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Editing: mce-view.js
/** * @output wp-includes/js/mce-view.js */ /* global tinymce */ /* * The TinyMCE view API. * * 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. * * Diagram * * |- registered view constructor (type) * | |- view instance (unique text) * | | |- editor 1 * | | | |- view node * | | | |- view node * | | | |- ... * | | |- editor 2 * | | | |- ... * | |- view instance * | | |- ... * |- registered view * | |- ... */ ( function( window, wp, shortcode, $ ) { 'use strict'; var views = {}, instances = {}; wp.mce = wp.mce || {}; /** * 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 = { /** * Registers a new view type. * * @param {string} type The view type. * @param {Object} extend An object to extend wp.mce.View.prototype with. */ register: function( type, extend ) { views[ type ] = wp.mce.View.extend( _.extend( extend, { type: type } ) ); }, /** * Unregisters a view type. * * @param {string} type The view type. */ unregister: function( type ) { delete views[ type ]; }, /** * Returns the settings of a view type. * * @param {string} type The view type. * * @return {Function} The view constructor. */ get: function( type ) { return views[ type ]; }, /** * Unbinds all view nodes. * Runs before removing all view nodes from the DOM. */ unbind: function() { _.each( instances, function( instance ) { instance.unbind(); } ); }, /** * Scans a given string for each view's pattern, * replacing any matches with markers, * and creates a new instance for every match. * * @param {string} content The string to scan. * @param {tinymce.Editor} editor The editor. * * @return {string} The string with markers. */ setMarkers: function( content, editor ) { var pieces = [ { content: content } ], self = this, instance, current; _.each( views, function( view, type ) { current = pieces.slice(); pieces = []; _.each( current, function( piece ) { var remaining = piece.content, result, text; // 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.prototype.match( remaining ) ) ) { // Any text before the match becomes an unprocessed piece. if ( result.index ) { pieces.push( { content: remaining.substring( 0, result.index ) } ); } result.options.editor = editor; instance = self.createInstance( type, result.content, result.options ); text = instance.loader ? '.' : instance.text; // Add the processed piece for the match. pieces.push( { content: instance.ignore ? text : '<p data-wpview-marker="' + instance.encodedText + '">' + text + '</p>', 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 } ); } } ); } ); content = _.pluck( pieces, 'content' ).join( '' ); return content.replace( /<p>\s*<p data-wpview-marker=/g, '<p data-wpview-marker=' ).replace( /<\/p>\s*<\/p>/g, '</p>' ); }, /** * Create a view instance. * * @param {string} type The view type. * @param {string} text The textual representation of the view. * @param {Object} options Options. * @param {boolean} force Recreate the instance. Optional. * * @return {wp.mce.View} The view instance. */ createInstance: function( type, text, options, force ) { var View = this.get( type ), encodedText, instance; if ( text.indexOf( '[' ) !== -1 && text.indexOf( ']' ) !== -1 ) { // Looks like a shortcode? Remove any line breaks from inside of shortcodes // or autop will replace them with <p> and <br> later and the string won't match. text = text.replace( /\[[^\]]+\]/g, function( match ) { return match.replace( /[\r\n]/g, '' ); }); } if ( ! force ) { instance = this.getInstance( text ); if ( instance ) { return instance; } } encodedText = encodeURIComponent( text ); options = _.extend( options || {}, { text: text, encodedText: encodedText } ); return instances[ encodedText ] = new View( options ); }, /** * Get a view instance. * * @param {(string|HTMLElement)} object The textual representation of the view or the view node. * * @return {wp.mce.View} The view instance or undefined. */ getInstance: function( object ) { if ( typeof object === 'string' ) { return instances[ encodeURIComponent( object ) ]; } return instances[ $( object ).attr( 'data-wpview-text' ) ]; }, /** * Given a view node, get the view's text. * * @param {HTMLElement} node The view node. * * @return {string} The textual representation of the view. */ getText: function( node ) { return decodeURIComponent( $( node ).attr( 