };
  
      var compose = function (fa, fb) {
        return function () {
          return fa(fb.apply(null, arguments));
        };
      };
  
      var constant = function (value) {
        return function () {
          return value;
        };
      };
  
      var identity = function (x) {
        return x;
      };
  
      var tripleEquals = function(a, b) {
        return a === b;
      };
  
      // Don't use array slice(arguments), makes the whole function unoptimisable on Chrome
      var curry = function (f) {
        // equivalent to arguments.slice(1)
        // starting at 1 because 0 is the f, makes things tricky.
        // Pay attention to what variable is where, and the -1 magic.
        // thankfully, we have tests for this.
        var args = new Array(arguments.length - 1);
        for (var i = 1; i < arguments.length; i++) args[i-1] = arguments[i];
  
        return function () {
          var newArgs = new Array(arguments.length);
          for (var j = 0; j < newArgs.length; j++) newArgs[j] = arguments[j];
  
          var all = args.concat(newArgs);
          return f.apply(null, all);
        };
      };
  
      var not = function (f) {
        return function () {
          return !f.apply(null, arguments);
        };
      };
  
      var die = function (msg) {
        return function () {
          throw new Error(msg);
        };
      };
  
      var apply = function (f) {
        return f();
      };
  
      var call = function(f) {
        f();
      };
  
      var never = constant(false);
      var always = constant(true);
      
  
      return {
        noop: noop,
        compose: compose,
        constant: constant,
        identity: identity,
        tripleEquals: tripleEquals,
        curry: curry,
        not: not,
        die: die,
        apply: apply,
        call: call,
        never: never,
        always: always
      };
    }
  );
  
  defineGlobal("global!Object", Object);
  define(
    'ephox.katamari.api.Option',
  
    [
      'ephox.katamari.api.Fun',
      'global!Object'
    ],
  
    function (Fun, Object) {
  
      var never = Fun.never;
      var always = Fun.always;
  
      /**
        Option objects support the following methods:
  
        fold :: this Option a -> ((() -> b, a -> b)) -> Option b
  
        is :: this Option a -> a -> Boolean
  
        isSome :: this Option a -> () -> Boolean
  
        isNone :: this Option a -> () -> Boolean
  
        getOr :: this Option a -> a -> a
  
        getOrThunk :: this Option a -> (() -> a) -> a
  
        getOrDie :: this Option a -> String -> a
  
        or :: this Option a -> Option a -> Option a
          - if some: return self
          - if none: return opt
  
        orThunk :: this Option a -> (() -> Option a) -> Option a
          - Same as "or", but uses a thunk instead of a value
  
        map :: this Option a -> (a -> b) -> Option b
          - "fmap" operation on the Option Functor.
          - same as 'each'
  
        ap :: this Option a -> Option (a -> b) -> Option b
          - "apply" operation on the Option Apply/Applicative.
          - Equivalent to <*> in Haskell/PureScript.
  
        each :: this Option a -> (a -> b) -> Option b
          - same as 'map'
  
        bind :: this Option a -> (a -> Option b) -> Option b
          - "bind"/"flatMap" operation on the Option Bind/Monad.
          - Equivalent to >>= in Haskell/PureScript; flatMap in Scala.
  
        flatten :: {this Option (Option a))} -> () -> Option a
          - "flatten"/"join" operation on the Option Monad.
  
        exists :: this Option a -> (a -> Boolean) -> Boolean
  
        forall :: this Option a -> (a -> Boolean) -> Boolean
  
        filter :: this Option a -> (a -> Boolean) -> Option a
  
        equals :: this Option a -> Option a -> Boolean
  
        equals_ :: this Option a -> (Option a, a -> Boolean) -> Boolean
  
        toArray :: this Option a -> () -> [a]
  
      */
  
      var none = function () { return NONE; };
  
      var NONE = (function () {
        var eq = function (o) {
          return o.isNone();
        };
  
        // inlined from peanut, maybe a micro-optimisation?
        var call = function (thunk) { return thunk(); };
        var id = function (n) { return n; };
        var noop = function () { };
  
        var me = {
          fold: function (n, s) { return n(); },
          is: never,
          isSome: never,
          isNone: always,
          getOr: id,
          getOrThunk: call,
          getOrDie: function (msg) {
            throw new Error(msg || 'error: getOrDie called on none.');
          },
          or: id,
          orThunk: call,
          map: none,
          ap: none,
          each: noop,
          bind: none,
          flatten: none,
          exists: never,
          forall: always,
          filter: none,
          equals: eq,
          equals_: eq,
          toArray: function () { return []; },
          toString: Fun.constant("none()")
        };
        if (Object.freeze) Object.freeze(me);
        return me;
      })();
  
  
      /** some :: a -> Option a */
      var some = function (a) {
  
        // inlined from peanut, maybe a micro-optimisation?
        var constant_a = function () { return a; };
  
        var self = function () {
          // can't Fun.constant this one
          return me;
        };
  
        var map = function (f) {
          return some(f(a));
        };
  
        var bind = function (f) {
          return f(a);
        };
  
        var me = {
          fold: function (n, s) { return s(a); },
          is: function (v) { return a === v; },
          isSome: always,
          isNone: never,
          getOr: constant_a,
          getOrThunk: constant_a,
          getOrDie: constant_a,
          or: self,
          orThunk: self,
          map: map,
          ap: function (optfab) {
            return optfab.fold(none, function(fab) {
              return some(fab(a));
            });
          },
          each: function (f) {
            f(a);
          },
          bind: bind,
          flatten: constant_a,
          exists: bind,
          forall: bind,
          filter: function (f) {
            return f(a) ? me : NONE;
          },
          equals: function (o) {
            return o.is(a);
          },
          equals_: function (o, elementEq) {
            return o.fold(
              never,
              function (b) { return elementEq(a, b); }
            );
          },
          toArray: function () {
            return [a];
          },
          toString: function () {
            return 'some(' + a + ')';
          }
        };
        return me;
      };
  
      /** from :: undefined|null|a -> Option a */
      var from = function (value) {
        return value === null || value === undefined ? NONE : some(value);
      };
  
      return {
        some: some,
        none: none,
        from: from
      };
    }
  );
  
  defineGlobal("global!String", String);
  define(
    'ephox.katamari.api.Arr',
  
    [
      'ephox.katamari.api.Option',
      'global!Array',
      'global!Error',
      'global!String'
    ],
  
    function (Option, Array, Error, String) {
      // Use the native Array.indexOf if it is available (IE9+) otherwise fall back to manual iteration
      // https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
      var rawIndexOf = (function () {
        var pIndexOf = Array.prototype.indexOf;
  
        var fastIndex = function (xs, x) { return  pIndexOf.call(xs, x); };
  
        var slowIndex = function(xs, x) { return slowIndexOf(xs, x); };
  
        return pIndexOf === undefined ? slowIndex : fastIndex;
      })();
  
      var indexOf = function (xs, x) {
        // The rawIndexOf method does not wrap up in an option. This is for performance reasons.
        var r = rawIndexOf(xs, x);
        return r === -1 ? Option.none() : Option.some(r);
      };
  
      var contains = function (xs, x) {
        return rawIndexOf(xs, x) > -1;
      };
  
      // Using findIndex is likely less optimal in Chrome (dynamic return type instead of bool)
      // but if we need that micro-optimisation we can inline it later.
      var exists = function (xs, pred) {
        return findIndex(xs, pred).isSome();
      };
  
      var range = function (num, f) {
        var r = [];
        for (var i = 0; i < num; i++) {
          r.push(f(i));
        }
        return r;
      };
  
      // It's a total micro optimisation, but these do make some difference.
      // Particularly for browsers other than Chrome.
      // - length caching
      // http://jsperf.com/browser-diet-jquery-each-vs-for-loop/69
      // - not using push
      // http://jsperf.com/array-direct-assignment-vs-push/2
  
      var chunk = function (array, size) {
        var r = [];
        for (var i = 0; i < array.length; i += size) {
          var s = array.slice(i, i + size);
          r.push(s);
        }
        return r;
      };
  
      var map = function(xs, f) {
        // pre-allocating array size when it's guaranteed to be known
        // http://jsperf.com/push-allocated-vs-dynamic/22
        var len = xs.length;
        var r = new Array(len);
        for (var i = 0; i < len; i++) {
          var x = xs[i];
          r[i] = f(x, i, xs);
        }
        return r;
      };
  
      // Unwound implementing other functions in terms of each.
      // The code size is roughly the same, and it should allow for better optimisation.
      var each = function(xs, f) {
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          f(x, i, xs);
        }
      };
  
      var eachr = function (xs, f) {
        for (var i = xs.length - 1; i >= 0; i--) {
          var x = xs[i];
          f(x, i, xs);
        }
      };
  
      var partition = function(xs, pred) {
        var pass = [];
        var fail = [];
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          var arr = pred(x, i, xs) ? pass : fail;
          arr.push(x);
        }
        return { pass: pass, fail: fail };
      };
  
      var filter = function(xs, pred) {
        var r = [];
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          if (pred(x, i, xs)) {
            r.push(x);
          }
        }
        return r;
      };
  
      /*
       * Groups an array into contiguous arrays of like elements. Whether an element is like or not depends on f.
       *
       * f is a function that derives a value from an element - e.g. true or false, or a string.
       * Elements are like if this function generates the same value for them (according to ===).
       *
       *
       * Order of the elements is preserved. Arr.flatten() on the result will return the original list, as with Haskell groupBy function.
       *  For a good explanation, see the group function (which is a special case of groupBy)
       *  http://hackage.haskell.org/package/base-4.7.0.0/docs/Data-List.html#v:group
       */
      var groupBy = function (xs, f) {
        if (xs.length === 0) {
          return [];
        } else {
          var wasType = f(xs[0]); // initial case for matching
          var r = [];
          var group = [];
  
          for (var i = 0, len = xs.length; i < len; i++) {
            var x = xs[i];
            var type = f(x);
            if (type !== wasType) {
              r.push(group);
              group = [];
            }
            wasType = type;
            group.push(x);
          }
          if (group.length !== 0) {
            r.push(group);
          }
          return r;
        }
      };
  
      var foldr = function (xs, f, acc) {
        eachr(xs, function (x) {
          acc = f(acc, x);
        });
        return acc;
      };
  
      var foldl = function (xs, f, acc) {
        each(xs, function (x) {
          acc = f(acc, x);
        });
        return acc;
      };
  
      var find = function (xs, pred) {
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          if (pred(x, i, xs)) {
            return Option.some(x);
          }
        }
        return Option.none();
      };
  
      var findIndex = function (xs, pred) {
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          if (pred(x, i, xs)) {
            return Option.some(i);
          }
        }
  
        return Option.none();
      };
  
      var slowIndexOf = function (xs, x) {
        for (var i = 0, len = xs.length; i < len; ++i) {
          if (xs[i] === x) {
            return i;
          }
        }
  
        return -1;
      };
  
      var push = Array.prototype.push;
      var flatten = function (xs) {
        // Note, this is possible because push supports multiple arguments:
        // http://jsperf.com/concat-push/6
        // Note that in the past, concat() would silently work (very slowly) for array-like objects.
        // With this change it will throw an error.
        var r = [];
        for (var i = 0, len = xs.length; i < len; ++i) {
          // Ensure that each value is an array itself
          if (! Array.prototype.isPrototypeOf(xs[i])) throw new Error('Arr.flatten item ' + i + ' was not an array, input: ' + xs);
          push.apply(r, xs[i]);
        }
        return r;
      };
  
      var bind = function (xs, f) {
        var output = map(xs, f);
        return flatten(output);
      };
  
      var forall = function (xs, pred) {
        for (var i = 0, len = xs.length; i < len; ++i) {
          var x = xs[i];
          if (pred(x, i, xs) !== true) {
            return false;
          }
        }
        return true;
      };
  
      var equal = function (a1, a2) {
        return a1.length === a2.length && forall(a1, function (x, i) {
          return x === a2[i];
        });
      };
  
      var slice = Array.prototype.slice;
      var reverse = function (xs) {
        var r = slice.call(xs, 0);
        r.reverse();
        return r;
      };
  
      var difference = function (a1, a2) {
        return filter(a1, function (x) {
          return !contains(a2, x);
        });
      };
  
      var mapToObject = function(xs, f) {
        var r = {};
        for (var i = 0, len = xs.length; i < len; i++) {
          var x = xs[i];
          r[String(x)] = f(x, i);
        }
        return r;
      };
  
      var pure = function(x) {
        return [x];
      };
  
      var sort = function (xs, comparator) {
        var copy = slice.call(xs, 0);
        copy.sort(comparator);
        return copy;
      };
  
      var head = function (xs) {
        return xs.length === 0 ? Option.none() : Option.some(xs[0]);
      };
  
      var last = function (xs) {
        return xs.length === 0 ? Option.none() : Option.some(xs[xs.length - 1]);
      };
  
      return {
        map: map,
        each: each,
        eachr: eachr,
        partition: partition,
        filter: filter,
        groupBy: groupBy,
        indexOf: indexOf,
        foldr: foldr,
        foldl: foldl,
        find: find,
        findIndex: findIndex,
        flatten: flatten,
        bind: bind,
        forall: forall,
        exists: exists,
        contains: contains,
        equal: equal,
        reverse: reverse,
        chunk: chunk,
        difference: difference,
        mapToObject: mapToObject,
        pure: pure,
        sort: sort,
        range: range,
        head: head,
        last: last
      };
    }
  );
  /**
   * Menubar.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.Menubar',
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'tinymce.core.util.Tools',
      'tinymce.themes.modern.api.Settings'
    ],
    function (Arr, Fun, Tools, Settings) {
      var defaultMenus = {
        file: { title: 'File', items: 'newdocument restoredraft | preview | print' },
        edit: { title: 'Edit', items: 'undo redo | cut copy paste pastetext | selectall' },
        view: { title: 'View', items: 'code | visualaid visualchars visualblocks | spellchecker | preview fullscreen' },
        insert: { title: 'Insert', items: 'image link media template codesample inserttable | charmap hr | pagebreak nonbreaking anchor toc | insertdatetime' },
        format: { title: 'Format', items: 'bold italic underline strikethrough superscript subscript codeformat | blockformats align | removeformat' },
        tools: { title: 'Tools', items: 'spellchecker spellcheckerlanguage | a11ycheck' },
        table: { title: 'Table' },
        help: { title: 'Help' }
      };
  
      var delimiterMenuNamePair = function () {
        return { name: '|', item: { text: '|' } };
      };
  
      var createMenuNameItemPair = function (name, item) {
        var menuItem = item ? { name: name, item: item } : null;
        return name === '|' ? delimiterMenuNamePair() : menuItem;
      };
  
      var hasItemName = function (namedMenuItems, name) {
        return Arr.findIndex(namedMenuItems, function (namedMenuItem) {
          return namedMenuItem.name === name;
        }).isSome();
      };
  
      var isSeparator = function (namedMenuItem) {
        return namedMenuItem && namedMenuItem.item.text === '|';
      };
  
      var cleanupMenu = function (namedMenuItems, removedMenuItems) {
        var menuItemsPass1 = Arr.filter(namedMenuItems, function (namedMenuItem) {
          return removedMenuItems.hasOwnProperty(namedMenuItem.name) === false;
        });
  
        var menuItemsPass2 = Arr.filter(menuItemsPass1, function (namedMenuItem, i, namedMenuItems) {
          return !isSeparator(namedMenuItem) || !isSeparator(namedMenuItems[i - 1]);
        });
  
        return Arr.filter(menuItemsPass2, function (namedMenuItem, i, namedMenuItems) {
          return !isSeparator(namedMenuItem) || i > 0 && i < namedMenuItems.length - 1;
        });
      };
  
      var createMenu = function (editorMenuItems, menus, removedMenuItems, context) {
        var menuButton, menu, namedMenuItems, isUserDefined;
  
        // User defined menu
        if (menus) {
          menu = menus[context];
          isUserDefined = true;
        } else {
          menu = defaultMenus[context];
        }
  
        if (menu) {
          menuButton = { text: menu.title };
          namedMenuItems = [];
  
          // Default/user defined items
          Tools.each((menu.items || '').split(/[ ,]/), function (name) {
            var namedMenuItem = createMenuNameItemPair(name, editorMenuItems[name]);
  
            if (namedMenuItem) {
              namedMenuItems.push(namedMenuItem);
            }
          });
  
          // Added though context
          if (!isUserDefined) {
            Tools.each(editorMenuItems, function (item, name) {
              if (item.context === context && !hasItemName(namedMenuItems, name)) {
                if (item.separator === 'before') {
                  namedMenuItems.push(delimiterMenuNamePair());
                }
  
                if (item.prependToContext) {
                  namedMenuItems.unshift(createMenuNameItemPair(name, item));
                } else {
                  namedMenuItems.push(createMenuNameItemPair(name, item));
                }
  
                if (item.separator === 'after') {
                  namedMenuItems.push(delimiterMenuNamePair());
                }
              }
            });
          }
  
          menuButton.menu = Arr.map(cleanupMenu(namedMenuItems, removedMenuItems), function (menuItem) {
            return menuItem.item;
          });
  
          if (!menuButton.menu.length) {
            return null;
          }
        }
  
        return menuButton;
      };
  
      var getDefaultMenubar = function (editor) {
        var name, defaultMenuBar = [];
        var menu = Settings.getMenu(editor);
  
        if (menu) {
          for (name in menu) {
            defaultMenuBar.push(name);
          }
        } else {
          for (name in defaultMenus) {
            defaultMenuBar.push(name);
          }
        }
  
        return defaultMenuBar;
      };
  
      var createMenuButtons = function (editor) {
        var menuButtons = [];
        var defaultMenuBar = getDefaultMenubar(editor);
        var removedMenuItems = Tools.makeMap(Settings.getRemovedMenuItems(editor).split(/[ ,]/));
  
        var menubar = Settings.getMenubar(editor);
        var enabledMenuNames = typeof menubar === "string" ? menubar.split(/[ ,]/) : defaultMenuBar;
        for (var i = 0; i < enabledMenuNames.length; i++) {
          var menuItems = enabledMenuNames[i];
          var menu = createMenu(editor.menuItems, Settings.getMenu(editor), removedMenuItems, menuItems);
          if (menu) {
            menuButtons.push(menu);
          }
        }
  
        return menuButtons;
      };
  
      return {
        createMenuButtons: createMenuButtons
      };
    }
  );
  
  /**
   * Resize.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.Resize',
    [
      'tinymce.core.dom.DOMUtils',
      'tinymce.themes.modern.api.Events',
      'tinymce.themes.modern.api.Settings'
    ],
    function (DOMUtils, Events, Settings) {
      var DOM = DOMUtils.DOM;
      var getSize = function (elm) {
        return {
          width: elm.clientWidth,
          height: elm.clientHeight
        };
      };
  
      var resizeTo = function (editor, width, height) {
        var containerElm, iframeElm, containerSize, iframeSize;
  
        containerElm = editor.getContainer();
        iframeElm = editor.getContentAreaContainer().firstChild;
        containerSize = getSize(containerElm);
        iframeSize = getSize(iframeElm);
  
        if (width !== null) {
          width = Math.max(Settings.getMinWidth(editor), width);
          width = Math.min(Settings.getMaxWidth(editor), width);
  
          DOM.setStyle(containerElm, 'width', width + (containerSize.width - iframeSize.width));
          DOM.setStyle(iframeElm, 'width', width);
        }
  
        height = Math.max(Settings.getMinHeight(editor), height);
        height = Math.min(Settings.getMaxHeight(editor), height);
        DOM.setStyle(iframeElm, 'height', height);
  
        Events.fireResizeEditor(editor);
      };
  
      var resizeBy = function (editor, dw, dh) {
        var elm = editor.getContentAreaContainer();
        resizeTo(editor, elm.clientWidth + dw, elm.clientHeight + dh);
      };
  
      return {
        resizeTo: resizeTo,
        resizeBy: resizeBy
      };
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.Env',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.Env');
    }
  );
  
  /**
   * Sidebar.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.Sidebar',
    [
      'tinymce.core.Env',
      'tinymce.core.ui.Factory',
      'tinymce.core.util.Tools',
      'tinymce.themes.modern.api.Events'
    ],
    function (Env, Factory, Tools, Events) {
      var api = function (elm) {
        return {
          element: function () {
            return elm;
          }
        };
      };
  
      var trigger = function (sidebar, panel, callbackName) {
        var callback = sidebar.settings[callbackName];
        if (callback) {
          callback(api(panel.getEl('body')));
        }
      };
  
      var hidePanels = function (name, container, sidebars) {
        Tools.each(sidebars, function (sidebar) {
          var panel = container.items().filter('#' + sidebar.name)[0];
  
          if (panel && panel.visible() && sidebar.name !== name) {
            trigger(sidebar, panel, 'onhide');
            panel.visible(false);
          }
        });
      };
  
      var deactivateButtons = function (toolbar) {
        toolbar.items().each(function (ctrl) {
          ctrl.active(false);
        });
      };
  
      var findSidebar = function (sidebars, name) {
        return Tools.grep(sidebars, function (sidebar) {
          return sidebar.name === name;
        })[0];
      };
  
      var showPanel = function (editor, name, sidebars) {
        return function (e) {
          var btnCtrl = e.control;
          var container = btnCtrl.parents().filter('panel')[0];
          var panel = container.find('#' + name)[0];
          var sidebar = findSidebar(sidebars, name);
  
          hidePanels(name, container, sidebars);
          deactivateButtons(btnCtrl.parent());
  
          if (panel && panel.visible()) {
            trigger(sidebar, panel, 'onhide');
            panel.hide();
            btnCtrl.active(false);
          } else {
            if (panel) {
              panel.show();
              trigger(sidebar, panel, 'onshow');
            } else {
              panel = Factory.create({
                type: 'container',
                name: name,
                layout: 'stack',
                classes: 'sidebar-panel',
                html: ''
              });
  
              container.prepend(panel);
              trigger(sidebar, panel, 'onrender');
              trigger(sidebar, panel, 'onshow');
            }
  
            btnCtrl.active(true);
          }
  
          Events.fireResizeEditor(editor);
        };
      };
  
      var isModernBrowser = function () {
        return !Env.ie || Env.ie >= 11;
      };
  
      var hasSidebar = function (editor) {
        return isModernBrowser() && editor.sidebars ? editor.sidebars.length > 0 : false;
      };
  
      var createSidebar = function (editor) {
        var buttons = Tools.map(editor.sidebars, function (sidebar) {
          var settings = sidebar.settings;
  
          return {
            type: 'button',
            icon: settings.icon,
            image: settings.image,
            tooltip: settings.tooltip,
            onclick: showPanel(editor, sidebar.name, editor.sidebars)
          };
        });
  
        return {
          type: 'panel',
          name: 'sidebar',
          layout: 'stack',
          classes: 'sidebar',
          items: [
            {
              type: 'toolbar',
              layout: 'stack',
              classes: 'sidebar-toolbar',
              items: buttons
            }
          ]
        };
      };
  
      return {
        hasSidebar: hasSidebar,
        createSidebar: createSidebar
      };
    }
  );
  /**
   * SkinLoaded.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.SkinLoaded', [
      'tinymce.themes.modern.api.Events'
    ],
    function (Events) {
      var fireSkinLoaded = function (editor) {
        var done = function () {
          editor._skinLoaded = true;
          Events.fireSkinLoaded(editor);
        };
  
        return function () {
          if (editor.initialized) {
            done();
          } else {
            editor.on('init', done);
          }
        };
      };
  
      return {
        fireSkinLoaded: fireSkinLoaded
      };
    }
  );
  
  /**
   * Iframe.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.modes.Iframe',
    [
      'tinymce.core.dom.DOMUtils',
      'tinymce.core.ui.Factory',
      'tinymce.core.util.Tools',
      'tinymce.themes.modern.api.Events',
      'tinymce.themes.modern.api.Settings',
      'tinymce.themes.modern.ui.A11y',
      'tinymce.themes.modern.ui.ContextToolbars',
      'tinymce.themes.modern.ui.Menubar',
      'tinymce.themes.modern.ui.Resize',
      'tinymce.themes.modern.ui.Sidebar',
      'tinymce.themes.modern.ui.SkinLoaded',
      'tinymce.themes.modern.ui.Toolbar'
    ],
    function (DOMUtils, Factory, Tools, Events, Settings, A11y, ContextToolbars, Menubar, Resize, Sidebar, SkinLoaded, Toolbar) {
      var DOM = DOMUtils.DOM;
  
      var switchMode = function (panel) {
        return function (e) {
          panel.find('*').disabled(e.mode === 'readonly');
        };
      };
  
      var editArea = function (border) {
        return {
          type: 'panel',
          name: 'iframe',
          layout: 'stack',
          classes: 'edit-area',
          border: border,
          html: ''
        };
      };
  
      var editAreaContainer = function (editor) {
        return {
          type: 'panel',
          layout: 'stack',
          classes: 'edit-aria-container',
          border: '1 0 0 0',
          items: [
            editArea('0'),
            Sidebar.createSidebar(editor)
          ]
        };
      };
  
      var render = function (editor, theme, args) {
        var panel, resizeHandleCtrl, startSize;
  
        if (args.skinUiCss) {
          DOM.styleSheetLoader.load(args.skinUiCss, SkinLoaded.fireSkinLoaded(editor));
        }
  
        panel = theme.panel = Factory.create({
          type: 'panel',
          role: 'application',
          classes: 'tinymce',
          style: 'visibility: hidden',
          layout: 'stack',
          border: 1,
          items: [
            {
              type: 'container',
              classes: 'top-part',
              items: [
                Settings.hasMenubar(editor) === false ? null : { type: 'menubar', border: '0 0 1 0', items: Menubar.createMenuButtons(editor) },
                Toolbar.createToolbars(editor, Settings.getToolbarSize(editor))
              ]
            },
            Sidebar.hasSidebar(editor) ? editAreaContainer(editor) : editArea('1 0 0 0')
          ]
        });
  
        if (Settings.getResize(editor) !== "none") {
          resizeHandleCtrl = {
            type: 'resizehandle',
            direction: Settings.getResize(editor),
  
            onResizeStart: function () {
              var elm = editor.getContentAreaContainer().firstChild;
  
              startSize = {
                width: elm.clientWidth,
                height: elm.clientHeight
              };
            },
  
            onResize: function (e) {
              if (Settings.getResize(editor) === 'both') {
                Resize.resizeTo(editor, startSize.width + e.deltaX, startSize.height + e.deltaY);
              } else {
                Resize.resizeTo(editor, null, startSize.height + e.deltaY);
              }
            }
          };
        }
  
        if (Settings.hasStatusbar(editor)) {
          var brandingLabel = Settings.isBrandingEnabled(editor) ? { type: 'label', classes: 'branding', html: ' powered by <a href="https://www.tinymce.com/?utm_campaign=editor_referral&utm_medium=poweredby&utm_source=tinymce" rel="noopener" target="_blank">tinymce</a>' } : null;
  
          panel.add({
            type: 'panel', name: 'statusbar', classes: 'statusbar', layout: 'flow', border: '1 0 0 0', ariaRoot: true, items: [
              { type: 'elementpath', editor: editor },
              resizeHandleCtrl,
              brandingLabel
            ]
          });
        }
  
        Events.fireBeforeRenderUI(editor);
        editor.on('SwitchMode', switchMode(panel));
        panel.renderBefore(args.targetNode).reflow();
  
        if (Settings.isReadOnly(editor)) {
          editor.setMode('readonly');
        }
  
        if (args.width) {
          DOM.setStyle(panel.getEl(), 'width', args.width);
        }
  
        // Remove the panel when the editor is removed
        editor.on('remove', function () {
          panel.remove();
          panel = null;
        });
  
        // Add accesibility shortcuts
        A11y.addKeys(editor, panel);
        ContextToolbars.addContextualToolbars(editor);
  
        return {
          iframeContainer: panel.find('#iframe')[0].getEl(),
          editorContainer: panel.getEl()
        };
      };
  
      return {
        render: render
      };
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.dom.DomQuery',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.dom.DomQuery');
    }
  );
  
  /**
   * DomUtils.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Private UI DomUtils proxy.
   *
   * @private
   * @class tinymce.ui.DomUtils
   */
  define(
    'tinymce.ui.DomUtils',
    [
      'global!document',
      'tinymce.core.dom.DOMUtils',
      'tinymce.core.Env',
      'tinymce.core.util.Tools'
    ],
    function (document, DOMUtils, Env, Tools) {
      "use strict";
  
      var count = 0;
  
      var funcs = {
        id: function () {
          return 'mceu_' + (count++);
        },
  
        create: function (name, attrs, children) {
          var elm = document.createElement(name);
  
          DOMUtils.DOM.setAttribs(elm, attrs);
  
          if (typeof children === 'string') {
            elm.innerHTML = children;
          } else {
            Tools.each(children, function (child) {
              if (child.nodeType) {
                elm.appendChild(child);
              }
            });
          }
  
          return elm;
        },
  
        createFragment: function (html) {
          return DOMUtils.DOM.createFragment(html);
        },
  
        getWindowSize: function () {
          return DOMUtils.DOM.getViewPort();
        },
  
        getSize: function (elm) {
          var width, height;
  
          if (elm.getBoundingClientRect) {
            var rect = elm.getBoundingClientRect();
  
            width = Math.max(rect.width || (rect.right - rect.left), elm.offsetWidth);
            height = Math.max(rect.height || (rect.bottom - rect.bottom), elm.offsetHeight);
          } else {
            width = elm.offsetWidth;
            height = elm.offsetHeight;
          }
  
          return { width: width, height: height };
        },
  
        getPos: function (elm, root) {
          return DOMUtils.DOM.getPos(elm, root || funcs.getContainer());
        },
  
        getContainer: function () {
          return Env.container ? Env.container : document.body;
        },
  
        getViewPort: function (win) {
          return DOMUtils.DOM.getViewPort(win);
        },
  
        get: function (id) {
          return document.getElementById(id);
        },
  
        addClass: function (elm, cls) {
          return DOMUtils.DOM.addClass(elm, cls);
        },
  
        removeClass: function (elm, cls) {
          return DOMUtils.DOM.removeClass(elm, cls);
        },
  
        hasClass: function (elm, cls) {
          return DOMUtils.DOM.hasClass(elm, cls);
        },
  
        toggleClass: function (elm, cls, state) {
          return DOMUtils.DOM.toggleClass(elm, cls, state);
        },
  
        css: function (elm, name, value) {
          return DOMUtils.DOM.setStyle(elm, name, value);
        },
  
        getRuntimeStyle: function (elm, name) {
          return DOMUtils.DOM.getStyle(elm, name, true);
        },
  
        on: function (target, name, callback, scope) {
          return DOMUtils.DOM.bind(target, name, callback, scope);
        },
  
        off: function (target, name, callback) {
          return DOMUtils.DOM.unbind(target, name, callback);
        },
  
        fire: function (target, name, args) {
          return DOMUtils.DOM.fire(target, name, args);
        },
  
        innerHtml: function (elm, html) {
          // Workaround for <div> in <p> bug on IE 8 #6178
          DOMUtils.DOM.setHTML(elm, html);
        }
      };
  
      return funcs;
    }
  );
  /**
   * Movable.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Movable mixin. Makes controls movable absolute and relative to other elements.
   *
   * @mixin tinymce.ui.Movable
   */
  define(
    'tinymce.ui.Movable',
    [
      'global!document',
      'global!window',
      'tinymce.ui.DomUtils'
    ],
    function (document, window, DomUtils) {
      "use strict";
  
      function calculateRelativePosition(ctrl, targetElm, rel) {
        var ctrlElm, pos, x, y, selfW, selfH, targetW, targetH, viewport, size;
  
        viewport = DomUtils.getViewPort();
  
        // Get pos of target
        pos = DomUtils.getPos(targetElm);
        x = pos.x;
        y = pos.y;
  
        if (ctrl.state.get('fixed') && DomUtils.getRuntimeStyle(document.body, 'position') == 'static') {
          x -= viewport.x;
          y -= viewport.y;
        }
  
        // Get size of self
        ctrlElm = ctrl.getEl();
        size = DomUtils.getSize(ctrlElm);
        selfW = size.width;
        selfH = size.height;
  
        // Get size of target
        size = DomUtils.getSize(targetElm);
        targetW = size.width;
        targetH = size.height;
  
        // Parse align string
        rel = (rel || '').split('');
  
        // Target corners
        if (rel[0] === 'b') {
          y += targetH;
        }
  
        if (rel[1] === 'r') {
          x += targetW;
        }
  
        if (rel[0] === 'c') {
          y += Math.round(targetH / 2);
        }
  
        if (rel[1] === 'c') {
          x += Math.round(targetW / 2);
        }
  
        // Self corners
        if (rel[3] === 'b') {
          y -= selfH;
        }
  
        if (rel[4] === 'r') {
          x -= selfW;
        }
  
        if (rel[3] === 'c') {
          y -= Math.round(selfH / 2);
        }
  
        if (rel[4] === 'c') {
          x -= Math.round(selfW / 2);
        }
  
        return {
          x: x,
          y: y,
          w: selfW,
          h: selfH
        };
      }
  
      return {
        /**
         * Tests various positions to get the most suitable one.
         *
         * @method testMoveRel
         * @param {DOMElement} elm Element to position against.
         * @param {Array} rels Array with relative positions.
         * @return {String} Best suitable relative position.
         */
        testMoveRel: function (elm, rels) {
          var viewPortRect = DomUtils.getViewPort();
  
          for (var i = 0; i < rels.length; i++) {
            var pos = calculateRelativePosition(this, elm, rels[i]);
  
            if (this.state.get('fixed')) {
              if (pos.x > 0 && pos.x + pos.w < viewPortRect.w && pos.y > 0 && pos.y + pos.h < viewPortRect.h) {
                return rels[i];
              }
            } else {
              if (pos.x > viewPortRect.x && pos.x + pos.w < viewPortRect.w + viewPortRect.x &&
                pos.y > viewPortRect.y && pos.y + pos.h < viewPortRect.h + viewPortRect.y) {
                return rels[i];
              }
            }
          }
  
          return rels[0];
        },
  
        /**
         * Move relative to the specified element.
         *
         * @method moveRel
         * @param {Element} elm Element to move relative to.
         * @param {String} rel Relative mode. For example: br-tl.
         * @return {tinymce.ui.Control} Current control instance.
         */
        moveRel: function (elm, rel) {
          if (typeof rel != 'string') {
            rel = this.testMoveRel(elm, rel);
          }
  
          var pos = calculateRelativePosition(this, elm, rel);
          return this.moveTo(pos.x, pos.y);
        },
  
        /**
         * Move by a relative x, y values.
         *
         * @method moveBy
         * @param {Number} dx Relative x position.
         * @param {Number} dy Relative y position.
         * @return {tinymce.ui.Control} Current control instance.
         */
        moveBy: function (dx, dy) {
          var self = this, rect = self.layoutRect();
  
          self.moveTo(rect.x + dx, rect.y + dy);
  
          return self;
        },
  
        /**
         * Move to absolute position.
         *
         * @method moveTo
         * @param {Number} x Absolute x position.
         * @param {Number} y Absolute y position.
         * @return {tinymce.ui.Control} Current control instance.
         */
        moveTo: function (x, y) {
          var self = this;
  
          // TODO: Move this to some global class
          function constrain(value, max, size) {
            if (value < 0) {
              return 0;
            }
  
            if (value + size > max) {
              value = max - size;
              return value < 0 ? 0 : value;
            }
  
            return value;
          }
  
          if (self.settings.constrainToViewport) {
            var viewPortRect = DomUtils.getViewPort(window);
            var layoutRect = self.layoutRect();
  
            x = constrain(x, viewPortRect.w + viewPortRect.x, layoutRect.w);
            y = constrain(y, viewPortRect.h + viewPortRect.y, layoutRect.h);
          }
  
          if (self.state.get('rendered')) {
            self.layoutRect({ x: x, y: y }).repaint();
          } else {
            self.settings.x = x;
            self.settings.y = y;
          }
  
          self.fire('move', { x: x, y: y });
  
          return self;
        }
      };
    }
  );
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.Class',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.Class');
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.EventDispatcher',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.EventDispatcher');
    }
  );
  
  /**
   * BoxUtils.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Utility class for box parsing and measuring.
   *
   * @private
   * @class tinymce.ui.BoxUtils
   */
  define(
    'tinymce.ui.BoxUtils',
    [
      'global!document'
    ],
    function (document) {
      "use strict";
  
      return {
        /**
         * Parses the specified box value. A box value contains 1-4 properties in clockwise order.
         *
         * @method parseBox
         * @param {String/Number} value Box value "0 1 2 3" or "0" etc.
         * @return {Object} Object with top/right/bottom/left properties.
         * @private
         */
        parseBox: function (value) {
          var len, radix = 10;
  
          if (!value) {
            return;
          }
  
          if (typeof value === "number") {
            value = value || 0;
  
            return {
              top: value,
              left: value,
              bottom: value,
              right: value
            };
          }
  
          value = value.split(' ');
          len = value.length;
  
          if (len === 1) {
            value[1] = value[2] = value[3] = value[0];
          } else if (len === 2) {
            value[2] = value[0];
            value[3] = value[1];
          } else if (len === 3) {
            value[3] = value[1];
          }
  
          return {
            top: parseInt(value[0], radix) || 0,
            right: parseInt(value[1], radix) || 0,
            bottom: parseInt(value[2], radix) || 0,
            left: parseInt(value[3], radix) || 0
          };
        },
  
        measureBox: function (elm, prefix) {
          function getStyle(name) {
            var defaultView = document.defaultView;
  
            if (defaultView) {
              // Remove camelcase
              name = name.replace(/[A-Z]/g, function (a) {
                return '-' + a;
              });
  
              return defaultView.getComputedStyle(elm, null).getPropertyValue(name);
            }
  
            return elm.currentStyle[name];
          }
  
          function getSide(name) {
            var val = parseFloat(getStyle(name), 10);
  
            return isNaN(val) ? 0 : val;
          }
  
          return {
            top: getSide(prefix + "TopWidth"),
            right: getSide(prefix + "RightWidth"),
            bottom: getSide(prefix + "BottomWidth"),
            left: getSide(prefix + "LeftWidth")
          };
        }
      };
    }
  );
  
  /**
   * ClassList.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Handles adding and removal of classes.
   *
   * @private
   * @class tinymce.ui.ClassList
   */
  define(
    'tinymce.ui.ClassList',
    [
      "tinymce.core.util.Tools"
    ],
    function (Tools) {
      "use strict";
  
      function noop() {
      }
  
      /**
       * Constructs a new class list the specified onchange
       * callback will be executed when the class list gets modifed.
       *
       * @constructor ClassList
       * @param {function} onchange Onchange callback to be executed.
       */
      function ClassList(onchange) {
        this.cls = [];
        this.cls._map = {};
        this.onchange = onchange || noop;
        this.prefix = '';
      }
  
      Tools.extend(ClassList.prototype, {
        /**
         * Adds a new class to the class list.
         *
         * @method add
         * @param {String} cls Class to be added.
         * @return {tinymce.ui.ClassList} Current class list instance.
         */
        add: function (cls) {
          if (cls && !this.contains(cls)) {
            this.cls._map[cls] = true;
            this.cls.push(cls);
            this._change();
          }
  
          return this;
        },
  
        /**
         * Removes the specified class from the class list.
         *
         * @method remove
         * @param {String} cls Class to be removed.
         * @return {tinymce.ui.ClassList} Current class list instance.
         */
        remove: function (cls) {
          if (this.contains(cls)) {
            for (var i = 0; i < this.cls.length; i++) {
              if (this.cls[i] === cls) {
                break;
              }
            }
  
            this.cls.splice(i, 1);
            delete this.cls._map[cls];
            this._change();
          }
  
          return this;
        },
  
        /**
         * Toggles a class in the class list.
         *
         * @method toggle
         * @param {String} cls Class to be added/removed.
         * @param {Boolean} state Optional state if it should be added/removed.
         * @return {tinymce.ui.ClassList} Current class list instance.
         */
        toggle: function (cls, state) {
          var curState = this.contains(cls);
  
          if (curState !== state) {
            if (curState) {
              this.remove(cls);
            } else {
              this.add(cls);
            }
  
            this._change();
          }
  
          return this;
        },
  
        /**
         * Returns true if the class list has the specified class.
         *
         * @method contains
         * @param {String} cls Class to look for.
         * @return {Boolean} true/false if the class exists or not.
         */
        contains: function (cls) {
          return !!this.cls._map[cls];
        },
  
        /**
         * Returns a space separated list of classes.
         *
         * @method toString
         * @return {String} Space separated list of classes.
         */
  
        _change: function () {
          delete this.clsValue;
          this.onchange.call(this);
        }
      });
  
      // IE 8 compatibility
      ClassList.prototype.toString = function () {
        var value;
  
        if (this.clsValue) {
          return this.clsValue;
        }
  
        value = '';
        for (var i = 0; i < this.cls.length; i++) {
          if (i > 0) {
            value += ' ';
          }
  
          value += this.prefix + this.cls[i];
        }
  
        return value;
      };
  
      return ClassList;
    }
  );
  /**
   * Selector.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /*eslint no-nested-ternary:0 */
  
  /**
   * Selector engine, enables you to select controls by using CSS like expressions.
   * We currently only support basic CSS expressions to reduce the size of the core
   * and the ones we support should be enough for most cases.
   *
   * @example
   * Supported expressions:
   *  element
   *  element#name
   *  element.class
   *  element[attr]
   *  element[attr*=value]
   *  element[attr~=value]
   *  element[attr!=value]
   *  element[attr^=value]
   *  element[attr$=value]
   *  element:<state>
   *  element:not(<expression>)
   *  element:first
   *  element:last
   *  element:odd
   *  element:even
   *  element element
   *  element > element
   *
   * @class tinymce.ui.Selector
   */
  define(
    'tinymce.ui.Selector',
    [
      "tinymce.core.util.Class"
    ],
    function (Class) {
      "use strict";
  
      /**
       * Produces an array with a unique set of objects. It will not compare the values
       * but the references of the objects.
       *
       * @private
       * @method unqiue
       * @param {Array} array Array to make into an array with unique items.
       * @return {Array} Array with unique items.
       */
      function unique(array) {
        var uniqueItems = [], i = array.length, item;
  
        while (i--) {
          item = array[i];
  
          if (!item.__checked) {
            uniqueItems.push(item);
            item.__checked = 1;
          }
        }
  
        i = uniqueItems.length;
        while (i--) {
          delete uniqueItems[i].__checked;
        }
  
        return uniqueItems;
      }
  
      var expression = /^([\w\\*]+)?(?:#([\w\-\\]+))?(?:\.([\w\\\.]+))?(?:\[\@?([\w\\]+)([\^\$\*!~]?=)([\w\\]+)\])?(?:\:(.+))?/i;
  
      /*jshint maxlen:255 */
      /*eslint max-len:0 */
      var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
        whiteSpace = /^\s*|\s*$/g,
        Collection;
  
      var Selector = Class.extend({
        /**
         * Constructs a new Selector instance.
         *
         * @constructor
         * @method init
         * @param {String} selector CSS like selector expression.
         */
        init: function (selector) {
          var match = this.match;
  
          function compileNameFilter(name) {
            if (name) {
              name = name.toLowerCase();
  
              return function (item) {
                return name === '*' || item.type === name;
              };
            }
          }
  
          function compileIdFilter(id) {
            if (id) {
              return function (item) {
                return item._name === id;
              };
            }
          }
  
          function compileClassesFilter(classes) {
            if (classes) {
              classes = classes.split('.');
  
              return function (item) {
                var i = classes.length;
  
                while (i--) {
                  if (!item.classes.contains(classes[i])) {
                    return false;
                  }
                }
  
                return true;
              };
            }
          }
  
          function compileAttrFilter(name, cmp, check) {
            if (name) {
              return function (item) {
                var value = item[name] ? item[name]() : '';
  
                return !cmp ? !!check :
                  cmp === "=" ? value === check :
                    cmp === "*=" ? value.indexOf(check) >= 0 :
                      cmp === "~=" ? (" " + value + " ").indexOf(" " + check + " ") >= 0 :
                        cmp === "!=" ? value != check :
                          cmp === "^=" ? value.indexOf(check) === 0 :
                            cmp === "$=" ? value.substr(value.length - check.length) === check :
                              false;
              };
            }
          }
  
          function compilePsuedoFilter(name) {
            var notSelectors;
  
            if (name) {
              name = /(?:not\((.+)\))|(.+)/i.exec(name);
  
              if (!name[1]) {
                name = name[2];
  
                return function (item, index, length) {
                  return name === 'first' ? index === 0 :
                    name === 'last' ? index === length - 1 :
                      name === 'even' ? index % 2 === 0 :
                        name === 'odd' ? index % 2 === 1 :
                          item[name] ? item[name]() :
                            false;
                };
              }
  
              // Compile not expression
              notSelectors = parseChunks(name[1], []);
  
              return function (item) {
                return !match(item, notSelectors);
              };
            }
          }
  
          function compile(selector, filters, direct) {
            var parts;
  
            function add(filter) {
              if (filter) {
                filters.push(filter);
              }
            }
  
            // Parse expression into parts
            parts = expression.exec(selector.replace(whiteSpace, ''));
  
            add(compileNameFilter(parts[1]));
            add(compileIdFilter(parts[2]));
            add(compileClassesFilter(parts[3]));
            add(compileAttrFilter(parts[4], parts[5], parts[6]));
            add(compilePsuedoFilter(parts[7]));
  
            // Mark the filter with pseudo for performance
            filters.pseudo = !!parts[7];
            filters.direct = direct;
  
            return filters;
          }
  
          // Parser logic based on Sizzle by John Resig
          function parseChunks(selector, selectors) {
            var parts = [], extra, matches, i;
  
            do {
              chunker.exec("");
              matches = chunker.exec(selector);
  
              if (matches) {
                selector = matches[3];
                parts.push(matches[1]);
  
                if (matches[2]) {
                  extra = matches[3];
                  break;
                }
              }
            } while (matches);
  
            if (extra) {
              parseChunks(extra, selectors);
            }
  
            selector = [];
            for (i = 0; i < parts.length; i++) {
              if (parts[i] != '>') {
                selector.push(compile(parts[i], [], parts[i - 1] === '>'));
              }
            }
  
            selectors.push(selector);
  
            return selectors;
          }
  
          this._selectors = parseChunks(selector, []);
        },
  
        /**
         * Returns true/false if the selector matches the specified control.
         *
         * @method match
         * @param {tinymce.ui.Control} control Control to match against the selector.
         * @param {Array} selectors Optional array of selectors, mostly used internally.
         * @return {Boolean} true/false state if the control matches or not.
         */
        match: function (control, selectors) {
          var i, l, si, sl, selector, fi, fl, filters, index, length, siblings, count, item;
  
          selectors = selectors || this._selectors;
          for (i = 0, l = selectors.length; i < l; i++) {
            selector = selectors[i];
            sl = selector.length;
            item = control;
            count = 0;
  
            for (si = sl - 1; si >= 0; si--) {
              filters = selector[si];
  
              while (item) {
                // Find the index and length since a pseudo filter like :first needs it
                if (filters.pseudo) {
                  siblings = item.parent().items();
                  index = length = siblings.length;
                  while (index--) {
                    if (siblings[index] === item) {
                      break;
                    }
                  }
                }
  
                for (fi = 0, fl = filters.length; fi < fl; fi++) {
                  if (!filters[fi](item, index, length)) {
                    fi = fl + 1;
                    break;
                  }
                }
  
                if (fi === fl) {
                  count++;
                  break;
                } else {
                  // If it didn't match the right most expression then
                  // break since it's no point looking at the parents
                  if (si === sl - 1) {
                    break;
                  }
                }
  
                item = item.parent();
              }
            }
  
            // If we found all selectors then return true otherwise continue looking
            if (count === sl) {
              return true;
            }
          }
  
          return false;
        },
  
        /**
         * Returns a tinymce.ui.Collection with matches of the specified selector inside the specified container.
         *
         * @method find
         * @param {tinymce.ui.Control} container Container to look for items in.
         * @return {tinymce.ui.Collection} Collection with matched elements.
         */
        find: function (container) {
          var matches = [], i, l, selectors = this._selectors;
  
          function collect(items, selector, index) {
            var i, l, fi, fl, item, filters = selector[index];
  
            for (i = 0, l = items.length; i < l; i++) {
              item = items[i];
  
              // Run each filter against the item
              for (fi = 0, fl = filters.length; fi < fl; fi++) {
                if (!filters[fi](item, i, l)) {
                  fi = fl + 1;
                  break;
                }
              }
  
              // All filters matched the item
              if (fi === fl) {
                // Matched item is on the last expression like: panel toolbar [button]
                if (index == selector.length - 1) {
                  matches.push(item);
                } else {
                  // Collect next expression type
                  if (item.items) {
                    collect(item.items(), selector, index + 1);
                  }
                }
              } else if (filters.direct) {
                return;
              }
  
              // Collect child items
              if (item.items) {
                collect(item.items(), selector, index);
              }
            }
          }
  
          if (container.items) {
            for (i = 0, l = selectors.length; i < l; i++) {
              collect(container.items(), selectors[i], 0);
            }
  
            // Unique the matches if needed
            if (l > 1) {
              matches = unique(matches);
            }
          }
  
          // Fix for circular reference
          if (!Collection) {
            // TODO: Fix me!
            Collection = Selector.Collection;
          }
  
          return new Collection(matches);
        }
      });
  
      return Selector;
    }
  );
  
