text: /*!
   * jQuery UI Droppable 1.11.4
   * http://jqueryui.com
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license.
   * http://jquery.org/license
   *
   * http://api.jqueryui.com/droppable/
   */
  (function (factory) {
      if (typeof define === "function" && define.amd) {
  
          // AMD. Register as an anonymous module.
          define([
              "jquery",
              "./core",
              "./widget",
              "./mouse",
              "./draggable"
          ], factory);
      } else {
  
          // Browser globals
          factory(jQuery);
      }
  }(function ($) {
  
      $.widget("ui.droppable", {
          version: "1.11.4",
          widgetEventPrefix: "drop",
          options: {
              accept: "*",
              activeClass: false,
              addClasses: true,
              greedy: false,
              hoverClass: false,
              scope: "default",
              tolerance: "intersect",
  
              // callbacks
              activate: null,
              deactivate: null,
              drop: null,
              out: null,
              over: null
          },
          _create: function () {
  
              var proportions,
                  o = this.options,
                  accept = o.accept;
  
              this.isover = false;
              this.isout = true;
  
              this.accept = $.isFunction(accept) ? accept : function (d) {
                  return d.is(accept);
              };
  
              this.proportions = function (/* valueToWrite */) {
                  if (arguments.length) {
                      // Store the droppable's proportions
                      proportions = arguments[0];
                  } else {
                      // Retrieve or derive the droppable's proportions
                      return proportions ?
                          proportions :
                          proportions = {
                              width: this.element[0].offsetWidth,
                              height: this.element[0].offsetHeight
                          };
                  }
              };
  
              this._addToManager(o.scope);
  
              o.addClasses && this.element.addClass("ui-droppable");
  
          },
  
          _addToManager: function (scope) {
              // Add the reference and positions to the manager
              $.ui.ddmanager.droppables[scope] = $.ui.ddmanager.droppables[scope] || [];
              $.ui.ddmanager.droppables[scope].push(this);
          },
  
          _splice: function (drop) {
              var i = 0;
              for (; i < drop.length; i++) {
                  if (drop[i] === this) {
                      drop.splice(i, 1);
                  }
              }
          },
  
          _destroy: function () {
              var drop = $.ui.ddmanager.droppables[this.options.scope];
  
              this._splice(drop);
  
              this.element.removeClass("ui-droppable ui-droppable-disabled");
          },
  
          _setOption: function (key, value) {
  
              if (key === "accept") {
                  this.accept = $.isFunction(value) ? value : function (d) {
                      return d.is(value);
                  };
              } else if (key === "scope") {
                  var drop = $.ui.ddmanager.droppables[this.options.scope];
  
                  this._splice(drop);
                  this._addToManager(value);
              }
  
              this._super(key, value);
          },
  
          _activate: function (event) {
              var draggable = $.ui.ddmanager.current;
              if (this.options.activeClass) {
                  this.element.addClass(this.options.activeClass);
              }
              if (draggable) {
                  this._trigger("activate", event, this.ui(draggable));
              }
          },
  
          _deactivate: function (event) {
              var draggable = $.ui.ddmanager.current;
              if (this.options.activeClass) {
                  this.element.removeClass(this.options.activeClass);
              }
              if (draggable) {
                  this._trigger("deactivate", event, this.ui(draggable));
              }
          },
  
          _over: function (event) {
  
              var draggable = $.ui.ddmanager.current;
  
              // Bail if draggable and droppable are same element
              if (!draggable || ( draggable.currentItem || draggable.element )[0] === this.element[0]) {
                  return;
              }
  
              if (this.accept.call(this.element[0], ( draggable.currentItem || draggable.element ))) {
                  if (this.options.hoverClass) {
                      this.element.addClass(this.options.hoverClass);
                  }
                  this._trigger("over", event, this.ui(draggable));
              }
  
          },
  
          _out: function (event) {
  
              var draggable = $.ui.ddmanager.current;
  
