/* global tinymce, MediaElementPlayer, WPPlaylistView */ /** * Note: this API is "experimental" meaning that it will probably change * in the next few releases based on feedback from 3.9.0. * If you decide to use it, please follow the development closely. */ // Ensure the global `wp` object exists. window.wp = window.wp || {}; ( function( $ ) { 'use strict'; var views = {}, instances = {}, media = wp.media, viewOptions = ['encodedText']; // Create the `wp.mce` object if necessary. wp.mce = wp.mce || {}; /** * wp.mce.View * * A Backbone-like View constructor intended for use when rendering a TinyMCE View. The main difference is * that the TinyMCE View is not tied to a particular DOM node. * * @param {Object} [options={}] */ wp.mce.View = function( options ) { options = options || {}; this.type = options.type; _.extend( this, _.pick( options, viewOptions ) ); this.initialize.apply( this, arguments ); }; _.extend( wp.mce.View.prototype, { initialize: function() {}, getHtml: function() { return ''; }, loadingPlaceholder: function() { return '' + '
' + '
' + '
' + '
'; }, render: function() { var html = this.getHtml() || this.loadingPlaceholder(); this.setContent( '

\u00a0

' + '
' + '
' + ( _.isFunction( views[ this.type ].edit ) ? '
' : '' ) + '
' + '
' + '
' + html + '
' + ( this.overlay ? '
' : '' ) + '
' + '

\u00a0

', function( self, editor, node ) { $( self ).trigger( 'ready', [ editor, node ] ); }, 'wrap' ); }, unbind: function() {}, setContent: function( html, callback, option ) { _.each( tinymce.editors, function( editor ) { var self = this; if ( editor.plugins.wpview ) { $( editor.getBody() ) .find( '[data-wpview-text="' + this.encodedText + '"]' ) .each( function ( i, element ) { var contentWrap = $( element ).find( '.wpview-content' ), wrap = element; if ( contentWrap.length && option !== 'wrap' ) { element = contentWrap = contentWrap[0]; } if ( _.isString( html ) ) { if ( option === 'replace' ) { element = editor.dom.replace( editor.dom.createFragment( html ), wrap ); } else { editor.dom.setHTML( element, html ); } } else { if ( option === 'replace' ) { element = editor.dom.replace( html, wrap ); } else { $( element ).empty().append( html ); } } if ( _.isFunction( callback ) ) { callback( self, editor, $( element ).find( '.wpview-content' )[0] ); } } ); } }, this ); }, setError: function( message, dashicon ) { this.setContent( '
' + '
' + '

' + message + '