  /**
   * Collection.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Control collection, this class contains control instances and it enables you to
   * perform actions on all the contained items. This is very similar to how jQuery works.
   *
   * @example
   * someCollection.show().disabled(true);
   *
   * @class tinymce.ui.Collection
   */
  define(
    'tinymce.ui.Collection',
    [
      "tinymce.core.util.Tools",
      "tinymce.ui.Selector",
      "tinymce.core.util.Class"
    ],
    function (Tools, Selector, Class) {
      "use strict";
  
      var Collection, proto, push = Array.prototype.push, slice = Array.prototype.slice;
  
      proto = {
        /**
         * Current number of contained control instances.
         *
         * @field length
         * @type Number
         */
        length: 0,
  
        /**
         * Constructor for the collection.
         *
         * @constructor
         * @method init
         * @param {Array} items Optional array with items to add.
         */
        init: function (items) {
          if (items) {
            this.add(items);
          }
        },
  
        /**
         * Adds new items to the control collection.
         *
         * @method add
         * @param {Array} items Array if items to add to collection.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        add: function (items) {
          var self = this;
  
          // Force single item into array
          if (!Tools.isArray(items)) {
            if (items instanceof Collection) {
              self.add(items.toArray());
            } else {
              push.call(self, items);
            }
          } else {
            push.apply(self, items);
          }
  
          return self;
        },
  
        /**
         * Sets the contents of the collection. This will remove any existing items
         * and replace them with the ones specified in the input array.
         *
         * @method set
         * @param {Array} items Array with items to set into the Collection.
         * @return {tinymce.ui.Collection} Collection instance.
         */
        set: function (items) {
          var self = this, len = self.length, i;
  
          self.length = 0;
          self.add(items);
  
          // Remove old entries
          for (i = self.length; i < len; i++) {
            delete self[i];
          }
  
          return self;
        },
  
        /**
         * Filters the collection item based on the specified selector expression or selector function.
         *
         * @method filter
         * @param {String} selector Selector expression to filter items by.
         * @return {tinymce.ui.Collection} Collection containing the filtered items.
         */
        filter: function (selector) {
          var self = this, i, l, matches = [], item, match;
  
          // Compile string into selector expression
          if (typeof selector === "string") {
            selector = new Selector(selector);
  
            match = function (item) {
              return selector.match(item);
            };
          } else {
            // Use selector as matching function
            match = selector;
          }
  
          for (i = 0, l = self.length; i < l; i++) {
            item = self[i];
  
            if (match(item)) {
              matches.push(item);
            }
          }
  
          return new Collection(matches);
        },
  
        /**
         * Slices the items within the collection.
         *
         * @method slice
         * @param {Number} index Index to slice at.
         * @param {Number} len Optional length to slice.
         * @return {tinymce.ui.Collection} Current collection.
         */
        slice: function () {
          return new Collection(slice.apply(this, arguments));
        },
  
        /**
         * Makes the current collection equal to the specified index.
         *
         * @method eq
         * @param {Number} index Index of the item to set the collection to.
         * @return {tinymce.ui.Collection} Current collection.
         */
        eq: function (index) {
          return index === -1 ? this.slice(index) : this.slice(index, +index + 1);
        },
  
        /**
         * Executes the specified callback on each item in collection.
         *
         * @method each
         * @param {function} callback Callback to execute for each item in collection.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        each: function (callback) {
          Tools.each(this, callback);
  
          return this;
        },
  
        /**
         * Returns an JavaScript array object of the contents inside the collection.
         *
         * @method toArray
         * @return {Array} Array with all items from collection.
         */
        toArray: function () {
          return Tools.toArray(this);
        },
  
        /**
         * Finds the index of the specified control or return -1 if it isn't in the collection.
         *
         * @method indexOf
         * @param {Control} ctrl Control instance to look for.
         * @return {Number} Index of the specified control or -1.
         */
        indexOf: function (ctrl) {
          var self = this, i = self.length;
  
          while (i--) {
            if (self[i] === ctrl) {
              break;
            }
          }
  
          return i;
        },
  
        /**
         * Returns a new collection of the contents in reverse order.
         *
         * @method reverse
         * @return {tinymce.ui.Collection} Collection instance with reversed items.
         */
        reverse: function () {
          return new Collection(Tools.toArray(this).reverse());
        },
  
        /**
         * Returns true/false if the class exists or not.
         *
         * @method hasClass
         * @param {String} cls Class to check for.
         * @return {Boolean} true/false state if the class exists or not.
         */
        hasClass: function (cls) {
          return this[0] ? this[0].classes.contains(cls) : false;
        },
  
        /**
         * Sets/gets the specific property on the items in the collection. The same as executing control.<property>(<value>);
         *
         * @method prop
         * @param {String} name Property name to get/set.
         * @param {Object} value Optional object value to set.
         * @return {tinymce.ui.Collection} Current collection instance or value of the first item on a get operation.
         */
        prop: function (name, value) {
          var self = this, undef, item;
  
          if (value !== undef) {
            self.each(function (item) {
              if (item[name]) {
                item[name](value);
              }
            });
  
            return self;
          }
  
          item = self[0];
  
          if (item && item[name]) {
            return item[name]();
          }
        },
  
        /**
         * Executes the specific function name with optional arguments an all items in collection if it exists.
         *
         * @example collection.exec("myMethod", arg1, arg2, arg3);
         * @method exec
         * @param {String} name Name of the function to execute.
         * @param {Object} ... Multiple arguments to pass to each function.
         * @return {tinymce.ui.Collection} Current collection.
         */
        exec: function (name) {
          var self = this, args = Tools.toArray(arguments).slice(1);
  
          self.each(function (item) {
            if (item[name]) {
              item[name].apply(item, args);
            }
          });
  
          return self;
        },
  
        /**
         * Remove all items from collection and DOM.
         *
         * @method remove
         * @return {tinymce.ui.Collection} Current collection.
         */
        remove: function () {
          var i = this.length;
  
          while (i--) {
            this[i].remove();
          }
  
          return this;
        },
  
        /**
         * Adds a class to all items in the collection.
         *
         * @method addClass
         * @param {String} cls Class to add to each item.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        addClass: function (cls) {
          return this.each(function (item) {
            item.classes.add(cls);
          });
        },
  
        /**
         * Removes the specified class from all items in collection.
         *
         * @method removeClass
         * @param {String} cls Class to remove from each item.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        removeClass: function (cls) {
          return this.each(function (item) {
            item.classes.remove(cls);
          });
        }
  
        /**
         * Fires the specified event by name and arguments on the control. This will execute all
         * bound event handlers.
         *
         * @method fire
         * @param {String} name Name of the event to fire.
         * @param {Object} args Optional arguments to pass to the event.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        // fire: function(event, args) {}, -- Generated by code below
  
        /**
         * Binds a callback to the specified event. This event can both be
         * native browser events like "click" or custom ones like PostRender.
         *
         * The callback function will have two parameters the first one being the control that received the event
         * the second one will be the event object either the browsers native event object or a custom JS object.
         *
         * @method on
         * @param {String} name Name of the event to bind. For example "click".
         * @param {String/function} callback Callback function to execute ones the event occurs.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        // on: function(name, callback) {}, -- Generated by code below
  
        /**
         * Unbinds the specified event and optionally a specific callback. If you omit the name
         * parameter all event handlers will be removed. If you omit the callback all event handles
         * by the specified name will be removed.
         *
         * @method off
         * @param {String} name Optional name for the event to unbind.
         * @param {function} callback Optional callback function to unbind.
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        // off: function(name, callback) {}, -- Generated by code below
  
        /**
         * Shows the items in the current collection.
         *
         * @method show
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        // show: function() {}, -- Generated by code below
  
        /**
         * Hides the items in the current collection.
         *
         * @method hide
         * @return {tinymce.ui.Collection} Current collection instance.
         */
        // hide: function() {}, -- Generated by code below
  
        /**
         * Sets/gets the text contents of the items in the current collection.
         *
         * @method text
         * @return {tinymce.ui.Collection} Current collection instance or text value of the first item on a get operation.
         */
        // text: function(value) {}, -- Generated by code below
  
        /**
         * Sets/gets the name contents of the items in the current collection.
         *
         * @method name
         * @return {tinymce.ui.Collection} Current collection instance or name value of the first item on a get operation.
         */
        // name: function(value) {}, -- Generated by code below
  
        /**
         * Sets/gets the disabled state on the items in the current collection.
         *
         * @method disabled
         * @return {tinymce.ui.Collection} Current collection instance or disabled state of the first item on a get operation.
         */
        // disabled: function(state) {}, -- Generated by code below
  
        /**
         * Sets/gets the active state on the items in the current collection.
         *
         * @method active
         * @return {tinymce.ui.Collection} Current collection instance or active state of the first item on a get operation.
         */
        // active: function(state) {}, -- Generated by code below
  
        /**
         * Sets/gets the selected state on the items in the current collection.
         *
         * @method selected
         * @return {tinymce.ui.Collection} Current collection instance or selected state of the first item on a get operation.
         */
        // selected: function(state) {}, -- Generated by code below
  
        /**
         * Sets/gets the selected state on the items in the current collection.
         *
         * @method visible
         * @return {tinymce.ui.Collection} Current collection instance or visible state of the first item on a get operation.
         */
        // visible: function(state) {}, -- Generated by code below
      };
  
      // Extend tinymce.ui.Collection prototype with some generated control specific methods
      Tools.each('fire on off show hide append prepend before after reflow'.split(' '), function (name) {
        proto[name] = function () {
          var args = Tools.toArray(arguments);
  
          this.each(function (ctrl) {
            if (name in ctrl) {
              ctrl[name].apply(ctrl, args);
            }
          });
  
          return this;
        };
      });
  
      // Extend tinymce.ui.Collection prototype with some property methods
      Tools.each('text name disabled active selected checked visible parent value data'.split(' '), function (name) {
        proto[name] = function (value) {
          return this.prop(name, value);
        };
      });
  
      // Create class based on the new prototype
      Collection = Class.extend(proto);
  
      // Stick Collection into Selector to prevent circual references
      Selector.Collection = Collection;
  
      return Collection;
    }
  );
  /**
   * Binding.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class gets dynamically extended to provide a binding between two models. This makes it possible to
   * sync the state of two properties in two models by a layer of abstraction.
   *
   * @private
   * @class tinymce.data.Binding
   */
  define(
    'tinymce.ui.data.Binding',
    [
    ],
    function () {
      /**
       * Constructs a new bidning.
       *
       * @constructor
       * @method Binding
       * @param {Object} settings Settings to the binding.
       */
      function Binding(settings) {
        this.create = settings.create;
      }
  
      /**
       * Creates a binding for a property on a model.
       *
       * @method create
       * @param {tinymce.data.ObservableObject} model Model to create binding to.
       * @param {String} name Name of property to bind.
       * @return {tinymce.data.Binding} Binding instance.
       */
      Binding.create = function (model, name) {
        return new Binding({
          create: function (otherModel, otherName) {
            var bindings;
  
            function fromSelfToOther(e) {
              otherModel.set(otherName, e.value);
            }
  
            function fromOtherToSelf(e) {
              model.set(name, e.value);
            }
  
            otherModel.on('change:' + otherName, fromOtherToSelf);
            model.on('change:' + name, fromSelfToOther);
  
            // Keep track of the bindings
            bindings = otherModel._bindings;
  
            if (!bindings) {
              bindings = otherModel._bindings = [];
  
              otherModel.on('destroy', function () {
                var i = bindings.length;
  
                while (i--) {
                  bindings[i]();
                }
              });
            }
  
            bindings.push(function () {
              model.off('change:' + name, fromSelfToOther);
            });
  
            return model.get(name);
          }
        });
      };
  
      return Binding;
    }
  );
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.Observable',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.Observable');
    }
  );
  
  /**
   * ObservableObject.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class is a object that is observable when properties changes a change event gets emitted.
   *
   * @private
   * @class tinymce.data.ObservableObject
   */
  define(
    'tinymce.ui.data.ObservableObject',
    [
      'tinymce.ui.data.Binding',
      'tinymce.core.util.Class',
      'tinymce.core.util.Observable',
      'tinymce.core.util.Tools'
    ], function (Binding, Class, Observable, Tools) {
      function isNode(node) {
        return node.nodeType > 0;
      }
  
      // Todo: Maybe this should be shallow compare since it might be huge object references
      function isEqual(a, b) {
        var k, checked;
  
        // Strict equals
        if (a === b) {
          return true;
        }
  
        // Compare null
        if (a === null || b === null) {
          return a === b;
        }
  
        // Compare number, boolean, string, undefined
        if (typeof a !== "object" || typeof b !== "object") {
          return a === b;
        }
  
        // Compare arrays
        if (Tools.isArray(b)) {
          if (a.length !== b.length) {
            return false;
          }
  
          k = a.length;
          while (k--) {
            if (!isEqual(a[k], b[k])) {
              return false;
            }
          }
        }
  
        // Shallow compare nodes
        if (isNode(a) || isNode(b)) {
          return a === b;
        }
  
        // Compare objects
        checked = {};
        for (k in b) {
          if (!isEqual(a[k], b[k])) {
            return false;
          }
  
          checked[k] = true;
        }
  
        for (k in a) {
          if (!checked[k] && !isEqual(a[k], b[k])) {
            return false;
          }
        }
  
        return true;
      }
  
      return Class.extend({
        Mixins: [Observable],
  
        /**
         * Constructs a new observable object instance.
         *
         * @constructor
         * @param {Object} data Initial data for the object.
         */
        init: function (data) {
          var name, value;
  
          data = data || {};
  
          for (name in data) {
            value = data[name];
  
            if (value instanceof Binding) {
              data[name] = value.create(this, name);
            }
          }
  
          this.data = data;
        },
  
        /**
         * Sets a property on the value this will call
         * observers if the value is a change from the current value.
         *
         * @method set
         * @param {String/object} name Name of the property to set or a object of items to set.
         * @param {Object} value Value to set for the property.
         * @return {tinymce.data.ObservableObject} Observable object instance.
         */
        set: function (name, value) {
          var key, args, oldValue = this.data[name];
  
          if (value instanceof Binding) {
            value = value.create(this, name);
          }
  
          if (typeof name === "object") {
            for (key in name) {
              this.set(key, name[key]);
            }
  
            return this;
          }
  
          if (!isEqual(oldValue, value)) {
            this.data[name] = value;
  
            args = {
              target: this,
              name: name,
              value: value,
              oldValue: oldValue
            };
  
            this.fire('change:' + name, args);
            this.fire('change', args);
          }
  
          return this;
        },
  
        /**
         * Gets a property by name.
         *
         * @method get
         * @param {String} name Name of the property to get.
         * @return {Object} Object value of propery.
         */
        get: function (name) {
          return this.data[name];
        },
  
        /**
         * Returns true/false if the specified property exists.
         *
         * @method has
         * @param {String} name Name of the property to check for.
         * @return {Boolean} true/false if the item exists.
         */
        has: function (name) {
          return name in this.data;
        },
  
        /**
         * Returns a dynamic property binding for the specified property name. This makes
         * it possible to sync the state of two properties in two ObservableObject instances.
         *
         * @method bind
         * @param {String} name Name of the property to sync with the property it's inserted to.
         * @return {tinymce.data.Binding} Data binding instance.
         */
        bind: function (name) {
          return Binding.create(this, name);
        },
  
        /**
         * Destroys the observable object and fires the "destroy"
         * event and clean up any internal resources.
         *
         * @method destroy
         */
        destroy: function () {
          this.fire('destroy');
        }
      });
    }
  );
  /**
   * ReflowQueue.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class will automatically reflow controls on the next animation frame within a few milliseconds on older browsers.
   * If the user manually reflows then the automatic reflow will be cancelled. This class is used internally when various control states
   * changes that triggers a reflow.
   *
   * @class tinymce.ui.ReflowQueue
   * @static
   */
  define(
    'tinymce.ui.ReflowQueue',
    [
      'global!document',
      'tinymce.core.util.Delay'
    ],
    function (document, Delay) {
      var dirtyCtrls = {}, animationFrameRequested;
  
      return {
        /**
         * Adds a control to the next automatic reflow call. This is the control that had a state
         * change for example if the control was hidden/shown.
         *
         * @method add
         * @param {tinymce.ui.Control} ctrl Control to add to queue.
         */
        add: function (ctrl) {
          var parent = ctrl.parent();
  
          if (parent) {
            if (!parent._layout || parent._layout.isNative()) {
              return;
            }
  
            if (!dirtyCtrls[parent._id]) {
              dirtyCtrls[parent._id] = parent;
            }
  
            if (!animationFrameRequested) {
              animationFrameRequested = true;
  
              Delay.requestAnimationFrame(function () {
                var id, ctrl;
  
                animationFrameRequested = false;
  
                for (id in dirtyCtrls) {
                  ctrl = dirtyCtrls[id];
  
                  if (ctrl.state.get('rendered')) {
                    ctrl.reflow();
                  }
                }
  
                dirtyCtrls = {};
              }, document.body);
            }
          }
        },
  
        /**
         * Removes the specified control from the automatic reflow. This will happen when for example the user
         * manually triggers a reflow.
         *
         * @method remove
         * @param {tinymce.ui.Control} ctrl Control to remove from queue.
         */
        remove: function (ctrl) {
          if (dirtyCtrls[ctrl._id]) {
            delete dirtyCtrls[ctrl._id];
          }
        }
      };
    }
  );
  
  /**
   * Control.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /*eslint consistent-this:0 */
  
  /**
   * This is the base class for all controls and containers. All UI control instances inherit
   * from this one as it has the base logic needed by all of them.
   *
   * @class tinymce.ui.Control
   */
  define(
    'tinymce.ui.Control',
    [
      'global!document',
      'tinymce.core.dom.DomQuery',
      'tinymce.core.util.Class',
      'tinymce.core.util.EventDispatcher',
      'tinymce.core.util.Tools',
      'tinymce.ui.BoxUtils',
      'tinymce.ui.ClassList',
      'tinymce.ui.Collection',
      'tinymce.ui.data.ObservableObject',
      'tinymce.ui.DomUtils',
      'tinymce.ui.ReflowQueue'
    ],
    function (document, DomQuery, Class, EventDispatcher, Tools, BoxUtils, ClassList, Collection, ObservableObject, DomUtils, ReflowQueue) {
      "use strict";
  
      var hasMouseWheelEventSupport = "onmousewheel" in document;
      var hasWheelEventSupport = false;
      var classPrefix = "mce-";
      var Control, idCounter = 0;
  
      var proto = {
        Statics: {
          classPrefix: classPrefix
        },
  
        isRtl: function () {
          return Control.rtl;
        },
  
        /**
         * Class/id prefix to use for all controls.
         *
         * @final
         * @field {String} classPrefix
         */
        classPrefix: classPrefix,
  
        /**
         * Constructs a new control instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {String} style Style CSS properties to add.
         * @setting {String} border Border box values example: 1 1 1 1
         * @setting {String} padding Padding box values example: 1 1 1 1
         * @setting {String} margin Margin box values example: 1 1 1 1
         * @setting {Number} minWidth Minimal width for the control.
         * @setting {Number} minHeight Minimal height for the control.
         * @setting {String} classes Space separated list of classes to add.
         * @setting {String} role WAI-ARIA role to use for control.
         * @setting {Boolean} hidden Is the control hidden by default.
         * @setting {Boolean} disabled Is the control disabled by default.
         * @setting {String} name Name of the control instance.
         */
        init: function (settings) {
          var self = this, classes, defaultClasses;
  
          function applyClasses(classes) {
            var i;
  
            classes = classes.split(' ');
            for (i = 0; i < classes.length; i++) {
              self.classes.add(classes[i]);
            }
          }
  
          self.settings = settings = Tools.extend({}, self.Defaults, settings);
  
          // Initial states
          self._id = settings.id || ('mceu_' + (idCounter++));
          self._aria = { role: settings.role };
          self._elmCache = {};
          self.$ = DomQuery;
  
          self.state = new ObservableObject({
            visible: true,
            active: false,
            disabled: false,
            value: ''
          });
  
          self.data = new ObservableObject(settings.data);
  
          self.classes = new ClassList(function () {
            if (self.state.get('rendered')) {
              self.getEl().className = this.toString();
            }
          });
          self.classes.prefix = self.classPrefix;
  
          // Setup classes
          classes = settings.classes;
          if (classes) {
            if (self.Defaults) {
              defaultClasses = self.Defaults.classes;
  
              if (defaultClasses && classes != defaultClasses) {
                applyClasses(defaultClasses);
              }
            }
  
            applyClasses(classes);
          }
  
          Tools.each('title text name visible disabled active value'.split(' '), function (name) {
            if (name in settings) {
              self[name](settings[name]);
            }
          });
  
          self.on('click', function () {
            if (self.disabled()) {
              return false;
            }
          });
  
          /**
           * Name/value object with settings for the current control.
           *
           * @field {Object} settings
           */
          self.settings = settings;
  
          self.borderBox = BoxUtils.parseBox(settings.border);
          self.paddingBox = BoxUtils.parseBox(settings.padding);
          self.marginBox = BoxUtils.parseBox(settings.margin);
  
          if (settings.hidden) {
            self.hide();
          }
        },
  
        // Will generate getter/setter methods for these properties
        Properties: 'parent,name',
  
        /**
         * Returns the root element to render controls into.
         *
         * @method getContainerElm
         * @return {Element} HTML DOM element to render into.
         */
        getContainerElm: function () {
          return DomUtils.getContainer();
        },
  
        /**
         * Returns a control instance for the current DOM element.
         *
         * @method getParentCtrl
         * @param {Element} elm HTML dom element to get parent control from.
         * @return {tinymce.ui.Control} Control instance or undefined.
         */
        getParentCtrl: function (elm) {
          var ctrl, lookup = this.getRoot().controlIdLookup;
  
          while (elm && lookup) {
            ctrl = lookup[elm.id];
            if (ctrl) {
              break;
            }
  
            elm = elm.parentNode;
          }
  
          return ctrl;
        },
  
        /**
         * Initializes the current controls layout rect.
         * This will be executed by the layout managers to determine the
         * default minWidth/minHeight etc.
         *
         * @method initLayoutRect
         * @return {Object} Layout rect instance.
         */
        initLayoutRect: function () {
          var self = this, settings = self.settings, borderBox, layoutRect;
          var elm = self.getEl(), width, height, minWidth, minHeight, autoResize;
          var startMinWidth, startMinHeight, initialSize;
  
          // Measure the current element
          borderBox = self.borderBox = self.borderBox || BoxUtils.measureBox(elm, 'border');
          self.paddingBox = self.paddingBox || BoxUtils.measureBox(elm, 'padding');
          self.marginBox = self.marginBox || BoxUtils.measureBox(elm, 'margin');
          initialSize = DomUtils.getSize(elm);
  
          // Setup minWidth/minHeight and width/height
          startMinWidth = settings.minWidth;
          startMinHeight = settings.minHeight;
          minWidth = startMinWidth || initialSize.width;
          minHeight = startMinHeight || initialSize.height;
          width = settings.width;
          height = settings.height;
          autoResize = settings.autoResize;
          autoResize = typeof autoResize != "undefined" ? autoResize : !width && !height;
  
          width = width || minWidth;
          height = height || minHeight;
  
          var deltaW = borderBox.left + borderBox.right;
          var deltaH = borderBox.top + borderBox.bottom;
  
          var maxW = settings.maxWidth || 0xFFFF;
          var maxH = settings.maxHeight || 0xFFFF;
  
          // Setup initial layout rect
          self._layoutRect = layoutRect = {
            x: settings.x || 0,
            y: settings.y || 0,
            w: width,
            h: height,
            deltaW: deltaW,
            deltaH: deltaH,
            contentW: width - deltaW,
            contentH: height - deltaH,
            innerW: width - deltaW,
            innerH: height - deltaH,
            startMinWidth: startMinWidth || 0,
            startMinHeight: startMinHeight || 0,
            minW: Math.min(minWidth, maxW),
            minH: Math.min(minHeight, maxH),
            maxW: maxW,
            maxH: maxH,
            autoResize: autoResize,
            scrollW: 0
          };
  
          self._lastLayoutRect = {};
  
          return layoutRect;
        },
  
        /**
         * Getter/setter for the current layout rect.
         *
         * @method layoutRect
         * @param {Object} [newRect] Optional new layout rect.
         * @return {tinymce.ui.Control/Object} Current control or rect object.
         */
        layoutRect: function (newRect) {
          var self = this, curRect = self._layoutRect, lastLayoutRect, size, deltaWidth, deltaHeight, undef, repaintControls;
  
          // Initialize default layout rect
          if (!curRect) {
            curRect = self.initLayoutRect();
          }
  
          // Set new rect values
          if (newRect) {
            // Calc deltas between inner and outer sizes
            deltaWidth = curRect.deltaW;
            deltaHeight = curRect.deltaH;
  
            // Set x position
            if (newRect.x !== undef) {
              curRect.x = newRect.x;
            }
  
            // Set y position
            if (newRect.y !== undef) {
              curRect.y = newRect.y;
            }
  
            // Set minW
            if (newRect.minW !== undef) {
              curRect.minW = newRect.minW;
            }
  
            // Set minH
            if (newRect.minH !== undef) {
              curRect.minH = newRect.minH;
            }
  
            // Set new width and calculate inner width
            size = newRect.w;
            if (size !== undef) {
              size = size < curRect.minW ? curRect.minW : size;
              size = size > curRect.maxW ? curRect.maxW : size;
              curRect.w = size;
              curRect.innerW = size - deltaWidth;
            }
  
            // Set new height and calculate inner height
            size = newRect.h;
            if (size !== undef) {
              size = size < curRect.minH ? curRect.minH : size;
              size = size > curRect.maxH ? curRect.maxH : size;
              curRect.h = size;
              curRect.innerH = size - deltaHeight;
            }
  
            // Set new inner width and calculate width
            size = newRect.innerW;
            if (size !== undef) {
              size = size < curRect.minW - deltaWidth ? curRect.minW - deltaWidth : size;
              size = size > curRect.maxW - deltaWidth ? curRect.maxW - deltaWidth : size;
              curRect.innerW = size;
              curRect.w = size + deltaWidth;
            }
  
            // Set new height and calculate inner height
            size = newRect.innerH;
            if (size !== undef) {
              size = size < curRect.minH - deltaHeight ? curRect.minH - deltaHeight : size;
              size = size > curRect.maxH - deltaHeight ? curRect.maxH - deltaHeight : size;
              curRect.innerH = size;
              curRect.h = size + deltaHeight;
            }
  
            // Set new contentW
            if (newRect.contentW !== undef) {
              curRect.contentW = newRect.contentW;
            }
  
            // Set new contentH
            if (newRect.contentH !== undef) {
              curRect.contentH = newRect.contentH;
            }
  
            // Compare last layout rect with the current one to see if we need to repaint or not
            lastLayoutRect = self._lastLayoutRect;
            if (lastLayoutRect.x !== curRect.x || lastLayoutRect.y !== curRect.y ||
              lastLayoutRect.w !== curRect.w || lastLayoutRect.h !== curRect.h) {
              repaintControls = Control.repaintControls;
  
              if (repaintControls) {
                if (repaintControls.map && !repaintControls.map[self._id]) {
                  repaintControls.push(self);
                  repaintControls.map[self._id] = true;
                }
              }
  
              lastLayoutRect.x = curRect.x;
              lastLayoutRect.y = curRect.y;
              lastLayoutRect.w = curRect.w;
              lastLayoutRect.h = curRect.h;
            }
  
            return self;
          }
  
          return curRect;
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this, style, bodyStyle, bodyElm, rect, borderBox;
          var borderW, borderH, lastRepaintRect, round, value;
  
          // Use Math.round on all values on IE < 9
          round = !document.createRange ? Math.round : function (value) {
            return value;
          };
  
          style = self.getEl().style;
          rect = self._layoutRect;
          lastRepaintRect = self._lastRepaintRect || {};
  
          borderBox = self.borderBox;
          borderW = borderBox.left + borderBox.right;
          borderH = borderBox.top + borderBox.bottom;
  
          if (rect.x !== lastRepaintRect.x) {
            style.left = round(rect.x) + 'px';
            lastRepaintRect.x = rect.x;
          }
  
          if (rect.y !== lastRepaintRect.y) {
            style.top = round(rect.y) + 'px';
            lastRepaintRect.y = rect.y;
          }
  
          if (rect.w !== lastRepaintRect.w) {
            value = round(rect.w - borderW);
            style.width = (value >= 0 ? value : 0) + 'px';
            lastRepaintRect.w = rect.w;
          }
  
          if (rect.h !== lastRepaintRect.h) {
            value = round(rect.h - borderH);
            style.height = (value >= 0 ? value : 0) + 'px';
            lastRepaintRect.h = rect.h;
          }
  
          // Update body if needed
          if (self._hasBody && rect.innerW !== lastRepaintRect.innerW) {
            value = round(rect.innerW);
  
            bodyElm = self.getEl('body');
            if (bodyElm) {
              bodyStyle = bodyElm.style;
              bodyStyle.width = (value >= 0 ? value : 0) + 'px';
            }
  
            lastRepaintRect.innerW = rect.innerW;
          }
  
          if (self._hasBody && rect.innerH !== lastRepaintRect.innerH) {
            value = round(rect.innerH);
  
            bodyElm = bodyElm || self.getEl('body');
            if (bodyElm) {
              bodyStyle = bodyStyle || bodyElm.style;
              bodyStyle.height = (value >= 0 ? value : 0) + 'px';
            }
  
            lastRepaintRect.innerH = rect.innerH;
          }
  
          self._lastRepaintRect = lastRepaintRect;
          self.fire('repaint', {}, false);
        },
  
        /**
         * Updates the controls layout rect by re-measuing it.
         */
        updateLayoutRect: function () {
          var self = this;
  
          self.parent()._lastRect = null;
  
          DomUtils.css(self.getEl(), { width: '', height: '' });
  
          self._layoutRect = self._lastRepaintRect = self._lastLayoutRect = null;
          self.initLayoutRect();
        },
  
        /**
         * Binds a callback to the specified event. This event can both be
         * native browser events like "click" or custom ones like PostRender.
         *
         * The callback function will be passed a DOM event like object that enables yout do stop propagation.
         *
         * @method on
         * @param {String} name Name of the event to bind. For example "click".
         * @param {String/function} callback Callback function to execute ones the event occurs.
         * @return {tinymce.ui.Control} Current control object.
         */
        on: function (name, callback) {
          var self = this;
  
          function resolveCallbackName(name) {
            var callback, scope;
  
            if (typeof name != 'string') {
              return name;
            }
  
            return function (e) {
              if (!callback) {
                self.parentsAndSelf().each(function (ctrl) {
                  var callbacks = ctrl.settings.callbacks;
  
                  if (callbacks && (callback = callbacks[name])) {
                    scope = ctrl;
                    return false;
                  }
                });
              }
  
              if (!callback) {
                e.action = name;
                this.fire('execute', e);
                return;
              }
  
              return callback.call(scope, e);
            };
          }
  
          getEventDispatcher(self).on(name, resolveCallbackName(callback));
  
          return self;
        },
  
        /**
         * Unbinds the specified event and optionally a specific callback. If you omit the name
         * parameter all event handlers will be removed. If you omit the callback all event handles
         * by the specified name will be removed.
         *
         * @method off
         * @param {String} [name] Name for the event to unbind.
         * @param {function} [callback] Callback function to unbind.
         * @return {tinymce.ui.Control} Current control object.
         */
        off: function (name, callback) {
          getEventDispatcher(this).off(name, callback);
          return this;
        },
  
        /**
         * Fires the specified event by name and arguments on the control. This will execute all
         * bound event handlers.
         *
         * @method fire
         * @param {String} name Name of the event to fire.
         * @param {Object} [args] Arguments to pass to the event.
         * @param {Boolean} [bubble] Value to control bubbling. Defaults to true.
         * @return {Object} Current arguments object.
         */
        fire: function (name, args, bubble) {
          var self = this;
  
          args = args || {};
  
          if (!args.control) {
            args.control = self;
          }
  
          args = getEventDispatcher(self).fire(name, args);
  
          // Bubble event up to parents
          if (bubble !== false && self.parent) {
            var parent = self.parent();
            while (parent && !args.isPropagationStopped()) {
              parent.fire(name, args, false);
              parent = parent.parent();
            }
          }
  
          return args;
        },
  
        /**
         * Returns true/false if the specified event has any listeners.
         *
         * @method hasEventListeners
         * @param {String} name Name of the event to check for.
         * @return {Boolean} True/false state if the event has listeners.
         */
        hasEventListeners: function (name) {
          return getEventDispatcher(this).has(name);
        },
  
        /**
         * Returns a control collection with all parent controls.
         *
         * @method parents
         * @param {String} selector Optional selector expression to find parents.
         * @return {tinymce.ui.Collection} Collection with all parent controls.
         */
        parents: function (selector) {
          var self = this, ctrl, parents = new Collection();
  
          // Add each parent to collection
          for (ctrl = self.parent(); ctrl; ctrl = ctrl.parent()) {
            parents.add(ctrl);
          }
  
          // Filter away everything that doesn't match the selector
          if (selector) {
            parents = parents.filter(selector);
          }
  
          return parents;
        },
  
        /**
         * Returns the current control and it's parents.
         *
         * @method parentsAndSelf
         * @param {String} selector Optional selector expression to find parents.
         * @return {tinymce.ui.Collection} Collection with all parent controls.
         */
        parentsAndSelf: function (selector) {
          return new Collection(this).add(this.parents(selector));
        },
  
        /**
         * Returns the control next to the current control.
         *
         * @method next
         * @return {tinymce.ui.Control} Next control instance.
         */
        next: function () {
          var parentControls = this.parent().items();
  
          return parentControls[parentControls.indexOf(this) + 1];
        },
  
        /**
         * Returns the control previous to the current control.
         *
         * @method prev
         * @return {tinymce.ui.Control} Previous control instance.
         */
        prev: function () {
          var parentControls = this.parent().items();
  
          return parentControls[parentControls.indexOf(this) - 1];
        },
  
        /**
         * Sets the inner HTML of the control element.
         *
         * @method innerHtml
         * @param {String} html Html string to set as inner html.
         * @return {tinymce.ui.Control} Current control object.
         */
        innerHtml: function (html) {
          this.$el.html(html);
          return this;
        },
  
        /**
         * Returns the control DOM element or sub element.
         *
         * @method getEl
         * @param {String} [suffix] Suffix to get element by.
         * @return {Element} HTML DOM element for the current control or it's children.
         */
        getEl: function (suffix) {
          var id = suffix ? this._id + '-' + suffix : this._id;
  
          if (!this._elmCache[id]) {
            this._elmCache[id] = DomQuery('#' + id)[0];
          }
  
          return this._elmCache[id];
        },
  
        /**
         * Sets the visible state to true.
         *
         * @method show
         * @return {tinymce.ui.Control} Current control instance.
         */
        show: function () {
          return this.visible(true);
        },
  
        /**
         * Sets the visible state to false.
         *
         * @method hide
         * @return {tinymce.ui.Control} Current control instance.
         */
        hide: function () {
          return this.visible(false);
        },
  
        /**
         * Focuses the current control.
         *
         * @method focus
         * @return {tinymce.ui.Control} Current control instance.
         */
        focus: function () {
          try {
            this.getEl().focus();
          } catch (ex) {
            // Ignore IE error
          }
  
          return this;
        },
  
        /**
         * Blurs the current control.
         *
         * @method blur
         * @return {tinymce.ui.Control} Current control instance.
         */
        blur: function () {
          this.getEl().blur();
  
          return this;
        },
  
        /**
         * Sets the specified aria property.
         *
         * @method aria
         * @param {String} name Name of the aria property to set.
         * @param {String} value Value of the aria property.
         * @return {tinymce.ui.Control} Current control instance.
         */
        aria: function (name, value) {
          var self = this, elm = self.getEl(self.ariaTarget);
  
          if (typeof value === "undefined") {
            return self._aria[name];
          }
  
          self._aria[name] = value;
  
          if (self.state.get('rendered')) {
            elm.setAttribute(name == 'role' ? name : 'aria-' + name, value);
          }
  
          return self;
        },
  
        /**
         * Encodes the specified string with HTML entities. It will also
         * translate the string to different languages.
         *
         * @method encode
         * @param {String/Object/Array} text Text to entity encode.
         * @param {Boolean} [translate=true] False if the contents shouldn't be translated.
         * @return {String} Encoded and possible traslated string.
         */
        encode: function (text, translate) {
          if (translate !== false) {
            text = this.translate(text);
          }
  
          return (text || '').replace(/[&<>"]/g, function (match) {
            return '&#' + match.charCodeAt(0) + ';';
          });
        },
  
        /**
         * Returns the translated string.
         *
         * @method translate
         * @param {String} text Text to translate.
         * @return {String} Translated string or the same as the input.
         */
        translate: function (text) {
          return Control.translate ? Control.translate(text) : text;
        },
  
        /**
         * Adds items before the current control.
         *
         * @method before
         * @param {Array/tinymce.ui.Collection} items Array of items to prepend before this control.
         * @return {tinymce.ui.Control} Current control instance.
         */
        before: function (items) {
          var self = this, parent = self.parent();
  
          if (parent) {
            parent.insert(items, parent.items().indexOf(self), true);
          }
  
          return self;
        },
  
        /**
         * Adds items after the current control.
         *
         * @method after
         * @param {Array/tinymce.ui.Collection} items Array of items to append after this control.
         * @return {tinymce.ui.Control} Current control instance.
         */
        after: function (items) {
          var self = this, parent = self.parent();
  
          if (parent) {
            parent.insert(items, parent.items().indexOf(self));
          }
  
          return self;
        },
  
        /**
         * Removes the current control from DOM and from UI collections.
         *
         * @method remove
         * @return {tinymce.ui.Control} Current control instance.
         */
        remove: function () {
          var self = this, elm = self.getEl(), parent = self.parent(), newItems, i;
  
          if (self.items) {
            var controls = self.items().toArray();
            i = controls.length;
            while (i--) {
              controls[i].remove();
            }
          }
  
          if (parent && parent.items) {
            newItems = [];
  
            parent.items().each(function (item) {
              if (item !== self) {
                newItems.push(item);
              }
            });
  
            parent.items().set(newItems);
            parent._lastRect = null;
          }
  
          if (self._eventsRoot && self._eventsRoot == self) {
            DomQuery(elm).off();
          }
  
          var lookup = self.getRoot().controlIdLookup;
          if (lookup) {
            delete lookup[self._id];
          }
  
          if (elm && elm.parentNode) {
            elm.parentNode.removeChild(elm);
          }
  
          self.state.set('rendered', false);
          self.state.destroy();
  
          self.fire('remove');
  
          return self;
        },
  
        /**
         * Renders the control before the specified element.
         *
         * @method renderBefore
         * @param {Element} elm Element to render before.
         * @return {tinymce.ui.Control} Current control instance.
         */
        renderBefore: function (elm) {
          DomQuery(elm).before(this.renderHtml());
          this.postRender();
          return this;
        },
  
        /**
         * Renders the control to the specified element.
         *
         * @method renderBefore
         * @param {Element} elm Element to render to.
         * @return {tinymce.ui.Control} Current control instance.
         */
        renderTo: function (elm) {
          DomQuery(elm || this.getContainerElm()).append(this.renderHtml());
          this.postRender();
          return this;
        },
  
        preRender: function () {
        },
  
        render: function () {
        },
  
        renderHtml: function () {
          return '<div id="' + this._id + '" class="' + this.classes + '"></div>';
        },
  
        /**
         * Post render method. Called after the control has been rendered to the target.
         *
         * @method postRender
         * @return {tinymce.ui.Control} Current control instance.
         */
        postRender: function () {
          var self = this, settings = self.settings, elm, box, parent, name, parentEventsRoot;
  
          self.$el = DomQuery(self.getEl());
          self.state.set('rendered', true);
  
          // Bind on<event> settings
          for (name in settings) {
            if (name.indexOf("on") === 0) {
              self.on(name.substr(2), settings[name]);
            }
          }
  
          if (self._eventsRoot) {
            for (parent = self.parent(); !parentEventsRoot && parent; parent = parent.parent()) {
              parentEventsRoot = parent._eventsRoot;
            }
  
            if (parentEventsRoot) {
              for (name in parentEventsRoot._nativeEvents) {
                self._nativeEvents[name] = true;
              }
            }
          }
  
          bindPendingEvents(self);
  
          if (settings.style) {
            elm = self.getEl();
            if (elm) {
              elm.setAttribute('style', settings.style);
              elm.style.cssText = settings.style;
            }
          }
  
          if (self.settings.border) {
            box = self.borderBox;
            self.$el.css({
              'border-top-width': box.top,
              'border-right-width': box.right,
              'border-bottom-width': box.bottom,
              'border-left-width': box.left
            });
          }
  
          // Add instance to lookup
          var root = self.getRoot();
          if (!root.controlIdLookup) {
            root.controlIdLookup = {};
          }
  
          root.controlIdLookup[self._id] = self;
  
          for (var key in self._aria) {
            self.aria(key, self._aria[key]);
          }
  
          if (self.state.get('visible') === false) {
            self.getEl().style.display = 'none';
          }
  
          self.bindStates();
  
          self.state.on('change:visible', function (e) {
            var state = e.value, parentCtrl;
  
            if (self.state.get('rendered')) {
              self.getEl().style.display = state === false ? 'none' : '';
  
              // Need to force a reflow here on IE 8
              self.getEl().getBoundingClientRect();
            }
  
            // Parent container needs to reflow
            parentCtrl = self.parent();
            if (parentCtrl) {
              parentCtrl._lastRect = null;
            }
  
            self.fire(state ? 'show' : 'hide');
  
            ReflowQueue.add(self);
          });
  
          self.fire('postrender', {}, false);
        },
  
        bindStates: function () {
        },
  
        /**
         * Scrolls the current control into view.
         *
         * @method scrollIntoView
         * @param {String} align Alignment in view top|center|bottom.
         * @return {tinymce.ui.Control} Current control instance.
         */
        scrollIntoView: function (align) {
          function getOffset(elm, rootElm) {
            var x, y, parent = elm;
  
            x = y = 0;
            while (parent && parent != rootElm && parent.nodeType) {
              x += parent.offsetLeft || 0;
              y += parent.offsetTop || 0;
              parent = parent.offsetParent;
            }
  
            return { x: x, y: y };
          }
  
          var elm = this.getEl(), parentElm = elm.parentNode;
          var x, y, width, height, parentWidth, parentHeight;
          var pos = getOffset(elm, parentElm);
  
          x = pos.x;
          y = pos.y;
          width = elm.offsetWidth;
          height = elm.offsetHeight;
          parentWidth = parentElm.clientWidth;
          parentHeight = parentElm.clientHeight;
  
          if (align == "end") {
            x -= parentWidth - width;
            y -= parentHeight - height;
          } else if (align == "center") {
            x -= (parentWidth / 2) - (width / 2);
            y -= (parentHeight / 2) - (height / 2);
          }
  
          parentElm.scrollLeft = x;
          parentElm.scrollTop = y;
  
          return this;
        },
  
        getRoot: function () {
          var ctrl = this, rootControl, parents = [];
  
          while (ctrl) {
            if (ctrl.rootControl) {
              rootControl = ctrl.rootControl;
              break;
            }
  
            parents.push(ctrl);
            rootControl = ctrl;
            ctrl = ctrl.parent();
          }
  
          if (!rootControl) {
            rootControl = this;
          }
  
          var i = parents.length;
          while (i--) {
            parents[i].rootControl = rootControl;
          }
  
          return rootControl;
        },
  
        /**
         * Reflows the current control and it's parents.
         * This should be used after you for example append children to the current control so
         * that the layout managers know that they need to reposition everything.
         *
         * @example
         * container.append({type: 'button', text: 'My button'}).reflow();
         *
         * @method reflow
         * @return {tinymce.ui.Control} Current control instance.
         */
        reflow: function () {
          ReflowQueue.remove(this);
  
          var parent = this.parent();
          if (parent && parent._layout && !parent._layout.isNative()) {
            parent.reflow();
          }
  
          return this;
        }
  
        /**
         * Sets/gets the parent container for the control.
         *
         * @method parent
         * @param {tinymce.ui.Container} parent Optional parent to set.
         * @return {tinymce.ui.Control} Parent control or the current control on a set action.
         */
        // parent: function(parent) {} -- Generated
  
        /**
         * Sets/gets the text for the control.
         *
         * @method text
         * @param {String} value Value to set to control.
         * @return {String/tinymce.ui.Control} Current control on a set operation or current value on a get.
         */
        // text: function(value) {} -- Generated
  
        /**
         * Sets/gets the disabled state on the control.
         *
         * @method disabled
         * @param {Boolean} state Value to set to control.
         * @return {Boolean/tinymce.ui.Control} Current control on a set operation or current state on a get.
         */
        // disabled: function(state) {} -- Generated
  
        /**
         * Sets/gets the active for the control.
         *
         * @method active
         * @param {Boolean} state Value to set to control.
         * @return {Boolean/tinymce.ui.Control} Current control on a set operation or current state on a get.
         */
        // active: function(state) {} -- Generated
  
        /**
         * Sets/gets the name for the control.
         *
         * @method name
         * @param {String} value Value to set to control.
         * @return {String/tinymce.ui.Control} Current control on a set operation or current value on a get.
         */
        // name: function(value) {} -- Generated
  
        /**
         * Sets/gets the title for the control.
         *
         * @method title
         * @param {String} value Value to set to control.
         * @return {String/tinymce.ui.Control} Current control on a set operation or current value on a get.
         */
        // title: function(value) {} -- Generated
  
        /**
         * Sets/gets the visible for the control.
         *
         * @method visible
         * @param {Boolean} state Value to set to control.
         * @return {Boolean/tinymce.ui.Control} Current control on a set operation or current state on a get.
         */
        // visible: function(value) {} -- Generated
      };
  
      /**
       * Setup state properties.
       */
      Tools.each('text title visible disabled active value'.split(' '), function (name) {
        proto[name] = function (value) {
          if (arguments.length === 0) {
            return this.state.get(name);
          }
  
          if (typeof value != "undefined") {
            this.state.set(name, value);
          }
  
          return this;
        };
      });
  
      Control = Class.extend(proto);
  
      function getEventDispatcher(obj) {
        if (!obj._eventDispatcher) {
          obj._eventDispatcher = new EventDispatcher({
            scope: obj,
            toggleEvent: function (name, state) {
              if (state && EventDispatcher.isNative(name)) {
                if (!obj._nativeEvents) {
                  obj._nativeEvents = {};
                }
  
                obj._nativeEvents[name] = true;
  
                if (obj.state.get('rendered')) {
                  bindPendingEvents(obj);
                }
              }
            }
          });
        }
  
        return obj._eventDispatcher;
      }
  
      function bindPendingEvents(eventCtrl) {
        var i, l, parents, eventRootCtrl, nativeEvents, name;
  
        function delegate(e) {
          var control = eventCtrl.getParentCtrl(e.target);
  
          if (control) {
            control.fire(e.type, e);
          }
        }
  
        function mouseLeaveHandler() {
          var ctrl = eventRootCtrl._lastHoverCtrl;
  
          if (ctrl) {
            ctrl.fire("mouseleave", { target: ctrl.getEl() });
  
            ctrl.parents().each(function (ctrl) {
              ctrl.fire("mouseleave", { target: ctrl.getEl() });
            });
  
            eventRootCtrl._lastHoverCtrl = null;
          }
        }
  
        function mouseEnterHandler(e) {
          var ctrl = eventCtrl.getParentCtrl(e.target), lastCtrl = eventRootCtrl._lastHoverCtrl, idx = 0, i, parents, lastParents;
  
          // Over on a new control
          if (ctrl !== lastCtrl) {
            eventRootCtrl._lastHoverCtrl = ctrl;
  
            parents = ctrl.parents().toArray().reverse();
            parents.push(ctrl);
  
            if (lastCtrl) {
              lastParents = lastCtrl.parents().toArray().reverse();
              lastParents.push(lastCtrl);
  
              for (idx = 0; idx < lastParents.length; idx++) {
                if (parents[idx] !== lastParents[idx]) {
                  break;
                }
              }
  
              for (i = lastParents.length - 1; i >= idx; i--) {
                lastCtrl = lastParents[i];
                lastCtrl.fire("mouseleave", {
                  target: lastCtrl.getEl()
                });
              }
            }
  
            for (i = idx; i < parents.length; i++) {
              ctrl = parents[i];
              ctrl.fire("mouseenter", {
                target: ctrl.getEl()
              });
            }
          }
        }
  
        function fixWheelEvent(e) {
          e.preventDefault();
  
          if (e.type == "mousewheel") {
            e.deltaY = -1 / 40 * e.wheelDelta;
  
            if (e.wheelDeltaX) {
              e.deltaX = -1 / 40 * e.wheelDeltaX;
            }
          } else {
            e.deltaX = 0;
            e.deltaY = e.detail;
          }
  
          e = eventCtrl.fire("wheel", e);
        }
  
        nativeEvents = eventCtrl._nativeEvents;
        if (nativeEvents) {
          // Find event root element if it exists
          parents = eventCtrl.parents().toArray();
          parents.unshift(eventCtrl);
          for (i = 0, l = parents.length; !eventRootCtrl && i < l; i++) {
            eventRootCtrl = parents[i]._eventsRoot;
          }
  
          // Event root wasn't found the use the root control
          if (!eventRootCtrl) {
            eventRootCtrl = parents[parents.length - 1] || eventCtrl;
          }
  
