wp-includes/js/mce-view.js

   1 /* global tinymce */
   2
   3 /*
   4  * The TinyMCE view API.
   5  *
   6  * Note: this API is "experimental" meaning that it will probably change
   7  * in the next few releases based on feedback from 3.9.0.
   8  * If you decide to use it, please follow the development closely.
   9  *
  10  * Diagram
  11  *
  12  * |- registered view constructor (type)
  13  * |  |- view instance (unique text)
  14  * |  |  |- editor 1
  15  * |  |  |  |- view node
  16  * |  |  |  |- view node
  17  * |  |  |  |- ...
  18  * |  |  |- editor 2
  19  * |  |  |  |- ...
  20  * |  |- view instance
  21  * |  |  |- ...
  22  * |- registered view
  23  * |  |- ...
  24  */
  25 ( function( window, wp, shortcode, $ ) {
  26         'use strict';
  27
  28         var views = {},
  29                 instances = {};
  30
  31         wp.mce = wp.mce || {};
  32
  33         /**
  34          * wp.mce.views
  35          *
  36          * A set of utilities that simplifies adding custom UI within a TinyMCE editor.
  37          * At its core, it serves as a series of converters, transforming text to a
  38          * custom UI, and back again.
  39          */
  40         wp.mce.views = {
  41
  42                 /**
  43                  * Registers a new view type.
  44                  *
  45                  * @param {String} type   The view type.
  46                  * @param {Object} extend An object to extend wp.mce.View.prototype with.
  47                  */
  48                 register: function( type, extend ) {
  49                         views[ type ] = wp.mce.View.extend( _.extend( extend, { type: type } ) );
  50                 },
  51
  52                 /**
  53                  * Unregisters a view type.
  54                  *
  55                  * @param {String} type The view type.
  56                  */
  57                 unregister: function( type ) {
  58                         delete views[ type ];
  59                 },
  60
  61                 /**
  62                  * Returns the settings of a view type.
  63                  *
  64                  * @param {String} type The view type.
  65                  *
  66                  * @return {Function} The view constructor.
  67                  */
  68                 get: function( type ) {
  69                         return views[ type ];
  70                 },
  71
  72                 /**
  73                  * Unbinds all view nodes.
  74                  * Runs before removing all view nodes from the DOM.
  75                  */
  76                 unbind: function() {
  77                         _.each( instances, function( instance ) {
  78                                 instance.unbind();
  79                         } );
  80                 },
  81
  82                 /**
  83                  * Scans a given string for each view's pattern,
  84                  * replacing any matches with markers,
  85                  * and creates a new instance for every match.
  86                  *
  87                  * @param {String} content The string to scan.
  88                  *
  89                  * @return {String} The string with markers.
  90                  */
  91                 setMarkers: function( content ) {
  92                         var pieces = [ { content: content } ],
  93                                 self = this,
  94                                 instance, current;
  95
  96                         _.each( views, function( view, type ) {
  97                                 current = pieces.slice();
  98                                 pieces  = [];
  99
 100                                 _.each( current, function( piece ) {
 101                                         var remaining = piece.content,
 102                                                 result, text;
 103
 104                                         // Ignore processed pieces, but retain their location.
 105                                         if ( piece.processed ) {
 106                                                 pieces.push( piece );
 107                                                 return;
 108                                         }
 109
 110                                         // Iterate through the string progressively matching views
 111                                         // and slicing the string as we go.
 112                                         while ( remaining && ( result = view.prototype.match( remaining ) ) ) {
 113                                                 // Any text before the match becomes an unprocessed piece.
 114                                                 if ( result.index ) {
 115                                                         pieces.push( { content: remaining.substring( 0, result.index ) } );
 116                                                 }
 117
 118                                                 instance = self.createInstance( type, result.content, result.options );
 119                                                 text = instance.loader ? '.' : instance.text;
 120
 121                                                 // Add the processed piece for the match.
 122                                                 pieces.push( {
 123                                                         content: instance.ignore ? text : '<p data-wpview-marker="' + instance.encodedText + '">' + text + '</p>',
 124                                                         processed: true
 125                                                 } );
 126
 127                                                 // Update the remaining content.
