text: /**
   * plugin.js
   *
   * Copyright, Moxiecode Systems AB
   * Released under LGPL License.
   *
   * License: http://www.tinymce.com/license
   * Contributing: http://www.tinymce.com/contributing
   */
  
  /*global tinymce:true */
  
  tinymce.PluginManager.add('image', function(editor) {
  	function getImageSize(url, callback) {
  		var img = document.createElement('img');
  
  		function done(width, height) {
  			if (img.parentNode) {
  				img.parentNode.removeChild(img);
  			}
  
  			callback({width: width, height: height});
  		}
  
  		img.onload = function() {
  			done(img.clientWidth, img.clientHeight);
  		};
  
  		img.onerror = function() {
  			done();
  		};
  
  		var style = img.style;
  		style.visibility = 'hidden';
  		style.position = 'fixed';
  		style.bottom = style.left = 0;
  		style.width = style.height = 'auto';
  
  		document.body.appendChild(img);
  		img.src = url;
  	}
  
  	function applyPreview(items) {
  		tinymce.each(items, function(item) {
  			item.textStyle = function() {
  				return editor.formatter.getCssText({inline: 'img', classes: [item.value]});
  			};
  		});
  
  		return items;
  	}
  
  	function createImageList(callback) {
  		return function() {
  			var imageList = editor.settings.image_list;
  
  			if (typeof(imageList) == "string") {
  				tinymce.util.XHR.send({
  					url: imageList,
  					success: function(text) {
  						callback(tinymce.util.JSON.parse(text));
  					}
  				});
  			} else {
  				callback(imageList);
  			}
  		};
  	}
  
  	function showDialog(imageList) {
  		var win, data = {}, dom = editor.dom, imgElm = editor.selection.getNode();
  		var width, height, imageListCtrl, classListCtrl;
  
  		function buildValues(listSettingName, dataItemName, defaultItems) {
  			var selectedItem, items = [];
  
  			tinymce.each(editor.settings[listSettingName] || defaultItems, function(target) {
  				var item = {
  					text: target.text || target.title,
  					value: target.value
  				};
  
  				items.push(item);
  
  				if (data[dataItemName] === target.value || (!selectedItem && target.selected)) {
  					selectedItem = item;
  				}
  			});
  
  			if (selectedItem && !data[dataItemName]) {
  				data[dataItemName] = selectedItem.value;
  				selectedItem.selected = true;
  			}
  
  			return items;
  		}
  
  		function buildImageList() {
  			var imageListItems = [{text: 'None', value: ''}];
  
  			tinymce.each(imageList, function(image) {
  				imageListItems.push({
  					text: image.text || image.title,
  					value: editor.convertURL(image.value || image.url, 'src'),
  					menu: image.menu
  				});
  			});
  
  			return imageListItems;
  		}
  
  		function recalcSize() {
  			var widthCtrl, heightCtrl, newWidth, newHeight;
  
  			widthCtrl = win.find('#width')[0];
  			heightCtrl = win.find('#height')[0];
  
  			newWidth = widthCtrl.value();
  			newHeight = heightCtrl.value();
  
  			if (win.find('#constrain')[0].checked() && width && height && newWidth && newHeight) {
  				if (width != newWidth) {
  					newHeight = Math.round((newWidth / width) * newHeight);
  					heightCtrl.value(newHeight);
  				} else {
  					newWidth = Math.round((newHeight / height) * newWidth);
  					widthCtrl.value(newWidth);
  				}
  			}
  
  			width = newWidth;
  			height = newHeight;
  		}
  
  		function onSubmitForm() {
  			function waitLoad(imgElm) {
  				function selectImage() {
  					imgElm.onload = imgElm.onerror = null;
  					editor.selection.select(imgElm);
  					editor.nodeChanged();
  				}
  
  				imgElm.onload = function() {
  					if (!data.width && !data.height) {
  						dom.setAttribs(imgElm, {
  							width: imgElm.clientWidth,
  							height: imgElm.clientHeight
  						});
  						//WP
  						editor.fire( 'wpNewImageRefresh', { node: imgElm } );
  					}
  