' + '
' ); } } ); // take advantage of the Backbone extend method wp.mce.View.extend = Backbone.View.extend; /** * wp.mce.views * * A set of utilities that simplifies adding custom UI within a TinyMCE editor. * At its core, it serves as a series of converters, transforming text to a * custom UI, and back again. */ wp.mce.views = { /** * wp.mce.views.register( type, view ) * * Registers a new TinyMCE view. * * @param type * @param constructor * */ register: function( type, constructor ) { var defaultConstructor = { type: type, View: {}, toView: function( content ) { var match = wp.shortcode.next( this.type, content ); if ( ! match ) { return; } return { index: match.index, content: match.content, options: { shortcode: match.shortcode } }; } }; constructor = _.defaults( constructor, defaultConstructor ); constructor.View = wp.mce.View.extend( constructor.View ); views[ type ] = constructor; }, /** * wp.mce.views.get( id ) * * Returns a TinyMCE view constructor. * * @param type */ get: function( type ) { return views[ type ]; }, /** * wp.mce.views.unregister( type ) * * Unregisters a TinyMCE view. * * @param type */ unregister: function( type ) { delete views[ type ]; }, /** * wp.mce.views.unbind( editor ) * * The editor DOM is being rebuilt, run cleanup. */ unbind: function() { _.each( instances, function( instance ) { instance.unbind(); } ); }, /** * toViews( content ) * Scans a `content` string for each view's pattern, replacing any * matches with wrapper elements, and creates a new instance for * every match, which triggers the related data to be fetched. * * @param content */ toViews: function( content ) { var pieces = [ { content: content } ], current; _.each( views, function( view, viewType ) { current = pieces.slice(); pieces = []; _.each( current, function( piece ) { var remaining = piece.content, result; // Ignore processed pieces, but retain their location. if ( piece.processed ) { pieces.push( piece ); return; } // Iterate through the string progressively matching views // and slicing the string as we go. while ( remaining && (result = view.toView( remaining )) ) { // Any text before the match becomes an unprocessed piece. if ( result.index ) { pieces.push({ content: remaining.substring( 0, result.index ) }); } // Add the processed piece for the match. pieces.push({ content: wp.mce.views.toView( viewType, result.content, result.options ), processed: true }); // Update the remaining content. remaining = remaining.slice( result.index + result.content.length ); } // There are no additional matches. If any content remains, // add it as an unprocessed piece. if ( remaining ) { pieces.push({ content: remaining }); } }); }); return _.pluck( pieces, 'content' ).join(''); }, /** * Create a placeholder for a particular view type * * @param viewType * @param text * @param options * */ toView: function( viewType, text, options ) { var view = wp.mce.views.get( viewType ), encodedText = window.encodeURIComponent( text ), instance, viewOptions; if ( ! view ) { return text; } if ( ! wp.mce.views.getInstance( encodedText ) ) { viewOptions = options; viewOptions.type = viewType; viewOptions.encodedText = encodedText; instance = new view.View( viewOptions ); instances[ encodedText ] = instance; } return wp.html.string({ tag: 'div', attrs: { 'class': 'wpview-wrap', 'data-wpview-text': encodedText, 'data-wpview-type': viewType }, content: '\u00a0' }); }, /** * Refresh views after an update is made * * @param view {object} being refreshed * @param text {string} textual representation of the view */ refreshView: function( view, text ) { var encodedText = window.encodeURIComponent( text ), viewOptions, result, instance; instance = wp.mce.views.getInstance( encodedText ); if ( ! instance ) { result = view.toView( text ); viewOptions = result.options; viewOptions.type = view.type; viewOptions.encodedText = encodedText; instance = new view.View( viewOptions ); instances[ encodedText ] = instance; } wp.mce.views.render(); }, getInstance: function( encodedText ) { return instances[ encodedText ]; }, /** * render( scope ) * * Renders any view instances inside a DOM node `scope`. * * View instances are detected by the presence of wrapper elements. * To generate wrapper elements, pass your content through * `wp.mce.view.toViews( content )`. */ render: function() { _.each( instances, function( instance ) { instance.render(); } ); }, edit: function( node ) { var viewType = $( node ).data('wpview-type'), view = wp.mce.views.get( viewType ); if ( view ) { view.edit( node ); } } }; wp.mce.views.register( 'gallery', { View: { template: media.template( 'editor-gallery' ), // The fallback post ID to use as a parent for galleries that don't // specify the `ids` or `include` parameters. // // Uses the hidden input on the edit posts page by default. postID: $('#post_ID').val(), initialize: function( options ) { this.shortcode = options.shortcode; this.fetch(); }, fetch: function() { this.attachments = wp.media.gallery.attachments( this.shortcode, this.postID ); this.dfd = this.attachments.more().done( _.bind( this.render, this ) ); }, getHtml: function() { var attrs = this.shortcode.attrs.named, attachments = false, options; // Don't render errors while still fetching attachments if ( this.dfd && 'pending' === this.dfd.state() && ! this.attachments.length ) { return ''; } if ( this.attachments.length ) { attachments = this.attachments.toJSON(); _.each( attachments, function( attachment ) { if ( attachment.sizes ) { if ( attachment.sizes.thumbnail ) { attachment.thumbnail = attachment.sizes.thumbnail; } else if ( attachment.sizes.full ) { attachment.thumbnail = attachment.sizes.full; } } } ); } options = { attachments: attachments, columns: attrs.columns ? parseInt( attrs.columns, 10 ) : wp.media.galleryDefaults.columns }; return this.template( options ); } }, edit: function( node ) { var gallery = wp.media.gallery, self = this, frame, data; data = window.decodeURIComponent( $( node ).attr('data-wpview-text') ); frame = gallery.edit( data ); frame.state('gallery-edit').on( 'update', function( selection ) { var shortcode = gallery.shortcode( selection ).string(); $( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) ); wp.mce.views.refreshView( self, shortcode ); frame.detach(); }); } } ); /** * These are base methods that are shared by the audio and video shortcode's MCE controller. * * @mixin */ wp.mce.av = { loaded: false, View: _.extend( {}, wp.media.mixin, { overlay: true, initialize: function( options ) { this.players = []; this.shortcode = options.shortcode; _.bindAll( this, 'setPlayer', 'pausePlayers' ); $( this ).on( 'ready', this.setPlayer ); $( this ).on( 'ready', function( event, editor ) { editor.on( 'hide', this.pausePlayers ); } ); $( document ).on( 'media:edit', this.pausePlayers ); }, /** * Creates the player instance for the current node * * @global MediaElementPlayer * * @param {Event} event * @param {Object} editor * @param {HTMLElement} node */ setPlayer: function( event, editor, node ) { var self = this, media; media = $( node ).find( '.wp-' + this.shortcode.tag + '-shortcode' ); if ( ! this.isCompatible( media ) ) { media.closest( '.wpview-wrap' ).addClass( 'wont-play' ); media.replaceWith( '