 128                                                 remaining = remaining.slice( result.index + result.content.length );
 129                                         }
 130
 131                                         // There are no additional matches.
 132                                         // If any content remains, add it as an unprocessed piece.
 133                                         if ( remaining ) {
 134                                                 pieces.push( { content: remaining } );
 135                                         }
 136                                 } );
 137                         } );
 138
 139                         content = _.pluck( pieces, 'content' ).join( '' );
 140                         return content.replace( /<p>\s*<p data-wpview-marker=/g, '<p data-wpview-marker=' ).replace( /<\/p>\s*<\/p>/g, '</p>' );
 141                 },
 142
 143                 /**
 144                  * Create a view instance.
 145                  *
 146                  * @param {String}  type    The view type.
 147                  * @param {String}  text    The textual representation of the view.
 148                  * @param {Object}  options Options.
 149                  * @param {Boolean} force   Recreate the instance. Optional.
 150                  *
 151                  * @return {wp.mce.View} The view instance.
 152                  */
 153                 createInstance: function( type, text, options, force ) {
 154                         var View = this.get( type ),
 155                                 encodedText,
 156                                 instance;
 157
 158                         text = tinymce.DOM.decode( text );
 159
 160                         if ( ! force ) {
 161                                 instance = this.getInstance( text );
 162
 163                                 if ( instance ) {
 164                                         return instance;
 165                                 }
 166                         }
 167
 168                         encodedText = encodeURIComponent( text );
 169
 170                         options = _.extend( options || {}, {
 171                                 text: text,
 172                                 encodedText: encodedText
 173                         } );
 174
 175                         return instances[ encodedText ] = new View( options );
 176                 },
 177
 178                 /**
 179                  * Get a view instance.
 180                  *
 181                  * @param {(String|HTMLElement)} object The textual representation of the view or the view node.
 182                  *
 183                  * @return {wp.mce.View} The view instance or undefined.
 184                  */
 185                 getInstance: function( object ) {
 186                         if ( typeof object === 'string' ) {
 187                                 return instances[ encodeURIComponent( object ) ];
 188                         }
 189
 190                         return instances[ $( object ).attr( 'data-wpview-text' ) ];
 191                 },
 192
 193                 /**
 194                  * Given a view node, get the view's text.
 195                  *
 196                  * @param {HTMLElement} node The view node.
 197                  *
 198                  * @return {String} The textual representation of the view.
 199                  */
 200                 getText: function( node ) {
 201                         return decodeURIComponent( $( node ).attr( 'data-wpview-text' ) || '' );
 202                 },
 203
 204                 /**
 205                  * Renders all view nodes that are not yet rendered.
 206                  *
 207                  * @param {Boolean} force Rerender all view nodes.
 208                  */
 209                 render: function( force ) {
 210                         _.each( instances, function( instance ) {
 211                                 instance.render( force );
 212                         } );
 213                 },
 214
 215                 /**
 216                  * Update the text of a given view node.
 217                  *
 218                  * @param {String}         text   The new text.
 219                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 220                  * @param {HTMLElement}    node   The view node to update.
 221                  * @param {Boolean}        force  Recreate the instance. Optional.
 222                  */
 223                 update: function( text, editor, node, force ) {
 224                         var instance = this.getInstance( node );
 225
 226                         if ( instance ) {
 227                                 instance.update( text, editor, node, force );
 228                         }
 229                 },
 230
 231                 /**
 232                  * Renders any editing interface based on the view type.
 233                  *
 234                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 235                  * @param {HTMLElement}    node   The view node to edit.
 236                  */
 237                 edit: function( editor, node ) {
 238                         var instance = this.getInstance( node );
 239
 240                         if ( instance && instance.edit ) {
 241                                 instance.edit( instance.text, function( text, force ) {
 242                                         instance.update( text, editor, node, force );
 243                                 } );
 244                         }
 245                 },
 246
 247                 /**
 248                  * Remove a given view node from the DOM.