  					selectImage();
  				};
  
  				imgElm.onerror = selectImage;
  			}
  
  			updateStyle();
  			recalcSize();
  
  			data = tinymce.extend(data, win.toJSON());
  			var caption = data.caption; // WP
  
  			if (!data.alt) {
  				data.alt = '';
  			}
  
  			if (data.width === '') {
  				data.width = null;
  			}
  
  			if (data.height === '') {
  				data.height = null;
  			}
  
  			if (data.style === '') {
  				data.style = null;
  			}
  
  			data = {
  				src: data.src,
  				alt: data.alt,
  				width: data.width,
  				height: data.height,
  				style: data.style,
  				"class": data["class"]
  			};
  
  			if (!data["class"]) {
  				delete data["class"];
  			}
  
  			editor.undoManager.transact(function() {
  				// WP
  				var eventData = { node: imgElm, data: data, caption: caption };
  
  				editor.fire( 'wpImageFormSubmit', { imgData: eventData } );
  
  				if ( eventData.cancel ) {
  					waitLoad( eventData.node );
  					return;
  				}
  				// WP end
  
  				if (!data.src) {
  					if (imgElm) {
  						dom.remove(imgElm);
  						editor.focus();
  						editor.nodeChanged();
  					}
  
  					return;
  				}
  
  				if (!imgElm) {
  					data.id = '__mcenew';
  					editor.focus();
  					editor.selection.setContent(dom.createHTML('img', data));
  					imgElm = dom.get('__mcenew');
  					dom.setAttrib(imgElm, 'id', null);
  				} else {
  					dom.setAttribs(imgElm, data);
  				}
  
  				waitLoad(imgElm);
  			});
  		}
  
  		function removePixelSuffix(value) {
  			if (value) {
  				value = value.replace(/px$/, '');
  			}
  
  			return value;
  		}
  
  		function srcChange() {
  			if (imageListCtrl) {
  				imageListCtrl.value(editor.convertURL(this.value(), 'src'));
  			}
  
  			getImageSize(this.value(), function(data) {
  				if (data.width && data.height) {
  					width = data.width;
  					height = data.height;
  
  					win.find('#width').value(width);
  					win.find('#height').value(height);
  				}
  			});
  		}
  
  		width = dom.getAttrib(imgElm, 'width');
  		height = dom.getAttrib(imgElm, 'height');
  
  		if (imgElm.nodeName == 'IMG' && !imgElm.getAttribute('data-mce-object') && !imgElm.getAttribute('data-mce-placeholder')) {
  			data = {
  				src: dom.getAttrib(imgElm, 'src'),
  				alt: dom.getAttrib(imgElm, 'alt'),
  				"class": dom.getAttrib(imgElm, 'class'),
  				width: width,
  				height: height
  			};
  
  			// WP
  			editor.fire( 'wpLoadImageData', { imgData: { data: data, node: imgElm } } );
  		} else {
  			imgElm = null;
  		}
  
  		if (imageList) {
  			imageListCtrl = {
  				type: 'listbox',
  				label: 'Image list',
  				values: buildImageList(),
  				value: data.src && editor.convertURL(data.src, 'src'),
  				onselect: function(e) {
  					var altCtrl = win.find('#alt');
  
  					if (!altCtrl.value() || (e.lastControl && altCtrl.value() == e.lastControl.text())) {
  						altCtrl.value(e.control.text());
  					}
  
  					win.find('#src').value(e.control.value());
  				},
  				onPostRender: function() {
  					imageListCtrl = this;
  				}
  			};
  		}
  
  		if (editor.settings.image_class_list) {
  			classListCtrl = {
  				name: 'class',
  				type: 'listbox',
  				label: 'Class',
  				values: applyPreview(buildValues('image_class_list', 'class'))
  			};
  		}
  