'data-wpview-text' ) || '' ); }, /** * Renders all view nodes that are not yet rendered. * * @param {boolean} force Rerender all view nodes. */ render: function( force ) { _.each( instances, function( instance ) { instance.render( null, force ); } ); }, /** * Update the text of a given view node. * * @param {string} text The new text. * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in. * @param {HTMLElement} node The view node to update. * @param {boolean} force Recreate the instance. Optional. */ update: function( text, editor, node, force ) { var instance = this.getInstance( node ); if ( instance ) { instance.update( text, editor, node, force ); } }, /** * Renders any editing interface based on the view type. * * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in. * @param {HTMLElement} node The view node to edit. */ edit: function( editor, node ) { var instance = this.getInstance( node ); if ( instance && instance.edit ) { instance.edit( instance.text, function( text, force ) { instance.update( text, editor, node, force ); } ); } }, /** * Remove a given view node from the DOM. * * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in. * @param {HTMLElement} node The view node to remove. */ remove: function( editor, node ) { var instance = this.getInstance( node ); if ( instance ) { instance.remove( editor, node ); } } }; /** * 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 Options. */ wp.mce.View = function( options ) { _.extend( this, options ); this.initialize(); }; wp.mce.View.extend = Backbone.View.extend; _.extend( wp.mce.View.prototype, /** @lends wp.mce.View.prototype */{ /** * The content. * * @type {*} */ content: null, /** * Whether or not to display a loader. * * @type {Boolean} */ loader: true, /** * Runs after the view instance is created. */ initialize: function() {}, /** * Returns the content to render in the view node. * * @return {*} */ getContent: function() { return this.content; }, /** * Renders all view nodes tied to this view instance that are not yet rendered. * * @param {string} content The content to render. Optional. * @param {boolean} force Rerender all view nodes tied to this view instance. Optional. */ render: function( content, force ) { if ( content != null ) { this.content = content; } content = this.getContent(); // If there's nothing to render an no loader needs to be shown, stop. if ( ! this.loader && ! content ) { return; } // We're about to rerender all views of this instance, so unbind rendered views. force && this.unbind(); // Replace any left over markers. this.replaceMarkers(); if ( content ) { this.setContent( content, function( editor, node ) { $( node ).data( 'rendered', true ); this.bindNode.call( this, editor, node ); }, force ? null : false ); } else { this.setLoader(); } }, /** * Binds a given node after its content is added to the DOM. */ bindNode: function() {}, /** * Unbinds a given node before its content is removed from the DOM. */ unbindNode: function() {}, /** * Unbinds all view nodes tied to this view instance. * Runs before their content is removed from the DOM. */ unbind: function() { this.getNodes( function( editor, node ) { this.unbindNode.call( this, editor, node ); }, true ); }, /** * Gets all the TinyMCE editor instances that support views. * * @param {Function} callback A callback. */ getEditors: function( callback ) { _.each( tinymce.editors, function( editor ) { if ( editor.plugins.wpview ) { callback.call( this, editor ); } }, this ); }, /** * Gets all view nodes tied to this view instance. * * @param {Function} callback A callback. * @param {boolean} rendered Get (un)rendered view nodes. Optional. */ getNodes: function( callback, rendered ) { this.getEditors( function( editor ) { var self = this; $( editor.getBody() ) .find( '[data-wpview-text="' + self.encodedText + '"]' ) .filter( function() { var data; if ( rendered == null ) { return true; } data = $( this ).data( 'rendered' ) === true; return rendered ? data : ! data; } ) .each( function() { callback.call( self, editor, this, this /* back compat */ ); } ); } ); }, /** * Gets all marker nodes tied to this view instance. * * @param {Function} callback A callback. */ getMarkers: function( callback ) { this.getEditors( function( editor ) { var self = this; $( editor.getBody() ) .find( '[data-wpview-marker="' + this.encodedText + '"]' ) .each( function() { callback.call( self, editor, this ); } ); } ); }, /** * Replaces all marker nodes tied to this view instance. */ replaceMarkers: function() { this.getMarkers( function( editor, node ) { var selected = node === editor.selection.getNode(); var $viewNode; if ( ! this.loader && $( node ).text() !