 249                  *
 250                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 251                  * @param {HTMLElement}    node   The view node to remove.
 252                  */
 253                 remove: function( editor, node ) {
 254                         var instance = this.getInstance( node );
 255
 256                         if ( instance ) {
 257                                 instance.remove( editor, node );
 258                         }
 259                 }
 260         };
 261
 262         /**
 263          * A Backbone-like View constructor intended for use when rendering a TinyMCE View.
 264          * The main difference is that the TinyMCE View is not tied to a particular DOM node.
 265          *
 266          * @param {Object} options Options.
 267          */
 268         wp.mce.View = function( options ) {
 269                 _.extend( this, options );
 270                 this.initialize();
 271         };
 272
 273         wp.mce.View.extend = Backbone.View.extend;
 274
 275         _.extend( wp.mce.View.prototype, {
 276
 277                 /**
 278                  * The content.
 279                  *
 280                  * @type {*}
 281                  */
 282                 content: null,
 283
 284                 /**
 285                  * Whether or not to display a loader.
 286                  *
 287                  * @type {Boolean}
 288                  */
 289                 loader: true,
 290
 291                 /**
 292                  * Runs after the view instance is created.
 293                  */
 294                 initialize: function() {},
 295
 296                 /**
 297                  * Retuns the content to render in the view node.
 298                  *
 299                  * @return {*}
 300                  */
 301                 getContent: function() {
 302                         return this.content;
 303                 },
 304
 305                 /**
 306                  * Renders all view nodes tied to this view instance that are not yet rendered.
 307                  *
 308                  * @param {String}  content The content to render. Optional.
 309                  * @param {Boolean} force   Rerender all view nodes tied to this view instance. Optional.
 310                  */
 311                 render: function( content, force ) {
 312                         if ( content != null ) {
 313                                 this.content = content;
 314                         }
 315
 316                         content = this.getContent();
 317
 318                         // If there's nothing to render an no loader needs to be shown, stop.
 319                         if ( ! this.loader && ! content ) {
 320                                 return;
 321                         }
 322
 323                         // We're about to rerender all views of this instance, so unbind rendered views.
 324                         force && this.unbind();
 325
 326                         // Replace any left over markers.
 327                         this.replaceMarkers();
 328
 329                         if ( content ) {
 330                                 this.setContent( content, function( editor, node, contentNode ) {
 331                                         $( node ).data( 'rendered', true );
 332                                         this.bindNode.call( this, editor, node, contentNode );
 333                                 }, force ? null : false );
 334                         } else {
 335                                 this.setLoader();
 336                         }
 337                 },
 338
 339                 /**
 340                  * Binds a given node after its content is added to the DOM.
 341                  */
 342                 bindNode: function() {},
 343
 344                 /**
 345                  * Unbinds a given node before its content is removed from the DOM.
 346                  */
 347                 unbindNode: function() {},
 348
 349                 /**
 350                  * Unbinds all view nodes tied to this view instance.
 351                  * Runs before their content is removed from the DOM.
 352                  */
 353                 unbind: function() {
 354                         this.getNodes( function( editor, node, contentNode ) {
 355                                 this.unbindNode.call( this, editor, node, contentNode );
 356                                 $( node ).trigger( 'wp-mce-view-unbind' );
 357                         }, true );
 358                 },
 359
 360                 /**
 361                  * Gets all the TinyMCE editor instances that support views.
 362                  *
 363                  * @param {Function} callback A callback.
 364                  */
 365                 getEditors: function( callback ) {
 366                         _.each( tinymce.editors, function( editor ) {
 367                                 if ( editor.plugins.wpview ) {
 368                                         callback.call( this, editor );
 369                                 }
 370                         }, this );
 371                 },
 372
 373                 /**
 374                  * Gets all view nodes tied to this view instance.
 375                  *
 376                  * @param {Function} callback A callback.
 377                  * @param {Boolean}  rendered Get (un)rendered view nodes. Optional.