  		// General settings shared between simple and advanced dialogs
  		var generalFormItems = [
  			{name: 'src', type: 'filepicker', filetype: 'image', label: 'Source', autofocus: true, onchange: srcChange},
  			imageListCtrl
  		];
  
  		if (editor.settings.image_description !== false) {
  			generalFormItems.push({name: 'alt', type: 'textbox', label: 'Image description'});
  		}
  
  		if (editor.settings.image_dimensions !== false) {
  			generalFormItems.push({
  				type: 'container',
  				label: 'Dimensions',
  				layout: 'flex',
  				direction: 'row',
  				align: 'center',
  				spacing: 5,
  				items: [
  					{name: 'width', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Width'},
  					{type: 'label', text: 'x'},
  					{name: 'height', type: 'textbox', maxLength: 5, size: 3, onchange: recalcSize, ariaLabel: 'Height'},
  					{name: 'constrain', type: 'checkbox', checked: true, text: 'Constrain proportions'}
  				]
  			});
  		}
  
  		generalFormItems.push(classListCtrl);
  
  		// WP
  		editor.fire( 'wpLoadImageForm', { data: generalFormItems } );
  
  		function updateStyle() {
  			function addPixelSuffix(value) {
  				if (value.length > 0 && /^[0-9]+$/.test(value)) {
  					value += 'px';
  				}
  
  				return value;
  			}
  
  			if (!editor.settings.image_advtab) {
  				return;
  			}
  
  			var data = win.toJSON();
  			var css = dom.parseStyle(data.style);
  
  			delete css.margin;
  			css['margin-top'] = css['margin-bottom'] = addPixelSuffix(data.vspace);
  			css['margin-left'] = css['margin-right'] = addPixelSuffix(data.hspace);
  			css['border-width'] = addPixelSuffix(data.border);
  
  			win.find('#style').value(dom.serializeStyle(dom.parseStyle(dom.serializeStyle(css))));
  		}
  
  		if (editor.settings.image_advtab) {
  			// Parse styles from img
  			if (imgElm) {
  				data.hspace = removePixelSuffix(imgElm.style.marginLeft || imgElm.style.marginRight);
  				data.vspace = removePixelSuffix(imgElm.style.marginTop || imgElm.style.marginBottom);
  				data.border = removePixelSuffix(imgElm.style.borderWidth);
  				data.style = editor.dom.serializeStyle(editor.dom.parseStyle(editor.dom.getAttrib(imgElm, 'style')));
  			}
  
  			// Advanced dialog shows general+advanced tabs
  			win = editor.windowManager.open({
  				title: 'Insert/edit image',
  				data: data,
  				bodyType: 'tabpanel',
  				body: [
  					{
  						title: 'General',
  						type: 'form',
  						items: generalFormItems
  					},
  
  					{
  						title: 'Advanced',
  						type: 'form',
  						pack: 'start',
  						items: [
  							{
  								label: 'Style',
  								name: 'style',
  								type: 'textbox'
  							},
  							{
  								type: 'form',
  								layout: 'grid',
  								packV: 'start',
  								columns: 2,
  								padding: 0,
  								alignH: ['left', 'right'],
  								defaults: {
  									type: 'textbox',
  									maxWidth: 50,
  									onchange: updateStyle
  								},
  								items: [
  									{label: 'Vertical space', name: 'vspace'},
  									{label: 'Horizontal space', name: 'hspace'},
  									{label: 'Border', name: 'border'}
  								]
  							}
  						]
  					}
  				],
  				onSubmit: onSubmitForm
  			});
  		} else {
  			// Simple default dialog
  			win = editor.windowManager.open({
  				title: 'Insert/edit image',
  				data: data,
  				body: generalFormItems,
  				onSubmit: onSubmitForm
  			});
  		}
  	}
  
  	// WP
  	editor.addCommand( 'mceImage', function() {
  		createImageList( showDialog )();
  	});
  
  	editor.addButton('image', {
  		icon: 'image',
  		tooltip: 'Insert/edit image',
  		onclick: createImageList(showDialog),
  		stateSelector: 'img:not([data-mce-object],[data-mce-placeholder])'
  	});
  
  	editor.addMenuItem('image', {
  		icon: 'image',
  		text: 'Insert image',
  		onclick: createImageList(showDialog),
  		context: 'insert',
  		prependToContext: true
  	});
  });
  