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media-editor.js (29119B)

---

 /**
  * @output wp-includes/js/media-editor.js
  */
 
 /* global getUserSetting, tinymce, QTags */
 
 // WordPress, TinyMCE, and Media
 // -----------------------------
 (function($, _){
 	/**
 	 * Stores the editors' `wp.media.controller.Frame` instances.
 	 *
 	 * @static
 	 */
 	var workflows = {};
 
 	/**
 	 * A helper mixin function to avoid truthy and falsey values being
 	 *   passed as an input that expects booleans. If key is undefined in the map,
 	 *   but has a default value, set it.
 	 *
 	 * @param {Object} attrs Map of props from a shortcode or settings.
 	 * @param {string} key The key within the passed map to check for a value.
 	 * @return {mixed|undefined} The original or coerced value of key within attrs.
 	 */
 	wp.media.coerce = function ( attrs, key ) {
 		if ( _.isUndefined( attrs[ key ] ) && ! _.isUndefined( this.defaults[ key ] ) ) {
 			attrs[ key ] = this.defaults[ key ];
 		} else if ( 'true' === attrs[ key ] ) {
 			attrs[ key ] = true;
 		} else if ( 'false' === attrs[ key ] ) {
 			attrs[ key ] = false;
 		}
 		return attrs[ key ];
 	};
 
 	/** @namespace wp.media.string */
 	wp.media.string = {
 		/**
 		 * Joins the `props` and `attachment` objects,
 		 * outputting the proper object format based on the
 		 * attachment's type.
 		 *
 		 * @param {Object} [props={}] Attachment details (align, link, size, etc).
 		 * @param {Object} attachment The attachment object, media version of Post.
 		 * @return {Object} Joined props
 		 */
 		props: function( props, attachment ) {
 			var link, linkUrl, size, sizes,
 				defaultProps = wp.media.view.settings.defaultProps;
 
 			props = props ? _.clone( props ) : {};
 
 			if ( attachment && attachment.type ) {
 				props.type = attachment.type;
 			}
 
 			if ( 'image' === props.type ) {
 				props = _.defaults( props || {}, {
 					align:   defaultProps.align || getUserSetting( 'align', 'none' ),
 					size:    defaultProps.size  || getUserSetting( 'imgsize', 'medium' ),
 					url:     '',
 					classes: []
 				});
 			}
 
 			// All attachment-specific settings follow.
 			if ( ! attachment ) {
 				return props;
 			}
 
 			props.title = props.title || attachment.title;
 
 			link = props.link || defaultProps.link || getUserSetting( 'urlbutton', 'file' );
 			if ( 'file' === link || 'embed' === link ) {
 				linkUrl = attachment.url;
 			} else if ( 'post' === link ) {
 				linkUrl = attachment.link;
 			} else if ( 'custom' === link ) {
 				linkUrl = props.linkUrl;
 			}
 			props.linkUrl = linkUrl || '';
 
 			// Format properties for images.
 			if ( 'image' === attachment.type ) {
 				props.classes.push( 'wp-image-' + attachment.id );
 
 				sizes = attachment.sizes;
 				size = sizes && sizes[ props.size ] ? sizes[ props.size ] : attachment;
 
 				_.extend( props, _.pick( attachment, 'align', 'caption', 'alt' ), {
 					width:     size.width,
 					height:    size.height,
 					src:       size.url,
 					captionId: 'attachment_' + attachment.id
 				});
 			} else if ( 'video' === attachment.type || 'audio' === attachment.type ) {
 				_.extend( props, _.pick( attachment, 'title', 'type', 'icon', 'mime' ) );
 			// Format properties for non-images.
 			} else {
 				props.title = props.title || attachment.filename;
 				props.rel = props.rel || 'attachment wp-att-' + attachment.id;
 			}
 
 			return props;
 		},
 		/**
 		 * Create link markup that is suitable for passing to the editor
 		 *
 		 * @param {Object} props Attachment details (align, link, size, etc).
 		 * @param {Object} attachment The attachment object, media version of Post.
 		 * @return {string} The link markup
 		 */
 		link: function( props, attachment ) {
 			var options;
 
 			props = wp.media.string.props( props, attachment );
 