              // Bail if draggable and droppable are same element
              if (!draggable || ( draggable.currentItem || draggable.element )[0] === this.element[0]) {
                  return;
              }
  
              if (this.accept.call(this.element[0], ( draggable.currentItem || draggable.element ))) {
                  if (this.options.hoverClass) {
                      this.element.removeClass(this.options.hoverClass);
                  }
                  this._trigger("out", event, this.ui(draggable));
              }
  
          },
  
          _drop: function (event, custom) {
  
              var draggable = custom || $.ui.ddmanager.current,
                  childrenIntersection = false;
  
              // Bail if draggable and droppable are same element
              if (!draggable || ( draggable.currentItem || draggable.element )[0] === this.element[0]) {
                  return false;
              }
  
              this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function () {
                  var inst = $(this).droppable("instance");
                  if (
                      inst.options.greedy &&
                      !inst.options.disabled &&
                      inst.options.scope === draggable.options.scope &&
                      inst.accept.call(inst.element[0], ( draggable.currentItem || draggable.element )) &&
                      $.ui.intersect(draggable, $.extend(inst, {offset: inst.element.offset()}), inst.options.tolerance, event)
                  ) {
                      childrenIntersection = true;
                      return false;
                  }
              });
              if (childrenIntersection) {
                  return false;
              }
  
              if (this.accept.call(this.element[0], ( draggable.currentItem || draggable.element ))) {
                  if (this.options.activeClass) {
                      this.element.removeClass(this.options.activeClass);
                  }
                  if (this.options.hoverClass) {
                      this.element.removeClass(this.options.hoverClass);
                  }
                  this._trigger("drop", event, this.ui(draggable));
                  return this.element;
              }
  
              return false;
  
          },
  
          ui: function (c) {
              return {
                  draggable: ( c.currentItem || c.element ),
                  helper: c.helper,
                  position: c.position,
                  offset: c.positionAbs
              };
          }
  
      });
  
      $.ui.intersect = (function () {
          function isOverAxis(x, reference, size) {
              return ( x >= reference ) && ( x < ( reference + size ) );
          }
  
          return function (draggable, droppable, toleranceMode, event) {
  
              if (!droppable.offset) {
                  return false;
              }
  
              var x1 = ( draggable.positionAbs || draggable.position.absolute ).left + draggable.margins.left,
                  y1 = ( draggable.positionAbs || draggable.position.absolute ).top + draggable.margins.top,
                  x2 = x1 + draggable.helperProportions.width,
                  y2 = y1 + draggable.helperProportions.height,
                  l = droppable.offset.left,
                  t = droppable.offset.top,
                  r = l + droppable.proportions().width,
                  b = t + droppable.proportions().height;
  
              switch (toleranceMode) {
                  case "fit":
                      return ( l <= x1 && x2 <= r && t <= y1 && y2 <= b );
                  case "intersect":
                      return ( l < x1 + ( draggable.helperProportions.width / 2 ) && // Right Half
                          x2 - ( draggable.helperProportions.width / 2 ) < r && // Left Half
                          t < y1 + ( draggable.helperProportions.height / 2 ) && // Bottom Half
                          y2 - ( draggable.helperProportions.height / 2 ) < b ); // Top Half
                  case "pointer":
                      return isOverAxis(event.pageY, t, droppable.proportions().height) && isOverAxis(event.pageX, l, droppable.proportions().width);
                  case "touch":
                      return (
                          ( y1 >= t && y1 <= b ) || // Top edge touching
                          ( y2 >= t && y2 <= b ) || // Bottom edge touching
                          ( y1 < t && y2 > b ) // Surrounded vertically
                      ) && (
                          ( x1 >= l && x1 <= r ) || // Left edge touching
                          ( x2 >= l && x2 <= r ) || // Right edge touching
                          ( x1 < l && x2 > r ) // Surrounded horizontally
                      );
                  default:
                      return false;
              }
          };
      })();
  