          // Set the eventsRoot property on children that didn't have it
          eventCtrl._eventsRoot = eventRootCtrl;
          for (l = i, i = 0; i < l; i++) {
            parents[i]._eventsRoot = eventRootCtrl;
          }
  
          var eventRootDelegates = eventRootCtrl._delegates;
          if (!eventRootDelegates) {
            eventRootDelegates = eventRootCtrl._delegates = {};
          }
  
          // Bind native event delegates
          for (name in nativeEvents) {
            if (!nativeEvents) {
              return false;
            }
  
            if (name === "wheel" && !hasWheelEventSupport) {
              if (hasMouseWheelEventSupport) {
                DomQuery(eventCtrl.getEl()).on("mousewheel", fixWheelEvent);
              } else {
                DomQuery(eventCtrl.getEl()).on("DOMMouseScroll", fixWheelEvent);
              }
  
              continue;
            }
  
            // Special treatment for mousenter/mouseleave since these doesn't bubble
            if (name === "mouseenter" || name === "mouseleave") {
              // Fake mousenter/mouseleave
              if (!eventRootCtrl._hasMouseEnter) {
                DomQuery(eventRootCtrl.getEl()).on("mouseleave", mouseLeaveHandler).on("mouseover", mouseEnterHandler);
                eventRootCtrl._hasMouseEnter = 1;
              }
            } else if (!eventRootDelegates[name]) {
              DomQuery(eventRootCtrl.getEl()).on(name, delegate);
              eventRootDelegates[name] = true;
            }
  
            // Remove the event once it's bound
            nativeEvents[name] = false;
          }
        }
      }
  
      return Control;
    }
  );
  
  /**
   * KeyboardNavigation.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class handles keyboard navigation of controls and elements.
   *
   * @class tinymce.ui.KeyboardNavigation
   */
  define(
    'tinymce.ui.KeyboardNavigation',
    [
      'global!document'
    ],
    function (document) {
      "use strict";
  
      var hasTabstopData = function (elm) {
        return elm.getAttribute('data-mce-tabstop') ? true : false;
      };
  
      /**
       * This class handles all keyboard navigation for WAI-ARIA support. Each root container
       * gets an instance of this class.
       *
       * @constructor
       */
      return function (settings) {
        var root = settings.root, focusedElement, focusedControl;
  
        function isElement(node) {
          return node && node.nodeType === 1;
        }
  
        try {
          focusedElement = document.activeElement;
        } catch (ex) {
          // IE sometimes fails to return a proper element
          focusedElement = document.body;
        }
  
        focusedControl = root.getParentCtrl(focusedElement);
  
        /**
         * Returns the currently focused elements wai aria role of the currently
         * focused element or specified element.
         *
         * @private
         * @param {Element} elm Optional element to get role from.
         * @return {String} Role of specified element.
         */
        function getRole(elm) {
          elm = elm || focusedElement;
  
          if (isElement(elm)) {
            return elm.getAttribute('role');
          }
  
          return null;
        }
  
        /**
         * Returns the wai role of the parent element of the currently
         * focused element or specified element.
         *
         * @private
         * @param {Element} elm Optional element to get parent role from.
         * @return {String} Role of the first parent that has a role.
         */
        function getParentRole(elm) {
          var role, parent = elm || focusedElement;
  
          while ((parent = parent.parentNode)) {
            if ((role = getRole(parent))) {
              return role;
            }
          }
        }
  
        /**
         * Returns a wai aria property by name for example aria-selected.
         *
         * @private
         * @param {String} name Name of the aria property to get for example "disabled".
         * @return {String} Aria property value.
         */
        function getAriaProp(name) {
          var elm = focusedElement;
  
          if (isElement(elm)) {
            return elm.getAttribute('aria-' + name);
          }
        }
  
        /**
         * Is the element a text input element or not.
         *
         * @private
         * @param {Element} elm Element to check if it's an text input element or not.
         * @return {Boolean} True/false if the element is a text element or not.
         */
        function isTextInputElement(elm) {
          var tagName = elm.tagName.toUpperCase();
  
          // Notice: since type can be "email" etc we don't check the type
          // So all input elements gets treated as text input elements
          return tagName == "INPUT" || tagName == "TEXTAREA" || tagName == "SELECT";
        }
  
        /**
         * Returns true/false if the specified element can be focused or not.
         *
         * @private
         * @param {Element} elm DOM element to check if it can be focused or not.
         * @return {Boolean} True/false if the element can have focus.
         */
        function canFocus(elm) {
          if (isTextInputElement(elm) && !elm.hidden) {
            return true;
          }
  
          if (hasTabstopData(elm)) {
            return true;
          }
  
          if (/^(button|menuitem|checkbox|tab|menuitemcheckbox|option|gridcell|slider)$/.test(getRole(elm))) {
            return true;
          }
  
          return false;
        }
  
        /**
         * Returns an array of focusable visible elements within the specified container element.
         *
         * @private
         * @param {Element} elm DOM element to find focusable elements within.
         * @return {Array} Array of focusable elements.
         */
        function getFocusElements(elm) {
          var elements = [];
  
          function collect(elm) {
            if (elm.nodeType != 1 || elm.style.display == 'none' || elm.disabled) {
              return;
            }
  
            if (canFocus(elm)) {
              elements.push(elm);
            }
  
            for (var i = 0; i < elm.childNodes.length; i++) {
              collect(elm.childNodes[i]);
            }
          }
  
          collect(elm || root.getEl());
  
          return elements;
        }
  
        /**
         * Returns the navigation root control for the specified control. The navigation root
         * is the control that the keyboard navigation gets scoped to for example a menubar or toolbar group.
         * It will look for parents of the specified target control or the currently focused control if this option is omitted.
         *
         * @private
         * @param {tinymce.ui.Control} targetControl Optional target control to find root of.
         * @return {tinymce.ui.Control} Navigation root control.
         */
        function getNavigationRoot(targetControl) {
          var navigationRoot, controls;
  
          targetControl = targetControl || focusedControl;
          controls = targetControl.parents().toArray();
          controls.unshift(targetControl);
  
          for (var i = 0; i < controls.length; i++) {
            navigationRoot = controls[i];
  
            if (navigationRoot.settings.ariaRoot) {
              break;
            }
          }
  
          return navigationRoot;
        }
  
        /**
         * Focuses the first item in the specified targetControl element or the last aria index if the
         * navigation root has the ariaRemember option enabled.
         *
         * @private
         * @param {tinymce.ui.Control} targetControl Target control to focus the first item in.
         */
        function focusFirst(targetControl) {
          var navigationRoot = getNavigationRoot(targetControl);
          var focusElements = getFocusElements(navigationRoot.getEl());
  
          if (navigationRoot.settings.ariaRemember && "lastAriaIndex" in navigationRoot) {
            moveFocusToIndex(navigationRoot.lastAriaIndex, focusElements);
          } else {
            moveFocusToIndex(0, focusElements);
          }
        }
  
        /**
         * Moves the focus to the specified index within the elements list.
         * This will scope the index to the size of the element list if it changed.
         *
         * @private
         * @param {Number} idx Specified index to move to.
         * @param {Array} elements Array with dom elements to move focus within.
         * @return {Number} Input index or a changed index if it was out of range.
         */
        function moveFocusToIndex(idx, elements) {
          if (idx < 0) {
            idx = elements.length - 1;
          } else if (idx >= elements.length) {
            idx = 0;
          }
  
          if (elements[idx]) {
            elements[idx].focus();
          }
  
          return idx;
        }
  
        /**
         * Moves the focus forwards or backwards.
         *
         * @private
         * @param {Number} dir Direction to move in positive means forward, negative means backwards.
         * @param {Array} elements Optional array of elements to move within defaults to the current navigation roots elements.
         */
        function moveFocus(dir, elements) {
          var idx = -1, navigationRoot = getNavigationRoot();
  
          elements = elements || getFocusElements(navigationRoot.getEl());
  
          for (var i = 0; i < elements.length; i++) {
            if (elements[i] === focusedElement) {
              idx = i;
            }
          }
  
          idx += dir;
          navigationRoot.lastAriaIndex = moveFocusToIndex(idx, elements);
        }
  
        /**
         * Moves the focus to the left this is called by the left key.
         *
         * @private
         */
        function left() {
          var parentRole = getParentRole();
  
          if (parentRole == "tablist") {
            moveFocus(-1, getFocusElements(focusedElement.parentNode));
          } else if (focusedControl.parent().submenu) {
            cancel();
          } else {
            moveFocus(-1);
          }
        }
  
        /**
         * Moves the focus to the right this is called by the right key.
         *
         * @private
         */
        function right() {
          var role = getRole(), parentRole = getParentRole();
  
          if (parentRole == "tablist") {
            moveFocus(1, getFocusElements(focusedElement.parentNode));
          } else if (role == "menuitem" && parentRole == "menu" && getAriaProp('haspopup')) {
            enter();
          } else {
            moveFocus(1);
          }
        }
  
        /**
         * Moves the focus to the up this is called by the up key.
         *
         * @private
         */
        function up() {
          moveFocus(-1);
        }
  
        /**
         * Moves the focus to the up this is called by the down key.
         *
         * @private
         */
        function down() {
          var role = getRole(), parentRole = getParentRole();
  
          if (role == "menuitem" && parentRole == "menubar") {
            enter();
          } else if (role == "button" && getAriaProp('haspopup')) {
            enter({ key: 'down' });
          } else {
            moveFocus(1);
          }
        }
  
        /**
         * Moves the focus to the next item or previous item depending on shift key.
         *
         * @private
         * @param {DOMEvent} e DOM event object.
         */
        function tab(e) {
          var parentRole = getParentRole();
  
          if (parentRole == "tablist") {
            var elm = getFocusElements(focusedControl.getEl('body'))[0];
  
            if (elm) {
              elm.focus();
            }
          } else {
            moveFocus(e.shiftKey ? -1 : 1);
          }
        }
  
        /**
         * Calls the cancel event on the currently focused control. This is normally done using the Esc key.
         *
         * @private
         */
        function cancel() {
          focusedControl.fire('cancel');
        }
  
        /**
         * Calls the click event on the currently focused control. This is normally done using the Enter/Space keys.
         *
         * @private
         * @param {Object} aria Optional aria data to pass along with the enter event.
         */
        function enter(aria) {
          aria = aria || {};
          focusedControl.fire('click', { target: focusedElement, aria: aria });
        }
  
        root.on('keydown', function (e) {
          function handleNonTabOrEscEvent(e, handler) {
            // Ignore non tab keys for text elements
            if (isTextInputElement(focusedElement) || hasTabstopData(focusedElement)) {
              return;
            }
  
            if (getRole(focusedElement) === 'slider') {
              return;
            }
  
            if (handler(e) !== false) {
              e.preventDefault();
            }
          }
  
          if (e.isDefaultPrevented()) {
            return;
          }
  
          switch (e.keyCode) {
            case 37: // DOM_VK_LEFT
              handleNonTabOrEscEvent(e, left);
              break;
  
            case 39: // DOM_VK_RIGHT
              handleNonTabOrEscEvent(e, right);
              break;
  
            case 38: // DOM_VK_UP
              handleNonTabOrEscEvent(e, up);
              break;
  
            case 40: // DOM_VK_DOWN
              handleNonTabOrEscEvent(e, down);
              break;
  
            case 27: // DOM_VK_ESCAPE
              cancel();
              break;
  
            case 14: // DOM_VK_ENTER
            case 13: // DOM_VK_RETURN
            case 32: // DOM_VK_SPACE
              handleNonTabOrEscEvent(e, enter);
              break;
  
            case 9: // DOM_VK_TAB
              if (tab(e) !== false) {
                e.preventDefault();
              }
              break;
          }
        });
  
        root.on('focusin', function (e) {
          focusedElement = e.target;
          focusedControl = e.control;
        });
  
        return {
          focusFirst: focusFirst
        };
      };
    }
  );
  /**
   * Container.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Container control. This is extended by all controls that can have
   * children such as panels etc. You can also use this class directly as an
   * generic container instance. The container doesn't have any specific role or style.
   *
   * @-x-less Container.less
   * @class tinymce.ui.Container
   * @extends tinymce.ui.Control
   */
  define(
    'tinymce.ui.Container',
    [
      "tinymce.ui.Control",
      "tinymce.ui.Collection",
      "tinymce.ui.Selector",
      "tinymce.core.ui.Factory",
      "tinymce.ui.KeyboardNavigation",
      "tinymce.core.util.Tools",
      "tinymce.core.dom.DomQuery",
      "tinymce.ui.ClassList",
      "tinymce.ui.ReflowQueue"
    ],
    function (Control, Collection, Selector, Factory, KeyboardNavigation, Tools, $, ClassList, ReflowQueue) {
      "use strict";
  
      var selectorCache = {};
  
      return Control.extend({
        /**
         * Constructs a new control instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Array} items Items to add to container in JSON format or control instances.
         * @setting {String} layout Layout manager by name to use.
         * @setting {Object} defaults Default settings to apply to all items.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          settings = self.settings;
  
          if (settings.fixed) {
            self.state.set('fixed', true);
          }
  
          self._items = new Collection();
  
          if (self.isRtl()) {
            self.classes.add('rtl');
          }
  
          self.bodyClasses = new ClassList(function () {
            if (self.state.get('rendered')) {
              self.getEl('body').className = this.toString();
            }
          });
          self.bodyClasses.prefix = self.classPrefix;
  
          self.classes.add('container');
          self.bodyClasses.add('container-body');
  
          if (settings.containerCls) {
            self.classes.add(settings.containerCls);
          }
  
          self._layout = Factory.create((settings.layout || '') + 'layout');
  
          if (self.settings.items) {
            self.add(self.settings.items);
          } else {
            self.add(self.render());
          }
  
          // TODO: Fix this!
          self._hasBody = true;
        },
  
        /**
         * Returns a collection of child items that the container currently have.
         *
         * @method items
         * @return {tinymce.ui.Collection} Control collection direct child controls.
         */
        items: function () {
          return this._items;
        },
  
        /**
         * Find child controls by selector.
         *
         * @method find
         * @param {String} selector Selector CSS pattern to find children by.
         * @return {tinymce.ui.Collection} Control collection with child controls.
         */
        find: function (selector) {
          selector = selectorCache[selector] = selectorCache[selector] || new Selector(selector);
  
          return selector.find(this);
        },
  
        /**
         * Adds one or many items to the current container. This will create instances of
         * the object representations if needed.
         *
         * @method add
         * @param {Array/Object/tinymce.ui.Control} items Array or item that will be added to the container.
         * @return {tinymce.ui.Collection} Current collection control.
         */
        add: function (items) {
          var self = this;
  
          self.items().add(self.create(items)).parent(self);
  
          return self;
        },
  
        /**
         * Focuses the current container instance. This will look
         * for the first control in the container and focus that.
         *
         * @method focus
         * @param {Boolean} keyboard Optional true/false if the focus was a keyboard focus or not.
         * @return {tinymce.ui.Collection} Current instance.
         */
        focus: function (keyboard) {
          var self = this, focusCtrl, keyboardNav, items;
  
          if (keyboard) {
            keyboardNav = self.keyboardNav || self.parents().eq(-1)[0].keyboardNav;
  
            if (keyboardNav) {
              keyboardNav.focusFirst(self);
              return;
            }
          }
  
          items = self.find('*');
  
          // TODO: Figure out a better way to auto focus alert dialog buttons
          if (self.statusbar) {
            items.add(self.statusbar.items());
          }
  
          items.each(function (ctrl) {
            if (ctrl.settings.autofocus) {
              focusCtrl = null;
              return false;
            }
  
            if (ctrl.canFocus) {
              focusCtrl = focusCtrl || ctrl;
            }
          });
  
          if (focusCtrl) {
            focusCtrl.focus();
          }
  
          return self;
        },
  
        /**
         * Replaces the specified child control with a new control.
         *
         * @method replace
         * @param {tinymce.ui.Control} oldItem Old item to be replaced.
         * @param {tinymce.ui.Control} newItem New item to be inserted.
         */
        replace: function (oldItem, newItem) {
          var ctrlElm, items = this.items(), i = items.length;
  
          // Replace the item in collection
          while (i--) {
            if (items[i] === oldItem) {
              items[i] = newItem;
              break;
            }
          }
  
          if (i >= 0) {
            // Remove new item from DOM
            ctrlElm = newItem.getEl();
            if (ctrlElm) {
              ctrlElm.parentNode.removeChild(ctrlElm);
            }
  
            // Remove old item from DOM
            ctrlElm = oldItem.getEl();
            if (ctrlElm) {
              ctrlElm.parentNode.removeChild(ctrlElm);
            }
          }
  
          // Adopt the item
          newItem.parent(this);
        },
  
        /**
         * Creates the specified items. If any of the items is plain JSON style objects
         * it will convert these into real tinymce.ui.Control instances.
         *
         * @method create
         * @param {Array} items Array of items to convert into control instances.
         * @return {Array} Array with control instances.
         */
        create: function (items) {
          var self = this, settings, ctrlItems = [];
  
          // Non array structure, then force it into an array
          if (!Tools.isArray(items)) {
            items = [items];
          }
  
          // Add default type to each child control
          Tools.each(items, function (item) {
            if (item) {
              // Construct item if needed
              if (!(item instanceof Control)) {
                // Name only then convert it to an object
                if (typeof item == "string") {
                  item = { type: item };
                }
  
                // Create control instance based on input settings and default settings
                settings = Tools.extend({}, self.settings.defaults, item);
                item.type = settings.type = settings.type || item.type || self.settings.defaultType ||
                  (settings.defaults ? settings.defaults.type : null);
                item = Factory.create(settings);
              }
  
              ctrlItems.push(item);
            }
          });
  
          return ctrlItems;
        },
  
        /**
         * Renders new control instances.
         *
         * @private
         */
        renderNew: function () {
          var self = this;
  
          // Render any new items
          self.items().each(function (ctrl, index) {
            var containerElm;
  
            ctrl.parent(self);
  
            if (!ctrl.state.get('rendered')) {
              containerElm = self.getEl('body');
  
              // Insert or append the item
              if (containerElm.hasChildNodes() && index <= containerElm.childNodes.length - 1) {
                $(containerElm.childNodes[index]).before(ctrl.renderHtml());
              } else {
                $(containerElm).append(ctrl.renderHtml());
              }
  
              ctrl.postRender();
              ReflowQueue.add(ctrl);
            }
          });
  
          self._layout.applyClasses(self.items().filter(':visible'));
          self._lastRect = null;
  
          return self;
        },
  
        /**
         * Appends new instances to the current container.
         *
         * @method append
         * @param {Array/tinymce.ui.Collection} items Array if controls to append.
         * @return {tinymce.ui.Container} Current container instance.
         */
        append: function (items) {
          return this.add(items).renderNew();
        },
  
        /**
         * Prepends new instances to the current container.
         *
         * @method prepend
         * @param {Array/tinymce.ui.Collection} items Array if controls to prepend.
         * @return {tinymce.ui.Container} Current container instance.
         */
        prepend: function (items) {
          var self = this;
  
          self.items().set(self.create(items).concat(self.items().toArray()));
  
          return self.renderNew();
        },
  
        /**
         * Inserts an control at a specific index.
         *
         * @method insert
         * @param {Array/tinymce.ui.Collection} items Array if controls to insert.
         * @param {Number} index Index to insert controls at.
         * @param {Boolean} [before=false] Inserts controls before the index.
         */
        insert: function (items, index, before) {
          var self = this, curItems, beforeItems, afterItems;
  
          items = self.create(items);
          curItems = self.items();
  
          if (!before && index < curItems.length - 1) {
            index += 1;
          }
  
          if (index >= 0 && index < curItems.length) {
            beforeItems = curItems.slice(0, index).toArray();
            afterItems = curItems.slice(index).toArray();
            curItems.set(beforeItems.concat(items, afterItems));
          }
  
          return self.renderNew();
        },
  
        /**
         * Populates the form fields from the specified JSON data object.
         *
         * Control items in the form that matches the data will have it's value set.
         *
         * @method fromJSON
         * @param {Object} data JSON data object to set control values by.
         * @return {tinymce.ui.Container} Current form instance.
         */
        fromJSON: function (data) {
          var self = this;
  
          for (var name in data) {
            self.find('#' + name).value(data[name]);
          }
  
          return self;
        },
  
        /**
         * Serializes the form into a JSON object by getting all items
         * that has a name and a value.
         *
         * @method toJSON
         * @return {Object} JSON object with form data.
         */
        toJSON: function () {
          var self = this, data = {};
  
          self.find('*').each(function (ctrl) {
            var name = ctrl.name(), value = ctrl.value();
  
            if (name && typeof value != "undefined") {
              data[name] = value;
            }
          });
  
          return data;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout, role = this.settings.role;
  
          self.preRender();
          layout.preRender(self);
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '"' + (role ? ' role="' + this.settings.role + '"' : '') + '>' +
            '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' +
            (self.settings.html || '') + layout.renderHtml(self) +
            '</div>' +
            '</div>'
          );
        },
  
        /**
         * Post render method. Called after the control has been rendered to the target.
         *
         * @method postRender
         * @return {tinymce.ui.Container} Current combobox instance.
         */
        postRender: function () {
          var self = this, box;
  
          self.items().exec('postRender');
          self._super();
  
          self._layout.postRender(self);
          self.state.set('rendered', true);
  
          if (self.settings.style) {
            self.$el.css(self.settings.style);
          }
  
          if (self.settings.border) {
            box = self.borderBox;
            self.$el.css({
              'border-top-width': box.top,
              'border-right-width': box.right,
              'border-bottom-width': box.bottom,
              'border-left-width': box.left
            });
          }
  
          if (!self.parent()) {
            self.keyboardNav = new KeyboardNavigation({
              root: self
            });
          }
  
          return self;
        },
  
        /**
         * Initializes the current controls layout rect.
         * This will be executed by the layout managers to determine the
         * default minWidth/minHeight etc.
         *
         * @method initLayoutRect
         * @return {Object} Layout rect instance.
         */
        initLayoutRect: function () {
          var self = this, layoutRect = self._super();
  
          // Recalc container size by asking layout manager
          self._layout.recalc(self);
  
          return layoutRect;
        },
  
        /**
         * Recalculates the positions of the controls in the current container.
         * This is invoked by the reflow method and shouldn't be called directly.
         *
         * @method recalc
         */
        recalc: function () {
          var self = this, rect = self._layoutRect, lastRect = self._lastRect;
  
          if (!lastRect || lastRect.w != rect.w || lastRect.h != rect.h) {
            self._layout.recalc(self);
            rect = self.layoutRect();
            self._lastRect = { x: rect.x, y: rect.y, w: rect.w, h: rect.h };
            return true;
          }
        },
  
        /**
         * Reflows the current container and it's children and possible parents.
         * This should be used after you for example append children to the current control so
         * that the layout managers know that they need to reposition everything.
         *
         * @example
         * container.append({type: 'button', text: 'My button'}).reflow();
         *
         * @method reflow
         * @return {tinymce.ui.Container} Current container instance.
         */
        reflow: function () {
          var i;
  
          ReflowQueue.remove(this);
  
          if (this.visible()) {
            Control.repaintControls = [];
            Control.repaintControls.map = {};
  
            this.recalc();
            i = Control.repaintControls.length;
  
            while (i--) {
              Control.repaintControls[i].repaint();
            }
  
            // TODO: Fix me!
            if (this.settings.layout !== "flow" && this.settings.layout !== "stack") {
              this.repaint();
            }
  
            Control.repaintControls = [];
          }
  
          return this;
        }
      });
    }
  );
  /**
   * DragHelper.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Drag/drop helper class.
   *
   * @example
   * var dragHelper = new tinymce.ui.DragHelper('mydiv', {
   *     start: function(document, window, evt) {
   *     },
   *
   *     drag: function(evt) {
   *     },
   *
   *     end: function(evt) {
   *     }
   * });
   *
   * @class tinymce.ui.DragHelper
   */
  define(
    'tinymce.ui.DragHelper',
    [
      'global!document',
      'global!window',
      'tinymce.core.dom.DomQuery'
    ],
    function (document, window, DomQuery) {
      "use strict";
  
      function getDocumentSize(doc) {
        var documentElement, body, scrollWidth, clientWidth;
        var offsetWidth, scrollHeight, clientHeight, offsetHeight, max = Math.max;
  
        documentElement = doc.documentElement;
        body = doc.body;
  
        scrollWidth = max(documentElement.scrollWidth, body.scrollWidth);
        clientWidth = max(documentElement.clientWidth, body.clientWidth);
        offsetWidth = max(documentElement.offsetWidth, body.offsetWidth);
  
        scrollHeight = max(documentElement.scrollHeight, body.scrollHeight);
        clientHeight = max(documentElement.clientHeight, body.clientHeight);
        offsetHeight = max(documentElement.offsetHeight, body.offsetHeight);
  
        return {
          width: scrollWidth < offsetWidth ? clientWidth : scrollWidth,
          height: scrollHeight < offsetHeight ? clientHeight : scrollHeight
        };
      }
  
      function updateWithTouchData(e) {
        var keys, i;
  
        if (e.changedTouches) {
          keys = "screenX screenY pageX pageY clientX clientY".split(' ');
          for (i = 0; i < keys.length; i++) {
            e[keys[i]] = e.changedTouches[0][keys[i]];
          }
        }
      }
  
      return function (id, settings) {
        var $eventOverlay, doc = settings.document || document, downButton, start, stop, drag, startX, startY;
  
        settings = settings || {};
  
        function getHandleElm() {
          return doc.getElementById(settings.handle || id);
        }
  
        start = function (e) {
          var docSize = getDocumentSize(doc), handleElm, cursor;
  
          updateWithTouchData(e);
  
          e.preventDefault();
          downButton = e.button;
          handleElm = getHandleElm();
          startX = e.screenX;
          startY = e.screenY;
  
          // Grab cursor from handle so we can place it on overlay
          if (window.getComputedStyle) {
            cursor = window.getComputedStyle(handleElm, null).getPropertyValue("cursor");
          } else {
            cursor = handleElm.runtimeStyle.cursor;
          }
  
          $eventOverlay = DomQuery('<div></div>').css({
            position: "absolute",
            top: 0, left: 0,
            width: docSize.width,
            height: docSize.height,
            zIndex: 0x7FFFFFFF,
            opacity: 0.0001,
            cursor: cursor
          }).appendTo(doc.body);
  
          DomQuery(doc).on('mousemove touchmove', drag).on('mouseup touchend', stop);
  
          settings.start(e);
        };
  
        drag = function (e) {
          updateWithTouchData(e);
  
          if (e.button !== downButton) {
            return stop(e);
          }
  
          e.deltaX = e.screenX - startX;
          e.deltaY = e.screenY - startY;
  
          e.preventDefault();
          settings.drag(e);
        };
  
        stop = function (e) {
          updateWithTouchData(e);
  
          DomQuery(doc).off('mousemove touchmove', drag).off('mouseup touchend', stop);
  
          $eventOverlay.remove();
  
          if (settings.stop) {
            settings.stop(e);
          }
        };
  
        /**
         * Destroys the drag/drop helper instance.
         *
         * @method destroy
         */
        this.destroy = function () {
          DomQuery(getHandleElm()).off();
        };
  
        DomQuery(getHandleElm()).on('mousedown touchstart', start);
      };
    }
  );
  /**
   * Scrollable.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This mixin makes controls scrollable using custom scrollbars.
   *
   * @-x-less Scrollable.less
   * @mixin tinymce.ui.Scrollable
   */
  define(
    'tinymce.ui.Scrollable',
    [
      "tinymce.core.dom.DomQuery",
      "tinymce.ui.DragHelper"
    ],
    function ($, DragHelper) {
      "use strict";
  
      return {
        init: function () {
          var self = this;
          self.on('repaint', self.renderScroll);
        },
  
        renderScroll: function () {
          var self = this, margin = 2;
  
          function repaintScroll() {
            var hasScrollH, hasScrollV, bodyElm;
  
            function repaintAxis(axisName, posName, sizeName, contentSizeName, hasScroll, ax) {
              var containerElm, scrollBarElm, scrollThumbElm;
              var containerSize, scrollSize, ratio, rect;
              var posNameLower, sizeNameLower;
  
              scrollBarElm = self.getEl('scroll' + axisName);
              if (scrollBarElm) {
                posNameLower = posName.toLowerCase();
                sizeNameLower = sizeName.toLowerCase();
  
                $(self.getEl('absend')).css(posNameLower, self.layoutRect()[contentSizeName] - 1);
  
                if (!hasScroll) {
                  $(scrollBarElm).css('display', 'none');
                  return;
                }
  
                $(scrollBarElm).css('display', 'block');
                containerElm = self.getEl('body');
                scrollThumbElm = self.getEl('scroll' + axisName + "t");
                containerSize = containerElm["client" + sizeName] - (margin * 2);
                containerSize -= hasScrollH && hasScrollV ? scrollBarElm["client" + ax] : 0;
                scrollSize = containerElm["scroll" + sizeName];
                ratio = containerSize / scrollSize;
  
                rect = {};
                rect[posNameLower] = containerElm["offset" + posName] + margin;
                rect[sizeNameLower] = containerSize;
                $(scrollBarElm).css(rect);
  
                rect = {};
                rect[posNameLower] = containerElm["scroll" + posName] * ratio;
                rect[sizeNameLower] = containerSize * ratio;
                $(scrollThumbElm).css(rect);
              }
            }
  
            bodyElm = self.getEl('body');
            hasScrollH = bodyElm.scrollWidth > bodyElm.clientWidth;
            hasScrollV = bodyElm.scrollHeight > bodyElm.clientHeight;
  
            repaintAxis("h", "Left", "Width", "contentW", hasScrollH, "Height");
            repaintAxis("v", "Top", "Height", "contentH", hasScrollV, "Width");
          }
  
          function addScroll() {
            function addScrollAxis(axisName, posName, sizeName, deltaPosName, ax) {
              var scrollStart, axisId = self._id + '-scroll' + axisName, prefix = self.classPrefix;
  
              $(self.getEl()).append(
                '<div id="' + axisId + '" class="' + prefix + 'scrollbar ' + prefix + 'scrollbar-' + axisName + '">' +
                '<div id="' + axisId + 't" class="' + prefix + 'scrollbar-thumb"></div>' +
                '</div>'
              );
  
              self.draghelper = new DragHelper(axisId + 't', {
                start: function () {
                  scrollStart = self.getEl('body')["scroll" + posName];
                  $('#' + axisId).addClass(prefix + 'active');
                },
  
                drag: function (e) {
                  var ratio, hasScrollH, hasScrollV, containerSize, layoutRect = self.layoutRect();
  
                  hasScrollH = layoutRect.contentW > layoutRect.innerW;
                  hasScrollV = layoutRect.contentH > layoutRect.innerH;
                  containerSize = self.getEl('body')["client" + sizeName] - (margin * 2);
                  containerSize -= hasScrollH && hasScrollV ? self.getEl('scroll' + axisName)["client" + ax] : 0;
  
                  ratio = containerSize / self.getEl('body')["scroll" + sizeName];
                  self.getEl('body')["scroll" + posName] = scrollStart + (e["delta" + deltaPosName] / ratio);
                },
  
                stop: function () {
                  $('#' + axisId).removeClass(prefix + 'active');
                }
              });
            }
  
            self.classes.add('scroll');
  
            addScrollAxis("v", "Top", "Height", "Y", "Width");
            addScrollAxis("h", "Left", "Width", "X", "Height");
          }
  
          if (self.settings.autoScroll) {
            if (!self._hasScroll) {
              self._hasScroll = true;
              addScroll();
  
              self.on('wheel', function (e) {
                var bodyEl = self.getEl('body');
  
                bodyEl.scrollLeft += (e.deltaX || 0) * 10;
                bodyEl.scrollTop += e.deltaY * 10;
  
                repaintScroll();
              });
  
              $(self.getEl('body')).on("scroll", repaintScroll);
            }
  
            repaintScroll();
          }
        }
      };
    }
  );
  /**
   * Panel.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new panel.
   *
   * @-x-less Panel.less
   * @class tinymce.ui.Panel
   * @extends tinymce.ui.Container
   * @mixes tinymce.ui.Scrollable
   */
  define(
    'tinymce.ui.Panel',
    [
      "tinymce.ui.Container",
      "tinymce.ui.Scrollable"
    ],
    function (Container, Scrollable) {
      "use strict";
  
      return Container.extend({
        Defaults: {
          layout: 'fit',
          containerCls: 'panel'
        },
  
        Mixins: [Scrollable],
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout, innerHtml = self.settings.html;
  
          self.preRender();
          layout.preRender(self);
  
          if (typeof innerHtml == "undefined") {
            innerHtml = (
              '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' +
              layout.renderHtml(self) +
              '</div>'
            );
          } else {
            if (typeof innerHtml == 'function') {
              innerHtml = innerHtml.call(self);
            }
  
            self._hasBody = false;
          }
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1" role="group">' +
            (self._preBodyHtml || '') +
            innerHtml +
            '</div>'
          );
        }
      });
    }
  );
  
  /**
   * Resizable.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Resizable mixin. Enables controls to be resized.
   *
   * @mixin tinymce.ui.Resizable
   */
  define(
    'tinymce.ui.Resizable',
    [
      "tinymce.ui.DomUtils"
    ],
    function (DomUtils) {
      "use strict";
  
      return {
        /**
         * Resizes the control to contents.
         *
         * @method resizeToContent
         */
        resizeToContent: function () {
          this._layoutRect.autoResize = true;
          this._lastRect = null;
          this.reflow();
        },
  
        /**
         * Resizes the control to a specific width/height.
         *
         * @method resizeTo
         * @param {Number} w Control width.
         * @param {Number} h Control height.
         * @return {tinymce.ui.Control} Current control instance.
         */
        resizeTo: function (w, h) {
          // TODO: Fix hack
          if (w <= 1 || h <= 1) {
            var rect = DomUtils.getWindowSize();
  
            w = w <= 1 ? w * rect.w : w;
            h = h <= 1 ? h * rect.h : h;
          }
  
          this._layoutRect.autoResize = false;
          return this.layoutRect({ minW: w, minH: h, w: w, h: h }).reflow();
        },
  
        /**
         * Resizes the control to a specific relative width/height.
         *
         * @method resizeBy
         * @param {Number} dw Relative control width.
         * @param {Number} dh Relative control height.
         * @return {tinymce.ui.Control} Current control instance.
         */
        resizeBy: function (dw, dh) {
          var self = this, rect = self.layoutRect();
  
          return self.resizeTo(rect.w + dw, rect.h + dh);
        }
      };
    }
  );
  /**
   * FloatPanel.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates a floating panel.
   *
   * @-x-less FloatPanel.less
   * @class tinymce.ui.FloatPanel
   * @extends tinymce.ui.Panel
   * @mixes tinymce.ui.Movable
   * @mixes tinymce.ui.Resizable
   */
  define(
    'tinymce.ui.FloatPanel',
    [
      'global!document',
      'global!window',
      'tinymce.core.dom.DomQuery',
      'tinymce.core.util.Delay',
      'tinymce.ui.DomUtils',
      'tinymce.ui.Movable',
      'tinymce.ui.Panel',
      'tinymce.ui.Resizable'
    ],
    function (document, window, DomQuery, Delay, DomUtils, Movable, Panel, Resizable) {
      "use strict";
  
      var documentClickHandler, documentScrollHandler, windowResizeHandler, visiblePanels = [];
      var zOrder = [], hasModal;
  
      function isChildOf(ctrl, parent) {
        while (ctrl) {
          if (ctrl == parent) {
            return true;
          }
  
          ctrl = ctrl.parent();
        }
      }
  
      function skipOrHidePanels(e) {
        // Hide any float panel when a click/focus out is out side that float panel and the
        // float panels direct parent for example a click on a menu button
        var i = visiblePanels.length;
  
        while (i--) {
          var panel = visiblePanels[i], clickCtrl = panel.getParentCtrl(e.target);
  
          if (panel.settings.autohide) {
            if (clickCtrl) {
              if (isChildOf(clickCtrl, panel) || panel.parent() === clickCtrl) {
                continue;
              }
            }
  
            e = panel.fire('autohide', { target: e.target });
            if (!e.isDefaultPrevented()) {
              panel.hide();
            }
          }
        }
      }
  
      function bindDocumentClickHandler() {
  
        if (!documentClickHandler) {
          documentClickHandler = function (e) {
            // Gecko fires click event and in the wrong order on Mac so lets normalize
            if (e.button == 2) {
              return;
            }
  
            skipOrHidePanels(e);
          };
  
          DomQuery(document).on('click touchstart', documentClickHandler);
        }
      }
  
      function bindDocumentScrollHandler() {
        if (!documentScrollHandler) {
          documentScrollHandler = function () {
            var i;
  
            i = visiblePanels.length;
            while (i--) {
              repositionPanel(visiblePanels[i]);
            }
          };
  
          DomQuery(window).on('scroll', documentScrollHandler);
        }
      }
  
      function bindWindowResizeHandler() {
        if (!windowResizeHandler) {
          var docElm = document.documentElement, clientWidth = docElm.clientWidth, clientHeight = docElm.clientHeight;
  
          windowResizeHandler = function () {
            // Workaround for #7065 IE 7 fires resize events event though the window wasn't resized
            if (!document.all || clientWidth != docElm.clientWidth || clientHeight != docElm.clientHeight) {
              clientWidth = docElm.clientWidth;
              clientHeight = docElm.clientHeight;
              FloatPanel.hideAll();
            }
          };
  
          DomQuery(window).on('resize', windowResizeHandler);
        }
      }
  
      /**
       * Repositions the panel to the top of page if the panel is outside of the visual viewport. It will
       * also reposition all child panels of the current panel.
       */
      function repositionPanel(panel) {
        var scrollY = DomUtils.getViewPort().y;
  
        function toggleFixedChildPanels(fixed, deltaY) {
          var parent;
  
          for (var i = 0; i < visiblePanels.length; i++) {
            if (visiblePanels[i] != panel) {
              parent = visiblePanels[i].parent();
  
              while (parent && (parent = parent.parent())) {
                if (parent == panel) {
                  visiblePanels[i].fixed(fixed).moveBy(0, deltaY).repaint();
                }
              }
            }
          }
        }
  
        if (panel.settings.autofix) {
          if (!panel.state.get('fixed')) {
            panel._autoFixY = panel.layoutRect().y;
  
            if (panel._autoFixY < scrollY) {
              panel.fixed(true).layoutRect({ y: 0 }).repaint();
              toggleFixedChildPanels(true, scrollY - panel._autoFixY);
            }
          } else {
            if (panel._autoFixY > scrollY) {
              panel.fixed(false).layoutRect({ y: panel._autoFixY }).repaint();
              toggleFixedChildPanels(false, panel._autoFixY - scrollY);
            }
          }
        }
      }
  
      function addRemove(add, ctrl) {
        var i, zIndex = FloatPanel.zIndex || 0xFFFF, topModal;
  
        if (add) {
          zOrder.push(ctrl);
        } else {
          i = zOrder.length;
  
          while (i--) {
            if (zOrder[i] === ctrl) {
              zOrder.splice(i, 1);
            }
          }
        }
  
        if (zOrder.length) {
          for (i = 0; i < zOrder.length; i++) {
            if (zOrder[i].modal) {
              zIndex++;
              topModal = zOrder[i];
            }
  
            zOrder[i].getEl().style.zIndex = zIndex;
            zOrder[i].zIndex = zIndex;
            zIndex++;
          }
        }
  
        var modalBlockEl = DomQuery('#' + ctrl.classPrefix + 'modal-block', ctrl.getContainerElm())[0];
  
        if (topModal) {
          DomQuery(modalBlockEl).css('z-index', topModal.zIndex - 1);
        } else if (modalBlockEl) {
          modalBlockEl.parentNode.removeChild(modalBlockEl);
          hasModal = false;
        }
  
        FloatPanel.currentZIndex = zIndex;
      }
  
      var FloatPanel = Panel.extend({
        Mixins: [Movable, Resizable],
  
        /**
         * Constructs a new control instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} autohide Automatically hide the panel.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          self._eventsRoot = self;
  
          self.classes.add('floatpanel');
  
          // Hide floatpanes on click out side the root button
          if (settings.autohide) {
            bindDocumentClickHandler();
            bindWindowResizeHandler();
            visiblePanels.push(self);
          }
  
          if (settings.autofix) {
            bindDocumentScrollHandler();
  
            self.on('move', function () {
              repositionPanel(this);
            });
          }
  
          self.on('postrender show', function (e) {
            if (e.control == self) {
              var $modalBlockEl, prefix = self.classPrefix;
  
              if (self.modal && !hasModal) {
                $modalBlockEl = DomQuery('#' + prefix + 'modal-block', self.getContainerElm());
                if (!$modalBlockEl[0]) {
                  $modalBlockEl = DomQuery(
                    '<div id="' + prefix + 'modal-block" class="' + prefix + 'reset ' + prefix + 'fade"></div>'
                  ).appendTo(self.getContainerElm());
                }
  
                Delay.setTimeout(function () {
                  $modalBlockEl.addClass(prefix + 'in');
                  DomQuery(self.getEl()).addClass(prefix + 'in');
                });
  
                hasModal = true;
              }
  
              addRemove(true, self);
            }
          });
  
          self.on('show', function () {
            self.parents().each(function (ctrl) {
              if (ctrl.state.get('fixed')) {
                self.fixed(true);
                return false;
              }
            });
          });
  
          if (settings.popover) {
            self._preBodyHtml = '<div class="' + self.classPrefix + 'arrow"></div>';
            self.classes.add('popover').add('bottom').add(self.isRtl() ? 'end' : 'start');
          }
  
          self.aria('label', settings.ariaLabel);
          self.aria('labelledby', self._id);
          self.aria('describedby', self.describedBy || self._id + '-none');
        },
  
        fixed: function (state) {
          var self = this;
  
          if (self.state.get('fixed') != state) {
            if (self.state.get('rendered')) {
              var viewport = DomUtils.getViewPort();
  
              if (state) {
                self.layoutRect().y -= viewport.y;
              } else {
                self.layoutRect().y += viewport.y;
              }
            }
  
            self.classes.toggle('fixed', state);
            self.state.set('fixed', state);
          }
  
          return self;
        },
  
        /**
         * Shows the current float panel.
         *
         * @method show
         * @return {tinymce.ui.FloatPanel} Current floatpanel instance.
         */
        show: function () {
          var self = this, i, state = self._super();
  
          i = visiblePanels.length;
          while (i--) {
            if (visiblePanels[i] === self) {
              break;
            }
          }
  
          if (i === -1) {
            visiblePanels.push(self);
          }
  
          return state;
        },
  
        /**
         * Hides the current float panel.
         *
         * @method hide
         * @return {tinymce.ui.FloatPanel} Current floatpanel instance.
         */
        hide: function () {
          removeVisiblePanel(this);
          addRemove(false, this);
  
          return this._super();
        },
  
        /**
         * Hide all visible float panels with he autohide setting enabled. This is for
         * manually hiding floating menus or panels.
         *
         * @method hideAll
         */
        hideAll: function () {
          FloatPanel.hideAll();
        },
  
        /**
         * Closes the float panel. This will remove the float panel from page and fire the close event.
         *
         * @method close
         */
        close: function () {
          var self = this;
  
          if (!self.fire('close').isDefaultPrevented()) {
            self.remove();
            addRemove(false, self);
          }
  
          return self;
        },
  
        /**
         * Removes the float panel from page.
         *
         * @method remove
         */
        remove: function () {
          removeVisiblePanel(this);
          this._super();
        },
  
        postRender: function () {
          var self = this;
  
          if (self.settings.bodyRole) {
            this.getEl('body').setAttribute('role', self.settings.bodyRole);
          }
  
          return self._super();
        }
      });
  
      /**
       * Hide all visible float panels with he autohide setting enabled. This is for
       * manually hiding floating menus or panels.
       *
       * @static
       * @method hideAll
       */
      FloatPanel.hideAll = function () {
        var i = visiblePanels.length;
  
        while (i--) {
          var panel = visiblePanels[i];
  
          if (panel && panel.settings.autohide) {
            panel.hide();
            visiblePanels.splice(i, 1);
          }
        }
      };
  
      function removeVisiblePanel(panel) {
        var i;
  
        i = visiblePanels.length;
        while (i--) {
          if (visiblePanels[i] === panel) {
            visiblePanels.splice(i, 1);
          }
        }
  
        i = zOrder.length;
        while (i--) {
          if (zOrder[i] === panel) {
            zOrder.splice(i, 1);
          }
        }
      }
  
      return FloatPanel;
    }
  );
  
  /**
   * Inline.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.modes.Inline',
    [
      'global!document',
      'tinymce.core.dom.DOMUtils',
      'tinymce.core.ui.Factory',
      'tinymce.themes.modern.api.Events',
      'tinymce.themes.modern.api.Settings',
      'tinymce.themes.modern.ui.A11y',
      'tinymce.themes.modern.ui.ContextToolbars',
      'tinymce.themes.modern.ui.Menubar',
      'tinymce.themes.modern.ui.SkinLoaded',
      'tinymce.themes.modern.ui.Toolbar',
      'tinymce.ui.FloatPanel'
    ],
    function (document, DOMUtils, Factory, Events, Settings, A11y, ContextToolbars, Menubar, SkinLoaded, Toolbar, FloatPanel) {
      var render = function (editor, theme, args) {
        var panel, inlineToolbarContainer;
        var DOM = DOMUtils.DOM;
  
        var fixedToolbarContainer = Settings.getFixedToolbarContainer(editor);
        if (fixedToolbarContainer) {
          inlineToolbarContainer = DOM.select(fixedToolbarContainer)[0];
        }
  
        var reposition = function () {
          if (panel && panel.moveRel && panel.visible() && !panel._fixed) {
            // TODO: This is kind of ugly and doesn't handle multiple scrollable elements
            var scrollContainer = editor.selection.getScrollContainer(), body = editor.getBody();
            var deltaX = 0, deltaY = 0;
  
            if (scrollContainer) {
              var bodyPos = DOM.getPos(body), scrollContainerPos = DOM.getPos(scrollContainer);
  
              deltaX = Math.max(0, scrollContainerPos.x - bodyPos.x);
              deltaY = Math.max(0, scrollContainerPos.y - bodyPos.y);
            }
  
            panel.fixed(false).moveRel(body, editor.rtl ? ['tr-br', 'br-tr'] : ['tl-bl', 'bl-tl', 'tr-br']).moveBy(deltaX, deltaY);
          }
        };
  
        var show = function () {
          if (panel) {
            panel.show();
            reposition();
            DOM.addClass(editor.getBody(), 'mce-edit-focus');
          }
        };
  
        var hide = function () {
          if (panel) {
            // We require two events as the inline float panel based toolbar does not have autohide=true
            panel.hide();
  
            // All other autohidden float panels will be closed below.
            FloatPanel.hideAll();
  
            DOM.removeClass(editor.getBody(), 'mce-edit-focus');
          }
        };
  
        var render = function () {
          if (panel) {
            if (!panel.visible()) {
              show();
            }
  
            return;
          }
  
          // Render a plain panel inside the inlineToolbarContainer if it's defined
          panel = theme.panel = Factory.create({
            type: inlineToolbarContainer ? 'panel' : 'floatpanel',
            role: 'application',
            classes: 'tinymce tinymce-inline',
            layout: 'flex',
            direction: 'column',
            align: 'stretch',
            autohide: false,
            autofix: true,
            fixed: !!inlineToolbarContainer,
            border: 1,
            items: [
              Settings.hasMenubar(editor) === false ? null : { type: 'menubar', border: '0 0 1 0', items: Menubar.createMenuButtons(editor) },
              Toolbar.createToolbars(editor, Settings.getToolbarSize(editor))
            ]
          });
  
          // Add statusbar
          /*if (settings.statusbar !== false) {
            panel.add({type: 'panel', classes: 'statusbar', layout: 'flow', border: '1 0 0 0', items: [
              {type: 'elementpath'}
            ]});
          }*/
  
          Events.fireBeforeRenderUI(editor);
          panel.renderTo(inlineToolbarContainer || document.body).reflow();
  
          A11y.addKeys(editor, panel);
          show();
          ContextToolbars.addContextualToolbars(editor);
  
          editor.on('nodeChange', reposition);
          editor.on('activate', show);
          editor.on('deactivate', hide);
  
          editor.nodeChanged();
        };
  
        editor.settings.content_editable = true;
  
        editor.on('focus', function () {
          // Render only when the CSS file has been loaded
          if (args.skinUiCss) {
            DOM.styleSheetLoader.load(args.skinUiCss, render, render);
          } else {
            render();
          }
        });
  
        editor.on('blur hide', hide);
  
        // Remove the panel when the editor is removed
        editor.on('remove', function () {
          if (panel) {
            panel.remove();
            panel = null;
          }
        });
  
        // Preload skin css
        if (args.skinUiCss) {
          DOM.styleSheetLoader.load(args.skinUiCss, SkinLoaded.fireSkinLoaded(editor));
        }
  
        return {};
      };
  
      return {
        render: render
      };
    }
  );
  
  /**
   * Throbber.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class enables you to display a Throbber for any element.
   *
   * @-x-less Throbber.less
   * @class tinymce.ui.Throbber
   */
  define(
    'tinymce.ui.Throbber',
    [
      "tinymce.core.dom.DomQuery",
      "tinymce.ui.Control",
      "tinymce.core.util.Delay"
    ],
    function ($, Control, Delay) {
      "use strict";
  
      /**
       * Constructs a new throbber.
       *
       * @constructor
       * @param {Element} elm DOM Html element to display throbber in.
       * @param {Boolean} inline Optional true/false state if the throbber should be appended to end of element for infinite scroll.
       */
      return function (elm, inline) {
        var self = this, state, classPrefix = Control.classPrefix, timer;
  