 			options = {
 				tag:     'a',
 				content: props.title,
 				attrs:   {
 					href: props.linkUrl
 				}
 			};
 
 			if ( props.rel ) {
 				options.attrs.rel = props.rel;
 			}
 
 			return wp.html.string( options );
 		},
 		/**
 		 * Create an Audio shortcode string that is suitable for passing to the editor
 		 *
 		 * @param {Object} props Attachment details (align, link, size, etc).
 		 * @param {Object} attachment The attachment object, media version of Post.
 		 * @return {string} The audio shortcode
 		 */
 		audio: function( props, attachment ) {
 			return wp.media.string._audioVideo( 'audio', props, attachment );
 		},
 		/**
 		 * Create a Video shortcode string that is suitable for passing to the editor
 		 *
 		 * @param {Object} props Attachment details (align, link, size, etc).
 		 * @param {Object} attachment The attachment object, media version of Post.
 		 * @return {string} The video shortcode
 		 */
 		video: function( props, attachment ) {
 			return wp.media.string._audioVideo( 'video', props, attachment );
 		},
 		/**
 		 * Helper function to create a media shortcode string
 		 *
 		 * @access private
 		 *
 		 * @param {string} type The shortcode tag name: 'audio' or 'video'.
 		 * @param {Object} props Attachment details (align, link, size, etc).
 		 * @param {Object} attachment The attachment object, media version of Post.
 		 * @return {string} The media shortcode
 		 */
 		_audioVideo: function( type, props, attachment ) {
 			var shortcode, html, extension;
 
 			props = wp.media.string.props( props, attachment );
 			if ( props.link !== 'embed' ) {
 				return wp.media.string.link( props );
 			}
 
 			shortcode = {};
 
 			if ( 'video' === type ) {
 				if ( attachment.image && -1 === attachment.image.src.indexOf( attachment.icon ) ) {
 					shortcode.poster = attachment.image.src;
 				}
 
 				if ( attachment.width ) {
 					shortcode.width = attachment.width;
 				}
 
 				if ( attachment.height ) {
 					shortcode.height = attachment.height;
 				}
 			}
 
 			extension = attachment.filename.split('.').pop();
 
 			if ( _.contains( wp.media.view.settings.embedExts, extension ) ) {
 				shortcode[extension] = attachment.url;
 			} else {
 				// Render unsupported audio and video files as links.
 				return wp.media.string.link( props );
 			}
 
 			html = wp.shortcode.string({
 				tag:     type,
 				attrs:   shortcode
 			});
 
 			return html;
 		},
 		/**
 		 * Create image markup, optionally with a link and/or wrapped in a caption shortcode,
 		 *  that is suitable for passing to the editor
 		 *
 		 * @param {Object} props Attachment details (align, link, size, etc).
 		 * @param {Object} attachment The attachment object, media version of Post.
 		 * @return {string}
 		 */
 		image: function( props, attachment ) {
 			var img = {},
 				options, classes, shortcode, html;
 
 			props.type = 'image';
 			props = wp.media.string.props( props, attachment );
 			classes = props.classes || [];
 
 			img.src = ! _.isUndefined( attachment ) ? attachment.url : props.url;
 			_.extend( img, _.pick( props, 'width', 'height', 'alt' ) );
 
 			// Only assign the align class to the image if we're not printing
 			// a caption, since the alignment is sent to the shortcode.
 			if ( props.align && ! props.caption ) {
 				classes.push( 'align' + props.align );
 			}
 
 			if ( props.size ) {
 				classes.push( 'size-' + props.size );
 			}
 
 			img['class'] = _.compact( classes ).join(' ');
 
 			// Generate `img` tag options.
 			options = {
 				tag:    'img',
 				attrs:  img,
 				single: true
 			};
 
 			// Generate the `a` element options, if they exist.
 			if ( props.linkUrl ) {
 				options = {
 					tag:   'a',
 					attrs: {
 						href: props.linkUrl
 					},
 					content: options
 				};
 			}
 
 			html = wp.html.string( options );
 