' + media.find( 'source' ).eq(0).prop( 'src' ) + '

' ); return; } else { media.closest( '.wpview-wrap' ).removeClass( 'wont-play' ); if ( this.ua.is( 'ff' ) ) { media.prop( 'preload', 'metadata' ); } else { media.prop( 'preload', 'none' ); } } media = wp.media.view.MediaDetails.prepareSrc( media.get(0) ); setTimeout( function() { wp.mce.av.loaded = true; self.players.push( new MediaElementPlayer( media, self.mejsSettings ) ); }, wp.mce.av.loaded ? 10 : 500 ); }, /** * Pass data to the View's Underscore template and return the compiled output * * @returns {string} */ getHtml: function() { var attrs = this.shortcode.attrs.named; attrs.content = this.shortcode.content; return this.template({ model: _.defaults( attrs, wp.media[ this.shortcode.tag ].defaults ) }); }, unbind: function() { this.unsetPlayers(); } } ), /** * Called when a TinyMCE view is clicked for editing. * - Parses the shortcode out of the element's data attribute * - Calls the `edit` method on the shortcode model * - Launches the model window * - Bind's an `update` callback which updates the element's data attribute * re-renders the view * * @param {HTMLElement} node */ edit: function( node ) { var media = wp.media[ this.type ], self = this, frame, data, callback; $( document ).trigger( 'media:edit' ); data = window.decodeURIComponent( $( node ).attr('data-wpview-text') ); frame = media.edit( data ); frame.on( 'close', function() { frame.detach(); } ); callback = function( selection ) { var shortcode = wp.media[ self.type ].shortcode( selection ).string(); $( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) ); wp.mce.views.refreshView( self, shortcode ); frame.detach(); }; if ( _.isArray( self.state ) ) { _.each( self.state, function (state) { frame.state( state ).on( 'update', callback ); } ); } else { frame.state( self.state ).on( 'update', callback ); } frame.open(); } }; /** * TinyMCE handler for the video shortcode * * @mixes wp.mce.av */ wp.mce.views.register( 'video', _.extend( {}, wp.mce.av, { state: 'video-details', View: _.extend( {}, wp.mce.av.View, { template: media.template( 'editor-video' ) } ) } ) ); /** * TinyMCE handler for the audio shortcode * * @mixes wp.mce.av */ wp.mce.views.register( 'audio', _.extend( {}, wp.mce.av, { state: 'audio-details', View: _.extend( {}, wp.mce.av.View, { template: media.template( 'editor-audio' ) } ) } ) ); /** * TinyMCE handler for the playlist shortcode * * @mixes wp.mce.av */ wp.mce.views.register( 'playlist', _.extend( {}, wp.mce.av, { state: ['playlist-edit', 'video-playlist-edit'], View: _.extend( {}, wp.media.mixin, { template: media.template( 'editor-playlist' ), overlay: true, initialize: function( options ) { this.players = []; this.data = {}; this.attachments = []; this.shortcode = options.shortcode; $( this ).on( 'ready', function( event, editor ) { editor.on( 'hide', this.pausePlayers ); } ); $( document ).on( 'media:edit', this.pausePlayers ); this.fetch(); $( this ).on( 'ready', this.setPlaylist ); }, /** * Asynchronously fetch the shortcode's attachments */ fetch: function() { this.attachments = wp.media.playlist.attachments( this.shortcode ); this.dfd = this.attachments.more().done( _.bind( this.render, this ) ); }, setPlaylist: function( event, editor, element ) { if ( ! this.data.tracks ) { return; } this.players.push( new WPPlaylistView( { el: $( element ).find( '.wp-playlist' ).get( 0 ), metadata: this.data } ).player ); }, /** * Set the data that will be used to compile the Underscore template, * compile the template, and then return it. * * @returns {string} */ getHtml: function() { var data = this.shortcode.attrs.named, model = wp.media.playlist, options, attachments, tracks = []; // Don't render errors while still fetching attachments if ( this.dfd && 'pending' === this.dfd.state() && ! this.attachments.length ) { return ''; } _.each( model.defaults, function( value, key ) { data[ key ] = model.coerce( data, key ); }); options = { type: data.type, style: data.style, tracklist: data.tracklist, tracknumbers: data.tracknumbers, images: data.images, artists: data.artists }; if ( ! this.attachments.length ) { return this.template( options ); } attachments = this.attachments.toJSON(); _.each( attachments, function( attachment ) { var size = {}, resize = {}, track = { src : attachment.url, type : attachment.mime, title : attachment.title, caption : attachment.caption, description : attachment.description, meta : attachment.meta }; if ( 'video' === data.type ) { size.width = attachment.width; size.height = attachment.height; if ( media.view.settings.contentWidth ) { resize.width = media.view.settings.contentWidth - 22; resize.height = Math.ceil( ( size.height * resize.width ) / size.width ); if ( ! options.width ) { options.width = resize.width; options.height = resize.height; } } else { if ( ! options.width ) { options.width = attachment.width; options.height = attachment.height; } } track.dimensions = { original : size, resized : _.isEmpty( resize ) ? size : resize }; } else { options.width = 400; } track.image = attachment.image; track.thumb = attachment.thumb; tracks.push( track ); } ); options.tracks = tracks; this.data = options; return this.template( options ); }, unbind: function() { this.unsetPlayers(); } } ) } ) ); /** * TinyMCE handler for the embed shortcode */ wp.mce.embedView = _.extend( {}, wp.media.mixin, { overlay: true, initialize: function( options ) { this.players = []; this.content = options.content; this.fetching = false; this.parsed = false; this.original = options.url || options.shortcode.string(); if ( options.url ) { this.shortcode = '[embed]' + options.url + '[/embed]'; } else { this.shortcode = options.shortcode.string(); } _.bindAll( this, 'setHtml', 'setNode', 'fetch' ); $( this ).on( 'ready', this.setNode ); }, unbind: function() { var self = this; _.each( this.players, function ( player ) { player.pause(); self.removePlayer( player ); } ); this.players = []; }, setNode: function () { if ( this.parsed ) { this.setHtml( this.parsed ); this.parseMediaShortcodes(); } else if ( ! this.fetching ) { this.fetch(); } }, fetch: function () { var self = this; this.fetching = true; wp.ajax.send( 'parse-embed', { data: { post_ID: $( '#post_ID' ).val() || 0, shortcode: this.shortcode } } ) .always( function() { self.fetching = false; } ) .done( function( response ) { if ( response ) { self.parsed = response; self.setHtml( response ); } } ) .fail( function( response ) { if ( response && response.message ) { if ( ( response.type === 'not-embeddable' && self.type === 'embed' ) || response.type === 'not-ssl' ) { self.setError( response.message, 'admin-media' ); } else { self.setContent( '