        /**
         * Shows the throbber.
         *
         * @method show
         * @param {Number} [time] Time to wait before showing.
         * @param {function} [callback] Optional callback to execute when the throbber is shown.
         * @return {tinymce.ui.Throbber} Current throbber instance.
         */
        self.show = function (time, callback) {
          function render() {
            if (state) {
              $(elm).append(
                '<div class="' + classPrefix + 'throbber' + (inline ? ' ' + classPrefix + 'throbber-inline' : '') + '"></div>'
              );
  
              if (callback) {
                callback();
              }
            }
          }
  
          self.hide();
  
          state = true;
  
          if (time) {
            timer = Delay.setTimeout(render, time);
          } else {
            render();
          }
  
          return self;
        };
  
        /**
         * Hides the throbber.
         *
         * @method hide
         * @return {tinymce.ui.Throbber} Current throbber instance.
         */
        self.hide = function () {
          var child = elm.lastChild;
  
          Delay.clearTimeout(timer);
  
          if (child && child.className.indexOf('throbber') != -1) {
            child.parentNode.removeChild(child);
          }
  
          state = false;
  
          return self;
        };
      };
    }
  );
  
  /**
   * ProgressState.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.ProgressState',
    [
      'tinymce.ui.Throbber'
    ],
    function (Throbber) {
      var setup = function (editor, theme) {
        var throbber;
  
        editor.on('ProgressState', function (e) {
          throbber = throbber || new Throbber(theme.panel.getEl('body'));
  
          if (e.state) {
            throbber.show(e.time);
          } else {
            throbber.hide();
          }
        });
      };
  
      return {
        setup: setup
      };
    }
  );
  
  /**
   * Render.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.ui.Render',
    [
      'tinymce.core.EditorManager',
      'tinymce.themes.modern.api.Settings',
      'tinymce.themes.modern.modes.Iframe',
      'tinymce.themes.modern.modes.Inline',
      'tinymce.themes.modern.ui.ProgressState'
    ],
    function (EditorManager, Settings, Iframe, Inline, ProgressState) {
      var renderUI = function (editor, theme, args) {
        var skinUrl = Settings.getSkinUrl(editor);
  
        if (skinUrl) {
          args.skinUiCss = skinUrl + '/skin.min.css';
          editor.contentCSS.push(skinUrl + '/content' + (editor.inline ? '.inline' : '') + '.min.css');
        }
  
        ProgressState.setup(editor, theme);
  
        return Settings.isInline(editor) ? Inline.render(editor, theme, args) : Iframe.render(editor, theme, args);
      };
  
      return {
        renderUI: renderUI
      };
    }
  );
  
  defineGlobal("global!setTimeout", setTimeout);
  /**
   * Tooltip.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a tooltip instance.
   *
   * @-x-less ToolTip.less
   * @class tinymce.ui.ToolTip
   * @extends tinymce.ui.Control
   * @mixes tinymce.ui.Movable
   */
  define(
    'tinymce.ui.Tooltip',
    [
      "tinymce.ui.Control",
      "tinymce.ui.Movable"
    ],
    function (Control, Movable) {
      return Control.extend({
        Mixins: [Movable],
  
        Defaults: {
          classes: 'widget tooltip tooltip-n'
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, prefix = self.classPrefix;
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '" role="presentation">' +
            '<div class="' + prefix + 'tooltip-arrow"></div>' +
            '<div class="' + prefix + 'tooltip-inner">' + self.encode(self.state.get('text')) + '</div>' +
            '</div>'
          );
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:text', function (e) {
            self.getEl().lastChild.innerHTML = self.encode(e.value);
          });
  
          return self._super();
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this, style, rect;
  
          style = self.getEl().style;
          rect = self._layoutRect;
  
          style.left = rect.x + 'px';
          style.top = rect.y + 'px';
          style.zIndex = 0xFFFF + 0xFFFF;
        }
      });
    }
  );
  /**
   * Widget.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Widget base class a widget is a control that has a tooltip and some basic states.
   *
   * @class tinymce.ui.Widget
   * @extends tinymce.ui.Control
   */
  define(
    'tinymce.ui.Widget',
    [
      "tinymce.ui.Control",
      "tinymce.ui.Tooltip"
    ],
    function (Control, Tooltip) {
      "use strict";
  
      var tooltip;
  
      var Widget = Control.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {String} tooltip Tooltip text to display when hovering.
         * @setting {Boolean} autofocus True if the control should be focused when rendered.
         * @setting {String} text Text to display inside widget.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          settings = self.settings;
          self.canFocus = true;
  
          if (settings.tooltip && Widget.tooltips !== false) {
            self.on('mouseenter', function (e) {
              var tooltip = self.tooltip().moveTo(-0xFFFF);
  
              if (e.control == self) {
                var rel = tooltip.text(settings.tooltip).show().testMoveRel(self.getEl(), ['bc-tc', 'bc-tl', 'bc-tr']);
  
                tooltip.classes.toggle('tooltip-n', rel == 'bc-tc');
                tooltip.classes.toggle('tooltip-nw', rel == 'bc-tl');
                tooltip.classes.toggle('tooltip-ne', rel == 'bc-tr');
  
                tooltip.moveRel(self.getEl(), rel);
              } else {
                tooltip.hide();
              }
            });
  
            self.on('mouseleave mousedown click', function () {
              self.tooltip().hide();
            });
          }
  
          self.aria('label', settings.ariaLabel || settings.tooltip);
        },
  
        /**
         * Returns the current tooltip instance.
         *
         * @method tooltip
         * @return {tinymce.ui.Tooltip} Tooltip instance.
         */
        tooltip: function () {
          if (!tooltip) {
            tooltip = new Tooltip({ type: 'tooltip' });
            tooltip.renderTo();
          }
  
          return tooltip;
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this, settings = self.settings;
  
          self._super();
  
          if (!self.parent() && (settings.width || settings.height)) {
            self.initLayoutRect();
            self.repaint();
          }
  
          if (settings.autofocus) {
            self.focus();
          }
        },
  
        bindStates: function () {
          var self = this;
  
          function disable(state) {
            self.aria('disabled', state);
            self.classes.toggle('disabled', state);
          }
  
          function active(state) {
            self.aria('pressed', state);
            self.classes.toggle('active', state);
          }
  
          self.state.on('change:disabled', function (e) {
            disable(e.value);
          });
  
          self.state.on('change:active', function (e) {
            active(e.value);
          });
  
          if (self.state.get('disabled')) {
            disable(true);
          }
  
          if (self.state.get('active')) {
            active(true);
          }
  
          return self._super();
        },
  
        /**
         * Removes the current control from DOM and from UI collections.
         *
         * @method remove
         * @return {tinymce.ui.Control} Current control instance.
         */
        remove: function () {
          this._super();
  
          if (tooltip) {
            tooltip.remove();
            tooltip = null;
          }
        }
      });
  
      return Widget;
    }
  );
  
  /**
   * Progress.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Progress control.
   *
   * @-x-less Progress.less
   * @class tinymce.ui.Progress
   * @extends tinymce.ui.Control
   */
  define(
    'tinymce.ui.Progress',
    [
      "tinymce.ui.Widget"
    ],
    function (Widget) {
      "use strict";
  
      return Widget.extend({
        Defaults: {
          value: 0
        },
  
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          self.classes.add('progress');
  
          if (!self.settings.filter) {
            self.settings.filter = function (value) {
              return Math.round(value);
            };
          }
        },
  
        renderHtml: function () {
          var self = this, id = self._id, prefix = this.classPrefix;
  
          return (
            '<div id="' + id + '" class="' + self.classes + '">' +
            '<div class="' + prefix + 'bar-container">' +
            '<div class="' + prefix + 'bar"></div>' +
            '</div>' +
            '<div class="' + prefix + 'text">0%</div>' +
            '</div>'
          );
        },
  
        postRender: function () {
          var self = this;
  
          self._super();
          self.value(self.settings.value);
  
          return self;
        },
  
        bindStates: function () {
          var self = this;
  
          function setValue(value) {
            value = self.settings.filter(value);
            self.getEl().lastChild.innerHTML = value + '%';
            self.getEl().firstChild.firstChild.style.width = value + '%';
          }
  
          self.state.on('change:value', function (e) {
            setValue(e.value);
          });
  
          setValue(self.state.get('value'));
  
          return self._super();
        }
      });
    }
  );
  /**
   * Notification.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a notification instance.
   *
   * @-x-less Notification.less
   * @class tinymce.ui.Notification
   * @extends tinymce.ui.Container
   * @mixes tinymce.ui.Movable
   */
  define(
    'tinymce.ui.Notification',
    [
      "tinymce.ui.Control",
      "tinymce.ui.Movable",
      "tinymce.ui.Progress",
      "tinymce.core.util.Delay"
    ],
    function (Control, Movable, Progress, Delay) {
      var updateLiveRegion = function (ctx, text) {
        ctx.getEl().lastChild.textContent = text + (ctx.progressBar ? ' ' + ctx.progressBar.value() + '%' : '');
      };
  
      return Control.extend({
        Mixins: [Movable],
  
        Defaults: {
          classes: 'widget notification'
        },
  
        init: function (settings) {
          var self = this;
  
          self._super(settings);
  
          self.maxWidth = settings.maxWidth;
  
          if (settings.text) {
            self.text(settings.text);
          }
  
          if (settings.icon) {
            self.icon = settings.icon;
          }
  
          if (settings.color) {
            self.color = settings.color;
          }
  
          if (settings.type) {
            self.classes.add('notification-' + settings.type);
          }
  
          if (settings.timeout && (settings.timeout < 0 || settings.timeout > 0) && !settings.closeButton) {
            self.closeButton = false;
          } else {
            self.classes.add('has-close');
            self.closeButton = true;
          }
  
          if (settings.progressBar) {
            self.progressBar = new Progress();
          }
  
          self.on('click', function (e) {
            if (e.target.className.indexOf(self.classPrefix + 'close') != -1) {
              self.close();
            }
          });
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, prefix = self.classPrefix, icon = '', closeButton = '', progressBar = '', notificationStyle = '';
  
          if (self.icon) {
            icon = '<i class="' + prefix + 'ico' + ' ' + prefix + 'i-' + self.icon + '"></i>';
          }
  
          notificationStyle = ' style="max-width: ' + self.maxWidth + 'px;' + (self.color ? 'background-color: ' + self.color + ';"' : '"');
  
          if (self.closeButton) {
            closeButton = '<button type="button" class="' + prefix + 'close" aria-hidden="true">\u00d7</button>';
          }
  
          if (self.progressBar) {
            progressBar = self.progressBar.renderHtml();
          }
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '"' + notificationStyle + ' role="presentation">' +
            icon +
            '<div class="' + prefix + 'notification-inner">' + self.state.get('text') + '</div>' +
            progressBar +
            closeButton +
            '<div style="clip: rect(1px, 1px, 1px, 1px);height: 1px;overflow: hidden;position: absolute;width: 1px;"' +
            ' aria-live="assertive" aria-relevant="additions" aria-atomic="true"></div>' +
            '</div>'
          );
        },
  
        postRender: function () {
          var self = this;
  
          Delay.setTimeout(function () {
            self.$el.addClass(self.classPrefix + 'in');
            updateLiveRegion(self, self.state.get('text'));
          }, 100);
  
          return self._super();
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:text', function (e) {
            self.getEl().firstChild.innerHTML = e.value;
            updateLiveRegion(self, e.value);
          });
          if (self.progressBar) {
            self.progressBar.bindStates();
            self.progressBar.state.on('change:value', function (e) {
              updateLiveRegion(self, self.state.get('text'));
            });
          }
          return self._super();
        },
  
        close: function () {
          var self = this;
  
          if (!self.fire('close').isDefaultPrevented()) {
            self.remove();
          }
  
          return self;
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this, style, rect;
  
          style = self.getEl().style;
          rect = self._layoutRect;
  
          style.left = rect.x + 'px';
          style.top = rect.y + 'px';
  
          // Hardcoded arbitrary z-value because we want the
          // notifications under the other windows
          style.zIndex = 0xFFFF - 1;
        }
      });
    }
  );
  /**
   * NotificationManagerImpl.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.NotificationManagerImpl',
    [
      'ephox.katamari.api.Arr',
      'global!setTimeout',
      'tinymce.core.util.Tools',
      'tinymce.ui.DomUtils',
      'tinymce.ui.Notification'
    ],
    function (Arr, setTimeout, Tools, DomUtils, Notification) {
      return function (editor) {
        var getEditorContainer = function (editor) {
          return editor.inline ? editor.getElement() : editor.getContentAreaContainer();
        };
  
        var getContainerWidth = function () {
          var container = getEditorContainer(editor);
          return DomUtils.getSize(container).width;
        };
  
        // Since the viewport will change based on the present notifications, we need to move them all to the
        // top left of the viewport to give an accurate size measurement so we can position them later.
        var prePositionNotifications = function (notifications) {
          Arr.each(notifications, function (notification) {
            notification.moveTo(0, 0);
          });
        };
  
        var positionNotifications = function (notifications) {
          if (notifications.length > 0) {
            var firstItem = notifications.slice(0, 1)[0];
            var container = getEditorContainer(editor);
            firstItem.moveRel(container, 'tc-tc');
            Arr.each(notifications, function (notification, index) {
              if (index > 0) {
                notification.moveRel(notifications[index - 1].getEl(), 'bc-tc');
              }
            });
          }
        };
  
        var reposition = function (notifications) {
          prePositionNotifications(notifications);
          positionNotifications(notifications);
        };
  
        var open = function (args, closeCallback) {
          var extendedArgs = Tools.extend(args, { maxWidth: getContainerWidth() });
          var notif = new Notification(extendedArgs);
          notif.args = extendedArgs;
  
          //If we have a timeout value
          if (extendedArgs.timeout > 0) {
            notif.timer = setTimeout(function () {
              notif.close();
              closeCallback();
            }, extendedArgs.timeout);
          }
  
          notif.on('close', function () {
            closeCallback();
          });
  
          notif.renderTo();
  
          return notif;
        };
  
        var close = function (notification) {
          notification.close();
        };
  
        var getArgs = function (notification) {
          return notification.args;
        };
  
        return {
          open: open,
          close: close,
          reposition: reposition,
          getArgs: getArgs
        };
      };
    }
  );
  
  /**
   * Window.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new window.
   *
   * @-x-less Window.less
   * @class tinymce.ui.Window
   * @extends tinymce.ui.FloatPanel
   */
  define(
    'tinymce.ui.Window',
    [
      'global!document',
      'global!setTimeout',
      'global!window',
      'tinymce.core.dom.DomQuery',
      'tinymce.core.Env',
      'tinymce.core.util.Delay',
      'tinymce.ui.BoxUtils',
      'tinymce.ui.DomUtils',
      'tinymce.ui.DragHelper',
      'tinymce.ui.FloatPanel',
      'tinymce.ui.Panel'
    ],
    function (document, setTimeout, window, DomQuery, Env, Delay, BoxUtils, DomUtils, DragHelper, FloatPanel, Panel) {
      "use strict";
  
      var windows = [], oldMetaValue = '';
  
      function toggleFullScreenState(state) {
        var noScaleMetaValue = 'width=device-width,initial-scale=1.0,user-scalable=0,minimum-scale=1.0,maximum-scale=1.0',
          viewport = DomQuery("meta[name=viewport]")[0],
          contentValue;
  
        if (Env.overrideViewPort === false) {
          return;
        }
  
        if (!viewport) {
          viewport = document.createElement('meta');
          viewport.setAttribute('name', 'viewport');
          document.getElementsByTagName('head')[0].appendChild(viewport);
        }
  
        contentValue = viewport.getAttribute('content');
        if (contentValue && typeof oldMetaValue != 'undefined') {
          oldMetaValue = contentValue;
        }
  
        viewport.setAttribute('content', state ? noScaleMetaValue : oldMetaValue);
      }
  
      function toggleBodyFullScreenClasses(classPrefix, state) {
        if (checkFullscreenWindows() && state === false) {
          DomQuery([document.documentElement, document.body]).removeClass(classPrefix + 'fullscreen');
        }
      }
  
      function checkFullscreenWindows() {
        for (var i = 0; i < windows.length; i++) {
          if (windows[i]._fullscreen) {
            return true;
          }
        }
        return false;
      }
  
      function handleWindowResize() {
        if (!Env.desktop) {
          var lastSize = {
            w: window.innerWidth,
            h: window.innerHeight
          };
  
          Delay.setInterval(function () {
            var w = window.innerWidth,
              h = window.innerHeight;
  
            if (lastSize.w != w || lastSize.h != h) {
              lastSize = {
                w: w,
                h: h
              };
  
              DomQuery(window).trigger('resize');
            }
          }, 100);
        }
  
        function reposition() {
          var i, rect = DomUtils.getWindowSize(), layoutRect;
  
          for (i = 0; i < windows.length; i++) {
            layoutRect = windows[i].layoutRect();
  
            windows[i].moveTo(
              windows[i].settings.x || Math.max(0, rect.w / 2 - layoutRect.w / 2),
              windows[i].settings.y || Math.max(0, rect.h / 2 - layoutRect.h / 2)
            );
          }
        }
  
        DomQuery(window).on('resize', reposition);
      }
  
      var Window = FloatPanel.extend({
        modal: true,
  
        Defaults: {
          border: 1,
          layout: 'flex',
          containerCls: 'panel',
          role: 'dialog',
          callbacks: {
            submit: function () {
              this.fire('submit', { data: this.toJSON() });
            },
  
            close: function () {
              this.close();
            }
          }
        },
  
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
  
          if (self.isRtl()) {
            self.classes.add('rtl');
          }
  
          self.classes.add('window');
          self.bodyClasses.add('window-body');
          self.state.set('fixed', true);
  
          // Create statusbar
          if (settings.buttons) {
            self.statusbar = new Panel({
              layout: 'flex',
              border: '1 0 0 0',
              spacing: 3,
              padding: 10,
              align: 'center',
              pack: self.isRtl() ? 'start' : 'end',
              defaults: {
                type: 'button'
              },
              items: settings.buttons
            });
  
            self.statusbar.classes.add('foot');
            self.statusbar.parent(self);
          }
  
          self.on('click', function (e) {
            var closeClass = self.classPrefix + 'close';
  
            if (DomUtils.hasClass(e.target, closeClass) || DomUtils.hasClass(e.target.parentNode, closeClass)) {
              self.close();
            }
          });
  
          self.on('cancel', function () {
            self.close();
          });
  
          self.aria('describedby', self.describedBy || self._id + '-none');
          self.aria('label', settings.title);
          self._fullscreen = false;
        },
  
        /**
         * Recalculates the positions of the controls in the current container.
         * This is invoked by the reflow method and shouldn't be called directly.
         *
         * @method recalc
         */
        recalc: function () {
          var self = this, statusbar = self.statusbar, layoutRect, width, x, needsRecalc;
  
          if (self._fullscreen) {
            self.layoutRect(DomUtils.getWindowSize());
            self.layoutRect().contentH = self.layoutRect().innerH;
          }
  
          self._super();
  
          layoutRect = self.layoutRect();
  
          // Resize window based on title width
          if (self.settings.title && !self._fullscreen) {
            width = layoutRect.headerW;
            if (width > layoutRect.w) {
              x = layoutRect.x - Math.max(0, width / 2);
              self.layoutRect({ w: width, x: x });
              needsRecalc = true;
            }
          }
  
          // Resize window based on statusbar width
          if (statusbar) {
            statusbar.layoutRect({ w: self.layoutRect().innerW }).recalc();
  
            width = statusbar.layoutRect().minW + layoutRect.deltaW;
            if (width > layoutRect.w) {
              x = layoutRect.x - Math.max(0, width - layoutRect.w);
              self.layoutRect({ w: width, x: x });
              needsRecalc = true;
            }
          }
  
          // Recalc body and disable auto resize
          if (needsRecalc) {
            self.recalc();
          }
        },
  
        /**
         * Initializes the current controls layout rect.
         * This will be executed by the layout managers to determine the
         * default minWidth/minHeight etc.
         *
         * @method initLayoutRect
         * @return {Object} Layout rect instance.
         */
        initLayoutRect: function () {
          var self = this, layoutRect = self._super(), deltaH = 0, headEl;
  
          // Reserve vertical space for title
          if (self.settings.title && !self._fullscreen) {
            headEl = self.getEl('head');
  
            var size = DomUtils.getSize(headEl);
  
            layoutRect.headerW = size.width;
            layoutRect.headerH = size.height;
  
            deltaH += layoutRect.headerH;
          }
  
          // Reserve vertical space for statusbar
          if (self.statusbar) {
            deltaH += self.statusbar.layoutRect().h;
          }
  
          layoutRect.deltaH += deltaH;
          layoutRect.minH += deltaH;
          //layoutRect.innerH -= deltaH;
          layoutRect.h += deltaH;
  
          var rect = DomUtils.getWindowSize();
  
          layoutRect.x = self.settings.x || Math.max(0, rect.w / 2 - layoutRect.w / 2);
          layoutRect.y = self.settings.y || Math.max(0, rect.h / 2 - layoutRect.h / 2);
  
          return layoutRect;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout, id = self._id, prefix = self.classPrefix;
          var settings = self.settings, headerHtml = '', footerHtml = '', html = settings.html;
  
          self.preRender();
          layout.preRender(self);
  
          if (settings.title) {
            headerHtml = (
              '<div id="' + id + '-head" class="' + prefix + 'window-head">' +
              '<div id="' + id + '-title" class="' + prefix + 'title">' + self.encode(settings.title) + '</div>' +
              '<div id="' + id + '-dragh" class="' + prefix + 'dragh"></div>' +
              '<button type="button" class="' + prefix + 'close" aria-hidden="true">' +
              '<i class="mce-ico mce-i-remove"></i>' +
              '</button>' +
              '</div>'
            );
          }
  
          if (settings.url) {
            html = '<iframe src="' + settings.url + '" tabindex="-1"></iframe>';
          }
  
          if (typeof html == "undefined") {
            html = layout.renderHtml(self);
          }
  
          if (self.statusbar) {
            footerHtml = self.statusbar.renderHtml();
          }
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" hidefocus="1">' +
            '<div class="' + self.classPrefix + 'reset" role="application">' +
            headerHtml +
            '<div id="' + id + '-body" class="' + self.bodyClasses + '">' +
            html +
            '</div>' +
            footerHtml +
            '</div>' +
            '</div>'
          );
        },
  
        /**
         * Switches the window fullscreen mode.
         *
         * @method fullscreen
         * @param {Boolean} state True/false state.
         * @return {tinymce.ui.Window} Current window instance.
         */
        fullscreen: function (state) {
          var self = this, documentElement = document.documentElement, slowRendering, prefix = self.classPrefix, layoutRect;
  
          if (state != self._fullscreen) {
            DomQuery(window).on('resize', function () {
              var time;
  
              if (self._fullscreen) {
                // Time the layout time if it's to slow use a timeout to not hog the CPU
                if (!slowRendering) {
                  time = new Date().getTime();
  
                  var rect = DomUtils.getWindowSize();
                  self.moveTo(0, 0).resizeTo(rect.w, rect.h);
  
                  if ((new Date().getTime()) - time > 50) {
                    slowRendering = true;
                  }
                } else {
                  if (!self._timer) {
                    self._timer = Delay.setTimeout(function () {
                      var rect = DomUtils.getWindowSize();
                      self.moveTo(0, 0).resizeTo(rect.w, rect.h);
  
                      self._timer = 0;
                    }, 50);
                  }
                }
              }
            });
  
            layoutRect = self.layoutRect();
            self._fullscreen = state;
  
            if (!state) {
              self.borderBox = BoxUtils.parseBox(self.settings.border);
              self.getEl('head').style.display = '';
              layoutRect.deltaH += layoutRect.headerH;
              DomQuery([documentElement, document.body]).removeClass(prefix + 'fullscreen');
              self.classes.remove('fullscreen');
              self.moveTo(self._initial.x, self._initial.y).resizeTo(self._initial.w, self._initial.h);
            } else {
              self._initial = { x: layoutRect.x, y: layoutRect.y, w: layoutRect.w, h: layoutRect.h };
  
              self.borderBox = BoxUtils.parseBox('0');
              self.getEl('head').style.display = 'none';
              layoutRect.deltaH -= layoutRect.headerH + 2;
              DomQuery([documentElement, document.body]).addClass(prefix + 'fullscreen');
              self.classes.add('fullscreen');
  
              var rect = DomUtils.getWindowSize();
              self.moveTo(0, 0).resizeTo(rect.w, rect.h);
            }
          }
  
          return self.reflow();
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this, startPos;
  
          setTimeout(function () {
            self.classes.add('in');
            self.fire('open');
          }, 0);
  
          self._super();
  
          if (self.statusbar) {
            self.statusbar.postRender();
          }
  
          self.focus();
  
          this.dragHelper = new DragHelper(self._id + '-dragh', {
            start: function () {
              startPos = {
                x: self.layoutRect().x,
                y: self.layoutRect().y
              };
            },
  
            drag: function (e) {
              self.moveTo(startPos.x + e.deltaX, startPos.y + e.deltaY);
            }
          });
  
          self.on('submit', function (e) {
            if (!e.isDefaultPrevented()) {
              self.close();
            }
          });
  
          windows.push(self);
          toggleFullScreenState(true);
        },
  
        /**
         * Fires a submit event with the serialized form.
         *
         * @method submit
         * @return {Object} Event arguments object.
         */
        submit: function () {
          return this.fire('submit', { data: this.toJSON() });
        },
  
        /**
         * Removes the current control from DOM and from UI collections.
         *
         * @method remove
         * @return {tinymce.ui.Control} Current control instance.
         */
        remove: function () {
          var self = this, i;
  
          self.dragHelper.destroy();
          self._super();
  
          if (self.statusbar) {
            this.statusbar.remove();
          }
  
          toggleBodyFullScreenClasses(self.classPrefix, false);
  
          i = windows.length;
          while (i--) {
            if (windows[i] === self) {
              windows.splice(i, 1);
            }
          }
  
          toggleFullScreenState(windows.length > 0);
        },
  
        /**
         * Returns the contentWindow object of the iframe if it exists.
         *
         * @method getContentWindow
         * @return {Window} window object or null.
         */
        getContentWindow: function () {
          var ifr = this.getEl().getElementsByTagName('iframe')[0];
          return ifr ? ifr.contentWindow : null;
        }
      });
  
      handleWindowResize();
  
      return Window;
    }
  );
  /**
   * MessageBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class is used to create MessageBoxes like alerts/confirms etc.
   *
   * @class tinymce.ui.MessageBox
   * @extends tinymce.ui.FloatPanel
   */
  define(
    'tinymce.ui.MessageBox',
    [
      'global!document',
      'tinymce.ui.Window'
    ],
    function (document, Window) {
      "use strict";
  
      var MessageBox = Window.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          settings = {
            border: 1,
            padding: 20,
            layout: 'flex',
            pack: "center",
            align: "center",
            containerCls: 'panel',
            autoScroll: true,
            buttons: { type: "button", text: "Ok", action: "ok" },
            items: {
              type: "label",
              multiline: true,
              maxWidth: 500,
              maxHeight: 200
            }
          };
  
          this._super(settings);
        },
  
        Statics: {
          /**
           * Ok buttons constant.
           *
           * @static
           * @final
           * @field {Number} OK
           */
          OK: 1,
  
          /**
           * Ok/cancel buttons constant.
           *
           * @static
           * @final
           * @field {Number} OK_CANCEL
           */
          OK_CANCEL: 2,
  
          /**
           * yes/no buttons constant.
           *
           * @static
           * @final
           * @field {Number} YES_NO
           */
          YES_NO: 3,
  
          /**
           * yes/no/cancel buttons constant.
           *
           * @static
           * @final
           * @field {Number} YES_NO_CANCEL
           */
          YES_NO_CANCEL: 4,
  
          /**
           * Constructs a new message box and renders it to the body element.
           *
           * @static
           * @method msgBox
           * @param {Object} settings Name/value object with settings.
           */
          msgBox: function (settings) {
            var buttons, callback = settings.callback || function () { };
  
            function createButton(text, status, primary) {
              return {
                type: "button",
                text: text,
                subtype: primary ? 'primary' : '',
                onClick: function (e) {
                  e.control.parents()[1].close();
                  callback(status);
                }
              };
            }
  
            switch (settings.buttons) {
              case MessageBox.OK_CANCEL:
                buttons = [
                  createButton('Ok', true, true),
                  createButton('Cancel', false)
                ];
                break;
  
              case MessageBox.YES_NO:
              case MessageBox.YES_NO_CANCEL:
                buttons = [
                  createButton('Yes', 1, true),
                  createButton('No', 0)
                ];
  
                if (settings.buttons == MessageBox.YES_NO_CANCEL) {
                  buttons.push(createButton('Cancel', -1));
                }
                break;
  
              default:
                buttons = [
                  createButton('Ok', true, true)
                ];
                break;
            }
  
            return new Window({
              padding: 20,
              x: settings.x,
              y: settings.y,
              minWidth: 300,
              minHeight: 100,
              layout: "flex",
              pack: "center",
              align: "center",
              buttons: buttons,
              title: settings.title,
              role: 'alertdialog',
              items: {
                type: "label",
                multiline: true,
                maxWidth: 500,
                maxHeight: 200,
                text: settings.text
              },
              onPostRender: function () {
                this.aria('describedby', this.items()[0]._id);
              },
              onClose: settings.onClose,
              onCancel: function () {
                callback(false);
              }
            }).renderTo(document.body).reflow();
          },
  
          /**
           * Creates a new alert dialog.
           *
           * @method alert
           * @param {Object} settings Settings for the alert dialog.
           * @param {function} [callback] Callback to execute when the user makes a choice.
           */
          alert: function (settings, callback) {
            if (typeof settings == "string") {
              settings = { text: settings };
            }
  
            settings.callback = callback;
            return MessageBox.msgBox(settings);
          },
  
          /**
           * Creates a new confirm dialog.
           *
           * @method confirm
           * @param {Object} settings Settings for the confirm dialog.
           * @param {function} [callback] Callback to execute when the user makes a choice.
           */
          confirm: function (settings, callback) {
            if (typeof settings == "string") {
              settings = { text: settings };
            }
  
            settings.callback = callback;
            settings.buttons = MessageBox.OK_CANCEL;
  
            return MessageBox.msgBox(settings);
          }
        }
      });
  
      return MessageBox;
    }
  );
  
  /**
   * WindowManagerImpl.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.WindowManagerImpl',
    [
      "tinymce.ui.Window",
      "tinymce.ui.MessageBox"
    ],
    function (Window, MessageBox) {
      return function (editor) {
        var open = function (args, params, closeCallback) {
          var win;
  
          args.title = args.title || ' ';
  
          // Handle URL
          args.url = args.url || args.file; // Legacy
          if (args.url) {
            args.width = parseInt(args.width || 320, 10);
            args.height = parseInt(args.height || 240, 10);
          }
  
          // Handle body
          if (args.body) {
            args.items = {
              defaults: args.defaults,
              type: args.bodyType || 'form',
              items: args.body,
              data: args.data,
              callbacks: args.commands
            };
          }
  
          if (!args.url && !args.buttons) {
            args.buttons = [
              {
                text: 'Ok', subtype: 'primary', onclick: function () {
                  win.find('form')[0].submit();
                }
              },
  
              {
                text: 'Cancel', onclick: function () {
                  win.close();
                }
              }
            ];
          }
  
          win = new Window(args);
  
          win.on('close', function () {
            closeCallback(win);
          });
  
          // Handle data
          if (args.data) {
            win.on('postRender', function () {
              this.find('*').each(function (ctrl) {
                var name = ctrl.name();
  
                if (name in args.data) {
                  ctrl.value(args.data[name]);
                }
              });
            });
          }
  
          // store args and parameters
          win.features = args || {};
          win.params = params || {};
  
          win = win.renderTo().reflow();
  
          return win;
        };
  
        var alert = function (message, choiceCallback, closeCallback) {
          var win;
  
          win = MessageBox.alert(message, function () {
            choiceCallback();
          });
  
          win.on('close', function () {
            closeCallback(win);
          });
  
          return win;
        };
  
        var confirm = function (message, choiceCallback, closeCallback) {
          var win;
  
          win = MessageBox.confirm(message, function (state) {
            choiceCallback(state);
          });
  
          win.on('close', function () {
            closeCallback(win);
          });
  
          return win;
        };
  
        var close = function (window) {
          window.close();
        };
  
        var getParams = function (window) {
          return window.params;
        };
  
        var setParams = function (window, params) {
          window.params = params;
        };
  
        return {
          open: open,
          alert: alert,
          confirm: confirm,
          close: close,
          getParams: getParams,
          setParams: setParams
        };
      };
    }
  );
  
  /**
   * ThemeApi.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.api.ThemeApi',
    [
      'tinymce.themes.modern.ui.Render',
      'tinymce.themes.modern.ui.Resize',
      'tinymce.ui.NotificationManagerImpl',
      'tinymce.ui.WindowManagerImpl'
    ],
    function (Render, Resize, NotificationManagerImpl, WindowManagerImpl) {
      var get = function (editor) {
        var renderUI = function (args) {
          return Render.renderUI(editor, this, args);
        };
  
        var resizeTo = function (w, h) {
          return Resize.resizeTo(editor, w, h);
        };
  
        var resizeBy = function (dw, dh) {
          return Resize.resizeBy(editor, dw, dh);
        };
  
        var getNotificationManagerImpl = function () {
          return NotificationManagerImpl(editor);
        };
  
        var getWindowManagerImpl = function () {
          return WindowManagerImpl(editor);
        };
  
        return {
          renderUI: renderUI,
          resizeTo: resizeTo,
          resizeBy: resizeBy,
          getNotificationManagerImpl: getNotificationManagerImpl,
          getWindowManagerImpl: getWindowManagerImpl
        };
      };
  
      return {
        get: get
      };
    }
  );
  
  /**
   * Layout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Base layout manager class.
   *
   * @class tinymce.ui.Layout
   */
  define(
    'tinymce.ui.Layout',
    [
      "tinymce.core.util.Class",
      "tinymce.core.util.Tools"
    ],
    function (Class, Tools) {
      "use strict";
  
      return Class.extend({
        Defaults: {
          firstControlClass: 'first',
          lastControlClass: 'last'
        },
  
        /**
         * Constructs a layout instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          this.settings = Tools.extend({}, this.Defaults, settings);
        },
  
        /**
         * This method gets invoked before the layout renders the controls.
         *
         * @method preRender
         * @param {tinymce.ui.Container} container Container instance to preRender.
         */
        preRender: function (container) {
          container.bodyClasses.add(this.settings.containerClass);
        },
  
        /**
         * Applies layout classes to the container.
         *
         * @private
         */
        applyClasses: function (items) {
          var self = this, settings = self.settings, firstClass, lastClass, firstItem, lastItem;
  
          firstClass = settings.firstControlClass;
          lastClass = settings.lastControlClass;
  
          items.each(function (item) {
            item.classes.remove(firstClass).remove(lastClass).add(settings.controlClass);
  
            if (item.visible()) {
              if (!firstItem) {
                firstItem = item;
              }
  
              lastItem = item;
            }
          });
  
          if (firstItem) {
            firstItem.classes.add(firstClass);
          }
  
          if (lastItem) {
            lastItem.classes.add(lastClass);
          }
        },
  
        /**
         * Renders the specified container and any layout specific HTML.
         *
         * @method renderHtml
         * @param {tinymce.ui.Container} container Container to render HTML for.
         */
        renderHtml: function (container) {
          var self = this, html = '';
  
          self.applyClasses(container.items());
  
          container.items().each(function (item) {
            html += item.renderHtml();
          });
  
          return html;
        },
  
        /**
         * Recalculates the positions of the controls in the specified container.
         *
         * @method recalc
         * @param {tinymce.ui.Container} container Container instance to recalc.
         */
        recalc: function () {
        },
  
        /**
         * This method gets invoked after the layout renders the controls.
         *
         * @method postRender
         * @param {tinymce.ui.Container} container Container instance to postRender.
         */
        postRender: function () {
        },
  
        isNative: function () {
          return false;
        }
      });
    }
  );
  /**
   * AbsoluteLayout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * LayoutManager for absolute positioning. This layout manager is more of
   * a base class for other layouts but can be created and used directly.
   *
   * @-x-less AbsoluteLayout.less
   * @class tinymce.ui.AbsoluteLayout
   * @extends tinymce.ui.Layout
   */
  define(
    'tinymce.ui.AbsoluteLayout',
    [
      "tinymce.ui.Layout"
    ],
    function (Layout) {
      "use strict";
  
      return Layout.extend({
        Defaults: {
          containerClass: 'abs-layout',
          controlClass: 'abs-layout-item'
        },
  
        /**
         * Recalculates the positions of the controls in the specified container.
         *
         * @method recalc
         * @param {tinymce.ui.Container} container Container instance to recalc.
         */
        recalc: function (container) {
          container.items().filter(':visible').each(function (ctrl) {
            var settings = ctrl.settings;
  
            ctrl.layoutRect({
              x: settings.x,
              y: settings.y,
              w: settings.w,
              h: settings.h
            });
  
            if (ctrl.recalc) {
              ctrl.recalc();
            }
          });
        },
  
        /**
         * Renders the specified container and any layout specific HTML.
         *
         * @method renderHtml
         * @param {tinymce.ui.Container} container Container to render HTML for.
         */
        renderHtml: function (container) {
          return '<div id="' + container._id + '-absend" class="' + container.classPrefix + 'abs-end"></div>' + this._super(container);
        }
      });
    }
  );
  /**
   * Button.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class is used to create buttons. You can create them directly or through the Factory.
   *
   * @example
   * // Create and render a button to the body element
   * tinymce.ui.Factory.create({
   *     type: 'button',
   *     text: 'My button'
   * }).renderTo(document.body);
   *
   * @-x-less Button.less
   * @class tinymce.ui.Button
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Button',
    [
      'global!document',
      'global!window',
      'tinymce.ui.Widget'
    ],
    function (document, window, Widget) {
      "use strict";
  
      return Widget.extend({
        Defaults: {
          classes: "widget btn",
          role: "button"
        },
  
        /**
         * Constructs a new button instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {String} size Size of the button small|medium|large.
         * @setting {String} image Image to use for icon.
         * @setting {String} icon Icon to use for button.
         */
        init: function (settings) {
          var self = this, size;
  
          self._super(settings);
          settings = self.settings;
  
          size = self.settings.size;
  
          self.on('click mousedown', function (e) {
            e.preventDefault();
          });
  
          self.on('touchstart', function (e) {
            self.fire('click', e);
            e.preventDefault();
          });
  
          if (settings.subtype) {
            self.classes.add(settings.subtype);
          }
  
          if (size) {
            self.classes.add('btn-' + size);
          }
  
          if (settings.icon) {
            self.icon(settings.icon);
          }
        },
  
        /**
         * Sets/gets the current button icon.
         *
         * @method icon
         * @param {String} [icon] New icon identifier.
         * @return {String|tinymce.ui.MenuButton} Current icon or current MenuButton instance.
         */
        icon: function (icon) {
          if (!arguments.length) {
            return this.state.get('icon');
          }
  
          this.state.set('icon', icon);
  
          return this;
        },
  
        /**
         * Repaints the button for example after it's been resizes by a layout engine.
         *
         * @method repaint
         */
        repaint: function () {
          var btnElm = this.getEl().firstChild,
            btnStyle;
  
          if (btnElm) {
            btnStyle = btnElm.style;
            btnStyle.width = btnStyle.height = "100%";
          }
  
          this._super();
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix;
          var icon = self.state.get('icon'), image, text = self.state.get('text'), textHtml = '';
  
          image = self.settings.image;
          if (image) {
            icon = 'none';
  
            // Support for [high dpi, low dpi] image sources
            if (typeof image != "string") {
              image = window.getSelection ? image[0] : image[1];
            }
  
            image = ' style="background-image: url(\'' + image + '\')"';
          } else {
            image = '';
          }
  
          if (text) {
            self.classes.add('btn-has-text');
            textHtml = '<span class="' + prefix + 'txt">' + self.encode(text) + '</span>';
          }
  
          icon = icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" tabindex="-1">' +
            '<button id="' + id + '-button" role="presentation" type="button" tabindex="-1">' +
            (icon ? '<i class="' + icon + '"' + image + '></i>' : '') +
            textHtml +
            '</button>' +
            '</div>'
          );
        },
  
        bindStates: function () {
          var self = this, $ = self.$, textCls = self.classPrefix + 'txt';
  
          function setButtonText(text) {
            var $span = $('span.' + textCls, self.getEl());
  
            if (text) {
              if (!$span[0]) {
                $('button:first', self.getEl()).append('<span class="' + textCls + '"></span>');
                $span = $('span.' + textCls, self.getEl());
              }
  
              $span.html(self.encode(text));
            } else {
              $span.remove();
            }
  
            self.classes.toggle('btn-has-text', !!text);
          }
  
          self.state.on('change:text', function (e) {
            setButtonText(e.value);
          });
  
          self.state.on('change:icon', function (e) {
            var icon = e.value, prefix = self.classPrefix;
  
            self.settings.icon = icon;
            icon = icon ? prefix + 'ico ' + prefix + 'i-' + self.settings.icon : '';
  
            var btnElm = self.getEl().firstChild, iconElm = btnElm.getElementsByTagName('i')[0];
  
            if (icon) {
              if (!iconElm || iconElm != btnElm.firstChild) {
                iconElm = document.createElement('i');
                btnElm.insertBefore(iconElm, btnElm.firstChild);
              }
  
              iconElm.className = icon;
            } else if (iconElm) {
              btnElm.removeChild(iconElm);
            }
  
            setButtonText(self.state.get('text'));
          });
  
          return self._super();
        }
      });
    }
  );
  
  defineGlobal("global!RegExp", RegExp);
  /**
   * BrowseButton.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new browse button.
   *
   * @-x-less BrowseButton.less
   * @class tinymce.ui.BrowseButton
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.BrowseButton',
    [
      'tinymce.ui.Button',
      'tinymce.core.util.Tools',
      'tinymce.ui.DomUtils',
      'tinymce.core.dom.DomQuery',
      'global!RegExp'
    ],
    function (Button, Tools, DomUtils, $, RegExp) {
      return Button.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} multiple True if the dropzone is a multiple control.
         * @setting {Number} maxLength Max length for the dropzone.
         * @setting {Number} size Size of the dropzone in characters.
         */
        init: function (settings) {
          var self = this;
  
          settings = Tools.extend({
            text: "Browse...",
            multiple: false,
            accept: null // by default accept any files
          }, settings);
  
          self._super(settings);
  
          self.classes.add('browsebutton');
  
          if (settings.multiple) {
            self.classes.add('multiple');
          }
        },
  
         /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          var input = DomUtils.create('input', {
            type: 'file',
            id: self._id + '-browse',
            accept: self.settings.accept
          });
  
          self._super();
  
          $(input).on('change', function (e) {
            var files = e.target.files;
  
            self.value = function () {
              if (!files.length) {
                return null;
              } else if (self.settings.multiple) {
                return files;
              } else {
                return files[0];
              }
            };
  
            e.preventDefault();
  
            if (files.length) {
              self.fire('change', e);
            }
          });
  
          // ui.Button prevents default on click, so we shouldn't let the click to propagate up to it
          $(input).on('click', function (e) {
            e.stopPropagation();
          });
  
          $(self.getEl('button')).on('click', function (e) {
            e.stopPropagation();
            input.click();
          });
  
          // in newer browsers input doesn't have to be attached to dom to trigger browser dialog
          // however older IE11 (< 11.1358.14393.0) still requires this
          self.getEl().appendChild(input);
        },
  
  
        remove: function () {
          $(this.getEl('button')).off();
          $(this.getEl('input')).off();
  
          this._super();
        }
      });
    }
  );
  
  /**
   * ButtonGroup.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This control enables you to put multiple buttons into a group. This is
   * useful when you want to combine similar toolbar buttons into a group.
   *
   * @example
   * // Create and render a buttongroup with two buttons to the body element
   * tinymce.ui.Factory.create({
   *     type: 'buttongroup',
   *     items: [
   *         {text: 'Button A'},
   *         {text: 'Button B'}
   *     ]
   * }).renderTo(document.body);
   *
   * @-x-less ButtonGroup.less
   * @class tinymce.ui.ButtonGroup
   * @extends tinymce.ui.Container
   */
  define(
    'tinymce.ui.ButtonGroup',
    [
      "tinymce.ui.Container"
    ],
    function (Container) {
      "use strict";
  
      return Container.extend({
        Defaults: {
          defaultType: 'button',
          role: 'group'
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout;
  
          self.classes.add('btn-group');
          self.preRender();
          layout.preRender(self);
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '">' +
            '<div id="' + self._id + '-body">' +
            (self.settings.html || '') + layout.renderHtml(self) +
            '</div>' +
            '</div>'
          );
        }
      });
    }
  );
  /**
   * Checkbox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This control creates a custom checkbox.
   *
   * @example
   * // Create and render a checkbox to the body element
   * tinymce.core.ui.Factory.create({
   *     type: 'checkbox',
   *     checked: true,
   *     text: 'My checkbox'
   * }).renderTo(document.body);
   *
   * @-x-less Checkbox.less
   * @class tinymce.ui.Checkbox
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Checkbox',
    [
      'global!document',
      'tinymce.ui.Widget'
    ],
    function (document, Widget) {
      "use strict";
  
      return Widget.extend({
        Defaults: {
          classes: "checkbox",
          role: "checkbox",
          checked: false
        },
  
        /**
         * Constructs a new Checkbox instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} checked True if the checkbox should be checked by default.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
  
          self.on('click mousedown', function (e) {
            e.preventDefault();
          });
  
          self.on('click', function (e) {
            e.preventDefault();
  
            if (!self.disabled()) {
              self.checked(!self.checked());
            }
          });
  
          self.checked(self.settings.checked);
        },
  
        /**
         * Getter/setter function for the checked state.
         *
         * @method checked
         * @param {Boolean} [state] State to be set.
         * @return {Boolean|tinymce.ui.Checkbox} True/false or checkbox if it's a set operation.
         */
        checked: function (state) {
          if (!arguments.length) {
            return this.state.get('checked');
          }
  
          this.state.set('checked', state);
  
          return this;
        },
  
        /**
         * Getter/setter function for the value state.
         *
         * @method value
         * @param {Boolean} [state] State to be set.
         * @return {Boolean|tinymce.ui.Checkbox} True/false or checkbox if it's a set operation.
         */
        value: function (state) {
          if (!arguments.length) {
            return this.checked();
          }
  
          return this.checked(state);
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix;
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" unselectable="on" aria-labelledby="' + id + '-al" tabindex="-1">' +
            '<i class="' + prefix + 'ico ' + prefix + 'i-checkbox"></i>' +
            '<span id="' + id + '-al" class="' + prefix + 'label">' + self.encode(self.state.get('text')) + '</span>' +
            '</div>'
          );
        },
  
        bindStates: function () {
          var self = this;
  
          function checked(state) {
            self.classes.toggle("checked", state);
            self.aria('checked', state);
          }
  
          self.state.on('change:text', function (e) {
            self.getEl('al').firstChild.data = self.translate(e.value);
          });
  
          self.state.on('change:checked change:value', function (e) {
            self.fire('change');
            checked(e.value);
          });
  
          self.state.on('change:icon', function (e) {
            var icon = e.value, prefix = self.classPrefix;
  
            if (typeof icon == 'undefined') {
              return self.settings.icon;
            }
  
            self.settings.icon = icon;
            icon = icon ? prefix + 'ico ' + prefix + 'i-' + self.settings.icon : '';
  
            var btnElm = self.getEl().firstChild, iconElm = btnElm.getElementsByTagName('i')[0];
  
            if (icon) {
              if (!iconElm || iconElm != btnElm.firstChild) {
                iconElm = document.createElement('i');
                btnElm.insertBefore(iconElm, btnElm.firstChild);
              }
  
              iconElm.className = icon;
            } else if (iconElm) {
              btnElm.removeChild(iconElm);
            }
          });
  
          if (self.state.get('checked')) {
            checked(true);
          }
  
          return self._super();
        }
      });
    }
  );
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.VK',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.VK');
    }
  );
  
  /**
   * ComboBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates a combobox control. Select box that you select a value from or
   * type a value into.
   *
   * @-x-less ComboBox.less
   * @class tinymce.ui.ComboBox
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.ComboBox',
    [
      'global!document',
      'tinymce.core.dom.DomQuery',
      'tinymce.core.ui.Factory',
      'tinymce.core.util.Tools',
      'tinymce.core.util.VK',
      'tinymce.ui.DomUtils',
      'tinymce.ui.Widget'
    ],
    function (document, DomQuery, Factory, Tools, VK, DomUtils, Widget) {
      "use strict";
  
      return Widget.extend({
        /**
         * Constructs a new control instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {String} placeholder Placeholder text to display.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          settings = self.settings;
  
          self.classes.add('combobox');
          self.subinput = true;
          self.ariaTarget = 'inp'; // TODO: Figure out a better way
  
          settings.menu = settings.menu || settings.values;
  
          if (settings.menu) {
            settings.icon = 'caret';
          }
  
          self.on('click', function (e) {
            var elm = e.target, root = self.getEl();
  
            if (!DomQuery.contains(root, elm) && elm != root) {
              return;
            }
  
            while (elm && elm != root) {
              if (elm.id && elm.id.indexOf('-open') != -1) {
                self.fire('action');
  
                if (settings.menu) {
                  self.showMenu();
  
                  if (e.aria) {
                    self.menu.items()[0].focus();
                  }
                }
              }
  
              elm = elm.parentNode;
            }
          });
  