 			// Generate the caption shortcode.
 			if ( props.caption ) {
 				shortcode = {};
 
 				if ( img.width ) {
 					shortcode.width = img.width;
 				}
 
 				if ( props.captionId ) {
 					shortcode.id = props.captionId;
 				}
 
 				if ( props.align ) {
 					shortcode.align = 'align' + props.align;
 				}
 
 				html = wp.shortcode.string({
 					tag:     'caption',
 					attrs:   shortcode,
 					content: html + ' ' + props.caption
 				});
 			}
 
 			return html;
 		}
 	};
 
 	wp.media.embed = {
 		coerce : wp.media.coerce,
 
 		defaults : {
 			url : '',
 			width: '',
 			height: ''
 		},
 
 		edit : function( data, isURL ) {
 			var frame, props = {}, shortcode;
 
 			if ( isURL ) {
 				props.url = data.replace(/<[^>]+>/g, '');
 			} else {
 				shortcode = wp.shortcode.next( 'embed', data ).shortcode;
 
 				props = _.defaults( shortcode.attrs.named, this.defaults );
 				if ( shortcode.content ) {
 					props.url = shortcode.content;
 				}
 			}
 
 			frame = wp.media({
 				frame: 'post',
 				state: 'embed',
 				metadata: props
 			});
 
 			return frame;
 		},
 
 		shortcode : function( model ) {
 			var self = this, content;
 
 			_.each( this.defaults, function( value, key ) {
 				model[ key ] = self.coerce( model, key );
 
 				if ( value === model[ key ] ) {
 					delete model[ key ];
 				}
 			});
 
 			content = model.url;
 			delete model.url;
 
 			return new wp.shortcode({
 				tag: 'embed',
 				attrs: model,
 				content: content
 			});
 		}
 	};
 
 	/**
 	 * @class wp.media.collection
 	 *
 	 * @param {Object} attributes
 	 */
 	wp.media.collection = function(attributes) {
 		var collections = {};
 
 		return _.extend(/** @lends wp.media.collection.prototype */{
 			coerce : wp.media.coerce,
 			/**
 			 * Retrieve attachments based on the properties of the passed shortcode
 			 *
 			 * @param {wp.shortcode} shortcode An instance of wp.shortcode().
 			 * @return {wp.media.model.Attachments} A Backbone.Collection containing
 			 *                                      the media items belonging to a collection.
 			 *                                      The query[ this.tag ] property is a Backbone.Model
 			 *                                      containing the 'props' for the collection.
 			 */
 			attachments: function( shortcode ) {
 				var shortcodeString = shortcode.string(),
 					result = collections[ shortcodeString ],
 					attrs, args, query, others, self = this;
 
 				delete collections[ shortcodeString ];
 				if ( result ) {
 					return result;
 				}
 				// Fill the default shortcode attributes.
 				attrs = _.defaults( shortcode.attrs.named, this.defaults );
 				args  = _.pick( attrs, 'orderby', 'order' );
 
 				args.type    = this.type;
 				args.perPage = -1;
 
 				// Mark the `orderby` override attribute.
 				if ( undefined !== attrs.orderby ) {
 					attrs._orderByField = attrs.orderby;
 				}
 
 				if ( 'rand' === attrs.orderby ) {
 					attrs._orderbyRandom = true;
 				}
 
 				// Map the `orderby` attribute to the corresponding model property.
 				if ( ! attrs.orderby || /^menu_order(?: ID)?$/i.test( attrs.orderby ) ) {
 					args.orderby = 'menuOrder';
 				}
 
 				// Map the `ids` param to the correct query args.
 				if ( attrs.ids ) {
 					args.post__in = attrs.ids.split(',');
 					args.orderby  = 'post__in';
 				} else if ( attrs.include ) {
 					args.post__in = attrs.include.split(',');
 				}
 
 				if ( attrs.exclude ) {
 					args.post__not_in = attrs.exclude.split(',');
 				}
 
 				if ( ! args.post__in ) {
 					args.uploadedTo = attrs.id;
 				}
 
 				// Collect the attributes that were not included in `args`.
 				others = _.omit( attrs, 'id', 'ids', 'include', 'exclude', 'orderby', 'order' );
 