 378                  */
 379                 getNodes: function( callback, rendered ) {
 380                         this.getEditors( function( editor ) {
 381                                 var self = this;
 382
 383                                 $( editor.getBody() )
 384                                         .find( '[data-wpview-text="' + self.encodedText + '"]' )
 385                                         .filter( function() {
 386                                                 var data;
 387
 388                                                 if ( rendered == null ) {
 389                                                         return true;
 390                                                 }
 391
 392                                                 data = $( this ).data( 'rendered' ) === true;
 393
 394                                                 return rendered ? data : ! data;
 395                                         } )
 396                                         .each( function() {
 397                                                 callback.call( self, editor, this, $( this ).find( '.wpview-content' ).get( 0 ) );
 398                                         } );
 399                         } );
 400                 },
 401
 402                 /**
 403                  * Gets all marker nodes tied to this view instance.
 404                  *
 405                  * @param {Function} callback A callback.
 406                  */
 407                 getMarkers: function( callback ) {
 408                         this.getEditors( function( editor ) {
 409                                 var self = this;
 410
 411                                 $( editor.getBody() )
 412                                         .find( '[data-wpview-marker="' + this.encodedText + '"]' )
 413                                         .each( function() {
 414                                                 callback.call( self, editor, this );
 415                                         } );
 416                         } );
 417                 },
 418
 419                 /**
 420                  * Replaces all marker nodes tied to this view instance.
 421                  */
 422                 replaceMarkers: function() {
 423                         this.getMarkers( function( editor, node ) {
 424                                 var selected = node === editor.selection.getNode(),
 425                                         $viewNode;
 426
 427                                 if ( ! this.loader && $( node ).text() !== this.text ) {
 428                                         editor.dom.setAttrib( node, 'data-wpview-marker', null );
 429                                         return;
 430                                 }
 431
 432                                 $viewNode = editor.$(
 433                                         '<div class="wpview-wrap" data-wpview-text="' + this.encodedText + '" data-wpview-type="' + this.type + '">' +
 434                                                 '<p class="wpview-selection-before">\u00a0</p>' +
 435                                                 '<div class="wpview-body" contenteditable="false">' +
 436                                                         '<div class="wpview-content wpview-type-' + this.type + '"></div>' +
 437                                                 '</div>' +
 438                                                 '<p class="wpview-selection-after">\u00a0</p>' +
 439                                         '</div>'
 440                                 );
 441
 442                                 editor.$( node ).replaceWith( $viewNode );
 443
 444                                 if ( selected ) {
 445                                         editor.wp.setViewCursor( false, $viewNode[0] );
 446                                 }
 447                         } );
 448                 },
 449
 450                 /**
 451                  * Removes all marker nodes tied to this view instance.
 452                  */
 453                 removeMarkers: function() {
 454                         this.getMarkers( function( editor, node ) {
 455                                 editor.dom.setAttrib( node, 'data-wpview-marker', null );
 456                         } );
 457                 },
 458
 459                 /**
 460                  * Sets the content for all view nodes tied to this view instance.
 461                  *
 462                  * @param {*}        content  The content to set.
 463                  * @param {Function} callback A callback. Optional.
 464                  * @param {Boolean}  rendered Only set for (un)rendered nodes. Optional.
 465                  */
 466                 setContent: function( content, callback, rendered ) {
 467                         if ( _.isObject( content ) && content.body.indexOf( '<script' ) !== -1 ) {
 468                                 this.setIframes( content.head || '', content.body, callback, rendered );
 469                         } else if ( _.isString( content ) && content.indexOf( '<script' ) !== -1 ) {
 470                                 this.setIframes( '', content, callback, rendered );
 471                         } else {
 472                                 this.getNodes( function( editor, node, contentNode ) {
 473                                         content = content.body || content;
 474
 475                                         if ( content.indexOf( '<iframe' ) !== -1 ) {
 476                                                 content += '<div class="wpview-overlay"></div>';
 477                                         }
 478
 479                                         contentNode.innerHTML = '';
 480                                         contentNode.appendChild( _.isString( content ) ? editor.dom.createFragment( content ) : content );
 481
 482                                         callback && callback.call( this, editor, node, contentNode );
 483                                 }, rendered );
 484                         }
 485                 },
 486
 487                 /**
 488                  * Sets the content in an iframe for all view nodes tied to this view instance.