          // TODO: Rework this
          self.on('keydown', function (e) {
            var rootControl;
  
            if (e.keyCode == 13 && e.target.nodeName === 'INPUT') {
              e.preventDefault();
  
              // Find root control that we can do toJSON on
              self.parents().reverse().each(function (ctrl) {
                if (ctrl.toJSON) {
                  rootControl = ctrl;
                  return false;
                }
              });
  
              // Fire event on current text box with the serialized data of the whole form
              self.fire('submit', { data: rootControl.toJSON() });
            }
          });
  
          self.on('keyup', function (e) {
            if (e.target.nodeName == "INPUT") {
              var oldValue = self.state.get('value');
              var newValue = e.target.value;
  
              if (newValue !== oldValue) {
                self.state.set('value', newValue);
                self.fire('autocomplete', e);
              }
            }
          });
  
          self.on('mouseover', function (e) {
            var tooltip = self.tooltip().moveTo(-0xFFFF);
  
            if (self.statusLevel() && e.target.className.indexOf(self.classPrefix + 'status') !== -1) {
              var statusMessage = self.statusMessage() || 'Ok';
              var rel = tooltip.text(statusMessage).show().testMoveRel(e.target, ['bc-tc', 'bc-tl', 'bc-tr']);
  
              tooltip.classes.toggle('tooltip-n', rel == 'bc-tc');
              tooltip.classes.toggle('tooltip-nw', rel == 'bc-tl');
              tooltip.classes.toggle('tooltip-ne', rel == 'bc-tr');
  
              tooltip.moveRel(e.target, rel);
            }
          });
        },
  
        statusLevel: function (value) {
          if (arguments.length > 0) {
            this.state.set('statusLevel', value);
          }
  
          return this.state.get('statusLevel');
        },
  
        statusMessage: function (value) {
          if (arguments.length > 0) {
            this.state.set('statusMessage', value);
          }
  
          return this.state.get('statusMessage');
        },
  
        showMenu: function () {
          var self = this, settings = self.settings, menu;
  
          if (!self.menu) {
            menu = settings.menu || [];
  
            // Is menu array then auto constuct menu control
            if (menu.length) {
              menu = {
                type: 'menu',
                items: menu
              };
            } else {
              menu.type = menu.type || 'menu';
            }
  
            self.menu = Factory.create(menu).parent(self).renderTo(self.getContainerElm());
            self.fire('createmenu');
            self.menu.reflow();
            self.menu.on('cancel', function (e) {
              if (e.control === self.menu) {
                self.focus();
              }
            });
  
            self.menu.on('show hide', function (e) {
              e.control.items().each(function (ctrl) {
                ctrl.active(ctrl.value() == self.value());
              });
            }).fire('show');
  
            self.menu.on('select', function (e) {
              self.value(e.control.value());
            });
  
            self.on('focusin', function (e) {
              if (e.target.tagName.toUpperCase() == 'INPUT') {
                self.menu.hide();
              }
            });
  
            self.aria('expanded', true);
          }
  
          self.menu.show();
          self.menu.layoutRect({ w: self.layoutRect().w });
          self.menu.moveRel(self.getEl(), self.isRtl() ? ['br-tr', 'tr-br'] : ['bl-tl', 'tl-bl']);
        },
  
        /**
         * Focuses the input area of the control.
         *
         * @method focus
         */
        focus: function () {
          this.getEl('inp').focus();
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this, elm = self.getEl(), openElm = self.getEl('open'), rect = self.layoutRect();
          var width, lineHeight, innerPadding = 0, inputElm = elm.firstChild;
  
          if (self.statusLevel() && self.statusLevel() !== 'none') {
            innerPadding = (
              parseInt(DomUtils.getRuntimeStyle(inputElm, 'padding-right'), 10) -
              parseInt(DomUtils.getRuntimeStyle(inputElm, 'padding-left'), 10)
            );
          }
  
          if (openElm) {
            width = rect.w - DomUtils.getSize(openElm).width - 10;
          } else {
            width = rect.w - 10;
          }
  
          // Detect old IE 7+8 add lineHeight to align caret vertically in the middle
          var doc = document;
          if (doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
            lineHeight = (self.layoutRect().h - 2) + 'px';
          }
  
          DomQuery(inputElm).css({
            width: width - innerPadding,
            lineHeight: lineHeight
          });
  
          self._super();
  
          return self;
        },
  
        /**
         * Post render method. Called after the control has been rendered to the target.
         *
         * @method postRender
         * @return {tinymce.ui.ComboBox} Current combobox instance.
         */
        postRender: function () {
          var self = this;
  
          DomQuery(this.getEl('inp')).on('change', function (e) {
            self.state.set('value', e.target.value);
            self.fire('change', e);
          });
  
          return self._super();
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, settings = self.settings, prefix = self.classPrefix;
          var value = self.state.get('value') || '';
          var icon, text, openBtnHtml = '', extraAttrs = '', statusHtml = '';
  
          if ("spellcheck" in settings) {
            extraAttrs += ' spellcheck="' + settings.spellcheck + '"';
          }
  
          if (settings.maxLength) {
            extraAttrs += ' maxlength="' + settings.maxLength + '"';
          }
  
          if (settings.size) {
            extraAttrs += ' size="' + settings.size + '"';
          }
  
          if (settings.subtype) {
            extraAttrs += ' type="' + settings.subtype + '"';
          }
  
          statusHtml = '<i id="' + id + '-status" class="mce-status mce-ico" style="display: none"></i>';
  
          if (self.disabled()) {
            extraAttrs += ' disabled="disabled"';
          }
  
          icon = settings.icon;
          if (icon && icon != 'caret') {
            icon = prefix + 'ico ' + prefix + 'i-' + settings.icon;
          }
  
          text = self.state.get('text');
  
          if (icon || text) {
            openBtnHtml = (
              '<div id="' + id + '-open" class="' + prefix + 'btn ' + prefix + 'open" tabIndex="-1" role="button">' +
              '<button id="' + id + '-action" type="button" hidefocus="1" tabindex="-1">' +
              (icon != 'caret' ? '<i class="' + icon + '"></i>' : '<i class="' + prefix + 'caret"></i>') +
              (text ? (icon ? ' ' : '') + text : '') +
              '</button>' +
              '</div>'
            );
  
            self.classes.add('has-open');
          }
  
          return (
            '<div id="' + id + '" class="' + self.classes + '">' +
            '<input id="' + id + '-inp" class="' + prefix + 'textbox" value="' +
            self.encode(value, false) + '" hidefocus="1"' + extraAttrs + ' placeholder="' +
            self.encode(settings.placeholder) + '" />' +
            statusHtml +
            openBtnHtml +
            '</div>'
          );
        },
  
        value: function (value) {
          if (arguments.length) {
            this.state.set('value', value);
            return this;
          }
  
          // Make sure the real state is in sync
          if (this.state.get('rendered')) {
            this.state.set('value', this.getEl('inp').value);
          }
  
          return this.state.get('value');
        },
  
        showAutoComplete: function (items, term) {
          var self = this;
  
          if (items.length === 0) {
            self.hideMenu();
            return;
          }
  
          var insert = function (value, title) {
            return function () {
              self.fire('selectitem', {
                title: title,
                value: value
              });
            };
          };
  
          if (self.menu) {
            self.menu.items().remove();
          } else {
            self.menu = Factory.create({
              type: 'menu',
              classes: 'combobox-menu',
              layout: 'flow'
            }).parent(self).renderTo();
          }
  
          Tools.each(items, function (item) {
            self.menu.add({
              text: item.title,
              url: item.previewUrl,
              match: term,
              classes: 'menu-item-ellipsis',
              onclick: insert(item.value, item.title)
            });
          });
  
          self.menu.renderNew();
          self.hideMenu();
  
          self.menu.on('cancel', function (e) {
            if (e.control.parent() === self.menu) {
              e.stopPropagation();
              self.focus();
              self.hideMenu();
            }
          });
  
          self.menu.on('select', function () {
            self.focus();
          });
  
          var maxW = self.layoutRect().w;
          self.menu.layoutRect({ w: maxW, minW: 0, maxW: maxW });
          self.menu.reflow();
          self.menu.show();
          self.menu.moveRel(self.getEl(), self.isRtl() ? ['br-tr', 'tr-br'] : ['bl-tl', 'tl-bl']);
        },
  
        hideMenu: function () {
          if (this.menu) {
            this.menu.hide();
          }
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:value', function (e) {
            if (self.getEl('inp').value != e.value) {
              self.getEl('inp').value = e.value;
            }
          });
  
          self.state.on('change:disabled', function (e) {
            self.getEl('inp').disabled = e.value;
          });
  
          self.state.on('change:statusLevel', function (e) {
            var statusIconElm = self.getEl('status');
            var prefix = self.classPrefix, value = e.value;
  
            DomUtils.css(statusIconElm, 'display', value === 'none' ? 'none' : '');
            DomUtils.toggleClass(statusIconElm, prefix + 'i-checkmark', value === 'ok');
            DomUtils.toggleClass(statusIconElm, prefix + 'i-warning', value === 'warn');
            DomUtils.toggleClass(statusIconElm, prefix + 'i-error', value === 'error');
            self.classes.toggle('has-status', value !== 'none');
            self.repaint();
          });
  
          DomUtils.on(self.getEl('status'), 'mouseleave', function () {
            self.tooltip().hide();
          });
  
          self.on('cancel', function (e) {
            if (self.menu && self.menu.visible()) {
              e.stopPropagation();
              self.hideMenu();
            }
          });
  
          var focusIdx = function (idx, menu) {
            if (menu && menu.items().length > 0) {
              menu.items().eq(idx)[0].focus();
            }
          };
  
          self.on('keydown', function (e) {
            var keyCode = e.keyCode;
  
            if (e.target.nodeName === 'INPUT') {
              if (keyCode === VK.DOWN) {
                e.preventDefault();
                self.fire('autocomplete');
                focusIdx(0, self.menu);
              } else if (keyCode === VK.UP) {
                e.preventDefault();
                focusIdx(-1, self.menu);
              }
            }
          });
  
          return self._super();
        },
  
        remove: function () {
          DomQuery(this.getEl('inp')).off();
  
          if (this.menu) {
            this.menu.remove();
          }
  
          this._super();
        }
      });
    }
  );
  /**
   * ColorBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This widget lets you enter colors and browse for colors by pressing the color button. It also displays
   * a preview of the current color.
   *
   * @-x-less ColorBox.less
   * @class tinymce.ui.ColorBox
   * @extends tinymce.ui.ComboBox
   */
  define(
    'tinymce.ui.ColorBox',
    [
      "tinymce.ui.ComboBox"
    ],
    function (ComboBox) {
      "use strict";
  
      return ComboBox.extend({
        /**
         * Constructs a new control instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          var self = this;
  
          settings.spellcheck = false;
  
          if (settings.onaction) {
            settings.icon = 'none';
          }
  
          self._super(settings);
  
          self.classes.add('colorbox');
          self.on('change keyup postrender', function () {
            self.repaintColor(self.value());
          });
        },
  
        repaintColor: function (value) {
          var openElm = this.getEl('open');
          var elm = openElm ? openElm.getElementsByTagName('i')[0] : null;
  
          if (elm) {
            try {
              elm.style.background = value;
            } catch (ex) {
              // Ignore
            }
          }
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:value', function (e) {
            if (self.state.get('rendered')) {
              self.repaintColor(e.value);
            }
          });
  
          return self._super();
        }
      });
    }
  );
  /**
   * PanelButton.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new panel button.
   *
   * @class tinymce.ui.PanelButton
   * @extends tinymce.ui.Button
   */
  define(
    'tinymce.ui.PanelButton',
    [
      "tinymce.ui.Button",
      "tinymce.ui.FloatPanel"
    ],
    function (Button, FloatPanel) {
      "use strict";
  
      return Button.extend({
        /**
         * Shows the panel for the button.
         *
         * @method showPanel
         */
        showPanel: function () {
          var self = this, settings = self.settings;
  
          self.classes.add('opened');
  
          if (!self.panel) {
            var panelSettings = settings.panel;
  
            // Wrap panel in grid layout if type if specified
            // This makes it possible to add forms or other containers directly in the panel option
            if (panelSettings.type) {
              panelSettings = {
                layout: 'grid',
                items: panelSettings
              };
            }
  
            panelSettings.role = panelSettings.role || 'dialog';
            panelSettings.popover = true;
            panelSettings.autohide = true;
            panelSettings.ariaRoot = true;
  
            self.panel = new FloatPanel(panelSettings).on('hide', function () {
              self.classes.remove('opened');
            }).on('cancel', function (e) {
              e.stopPropagation();
              self.focus();
              self.hidePanel();
            }).parent(self).renderTo(self.getContainerElm());
  
            self.panel.fire('show');
            self.panel.reflow();
          } else {
            self.panel.show();
          }
  
          var rel = self.panel.testMoveRel(self.getEl(), settings.popoverAlign || (self.isRtl() ? ['bc-tc', 'bc-tl', 'bc-tr'] : ['bc-tc', 'bc-tr', 'bc-tl']));
  
          self.panel.classes.toggle('start', rel === 'bc-tl');
          self.panel.classes.toggle('end', rel === 'bc-tr');
  
          self.panel.moveRel(self.getEl(), rel);
        },
  
        /**
         * Hides the panel for the button.
         *
         * @method hidePanel
         */
        hidePanel: function () {
          var self = this;
  
          if (self.panel) {
            self.panel.hide();
          }
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          self.aria('haspopup', true);
  
          self.on('click', function (e) {
            if (e.control === self) {
              if (self.panel && self.panel.visible()) {
                self.hidePanel();
              } else {
                self.showPanel();
                self.panel.focus(!!e.aria);
              }
            }
          });
  
          return self._super();
        },
  
        remove: function () {
          if (this.panel) {
            this.panel.remove();
            this.panel = null;
          }
  
          return this._super();
        }
      });
    }
  );
  /**
   * ColorButton.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates a color button control. This is a split button in which the main
   * button has a visual representation of the currently selected color. When clicked
   * the caret button displays a color picker, allowing the user to select a new color.
   *
   * @-x-less ColorButton.less
   * @class tinymce.ui.ColorButton
   * @extends tinymce.ui.PanelButton
   */
  define(
    'tinymce.ui.ColorButton',
    [
      "tinymce.ui.PanelButton",
      "tinymce.core.dom.DOMUtils"
    ],
    function (PanelButton, DomUtils) {
      "use strict";
  
      var DOM = DomUtils.DOM;
  
      return PanelButton.extend({
        /**
         * Constructs a new ColorButton instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          this._super(settings);
          this.classes.add('splitbtn');
          this.classes.add('colorbutton');
        },
  
        /**
         * Getter/setter for the current color.
         *
         * @method color
         * @param {String} [color] Color to set.
         * @return {String|tinymce.ui.ColorButton} Current color or current instance.
         */
        color: function (color) {
          if (color) {
            this._color = color;
            this.getEl('preview').style.backgroundColor = color;
            return this;
          }
  
          return this._color;
        },
  
        /**
         * Resets the current color.
         *
         * @method resetColor
         * @return {tinymce.ui.ColorButton} Current instance.
         */
        resetColor: function () {
          this._color = null;
          this.getEl('preview').style.backgroundColor = null;
          return this;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix, text = self.state.get('text');
          var icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + self.settings.icon : '';
          var image = self.settings.image ? ' style="background-image: url(\'' + self.settings.image + '\')"' : '',
            textHtml = '';
  
          if (text) {
            self.classes.add('btn-has-text');
            textHtml = '<span class="' + prefix + 'txt">' + self.encode(text) + '</span>';
          }
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" role="button" tabindex="-1" aria-haspopup="true">' +
            '<button role="presentation" hidefocus="1" type="button" tabindex="-1">' +
            (icon ? '<i class="' + icon + '"' + image + '></i>' : '') +
            '<span id="' + id + '-preview" class="' + prefix + 'preview"></span>' +
            textHtml +
            '</button>' +
            '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' +
            ' <i class="' + prefix + 'caret"></i>' +
            '</button>' +
            '</div>'
          );
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this, onClickHandler = self.settings.onclick;
  
          self.on('click', function (e) {
            if (e.aria && e.aria.key === 'down') {
              return;
            }
  
            if (e.control == self && !DOM.getParent(e.target, '.' + self.classPrefix + 'open')) {
              e.stopImmediatePropagation();
              onClickHandler.call(self, e);
            }
          });
  
          delete self.settings.onclick;
  
          return self._super();
        }
      });
    }
  );
  
  /**
   * ResolveGlobal.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.core.util.Color',
    [
      'global!tinymce.util.Tools.resolve'
    ],
    function (resolve) {
      return resolve('tinymce.util.Color');
    }
  );
  
  /**
   * ColorPicker.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Color picker widget lets you select colors.
   *
   * @-x-less ColorPicker.less
   * @class tinymce.ui.ColorPicker
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.ColorPicker',
    [
      "tinymce.ui.Widget",
      "tinymce.ui.DragHelper",
      "tinymce.ui.DomUtils",
      "tinymce.core.util.Color"
    ],
    function (Widget, DragHelper, DomUtils, Color) {
      "use strict";
  
      return Widget.extend({
        Defaults: {
          classes: "widget colorpicker"
        },
  
        /**
         * Constructs a new colorpicker instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {String} color Initial color value.
         */
        init: function (settings) {
          this._super(settings);
        },
  
        postRender: function () {
          var self = this, color = self.color(), hsv, hueRootElm, huePointElm, svRootElm, svPointElm;
  
          hueRootElm = self.getEl('h');
          huePointElm = self.getEl('hp');
          svRootElm = self.getEl('sv');
          svPointElm = self.getEl('svp');
  
          function getPos(elm, event) {
            var pos = DomUtils.getPos(elm), x, y;
  
            x = event.pageX - pos.x;
            y = event.pageY - pos.y;
  
            x = Math.max(0, Math.min(x / elm.clientWidth, 1));
            y = Math.max(0, Math.min(y / elm.clientHeight, 1));
  
            return {
              x: x,
              y: y
            };
          }
  
          function updateColor(hsv, hueUpdate) {
            var hue = (360 - hsv.h) / 360;
  
            DomUtils.css(huePointElm, {
              top: (hue * 100) + '%'
            });
  
            if (!hueUpdate) {
              DomUtils.css(svPointElm, {
                left: hsv.s + '%',
                top: (100 - hsv.v) + '%'
              });
            }
  
            svRootElm.style.background = new Color({ s: 100, v: 100, h: hsv.h }).toHex();
            self.color().parse({ s: hsv.s, v: hsv.v, h: hsv.h });
          }
  
          function updateSaturationAndValue(e) {
            var pos;
  
            pos = getPos(svRootElm, e);
            hsv.s = pos.x * 100;
            hsv.v = (1 - pos.y) * 100;
  
            updateColor(hsv);
            self.fire('change');
          }
  
          function updateHue(e) {
            var pos;
  
            pos = getPos(hueRootElm, e);
            hsv = color.toHsv();
            hsv.h = (1 - pos.y) * 360;
            updateColor(hsv, true);
            self.fire('change');
          }
  
          self._repaint = function () {
            hsv = color.toHsv();
            updateColor(hsv);
          };
  
          self._super();
  
          self._svdraghelper = new DragHelper(self._id + '-sv', {
            start: updateSaturationAndValue,
            drag: updateSaturationAndValue
          });
  
          self._hdraghelper = new DragHelper(self._id + '-h', {
            start: updateHue,
            drag: updateHue
          });
  
          self._repaint();
        },
  
        rgb: function () {
          return this.color().toRgb();
        },
  
        value: function (value) {
          var self = this;
  
          if (arguments.length) {
            self.color().parse(value);
  
            if (self._rendered) {
              self._repaint();
            }
          } else {
            return self.color().toHex();
          }
        },
  
        color: function () {
          if (!this._color) {
            this._color = new Color();
          }
  
          return this._color;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix, hueHtml;
          var stops = '#ff0000,#ff0080,#ff00ff,#8000ff,#0000ff,#0080ff,#00ffff,#00ff80,#00ff00,#80ff00,#ffff00,#ff8000,#ff0000';
  
          function getOldIeFallbackHtml() {
            var i, l, html = '', gradientPrefix, stopsList;
  
            gradientPrefix = 'filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=';
            stopsList = stops.split(',');
            for (i = 0, l = stopsList.length - 1; i < l; i++) {
              html += (
                '<div class="' + prefix + 'colorpicker-h-chunk" style="' +
                'height:' + (100 / l) + '%;' +
                gradientPrefix + stopsList[i] + ',endColorstr=' + stopsList[i + 1] + ');' +
                '-ms-' + gradientPrefix + stopsList[i] + ',endColorstr=' + stopsList[i + 1] + ')' +
                '"></div>'
              );
            }
  
            return html;
          }
  
          var gradientCssText = (
            'background: -ms-linear-gradient(top,' + stops + ');' +
            'background: linear-gradient(to bottom,' + stops + ');'
          );
  
          hueHtml = (
            '<div id="' + id + '-h" class="' + prefix + 'colorpicker-h" style="' + gradientCssText + '">' +
            getOldIeFallbackHtml() +
            '<div id="' + id + '-hp" class="' + prefix + 'colorpicker-h-marker"></div>' +
            '</div>'
          );
  
          return (
            '<div id="' + id + '" class="' + self.classes + '">' +
            '<div id="' + id + '-sv" class="' + prefix + 'colorpicker-sv">' +
            '<div class="' + prefix + 'colorpicker-overlay1">' +
            '<div class="' + prefix + 'colorpicker-overlay2">' +
            '<div id="' + id + '-svp" class="' + prefix + 'colorpicker-selector1">' +
            '<div class="' + prefix + 'colorpicker-selector2"></div>' +
            '</div>' +
            '</div>' +
            '</div>' +
            '</div>' +
            hueHtml +
            '</div>'
          );
        }
      });
    }
  );
  /**
   * DropZone.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new dropzone.
   *
   * @-x-less DropZone.less
   * @class tinymce.ui.DropZone
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.DropZone',
    [
      'tinymce.ui.Widget',
      'tinymce.core.util.Tools',
      'tinymce.ui.DomUtils',
      'global!RegExp'
    ],
    function (Widget, Tools, DomUtils, RegExp) {
      return Widget.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} multiple True if the dropzone is a multiple control.
         * @setting {Number} maxLength Max length for the dropzone.
         * @setting {Number} size Size of the dropzone in characters.
         */
        init: function (settings) {
          var self = this;
  
          settings = Tools.extend({
            height: 100,
            text: "Drop an image here",
            multiple: false,
            accept: null // by default accept any files
          }, settings);
  
          self._super(settings);
  
          self.classes.add('dropzone');
  
          if (settings.multiple) {
            self.classes.add('multiple');
          }
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, attrs, elm;
          var cfg = self.settings;
  
          attrs = {
            id: self._id,
            hidefocus: '1'
          };
  
          elm = DomUtils.create('div', attrs, '<span>' + this.translate(cfg.text) + '</span>');
  
          if (cfg.height) {
            DomUtils.css(elm, 'height', cfg.height + 'px');
          }
  
          if (cfg.width) {
            DomUtils.css(elm, 'width', cfg.width + 'px');
          }
  
          elm.className = self.classes;
  
          return elm.outerHTML;
        },
  
  
          /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          var toggleDragClass = function (e) {
            e.preventDefault();
            self.classes.toggle('dragenter');
            self.getEl().className = self.classes;
          };
  
          var filter = function (files) {
            var accept = self.settings.accept;
            if (typeof accept !== 'string') {
              return files;
            }
  
            var re = new RegExp('(' + accept.split(/\s*,\s*/).join('|') + ')$', 'i');
            return Tools.grep(files, function (file) {
              return re.test(file.name);
            });
          };
  
          self._super();
  
          self.$el.on('dragover', function (e) {
            e.preventDefault();
          });
  
          self.$el.on('dragenter', toggleDragClass);
          self.$el.on('dragleave', toggleDragClass);
  
          self.$el.on('drop', function (e) {
            e.preventDefault();
  
            if (self.state.get('disabled')) {
              return;
            }
  
            var files = filter(e.dataTransfer.files);
  
            self.value = function () {
              if (!files.length) {
                return null;
              } else if (self.settings.multiple) {
                return files;
              } else {
                return files[0];
              }
            };
  
            if (files.length) {
              self.fire('change', e);
            }
          });
        },
  
        remove: function () {
          this.$el.off();
          this._super();
        }
      });
    }
  );
  
  /**
   * Path.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new path control.
   *
   * @-x-less Path.less
   * @class tinymce.ui.Path
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Path',
    [
      "tinymce.ui.Widget"
    ],
    function (Widget) {
      "use strict";
  
      return Widget.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {String} delimiter Delimiter to display between row in path.
         */
        init: function (settings) {
          var self = this;
  
          if (!settings.delimiter) {
            settings.delimiter = '\u00BB';
          }
  
          self._super(settings);
          self.classes.add('path');
          self.canFocus = true;
  
          self.on('click', function (e) {
            var index, target = e.target;
  
            if ((index = target.getAttribute('data-index'))) {
              self.fire('select', { value: self.row()[index], index: index });
            }
          });
  
          self.row(self.settings.row);
        },
  
        /**
         * Focuses the current control.
         *
         * @method focus
         * @return {tinymce.ui.Control} Current control instance.
         */
        focus: function () {
          var self = this;
  
          self.getEl().firstChild.focus();
  
          return self;
        },
  
        /**
         * Sets/gets the data to be used for the path.
         *
         * @method row
         * @param {Array} row Array with row name is rendered to path.
         */
        row: function (row) {
          if (!arguments.length) {
            return this.state.get('row');
          }
  
          this.state.set('row', row);
  
          return this;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this;
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '">' +
            self._getDataPathHtml(self.state.get('row')) +
            '</div>'
          );
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:row', function (e) {
            self.innerHtml(self._getDataPathHtml(e.value));
          });
  
          return self._super();
        },
  
        _getDataPathHtml: function (data) {
          var self = this, parts = data || [], i, l, html = '', prefix = self.classPrefix;
  
          for (i = 0, l = parts.length; i < l; i++) {
            html += (
              (i > 0 ? '<div class="' + prefix + 'divider" aria-hidden="true"> ' + self.settings.delimiter + ' </div>' : '') +
              '<div role="button" class="' + prefix + 'path-item' + (i == l - 1 ? ' ' + prefix + 'last' : '') + '" data-index="' +
              i + '" tabindex="-1" id="' + self._id + '-' + i + '" aria-level="' + (i + 1) + '">' + parts[i].name + '</div>'
            );
          }
  
          if (!html) {
            html = '<div class="' + prefix + 'path-item">\u00a0</div>';
          }
  
          return html;
        }
      });
    }
  );
  
  /**
   * ElementPath.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This control creates an path for the current selections parent elements in TinyMCE.
   *
   * @class tinymce.ui.ElementPath
   * @extends tinymce.ui.Path
   */
  define(
    'tinymce.ui.ElementPath',
    [
      "tinymce.ui.Path"
    ],
    function (Path) {
      return Path.extend({
        /**
         * Post render method. Called after the control has been rendered to the target.
         *
         * @method postRender
         * @return {tinymce.ui.ElementPath} Current combobox instance.
         */
        postRender: function () {
          var self = this, editor = self.settings.editor;
  
          function isHidden(elm) {
            if (elm.nodeType === 1) {
              if (elm.nodeName == "BR" || !!elm.getAttribute('data-mce-bogus')) {
                return true;
              }
  
              if (elm.getAttribute('data-mce-type') === 'bookmark') {
                return true;
              }
            }
  
            return false;
          }
  
          if (editor.settings.elementpath !== false) {
            self.on('select', function (e) {
              editor.focus();
              editor.selection.select(this.row()[e.index].element);
              editor.nodeChanged();
            });
  
            editor.on('nodeChange', function (e) {
              var outParents = [], parents = e.parents, i = parents.length;
  
              while (i--) {
                if (parents[i].nodeType == 1 && !isHidden(parents[i])) {
                  var args = editor.fire('ResolveName', {
                    name: parents[i].nodeName.toLowerCase(),
                    target: parents[i]
                  });
  
                  if (!args.isDefaultPrevented()) {
                    outParents.push({ name: args.name, element: parents[i] });
                  }
  
                  if (args.isPropagationStopped()) {
                    break;
                  }
                }
              }
  
              self.row(outParents);
            });
          }
  
          return self._super();
        }
      });
    }
  );
  /**
   * FormItem.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class is a container created by the form element with
   * a label and control item.
   *
   * @class tinymce.ui.FormItem
   * @extends tinymce.ui.Container
   * @setting {String} label Label to display for the form item.
   */
  define(
    'tinymce.ui.FormItem',
    [
      "tinymce.ui.Container"
    ],
    function (Container) {
      "use strict";
  
      return Container.extend({
        Defaults: {
          layout: 'flex',
          align: 'center',
          defaults: {
            flex: 1
          }
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout, prefix = self.classPrefix;
  
          self.classes.add('formitem');
          layout.preRender(self);
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' +
            (self.settings.title ? ('<div id="' + self._id + '-title" class="' + prefix + 'title">' +
              self.settings.title + '</div>') : '') +
            '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' +
            (self.settings.html || '') + layout.renderHtml(self) +
            '</div>' +
            '</div>'
          );
        }
      });
    }
  );
  /**
   * Form.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates a form container. A form container has the ability
   * to automatically wrap items in tinymce.ui.FormItem instances.
   *
   * Each FormItem instance is a container for the label and the item.
   *
   * @example
   * tinymce.core.ui.Factory.create({
   *     type: 'form',
   *     items: [
   *         {type: 'textbox', label: 'My text box'}
   *     ]
   * }).renderTo(document.body);
   *
   * @class tinymce.ui.Form
   * @extends tinymce.ui.Container
   */
  define(
    'tinymce.ui.Form',
    [
      "tinymce.ui.Container",
      "tinymce.ui.FormItem",
      "tinymce.core.util.Tools"
    ],
    function (Container, FormItem, Tools) {
      "use strict";
  
      return Container.extend({
        Defaults: {
          containerCls: 'form',
          layout: 'flex',
          direction: 'column',
          align: 'stretch',
          flex: 1,
          padding: 15,
          labelGap: 30,
          spacing: 10,
          callbacks: {
            submit: function () {
              this.submit();
            }
          }
        },
  
        /**
         * This method gets invoked before the control is rendered.
         *
         * @method preRender
         */
        preRender: function () {
          var self = this, items = self.items();
  
          if (!self.settings.formItemDefaults) {
            self.settings.formItemDefaults = {
              layout: 'flex',
              autoResize: "overflow",
              defaults: { flex: 1 }
            };
          }
  
          // Wrap any labeled items in FormItems
          items.each(function (ctrl) {
            var formItem, label = ctrl.settings.label;
  
            if (label) {
              formItem = new FormItem(Tools.extend({
                items: {
                  type: 'label',
                  id: ctrl._id + '-l',
                  text: label,
                  flex: 0,
                  forId: ctrl._id,
                  disabled: ctrl.disabled()
                }
              }, self.settings.formItemDefaults));
  
              formItem.type = 'formitem';
              ctrl.aria('labelledby', ctrl._id + '-l');
  
              if (typeof ctrl.settings.flex == "undefined") {
                ctrl.settings.flex = 1;
              }
  
              self.replace(ctrl, formItem);
              formItem.add(ctrl);
            }
          });
        },
  
        /**
         * Fires a submit event with the serialized form.
         *
         * @method submit
         * @return {Object} Event arguments object.
         */
        submit: function () {
          return this.fire('submit', { data: this.toJSON() });
        },
  
        /**
         * Post render method. Called after the control has been rendered to the target.
         *
         * @method postRender
         * @return {tinymce.ui.ComboBox} Current combobox instance.
         */
        postRender: function () {
          var self = this;
  
          self._super();
          self.fromJSON(self.settings.data);
        },
  
        bindStates: function () {
          var self = this;
  
          self._super();
  
          function recalcLabels() {
            var maxLabelWidth = 0, labels = [], i, labelGap, items;
  
            if (self.settings.labelGapCalc === false) {
              return;
            }
  
            if (self.settings.labelGapCalc == "children") {
              items = self.find('formitem');
            } else {
              items = self.items();
            }
  
            items.filter('formitem').each(function (item) {
              var labelCtrl = item.items()[0], labelWidth = labelCtrl.getEl().clientWidth;
  
              maxLabelWidth = labelWidth > maxLabelWidth ? labelWidth : maxLabelWidth;
              labels.push(labelCtrl);
            });
  
            labelGap = self.settings.labelGap || 0;
  
            i = labels.length;
            while (i--) {
              labels[i].settings.minWidth = maxLabelWidth + labelGap;
            }
          }
  
          self.on('show', recalcLabels);
          recalcLabels();
        }
      });
    }
  );
  /**
   * FieldSet.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates fieldset containers.
   *
   * @-x-less FieldSet.less
   * @class tinymce.ui.FieldSet
   * @extends tinymce.ui.Form
   */
  define(
    'tinymce.ui.FieldSet',
    [
      "tinymce.ui.Form"
    ],
    function (Form) {
      "use strict";
  
      return Form.extend({
        Defaults: {
          containerCls: 'fieldset',
          layout: 'flex',
          direction: 'column',
          align: 'stretch',
          flex: 1,
          padding: "25 15 5 15",
          labelGap: 30,
          spacing: 10,
          border: 1
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout, prefix = self.classPrefix;
  
          self.preRender();
          layout.preRender(self);
  
          return (
            '<fieldset id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' +
            (self.settings.title ? ('<legend id="' + self._id + '-title" class="' + prefix + 'fieldset-title">' +
              self.settings.title + '</legend>') : '') +
            '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' +
            (self.settings.html || '') + layout.renderHtml(self) +
            '</div>' +
            '</fieldset>'
          );
        }
      });
    }
  );
  defineGlobal("global!Date", Date);
  defineGlobal("global!Math", Math);
  define(
    'ephox.katamari.api.Id',
    [
      'global!Date',
      'global!Math',
      'global!String'
    ],
  
    function (Date, Math, String) {
  
      /**
       * Generate a unique identifier.
       *
       * The unique portion of the identifier only contains an underscore
       * and digits, so that it may safely be used within HTML attributes.
       *
       * The chance of generating a non-unique identifier has been minimized
       * by combining the current time, a random number and a one-up counter.
       *
       * generate :: String -> String
       */
      var unique = 0;
  
      var generate = function (prefix) {
        var date   = new Date();
        var time   = date.getTime();
        var random = Math.floor(Math.random() * 1000000000);
  
        unique++;
  
        return prefix + '_' + random + unique + String(time);
      };
  
      return {
        generate: generate
      };
  
    }
  );
  
  define("global!console", [], function () { if (typeof console === "undefined") console = { log: function () {} }; return console; });
  define(
    'ephox.sugar.api.node.Element',
  
    [
      'ephox.katamari.api.Fun',
      'global!Error',
      'global!console',
      'global!document'
    ],
  
    function (Fun, Error, console, document) {
      var fromHtml = function (html, scope) {
        var doc = scope || document;
        var div = doc.createElement('div');
        div.innerHTML = html;
        if (!div.hasChildNodes() || div.childNodes.length > 1) {
          console.error('HTML does not have a single root node', html);
          throw 'HTML must have a single root node';
        }
        return fromDom(div.childNodes[0]);
      };
  
      var fromTag = function (tag, scope) {
        var doc = scope || document;
        var node = doc.createElement(tag);
        return fromDom(node);
      };
  
      var fromText = function (text, scope) {
        var doc = scope || document;
        var node = doc.createTextNode(text);
        return fromDom(node);
      };
  
      var fromDom = function (node) {
        if (node === null || node === undefined) throw new Error('Node cannot be null or undefined');
        return {
          dom: Fun.constant(node)
        };
      };
  
      return {
        fromHtml: fromHtml,
        fromTag: fromTag,
        fromText: fromText,
        fromDom: fromDom
      };
    }
  );
  
  define(
    'ephox.katamari.api.Thunk',
  
    [
    ],
  
    function () {
  
      var cached = function (f) {
        var called = false;
        var r;
        return function() {
          if (!called) {
            called = true;
            r = f.apply(null, arguments);
          }
          return r;
        };
      };
  
      return {
        cached: cached
      };
    }
  );
  
  define(
    'ephox.sugar.api.node.NodeTypes',
  
    [
  
    ],
  
    function () {
      return {
        ATTRIBUTE:              2,
        CDATA_SECTION:          4,
        COMMENT:                8,
        DOCUMENT:               9,
        DOCUMENT_TYPE:          10,
        DOCUMENT_FRAGMENT:      11,
        ELEMENT:                1,
        TEXT:                   3,
        PROCESSING_INSTRUCTION: 7,
        ENTITY_REFERENCE:       5,
        ENTITY:                 6,
        NOTATION:               12
      };
    }
  );
  define(
    'ephox.sugar.api.node.Node',
  
    [
      'ephox.sugar.api.node.NodeTypes'
    ],
  
    function (NodeTypes) {
      var name = function (element) {
        var r = element.dom().nodeName;
        return r.toLowerCase();
      };
  
      var type = function (element) {
        return element.dom().nodeType;
      };
  
      var value = function (element) {
        return element.dom().nodeValue;
      };
  
      var isType = function (t) {
        return function (element) {
          return type(element) === t;
        };
      };
  
      var isComment = function (element) {
        return type(element) === NodeTypes.COMMENT || name(element) === '#comment';
      };
  
      var isElement = isType(NodeTypes.ELEMENT);
      var isText = isType(NodeTypes.TEXT);
      var isDocument = isType(NodeTypes.DOCUMENT);
  
      return {
        name: name,
        type: type,
        value: value,
        isElement: isElement,
        isText: isText,
        isDocument: isDocument,
        isComment: isComment
      };
    }
  );
  
  define(
    'ephox.sugar.api.node.Body',
  
    [
      'ephox.katamari.api.Thunk',
      'ephox.sugar.api.node.Element',
      'ephox.sugar.api.node.Node',
      'global!document'
    ],
  
    function (Thunk, Element, Node, document) {
  
      // Node.contains() is very, very, very good performance
      // http://jsperf.com/closest-vs-contains/5
      var inBody = function (element) {
        // Technically this is only required on IE, where contains() returns false for text nodes.
        // But it's cheap enough to run everywhere and Sugar doesn't have platform detection (yet).
        var dom = Node.isText(element) ? element.dom().parentNode : element.dom();
  
        // use ownerDocument.body to ensure this works inside iframes.
        // Normally contains is bad because an element "contains" itself, but here we want that.
        return dom !== undefined && dom !== null && dom.ownerDocument.body.contains(dom);
      };
  
      var body = Thunk.cached(function() {
        return getBody(Element.fromDom(document));
      });
  
      var getBody = function (doc) {
        var body = doc.dom().body;
        if (body === null || body === undefined) throw 'Body is not available yet';
        return Element.fromDom(body);
      };
  
      return {
        body: body,
        getBody: getBody,
        inBody: inBody
      };
    }
  );
  
  define(
    'ephox.katamari.api.Type',
  
    [
      'global!Array',
      'global!String'
    ],
  
    function (Array, String) {
      var typeOf = function(x) {
        if (x === null) return 'null';
        var t = typeof x;
        if (t === 'object' && Array.prototype.isPrototypeOf(x)) return 'array';
        if (t === 'object' && String.prototype.isPrototypeOf(x)) return 'string';
        return t;
      };
  
      var isType = function (type) {
        return function (value) {
          return typeOf(value) === type;
        };
      };
  
      return {
        isString: isType('string'),
        isObject: isType('object'),
        isArray: isType('array'),
        isNull: isType('null'),
        isBoolean: isType('boolean'),
        isUndefined: isType('undefined'),
        isFunction: isType('function'),
        isNumber: isType('number')
      };
    }
  );
  
  
  define(
    'ephox.katamari.data.Immutable',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'global!Array',
      'global!Error'
    ],
  
    function (Arr, Fun, Array, Error) {
      return function () {
        var fields = arguments;
        return function(/* values */) {
          //  Don't use array slice(arguments), makes the whole function unoptimisable on Chrome
          var values = new Array(arguments.length);
          for (var i = 0; i < values.length; i++) values[i] = arguments[i];
  
          if (fields.length !== values.length)
            throw new Error('Wrong number of arguments to struct. Expected "[' + fields.length + ']", got ' + values.length + ' arguments');
  
          var struct = {};
          Arr.each(fields, function (name, i) {
            struct[name] = Fun.constant(values[i]);
          });
          return struct;
        };
      };
    }
  );
  
  define(
    'ephox.katamari.api.Obj',
  
    [
      'ephox.katamari.api.Option',
      'global!Object'
    ],
  
    function (Option, Object) {
      // There are many variations of Object iteration that are faster than the 'for-in' style:
      // http://jsperf.com/object-keys-iteration/107
      //
      // Use the native keys if it is available (IE9+), otherwise fall back to manually filtering
      var keys = (function () {
        var fastKeys = Object.keys;
  
        // This technically means that 'each' and 'find' on IE8 iterate through the object twice.
        // This code doesn't run on IE8 much, so it's an acceptable tradeoff.
        // If it becomes a problem we can always duplicate the feature detection inside each and find as well.
        var slowKeys = function (o) {
          var r = [];
          for (var i in o) {
            if (o.hasOwnProperty(i)) {
              r.push(i);
            }
          }
          return r;
        };
  
        return fastKeys === undefined ? slowKeys : fastKeys;
      })();
  
  
      var each = function (obj, f) {
        var props = keys(obj);
        for (var k = 0, len = props.length; k < len; k++) {
          var i = props[k];
          var x = obj[i];
          f(x, i, obj);
        }
      };
  
      /** objectMap :: (JsObj(k, v), (v, k, JsObj(k, v) -> x)) -> JsObj(k, x) */
      var objectMap = function (obj, f) {
        return tupleMap(obj, function (x, i, obj) {
          return {
            k: i,
            v: f(x, i, obj)
          };
        });
      };
  
      /** tupleMap :: (JsObj(k, v), (v, k, JsObj(k, v) -> { k: x, v: y })) -> JsObj(x, y) */
      var tupleMap = function (obj, f) {
        var r = {};
        each(obj, function (x, i) {
          var tuple = f(x, i, obj);
          r[tuple.k] = tuple.v;
        });
        return r;
      };
  
      /** bifilter :: (JsObj(k, v), (v, k -> Bool)) -> { t: JsObj(k, v), f: JsObj(k, v) } */
      var bifilter = function (obj, pred) {
        var t = {};
        var f = {};
        each(obj, function(x, i) {
          var branch = pred(x, i) ? t : f;
          branch[i] = x;
        });
        return {
          t: t,
          f: f
        };
      };
  
      /** mapToArray :: (JsObj(k, v), (v, k -> a)) -> [a] */
      var mapToArray = function (obj, f) {
        var r = [];
        each(obj, function(value, name) {
          r.push(f(value, name));
        });
        return r;
      };
  
      /** find :: (JsObj(k, v), (v, k, JsObj(k, v) -> Bool)) -> Option v */
      var find = function (obj, pred) {
        var props = keys(obj);
        for (var k = 0, len = props.length; k < len; k++) {
          var i = props[k];
          var x = obj[i];
          if (pred(x, i, obj)) {
            return Option.some(x);
          }
        }
        return Option.none();
      };
  
      /** values :: JsObj(k, v) -> [v] */
      var values = function (obj) {
        return mapToArray(obj, function (v) {
          return v;
        });
      };
  
      var size = function (obj) {
        return values(obj).length;
      };
  
      return {
        bifilter: bifilter,
        each: each,
        map: objectMap,
        mapToArray: mapToArray,
        tupleMap: tupleMap,
        find: find,
        keys: keys,
        values: values,
        size: size
      };
    }
  );
  define(
    'ephox.katamari.util.BagUtils',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Type',
      'global!Error'
    ],
  
    function (Arr, Type, Error) {
      var sort = function (arr) {
        return arr.slice(0).sort();
      };
  
      var reqMessage = function (required, keys) {
        throw new Error('All required keys (' + sort(required).join(', ') + ') were not specified. Specified keys were: ' + sort(keys).join(', ') + '.');
      };
  
      var unsuppMessage = function (unsupported) {
        throw new Error('Unsupported keys for object: ' + sort(unsupported).join(', '));
      };
  
      var validateStrArr = function (label, array) {
        if (!Type.isArray(array)) throw new Error('The ' + label + ' fields must be an array. Was: ' + array + '.');
        Arr.each(array, function (a) {
          if (!Type.isString(a)) throw new Error('The value ' + a + ' in the ' + label + ' fields was not a string.');
        });
      };
  
      var invalidTypeMessage = function (incorrect, type) {
        throw new Error('All values need to be of type: ' + type + '. Keys (' + sort(incorrect).join(', ') + ') were not.');
      };
  
      var checkDupes = function (everything) {
        var sorted = sort(everything);
        var dupe = Arr.find(sorted, function (s, i) {
          return i < sorted.length -1 && s === sorted[i + 1];
        });
  
        dupe.each(function (d) {
          throw new Error('The field: ' + d + ' occurs more than once in the combined fields: [' + sorted.join(', ') + '].');
        });
      };
  
      return {
        sort: sort,
        reqMessage: reqMessage,
        unsuppMessage: unsuppMessage,
        validateStrArr: validateStrArr,
        invalidTypeMessage: invalidTypeMessage,
        checkDupes: checkDupes
      };
    }
  );
  define(
    'ephox.katamari.data.MixedBag',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'ephox.katamari.api.Obj',
      'ephox.katamari.api.Option',
      'ephox.katamari.util.BagUtils',
      'global!Error',
      'global!Object'
    ],
  
    function (Arr, Fun, Obj, Option, BagUtils, Error, Object) {
      
      return function (required, optional) {
        var everything = required.concat(optional);
        if (everything.length === 0) throw new Error('You must specify at least one required or optional field.');
  
        BagUtils.validateStrArr('required', required);
        BagUtils.validateStrArr('optional', optional);
  
        BagUtils.checkDupes(everything);
  
        return function (obj) {
          var keys = Obj.keys(obj);
  
          // Ensure all required keys are present.
          var allReqd = Arr.forall(required, function (req) {
            return Arr.contains(keys, req);
          });
  
          if (! allReqd) BagUtils.reqMessage(required, keys);
  
          var unsupported = Arr.filter(keys, function (key) {
            return !Arr.contains(everything, key);
          });
  
          if (unsupported.length > 0) BagUtils.unsuppMessage(unsupported);
  
          var r = {};
          Arr.each(required, function (req) {
            r[req] = Fun.constant(obj[req]);
          });
  
          Arr.each(optional, function (opt) {
            r[opt] = Fun.constant(Object.prototype.hasOwnProperty.call(obj, opt) ? Option.some(obj[opt]): Option.none());
          });
  
          return r;
        };
      };
    }
  );
  define(
    'ephox.katamari.api.Struct',
  
    [
      'ephox.katamari.data.Immutable',
      'ephox.katamari.data.MixedBag'
    ],
  
    function (Immutable, MixedBag) {
      return {
        immutable: Immutable,
        immutableBag: MixedBag
      };
    }
  );
  
  define(
    'ephox.sugar.alien.Recurse',
  
    [
  
    ],
  
    function () {
      /**
       * Applies f repeatedly until it completes (by returning Option.none()).
       *
       * Normally would just use recursion, but JavaScript lacks tail call optimisation.
       *
       * This is what recursion looks like when manually unravelled :)
       */
      var toArray = function (target, f) {
        var r = [];
  
        var recurse = function (e) {
          r.push(e);
          return f(e);
        };
  
        var cur = f(target);
        do {
          cur = cur.bind(recurse);
        } while (cur.isSome());
  
        return r;
      };
  
      return {
        toArray: toArray
      };
    }
  );
  define(
    'ephox.katamari.api.Global',
  
    [
    ],
  
    function () {
      // Use window object as the global if it's available since CSP will block script evals
      if (typeof window !== 'undefined') {
        return window;
      } else {
        return Function('return this;')();
      }
    }
  );
  
  
  define(
    'ephox.katamari.api.Resolve',
  
    [
      'ephox.katamari.api.Global'
    ],
  
    function (Global) {
      /** path :: ([String], JsObj?) -> JsObj */
      var path = function (parts, scope) {
        var o = scope !== undefined ? scope : Global;
        for (var i = 0; i < parts.length && o !== undefined && o !== null; ++i)
          o = o[parts[i]];
        return o;
      };
  
      /** resolve :: (String, JsObj?) -> JsObj */
      var resolve = function (p, scope) {
        var parts = p.split('.');
        return path(parts, scope);
      };
  
      /** step :: (JsObj, String) -> JsObj */
      var step = function (o, part) {
        if (o[part] === undefined || o[part] === null)
          o[part] = {};
        return o[part];
      };
  
      /** forge :: ([String], JsObj?) -> JsObj */
      var forge = function (parts, target) {
        var o = target !== undefined ? target : Global;      
        for (var i = 0; i < parts.length; ++i)
          o = step(o, parts[i]);
        return o;
      };
  
      /** namespace :: (String, JsObj?) -> JsObj */
      var namespace = function (name, target) {
        var parts = name.split('.');
        return forge(parts, target);
      };
  
      return {
        path: path,
        resolve: resolve,
        forge: forge,
        namespace: namespace
      };
    }
  );
  
  
  define(
    'ephox.sand.util.Global',
  
    [
      'ephox.katamari.api.Resolve'
    ],
  
    function (Resolve) {
      var unsafe = function (name, scope) {
        return Resolve.resolve(name, scope);
      };
  
      var getOrDie = function (name, scope) {
        var actual = unsafe(name, scope);
  
        if (actual === undefined) throw name + ' not available on this browser';
        return actual;
      };
  
      return {
        getOrDie: getOrDie
      };
    }
  );
  define(
    'ephox.sand.api.Node',
  