 				_.each( this.defaults, function( value, key ) {
 					others[ key ] = self.coerce( others, key );
 				});
 
 				query = wp.media.query( args );
 				query[ this.tag ] = new Backbone.Model( others );
 				return query;
 			},
 			/**
 			 * Triggered when clicking 'Insert {label}' or 'Update {label}'
 			 *
 			 * @param {wp.media.model.Attachments} attachments A Backbone.Collection containing
 			 *      the media items belonging to a collection.
 			 *      The query[ this.tag ] property is a Backbone.Model
 			 *          containing the 'props' for the collection.
 			 * @return {wp.shortcode}
 			 */
 			shortcode: function( attachments ) {
 				var props = attachments.props.toJSON(),
 					attrs = _.pick( props, 'orderby', 'order' ),
 					shortcode, clone;
 
 				if ( attachments.type ) {
 					attrs.type = attachments.type;
 					delete attachments.type;
 				}
 
 				if ( attachments[this.tag] ) {
 					_.extend( attrs, attachments[this.tag].toJSON() );
 				}
 
 				/*
 				 * Convert all gallery shortcodes to use the `ids` property.
 				 * Ignore `post__in` and `post__not_in`; the attachments in
 				 * the collection will already reflect those properties.
 				 */
 				attrs.ids = attachments.pluck('id');
 
 				// Copy the `uploadedTo` post ID.
 				if ( props.uploadedTo ) {
 					attrs.id = props.uploadedTo;
 				}
 				// Check if the gallery is randomly ordered.
 				delete attrs.orderby;
 
 				if ( attrs._orderbyRandom ) {
 					attrs.orderby = 'rand';
 				} else if ( attrs._orderByField && 'rand' !== attrs._orderByField ) {
 					attrs.orderby = attrs._orderByField;
 				}
 
 				delete attrs._orderbyRandom;
 				delete attrs._orderByField;
 
 				// If the `ids` attribute is set and `orderby` attribute
 				// is the default value, clear it for cleaner output.
 				if ( attrs.ids && 'post__in' === attrs.orderby ) {
 					delete attrs.orderby;
 				}
 
 				attrs = this.setDefaults( attrs );
 
 				shortcode = new wp.shortcode({
 					tag:    this.tag,
 					attrs:  attrs,
 					type:   'single'
 				});
 
 				// Use a cloned version of the gallery.
 				clone = new wp.media.model.Attachments( attachments.models, {
 					props: props
 				});
 				clone[ this.tag ] = attachments[ this.tag ];
 				collections[ shortcode.string() ] = clone;
 
 				return shortcode;
 			},
 			/**
 			 * Triggered when double-clicking a collection shortcode placeholder
 			 *   in the editor
 			 *
 			 * @param {string} content Content that is searched for possible
 			 *    shortcode markup matching the passed tag name,
 			 *
 			 * @this wp.media.{prop}
 			 *
 			 * @return {wp.media.view.MediaFrame.Select} A media workflow.
 			 */
 			edit: function( content ) {
 				var shortcode = wp.shortcode.next( this.tag, content ),
 					defaultPostId = this.defaults.id,
 					attachments, selection, state;
 
 				// Bail if we didn't match the shortcode or all of the content.
 				if ( ! shortcode || shortcode.content !== content ) {
 					return;
 				}
 
 				// Ignore the rest of the match object.
 				shortcode = shortcode.shortcode;
 
 				if ( _.isUndefined( shortcode.get('id') ) && ! _.isUndefined( defaultPostId ) ) {
 					shortcode.set( 'id', defaultPostId );
 				}
 
 				attachments = this.attachments( shortcode );
 
 				selection = new wp.media.model.Selection( attachments.models, {
 					props:    attachments.props.toJSON(),
 					multiple: true
 				});
 
 				selection[ this.tag ] = attachments[ this.tag ];
 
 				// Fetch the query's attachments, and then break ties from the
 				// query to allow for sorting.
 				selection.more().done( function() {
 					// Break ties with the query.
 					selection.props.set({ query: false });
 					selection.unmirror();
 					selection.props.unset('orderby');
 				});
 