== tinymce.DOM.decode( this.text ) ) { editor.dom.setAttrib( node, 'data-wpview-marker', null ); return; } $viewNode = editor.$( '<div class="wpview wpview-wrap" data-wpview-text="' + this.encodedText + '" data-wpview-type="' + this.type + '" contenteditable="false"></div>' ); editor.undoManager.ignore( function() { editor.$( node ).replaceWith( $viewNode ); } ); if ( selected ) { setTimeout( function() { editor.undoManager.ignore( function() { editor.selection.select( $viewNode[0] ); editor.selection.collapse(); } ); } ); } } ); }, /** * Removes all marker nodes tied to this view instance. */ removeMarkers: function() { this.getMarkers( function( editor, node ) { editor.dom.setAttrib( node, 'data-wpview-marker', null ); } ); }, /** * Sets the content for all view nodes tied to this view instance. * * @param {*} content The content to set. * @param {Function} callback A callback. Optional. * @param {boolean} rendered Only set for (un)rendered nodes. Optional. */ setContent: function( content, callback, rendered ) { if ( _.isObject( content ) && ( content.sandbox || content.head || content.body.indexOf( '<script' ) !== -1 ) ) { this.setIframes( content.head || '', content.body, callback, rendered ); } else if ( _.isString( content ) && content.indexOf( '<script' ) !== -1 ) { this.setIframes( '', content, callback, rendered ); } else { this.getNodes( function( editor, node ) { content = content.body || content; if ( content.indexOf( '<iframe' ) !== -1 ) { content += '<span class="mce-shim"></span>'; } editor.undoManager.transact( function() { node.innerHTML = ''; node.appendChild( _.isString( content ) ? editor.dom.createFragment( content ) : content ); editor.dom.add( node, 'span', { 'class': 'wpview-end' } ); } ); callback && callback.call( this, editor, node ); }, rendered ); } }, /** * Sets the content in an iframe for all view nodes tied to this view instance. * * @param {string} head HTML string to be added to the head of the document. * @param {string} body HTML string to be added to the body of the document. * @param {Function} callback A callback. Optional. * @param {boolean} rendered Only set for (un)rendered nodes. Optional. */ setIframes: function( head, body, callback, rendered ) { var self = this; if ( body.indexOf( '[' ) !== -1 && body.indexOf( ']' ) !== -1 ) { var shortcodesRegExp = new RegExp( '\\[\\/?(?:' + window.mceViewL10n.shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' ); // Escape tags inside shortcode previews. body = body.replace( shortcodesRegExp, function( match ) { return match.replace( /</g, '<' ).replace( />/g, '>' ); } ); } this.getNodes( function( editor, node ) { var dom = editor.dom, styles = '', bodyClasses = editor.getBody().className || '', editorHead = editor.getDoc().getElementsByTagName( 'head' )[0], iframe, iframeWin, iframeDoc, MutationObserver, observer, i, block; tinymce.each( dom.$( 'link[rel="stylesheet"]', editorHead ), function( link ) { if ( link.href && link.href.indexOf( 'skins/lightgray/content.min.css' ) === -1 && link.href.indexOf( 'skins/wordpress/wp-content.css' ) === -1 ) { styles += dom.getOuterHTML( link ); } } ); if ( self.iframeHeight ) { dom.add( node, 'span', { 'data-mce-bogus': 1, style: { display: 'block', width: '100%', height: self.iframeHeight } }, '\u200B' ); } editor.undoManager.transact( function() { node.innerHTML = ''; iframe = dom.add( node, 'iframe', { /* jshint scripturl: true */ src: tinymce.Env.ie ? 