 489                  *
 490                  * @param {String}   head     HTML string to be added to the head of the document.
 491                  * @param {String}   body     HTML string to be added to the body of the document.
 492                  * @param {Function} callback A callback. Optional.
 493                  * @param {Boolean}  rendered Only set for (un)rendered nodes. Optional.
 494                  */
 495                 setIframes: function( head, body, callback, rendered ) {
 496                         var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
 497                                 self = this;
 498
 499                         this.getNodes( function( editor, node, contentNode ) {
 500                                 var dom = editor.dom,
 501                                         styles = '',
 502                                         bodyClasses = editor.getBody().className || '',
 503                                         editorHead = editor.getDoc().getElementsByTagName( 'head' )[0];
 504
 505                                 tinymce.each( dom.$( 'link[rel="stylesheet"]', editorHead ), function( link ) {
 506                                         if ( link.href && link.href.indexOf( 'skins/lightgray/content.min.css' ) === -1 &&
 507                                                 link.href.indexOf( 'skins/wordpress/wp-content.css' ) === -1 ) {
 508
 509                                                 styles += dom.getOuterHTML( link );
 510                                         }
 511                                 } );
 512
 513                                 if ( self.iframeHeight ) {
 514                                         dom.add( contentNode, 'div', { style: {
 515                                                 width: '100%',
 516                                                 height: self.iframeHeight
 517                                         } } );
 518                                 }
 519
 520                                 // Seems the browsers need a bit of time to insert/set the view nodes,
 521                                 // or the iframe will fail especially when switching Text => Visual.
 522                                 setTimeout( function() {
 523                                         var iframe, iframeDoc, observer, i, block;
 524
 525                                         contentNode.innerHTML = '';
 526
 527                                         iframe = dom.add( contentNode, 'iframe', {
 528                                                 /* jshint scripturl: true */
 529                                                 src: tinymce.Env.ie ? 'javascript:""' : '',
 530                                                 frameBorder: '0',
 531                                                 allowTransparency: 'true',
 532                                                 scrolling: 'no',
 533                                                 'class': 'wpview-sandbox',
 534                                                 style: {
 535                                                         width: '100%',
 536                                                         display: 'block'
 537                                                 },
 538                                                 height: self.iframeHeight
 539                                         } );
 540
 541                                         dom.add( contentNode, 'div', { 'class': 'wpview-overlay' } );
 542
 543                                         iframeDoc = iframe.contentWindow.document;
 544
 545                                         iframeDoc.open();
 546
 547                                         iframeDoc.write(
 548                                                 '<!DOCTYPE html>' +
 549                                                 '<html>' +
 550                                                         '<head>' +
 551                                                                 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
 552                                                                 head +
 553                                                                 styles +
 554                                                                 '<style>' +
 555                                                                         'html {' +
 556                                                                                 'background: transparent;' +
 557                                                                                 'padding: 0;' +
 558                                                                                 'margin: 0;' +
 559                                                                         '}' +
 560                                                                         'body#wpview-iframe-sandbox {' +
 561                                                                                 'background: transparent;' +
 562                                                                                 'padding: 1px 0 !important;' +
 563                                                                                 'margin: -1px 0 0 !important;' +
 564                                                                         '}' +
 565                                                                         'body#wpview-iframe-sandbox:before,' +
 566                                                                         'body#wpview-iframe-sandbox:after {' +
 567                                                                                 'display: none;' +
 568                                                                                 'content: "";' +
 569                                                                         '}' +
 570                                                                 '</style>' +
 571                                                         '</head>' +
 572                                                         '<body id="wpview-iframe-sandbox" class="' + bodyClasses + '">' +
 573                                                                 body +
 574                                                         '</body>' +
 575                                                 '</html>'
 576                                         );
 577
 578                                         iframeDoc.close();
 579
 580                                         function resize() {
 581                                                 var $iframe;
 582
 583                                                 if ( block ) {
 584                                                         return;
 585                                                 }
 586
 587                                                 // Make sure the iframe still exists.