 				// Destroy the previous gallery frame.
 				if ( this.frame ) {
 					this.frame.dispose();
 				}
 
 				if ( shortcode.attrs.named.type && 'video' === shortcode.attrs.named.type ) {
 					state = 'video-' + this.tag + '-edit';
 				} else {
 					state = this.tag + '-edit';
 				}
 
 				// Store the current frame.
 				this.frame = wp.media({
 					frame:     'post',
 					state:     state,
 					title:     this.editTitle,
 					editing:   true,
 					multiple:  true,
 					selection: selection
 				}).open();
 
 				return this.frame;
 			},
 
 			setDefaults: function( attrs ) {
 				var self = this;
 				// Remove default attributes from the shortcode.
 				_.each( this.defaults, function( value, key ) {
 					attrs[ key ] = self.coerce( attrs, key );
 					if ( value === attrs[ key ] ) {
 						delete attrs[ key ];
 					}
 				});
 
 				return attrs;
 			}
 		}, attributes );
 	};
 
 	wp.media._galleryDefaults = {
 		itemtag: 'dl',
 		icontag: 'dt',
 		captiontag: 'dd',
 		columns: '3',
 		link: 'post',
 		size: 'thumbnail',
 		order: 'ASC',
 		id: wp.media.view.settings.post && wp.media.view.settings.post.id,
 		orderby : 'menu_order ID'
 	};
 
 	if ( wp.media.view.settings.galleryDefaults ) {
 		wp.media.galleryDefaults = _.extend( {}, wp.media._galleryDefaults, wp.media.view.settings.galleryDefaults );
 	} else {
 		wp.media.galleryDefaults = wp.media._galleryDefaults;
 	}
 
 	wp.media.gallery = new wp.media.collection({
 		tag: 'gallery',
 		type : 'image',
 		editTitle : wp.media.view.l10n.editGalleryTitle,
 		defaults : wp.media.galleryDefaults,
 
 		setDefaults: function( attrs ) {
 			var self = this, changed = ! _.isEqual( wp.media.galleryDefaults, wp.media._galleryDefaults );
 			_.each( this.defaults, function( value, key ) {
 				attrs[ key ] = self.coerce( attrs, key );
 				if ( value === attrs[ key ] && ( ! changed || value === wp.media._galleryDefaults[ key ] ) ) {
 					delete attrs[ key ];
 				}
 			} );
 			return attrs;
 		}
 	});
 
 	/**
 	 * @namespace wp.media.featuredImage
 	 * @memberOf wp.media
 	 */
 	wp.media.featuredImage = {
 		/**
 		 * Get the featured image post ID
 		 *
 		 * @return {wp.media.view.settings.post.featuredImageId|number}
 		 */
 		get: function() {
 			return wp.media.view.settings.post.featuredImageId;
 		},
 		/**
 		 * Sets the featured image ID property and sets the HTML in the post meta box to the new featured image.
 		 *
 		 * @param {number} id The post ID of the featured image, or -1 to unset it.
 		 */
 		set: function( id ) {
 			var settings = wp.media.view.settings;
 
 			settings.post.featuredImageId = id;
 
 			wp.media.post( 'get-post-thumbnail-html', {
 				post_id:      settings.post.id,
 				thumbnail_id: settings.post.featuredImageId,
 				_wpnonce:     settings.post.nonce
 			}).done( function( html ) {
 				if ( '0' === html ) {
 					window.alert( wp.i18n.__( 'Could not set that as the thumbnail image. Try a different attachment.' ) );
 					return;
 				}
 				$( '.inside', '#postimagediv' ).html( html );
 			});
 		},
 		/**
 		 * Remove the featured image id, save the post thumbnail data and
 		 * set the HTML in the post meta box to no featured image.
 		 */
 		remove: function() {
 			wp.media.featuredImage.set( -1 );
 		},
 		/**
 		 * The Featured Image workflow
 		 *
 		 * @this wp.media.featuredImage
 		 *
 		 * @return {wp.media.view.MediaFrame.Select} A media workflow.
 		 */
 		frame: function() {
 			if ( this._frame ) {
 				wp.media.frame = this._frame;
 				return this._frame;
 			}
 
 			this._frame = wp.media({
 				state: 'featured-image',
 				states: [ new wp.media.controller.FeaturedImage() , new wp.media.controller.EditImage() ]
 			});
 
 			this._frame.on( 'toolbar:create:featured-image', function( toolbar ) {
 				/**
 				 * @this wp.media.view.MediaFrame.Select
 				 */
 				this.createSelectToolbar( toolbar, {
 					text: wp.media.view.l10n.setFeaturedImage
 				});
 			}, this._frame );
 
 			this._frame.on( 'content:render:edit-image', function() {
 				var selection = this.state('featured-image').get('selection'),
 					view = new wp.media.view.EditImage( { model: selection.single(), controller: this } ).render();
 
 				this.content.set( view );
 