      /*
          This manager tracks offsets of draggables and droppables
      */
      $.ui.ddmanager = {
          current: null,
          droppables: {"default": []},
          prepareOffsets: function (t, event) {
  
              var i, j,
                  m = $.ui.ddmanager.droppables[t.options.scope] || [],
                  type = event ? event.type : null, // workaround for #2317
                  list = ( t.currentItem || t.element ).find(":data(ui-droppable)").addBack();
  
              droppablesLoop: for (i = 0; i < m.length; i++) {
  
                  // No disabled and non-accepted
                  if (m[i].options.disabled || ( t && !m[i].accept.call(m[i].element[0], ( t.currentItem || t.element )) )) {
                      continue;
                  }
  
                  // Filter out elements in the current dragged item
                  for (j = 0; j < list.length; j++) {
                      if (list[j] === m[i].element[0]) {
                          m[i].proportions().height = 0;
                          continue droppablesLoop;
                      }
                  }
  
                  m[i].visible = m[i].element.css("display") !== "none";
                  if (!m[i].visible) {
                      continue;
                  }
  
                  // Activate the droppable if used directly from draggables
                  if (type === "mousedown") {
                      m[i]._activate.call(m[i], event);
                  }
  
                  m[i].offset = m[i].element.offset();
                  m[i].proportions({width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight});
  
              }
  
          },
          drop: function (draggable, event) {
  
              var dropped = false;
              // Create a copy of the droppables in case the list changes during the drop (#9116)
              $.each(( $.ui.ddmanager.droppables[draggable.options.scope] || [] ).slice(), function () {
  
                  if (!this.options) {
                      return;
                  }
                  if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance, event)) {
                      dropped = this._drop.call(this, event) || dropped;
                  }
  
                  if (!this.options.disabled && this.visible && this.accept.call(this.element[0], ( draggable.currentItem || draggable.element ))) {
                      this.isout = true;
                      this.isover = false;
                      this._deactivate.call(this, event);
                  }
  
              });
              return dropped;
  
          },
          dragStart: function (draggable, event) {
              // Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
              draggable.element.parentsUntil("body").bind("scroll.droppable", function () {
                  if (!draggable.options.refreshPositions) {
                      $.ui.ddmanager.prepareOffsets(draggable, event);
                  }
              });
          },
          drag: function (draggable, event) {
  
              // If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
              if (draggable.options.refreshPositions) {
                  $.ui.ddmanager.prepareOffsets(draggable, event);
              }
  
              // Run through all droppables and check their positions based on specific tolerance options
              $.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function () {
  
                  if (this.options.disabled || this.greedyChild || !this.visible) {
                      return;
                  }
  
                  var parentInstance, scope, parent,
                      intersects = $.ui.intersect(draggable, this, this.options.tolerance, event),
                      c = !intersects && this.isover ? "isout" : ( intersects && !this.isover ? "isover" : null );
                  if (!c) {
                      return;
                  }
  
                  if (this.options.greedy) {
                      // find droppable parents with same scope
                      scope = this.options.scope;
                      parent = this.element.parents(":data(ui-droppable)").filter(function () {
                          return $(this).droppable("instance").options.scope === scope;
                      });
  
                      if (parent.length) {
                          parentInstance = $(parent[0]).droppable("instance");
                          parentInstance.greedyChild = ( c === "isover" );
                      }
                  }
  
                  // we just moved into a greedy child
                  if (parentInstance && c === "isover") {
                      parentInstance.isover = false;
                      parentInstance.isout = true;
                      parentInstance._out.call(parentInstance, event);
                  }
  
                  this[c] = true;
                  this[c === "isout" ? "isover" : "isout"] = false;
                  this[c === "isover" ? "_over" : "_out"].call(this, event);
  
                  // we just moved out of a greedy child
                  if (parentInstance && c === "isout") {
                      parentInstance.isout = false;
                      parentInstance.isover = true;
                      parentInstance._over.call(parentInstance, event);
                  }
              });
  
          },
          dragStop: function (draggable, event) {
              draggable.element.parentsUntil("body").unbind("scroll.droppable");
              // Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
              if (!draggable.options.refreshPositions) {
                  $.ui.ddmanager.prepareOffsets(draggable, event);
              }
          }
      };
  
      return $.ui.droppable;
  
  }));
  