' + self.original + '

', null, 'replace' ); } } else if ( response && response.statusText ) { self.setError( response.statusText, 'admin-media' ); } } ); }, /* jshint scripturl: true */ setHtml: function ( content ) { var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver, iframe, iframeDoc, i, resize, dom = tinymce.DOM; if ( content.indexOf( '' + '' + '' + '' + '' + '' + content + '' + '' ); iframeDoc.close(); resize = function() { $( iframe ).height( $( iframeDoc ).height() ); }; if ( MutationObserver ) { new MutationObserver( _.debounce( function() { resize(); }, 100 ) ) .observe( iframeDoc.body, { attributes: true, childList: true, subtree: true } ); } else { for ( i = 1; i < 6; i++ ) { setTimeout( resize, i * 700 ); } } } else { this.setContent( content ); } this.parseMediaShortcodes(); }, parseMediaShortcodes: function () { var self = this; $( '.wp-audio-shortcode, .wp-video-shortcode', this.node ).each( function ( i, element ) { self.players.push( new MediaElementPlayer( element, self.mejsSettings ) ); } ); } } ); wp.mce.embedMixin = { View: wp.mce.embedView, edit: function( node ) { var embed = media.embed, self = this, frame, data, isURL = 'embedURL' === this.type; $( document ).trigger( 'media:edit' ); data = window.decodeURIComponent( $( node ).attr('data-wpview-text') ); frame = embed.edit( data, isURL ); frame.on( 'close', function() { frame.detach(); } ); frame.state( 'embed' ).props.on( 'change:url', function (model, url) { if ( ! url ) { return; } frame.state( 'embed' ).metadata = model.toJSON(); } ); frame.state( 'embed' ).on( 'select', function() { var shortcode; if ( isURL ) { shortcode = frame.state( 'embed' ).metadata.url; } else { shortcode = embed.shortcode( frame.state( 'embed' ).metadata ).string(); } $( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) ); wp.mce.views.refreshView( self, shortcode ); frame.detach(); } ); frame.open(); } }; wp.mce.views.register( 'embed', _.extend( {}, wp.mce.embedMixin ) ); wp.mce.views.register( 'embedURL', _.extend( {}, wp.mce.embedMixin, { toView: function( content ) { var re = /(?:^|

)(https?:\/\/[^\s"]+?)(?:<\/p>\s*|$)/gi, match = re.exec( tinymce.trim( content ) ); if ( ! match ) { return; } return { index: match.index, content: match[0], options: { url: match[1] } }; } } ) ); }(jQuery));