 				// After bringing in the frame, load the actual editor via an Ajax call.
 				view.loadEditor();
 
 			}, this._frame );
 
 			this._frame.state('featured-image').on( 'select', this.select );
 			return this._frame;
 		},
 		/**
 		 * 'select' callback for Featured Image workflow, triggered when
 		 *  the 'Set Featured Image' button is clicked in the media modal.
 		 *
 		 * @this wp.media.controller.FeaturedImage
 		 */
 		select: function() {
 			var selection = this.get('selection').single();
 
 			if ( ! wp.media.view.settings.post.featuredImageId ) {
 				return;
 			}
 
 			wp.media.featuredImage.set( selection ? selection.id : -1 );
 		},
 		/**
 		 * Open the content media manager to the 'featured image' tab when
 		 * the post thumbnail is clicked.
 		 *
 		 * Update the featured image id when the 'remove' link is clicked.
 		 */
 		init: function() {
 			$('#postimagediv').on( 'click', '#set-post-thumbnail', function( event ) {
 				event.preventDefault();
 				// Stop propagation to prevent thickbox from activating.
 				event.stopPropagation();
 
 				wp.media.featuredImage.frame().open();
 			}).on( 'click', '#remove-post-thumbnail', function() {
 				wp.media.featuredImage.remove();
 				return false;
 			});
 		}
 	};
 
 	$( wp.media.featuredImage.init );
 
 	/** @namespace wp.media.editor */
 	wp.media.editor = {
 		/**
 		 * Send content to the editor
 		 *
 		 * @param {string} html Content to send to the editor
 		 */
 		insert: function( html ) {
 			var editor, wpActiveEditor,
 				hasTinymce = ! _.isUndefined( window.tinymce ),
 				hasQuicktags = ! _.isUndefined( window.QTags );
 
 			if ( this.activeEditor ) {
 				wpActiveEditor = window.wpActiveEditor = this.activeEditor;
 			} else {
 				wpActiveEditor = window.wpActiveEditor;
 			}
 
 			/*
 			 * Delegate to the global `send_to_editor` if it exists.
 			 * This attempts to play nice with any themes/plugins
 			 * that have overridden the insert functionality.
 			 */
 			if ( window.send_to_editor ) {
 				return window.send_to_editor.apply( this, arguments );
 			}
 
 			if ( ! wpActiveEditor ) {
 				if ( hasTinymce && tinymce.activeEditor ) {
 					editor = tinymce.activeEditor;
 					wpActiveEditor = window.wpActiveEditor = editor.id;
 				} else if ( ! hasQuicktags ) {
 					return false;
 				}
 			} else if ( hasTinymce ) {
 				editor = tinymce.get( wpActiveEditor );
 			}
 
 			if ( editor && ! editor.isHidden() ) {
 				editor.execCommand( 'mceInsertContent', false, html );
 			} else if ( hasQuicktags ) {
 				QTags.insertContent( html );
 			} else {
 				document.getElementById( wpActiveEditor ).value += html;
 			}
 
 			// If the old thickbox remove function exists, call it in case
 			// a theme/plugin overloaded it.
 			if ( window.tb_remove ) {
 				try { window.tb_remove(); } catch( e ) {}
 			}
 		},
 
 		/**
 		 * Setup 'workflow' and add to the 'workflows' cache. 'open' can
 		 *  subsequently be called upon it.
 		 *
 		 * @param {string} id A slug used to identify the workflow.
 		 * @param {Object} [options={}]
 		 *
 		 * @this wp.media.editor
 		 *
 		 * @return {wp.media.view.MediaFrame.Select} A media workflow.
 		 */
 		add: function( id, options ) {
 			var workflow = this.get( id );
 