    [
      'ephox.sand.util.Global'
    ],
  
    function (Global) {
      /*
       * MDN says (yes) for IE, but it's undefined on IE8
       */
      var node = function () {
        var f = Global.getOrDie('Node');
        return f;
      };
  
      /*
       * Most of numerosity doesn't alter the methods on the object.
       * We're making an exception for Node, because bitwise and is so easy to get wrong.
       *
       * Might be nice to ADT this at some point instead of having individual methods.
       */
  
      var compareDocumentPosition = function (a, b, match) {
        // Returns: 0 if e1 and e2 are the same node, or a bitmask comparing the positions
        // of nodes e1 and e2 in their documents. See the URL below for bitmask interpretation
        // https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition
        return (a.compareDocumentPosition(b) & match) !== 0;
      };
  
      var documentPositionPreceding = function (a, b) {
        return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_PRECEDING);
      };
  
      var documentPositionContainedBy = function (a, b) {
        return compareDocumentPosition(a, b, node().DOCUMENT_POSITION_CONTAINED_BY);
      };
  
      return {
        documentPositionPreceding: documentPositionPreceding,
        documentPositionContainedBy: documentPositionContainedBy
      };
    }
  );
  defineGlobal("global!Number", Number);
  define(
    'ephox.sand.detect.Version',
  
    [
      'ephox.katamari.api.Arr',
      'global!Number',
      'global!String'
    ],
  
    function (Arr, Number, String) {
      var firstMatch = function (regexes, s) {
        for (var i = 0; i < regexes.length; i++) {
          var x = regexes[i];
          if (x.test(s)) return x;
        }
        return undefined;
      };
  
      var find = function (regexes, agent) {
        var r = firstMatch(regexes, agent);
        if (!r) return { major : 0, minor : 0 };
        var group = function(i) {
          return Number(agent.replace(r, '$' + i));
        };
        return nu(group(1), group(2));
      };
  
      var detect = function (versionRegexes, agent) {
        var cleanedAgent = String(agent).toLowerCase();
  
        if (versionRegexes.length === 0) return unknown();
        return find(versionRegexes, cleanedAgent);
      };
  
      var unknown = function () {
        return nu(0, 0);
      };
  
      var nu = function (major, minor) {
        return { major: major, minor: minor };
      };
  
      return {
        nu: nu,
        detect: detect,
        unknown: unknown
      };
    }
  );
  define(
    'ephox.sand.core.Browser',
  
    [
      'ephox.katamari.api.Fun',
      'ephox.sand.detect.Version'
    ],
  
    function (Fun, Version) {
      var edge = 'Edge';
      var chrome = 'Chrome';
      var ie = 'IE';
      var opera = 'Opera';
      var firefox = 'Firefox';
      var safari = 'Safari';
  
      var isBrowser = function (name, current) {
        return function () {
          return current === name;
        };
      };
  
      var unknown = function () {
        return nu({
          current: undefined,
          version: Version.unknown()
        });
      };
  
      var nu = function (info) {
        var current = info.current;
        var version = info.version;
  
        return {
          current: current,
          version: version,
  
          // INVESTIGATE: Rename to Edge ?
          isEdge: isBrowser(edge, current),
          isChrome: isBrowser(chrome, current),
          // NOTE: isIe just looks too weird
          isIE: isBrowser(ie, current),
          isOpera: isBrowser(opera, current),
          isFirefox: isBrowser(firefox, current),
          isSafari: isBrowser(safari, current)
        };
      };
  
      return {
        unknown: unknown,
        nu: nu,
        edge: Fun.constant(edge),
        chrome: Fun.constant(chrome),
        ie: Fun.constant(ie),
        opera: Fun.constant(opera),
        firefox: Fun.constant(firefox),
        safari: Fun.constant(safari)
      };
    }
  );
  define(
    'ephox.sand.core.OperatingSystem',
  
    [
      'ephox.katamari.api.Fun',
      'ephox.sand.detect.Version'
    ],
  
    function (Fun, Version) {
      var windows = 'Windows';
      var ios = 'iOS';
      var android = 'Android';
      var linux = 'Linux';
      var osx = 'OSX';
      var solaris = 'Solaris';
      var freebsd = 'FreeBSD';
  
      // Though there is a bit of dupe with this and Browser, trying to 
      // reuse code makes it much harder to follow and change.
      var isOS = function (name, current) {
        return function () {
          return current === name;
        };
      };
  
      var unknown = function () {
        return nu({
          current: undefined,
          version: Version.unknown()
        });
      };
  
      var nu = function (info) {
        var current = info.current;
        var version = info.version;
  
        return {
          current: current,
          version: version,
  
          isWindows: isOS(windows, current),
          // TODO: Fix capitalisation
          isiOS: isOS(ios, current),
          isAndroid: isOS(android, current),
          isOSX: isOS(osx, current),
          isLinux: isOS(linux, current),
          isSolaris: isOS(solaris, current),
          isFreeBSD: isOS(freebsd, current)
        };
      };
  
      return {
        unknown: unknown,
        nu: nu,
  
        windows: Fun.constant(windows),
        ios: Fun.constant(ios),
        android: Fun.constant(android),
        linux: Fun.constant(linux),
        osx: Fun.constant(osx),
        solaris: Fun.constant(solaris),
        freebsd: Fun.constant(freebsd)
      };
    }
  );
  define(
    'ephox.sand.detect.DeviceType',
  
    [
      'ephox.katamari.api.Fun'
    ],
  
    function (Fun) {
      return function (os, browser, userAgent) {
        var isiPad = os.isiOS() && /ipad/i.test(userAgent) === true;
        var isiPhone = os.isiOS() && !isiPad;
        var isAndroid3 = os.isAndroid() && os.version.major === 3;
        var isAndroid4 = os.isAndroid() && os.version.major === 4;
        var isTablet = isiPad || isAndroid3 || ( isAndroid4 && /mobile/i.test(userAgent) === true );
        var isTouch = os.isiOS() || os.isAndroid();
        var isPhone = isTouch && !isTablet;
  
        var iOSwebview = browser.isSafari() && os.isiOS() && /safari/i.test(userAgent) === false;
  
        return {
          isiPad : Fun.constant(isiPad),
          isiPhone: Fun.constant(isiPhone),
          isTablet: Fun.constant(isTablet),
          isPhone: Fun.constant(isPhone),
          isTouch: Fun.constant(isTouch),
          isAndroid: os.isAndroid,
          isiOS: os.isiOS,
          isWebView: Fun.constant(iOSwebview)
        };
      };
    }
  );
  define(
    'ephox.sand.detect.UaString',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.sand.detect.Version',
      'global!String'
    ],
  
    function (Arr, Version, String) {
      var detect = function (candidates, userAgent) {
        var agent = String(userAgent).toLowerCase();
        return Arr.find(candidates, function (candidate) {
          return candidate.search(agent);
        });
      };
  
      // They (browser and os) are the same at the moment, but they might
      // not stay that way.
      var detectBrowser = function (browsers, userAgent) {
        return detect(browsers, userAgent).map(function (browser) {
          var version = Version.detect(browser.versionRegexes, userAgent);
          return {
            current: browser.name,
            version: version
          };
        });
      };
  
      var detectOs = function (oses, userAgent) {
        return detect(oses, userAgent).map(function (os) {
          var version = Version.detect(os.versionRegexes, userAgent);
          return {
            current: os.name,
            version: version
          };
        });
      };
  
      return {
        detectBrowser: detectBrowser,
        detectOs: detectOs
      };
    }
  );
  define(
    'ephox.katamari.str.StrAppend',
  
    [
  
    ],
  
    function () {
      var addToStart = function (str, prefix) {
        return prefix + str;
      };
  
      var addToEnd = function (str, suffix) {
        return str + suffix;
      };
  
      var removeFromStart = function (str, numChars) {
        return str.substring(numChars);
      };
  
      var removeFromEnd = function (str, numChars) {
        return str.substring(0, str.length - numChars);
      };
   
      return {
        addToStart: addToStart,
        addToEnd: addToEnd,
        removeFromStart: removeFromStart,
        removeFromEnd: removeFromEnd
      };
    }
  );
  define(
    'ephox.katamari.str.StringParts',
  
    [
      'ephox.katamari.api.Option',
      'global!Error'
    ],
  
    function (Option, Error) {
      /** Return the first 'count' letters from 'str'.
  -     *  e.g. first("abcde", 2) === "ab"
  -     */
      var first = function(str, count) {
       return str.substr(0, count);
      };
  
      /** Return the last 'count' letters from 'str'.
      *  e.g. last("abcde", 2) === "de"
      */
      var last = function(str, count) {
       return str.substr(str.length - count, str.length);
      };
  
      var head = function(str) {
        return str === '' ? Option.none() : Option.some(str.substr(0, 1));
      };
  
      var tail = function(str) {
        return str === '' ? Option.none() : Option.some(str.substring(1));
      };
  
      return {
        first: first,
        last: last,
        head: head,
        tail: tail
      };
    }
  );
  define(
    'ephox.katamari.api.Strings',
  
    [
      'ephox.katamari.str.StrAppend',
      'ephox.katamari.str.StringParts',
      'global!Error'
    ],
  
    function (StrAppend, StringParts, Error) {
      var checkRange = function(str, substr, start) {
        if (substr === '') return true;
        if (str.length < substr.length) return false;
        var x = str.substr(start, start + substr.length);
        return x === substr;
      };
  
      /** Given a string and object, perform template-replacements on the string, as specified by the object.
       * Any template fields of the form ${name} are replaced by the string or number specified as obj["name"]
       * Based on Douglas Crockford's 'supplant' method for template-replace of strings. Uses different template format.
       */
      var supplant = function(str, obj) {
        var isStringOrNumber = function(a) {
          var t = typeof a;
          return t === 'string' || t === 'number';
        };
  
        return str.replace(/\${([^{}]*)}/g,
          function (a, b) {
            var value = obj[b];
            return isStringOrNumber(value) ? value : a;
          }
        );
      };
  
      var removeLeading = function (str, prefix) {
        return startsWith(str, prefix) ? StrAppend.removeFromStart(str, prefix.length) : str;
      };
  
      var removeTrailing = function (str, prefix) {
        return endsWith(str, prefix) ? StrAppend.removeFromEnd(str, prefix.length) : str;
      };
  
      var ensureLeading = function (str, prefix) {
        return startsWith(str, prefix) ? str : StrAppend.addToStart(str, prefix);
      };
  
      var ensureTrailing = function (str, prefix) {
        return endsWith(str, prefix) ? str : StrAppend.addToEnd(str, prefix);
      };
   
      var contains = function(str, substr) {
        return str.indexOf(substr) !== -1;
      };
  
      var capitalize = function(str) {
        return StringParts.head(str).bind(function (head) {
          return StringParts.tail(str).map(function (tail) {
            return head.toUpperCase() + tail;
          });
        }).getOr(str);
      };
  
      /** Does 'str' start with 'prefix'?
       *  Note: all strings start with the empty string.
       *        More formally, for all strings x, startsWith(x, "").
       *        This is so that for all strings x and y, startsWith(y + x, y)
       */
      var startsWith = function(str, prefix) {
        return checkRange(str, prefix, 0);
      };
  
      /** Does 'str' end with 'suffix'?
       *  Note: all strings end with the empty string.
       *        More formally, for all strings x, endsWith(x, "").
       *        This is so that for all strings x and y, endsWith(x + y, y)
       */
      var endsWith = function(str, suffix) {
        return checkRange(str, suffix, str.length - suffix.length);
      };
  
     
      /** removes all leading and trailing spaces */
      var trim = function(str) {
        return str.replace(/^\s+|\s+$/g, '');
      };
  
      var lTrim = function(str) {
        return str.replace(/^\s+/g, '');
      };
  
      var rTrim = function(str) {
        return str.replace(/\s+$/g, '');
      };
  
      return {
        supplant: supplant,
        startsWith: startsWith,
        removeLeading: removeLeading,
        removeTrailing: removeTrailing,
        ensureLeading: ensureLeading,
        ensureTrailing: ensureTrailing,
        endsWith: endsWith,
        contains: contains,
        trim: trim,
        lTrim: lTrim,
        rTrim: rTrim,
        capitalize: capitalize
      };
    }
  );
  
  define(
    'ephox.sand.info.PlatformInfo',
  
    [
      'ephox.katamari.api.Fun',
      'ephox.katamari.api.Strings'
    ],
  
    function (Fun, Strings) {
      var normalVersionRegex = /.*?version\/\ ?([0-9]+)\.([0-9]+).*/;
  
      var checkContains = function (target) {
        return function (uastring) {
          return Strings.contains(uastring, target);
        };
      };
  
      var browsers = [
        {
          name : 'Edge',
          versionRegexes: [/.*?edge\/ ?([0-9]+)\.([0-9]+)$/],
          search: function (uastring) {
            var monstrosity = Strings.contains(uastring, 'edge/') && Strings.contains(uastring, 'chrome') && Strings.contains(uastring, 'safari') && Strings.contains(uastring, 'applewebkit');
            return monstrosity;
          }
        },
        {
          name : 'Chrome',
          versionRegexes: [/.*?chrome\/([0-9]+)\.([0-9]+).*/, normalVersionRegex],
          search : function (uastring) {
            return Strings.contains(uastring, 'chrome') && !Strings.contains(uastring, 'chromeframe');
          }
        },
        {
          name : 'IE',
          versionRegexes: [/.*?msie\ ?([0-9]+)\.([0-9]+).*/, /.*?rv:([0-9]+)\.([0-9]+).*/],
          search: function (uastring) {
            return Strings.contains(uastring, 'msie') || Strings.contains(uastring, 'trident');
          }
        },
        // INVESTIGATE: Is this still the Opera user agent?
        {
          name : 'Opera',
          versionRegexes: [normalVersionRegex, /.*?opera\/([0-9]+)\.([0-9]+).*/],
          search : checkContains('opera')
        },
        {
          name : 'Firefox',
          versionRegexes: [/.*?firefox\/\ ?([0-9]+)\.([0-9]+).*/],
          search : checkContains('firefox')
        },
        {
          name : 'Safari',
          versionRegexes: [normalVersionRegex, /.*?cpu os ([0-9]+)_([0-9]+).*/],
          search : function (uastring) {
            return (Strings.contains(uastring, 'safari') || Strings.contains(uastring, 'mobile/')) && Strings.contains(uastring, 'applewebkit');
          }
        }
      ];
  
      var oses = [
        {
          name : 'Windows',
          search : checkContains('win'),
          versionRegexes: [/.*?windows\ nt\ ?([0-9]+)\.([0-9]+).*/]
        },
        {
          name : 'iOS',
          search : function (uastring) {
            return Strings.contains(uastring, 'iphone') || Strings.contains(uastring, 'ipad');
          },
          versionRegexes: [/.*?version\/\ ?([0-9]+)\.([0-9]+).*/, /.*cpu os ([0-9]+)_([0-9]+).*/, /.*cpu iphone os ([0-9]+)_([0-9]+).*/]
        },
        {
          name : 'Android',
          search : checkContains('android'),
          versionRegexes: [/.*?android\ ?([0-9]+)\.([0-9]+).*/]
        },
        {
          name : 'OSX',
          search : checkContains('os x'),
          versionRegexes: [/.*?os\ x\ ?([0-9]+)_([0-9]+).*/]
        },
        {
          name : 'Linux',
          search : checkContains('linux'),
          versionRegexes: [ ]
        },
        { name : 'Solaris',
          search : checkContains('sunos'),
          versionRegexes: [ ]
        },
        {
         name : 'FreeBSD',
         search : checkContains('freebsd'),
         versionRegexes: [ ]
        }
      ];
  
      return {
        browsers: Fun.constant(browsers),
        oses: Fun.constant(oses)
      };
    }
  );
  define(
    'ephox.sand.core.PlatformDetection',
  
    [
      'ephox.sand.core.Browser',
      'ephox.sand.core.OperatingSystem',
      'ephox.sand.detect.DeviceType',
      'ephox.sand.detect.UaString',
      'ephox.sand.info.PlatformInfo'
    ],
  
    function (Browser, OperatingSystem, DeviceType, UaString, PlatformInfo) {
      var detect = function (userAgent) {
        var browsers = PlatformInfo.browsers();
        var oses = PlatformInfo.oses();
  
        var browser = UaString.detectBrowser(browsers, userAgent).fold(
          Browser.unknown,
          Browser.nu
        );
        var os = UaString.detectOs(oses, userAgent).fold(
          OperatingSystem.unknown,
          OperatingSystem.nu
        );
        var deviceType = DeviceType(os, browser, userAgent);
  
        return {
          browser: browser,
          os: os,
          deviceType: deviceType
        };
      };
  
      return {
        detect: detect
      };
    }
  );
  defineGlobal("global!navigator", navigator);
  define(
    'ephox.sand.api.PlatformDetection',
  
    [
      'ephox.katamari.api.Thunk',
      'ephox.sand.core.PlatformDetection',
      'global!navigator'
    ],
  
    function (Thunk, PlatformDetection, navigator) {
      var detect = Thunk.cached(function () {
        var userAgent = navigator.userAgent;
        return PlatformDetection.detect(userAgent);
      });
  
      return {
        detect: detect
      };
    }
  );
  define(
    'ephox.sugar.api.search.Selectors',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Option',
      'ephox.sugar.api.node.Element',
      'ephox.sugar.api.node.NodeTypes',
      'global!Error',
      'global!document'
    ],
  
    function (Arr, Option, Element, NodeTypes, Error, document) {
      /*
       * There's a lot of code here; the aim is to allow the browser to optimise constant comparisons,
       * instead of doing object lookup feature detection on every call
       */
      var STANDARD = 0;
      var MSSTANDARD = 1;
      var WEBKITSTANDARD = 2;
      var FIREFOXSTANDARD = 3;
  
      var selectorType = (function () {
        var test = document.createElement('span');
        // As of Chrome 34 / Safari 7.1 / FireFox 34, everyone except IE has the unprefixed function.
        // Still check for the others, but do it last.
        return test.matches !== undefined ? STANDARD :
               test.msMatchesSelector !== undefined ? MSSTANDARD :
               test.webkitMatchesSelector !== undefined ? WEBKITSTANDARD :
               test.mozMatchesSelector !== undefined ? FIREFOXSTANDARD :
               -1;
      })();
  
  
      var ELEMENT = NodeTypes.ELEMENT;
      var DOCUMENT = NodeTypes.DOCUMENT;
  
      var is = function (element, selector) {
        var elem = element.dom();
        if (elem.nodeType !== ELEMENT) return false; // documents have querySelector but not matches
  
        // As of Chrome 34 / Safari 7.1 / FireFox 34, everyone except IE has the unprefixed function.
        // Still check for the others, but do it last.
        else if (selectorType === STANDARD) return elem.matches(selector);
        else if (selectorType === MSSTANDARD) return elem.msMatchesSelector(selector);
        else if (selectorType === WEBKITSTANDARD) return elem.webkitMatchesSelector(selector);
        else if (selectorType === FIREFOXSTANDARD) return elem.mozMatchesSelector(selector);
        else throw new Error('Browser lacks native selectors'); // unfortunately we can't throw this on startup :(
      };
  
      var bypassSelector = function (dom) {
        // Only elements and documents support querySelector
        return dom.nodeType !== ELEMENT && dom.nodeType !== DOCUMENT ||
                // IE fix for complex queries on empty nodes: http://jsfiddle.net/spyder/fv9ptr5L/
                dom.childElementCount === 0;
      };
  
      var all = function (selector, scope) {
        var base = scope === undefined ? document : scope.dom();
        return bypassSelector(base) ? [] : Arr.map(base.querySelectorAll(selector), Element.fromDom);
      };
  
      var one = function (selector, scope) {
        var base = scope === undefined ? document : scope.dom();
        return bypassSelector(base) ? Option.none() : Option.from(base.querySelector(selector)).map(Element.fromDom);
      };
  
      return {
        all: all,
        is: is,
        one: one
      };
    }
  );
  
  define(
    'ephox.sugar.api.dom.Compare',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'ephox.sand.api.Node',
      'ephox.sand.api.PlatformDetection',
      'ephox.sugar.api.search.Selectors'
    ],
  
    function (Arr, Fun, Node, PlatformDetection, Selectors) {
  
      var eq = function (e1, e2) {
        return e1.dom() === e2.dom();
      };
  
      var isEqualNode = function (e1, e2) {
        return e1.dom().isEqualNode(e2.dom());
      };
  
      var member = function (element, elements) {
        return Arr.exists(elements, Fun.curry(eq, element));
      };
  
      // DOM contains() method returns true if e1===e2, we define our contains() to return false (a node does not contain itself).
      var regularContains = function (e1, e2) {
        var d1 = e1.dom(), d2 = e2.dom();
        return d1 === d2 ? false : d1.contains(d2);
      };
  
      var ieContains = function (e1, e2) {
        // IE only implements the contains() method for Element nodes.
        // It fails for Text nodes, so implement it using compareDocumentPosition()
        // https://connect.microsoft.com/IE/feedback/details/780874/node-contains-is-incorrect
        // Note that compareDocumentPosition returns CONTAINED_BY if 'e2 *is_contained_by* e1':
        // Also, compareDocumentPosition defines a node containing itself as false.
        return Node.documentPositionContainedBy(e1.dom(), e2.dom());
      };
  
      var browser = PlatformDetection.detect().browser;
  
      // Returns: true if node e1 contains e2, otherwise false.
      // (returns false if e1===e2: A node does not contain itself).
      var contains = browser.isIE() ? ieContains : regularContains;
  
      return {
        eq: eq,
        isEqualNode: isEqualNode,
        member: member,
        contains: contains,
  
        // Only used by DomUniverse. Remove (or should Selectors.is move here?)
        is: Selectors.is
      };
    }
  );
  
  define(
    'ephox.sugar.api.search.Traverse',
  
    [
      'ephox.katamari.api.Type',
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'ephox.katamari.api.Option',
      'ephox.katamari.api.Struct',
      'ephox.sugar.alien.Recurse',
      'ephox.sugar.api.dom.Compare',
      'ephox.sugar.api.node.Element'
    ],
  
    function (Type, Arr, Fun, Option, Struct, Recurse, Compare, Element) {
      // The document associated with the current element
      var owner = function (element) {
        return Element.fromDom(element.dom().ownerDocument);
      };
  
      var documentElement = function (element) {
        // TODO: Avoid unnecessary wrap/unwrap here
        var doc = owner(element);
        return Element.fromDom(doc.dom().documentElement);
      };
  
      // The window element associated with the element
      var defaultView = function (element) {
        var el = element.dom();
        var defaultView = el.ownerDocument.defaultView;
        return Element.fromDom(defaultView);
      };
  
      var parent = function (element) {
        var dom = element.dom();
        return Option.from(dom.parentNode).map(Element.fromDom);
      };
  
      var findIndex = function (element) {
        return parent(element).bind(function (p) {
          // TODO: Refactor out children so we can avoid the constant unwrapping
          var kin = children(p);
          return Arr.findIndex(kin, function (elem) {
            return Compare.eq(element, elem);
          });
        });
      };
  
      var parents = function (element, isRoot) {
        var stop = Type.isFunction(isRoot) ? isRoot : Fun.constant(false);
  
        // This is used a *lot* so it needs to be performant, not recursive
        var dom = element.dom();
        var ret = [];
  
        while (dom.parentNode !== null && dom.parentNode !== undefined) {
          var rawParent = dom.parentNode;
          var parent = Element.fromDom(rawParent);
          ret.push(parent);
  
          if (stop(parent) === true) break;
          else dom = rawParent;
        }
        return ret;
      };
  
      var siblings = function (element) {
        // TODO: Refactor out children so we can just not add self instead of filtering afterwards
        var filterSelf = function (elements) {
          return Arr.filter(elements, function (x) {
            return !Compare.eq(element, x);
          });
        };
  
        return parent(element).map(children).map(filterSelf).getOr([]);
      };
  
      var offsetParent = function (element) {
        var dom = element.dom();
        return Option.from(dom.offsetParent).map(Element.fromDom);
      };
  
      var prevSibling = function (element) {
        var dom = element.dom();
        return Option.from(dom.previousSibling).map(Element.fromDom);
      };
  
      var nextSibling = function (element) {
        var dom = element.dom();
        return Option.from(dom.nextSibling).map(Element.fromDom);
      };
  
      var prevSiblings = function (element) {
        // This one needs to be reversed, so they're still in DOM order
        return Arr.reverse(Recurse.toArray(element, prevSibling));
      };
  
      var nextSiblings = function (element) {
        return Recurse.toArray(element, nextSibling);
      };
  
      var children = function (element) {
        var dom = element.dom();
        return Arr.map(dom.childNodes, Element.fromDom);
      };
  
      var child = function (element, index) {
        var children = element.dom().childNodes;
        return Option.from(children[index]).map(Element.fromDom);
      };
  
      var firstChild = function (element) {
        return child(element, 0);
      };
  
      var lastChild = function (element) {
        return child(element, element.dom().childNodes.length - 1);
      };
  
      var childNodesCount = function (element, index) {
        return element.dom().childNodes.length;
      };
  
      var spot = Struct.immutable('element', 'offset');
      var leaf = function (element, offset) {
        var cs = children(element);
        return cs.length > 0 && offset < cs.length ? spot(cs[offset], 0) : spot(element, offset);
      };
  
      return {
        owner: owner,
        defaultView: defaultView,
        documentElement: documentElement,
        parent: parent,
        findIndex: findIndex,
        parents: parents,
        siblings: siblings,
        prevSibling: prevSibling,
        offsetParent: offsetParent,
        prevSiblings: prevSiblings,
        nextSibling: nextSibling,
        nextSiblings: nextSiblings,
        children: children,
        child: child,
        firstChild: firstChild,
        lastChild: lastChild,
        childNodesCount: childNodesCount,
        leaf: leaf
      };
    }
  );
  
  define(
    'ephox.sugar.api.search.PredicateFilter',
  
    [
      'ephox.katamari.api.Arr',
      'ephox.sugar.api.node.Body',
      'ephox.sugar.api.search.Traverse'
    ],
  
    function (Arr, Body, Traverse) {
      // maybe TraverseWith, similar to traverse but with a predicate?
  
      var all = function (predicate) {
        return descendants(Body.body(), predicate);
      };
  
      var ancestors = function (scope, predicate, isRoot) {
        return Arr.filter(Traverse.parents(scope, isRoot), predicate);
      };
  
      var siblings = function (scope, predicate) {
        return Arr.filter(Traverse.siblings(scope), predicate);
      };
  
      var children = function (scope, predicate) {
        return Arr.filter(Traverse.children(scope), predicate);
      };
  
      var descendants = function (scope, predicate) {
        var result = [];
  
        // Recurse.toArray() might help here
        Arr.each(Traverse.children(scope), function (x) {
          if (predicate(x)) {
            result = result.concat([ x ]);
          }
          result = result.concat(descendants(x, predicate));
        });
        return result;
      };
  
      return {
        all: all,
        ancestors: ancestors,
        siblings: siblings,
        children: children,
        descendants: descendants
      };
    }
  );
  
  define(
    'ephox.sugar.api.search.SelectorFilter',
  
    [
      'ephox.sugar.api.search.PredicateFilter',
      'ephox.sugar.api.search.Selectors'
    ],
  
    function (PredicateFilter, Selectors) {
      var all = function (selector) {
        return Selectors.all(selector);
      };
  
      // For all of the following:
      //
      // jQuery does siblings of firstChild. IE9+ supports scope.dom().children (similar to Traverse.children but elements only).
      // Traverse should also do this (but probably not by default).
      //
  
      var ancestors = function (scope, selector, isRoot) {
        // It may surprise you to learn this is exactly what JQuery does
        // TODO: Avoid all this wrapping and unwrapping
        return PredicateFilter.ancestors(scope, function (e) {
          return Selectors.is(e, selector);
        }, isRoot);
      };
  
      var siblings = function (scope, selector) {
        // It may surprise you to learn this is exactly what JQuery does
        // TODO: Avoid all the wrapping and unwrapping
        return PredicateFilter.siblings(scope, function (e) {
          return Selectors.is(e, selector);
        });
      };
  
      var children = function (scope, selector) {
        // It may surprise you to learn this is exactly what JQuery does
        // TODO: Avoid all the wrapping and unwrapping
        return PredicateFilter.children(scope, function (e) {
          return Selectors.is(e, selector);
        });
      };
  
      var descendants = function (scope, selector) {
        return Selectors.all(selector, scope);
      };
  
      return {
        all: all,
        ancestors: ancestors,
        siblings: siblings,
        children: children,
        descendants: descendants
      };
    }
  );
  
  /**
   * LinkTargets.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This module is enables you to get anything that you can link to in a element.
   *
   * @private
   * @class tinymce.ui.LinkTargets
   */
  define(
    'tinymce.ui.content.LinkTargets',
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'ephox.katamari.api.Id',
      'ephox.sugar.api.node.Element',
      'ephox.sugar.api.search.SelectorFilter',
      'tinymce.core.dom.DOMUtils',
      'tinymce.core.util.Tools'
    ],
    function (Arr, Fun, Id, Element, SelectorFilter, DOMUtils, Tools) {
      var trim = Tools.trim;
      var hasContentEditableState = function (value) {
        return function (node) {
          if (node && node.nodeType === 1) {
            if (node.contentEditable === value) {
              return true;
            }
  
            if (node.getAttribute('data-mce-contenteditable') === value) {
              return true;
            }
          }
  
          return false;
        };
      };
  
      var isContentEditableTrue = hasContentEditableState('true');
      var isContentEditableFalse = hasContentEditableState('false');
  
      var create = function (type, title, url, level, attach) {
        return {
          type: type,
          title: title,
          url: url,
          level: level,
          attach: attach
        };
      };
  
      var isChildOfContentEditableTrue = function (node) {
        while ((node = node.parentNode)) {
          var value = node.contentEditable;
          if (value && value !== 'inherit') {
            return isContentEditableTrue(node);
          }
        }
  
        return false;
      };
  
      var select = function (selector, root) {
        return Arr.map(SelectorFilter.descendants(Element.fromDom(root), selector), function (element) {
          return element.dom();
        });
      };
  
      var getElementText = function (elm) {
        return elm.innerText || elm.textContent;
      };
  
      var getOrGenerateId = function (elm) {
        return elm.id ? elm.id : Id.generate('h');
      };
  
      var isAnchor = function (elm) {
        return elm && elm.nodeName === 'A' && (elm.id || elm.name);
      };
  
      var isValidAnchor = function (elm) {
        return isAnchor(elm) && isEditable(elm);
      };
  
      var isHeader = function (elm) {
        return elm && /^(H[1-6])$/.test(elm.nodeName);
      };
  
      var isEditable = function (elm) {
        return isChildOfContentEditableTrue(elm) && !isContentEditableFalse(elm);
      };
  
      var isValidHeader = function (elm) {
        return isHeader(elm) && isEditable(elm);
      };
  
      var getLevel = function (elm) {
        return isHeader(elm) ? parseInt(elm.nodeName.substr(1), 10) : 0;
      };
  
      var headerTarget = function (elm) {
        var headerId = getOrGenerateId(elm);
  
        var attach = function () {
          elm.id = headerId;
        };
  
        return create('header', getElementText(elm), '#' + headerId, getLevel(elm), attach);
      };
  
      var anchorTarget = function (elm) {
        var anchorId = elm.id || elm.name;
        var anchorText = getElementText(elm);
  
        return create('anchor', anchorText ? anchorText : '#' + anchorId, '#' + anchorId, 0, Fun.noop);
      };
  
      var getHeaderTargets = function (elms) {
        return Arr.map(Arr.filter(elms, isValidHeader), headerTarget);
      };
  
      var getAnchorTargets = function (elms) {
        return Arr.map(Arr.filter(elms, isValidAnchor), anchorTarget);
      };
  
      var getTargetElements = function (elm) {
        var elms = select('h1,h2,h3,h4,h5,h6,a:not([href])', elm);
        return elms;
      };
  
      var hasTitle = function (target) {
        return trim(target.title).length > 0;
      };
  
      var find = function (elm) {
        var elms = getTargetElements(elm);
        return Arr.filter(getHeaderTargets(elms).concat(getAnchorTargets(elms)), hasTitle);
      };
  
      return {
        find: find
      };
    }
  );
  
  /**
   * FilePicker.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates a file picker control.
   *
   * @class tinymce.ui.FilePicker
   * @extends tinymce.ui.ComboBox
   */
  define(
    'tinymce.ui.FilePicker',
    [
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'global!window',
      'tinymce.ui.content.LinkTargets',
      'tinymce.core.EditorManager',
      'tinymce.ui.ComboBox',
      'tinymce.core.util.Tools'
    ],
    function (Arr, Fun, window, LinkTargets, EditorManager, ComboBox, Tools) {
      "use strict";
  
      var getActiveEditor = function () {
        return window.tinymce ? window.tinymce.activeEditor : EditorManager.activeEditor;
      };
  
      var history = {};
      var HISTORY_LENGTH = 5;
  
      var clearHistory = function () {
        history = {};
      };
  
      var toMenuItem = function (target) {
        return {
          title: target.title,
          value: {
            title: { raw: target.title },
            url: target.url,
            attach: target.attach
          }
        };
      };
  
      var toMenuItems = function (targets) {
        return Tools.map(targets, toMenuItem);
      };
  
      var staticMenuItem = function (title, url) {
        return {
          title: title,
          value: {
            title: title,
            url: url,
            attach: Fun.noop
          }
        };
      };
  
      var isUniqueUrl = function (url, targets) {
        var foundTarget = Arr.exists(targets, function (target) {
          return target.url === url;
        });
  
        return !foundTarget;
      };
  
      var getSetting = function (editorSettings, name, defaultValue) {
        var value = name in editorSettings ? editorSettings[name] : defaultValue;
        return value === false ? null : value;
      };
  
      var createMenuItems = function (term, targets, fileType, editorSettings) {
        var separator = { title: '-' };
  
        var fromHistoryMenuItems = function (history) {
          var historyItems = history.hasOwnProperty(fileType) ? history[fileType] : [ ];
          var uniqueHistory = Arr.filter(historyItems, function (url) {
            return isUniqueUrl(url, targets);
          });
  
          return Tools.map(uniqueHistory, function (url) {
            return {
              title: url,
              value: {
                title: url,
                url: url,
                attach: Fun.noop
              }
            };
          });
        };
  
        var fromMenuItems = function (type) {
          var filteredTargets = Arr.filter(targets, function (target) {
            return target.type === type;
          });
  
          return toMenuItems(filteredTargets);
        };
  
        var anchorMenuItems = function () {
          var anchorMenuItems = fromMenuItems('anchor');
          var topAnchor = getSetting(editorSettings, 'anchor_top', '#top');
          var bottomAchor = getSetting(editorSettings, 'anchor_bottom', '#bottom');
  
          if (topAnchor !== null) {
            anchorMenuItems.unshift(staticMenuItem('<top>', topAnchor));
          }
  
          if (bottomAchor !== null) {
            anchorMenuItems.push(staticMenuItem('<bottom>', bottomAchor));
          }
  
          return anchorMenuItems;
        };
  
        var join = function (items) {
          return Arr.foldl(items, function (a, b) {
            var bothEmpty = a.length === 0 || b.length === 0;
            return bothEmpty ? a.concat(b) : a.concat(separator, b);
          }, []);
        };
  
        if (editorSettings.typeahead_urls === false) {
          return [];
        }
  
        return fileType === 'file' ? join([
          filterByQuery(term, fromHistoryMenuItems(history)),
          filterByQuery(term, fromMenuItems('header')),
          filterByQuery(term, anchorMenuItems())
        ]) : filterByQuery(term, fromHistoryMenuItems(history));
      };
  
      var addToHistory = function (url, fileType) {
        var items = history[fileType];
  
        if (!/^https?/.test(url)) {
          return;
        }
  
        if (items) {
          if (Arr.indexOf(items, url) === -1) {
            history[fileType] = items.slice(0, HISTORY_LENGTH).concat(url);
          }
        } else {
          history[fileType] = [url];
        }
      };
  
      var filterByQuery = function (term, menuItems) {
        var lowerCaseTerm = term.toLowerCase();
        var result = Tools.grep(menuItems, function (item) {
          return item.title.toLowerCase().indexOf(lowerCaseTerm) !== -1;
        });
  
        return result.length === 1 && result[0].title === term ? [] : result;
      };
  
      var getTitle = function (linkDetails) {
        var title = linkDetails.title;
        return title.raw ? title.raw : title;
      };
  
      var setupAutoCompleteHandler = function (ctrl, editorSettings, bodyElm, fileType) {
        var autocomplete = function (term) {
          var linkTargets = LinkTargets.find(bodyElm);
          var menuItems = createMenuItems(term, linkTargets, fileType, editorSettings);
          ctrl.showAutoComplete(menuItems, term);
        };
  
        ctrl.on('autocomplete', function () {
          autocomplete(ctrl.value());
        });
  
        ctrl.on('selectitem', function (e) {
          var linkDetails = e.value;
  
          ctrl.value(linkDetails.url);
          var title = getTitle(linkDetails);
  
          if (fileType === 'image') {
            ctrl.fire('change', { meta: { alt: title, attach: linkDetails.attach } });
          } else {
            ctrl.fire('change', { meta: { text: title, attach: linkDetails.attach } });
          }
  
          ctrl.focus();
        });
  
        ctrl.on('click', function (e) {
          if (ctrl.value().length === 0 && e.target.nodeName === 'INPUT') {
            autocomplete('');
          }
        });
  
        ctrl.on('PostRender', function () {
          ctrl.getRoot().on('submit', function (e) {
            if (!e.isDefaultPrevented()) {
              addToHistory(ctrl.value(), fileType);
            }
          });
        });
      };
  
      var statusToUiState = function (result) {
        var status = result.status, message = result.message;
  
        if (status === 'valid') {
          return { status: 'ok', message: message };
        } else if (status === 'unknown') {
          return { status: 'warn', message: message };
        } else if (status === 'invalid') {
          return { status: 'warn', message: message };
        } else {
          return { status: 'none', message: '' };
        }
      };
  
      var setupLinkValidatorHandler = function (ctrl, editorSettings, fileType) {
        var validatorHandler = editorSettings.filepicker_validator_handler;
        if (validatorHandler) {
          var validateUrl = function (url) {
            if (url.length === 0) {
              ctrl.statusLevel('none');
              return;
            }
  
            validatorHandler({
              url: url,
              type: fileType
            }, function (result) {
              var uiState = statusToUiState(result);
  
              ctrl.statusMessage(uiState.message);
              ctrl.statusLevel(uiState.status);
            });
          };
  
          ctrl.state.on('change:value', function (e) {
            validateUrl(e.value);
          });
        }
      };
  
      return ComboBox.extend({
        Statics: {
          clearHistory: clearHistory
        },
  
        /**
         * Constructs a new control instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          var self = this, editor = getActiveEditor(), editorSettings = editor.settings;
          var actionCallback, fileBrowserCallback, fileBrowserCallbackTypes;
          var fileType = settings.filetype;
  
          settings.spellcheck = false;
  
          fileBrowserCallbackTypes = editorSettings.file_picker_types || editorSettings.file_browser_callback_types;
          if (fileBrowserCallbackTypes) {
            fileBrowserCallbackTypes = Tools.makeMap(fileBrowserCallbackTypes, /[, ]/);
          }
  
          if (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType]) {
            fileBrowserCallback = editorSettings.file_picker_callback;
            if (fileBrowserCallback && (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType])) {
              actionCallback = function () {
                var meta = self.fire('beforecall').meta;
  
                meta = Tools.extend({ filetype: fileType }, meta);
  
                // file_picker_callback(callback, currentValue, metaData)
                fileBrowserCallback.call(
                  editor,
                  function (value, meta) {
                    self.value(value).fire('change', { meta: meta });
                  },
                  self.value(),
                  meta
                );
              };
            } else {
              // Legacy callback: file_picker_callback(id, currentValue, filetype, window)
              fileBrowserCallback = editorSettings.file_browser_callback;
              if (fileBrowserCallback && (!fileBrowserCallbackTypes || fileBrowserCallbackTypes[fileType])) {
                actionCallback = function () {
                  fileBrowserCallback(
                    self.getEl('inp').id,
                    self.value(),
                    fileType,
                    window
                  );
                };
              }
            }
          }
  
          if (actionCallback) {
            settings.icon = 'browse';
            settings.onaction = actionCallback;
          }
  
          self._super(settings);
  
          setupAutoCompleteHandler(self, editorSettings, editor.getBody(), fileType);
          setupLinkValidatorHandler(self, editorSettings, fileType);
        }
      });
    }
  );
  /**
   * FitLayout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This layout manager will resize the control to be the size of it's parent container.
   * In other words width: 100% and height: 100%.
   *
   * @-x-less FitLayout.less
   * @class tinymce.ui.FitLayout
   * @extends tinymce.ui.AbsoluteLayout
   */
  define(
    'tinymce.ui.FitLayout',
    [
      "tinymce.ui.AbsoluteLayout"
    ],
    function (AbsoluteLayout) {
      "use strict";
  
      return AbsoluteLayout.extend({
        /**
         * Recalculates the positions of the controls in the specified container.
         *
         * @method recalc
         * @param {tinymce.ui.Container} container Container instance to recalc.
         */
        recalc: function (container) {
          var contLayoutRect = container.layoutRect(), paddingBox = container.paddingBox;
  
          container.items().filter(':visible').each(function (ctrl) {
            ctrl.layoutRect({
              x: paddingBox.left,
              y: paddingBox.top,
              w: contLayoutRect.innerW - paddingBox.right - paddingBox.left,
              h: contLayoutRect.innerH - paddingBox.top - paddingBox.bottom
            });
  
            if (ctrl.recalc) {
              ctrl.recalc();
            }
          });
        }
      });
    }
  );
  /**
   * FlexLayout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This layout manager works similar to the CSS flex box.
   *
   * @setting {String} direction row|row-reverse|column|column-reverse
   * @setting {Number} flex A positive-number to flex by.
   * @setting {String} align start|end|center|stretch
   * @setting {String} pack start|end|justify
   *
   * @class tinymce.ui.FlexLayout
   * @extends tinymce.ui.AbsoluteLayout
   */
  define(
    'tinymce.ui.FlexLayout',
    [
      "tinymce.ui.AbsoluteLayout"
    ],
    function (AbsoluteLayout) {
      "use strict";
  
      return AbsoluteLayout.extend({
        /**
         * Recalculates the positions of the controls in the specified container.
         *
         * @method recalc
         * @param {tinymce.ui.Container} container Container instance to recalc.
         */
        recalc: function (container) {
          // A ton of variables, needs to be in the same scope for performance
          var i, l, items, contLayoutRect, contPaddingBox, contSettings, align, pack, spacing, totalFlex, availableSpace, direction;
          var ctrl, ctrlLayoutRect, ctrlSettings, flex, maxSizeItems = [], size, maxSize, ratio, rect, pos, maxAlignEndPos;
          var sizeName, minSizeName, posName, maxSizeName, beforeName, innerSizeName, deltaSizeName, contentSizeName;
          var alignAxisName, alignInnerSizeName, alignSizeName, alignMinSizeName, alignBeforeName, alignAfterName;
          var alignDeltaSizeName, alignContentSizeName;
          var max = Math.max, min = Math.min;
  
          // Get container items, properties and settings
          items = container.items().filter(':visible');
          contLayoutRect = container.layoutRect();
          contPaddingBox = container.paddingBox;
          contSettings = container.settings;
          direction = container.isRtl() ? (contSettings.direction || 'row-reversed') : contSettings.direction;
          align = contSettings.align;
          pack = container.isRtl() ? (contSettings.pack || 'end') : contSettings.pack;
          spacing = contSettings.spacing || 0;
  
          if (direction == "row-reversed" || direction == "column-reverse") {
            items = items.set(items.toArray().reverse());
            direction = direction.split('-')[0];
          }
  
          // Setup axis variable name for row/column direction since the calculations is the same
          if (direction == "column") {
            posName = "y";
            sizeName = "h";
            minSizeName = "minH";
            maxSizeName = "maxH";
            innerSizeName = "innerH";
            beforeName = 'top';
            deltaSizeName = "deltaH";
            contentSizeName = "contentH";
  
            alignBeforeName = "left";
            alignSizeName = "w";
            alignAxisName = "x";
            alignInnerSizeName = "innerW";
            alignMinSizeName = "minW";
            alignAfterName = "right";
            alignDeltaSizeName = "deltaW";
            alignContentSizeName = "contentW";
          } else {
            posName = "x";
            sizeName = "w";
            minSizeName = "minW";
            maxSizeName = "maxW";
            innerSizeName = "innerW";
            beforeName = 'left';
            deltaSizeName = "deltaW";
            contentSizeName = "contentW";
  
            alignBeforeName = "top";
            alignSizeName = "h";
            alignAxisName = "y";
            alignInnerSizeName = "innerH";
            alignMinSizeName = "minH";
            alignAfterName = "bottom";
            alignDeltaSizeName = "deltaH";
            alignContentSizeName = "contentH";
          }
  
          // Figure out total flex, availableSpace and collect any max size elements
          availableSpace = contLayoutRect[innerSizeName] - contPaddingBox[beforeName] - contPaddingBox[beforeName];
          maxAlignEndPos = totalFlex = 0;
          for (i = 0, l = items.length; i < l; i++) {
            ctrl = items[i];
            ctrlLayoutRect = ctrl.layoutRect();
            ctrlSettings = ctrl.settings;
            flex = ctrlSettings.flex;
            availableSpace -= (i < l - 1 ? spacing : 0);
  
            if (flex > 0) {
              totalFlex += flex;
  
              // Flexed item has a max size then we need to check if we will hit that size
              if (ctrlLayoutRect[maxSizeName]) {
                maxSizeItems.push(ctrl);
              }
  
              ctrlLayoutRect.flex = flex;
            }
  
            availableSpace -= ctrlLayoutRect[minSizeName];
  
            // Calculate the align end position to be used to check for overflow/underflow
            size = contPaddingBox[alignBeforeName] + ctrlLayoutRect[alignMinSizeName] + contPaddingBox[alignAfterName];
            if (size > maxAlignEndPos) {
              maxAlignEndPos = size;
            }
          }
  
          // Calculate minW/minH
          rect = {};
          if (availableSpace < 0) {
            rect[minSizeName] = contLayoutRect[minSizeName] - availableSpace + contLayoutRect[deltaSizeName];
          } else {
            rect[minSizeName] = contLayoutRect[innerSizeName] - availableSpace + contLayoutRect[deltaSizeName];
          }
  
          rect[alignMinSizeName] = maxAlignEndPos + contLayoutRect[alignDeltaSizeName];
  
          rect[contentSizeName] = contLayoutRect[innerSizeName] - availableSpace;
          rect[alignContentSizeName] = maxAlignEndPos;
          rect.minW = min(rect.minW, contLayoutRect.maxW);
          rect.minH = min(rect.minH, contLayoutRect.maxH);
          rect.minW = max(rect.minW, contLayoutRect.startMinWidth);
          rect.minH = max(rect.minH, contLayoutRect.startMinHeight);
  
          // Resize container container if minSize was changed
          if (contLayoutRect.autoResize && (rect.minW != contLayoutRect.minW || rect.minH != contLayoutRect.minH)) {
            rect.w = rect.minW;
            rect.h = rect.minH;
  
            container.layoutRect(rect);
            this.recalc(container);
  
            // Forced recalc for example if items are hidden/shown
            if (container._lastRect === null) {
              var parentCtrl = container.parent();
              if (parentCtrl) {
                parentCtrl._lastRect = null;
                parentCtrl.recalc();
              }
            }
  
            return;
          }
  
          // Handle max size elements, check if they will become to wide with current options
          ratio = availableSpace / totalFlex;
          for (i = 0, l = maxSizeItems.length; i < l; i++) {
            ctrl = maxSizeItems[i];
            ctrlLayoutRect = ctrl.layoutRect();
            maxSize = ctrlLayoutRect[maxSizeName];
            size = ctrlLayoutRect[minSizeName] + ctrlLayoutRect.flex * ratio;
  
            if (size > maxSize) {
              availableSpace -= (ctrlLayoutRect[maxSizeName] - ctrlLayoutRect[minSizeName]);
              totalFlex -= ctrlLayoutRect.flex;
              ctrlLayoutRect.flex = 0;
              ctrlLayoutRect.maxFlexSize = maxSize;
            } else {
              ctrlLayoutRect.maxFlexSize = 0;
            }
          }
  
          // Setup new ratio, target layout rect, start position
          ratio = availableSpace / totalFlex;
          pos = contPaddingBox[beforeName];
          rect = {};
  
          // Handle pack setting moves the start position to end, center
          if (totalFlex === 0) {
            if (pack == "end") {
              pos = availableSpace + contPaddingBox[beforeName];
            } else if (pack == "center") {
              pos = Math.round(
                (contLayoutRect[innerSizeName] / 2) - ((contLayoutRect[innerSizeName] - availableSpace) / 2)
              ) + contPaddingBox[beforeName];
  
              if (pos < 0) {
                pos = contPaddingBox[beforeName];
              }
            } else if (pack == "justify") {
              pos = contPaddingBox[beforeName];
              spacing = Math.floor(availableSpace / (items.length - 1));
            }
          }
  
          // Default aligning (start) the other ones needs to be calculated while doing the layout
          rect[alignAxisName] = contPaddingBox[alignBeforeName];
  