'javascript:""' : '', frameBorder: '0', allowTransparency: 'true', scrolling: 'no', 'class': 'wpview-sandbox', style: { width: '100%', display: 'block' }, height: self.iframeHeight } ); dom.add( node, 'span', { 'class': 'mce-shim' } ); dom.add( node, 'span', { 'class': 'wpview-end' } ); } ); /* * Bail if the iframe node is not attached to the DOM. * Happens when the view is dragged in the editor. * There is a browser restriction when iframes are moved in the DOM. They get emptied. * The iframe will be rerendered after dropping the view node at the new location. */ if ( ! iframe.contentWindow ) { return; } iframeWin = iframe.contentWindow; iframeDoc = iframeWin.document; iframeDoc.open(); iframeDoc.write( '<!DOCTYPE html>' + '<html>' + '<head>' + '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' + head + styles + '<style>' + 'html {' + 'background: transparent;' + 'padding: 0;' + 'margin: 0;' + '}' + 'body#wpview-iframe-sandbox {' + 'background: transparent;' + 'padding: 1px 0 !important;' + 'margin: -1px 0 0 !important;' + '}' + 'body#wpview-iframe-sandbox:before,' + 'body#wpview-iframe-sandbox:after {' + 'display: none;' + 'content: "";' + '}' + 'iframe {' + 'max-width: 100%;' + '}' + '</style>' + '</head>' + '<body id="wpview-iframe-sandbox" class="' + bodyClasses + '">' + body + '</body>' + '</html>' ); iframeDoc.close(); function resize() { var $iframe; if ( block ) { return; } // Make sure the iframe still exists. if ( iframe.contentWindow ) { $iframe = $( iframe ); self.iframeHeight = $( iframeDoc.body ).height(); if ( $iframe.height() !== self.iframeHeight ) { $iframe.height( self.iframeHeight ); editor.nodeChanged(); } } } if ( self.iframeHeight ) { block = true; setTimeout( function() { block = false; resize(); }, 3000 ); } function addObserver() { observer = new MutationObserver( _.debounce( resize, 100 ) ); observer.observe( iframeDoc.body, { attributes: true, childList: true, subtree: true } ); } $( iframeWin ).on( 'load', resize ); MutationObserver = iframeWin.MutationObserver || iframeWin.WebKitMutationObserver || iframeWin.MozMutationObserver; if ( MutationObserver ) { if ( ! iframeDoc.body ) { iframeDoc.addEventListener( 'DOMContentLoaded', addObserver, false ); } else { addObserver(); } } else { for ( i = 1; i < 6; i++ ) { setTimeout( resize, i * 700 ); } } callback && callback.call( self, editor, node ); }, rendered ); }, /** * Sets a loader for all view nodes tied to this view instance. */ setLoader: function( dashicon ) { this.setContent( '<div class="loading-placeholder">' + '<div class="dashicons dashicons-' + ( dashicon || 'admin-media' ) + '"></div>' + '<div class="wpview-loading"><ins></ins></div>' + '</div>' ); }, /** * Sets an error for all view nodes tied to this view instance. * * @param {string} message The error message to set. * @param {string} dashicon A dashicon ID. Optional. {@link https://developer.wordpress.org/resource/dashicons/} */ setError: function( message, dashicon ) { this.setContent( '<div class="wpview-error">' + '<div class="dashicons dashicons-' + ( dashicon || 'no' ) + '"></div>' + '<p>' + message + '</p>' + '</div>' ); }, /** * Tries to find a text match in a given string. * * @param {string} content The string to scan. * * @return {Object} */ match: function( content ) { var match = shortcode.next( this.type, content ); if ( match ) { return { index: match.index, content: match.content, options: { shortcode: match.shortcode } }; } }, /** * Update the text of a given view node. * * @param {string} text The new text. * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in. * @param {HTMLElement} node The view node to update. * @param {boolean} force Recreate the instance. Optional. */ update: function( text, editor, node, force ) { _.find( views, function( view, type ) { var match = view.prototype.match( text ); if ( match ) { $( node ).data( 'rendered', false ); editor.dom.setAttrib( node, 'data-wpview-text', encodeURIComponent( text ) ); wp.mce.views.createInstance( type, text, match.options, force ).render(); editor.selection.select( node ); editor.nodeChanged(); editor.focus(); return true; } } ); }, /** * Remove a given view node from the DOM. * * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in. * @param {HTMLElement} node The view node to remove. */ remove: function( editor, node ) { this.unbindNode.call( this, editor, node ); editor.dom.remove( node ); editor.focus(); } } ); } )( window, window.wp, window.wp.shortcode, window.jQuery ); /* * The WordPress core TinyMCE views. * Views for the gallery, audio, video, playlist and embed shortcodes, * and a view for embeddable URLs. */ ( function( window, views, media, $ ) { var base, gallery, av, embed, schema, parser, serializer; function verifyHTML( string ) { var settings = {}; if ( ! window.tinymce ) { return string.replace( /<[^>]+>/g, '' ); } if ( ! string || ( string.indexOf( '<' ) === -1 && string.indexOf( '>' ) === -1 ) ) { return string; } schema = schema || new window.tinymce.html.Schema( settings ); parser = parser || new window.tinymce.html.DomParser( settings, schema ); serializer = serializer || new window.tinymce.html.Serializer( settings, schema ); return serializer.serialize( parser.parse( string, { forced_root_block: false } ) ); } base = { state: [], edit: function( text, update ) { var type = this.type, frame = media[ type ].edit( text ); this.pausePlayers && this.pausePlayers(); _.each( this.state, function( state ) { frame.state( state ).on( 'update', function( selection ) { update( media[ type ].shortcode( selection ).string(), type === 'gallery' ); } ); } ); frame.on( 'close', function() { frame.detach(); } ); frame.open(); } }; gallery = _.extend( {}, base, { state: [ 'gallery-edit' ], template: media.template( 'editor-gallery' ), initialize: function() { var attachments = media.gallery.attachments( this.shortcode, media.view.settings.post.id ), attrs = this.shortcode.attrs.named, self = this; attachments.more() .done( function() { attachments = attachments.toJSON(); _.each( attachments, function( attachment ) { if ( attachment.sizes ) { if ( attrs.size && attachment.sizes[ attrs.size ] ) { attachment.thumbnail = attachment.sizes[ attrs.size ]; } else if ( attachment.sizes.thumbnail ) { attachment.thumbnail = attachment.sizes.thumbnail; } else if ( attachment.sizes.full ) { attachment.thumbnail = attachment.sizes.full; } } } ); self.render( self.template( { verifyHTML: verifyHTML, attachments: attachments, columns: attrs.columns ? parseInt( attrs.columns, 10 ) : media.galleryDefaults.columns } ) ); } ) .fail( function( jqXHR, textStatus ) { self.setError( textStatus ); } ); } } ); av = _.extend( {}, base, { action: 'parse-media-shortcode', initialize: function() { var self = this, maxwidth = null; if ( this.url ) { this.loader = false; this.shortcode = media.embed.shortcode( { url: this.text } ); } // Obtain the target width for the embed. if ( self.editor ) { maxwidth = self.editor.getBody().clientWidth; } wp.ajax.post( this.action, { post_ID: media.view.settings.post.id, type: this.shortcode.tag, shortcode: this.shortcode.string(), maxwidth: maxwidth } ) .done( function( response ) { self.render( response ); } ) .fail( function( response ) { if ( self.url ) { self.ignore = true; self.removeMarkers(); } else { self.setError( response.message || response.statusText, 'admin-media' ); } } ); this.getEditors( function( editor ) { editor.on( 'wpview-selected', function() { self.pausePlayers(); } ); } ); }, pausePlayers: function() { this.getNodes( function( editor, node, content ) { var win = $( 'iframe.wpview-sandbox', content ).get( 0 ); if ( win && ( win = win.contentWindow ) && win.mejs ) { _.each( win.mejs.players, function( player ) { try { player.pause(); } catch ( e ) {} } ); } } ); } } ); embed = _.extend( {}, av, { action: 'parse-embed', edit: function( text, update ) { var frame = media.embed.edit( text, this.url ), self = this; this.pausePlayers(); frame.state( 'embed' ).props.on( 'change:url', function( model, url ) { if ( url && model.get( 'url' ) ) { frame.state( 'embed' ).metadata = model.toJSON(); } } ); frame.state( 'embed' ).on( 'select', function() { var data = frame.state( 'embed' ).metadata; if ( self.url ) { update( data.url ); } else { update( media.embed.shortcode( data ).string() ); } } ); frame.on( 'close', function() { frame.detach(); } ); frame.open(); } } ); views.register( 'gallery', _.extend( {}, gallery ) ); views.register( 'audio', _.extend( {}, av, { state: [ 'audio-details' ] } ) ); views.register( 'video', _.extend( {}, av, { state: [ 'video-details' ] } ) ); views.register( 'playlist', _.extend( {}, av, { state: [ 'playlist-edit', 'video-playlist-edit' ] } ) ); views.register( 'embed', _.extend( {}, embed ) ); views.register( 'embedURL', _.extend( {}, embed, { match: function( content ) { // There may be a "bookmark" node next to the URL... var re = /(^|<p>(?:<span data-mce-type="bookmark"[^>]+>\s*<\/span>)?)(https?:\/\/[^\s"]+?)((?:<span data-mce-type="bookmark"[^>]+>\s*<\/span>)?<\/p>\s*|$)/gi; var match = re.exec( content ); if ( match ) { return { index: match.index + match[1].length, content: match[2], options: { url: true } }; } } } ) ); } )( window, window.wp.mce.views, window.wp.media, window.jQuery );
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