 			// Only add once: if exists return existing.
 			if ( workflow ) {
 				return workflow;
 			}
 
 			workflow = workflows[ id ] = wp.media( _.defaults( options || {}, {
 				frame:    'post',
 				state:    'insert',
 				title:    wp.media.view.l10n.addMedia,
 				multiple: true
 			} ) );
 
 			workflow.on( 'insert', function( selection ) {
 				var state = workflow.state();
 
 				selection = selection || state.get('selection');
 
 				if ( ! selection ) {
 					return;
 				}
 
 				$.when.apply( $, selection.map( function( attachment ) {
 					var display = state.display( attachment ).toJSON();
 					/**
 					 * @this wp.media.editor
 					 */
 					return this.send.attachment( display, attachment.toJSON() );
 				}, this ) ).done( function() {
 					wp.media.editor.insert( _.toArray( arguments ).join('\n\n') );
 				});
 			}, this );
 
 			workflow.state('gallery-edit').on( 'update', function( selection ) {
 				/**
 				 * @this wp.media.editor
 				 */
 				this.insert( wp.media.gallery.shortcode( selection ).string() );
 			}, this );
 
 			workflow.state('playlist-edit').on( 'update', function( selection ) {
 				/**
 				 * @this wp.media.editor
 				 */
 				this.insert( wp.media.playlist.shortcode( selection ).string() );
 			}, this );
 
 			workflow.state('video-playlist-edit').on( 'update', function( selection ) {
 				/**
 				 * @this wp.media.editor
 				 */
 				this.insert( wp.media.playlist.shortcode( selection ).string() );
 			}, this );
 
 			workflow.state('embed').on( 'select', function() {
 				/**
 				 * @this wp.media.editor
 				 */
 				var state = workflow.state(),
 					type = state.get('type'),
 					embed = state.props.toJSON();
 
 				embed.url = embed.url || '';
 
 				if ( 'link' === type ) {
 					_.defaults( embed, {
 						linkText: embed.url,
 						linkUrl: embed.url
 					});
 
 					this.send.link( embed ).done( function( resp ) {
 						wp.media.editor.insert( resp );
 					});
 
 				} else if ( 'image' === type ) {
 					_.defaults( embed, {
 						title:   embed.url,
 						linkUrl: '',
 						align:   'none',
 						link:    'none'
 					});
 
 					if ( 'none' === embed.link ) {
 						embed.linkUrl = '';
 					} else if ( 'file' === embed.link ) {
 						embed.linkUrl = embed.url;
 					}
 
 					this.insert( wp.media.string.image( embed ) );
 				}
 			}, this );
 
 			workflow.state('featured-image').on( 'select', wp.media.featuredImage.select );
 			workflow.setState( workflow.options.state );
 			return workflow;
 		},
 		/**
 		 * Determines the proper current workflow id
 		 *
 		 * @param {string} [id=''] A slug used to identify the workflow.
 		 *
 		 * @return {wpActiveEditor|string|tinymce.activeEditor.id}
 		 */
 		id: function( id ) {
 			if ( id ) {
 				return id;
 			}
 
 			// If an empty `id` is provided, default to `wpActiveEditor`.
 			id = window.wpActiveEditor;
 
 			// If that doesn't work, fall back to `tinymce.activeEditor.id`.
 			if ( ! id && ! _.isUndefined( window.tinymce ) && tinymce.activeEditor ) {
 				id = tinymce.activeEditor.id;
 			}
 
 			// Last but not least, fall back to the empty string.
 			id = id || '';
 			return id;
 		},
 		/**
 		 * Return the workflow specified by id
 		 *
 		 * @param {string} id A slug used to identify the workflow.
 		 *
 		 * @this wp.media.editor
 		 *
 		 * @return {wp.media.view.MediaFrame} A media workflow.
 		 */
 		get: function( id ) {
 			id = this.id( id );
 			return workflows[ id ];
 		},
 		/**
 		 * Remove the workflow represented by id from the workflow cache
 		 *
 		 * @param {string} id A slug used to identify the workflow.
 		 *
 		 * @this wp.media.editor
 		 */
 		remove: function( id ) {
 			id = this.id( id );
 			delete workflows[ id ];
 		},
 		/** @namespace wp.media.editor.send */
 		send: {
 			/**
 			 * Called when sending an attachment to the editor
 			 *   from the medial modal.
 			 *
 			 * @param {Object} props Attachment details (align, link, size, etc).
 			 * @param {Object} attachment The attachment object, media version of Post.
 			 * @return {Promise}
 			 */
 			attachment: function( props, attachment ) {
 				var caption = attachment.caption,
 					options, html;
 