          // Start laying out controls
          for (i = 0, l = items.length; i < l; i++) {
            ctrl = items[i];
            ctrlLayoutRect = ctrl.layoutRect();
            size = ctrlLayoutRect.maxFlexSize || ctrlLayoutRect[minSizeName];
  
            // Align the control on the other axis
            if (align === "center") {
              rect[alignAxisName] = Math.round((contLayoutRect[alignInnerSizeName] / 2) - (ctrlLayoutRect[alignSizeName] / 2));
            } else if (align === "stretch") {
              rect[alignSizeName] = max(
                ctrlLayoutRect[alignMinSizeName] || 0,
                contLayoutRect[alignInnerSizeName] - contPaddingBox[alignBeforeName] - contPaddingBox[alignAfterName]
              );
              rect[alignAxisName] = contPaddingBox[alignBeforeName];
            } else if (align === "end") {
              rect[alignAxisName] = contLayoutRect[alignInnerSizeName] - ctrlLayoutRect[alignSizeName] - contPaddingBox.top;
            }
  
            // Calculate new size based on flex
            if (ctrlLayoutRect.flex > 0) {
              size += ctrlLayoutRect.flex * ratio;
            }
  
            rect[sizeName] = size;
            rect[posName] = pos;
            ctrl.layoutRect(rect);
  
            // Recalculate containers
            if (ctrl.recalc) {
              ctrl.recalc();
            }
  
            // Move x/y position
            pos += size + spacing;
          }
        }
      });
    }
  );
  /**
   * FlowLayout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This layout manager will place the controls by using the browsers native layout.
   *
   * @-x-less FlowLayout.less
   * @class tinymce.ui.FlowLayout
   * @extends tinymce.ui.Layout
   */
  define(
    'tinymce.ui.FlowLayout',
    [
      "tinymce.ui.Layout"
    ],
    function (Layout) {
      return Layout.extend({
        Defaults: {
          containerClass: 'flow-layout',
          controlClass: 'flow-layout-item',
          endClass: 'break'
        },
  
        /**
         * Recalculates the positions of the controls in the specified container.
         *
         * @method recalc
         * @param {tinymce.ui.Container} container Container instance to recalc.
         */
        recalc: function (container) {
          container.items().filter(':visible').each(function (ctrl) {
            if (ctrl.recalc) {
              ctrl.recalc();
            }
          });
        },
  
        isNative: function () {
          return true;
        }
      });
    }
  );
  define(
    'ephox.sugar.impl.ClosestOrAncestor',
  
    [
      'ephox.katamari.api.Type',
      'ephox.katamari.api.Option'
    ],
  
    function (Type, Option) {
      return function (is, ancestor, scope, a, isRoot) {
        return is(scope, a) ?
                Option.some(scope) :
                Type.isFunction(isRoot) && isRoot(scope) ?
                    Option.none() :
                    ancestor(scope, a, isRoot);
      };
    }
  );
  define(
    'ephox.sugar.api.search.PredicateFind',
  
    [
      'ephox.katamari.api.Type',
      'ephox.katamari.api.Arr',
      'ephox.katamari.api.Fun',
      'ephox.katamari.api.Option',
      'ephox.sugar.api.node.Body',
      'ephox.sugar.api.dom.Compare',
      'ephox.sugar.api.node.Element',
      'ephox.sugar.impl.ClosestOrAncestor'
    ],
  
    function (Type, Arr, Fun, Option, Body, Compare, Element, ClosestOrAncestor) {
      var first = function (predicate) {
        return descendant(Body.body(), predicate);
      };
  
      var ancestor = function (scope, predicate, isRoot) {
        var element = scope.dom();
        var stop = Type.isFunction(isRoot) ? isRoot : Fun.constant(false);
  
        while (element.parentNode) {
          element = element.parentNode;
          var el = Element.fromDom(element);
  
          if (predicate(el)) return Option.some(el);
          else if (stop(el)) break;
        }
        return Option.none();
      };
  
      var closest = function (scope, predicate, isRoot) {
        // This is required to avoid ClosestOrAncestor passing the predicate to itself
        var is = function (scope) {
          return predicate(scope);
        };
        return ClosestOrAncestor(is, ancestor, scope, predicate, isRoot);
      };
  
      var sibling = function (scope, predicate) {
        var element = scope.dom();
        if (!element.parentNode) return Option.none();
  
        return child(Element.fromDom(element.parentNode), function (x) {
          return !Compare.eq(scope, x) && predicate(x);
        });
      };
  
      var child = function (scope, predicate) {
        var result = Arr.find(scope.dom().childNodes,
          Fun.compose(predicate, Element.fromDom));
        return result.map(Element.fromDom);
      };
  
      var descendant = function (scope, predicate) {
        var descend = function (element) {
          for (var i = 0; i < element.childNodes.length; i++) {
            if (predicate(Element.fromDom(element.childNodes[i])))
              return Option.some(Element.fromDom(element.childNodes[i]));
  
            var res = descend(element.childNodes[i]);
            if (res.isSome())
              return res;
          }
  
          return Option.none();
        };
  
        return descend(scope.dom());
      };
  
      return {
        first: first,
        ancestor: ancestor,
        closest: closest,
        sibling: sibling,
        child: child,
        descendant: descendant
      };
    }
  );
  
  define(
    'ephox.sugar.api.search.SelectorFind',
  
    [
      'ephox.sugar.api.search.PredicateFind',
      'ephox.sugar.api.search.Selectors',
      'ephox.sugar.impl.ClosestOrAncestor'
    ],
  
    function (PredicateFind, Selectors, ClosestOrAncestor) {
      // TODO: An internal SelectorFilter module that doesn't Element.fromDom() everything
  
      var first = function (selector) {
        return Selectors.one(selector);
      };
  
      var ancestor = function (scope, selector, isRoot) {
        return PredicateFind.ancestor(scope, function (e) {
          return Selectors.is(e, selector);
        }, isRoot);
      };
  
      var sibling = function (scope, selector) {
        return PredicateFind.sibling(scope, function (e) {
          return Selectors.is(e, selector);
        });
      };
  
      var child = function (scope, selector) {
        return PredicateFind.child(scope, function (e) {
          return Selectors.is(e, selector);
        });
      };
  
      var descendant = function (scope, selector) {
        return Selectors.one(selector, scope);
      };
  
      // Returns Some(closest ancestor element (sugared)) matching 'selector' up to isRoot, or None() otherwise
      var closest = function (scope, selector, isRoot) {
        return ClosestOrAncestor(Selectors.is, ancestor, scope, selector, isRoot);
      };
  
      return {
        first: first,
        ancestor: ancestor,
        sibling: sibling,
        child: child,
        descendant: descendant,
        closest: closest
      };
    }
  );
  
  /**
   * FormatUtils.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.FormatUtils',
    [
    ],
    function () {
      var toggleFormat = function (editor, fmt) {
        return function () {
          editor.execCommand('mceToggleFormat', false, fmt);
        };
      };
  
      var postRenderFormat = function (editor, name) {
        return function () {
          var self = this;
  
          // TODO: Fix this
          if (editor.formatter) {
            editor.formatter.formatChanged(name, function (state) {
              self.active(state);
            });
          } else {
            editor.on('init', function () {
              editor.formatter.formatChanged(name, function (state) {
                self.active(state);
              });
            });
          }
        };
      };
  
      return {
        toggleFormat: toggleFormat,
        postRenderFormat: postRenderFormat
      };
    }
  );
  
  /**
   * Align.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.Align',
    [
      'tinymce.core.util.Tools',
      'tinymce.ui.editorui.FormatUtils'
    ],
    function (Tools, FormatUtils) {
      var register = function (editor) {
        editor.addMenuItem('align', {
          text: 'Align',
          menu: [
            { text: 'Left', icon: 'alignleft', onclick: FormatUtils.toggleFormat(editor, 'alignleft') },
            { text: 'Center', icon: 'aligncenter', onclick: FormatUtils.toggleFormat(editor, 'aligncenter') },
            { text: 'Right', icon: 'alignright', onclick: FormatUtils.toggleFormat(editor, 'alignright') },
            { text: 'Justify', icon: 'alignjustify', onclick: FormatUtils.toggleFormat(editor, 'alignjustify') }
          ]
        });
  
        Tools.each({
          alignleft: ['Align left', 'JustifyLeft'],
          aligncenter: ['Align center', 'JustifyCenter'],
          alignright: ['Align right', 'JustifyRight'],
          alignjustify: ['Justify', 'JustifyFull'],
          alignnone: ['No alignment', 'JustifyNone']
        }, function (item, name) {
          editor.addButton(name, {
            tooltip: item[0],
            cmd: item[1],
            onPostRender: FormatUtils.postRenderFormat(editor, name)
          });
        });
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * FontInfo.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Internal class for computing font size for elements.
   *
   * @private
   * @class tinymce.fmt.FontInfo
   */
  define(
    'tinymce.ui.fmt.FontInfo',
    [
      'ephox.katamari.api.Fun',
      'ephox.katamari.api.Option',
      'ephox.sugar.api.node.Element',
      'ephox.sugar.api.node.Node',
      'tinymce.core.dom.DOMUtils'
    ],
    function (Fun, Option, Element, Node, DOMUtils) {
      var getSpecifiedFontProp = function (propName, rootElm, elm) {
        while (elm !== rootElm) {
          if (elm.style[propName]) {
            var foundStyle = elm.style[propName];
            return foundStyle !== '' ? Option.some(foundStyle) : Option.none();
          }
          elm = elm.parentNode;
        }
        return Option.none();
      };
  
      var toPt = function (fontSize) {
        if (/[0-9.]+px$/.test(fontSize)) {
          return Math.round(parseInt(fontSize, 10) * 72 / 96) + 'pt';
        }
  
        return fontSize;
      };
  
      var normalizeFontFamily = function (fontFamily) {
        // 'Font name', Font -> Font name,Font
        return fontFamily.replace(/[\'\"]/g, '').replace(/,\s+/g, ',');
      };
  
      var getComputedFontProp = function (propName, elm) {
        return Option.from(DOMUtils.DOM.getStyle(elm, propName, true));
      };
  
      var getFontProp = function (propName) {
        return function (rootElm, elm) {
          return Option.from(elm)
            .map(Element.fromDom)
            .filter(Node.isElement)
            .bind(function (element) {
              return getSpecifiedFontProp(propName, rootElm, element.dom())
                .or(getComputedFontProp(propName, element.dom()));
            })
            .getOr('');
        };
      };
  
      return {
        getFontSize: getFontProp('fontSize'),
        getFontFamily: Fun.compose(normalizeFontFamily, getFontProp('fontFamily')),
        toPt: toPt
      };
    }
  );
  
  /**
   * FontSelect.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.FontSelect',
    [
      'tinymce.core.util.Tools',
      'tinymce.ui.fmt.FontInfo'
    ],
    function (Tools, FontInfo) {
      var getFirstFont = function (fontFamily) {
        return fontFamily ? fontFamily.split(',')[0] : '';
      };
  
      var findMatchingValue = function (items, fontFamily) {
        var value;
  
        Tools.each(items, function (item) {
          if (item.value.toLowerCase() === fontFamily.toLowerCase()) {
            value = item.value;
          }
        });
  
        Tools.each(items, function (item) {
          if (!value && getFirstFont(item.value).toLowerCase() === getFirstFont(fontFamily).toLowerCase()) {
            value = item.value;
          }
        });
  
        return value;
      };
  
      var createFontNameListBoxChangeHandler = function (editor, items) {
        return function () {
          var self = this;
  
          editor.on('init nodeChange', function (e) {
            var fontFamily = FontInfo.getFontFamily(editor.getBody(), e.element);
            var match = findMatchingValue(items, fontFamily);
  
            self.value(match ? match : null);
  
            if (!match && fontFamily) {
              self.text(getFirstFont(fontFamily));
            }
          });
        };
      };
  
      var createFormats = function (formats) {
        formats = formats.replace(/;$/, '').split(';');
  
        var i = formats.length;
        while (i--) {
          formats[i] = formats[i].split('=');
        }
  
        return formats;
      };
  
      var getFontItems = function (editor) {
        var defaultFontsFormats = (
          'Andale Mono=andale mono,monospace;' +
          'Arial=arial,helvetica,sans-serif;' +
          'Arial Black=arial black,sans-serif;' +
          'Book Antiqua=book antiqua,palatino,serif;' +
          'Comic Sans MS=comic sans ms,sans-serif;' +
          'Courier New=courier new,courier,monospace;' +
          'Georgia=georgia,palatino,serif;' +
          'Helvetica=helvetica,arial,sans-serif;' +
          'Impact=impact,sans-serif;' +
          'Symbol=symbol;' +
          'Tahoma=tahoma,arial,helvetica,sans-serif;' +
          'Terminal=terminal,monaco,monospace;' +
          'Times New Roman=times new roman,times,serif;' +
          'Trebuchet MS=trebuchet ms,geneva,sans-serif;' +
          'Verdana=verdana,geneva,sans-serif;' +
          'Webdings=webdings;' +
          'Wingdings=wingdings,zapf dingbats'
        );
  
        var fonts = createFormats(editor.settings.font_formats || defaultFontsFormats);
  
        return Tools.map(fonts, function (font) {
          return {
            text: { raw: font[0] },
            value: font[1],
            textStyle: font[1].indexOf('dings') === -1 ? 'font-family:' + font[1] : ''
          };
        });
      };
  
      var registerButtons = function (editor) {
        editor.addButton('fontselect', function () {
          var items = getFontItems(editor);
  
          return {
            type: 'listbox',
            text: 'Font Family',
            tooltip: 'Font Family',
            values: items,
            fixedWidth: true,
            onPostRender: createFontNameListBoxChangeHandler(editor, items),
            onselect: function (e) {
              if (e.control.settings.value) {
                editor.execCommand('FontName', false, e.control.settings.value);
              }
            }
          };
        });
      };
  
      var register = function (editor) {
        registerButtons(editor);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * FontSizeSelect.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.FontSizeSelect',
    [
      'tinymce.core.util.Tools',
      'tinymce.ui.fmt.FontInfo'
    ],
    function (Tools, FontInfo) {
      var findMatchingValue = function (items, pt, px) {
        var value ;
  
        Tools.each(items, function (item) {
          if (item.value === px) {
            value = px;
          } else if (item.value === pt) {
            value = pt;
          }
        });
  
        return value;
      };
  
      var createFontSizeListBoxChangeHandler = function (editor, items) {
        return function () {
          var self = this;
  
          editor.on('init nodeChange', function (e) {
            var px, pt;
  
            px = FontInfo.getFontSize(editor.getBody(), e.element);
            pt = FontInfo.toPt(px);
  
            var match = findMatchingValue(items, pt, px);
            self.value(match ? match : null);
  
            if (!match) {
              self.text(pt);
            }
          });
        };
      };
  
      var getFontSizeItems = function (editor) {
        var defaultFontsizeFormats = '8pt 10pt 12pt 14pt 18pt 24pt 36pt';
        var fontsizeFormats = editor.settings.fontsize_formats || defaultFontsizeFormats;
  
        return Tools.map(fontsizeFormats.split(' '), function (item) {
          var text = item, value = item;
          // Allow text=value font sizes.
          var values = item.split('=');
          if (values.length > 1) {
            text = values[0];
            value = values[1];
          }
  
          return { text: text, value: value };
        });
      };
  
      var registerButtons = function (editor) {
        editor.addButton('fontsizeselect', function () {
          var items = getFontSizeItems(editor);
  
          return {
            type: 'listbox',
            text: 'Font Sizes',
            tooltip: 'Font Sizes',
            values: items,
            fixedWidth: true,
            onPostRender: createFontSizeListBoxChangeHandler(editor, items),
            onclick: function (e) {
              if (e.control.settings.value) {
                editor.execCommand('FontSize', false, e.control.settings.value);
              }
            }
          };
        });
      };
  
      var register = function (editor) {
        registerButtons(editor);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * FormatSelect.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.FormatSelect',
    [
      'tinymce.core.util.Tools',
      'tinymce.ui.editorui.FormatUtils'
    ],
    function (Tools, FormatUtils) {
      var defaultBlocks = (
        'Paragraph=p;' +
        'Heading 1=h1;' +
        'Heading 2=h2;' +
        'Heading 3=h3;' +
        'Heading 4=h4;' +
        'Heading 5=h5;' +
        'Heading 6=h6;' +
        'Preformatted=pre'
      );
  
      var createFormats = function (formats) {
        formats = formats.replace(/;$/, '').split(';');
  
        var i = formats.length;
        while (i--) {
          formats[i] = formats[i].split('=');
        }
  
        return formats;
      };
  
      var createListBoxChangeHandler = function (editor, items, formatName) {
        return function () {
          var self = this;
  
          editor.on('nodeChange', function (e) {
            var formatter = editor.formatter;
            var value = null;
  
            Tools.each(e.parents, function (node) {
              Tools.each(items, function (item) {
                if (formatName) {
                  if (formatter.matchNode(node, formatName, { value: item.value })) {
                    value = item.value;
                  }
                } else {
                  if (formatter.matchNode(node, item.value)) {
                    value = item.value;
                  }
                }
  
                if (value) {
                  return false;
                }
              });
  
              if (value) {
                return false;
              }
            });
  
            self.value(value);
          });
        };
      };
  
      var lazyFormatSelectBoxItems = function (editor, blocks) {
        return function () {
          var items = [];
  
          Tools.each(blocks, function (block) {
            items.push({
              text: block[0],
              value: block[1],
              textStyle: function () {
                return editor.formatter.getCssText(block[1]);
              }
            });
          });
  
          return {
            type: 'listbox',
            text: blocks[0][0],
            values: items,
            fixedWidth: true,
            onselect: function (e) {
              if (e.control) {
                var fmt = e.control.value();
                FormatUtils.toggleFormat(editor, fmt)();
              }
            },
            onPostRender: createListBoxChangeHandler(editor, items)
          };
        };
      };
  
      var buildMenuItems = function (editor, blocks) {
        return Tools.map(blocks, function (block) {
          return {
            text: block[0],
            onclick: FormatUtils.toggleFormat(editor, block[1]),
            textStyle: function () {
              return editor.formatter.getCssText(block[1]);
            }
          };
        });
      };
  
      var register = function (editor) {
        var blocks = createFormats(editor.settings.block_formats || defaultBlocks);
  
        editor.addMenuItem('blockformats', {
          text: 'Blocks',
          menu: buildMenuItems(editor, blocks)
        });
  
        editor.addButton('formatselect', lazyFormatSelectBoxItems(editor, blocks));
      };
  
      return {
        register: register
      };
    }
  );
  
  
  /**
   * Formats.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.Formats',
    [
      'tinymce.core.util.Tools',
      'tinymce.ui.editorui.FormatUtils'
    ],
    function (Tools, FormatUtils) {
      var hideMenuObjects = function (editor, menu) {
        var count = menu.length;
  
        Tools.each(menu, function (item) {
          if (item.menu) {
            item.hidden = hideMenuObjects(editor, item.menu) === 0;
          }
  
          var formatName = item.format;
          if (formatName) {
            item.hidden = !editor.formatter.canApply(formatName);
          }
  
          if (item.hidden) {
            count--;
          }
        });
  
        return count;
      };
  
      var hideFormatMenuItems = function (editor, menu) {
        var count = menu.items().length;
  
        menu.items().each(function (item) {
          if (item.menu) {
            item.visible(hideFormatMenuItems(editor, item.menu) > 0);
          }
  
          if (!item.menu && item.settings.menu) {
            item.visible(hideMenuObjects(editor, item.settings.menu) > 0);
          }
  
          var formatName = item.settings.format;
          if (formatName) {
            item.visible(editor.formatter.canApply(formatName));
          }
  
          if (!item.visible()) {
            count--;
          }
        });
  
        return count;
      };
  
      var createFormatMenu = function (editor) {
        var count = 0, newFormats = [];
  
        var defaultStyleFormats = [
          {
            title: 'Headings', items: [
              { title: 'Heading 1', format: 'h1' },
              { title: 'Heading 2', format: 'h2' },
              { title: 'Heading 3', format: 'h3' },
              { title: 'Heading 4', format: 'h4' },
              { title: 'Heading 5', format: 'h5' },
              { title: 'Heading 6', format: 'h6' }
            ]
          },
  
          {
            title: 'Inline', items: [
              { title: 'Bold', icon: 'bold', format: 'bold' },
              { title: 'Italic', icon: 'italic', format: 'italic' },
              { title: 'Underline', icon: 'underline', format: 'underline' },
              { title: 'Strikethrough', icon: 'strikethrough', format: 'strikethrough' },
              { title: 'Superscript', icon: 'superscript', format: 'superscript' },
              { title: 'Subscript', icon: 'subscript', format: 'subscript' },
              { title: 'Code', icon: 'code', format: 'code' }
            ]
          },
  
          {
            title: 'Blocks', items: [
              { title: 'Paragraph', format: 'p' },
              { title: 'Blockquote', format: 'blockquote' },
              { title: 'Div', format: 'div' },
              { title: 'Pre', format: 'pre' }
            ]
          },
  
          {
            title: 'Alignment', items: [
              { title: 'Left', icon: 'alignleft', format: 'alignleft' },
              { title: 'Center', icon: 'aligncenter', format: 'aligncenter' },
              { title: 'Right', icon: 'alignright', format: 'alignright' },
              { title: 'Justify', icon: 'alignjustify', format: 'alignjustify' }
            ]
          }
        ];
  
        var createMenu = function (formats) {
          var menu = [];
  
          if (!formats) {
            return;
          }
  
          Tools.each(formats, function (format) {
            var menuItem = {
              text: format.title,
              icon: format.icon
            };
  
            if (format.items) {
              menuItem.menu = createMenu(format.items);
            } else {
              var formatName = format.format || "custom" + count++;
  
              if (!format.format) {
                format.name = formatName;
                newFormats.push(format);
              }
  
              menuItem.format = formatName;
              menuItem.cmd = format.cmd;
            }
  
            menu.push(menuItem);
          });
  
          return menu;
        };
  
        var createStylesMenu = function () {
          var menu;
  
          if (editor.settings.style_formats_merge) {
            if (editor.settings.style_formats) {
              menu = createMenu(defaultStyleFormats.concat(editor.settings.style_formats));
            } else {
              menu = createMenu(defaultStyleFormats);
            }
          } else {
            menu = createMenu(editor.settings.style_formats || defaultStyleFormats);
          }
  
          return menu;
        };
  
        editor.on('init', function () {
          Tools.each(newFormats, function (format) {
            editor.formatter.register(format.name, format);
          });
        });
  
        return {
          type: 'menu',
          items: createStylesMenu(),
          onPostRender: function (e) {
            editor.fire('renderFormatsMenu', { control: e.control });
          },
          itemDefaults: {
            preview: true,
  
            textStyle: function () {
              if (this.settings.format) {
                return editor.formatter.getCssText(this.settings.format);
              }
            },
  
            onPostRender: function () {
              var self = this;
  
              self.parent().on('show', function () {
                var formatName, command;
  
                formatName = self.settings.format;
                if (formatName) {
                  self.disabled(!editor.formatter.canApply(formatName));
                  self.active(editor.formatter.match(formatName));
                }
  
                command = self.settings.cmd;
                if (command) {
                  self.active(editor.queryCommandState(command));
                }
              });
            },
  
            onclick: function () {
              if (this.settings.format) {
                FormatUtils.toggleFormat(editor, this.settings.format)();
              }
  
              if (this.settings.cmd) {
                editor.execCommand(this.settings.cmd);
              }
            }
          }
        };
      };
  
      var registerMenuItems = function (editor, formatMenu) {
        editor.addMenuItem('formats', {
          text: 'Formats',
          menu: formatMenu
        });
      };
  
      var registerButtons = function (editor, formatMenu) {
        editor.addButton('styleselect', {
          type: 'menubutton',
          text: 'Formats',
          menu: formatMenu,
          onShowMenu: function () {
            if (editor.settings.style_formats_autohide) {
              hideFormatMenuItems(editor, this.menu);
            }
          }
        });
      };
  
      var register = function (editor) {
        var formatMenu = createFormatMenu(editor);
  
        registerMenuItems(editor, formatMenu);
        registerButtons(editor, formatMenu);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * InsertButton.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.InsertButton',
    [
      'ephox.katamari.api.Arr',
      'tinymce.core.util.Tools'
    ],
    function (Arr, Tools) {
      var createCustomMenuItems = function (editor, names) {
        var items, nameList;
  
        if (typeof names === 'string') {
          nameList = names.split(' ');
        } else if (Tools.isArray(names)) {
          return Arr.flatten(Tools.map(names, function (names) {
            return createCustomMenuItems(editor, names);
          }));
        }
  
        items = Tools.grep(nameList, function (name) {
          return name === '|' || name in editor.menuItems;
        });
  
        return Tools.map(items, function (name) {
          return name === '|' ? { text: '-' } : editor.menuItems[name];
        });
      };
  
      var isSeparator = function (menuItem) {
        return menuItem && menuItem.text === '-';
      };
  
      var trimMenuItems = function (menuItems) {
        var menuItems2 = Arr.filter(menuItems, function (menuItem, i, menuItems) {
          return !isSeparator(menuItem) || !isSeparator(menuItems[i - 1]);
        });
  
        return Arr.filter(menuItems2, function (menuItem, i, menuItems) {
          return !isSeparator(menuItem) || i > 0 && i < menuItems.length - 1;
        });
      };
  
      var createContextMenuItems = function (editor, context) {
        var outputMenuItems = [{ text: '-' }];
        var menuItems = Tools.grep(editor.menuItems, function (menuItem) {
          return menuItem.context === context;
        });
  
        Tools.each(menuItems, function (menuItem) {
          if (menuItem.separator === 'before') {
            outputMenuItems.push({ text: '|' });
          }
  
          if (menuItem.prependToContext) {
            outputMenuItems.unshift(menuItem);
          } else {
            outputMenuItems.push(menuItem);
          }
  
          if (menuItem.separator === 'after') {
            outputMenuItems.push({ text: '|' });
          }
        });
  
        return outputMenuItems;
      };
  
      var createInsertMenu = function (editor) {
        var insertButtonItems = editor.settings.insert_button_items;
  
        if (insertButtonItems) {
          return trimMenuItems(createCustomMenuItems(editor, insertButtonItems));
        } else {
          return trimMenuItems(createContextMenuItems(editor, 'insert'));
        }
      };
  
      var registerButtons = function (editor) {
        editor.addButton('insert', {
          type: 'menubutton',
          icon: 'insert',
          menu: [],
          oncreatemenu: function () {
            this.menu.add(createInsertMenu(editor));
            this.menu.renderNew();
          }
        });
      };
  
      var register = function (editor) {
        registerButtons(editor);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * SimpleControls.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.SimpleControls',
    [
      'tinymce.core.util.Tools',
      'tinymce.ui.editorui.FormatUtils'
    ],
    function (Tools, FormatUtils) {
      var registerFormatButtons = function (editor) {
        Tools.each({
          bold: 'Bold',
          italic: 'Italic',
          underline: 'Underline',
          strikethrough: 'Strikethrough',
          subscript: 'Subscript',
          superscript: 'Superscript'
        }, function (text, name) {
          editor.addButton(name, {
            tooltip: text,
            onPostRender: FormatUtils.postRenderFormat(editor, name),
            onclick: FormatUtils.toggleFormat(editor, name)
          });
        });
      };
  
      var registerCommandButtons = function (editor) {
        Tools.each({
          outdent: ['Decrease indent', 'Outdent'],
          indent: ['Increase indent', 'Indent'],
          cut: ['Cut', 'Cut'],
          copy: ['Copy', 'Copy'],
          paste: ['Paste', 'Paste'],
          help: ['Help', 'mceHelp'],
          selectall: ['Select all', 'SelectAll'],
          visualaid: ['Visual aids', 'mceToggleVisualAid'],
          newdocument: ['New document', 'mceNewDocument'],
          removeformat: ['Clear formatting', 'RemoveFormat'],
          remove: ['Remove', 'Delete']
        }, function (item, name) {
          editor.addButton(name, {
            tooltip: item[0],
            cmd: item[1]
          });
        });
      };
  
      var registerCommandToggleButtons = function (editor) {
        Tools.each({
          blockquote: ['Blockquote', 'mceBlockQuote'],
          subscript: ['Subscript', 'Subscript'],
          superscript: ['Superscript', 'Superscript']
        }, function (item, name) {
          editor.addButton(name, {
            tooltip: item[0],
            cmd: item[1],
            onPostRender: FormatUtils.postRenderFormat(editor, name)
          });
        });
      };
  
      var registerButtons = function (editor) {
        registerFormatButtons(editor);
        registerCommandButtons(editor);
        registerCommandToggleButtons(editor);
      };
  
      var registerMenuItems = function (editor) {
        Tools.each({
          bold: ['Bold', 'Bold', 'Meta+B'],
          italic: ['Italic', 'Italic', 'Meta+I'],
          underline: ['Underline', 'Underline', 'Meta+U'],
          strikethrough: ['Strikethrough', 'Strikethrough'],
          subscript: ['Subscript', 'Subscript'],
          superscript: ['Superscript', 'Superscript'],
          removeformat: ['Clear formatting', 'RemoveFormat'],
          newdocument: ['New document', 'mceNewDocument'],
          cut: ['Cut', 'Cut', 'Meta+X'],
          copy: ['Copy', 'Copy', 'Meta+C'],
          paste: ['Paste', 'Paste', 'Meta+V'],
          selectall: ['Select all', 'SelectAll', 'Meta+A']
        }, function (item, name) {
          editor.addMenuItem(name, {
            text: item[0],
            icon: name,
            shortcut: item[2],
            cmd: item[1]
          });
        });
  
        editor.addMenuItem('codeformat', {
          text: 'Code',
          icon: 'code',
          onclick: FormatUtils.toggleFormat(editor, 'code')
        });
      };
  
      var register = function (editor) {
        registerButtons(editor);
        registerMenuItems(editor);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * UndoRedo.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.UndoRedo',
    [
    ],
    function () {
      var toggleUndoRedoState = function (editor, type) {
        return function () {
          var self = this;
  
          var checkState = function () {
            var typeFn = type === 'redo' ? 'hasRedo' : 'hasUndo';
            return editor.undoManager ? editor.undoManager[typeFn]() : false;
          };
  
          self.disabled(!checkState());
          editor.on('Undo Redo AddUndo TypingUndo ClearUndos SwitchMode', function () {
            self.disabled(editor.readonly || !checkState());
          });
        };
      };
  
      var registerMenuItems = function (editor) {
        editor.addMenuItem('undo', {
          text: 'Undo',
          icon: 'undo',
          shortcut: 'Meta+Z',
          onPostRender: toggleUndoRedoState(editor, 'undo'),
          cmd: 'undo'
        });
  
        editor.addMenuItem('redo', {
          text: 'Redo',
          icon: 'redo',
          shortcut: 'Meta+Y',
          onPostRender: toggleUndoRedoState(editor, 'redo'),
          cmd: 'redo'
        });
      };
  
      var registerButtons = function (editor) {
        editor.addButton('undo', {
          tooltip: 'Undo',
          onPostRender: toggleUndoRedoState(editor, 'undo'),
          cmd: 'undo'
        });
  
        editor.addButton('redo', {
          tooltip: 'Redo',
          onPostRender: toggleUndoRedoState(editor, 'redo'),
          cmd: 'redo'
        });
      };
  
      var register = function (editor) {
        registerMenuItems(editor);
        registerButtons(editor);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * VisualAid.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.editorui.VisualAid',
    [
    ],
    function () {
      var toggleVisualAidState = function (editor) {
        return function () {
          var self = this;
  
          editor.on('VisualAid', function (e) {
            self.active(e.hasVisual);
          });
  
          self.active(editor.hasVisual);
        };
      };
  
      var registerMenuItems = function (editor) {
        editor.addMenuItem('visualaid', {
          text: 'Visual aids',
          selectable: true,
          onPostRender: toggleVisualAidState(editor),
          cmd: 'mceToggleVisualAid'
        });
      };
  
      var register = function (editor) {
        registerMenuItems(editor);
      };
  
      return {
        register: register
      };
    }
  );
  
  /**
   * FormatControls.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.FormatControls',
    [
      'ephox.katamari.api.Fun',
      'ephox.sugar.api.node.Element',
      'ephox.sugar.api.search.SelectorFind',
      'global!document',
      'tinymce.core.EditorManager',
      'tinymce.core.Env',
      'tinymce.ui.Control',
      'tinymce.ui.FloatPanel',
      'tinymce.ui.Widget',
      'tinymce.ui.editorui.Align',
      'tinymce.ui.editorui.FontSelect',
      'tinymce.ui.editorui.FontSizeSelect',
      'tinymce.ui.editorui.FormatSelect',
      'tinymce.ui.editorui.Formats',
      'tinymce.ui.editorui.InsertButton',
      'tinymce.ui.editorui.SimpleControls',
      'tinymce.ui.editorui.UndoRedo',
      'tinymce.ui.editorui.VisualAid'
    ],
    function (
      Fun, Element, SelectorFind, document, EditorManager, Env, Control, FloatPanel, Widget, Align, FontSelect, FontSizeSelect, FormatSelect, Formats, InsertButton,
      SimpleControls, UndoRedo, VisualAid
    ) {
      var setupEnvironment = function () {
        Widget.tooltips = !Env.iOS;
  
        Control.translate = function (text) {
          return EditorManager.translate(text);
        };
      };
  
      var setupUiContainer = function (editor) {
        if (editor.settings.ui_container) {
          Env.container = SelectorFind.descendant(Element.fromDom(document.body), editor.settings.ui_container).fold(Fun.constant(null), function (elm) {
            return elm.dom();
          });
        }
      };
  
      var setupRtlMode = function (editor) {
        if (editor.rtl) {
          Control.rtl = true;
        }
      };
  
      var setupHideFloatPanels = function (editor) {
        editor.on('mousedown', function () {
          FloatPanel.hideAll();
        });
      };
  
      var setup = function (editor) {
        setupRtlMode(editor);
        setupHideFloatPanels(editor);
        setupUiContainer(editor);
        setupEnvironment(editor);
  
        FormatSelect.register(editor);
        Align.register(editor);
        SimpleControls.register(editor);
        UndoRedo.register(editor);
        FontSizeSelect.register(editor);
        FontSelect.register(editor);
        Formats.register(editor);
        VisualAid.register(editor);
        InsertButton.register(editor);
      };
  
      return {
        setup: setup
      };
    }
  );
  
  /**
   * GridLayout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This layout manager places controls in a grid.
   *
   * @setting {Number} spacing Spacing between controls.
   * @setting {Number} spacingH Horizontal spacing between controls.
   * @setting {Number} spacingV Vertical spacing between controls.
   * @setting {Number} columns Number of columns to use.
   * @setting {String/Array} alignH start|end|center|stretch or array of values for each column.
   * @setting {String/Array} alignV start|end|center|stretch or array of values for each column.
   * @setting {String} pack start|end
   *
   * @class tinymce.ui.GridLayout
   * @extends tinymce.ui.AbsoluteLayout
   */
  define(
    'tinymce.ui.GridLayout',
    [
      "tinymce.ui.AbsoluteLayout"
    ],
    function (AbsoluteLayout) {
      "use strict";
  
      return AbsoluteLayout.extend({
        /**
         * Recalculates the positions of the controls in the specified container.
         *
         * @method recalc
         * @param {tinymce.ui.Container} container Container instance to recalc.
         */
        recalc: function (container) {
          var settings, rows, cols, items, contLayoutRect, width, height, rect,
            ctrlLayoutRect, ctrl, x, y, posX, posY, ctrlSettings, contPaddingBox, align, spacingH, spacingV, alignH, alignV, maxX, maxY,
            colWidths = [], rowHeights = [], ctrlMinWidth, ctrlMinHeight, availableWidth, availableHeight, reverseRows, idx;
  
          // Get layout settings
          settings = container.settings;
          items = container.items().filter(':visible');
          contLayoutRect = container.layoutRect();
          cols = settings.columns || Math.ceil(Math.sqrt(items.length));
          rows = Math.ceil(items.length / cols);
          spacingH = settings.spacingH || settings.spacing || 0;
          spacingV = settings.spacingV || settings.spacing || 0;
          alignH = settings.alignH || settings.align;
          alignV = settings.alignV || settings.align;
          contPaddingBox = container.paddingBox;
          reverseRows = 'reverseRows' in settings ? settings.reverseRows : container.isRtl();
  
          if (alignH && typeof alignH == "string") {
            alignH = [alignH];
          }
  
          if (alignV && typeof alignV == "string") {
            alignV = [alignV];
          }
  
          // Zero padd columnWidths
          for (x = 0; x < cols; x++) {
            colWidths.push(0);
          }
  
          // Zero padd rowHeights
          for (y = 0; y < rows; y++) {
            rowHeights.push(0);
          }
  
          // Calculate columnWidths and rowHeights
          for (y = 0; y < rows; y++) {
            for (x = 0; x < cols; x++) {
              ctrl = items[y * cols + x];
  
              // Out of bounds
              if (!ctrl) {
                break;
              }
  
              ctrlLayoutRect = ctrl.layoutRect();
              ctrlMinWidth = ctrlLayoutRect.minW;
              ctrlMinHeight = ctrlLayoutRect.minH;
  
              colWidths[x] = ctrlMinWidth > colWidths[x] ? ctrlMinWidth : colWidths[x];
              rowHeights[y] = ctrlMinHeight > rowHeights[y] ? ctrlMinHeight : rowHeights[y];
            }
          }
  
          // Calculate maxX
          availableWidth = contLayoutRect.innerW - contPaddingBox.left - contPaddingBox.right;
          for (maxX = 0, x = 0; x < cols; x++) {
            maxX += colWidths[x] + (x > 0 ? spacingH : 0);
            availableWidth -= (x > 0 ? spacingH : 0) + colWidths[x];
          }
  
          // Calculate maxY
          availableHeight = contLayoutRect.innerH - contPaddingBox.top - contPaddingBox.bottom;
          for (maxY = 0, y = 0; y < rows; y++) {
            maxY += rowHeights[y] + (y > 0 ? spacingV : 0);
            availableHeight -= (y > 0 ? spacingV : 0) + rowHeights[y];
          }
  
          maxX += contPaddingBox.left + contPaddingBox.right;
          maxY += contPaddingBox.top + contPaddingBox.bottom;
  
          // Calculate minW/minH
          rect = {};
          rect.minW = maxX + (contLayoutRect.w - contLayoutRect.innerW);
          rect.minH = maxY + (contLayoutRect.h - contLayoutRect.innerH);
  
          rect.contentW = rect.minW - contLayoutRect.deltaW;
          rect.contentH = rect.minH - contLayoutRect.deltaH;
          rect.minW = Math.min(rect.minW, contLayoutRect.maxW);
          rect.minH = Math.min(rect.minH, contLayoutRect.maxH);
          rect.minW = Math.max(rect.minW, contLayoutRect.startMinWidth);
          rect.minH = Math.max(rect.minH, contLayoutRect.startMinHeight);
  
          // Resize container container if minSize was changed
          if (contLayoutRect.autoResize && (rect.minW != contLayoutRect.minW || rect.minH != contLayoutRect.minH)) {
            rect.w = rect.minW;
            rect.h = rect.minH;
  
            container.layoutRect(rect);
            this.recalc(container);
  
            // Forced recalc for example if items are hidden/shown
            if (container._lastRect === null) {
              var parentCtrl = container.parent();
              if (parentCtrl) {
                parentCtrl._lastRect = null;
                parentCtrl.recalc();
              }
            }
  
            return;
          }
  
          // Update contentW/contentH so absEnd moves correctly
          if (contLayoutRect.autoResize) {
            rect = container.layoutRect(rect);
            rect.contentW = rect.minW - contLayoutRect.deltaW;
            rect.contentH = rect.minH - contLayoutRect.deltaH;
          }
  
          var flexV;
  
          if (settings.packV == 'start') {
            flexV = 0;
          } else {
            flexV = availableHeight > 0 ? Math.floor(availableHeight / rows) : 0;
          }
  
          // Calculate totalFlex
          var totalFlex = 0;
          var flexWidths = settings.flexWidths;
          if (flexWidths) {
            for (x = 0; x < flexWidths.length; x++) {
              totalFlex += flexWidths[x];
            }
          } else {
            totalFlex = cols;
          }
  
          // Calculate new column widths based on flex values
          var ratio = availableWidth / totalFlex;
          for (x = 0; x < cols; x++) {
            colWidths[x] += flexWidths ? flexWidths[x] * ratio : ratio;
          }
  
          // Move/resize controls
          posY = contPaddingBox.top;
          for (y = 0; y < rows; y++) {
            posX = contPaddingBox.left;
            height = rowHeights[y] + flexV;
  
            for (x = 0; x < cols; x++) {
              if (reverseRows) {
                idx = y * cols + cols - 1 - x;
              } else {
                idx = y * cols + x;
              }
  
              ctrl = items[idx];
  
              // No more controls to render then break
              if (!ctrl) {
                break;
              }
  
              // Get control settings and calculate x, y
              ctrlSettings = ctrl.settings;
              ctrlLayoutRect = ctrl.layoutRect();
              width = Math.max(colWidths[x], ctrlLayoutRect.startMinWidth);
              ctrlLayoutRect.x = posX;
              ctrlLayoutRect.y = posY;
  
              // Align control horizontal
              align = ctrlSettings.alignH || (alignH ? (alignH[x] || alignH[0]) : null);
              if (align == "center") {
                ctrlLayoutRect.x = posX + (width / 2) - (ctrlLayoutRect.w / 2);
              } else if (align == "right") {
                ctrlLayoutRect.x = posX + width - ctrlLayoutRect.w;
              } else if (align == "stretch") {
                ctrlLayoutRect.w = width;
              }
  
              // Align control vertical
              align = ctrlSettings.alignV || (alignV ? (alignV[x] || alignV[0]) : null);
              if (align == "center") {
                ctrlLayoutRect.y = posY + (height / 2) - (ctrlLayoutRect.h / 2);
              } else if (align == "bottom") {
                ctrlLayoutRect.y = posY + height - ctrlLayoutRect.h;
              } else if (align == "stretch") {
                ctrlLayoutRect.h = height;
              }
  
              ctrl.layoutRect(ctrlLayoutRect);
  
              posX += width + spacingH;
  
              if (ctrl.recalc) {
                ctrl.recalc();
              }
            }
  
            posY += height + spacingV;
          }
        }
      });
    }
  );
  
  /**
   * Iframe.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /*jshint scripturl:true */
  
  /**
   * This class creates an iframe.
   *
   * @setting {String} url Url to open in the iframe.
   *
   * @-x-less Iframe.less
   * @class tinymce.ui.Iframe
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Iframe',
    [
      "tinymce.ui.Widget",
      "tinymce.core.util.Delay"
    ],
    function (Widget, Delay) {
      "use strict";
  
      return Widget.extend({
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this;
  
          self.classes.add('iframe');
          self.canFocus = false;
  
          /*eslint no-script-url:0 */
          return (
            '<iframe id="' + self._id + '" class="' + self.classes + '" tabindex="-1" src="' +
            (self.settings.url || "javascript:''") + '" frameborder="0"></iframe>'
          );
        },
  
        /**
         * Setter for the iframe source.
         *
         * @method src
         * @param {String} src Source URL for iframe.
         */
        src: function (src) {
          this.getEl().src = src;
        },
  
        /**
         * Inner HTML for the iframe.
         *
         * @method html
         * @param {String} html HTML string to set as HTML inside the iframe.
         * @param {function} callback Optional callback to execute when the iframe body is filled with contents.
         * @return {tinymce.ui.Iframe} Current iframe control.
         */
        html: function (html, callback) {
          var self = this, body = this.getEl().contentWindow.document.body;
  
          // Wait for iframe to initialize IE 10 takes time
          if (!body) {
            Delay.setTimeout(function () {
              self.html(html);
            });
          } else {
            body.innerHTML = html;
  
            if (callback) {
              callback();
            }
          }
  
          return this;
        }
      });
    }
  );
  
  /**
   * InfoBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * ....
   *
   * @-x-less InfoBox.less
   * @class tinymce.ui.InfoBox
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.InfoBox',
    [
      "tinymce.ui.Widget"
    ],
    function (Widget) {
      "use strict";
  
      return Widget.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} multiline Multiline label.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          self.classes.add('widget').add('infobox');
          self.canFocus = false;
        },
  
        severity: function (level) {
          this.classes.remove('error');
          this.classes.remove('warning');
          this.classes.remove('success');
          this.classes.add(level);
        },
  
        help: function (state) {
          this.state.set('help', state);
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, prefix = self.classPrefix;
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '">' +
            '<div id="' + self._id + '-body">' +
            self.encode(self.state.get('text')) +
            '<button role="button" tabindex="-1">' +
            '<i class="' + prefix + 'ico ' + prefix + 'i-help"></i>' +
            '</button>' +
            '</div>' +
            '</div>'
          );
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:text', function (e) {
            self.getEl('body').firstChild.data = self.encode(e.value);
  
            if (self.state.get('rendered')) {
              self.updateLayoutRect();
            }
          });
  
          self.state.on('change:help', function (e) {
            self.classes.toggle('has-help', e.value);
  
            if (self.state.get('rendered')) {
              self.updateLayoutRect();
            }
          });
  
          return self._super();
        }
      });
    }
  );
  
  /**
   * Label.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This class creates a label element. A label is a simple text control
   * that can be bound to other controls.
   *
   * @-x-less Label.less
   * @class tinymce.ui.Label
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Label',
    [
      "tinymce.ui.Widget",
      "tinymce.ui.DomUtils"
    ],
    function (Widget, DomUtils) {
      "use strict";
  
      return Widget.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} multiline Multiline label.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          self.classes.add('widget').add('label');
          self.canFocus = false;
  
          if (settings.multiline) {
            self.classes.add('autoscroll');
          }
  
          if (settings.strong) {
            self.classes.add('strong');
          }
        },
  
        /**
         * Initializes the current controls layout rect.
         * This will be executed by the layout managers to determine the
         * default minWidth/minHeight etc.
         *
         * @method initLayoutRect
         * @return {Object} Layout rect instance.
         */
        initLayoutRect: function () {
          var self = this, layoutRect = self._super();
  
          if (self.settings.multiline) {
            var size = DomUtils.getSize(self.getEl());
  
            // Check if the text fits within maxW if not then try word wrapping it
            if (size.width > layoutRect.maxW) {
              layoutRect.minW = layoutRect.maxW;
              self.classes.add('multiline');
            }
  
            self.getEl().style.width = layoutRect.minW + 'px';
            layoutRect.startMinH = layoutRect.h = layoutRect.minH = Math.min(layoutRect.maxH, DomUtils.getSize(self.getEl()).height);
          }
  
          return layoutRect;
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this;
  
          if (!self.settings.multiline) {
            self.getEl().style.lineHeight = self.layoutRect().h + 'px';
          }
  
          return self._super();
        },
  
        severity: function (level) {
          this.classes.remove('error');
          this.classes.remove('warning');
          this.classes.remove('success');
          this.classes.add(level);
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, targetCtrl, forName, forId = self.settings.forId;
          var text = self.settings.html ? self.settings.html : self.encode(self.state.get('text'));
  
          if (!forId && (forName = self.settings.forName)) {
            targetCtrl = self.getRoot().find('#' + forName)[0];
  
            if (targetCtrl) {
              forId = targetCtrl._id;
            }
          }
  
          if (forId) {
            return (
              '<label id="' + self._id + '" class="' + self.classes + '"' + (forId ? ' for="' + forId + '"' : '') + '>' +
              text +
              '</label>'
            );
          }
  
          return (
            '<span id="' + self._id + '" class="' + self.classes + '">' +
            text +
            '</span>'
          );
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:text', function (e) {
            self.innerHtml(self.encode(e.value));
  
            if (self.state.get('rendered')) {
              self.updateLayoutRect();
            }
          });
  
          return self._super();
        }
      });
    }
  );
  
  /**
   * Toolbar.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new toolbar.
   *
   * @class tinymce.ui.Toolbar
   * @extends tinymce.ui.Container
   */
  define(
    'tinymce.ui.Toolbar',
    [
      "tinymce.ui.Container"
    ],
    function (Container) {
      "use strict";
  
      return Container.extend({
        Defaults: {
          role: 'toolbar',
          layout: 'flow'
        },
  
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
          self.classes.add('toolbar');
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          self.items().each(function (ctrl) {
            ctrl.classes.add('toolbar-item');
          });
  
          return self._super();
        }
      });
    }
  );
  /**
   * MenuBar.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new menubar.
   *
   * @-x-less MenuBar.less
   * @class tinymce.ui.MenuBar
   * @extends tinymce.ui.Container
   */
  define(
    'tinymce.ui.MenuBar',
    [
      "tinymce.ui.Toolbar"
    ],
    function (Toolbar) {
      "use strict";
  
      return Toolbar.extend({
        Defaults: {
          role: 'menubar',
          containerCls: 'menubar',
          ariaRoot: true,
          defaults: {
            type: 'menubutton'
          }
        }
      });
    }
  );
  /**
   * MenuButton.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new menu button.
   *
   * @-x-less MenuButton.less
   * @class tinymce.ui.MenuButton
   * @extends tinymce.ui.Button
   */
  define(
    'tinymce.ui.MenuButton',
    [
      'global!window',
      'tinymce.core.ui.Factory',
      'tinymce.ui.Button',
      'tinymce.ui.MenuBar'
    ],
    function (window, Factory, Button, MenuBar) {
      "use strict";
  