 588                                                 if ( iframe.contentWindow ) {
 589                                                         $iframe = $( iframe );
 590                                                         self.iframeHeight = $( iframeDoc.body ).height();
 591
 592                                                         if ( $iframe.height() !== self.iframeHeight ) {
 593                                                                 $iframe.height( self.iframeHeight );
 594                                                                 editor.nodeChanged();
 595                                                         }
 596                                                 }
 597                                         }
 598
 599                                         if ( self.iframeHeight ) {
 600                                                 block = true;
 601
 602                                                 setTimeout( function() {
 603                                                         block = false;
 604                                                         resize();
 605                                                 }, 3000 );
 606                                         }
 607
 608                                         $( iframe.contentWindow ).on( 'load', resize );
 609
 610                                         if ( MutationObserver ) {
 611                                                 observer = new MutationObserver( _.debounce( resize, 100 ) );
 612
 613                                                 observer.observe( iframeDoc.body, {
 614                                                         attributes: true,
 615                                                         childList: true,
 616                                                         subtree: true
 617                                                 } );
 618
 619                                                 $( node ).one( 'wp-mce-view-unbind', function() {
 620                                                         observer.disconnect();
 621                                                 } );
 622                                         } else {
 623                                                 for ( i = 1; i < 6; i++ ) {
 624                                                         setTimeout( resize, i * 700 );
 625                                                 }
 626                                         }
 627
 628                                         function classChange() {
 629                                                 iframeDoc.body.className = editor.getBody().className;
 630                                         }
 631
 632                                         editor.on( 'wp-body-class-change', classChange );
 633
 634                                         $( node ).one( 'wp-mce-view-unbind', function() {
 635                                                 editor.off( 'wp-body-class-change', classChange );
 636                                         } );
 637
 638                                         callback && callback.call( self, editor, node, contentNode );
 639                                 }, 50 );
 640                         }, rendered );
 641                 },
 642
 643                 /**
 644                  * Sets a loader for all view nodes tied to this view instance.
 645                  */
 646                 setLoader: function() {
 647                         this.setContent(
 648                                 '<div class="loading-placeholder">' +
 649                                         '<div class="dashicons dashicons-admin-media"></div>' +
 650                                         '<div class="wpview-loading"><ins></ins></div>' +
 651                                 '</div>'
 652                         );
 653                 },
 654
 655                 /**
 656                  * Sets an error for all view nodes tied to this view instance.
 657                  *
 658                  * @param {String} message  The error message to set.
 659                  * @param {String} dashicon A dashicon ID. Optional. {@link https://developer.wordpress.org/resource/dashicons/}
 660                  */
 661                 setError: function( message, dashicon ) {
 662                         this.setContent(
 663                                 '<div class="wpview-error">' +
 664                                         '<div class="dashicons dashicons-' + ( dashicon || 'no' ) + '"></div>' +
 665                                         '<p>' + message + '</p>' +
 666                                 '</div>'
 667                         );
 668                 },
 669
 670                 /**
 671                  * Tries to find a text match in a given string.
 672                  *
 673                  * @param {String} content The string to scan.
 674                  *
 675                  * @return {Object}
 676                  */
 677                 match: function( content ) {
 678                         var match = shortcode.next( this.type, content );
 679
 680                         if ( match ) {
 681                                 return {
 682                                         index: match.index,
 683                                         content: match.content,
 684                                         options: {
 685                                                 shortcode: match.shortcode
 686                                         }
 687                                 };
 688                         }
 689                 },
 690
 691                 /**
 692                  * Update the text of a given view node.
 693                  *
 694                  * @param {String}         text   The new text.
 695                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 696                  * @param {HTMLElement}    node   The view node to update.
 697                  * @param {Boolean}        force  Recreate the instance. Optional.