 				// If captions are disabled, clear the caption.
 				if ( ! wp.media.view.settings.captions ) {
 					delete attachment.caption;
 				}
 
 				props = wp.media.string.props( props, attachment );
 
 				options = {
 					id:           attachment.id,
 					post_content: attachment.description,
 					post_excerpt: caption
 				};
 
 				if ( props.linkUrl ) {
 					options.url = props.linkUrl;
 				}
 
 				if ( 'image' === attachment.type ) {
 					html = wp.media.string.image( props );
 
 					_.each({
 						align: 'align',
 						size:  'image-size',
 						alt:   'image_alt'
 					}, function( option, prop ) {
 						if ( props[ prop ] ) {
 							options[ option ] = props[ prop ];
 						}
 					});
 				} else if ( 'video' === attachment.type ) {
 					html = wp.media.string.video( props, attachment );
 				} else if ( 'audio' === attachment.type ) {
 					html = wp.media.string.audio( props, attachment );
 				} else {
 					html = wp.media.string.link( props );
 					options.post_title = props.title;
 				}
 
 				return wp.media.post( 'send-attachment-to-editor', {
 					nonce:      wp.media.view.settings.nonce.sendToEditor,
 					attachment: options,
 					html:       html,
 					post_id:    wp.media.view.settings.post.id
 				});
 			},
 			/**
 			 * Called when 'Insert From URL' source is not an image. Example: YouTube url.
 			 *
 			 * @param {Object} embed
 			 * @return {Promise}
 			 */
 			link: function( embed ) {
 				return wp.media.post( 'send-link-to-editor', {
 					nonce:     wp.media.view.settings.nonce.sendToEditor,
 					src:       embed.linkUrl,
 					link_text: embed.linkText,
 					html:      wp.media.string.link( embed ),
 					post_id:   wp.media.view.settings.post.id
 				});
 			}
 		},
 		/**
 		 * Open a workflow
 		 *
 		 * @param {string} [id=undefined] Optional. A slug used to identify the workflow.
 		 * @param {Object} [options={}]
 		 *
 		 * @this wp.media.editor
 		 *
 		 * @return {wp.media.view.MediaFrame}
 		 */
 		open: function( id, options ) {
 			var workflow;
 
 			options = options || {};
 
 			id = this.id( id );
 			this.activeEditor = id;
 
 			workflow = this.get( id );
 
 			// Redo workflow if state has changed.
 			if ( ! workflow || ( workflow.options && options.state !== workflow.options.state ) ) {
 				workflow = this.add( id, options );
 			}
 
 			wp.media.frame = workflow;
 
 			return workflow.open();
 		},
 
 		/**
 		 * Bind click event for .insert-media using event delegation
 		 */
 		init: function() {
 			$(document.body)
 				.on( 'click.add-media-button', '.insert-media', function( event ) {
 					var elem = $( event.currentTarget ),
 						editor = elem.data('editor'),
 						options = {
 							frame:    'post',
 							state:    'insert',
 							title:    wp.media.view.l10n.addMedia,
 							multiple: true
 						};
 
 					event.preventDefault();
 
 					if ( elem.hasClass( 'gallery' ) ) {
 						options.state = 'gallery';
 						options.title = wp.media.view.l10n.createGalleryTitle;
 					}
 
 					wp.media.editor.open( editor, options );
 				});
 
 			// Initialize and render the Editor drag-and-drop uploader.
 			new wp.media.view.EditorUploader().render();
 		}
 	};
 
 	_.bindAll( wp.media.editor, 'open' );
 	$( wp.media.editor.init );
 }(jQuery, _));