      // TODO: Maybe add as some global function
      function isChildOf(node, parent) {
        while (node) {
          if (parent === node) {
            return true;
          }
  
          node = node.parentNode;
        }
  
        return false;
      }
  
      var MenuButton = Button.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          var self = this;
  
          self._renderOpen = true;
  
          self._super(settings);
          settings = self.settings;
  
          self.classes.add('menubtn');
  
          if (settings.fixedWidth) {
            self.classes.add('fixed-width');
          }
  
          self.aria('haspopup', true);
  
          self.state.set('menu', settings.menu || self.render());
        },
  
        /**
         * Shows the menu for the button.
         *
         * @method showMenu
         */
        showMenu: function (toggle) {
          var self = this, menu;
  
          if (self.menu && self.menu.visible() && toggle !== false) {
            return self.hideMenu();
          }
  
          if (!self.menu) {
            menu = self.state.get('menu') || [];
            self.classes.add('opened');
  
            // Is menu array then auto constuct menu control
            if (menu.length) {
              menu = {
                type: 'menu',
                animate: true,
                items: menu
              };
            } else {
              menu.type = menu.type || 'menu';
              menu.animate = true;
            }
  
            if (!menu.renderTo) {
              self.menu = Factory.create(menu).parent(self).renderTo();
            } else {
              self.menu = menu.parent(self).show().renderTo();
            }
  
            self.fire('createmenu');
            self.menu.reflow();
            self.menu.on('cancel', function (e) {
              if (e.control.parent() === self.menu) {
                e.stopPropagation();
                self.focus();
                self.hideMenu();
              }
            });
  
            // Move focus to button when a menu item is selected/clicked
            self.menu.on('select', function () {
              self.focus();
            });
  
            self.menu.on('show hide', function (e) {
              if (e.control === self.menu) {
                self.activeMenu(e.type == 'show');
                self.classes.toggle('opened', e.type == 'show');
              }
  
              self.aria('expanded', e.type == 'show');
            }).fire('show');
          }
  
          self.menu.show();
          self.menu.layoutRect({ w: self.layoutRect().w });
          self.menu.moveRel(self.getEl(), self.isRtl() ? ['br-tr', 'tr-br'] : ['bl-tl', 'tl-bl']);
          self.fire('showmenu');
        },
  
        /**
         * Hides the menu for the button.
         *
         * @method hideMenu
         */
        hideMenu: function () {
          var self = this;
  
          if (self.menu) {
            self.menu.items().each(function (item) {
              if (item.hideMenu) {
                item.hideMenu();
              }
            });
  
            self.menu.hide();
          }
        },
  
        /**
         * Sets the active menu state.
         *
         * @private
         */
        activeMenu: function (state) {
          this.classes.toggle('active', state);
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix;
          var icon = self.settings.icon, image, text = self.state.get('text'),
            textHtml = '';
  
          image = self.settings.image;
          if (image) {
            icon = 'none';
  
            // Support for [high dpi, low dpi] image sources
            if (typeof image != "string") {
              image = window.getSelection ? image[0] : image[1];
            }
  
            image = ' style="background-image: url(\'' + image + '\')"';
          } else {
            image = '';
          }
  
          if (text) {
            self.classes.add('btn-has-text');
            textHtml = '<span class="' + prefix + 'txt">' + self.encode(text) + '</span>';
          }
  
          icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
  
          self.aria('role', self.parent() instanceof MenuBar ? 'menuitem' : 'button');
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" tabindex="-1" aria-labelledby="' + id + '">' +
            '<button id="' + id + '-open" role="presentation" type="button" tabindex="-1">' +
            (icon ? '<i class="' + icon + '"' + image + '></i>' : '') +
            textHtml +
            ' <i class="' + prefix + 'caret"></i>' +
            '</button>' +
            '</div>'
          );
        },
  
        /**
         * Gets invoked after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          self.on('click', function (e) {
            if (e.control === self && isChildOf(e.target, self.getEl())) {
              self.focus();
              self.showMenu(!e.aria);
  
              if (e.aria) {
                self.menu.items().filter(':visible')[0].focus();
              }
            }
          });
  
          self.on('mouseenter', function (e) {
            var overCtrl = e.control, parent = self.parent(), hasVisibleSiblingMenu;
  
            if (overCtrl && parent && overCtrl instanceof MenuButton && overCtrl.parent() == parent) {
              parent.items().filter('MenuButton').each(function (ctrl) {
                if (ctrl.hideMenu && ctrl != overCtrl) {
                  if (ctrl.menu && ctrl.menu.visible()) {
                    hasVisibleSiblingMenu = true;
                  }
  
                  ctrl.hideMenu();
                }
              });
  
              if (hasVisibleSiblingMenu) {
                overCtrl.focus(); // Fix for: #5887
                overCtrl.showMenu();
              }
            }
          });
  
          return self._super();
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:menu', function () {
            if (self.menu) {
              self.menu.remove();
            }
  
            self.menu = null;
          });
  
          return self._super();
        },
  
        /**
         * Removes the control and it's menus.
         *
         * @method remove
         */
        remove: function () {
          this._super();
  
          if (this.menu) {
            this.menu.remove();
          }
        }
      });
  
      return MenuButton;
    }
  );
  
  /**
   * MenuItem.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new menu item.
   *
   * @-x-less MenuItem.less
   * @class tinymce.ui.MenuItem
   * @extends tinymce.ui.Control
   */
  define(
    'tinymce.ui.MenuItem',
    [
      "tinymce.ui.Widget",
      "tinymce.core.ui.Factory",
      "tinymce.core.Env",
      "tinymce.core.util.Delay"
    ],
    function (Widget, Factory, Env, Delay) {
      "use strict";
  
      var toggleTextStyle = function (ctrl, state) {
        var textStyle = ctrl._textStyle;
        if (textStyle) {
          var textElm = ctrl.getEl('text');
          textElm.setAttribute('style', textStyle);
  
          if (state) {
            textElm.style.color = '';
            textElm.style.backgroundColor = '';
          }
        }
      };
  
      return Widget.extend({
        Defaults: {
          border: 0,
          role: 'menuitem'
        },
  
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} selectable Selectable menu.
         * @setting {Array} menu Submenu array with items.
         * @setting {String} shortcut Shortcut to display for menu item. Example: Ctrl+X
         */
        init: function (settings) {
          var self = this, text;
  
          self._super(settings);
  
          settings = self.settings;
  
          self.classes.add('menu-item');
  
          if (settings.menu) {
            self.classes.add('menu-item-expand');
          }
  
          if (settings.preview) {
            self.classes.add('menu-item-preview');
          }
  
          text = self.state.get('text');
          if (text === '-' || text === '|') {
            self.classes.add('menu-item-sep');
            self.aria('role', 'separator');
            self.state.set('text', '-');
          }
  
          if (settings.selectable) {
            self.aria('role', 'menuitemcheckbox');
            self.classes.add('menu-item-checkbox');
            settings.icon = 'selected';
          }
  
          if (!settings.preview && !settings.selectable) {
            self.classes.add('menu-item-normal');
          }
  
          self.on('mousedown', function (e) {
            e.preventDefault();
          });
  
          if (settings.menu && !settings.ariaHideMenu) {
            self.aria('haspopup', true);
          }
        },
  
        /**
         * Returns true/false if the menuitem has sub menu.
         *
         * @method hasMenus
         * @return {Boolean} True/false state if it has submenu.
         */
        hasMenus: function () {
          return !!this.settings.menu;
        },
  
        /**
         * Shows the menu for the menu item.
         *
         * @method showMenu
         */
        showMenu: function () {
          var self = this, settings = self.settings, menu, parent = self.parent();
  
          parent.items().each(function (ctrl) {
            if (ctrl !== self) {
              ctrl.hideMenu();
            }
          });
  
          if (settings.menu) {
            menu = self.menu;
  
            if (!menu) {
              menu = settings.menu;
  
              // Is menu array then auto constuct menu control
              if (menu.length) {
                menu = {
                  type: 'menu',
                  animate: true,
                  items: menu
                };
              } else {
                menu.type = menu.type || 'menu';
                menu.animate = true;
              }
  
              if (parent.settings.itemDefaults) {
                menu.itemDefaults = parent.settings.itemDefaults;
              }
  
              menu = self.menu = Factory.create(menu).parent(self).renderTo();
              menu.reflow();
              menu.on('cancel', function (e) {
                e.stopPropagation();
                self.focus();
                menu.hide();
              });
              menu.on('show hide', function (e) {
                if (e.control.items) {
                  e.control.items().each(function (ctrl) {
                    ctrl.active(ctrl.settings.selected);
                  });
                }
              }).fire('show');
  
              menu.on('hide', function (e) {
                if (e.control === menu) {
                  self.classes.remove('selected');
                }
              });
  
              menu.submenu = true;
            } else {
              menu.show();
            }
  
            menu._parentMenu = parent;
  
            menu.classes.add('menu-sub');
  
            var rel = menu.testMoveRel(
              self.getEl(),
              self.isRtl() ? ['tl-tr', 'bl-br', 'tr-tl', 'br-bl'] : ['tr-tl', 'br-bl', 'tl-tr', 'bl-br']
            );
  
            menu.moveRel(self.getEl(), rel);
            menu.rel = rel;
  
            rel = 'menu-sub-' + rel;
            menu.classes.remove(menu._lastRel).add(rel);
            menu._lastRel = rel;
  
            self.classes.add('selected');
            self.aria('expanded', true);
          }
        },
  
        /**
         * Hides the menu for the menu item.
         *
         * @method hideMenu
         */
        hideMenu: function () {
          var self = this;
  
          if (self.menu) {
            self.menu.items().each(function (item) {
              if (item.hideMenu) {
                item.hideMenu();
              }
            });
  
            self.menu.hide();
            self.aria('expanded', false);
          }
  
          return self;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, settings = self.settings, prefix = self.classPrefix, text = self.state.get('text');
          var icon = self.settings.icon, image = '', shortcut = settings.shortcut;
          var url = self.encode(settings.url), iconHtml = '';
  
          // Converts shortcut format to Mac/PC variants
          function convertShortcut(shortcut) {
            var i, value, replace = {};
  
            if (Env.mac) {
              replace = {
                alt: '&#x2325;',
                ctrl: '&#x2318;',
                shift: '&#x21E7;',
                meta: '&#x2318;'
              };
            } else {
              replace = {
                meta: 'Ctrl'
              };
            }
  
            shortcut = shortcut.split('+');
  
            for (i = 0; i < shortcut.length; i++) {
              value = replace[shortcut[i].toLowerCase()];
  
              if (value) {
                shortcut[i] = value;
              }
            }
  
            return shortcut.join('+');
          }
  
          function escapeRegExp(str) {
            return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
          }
  
          function markMatches(text) {
            var match = settings.match || '';
  
            return match ? text.replace(new RegExp(escapeRegExp(match), 'gi'), function (match) {
              return '!mce~match[' + match + ']mce~match!';
            }) : text;
          }
  
          function boldMatches(text) {
            return text.
              replace(new RegExp(escapeRegExp('!mce~match['), 'g'), '<b>').
              replace(new RegExp(escapeRegExp(']mce~match!'), 'g'), '</b>');
          }
  
          if (icon) {
            self.parent().classes.add('menu-has-icons');
          }
  
          if (settings.image) {
            image = ' style="background-image: url(\'' + settings.image + '\')"';
          }
  
          if (shortcut) {
            shortcut = convertShortcut(shortcut);
          }
  
          icon = prefix + 'ico ' + prefix + 'i-' + (self.settings.icon || 'none');
          iconHtml = (text !== '-' ? '<i class="' + icon + '"' + image + '></i>\u00a0' : '');
  
          text = boldMatches(self.encode(markMatches(text)));
          url = boldMatches(self.encode(markMatches(url)));
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" tabindex="-1">' +
            iconHtml +
            (text !== '-' ? '<span id="' + id + '-text" class="' + prefix + 'text">' + text + '</span>' : '') +
            (shortcut ? '<div id="' + id + '-shortcut" class="' + prefix + 'menu-shortcut">' + shortcut + '</div>' : '') +
            (settings.menu ? '<div class="' + prefix + 'caret"></div>' : '') +
            (url ? '<div class="' + prefix + 'menu-item-link">' + url + '</div>' : '') +
            '</div>'
          );
        },
  
        /**
         * Gets invoked after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this, settings = self.settings;
  
          var textStyle = settings.textStyle;
          if (typeof textStyle === "function") {
            textStyle = textStyle.call(this);
          }
  
          if (textStyle) {
            var textElm = self.getEl('text');
            if (textElm) {
              textElm.setAttribute('style', textStyle);
              self._textStyle = textStyle;
            }
          }
  
          self.on('mouseenter click', function (e) {
            if (e.control === self) {
              if (!settings.menu && e.type === 'click') {
                self.fire('select');
  
                // Edge will crash if you stress it see #2660
                Delay.requestAnimationFrame(function () {
                  self.parent().hideAll();
                });
              } else {
                self.showMenu();
  
                if (e.aria) {
                  self.menu.focus(true);
                }
              }
            }
          });
  
          self._super();
  
          return self;
        },
  
        hover: function () {
          var self = this;
  
          self.parent().items().each(function (ctrl) {
            ctrl.classes.remove('selected');
          });
  
          self.classes.toggle('selected', true);
  
          return self;
        },
  
        active: function (state) {
          toggleTextStyle(this, state);
  
          if (typeof state != "undefined") {
            this.aria('checked', state);
          }
  
          return this._super(state);
        },
  
        /**
         * Removes the control and it's menus.
         *
         * @method remove
         */
        remove: function () {
          this._super();
  
          if (this.menu) {
            this.menu.remove();
          }
        }
      });
    }
  );
  
  /**
   * Menu.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new menu.
   *
   * @-x-less Menu.less
   * @class tinymce.ui.Menu
   * @extends tinymce.ui.FloatPanel
   */
  define(
    'tinymce.ui.Menu',
    [
      'tinymce.core.Env',
      'tinymce.core.util.Delay',
      'tinymce.core.util.Tools',
      'tinymce.ui.FloatPanel',
      'tinymce.ui.MenuItem',
      'tinymce.ui.Throbber'
    ],
    function (Env, Delay, Tools, FloatPanel, MenuItem, Throbber) {
      "use strict";
  
      return FloatPanel.extend({
        Defaults: {
          defaultType: 'menuitem',
          border: 1,
          layout: 'stack',
          role: 'application',
          bodyRole: 'menu',
          ariaRoot: true
        },
  
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         */
        init: function (settings) {
          var self = this;
  
          settings.autohide = true;
          settings.constrainToViewport = true;
  
          if (typeof settings.items === 'function') {
            settings.itemsFactory = settings.items;
            settings.items = [];
          }
  
          if (settings.itemDefaults) {
            var items = settings.items, i = items.length;
  
            while (i--) {
              items[i] = Tools.extend({}, settings.itemDefaults, items[i]);
            }
          }
  
          self._super(settings);
          self.classes.add('menu');
  
          if (settings.animate && Env.ie !== 11) {
            // IE 11 can't handle transforms it looks horrible and blurry so lets disable that
            self.classes.add('animate');
          }
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          this.classes.toggle('menu-align', true);
  
          this._super();
  
          this.getEl().style.height = '';
          this.getEl('body').style.height = '';
  
          return this;
        },
  
        /**
         * Hides/closes the menu.
         *
         * @method cancel
         */
        cancel: function () {
          var self = this;
  
          self.hideAll();
          self.fire('select');
        },
  
        /**
         * Loads new items from the factory items function.
         *
         * @method load
         */
        load: function () {
          var self = this, time, factory;
  
          function hideThrobber() {
            if (self.throbber) {
              self.throbber.hide();
              self.throbber = null;
            }
          }
  
          factory = self.settings.itemsFactory;
          if (!factory) {
            return;
          }
  
          if (!self.throbber) {
            self.throbber = new Throbber(self.getEl('body'), true);
  
            if (self.items().length === 0) {
              self.throbber.show();
              self.fire('loading');
            } else {
              self.throbber.show(100, function () {
                self.items().remove();
                self.fire('loading');
              });
            }
  
            self.on('hide close', hideThrobber);
          }
  
          self.requestTime = time = new Date().getTime();
  
          self.settings.itemsFactory(function (items) {
            if (items.length === 0) {
              self.hide();
              return;
            }
  
            if (self.requestTime !== time) {
              return;
            }
  
            self.getEl().style.width = '';
            self.getEl('body').style.width = '';
  
            hideThrobber();
            self.items().remove();
            self.getEl('body').innerHTML = '';
  
            self.add(items);
            self.renderNew();
            self.fire('loaded');
          });
        },
  
        /**
         * Hide menu and all sub menus.
         *
         * @method hideAll
         */
        hideAll: function () {
          var self = this;
  
          this.find('menuitem').exec('hideMenu');
  
          return self._super();
        },
  
        /**
         * Invoked before the menu is rendered.
         *
         * @method preRender
         */
        preRender: function () {
          var self = this;
  
          self.items().each(function (ctrl) {
            var settings = ctrl.settings;
  
            if (settings.icon || settings.image || settings.selectable) {
              self._hasIcons = true;
              return false;
            }
          });
  
          if (self.settings.itemsFactory) {
            self.on('postrender', function () {
              if (self.settings.itemsFactory) {
                self.load();
              }
            });
          }
  
          self.on('show hide', function (e) {
            if (e.control === self) {
              if (e.type === 'show') {
                Delay.setTimeout(function () {
                  self.classes.add('in');
                }, 0);
              } else {
                self.classes.remove('in');
              }
            }
          });
  
          return self._super();
        }
      });
    }
  );
  
  /**
   * ListBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new list box control.
   *
   * @-x-less ListBox.less
   * @class tinymce.ui.ListBox
   * @extends tinymce.ui.MenuButton
   */
  define(
    'tinymce.ui.ListBox',
    [
      "tinymce.ui.MenuButton",
      "tinymce.ui.Menu"
    ],
    function (MenuButton, Menu) {
      "use strict";
  
      return MenuButton.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Array} values Array with values to add to list box.
         */
        init: function (settings) {
          var self = this, values, selected, selectedText, lastItemCtrl;
  
          function setSelected(menuValues) {
            // Try to find a selected value
            for (var i = 0; i < menuValues.length; i++) {
              selected = menuValues[i].selected || settings.value === menuValues[i].value;
  
              if (selected) {
                selectedText = selectedText || menuValues[i].text;
                self.state.set('value', menuValues[i].value);
                return true;
              }
  
              // If the value has a submenu, try to find the selected values in that menu
              if (menuValues[i].menu) {
                if (setSelected(menuValues[i].menu)) {
                  return true;
                }
              }
            }
          }
  
          self._super(settings);
          settings = self.settings;
  
          self._values = values = settings.values;
          if (values) {
            if (typeof settings.value != "undefined") {
              setSelected(values);
            }
  
            // Default with first item
            if (!selected && values.length > 0) {
              selectedText = values[0].text;
              self.state.set('value', values[0].value);
            }
  
            self.state.set('menu', values);
          }
  
          self.state.set('text', settings.text || selectedText);
  
          self.classes.add('listbox');
  
          self.on('select', function (e) {
            var ctrl = e.control;
  
            if (lastItemCtrl) {
              e.lastControl = lastItemCtrl;
            }
  
            if (settings.multiple) {
              ctrl.active(!ctrl.active());
            } else {
              self.value(e.control.value());
            }
  
            lastItemCtrl = ctrl;
          });
        },
  
        /**
         * Getter/setter function for the control value.
         *
         * @method value
         * @param {String} [value] Value to be set.
         * @return {Boolean/tinymce.ui.ListBox} Value or self if it's a set operation.
         */
        bindStates: function () {
          var self = this;
  
          function activateMenuItemsByValue(menu, value) {
            if (menu instanceof Menu) {
              menu.items().each(function (ctrl) {
                if (!ctrl.hasMenus()) {
                  ctrl.active(ctrl.value() === value);
                }
              });
            }
          }
  
          function getSelectedItem(menuValues, value) {
            var selectedItem;
  
            if (!menuValues) {
              return;
            }
  
            for (var i = 0; i < menuValues.length; i++) {
              if (menuValues[i].value === value) {
                return menuValues[i];
              }
  
              if (menuValues[i].menu) {
                selectedItem = getSelectedItem(menuValues[i].menu, value);
                if (selectedItem) {
                  return selectedItem;
                }
              }
            }
          }
  
          self.on('show', function (e) {
            activateMenuItemsByValue(e.control, self.value());
          });
  
          self.state.on('change:value', function (e) {
            var selectedItem = getSelectedItem(self.state.get('menu'), e.value);
  
            if (selectedItem) {
              self.text(selectedItem.text);
            } else {
              self.text(self.settings.text);
            }
          });
  
          return self._super();
        }
      });
    }
  );
  
  /**
   * Radio.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new radio button.
   *
   * @-x-less Radio.less
   * @class tinymce.ui.Radio
   * @extends tinymce.ui.Checkbox
   */
  define(
    'tinymce.ui.Radio',
    [
      "tinymce.ui.Checkbox"
    ],
    function (Checkbox) {
      "use strict";
  
      return Checkbox.extend({
        Defaults: {
          classes: "radio",
          role: "radio"
        }
      });
    }
  );
  /**
   * ResizeHandle.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Renders a resize handle that fires ResizeStart, Resize and ResizeEnd events.
   *
   * @-x-less ResizeHandle.less
   * @class tinymce.ui.ResizeHandle
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.ResizeHandle',
    [
      "tinymce.ui.Widget",
      "tinymce.ui.DragHelper"
    ],
    function (Widget, DragHelper) {
      "use strict";
  
      return Widget.extend({
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, prefix = self.classPrefix;
  
          self.classes.add('resizehandle');
  
          if (self.settings.direction == "both") {
            self.classes.add('resizehandle-both');
          }
  
          self.canFocus = false;
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '">' +
            '<i class="' + prefix + 'ico ' + prefix + 'i-resize"></i>' +
            '</div>'
          );
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          self._super();
  
          self.resizeDragHelper = new DragHelper(this._id, {
            start: function () {
              self.fire('ResizeStart');
            },
  
            drag: function (e) {
              if (self.settings.direction != "both") {
                e.deltaX = 0;
              }
  
              self.fire('Resize', e);
            },
  
            stop: function () {
              self.fire('ResizeEnd');
            }
          });
        },
  
        remove: function () {
          if (this.resizeDragHelper) {
            this.resizeDragHelper.destroy();
          }
  
          return this._super();
        }
      });
    }
  );
  
  /**
   * SelectBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new select box control.
   *
   * @-x-less SelectBox.less
   * @class tinymce.ui.SelectBox
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.SelectBox',
    [
      "tinymce.ui.Widget"
    ],
    function (Widget) {
      "use strict";
  
      function createOptions(options) {
        var strOptions = '';
        if (options) {
          for (var i = 0; i < options.length; i++) {
            strOptions += '<option value="' + options[i] + '">' + options[i] + '</option>';
          }
        }
        return strOptions;
      }
  
      return Widget.extend({
        Defaults: {
          classes: "selectbox",
          role: "selectbox",
          options: []
        },
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Array} options Array with options to add to the select box.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
  
          if (self.settings.size) {
            self.size = self.settings.size;
          }
  
          if (self.settings.options) {
            self._options = self.settings.options;
          }
  
          self.on('keydown', function (e) {
            var rootControl;
  
            if (e.keyCode == 13) {
              e.preventDefault();
  
              // Find root control that we can do toJSON on
              self.parents().reverse().each(function (ctrl) {
                if (ctrl.toJSON) {
                  rootControl = ctrl;
                  return false;
                }
              });
  
              // Fire event on current text box with the serialized data of the whole form
              self.fire('submit', { data: rootControl.toJSON() });
            }
          });
        },
  
        /**
         * Getter/setter function for the options state.
         *
         * @method options
         * @param {Array} [state] State to be set.
         * @return {Array|tinymce.ui.SelectBox} Array of string options.
         */
        options: function (state) {
          if (!arguments.length) {
            return this.state.get('options');
          }
  
          this.state.set('options', state);
  
          return this;
        },
  
        renderHtml: function () {
          var self = this, options, size = '';
  
          options = createOptions(self._options);
  
          if (self.size) {
            size = ' size = "' + self.size + '"';
          }
  
          return (
            '<select id="' + self._id + '" class="' + self.classes + '"' + size + '>' +
            options +
            '</select>'
          );
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:options', function (e) {
            self.getEl().innerHTML = createOptions(e.value);
          });
  
          return self._super();
        }
      });
    }
  );
  
  /**
   * Slider.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Slider control.
   *
   * @-x-less Slider.less
   * @class tinymce.ui.Slider
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Slider',
    [
      "tinymce.ui.Widget",
      "tinymce.ui.DragHelper",
      "tinymce.ui.DomUtils"
    ],
    function (Widget, DragHelper, DomUtils) {
      "use strict";
  
      function constrain(value, minVal, maxVal) {
        if (value < minVal) {
          value = minVal;
        }
  
        if (value > maxVal) {
          value = maxVal;
        }
  
        return value;
      }
  
      function setAriaProp(el, name, value) {
        el.setAttribute('aria-' + name, value);
      }
  
      function updateSliderHandle(ctrl, value) {
        var maxHandlePos, shortSizeName, sizeName, stylePosName, styleValue, handleEl;
  
        if (ctrl.settings.orientation == "v") {
          stylePosName = "top";
          sizeName = "height";
          shortSizeName = "h";
        } else {
          stylePosName = "left";
          sizeName = "width";
          shortSizeName = "w";
        }
  
        handleEl = ctrl.getEl('handle');
        maxHandlePos = (ctrl.layoutRect()[shortSizeName] || 100) - DomUtils.getSize(handleEl)[sizeName];
  
        styleValue = (maxHandlePos * ((value - ctrl._minValue) / (ctrl._maxValue - ctrl._minValue))) + 'px';
        handleEl.style[stylePosName] = styleValue;
        handleEl.style.height = ctrl.layoutRect().h + 'px';
  
        setAriaProp(handleEl, 'valuenow', value);
        setAriaProp(handleEl, 'valuetext', '' + ctrl.settings.previewFilter(value));
        setAriaProp(handleEl, 'valuemin', ctrl._minValue);
        setAriaProp(handleEl, 'valuemax', ctrl._maxValue);
      }
  
      return Widget.extend({
        init: function (settings) {
          var self = this;
  
          if (!settings.previewFilter) {
            settings.previewFilter = function (value) {
              return Math.round(value * 100) / 100.0;
            };
          }
  
          self._super(settings);
          self.classes.add('slider');
  
          if (settings.orientation == "v") {
            self.classes.add('vertical');
          }
  
          self._minValue = settings.minValue || 0;
          self._maxValue = settings.maxValue || 100;
          self._initValue = self.state.get('value');
        },
  
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix;
  
          return (
            '<div id="' + id + '" class="' + self.classes + '">' +
            '<div id="' + id + '-handle" class="' + prefix + 'slider-handle" role="slider" tabindex="-1"></div>' +
            '</div>'
          );
        },
  
        reset: function () {
          this.value(this._initValue).repaint();
        },
  
        postRender: function () {
          var self = this, minValue, maxValue, screenCordName,
            stylePosName, sizeName, shortSizeName;
  
          function toFraction(min, max, val) {
            return (val + min) / (max - min);
          }
  
          function fromFraction(min, max, val) {
            return (val * (max - min)) - min;
          }
  
          function handleKeyboard(minValue, maxValue) {
            function alter(delta) {
              var value;
  
              value = self.value();
              value = fromFraction(minValue, maxValue, toFraction(minValue, maxValue, value) + (delta * 0.05));
              value = constrain(value, minValue, maxValue);
  
              self.value(value);
  
              self.fire('dragstart', { value: value });
              self.fire('drag', { value: value });
              self.fire('dragend', { value: value });
            }
  
            self.on('keydown', function (e) {
              switch (e.keyCode) {
                case 37:
                case 38:
                  alter(-1);
                  break;
  
                case 39:
                case 40:
                  alter(1);
                  break;
              }
            });
          }
  
          function handleDrag(minValue, maxValue, handleEl) {
            var startPos, startHandlePos, maxHandlePos, handlePos, value;
  
            self._dragHelper = new DragHelper(self._id, {
              handle: self._id + "-handle",
  
              start: function (e) {
                startPos = e[screenCordName];
                startHandlePos = parseInt(self.getEl('handle').style[stylePosName], 10);
                maxHandlePos = (self.layoutRect()[shortSizeName] || 100) - DomUtils.getSize(handleEl)[sizeName];
                self.fire('dragstart', { value: value });
              },
  
              drag: function (e) {
                var delta = e[screenCordName] - startPos;
  
                handlePos = constrain(startHandlePos + delta, 0, maxHandlePos);
                handleEl.style[stylePosName] = handlePos + 'px';
  
                value = minValue + (handlePos / maxHandlePos) * (maxValue - minValue);
                self.value(value);
  
                self.tooltip().text('' + self.settings.previewFilter(value)).show().moveRel(handleEl, 'bc tc');
  
                self.fire('drag', { value: value });
              },
  
              stop: function () {
                self.tooltip().hide();
                self.fire('dragend', { value: value });
              }
            });
          }
  
          minValue = self._minValue;
          maxValue = self._maxValue;
  
          if (self.settings.orientation == "v") {
            screenCordName = "screenY";
            stylePosName = "top";
            sizeName = "height";
            shortSizeName = "h";
          } else {
            screenCordName = "screenX";
            stylePosName = "left";
            sizeName = "width";
            shortSizeName = "w";
          }
  
          self._super();
  
          handleKeyboard(minValue, maxValue, self.getEl('handle'));
          handleDrag(minValue, maxValue, self.getEl('handle'));
        },
  
        repaint: function () {
          this._super();
          updateSliderHandle(this, this.value());
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:value', function (e) {
            updateSliderHandle(self, e.value);
          });
  
          return self._super();
        }
      });
    }
  );
  /**
   * Spacer.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a spacer. This control is used in flex layouts for example.
   *
   * @-x-less Spacer.less
   * @class tinymce.ui.Spacer
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.Spacer',
    [
      "tinymce.ui.Widget"
    ],
    function (Widget) {
      "use strict";
  
      return Widget.extend({
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this;
  
          self.classes.add('spacer');
          self.canFocus = false;
  
          return '<div id="' + self._id + '" class="' + self.classes + '"></div>';
        }
      });
    }
  );
  /**
   * SplitButton.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a split button.
   *
   * @-x-less SplitButton.less
   * @class tinymce.ui.SplitButton
   * @extends tinymce.ui.Button
   */
  define(
    'tinymce.ui.SplitButton',
    [
      'global!window',
      'tinymce.core.dom.DomQuery',
      'tinymce.ui.DomUtils',
      'tinymce.ui.MenuButton'
    ],
    function (window, DomQuery, DomUtils, MenuButton) {
      return MenuButton.extend({
        Defaults: {
          classes: "widget btn splitbtn",
          role: "button"
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this, elm = self.getEl(), rect = self.layoutRect(), mainButtonElm, menuButtonElm;
  
          self._super();
  
          mainButtonElm = elm.firstChild;
          menuButtonElm = elm.lastChild;
  
          DomQuery(mainButtonElm).css({
            width: rect.w - DomUtils.getSize(menuButtonElm).width,
            height: rect.h - 2
          });
  
          DomQuery(menuButtonElm).css({
            height: rect.h - 2
          });
  
          return self;
        },
  
        /**
         * Sets the active menu state.
         *
         * @private
         */
        activeMenu: function (state) {
          var self = this;
  
          DomQuery(self.getEl().lastChild).toggleClass(self.classPrefix + 'active', state);
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, id = self._id, prefix = self.classPrefix, image;
          var icon = self.state.get('icon'), text = self.state.get('text'),
            textHtml = '';
  
          image = self.settings.image;
          if (image) {
            icon = 'none';
  
            // Support for [high dpi, low dpi] image sources
            if (typeof image != "string") {
              image = window.getSelection ? image[0] : image[1];
            }
  
            image = ' style="background-image: url(\'' + image + '\')"';
          } else {
            image = '';
          }
  
          icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
  
          if (text) {
            self.classes.add('btn-has-text');
            textHtml = '<span class="' + prefix + 'txt">' + self.encode(text) + '</span>';
          }
  
          return (
            '<div id="' + id + '" class="' + self.classes + '" role="button" tabindex="-1">' +
            '<button type="button" hidefocus="1" tabindex="-1">' +
            (icon ? '<i class="' + icon + '"' + image + '></i>' : '') +
            textHtml +
            '</button>' +
            '<button type="button" class="' + prefix + 'open" hidefocus="1" tabindex="-1">' +
            //(icon ? '<i class="' + icon + '"></i>' : '') +
            (self._menuBtnText ? (icon ? '\u00a0' : '') + self._menuBtnText : '') +
            ' <i class="' + prefix + 'caret"></i>' +
            '</button>' +
            '</div>'
          );
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this, onClickHandler = self.settings.onclick;
  
          self.on('click', function (e) {
            var node = e.target;
  
            if (e.control == this) {
              // Find clicks that is on the main button
              while (node) {
                if ((e.aria && e.aria.key != 'down') || (node.nodeName == 'BUTTON' && node.className.indexOf('open') == -1)) {
                  e.stopImmediatePropagation();
  
                  if (onClickHandler) {
                    onClickHandler.call(this, e);
                  }
  
                  return;
                }
  
                node = node.parentNode;
              }
            }
          });
  
          delete self.settings.onclick;
  
          return self._super();
        }
      });
    }
  );
  /**
   * StackLayout.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * This layout uses the browsers layout when the items are blocks.
   *
   * @-x-less StackLayout.less
   * @class tinymce.ui.StackLayout
   * @extends tinymce.ui.FlowLayout
   */
  define(
    'tinymce.ui.StackLayout',
    [
      "tinymce.ui.FlowLayout"
    ],
    function (FlowLayout) {
      "use strict";
  
      return FlowLayout.extend({
        Defaults: {
          containerClass: 'stack-layout',
          controlClass: 'stack-layout-item',
          endClass: 'break'
        },
  
        isNative: function () {
          return true;
        }
      });
    }
  );
  /**
   * TabPanel.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a tab panel control.
   *
   * @-x-less TabPanel.less
   * @class tinymce.ui.TabPanel
   * @extends tinymce.ui.Panel
   *
   * @setting {Number} activeTab Active tab index.
   */
  define(
    'tinymce.ui.TabPanel',
    [
      "tinymce.ui.Panel",
      "tinymce.core.dom.DomQuery",
      "tinymce.ui.DomUtils"
    ],
    function (Panel, $, DomUtils) {
      "use strict";
  
      return Panel.extend({
        Defaults: {
          layout: 'absolute',
          defaults: {
            type: 'panel'
          }
        },
  
        /**
         * Activates the specified tab by index.
         *
         * @method activateTab
         * @param {Number} idx Index of the tab to activate.
         */
        activateTab: function (idx) {
          var activeTabElm;
  
          if (this.activeTabId) {
            activeTabElm = this.getEl(this.activeTabId);
            $(activeTabElm).removeClass(this.classPrefix + 'active');
            activeTabElm.setAttribute('aria-selected', "false");
          }
  
          this.activeTabId = 't' + idx;
  
          activeTabElm = this.getEl('t' + idx);
          activeTabElm.setAttribute('aria-selected', "true");
          $(activeTabElm).addClass(this.classPrefix + 'active');
  
          this.items()[idx].show().fire('showtab');
          this.reflow();
  
          this.items().each(function (item, i) {
            if (idx != i) {
              item.hide();
            }
          });
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, layout = self._layout, tabsHtml = '', prefix = self.classPrefix;
  
          self.preRender();
          layout.preRender(self);
  
          self.items().each(function (ctrl, i) {
            var id = self._id + '-t' + i;
  
            ctrl.aria('role', 'tabpanel');
            ctrl.aria('labelledby', id);
  
            tabsHtml += (
              '<div id="' + id + '" class="' + prefix + 'tab" ' +
              'unselectable="on" role="tab" aria-controls="' + ctrl._id + '" aria-selected="false" tabIndex="-1">' +
              self.encode(ctrl.settings.title) +
              '</div>'
            );
          });
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '" hidefocus="1" tabindex="-1">' +
            '<div id="' + self._id + '-head" class="' + prefix + 'tabs" role="tablist">' +
            tabsHtml +
            '</div>' +
            '<div id="' + self._id + '-body" class="' + self.bodyClasses + '">' +
            layout.renderHtml(self) +
            '</div>' +
            '</div>'
          );
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          self._super();
  
          self.settings.activeTab = self.settings.activeTab || 0;
          self.activateTab(self.settings.activeTab);
  
          this.on('click', function (e) {
            var targetParent = e.target.parentNode;
  
            if (targetParent && targetParent.id == self._id + '-head') {
              var i = targetParent.childNodes.length;
  
              while (i--) {
                if (targetParent.childNodes[i] == e.target) {
                  self.activateTab(i);
                }
              }
            }
          });
        },
  
        /**
         * Initializes the current controls layout rect.
         * This will be executed by the layout managers to determine the
         * default minWidth/minHeight etc.
         *
         * @method initLayoutRect
         * @return {Object} Layout rect instance.
         */
        initLayoutRect: function () {
          var self = this, rect, minW, minH;
  
          minW = DomUtils.getSize(self.getEl('head')).width;
          minW = minW < 0 ? 0 : minW;
          minH = 0;
  
          self.items().each(function (item) {
            minW = Math.max(minW, item.layoutRect().minW);
            minH = Math.max(minH, item.layoutRect().minH);
          });
  
          self.items().each(function (ctrl) {
            ctrl.settings.x = 0;
            ctrl.settings.y = 0;
            ctrl.settings.w = minW;
            ctrl.settings.h = minH;
  
            ctrl.layoutRect({
              x: 0,
              y: 0,
              w: minW,
              h: minH
            });
          });
  
          var headH = DomUtils.getSize(self.getEl('head')).height;
  
          self.settings.minWidth = minW;
          self.settings.minHeight = minH + headH;
  
          rect = self._super();
          rect.deltaH += headH;
          rect.innerH = rect.h - rect.deltaH;
  
          return rect;
        }
      });
    }
  );
  
  /**
   * TextBox.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /**
   * Creates a new textbox.
   *
   * @-x-less TextBox.less
   * @class tinymce.ui.TextBox
   * @extends tinymce.ui.Widget
   */
  define(
    'tinymce.ui.TextBox',
    [
      'global!document',
      'tinymce.core.util.Tools',
      'tinymce.ui.DomUtils',
      'tinymce.ui.Widget'
    ],
    function (document, Tools, DomUtils, Widget) {
      return Widget.extend({
        /**
         * Constructs a instance with the specified settings.
         *
         * @constructor
         * @param {Object} settings Name/value object with settings.
         * @setting {Boolean} multiline True if the textbox is a multiline control.
         * @setting {Number} maxLength Max length for the textbox.
         * @setting {Number} size Size of the textbox in characters.
         */
        init: function (settings) {
          var self = this;
  
          self._super(settings);
  
          self.classes.add('textbox');
  
          if (settings.multiline) {
            self.classes.add('multiline');
          } else {
            self.on('keydown', function (e) {
              var rootControl;
  
              if (e.keyCode == 13) {
                e.preventDefault();
  
                // Find root control that we can do toJSON on
                self.parents().reverse().each(function (ctrl) {
                  if (ctrl.toJSON) {
                    rootControl = ctrl;
                    return false;
                  }
                });
  
                // Fire event on current text box with the serialized data of the whole form
                self.fire('submit', { data: rootControl.toJSON() });
              }
            });
  
            self.on('keyup', function (e) {
              self.state.set('value', e.target.value);
            });
          }
        },
  
        /**
         * Repaints the control after a layout operation.
         *
         * @method repaint
         */
        repaint: function () {
          var self = this, style, rect, borderBox, borderW, borderH = 0, lastRepaintRect;
  
          style = self.getEl().style;
          rect = self._layoutRect;
          lastRepaintRect = self._lastRepaintRect || {};
  
          // Detect old IE 7+8 add lineHeight to align caret vertically in the middle
          var doc = document;
          if (!self.settings.multiline && doc.all && (!doc.documentMode || doc.documentMode <= 8)) {
            style.lineHeight = (rect.h - borderH) + 'px';
          }
  
          borderBox = self.borderBox;
          borderW = borderBox.left + borderBox.right + 8;
          borderH = borderBox.top + borderBox.bottom + (self.settings.multiline ? 8 : 0);
  
          if (rect.x !== lastRepaintRect.x) {
            style.left = rect.x + 'px';
            lastRepaintRect.x = rect.x;
          }
  
          if (rect.y !== lastRepaintRect.y) {
            style.top = rect.y + 'px';
            lastRepaintRect.y = rect.y;
          }
  
          if (rect.w !== lastRepaintRect.w) {
            style.width = (rect.w - borderW) + 'px';
            lastRepaintRect.w = rect.w;
          }
  
          if (rect.h !== lastRepaintRect.h) {
            style.height = (rect.h - borderH) + 'px';
            lastRepaintRect.h = rect.h;
          }
  
          self._lastRepaintRect = lastRepaintRect;
          self.fire('repaint', {}, false);
  
          return self;
        },
  
        /**
         * Renders the control as a HTML string.
         *
         * @method renderHtml
         * @return {String} HTML representing the control.
         */
        renderHtml: function () {
          var self = this, settings = self.settings, attrs, elm;
  
          attrs = {
            id: self._id,
            hidefocus: '1'
          };
  
          Tools.each([
            'rows', 'spellcheck', 'maxLength', 'size', 'readonly', 'min',
            'max', 'step', 'list', 'pattern', 'placeholder', 'required', 'multiple'
          ], function (name) {
            attrs[name] = settings[name];
          });
  
          if (self.disabled()) {
            attrs.disabled = 'disabled';
          }
  
          if (settings.subtype) {
            attrs.type = settings.subtype;
          }
  
          elm = DomUtils.create(settings.multiline ? 'textarea' : 'input', attrs);
          elm.value = self.state.get('value');
          elm.className = self.classes;
  
          return elm.outerHTML;
        },
  
        value: function (value) {
          if (arguments.length) {
            this.state.set('value', value);
            return this;
          }
  
          // Make sure the real state is in sync
          if (this.state.get('rendered')) {
            this.state.set('value', this.getEl().value);
          }
  
          return this.state.get('value');
        },
  
        /**
         * Called after the control has been rendered.
         *
         * @method postRender
         */
        postRender: function () {
          var self = this;
  
          self.getEl().value = self.state.get('value');
          self._super();
  
          self.$el.on('change', function (e) {
            self.state.set('value', e.target.value);
            self.fire('change', e);
          });
        },
  
        bindStates: function () {
          var self = this;
  
          self.state.on('change:value', function (e) {
            if (self.getEl().value != e.value) {
              self.getEl().value = e.value;
            }
          });
  
          self.state.on('change:disabled', function (e) {
            self.getEl().disabled = e.value;
          });
  
          return self._super();
        },
  
        remove: function () {
          this.$el.off();
          this._super();
        }
      });
    }
  );
  
  /**
   * Api.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.ui.Api',
    [
      'tinymce.core.ui.Factory',
      'tinymce.core.util.Tools',
      'tinymce.ui.AbsoluteLayout',
      'tinymce.ui.BrowseButton',
      'tinymce.ui.Button',
      'tinymce.ui.ButtonGroup',
      'tinymce.ui.Checkbox',
      'tinymce.ui.Collection',
      'tinymce.ui.ColorBox',
      'tinymce.ui.ColorButton',
      'tinymce.ui.ColorPicker',
      'tinymce.ui.ComboBox',
      'tinymce.ui.Container',
      'tinymce.ui.Control',
      'tinymce.ui.DragHelper',
      'tinymce.ui.DropZone',
      'tinymce.ui.ElementPath',
      'tinymce.ui.FieldSet',
      'tinymce.ui.FilePicker',
      'tinymce.ui.FitLayout',
      'tinymce.ui.FlexLayout',
      'tinymce.ui.FloatPanel',
      'tinymce.ui.FlowLayout',
      'tinymce.ui.Form',
      'tinymce.ui.FormatControls',
      'tinymce.ui.FormItem',
      'tinymce.ui.GridLayout',
      'tinymce.ui.Iframe',
      'tinymce.ui.InfoBox',
      'tinymce.ui.KeyboardNavigation',
      'tinymce.ui.Label',
      'tinymce.ui.Layout',
      'tinymce.ui.ListBox',
      'tinymce.ui.Menu',
      'tinymce.ui.MenuBar',
      'tinymce.ui.MenuButton',
      'tinymce.ui.MenuItem',
      'tinymce.ui.MessageBox',
      'tinymce.ui.Movable',
      'tinymce.ui.Notification',
      'tinymce.ui.Panel',
      'tinymce.ui.PanelButton',
      'tinymce.ui.Path',
      'tinymce.ui.Progress',
      'tinymce.ui.Radio',
      'tinymce.ui.ReflowQueue',
      'tinymce.ui.Resizable',
      'tinymce.ui.ResizeHandle',
      'tinymce.ui.Scrollable',
      'tinymce.ui.SelectBox',
      'tinymce.ui.Selector',
      'tinymce.ui.Slider',
      'tinymce.ui.Spacer',
      'tinymce.ui.SplitButton',
      'tinymce.ui.StackLayout',
      'tinymce.ui.TabPanel',
      'tinymce.ui.TextBox',
      'tinymce.ui.Throbber',
      'tinymce.ui.Toolbar',
      'tinymce.ui.Tooltip',
      'tinymce.ui.Widget',
      'tinymce.ui.Window'
    ],
    function (
      Factory, Tools, AbsoluteLayout, BrowseButton, Button, ButtonGroup, Checkbox, Collection, ColorBox, ColorButton, ColorPicker, ComboBox, Container, Control,
      DragHelper, DropZone, ElementPath, FieldSet, FilePicker, FitLayout, FlexLayout, FloatPanel, FlowLayout, Form, FormatControls, FormItem, GridLayout, Iframe,
      InfoBox, KeyboardNavigation, Label, Layout, ListBox, Menu, MenuBar, MenuButton, MenuItem, MessageBox, Movable, Notification, Panel, PanelButton, Path, Progress,
      Radio, ReflowQueue, Resizable, ResizeHandle, Scrollable, SelectBox, Selector, Slider, Spacer, SplitButton, StackLayout, TabPanel, TextBox, Throbber, Toolbar,
      Tooltip, Widget, Window
    ) {
      var getApi = function () {
        return {
          Selector: Selector,
          Collection: Collection,
          ReflowQueue: ReflowQueue,
          Control: Control,
          Factory: Factory,
          KeyboardNavigation: KeyboardNavigation,
          Container: Container,
          DragHelper: DragHelper,
          Scrollable: Scrollable,
          Panel: Panel,
          Movable: Movable,
          Resizable: Resizable,
          FloatPanel: FloatPanel,
          Window: Window,
          MessageBox: MessageBox,
          Tooltip: Tooltip,
          Widget: Widget,
          Progress: Progress,
          Notification: Notification,
          Layout: Layout,
          AbsoluteLayout: AbsoluteLayout,
          Button: Button,
          ButtonGroup: ButtonGroup,
          Checkbox: Checkbox,
          ComboBox: ComboBox,
          ColorBox: ColorBox,
          PanelButton: PanelButton,
          ColorButton: ColorButton,
          ColorPicker: ColorPicker,
          Path: Path,
          ElementPath: ElementPath,
          FormItem: FormItem,
          Form: Form,
          FieldSet: FieldSet,
          FilePicker: FilePicker,
          FitLayout: FitLayout,
          FlexLayout: FlexLayout,
          FlowLayout: FlowLayout,
          FormatControls: FormatControls,
          GridLayout: GridLayout,
          Iframe: Iframe,
          InfoBox: InfoBox,
          Label: Label,
          Toolbar: Toolbar,
          MenuBar: MenuBar,
          MenuButton: MenuButton,
          MenuItem: MenuItem,
          Throbber: Throbber,
          Menu: Menu,
          ListBox: ListBox,
          Radio: Radio,
          ResizeHandle: ResizeHandle,
          SelectBox: SelectBox,
          Slider: Slider,
          Spacer: Spacer,
          SplitButton: SplitButton,
          StackLayout: StackLayout,
          TabPanel: TabPanel,
          TextBox: TextBox,
          DropZone: DropZone,
          BrowseButton: BrowseButton
        };
      };
  
      var appendTo = function (target) {
        if (target.ui) {
          Tools.each(getApi(), function (ref, key) {
            target.ui[key] = ref;
          });
        } else {
          target.ui = getApi();
        }
      };
  
      var registerToFactory = function () {
        Tools.each(getApi(), function (ref, key) {
          Factory.add(key, ref);
        });
      };
  
      var Api = {
        appendTo: appendTo,
        registerToFactory: registerToFactory
      };
  
      return Api;
    }
  );
  /**
   * Theme.js
   *
   * Released under LGPL License.
   * Copyright (c) 1999-2016 Ephox Corp. All rights reserved
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  define(
    'tinymce.themes.modern.Theme',
    [
      'global!window',
      'tinymce.core.ThemeManager',
      'tinymce.themes.modern.api.ThemeApi',
      'tinymce.ui.Api',
      'tinymce.ui.FormatControls'
    ],
    function (window, ThemeManager, ThemeApi, Api, FormatControls) {
      Api.registerToFactory();
      Api.appendTo(window.tinymce ? window.tinymce : {});
  
      ThemeManager.add('modern', function (editor) {
        FormatControls.setup(editor);
        return ThemeApi.get(editor);
      });
  
      return function () { };
    }
  );
  
  dem('tinymce.themes.modern.Theme')();
  })();
  