 698                  */
 699                 update: function( text, editor, node, force ) {
 700                         _.find( views, function( view, type ) {
 701                                 var match = view.prototype.match( text );
 702
 703                                 if ( match ) {
 704                                         $( node ).data( 'rendered', false );
 705                                         editor.dom.setAttrib( node, 'data-wpview-text', encodeURIComponent( text ) );
 706                                         wp.mce.views.createInstance( type, text, match.options, force ).render();
 707                                         editor.focus();
 708
 709                                         return true;
 710                                 }
 711                         } );
 712                 },
 713
 714                 /**
 715                  * Remove a given view node from the DOM.
 716                  *
 717                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 718                  * @param {HTMLElement}    node   The view node to remove.
 719                  */
 720                 remove: function( editor, node ) {
 721                         this.unbindNode.call( this, editor, node, $( node ).find( '.wpview-content' ).get( 0 ) );
 722                         $( node ).trigger( 'wp-mce-view-unbind' );
 723                         editor.dom.remove( node );
 724                         editor.focus();
 725                 }
 726         } );
 727 } )( window, window.wp, window.wp.shortcode, window.jQuery );
 728
 729 /*
 730  * The WordPress core TinyMCE views.
 731  * Views for the gallery, audio, video, playlist and embed shortcodes,
 732  * and a view for embeddable URLs.
 733  */
 734 ( function( window, views, media, $ ) {
 735         var base, gallery, av, embed,
 736                 schema, parser, serializer;
 737
 738         function verifyHTML( string ) {
 739                 var settings = {};
 740
 741                 if ( ! window.tinymce ) {
 742                         return string.replace( /<[^>]+>/g, '' );
 743                 }
 744
 745                 if ( ! string || ( string.indexOf( '<' ) === -1 && string.indexOf( '>' ) === -1 ) ) {
 746                         return string;
 747                 }
 748
 749                 schema = schema || new window.tinymce.html.Schema( settings );
 750                 parser = parser || new window.tinymce.html.DomParser( settings, schema );
 751                 serializer = serializer || new window.tinymce.html.Serializer( settings, schema );
 752
 753                 return serializer.serialize( parser.parse( string, { forced_root_block: false } ) );
 754         }
 755
 756         base = {
 757                 state: [],
 758
 759                 edit: function( text, update ) {
 760                         var type = this.type,
 761                                 frame = media[ type ].edit( text );
 762
 763                         this.pausePlayers && this.pausePlayers();
 764
 765                         _.each( this.state, function( state ) {
 766                                 frame.state( state ).on( 'update', function( selection ) {
 767                                         update( media[ type ].shortcode( selection ).string(), type === 'gallery' );
 768                                 } );
 769                         } );
 770
 771                         frame.on( 'close', function() {
 772                                 frame.detach();
 773                         } );
 774
 775                         frame.open();
 776                 }
 777         };
 778
 779         gallery = _.extend( {}, base, {
 780                 state: [ 'gallery-edit' ],
 781                 template: media.template( 'editor-gallery' ),
 782
 783                 initialize: function() {
 784                         var attachments = media.gallery.attachments( this.shortcode, media.view.settings.post.id ),
 785                                 attrs = this.shortcode.attrs.named,
 786                                 self = this;
 787
 788                         attachments.more()
 789                         .done( function() {
 790                                 attachments = attachments.toJSON();
 791
 792                                 _.each( attachments, function( attachment ) {
 793                                         if ( attachment.sizes ) {
 794                                                 if ( attrs.size && attachment.sizes[ attrs.size ] ) {
 795                                                         attachment.thumbnail = attachment.sizes[ attrs.size ];
 796                                                 } else if ( attachment.sizes.thumbnail ) {
 797                                                         attachment.thumbnail = attachment.sizes.thumbnail;
 798                                                 } else if ( attachment.sizes.full ) {
 799                                                         attachment.thumbnail = attachment.sizes.full;
 800                                                 }
 801                                         }
 802                                 } );
 803
 804                                 self.render( self.template( {
 805                                         verifyHTML: verifyHTML,
 806                                         attachments: attachments,
 807                                         columns: attrs.columns ? parseInt( attrs.columns, 10 ) : media.galleryDefaults.columns
 808                                 } ) );
 809                         } )
 810                         .fail( function( jqXHR, textStatus ) {
 811                                 self.setError( textStatus );
 812                         } );
 813                 }
 814         } );
 815
 816         av = _.extend( {}, base, {
 817                 action: 'parse-media-shortcode',
 818
 819                 initialize: function() {
 820                         var self = this;
 821
 822                         if ( this.url ) {
 823                                 this.loader = false;
 824                                 this.shortcode = media.embed.shortcode( {
 825                                         url: this.text
 826                                 } );
 827                         }
 828
 829                         wp.ajax.post( this.action, {
 830                                 post_ID: media.view.settings.post.id,
 831                                 type: this.shortcode.tag,
 832                                 shortcode: this.shortcode.string()
 833                         } )
 834                         .done( function( response ) {
 835                                 self.render( response );
 836                         } )
 837                         .fail( function( response ) {
 838                                 if ( self.url ) {
 839                                         self.ignore = true;
 840                                         self.removeMarkers();
 841                                 } else {
 842                                         self.setError( response.message || response.statusText, 'admin-media' );
 843                                 }
 844                         } );
 845
 846                         this.getEditors( function( editor ) {
 847                                 editor.on( 'wpview-selected', function() {
 848                                         self.pausePlayers();
 849                                 } );
 850                         } );
 851                 },
 852
 853                 pausePlayers: function() {
 854                         this.getNodes( function( editor, node, content ) {
 855                                 var win = $( 'iframe.wpview-sandbox', content ).get( 0 );
 856
 857                                 if ( win && ( win = win.contentWindow ) && win.mejs ) {
 858                                         _.each( win.mejs.players, function( player ) {
 859                                                 try {
 860                                                         player.pause();
 861                                                 } catch ( e ) {}
 862                                         } );
 863                                 }
 864                         } );
 865                 }
 866         } );
 867
 868         embed = _.extend( {}, av, {
 869                 action: 'parse-embed',
 870
 871                 edit: function( text, update ) {
 872                         var frame = media.embed.edit( text, this.url ),
 873                                 self = this;
 874
 875                         this.pausePlayers();
 876
 877                         frame.state( 'embed' ).props.on( 'change:url', function( model, url ) {
 878                                 if ( url && model.get( 'url' ) ) {
 879                                         frame.state( 'embed' ).metadata = model.toJSON();
 880                                 }
 881                         } );
 882
 883                         frame.state( 'embed' ).on( 'select', function() {
 884                                 var data = frame.state( 'embed' ).metadata;
 885
 886                                 if ( self.url ) {
 887                                         update( data.url );
 888                                 } else {
 889                                         update( media.embed.shortcode( data ).string() );
 890                                 }
 891                         } );
 892
 893                         frame.on( 'close', function() {
 894                                 frame.detach();
 895                         } );
 896
 897                         frame.open();
 898                 }
 899         } );
 900
 901         views.register( 'gallery', _.extend( {}, gallery ) );
 902
 903         views.register( 'audio', _.extend( {}, av, {
 904                 state: [ 'audio-details' ]
 905         } ) );
 906
 907         views.register( 'video', _.extend( {}, av, {
 908                 state: [ 'video-details' ]
 909         } ) );
 910
 911         views.register( 'playlist', _.extend( {}, av, {
 912                 state: [ 'playlist-edit', 'video-playlist-edit' ]
 913         } ) );
 914
 915         views.register( 'embed', _.extend( {}, embed ) );
 916
 917         views.register( 'embedURL', _.extend( {}, embed, {
 918                 match: function( content ) {
 919                         var re = /(^|<p>)(https?:\/\/[^\s"]+?)(<\/p>\s*|$)/gi,
 920                                 match = re.exec( content );
 921
 922                         if ( match ) {
 923                                 return {
 924                                         index: match.index + match[1].length,
 925                                         content: match[2],
 926                                         options: {
 927                                                 url: true
 928                                         }
 929                                 };
 930                         }
 931                 }
 932         } ) );
 933 } )( window, window.wp.mce.views, window.wp.media, window.jQuery );