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 ( text.indexOf( '[' ) !== -1 && text.indexOf( ']' ) !== -1 ) {
 161                                 // Looks like a shortcode? Remove any line breaks from inside of shortcodes
 162                                 // or autop will replace them with <p> and <br> later and the string won't match.
 163                                 text = text.replace( /\[[^\]]+\]/g, function( match ) {
 164                                         return match.replace( /[\r\n]/g, '' );
 165                                 });
 166                         }
 167
 168                         if ( ! force ) {
 169                                 instance = this.getInstance( text );
 170
 171                                 if ( instance ) {
 172                                         return instance;
 173                                 }
 174                         }
 175
 176                         encodedText = encodeURIComponent( text );
 177
 178                         options = _.extend( options || {}, {
 179                                 text: text,
 180                                 encodedText: encodedText
 181                         } );
 182
 183                         return instances[ encodedText ] = new View( options );
 184                 },
 185
 186                 /**
 187                  * Get a view instance.
 188                  *
 189                  * @param {(String|HTMLElement)} object The textual representation of the view or the view node.
 190                  *
 191                  * @return {wp.mce.View} The view instance or undefined.
 192                  */
 193                 getInstance: function( object ) {
 194                         if ( typeof object === 'string' ) {
 195                                 return instances[ encodeURIComponent( object ) ];
 196                         }
 197
 198                         return instances[ $( object ).attr( 'data-wpview-text' ) ];
 199                 },
 200
 201                 /**
 202                  * Given a view node, get the view's text.
 203                  *
 204                  * @param {HTMLElement} node The view node.
 205                  *
 206                  * @return {String} The textual representation of the view.
 207                  */
 208                 getText: function( node ) {
 209                         return decodeURIComponent( $( node ).attr( 'data-wpview-text' ) || '' );
 210                 },
 211
 212                 /**
 213                  * Renders all view nodes that are not yet rendered.
 214                  *
 215                  * @param {Boolean} force Rerender all view nodes.
 216                  */
 217                 render: function( force ) {
 218                         _.each( instances, function( instance ) {
 219                                 instance.render( null, force );
 220                         } );
 221                 },
 222
 223                 /**
 224                  * Update the text of a given view node.
 225                  *
 226                  * @param {String}         text   The new text.
 227                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 228                  * @param {HTMLElement}    node   The view node to update.
 229                  * @param {Boolean}        force  Recreate the instance. Optional.
 230                  */
 231                 update: function( text, editor, node, force ) {
 232                         var instance = this.getInstance( node );
 233
 234                         if ( instance ) {
 235                                 instance.update( text, editor, node, force );
 236                         }
 237                 },
 238
 239                 /**
 240                  * Renders any editing interface based on the view type.
 241                  *
 242                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 243                  * @param {HTMLElement}    node   The view node to edit.
 244                  */
 245                 edit: function( editor, node ) {
 246                         var instance = this.getInstance( node );
 247
 248                         if ( instance && instance.edit ) {
 249                                 instance.edit( instance.text, function( text, force ) {
 250                                         instance.update( text, editor, node, force );
 251                                 } );
 252                         }
 253                 },
 254
 255                 /**
 256                  * Remove a given view node from the DOM.
 257                  *
 258                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 259                  * @param {HTMLElement}    node   The view node to remove.
 260                  */
 261                 remove: function( editor, node ) {
 262                         var instance = this.getInstance( node );
 263
 264                         if ( instance ) {
 265                                 instance.remove( editor, node );
 266                         }
 267                 }
 268         };
 269
 270         /**
 271          * A Backbone-like View constructor intended for use when rendering a TinyMCE View.
 272          * The main difference is that the TinyMCE View is not tied to a particular DOM node.
 273          *
 274          * @param {Object} options Options.
 275          */
 276         wp.mce.View = function( options ) {
 277                 _.extend( this, options );
 278                 this.initialize();
 279         };
 280
 281         wp.mce.View.extend = Backbone.View.extend;
 282
 283         _.extend( wp.mce.View.prototype, {
 284
 285                 /**
 286                  * The content.
 287                  *
 288                  * @type {*}
 289                  */
 290                 content: null,
 291
 292                 /**
 293                  * Whether or not to display a loader.
 294                  *
 295                  * @type {Boolean}
 296                  */
 297                 loader: true,
 298
 299                 /**
 300                  * Runs after the view instance is created.
 301                  */
 302                 initialize: function() {},
 303
 304                 /**
 305                  * Returns the content to render in the view node.
 306                  *
 307                  * @return {*}
 308                  */
 309                 getContent: function() {
 310                         return this.content;
 311                 },
 312
 313                 /**
 314                  * Renders all view nodes tied to this view instance that are not yet rendered.
 315                  *
 316                  * @param {String}  content The content to render. Optional.
 317                  * @param {Boolean} force   Rerender all view nodes tied to this view instance. Optional.
 318                  */
 319                 render: function( content, force ) {
 320                         if ( content != null ) {
 321                                 this.content = content;
 322                         }
 323
 324                         content = this.getContent();
 325
 326                         // If there's nothing to render an no loader needs to be shown, stop.
 327                         if ( ! this.loader && ! content ) {
 328                                 return;
 329                         }
 330
 331                         // We're about to rerender all views of this instance, so unbind rendered views.
 332                         force && this.unbind();
 333
 334                         // Replace any left over markers.
 335                         this.replaceMarkers();
 336
 337                         if ( content ) {
 338                                 this.setContent( content, function( editor, node ) {
 339                                         $( node ).data( 'rendered', true );
 340                                         this.bindNode.call( this, editor, node );
 341                                 }, force ? null : false );
 342                         } else {
 343                                 this.setLoader();
 344                         }
 345                 },
 346
 347                 /**
 348                  * Binds a given node after its content is added to the DOM.
 349                  */
 350                 bindNode: function() {},
 351
 352                 /**
 353                  * Unbinds a given node before its content is removed from the DOM.
 354                  */
 355                 unbindNode: function() {},
 356
 357                 /**
 358                  * Unbinds all view nodes tied to this view instance.
 359                  * Runs before their content is removed from the DOM.
 360                  */
 361                 unbind: function() {
 362                         this.getNodes( function( editor, node ) {
 363                                 this.unbindNode.call( this, editor, node );
 364                         }, true );
 365                 },
 366
 367                 /**
 368                  * Gets all the TinyMCE editor instances that support views.
 369                  *
 370                  * @param {Function} callback A callback.
 371                  */
 372                 getEditors: function( callback ) {
 373                         _.each( tinymce.editors, function( editor ) {
 374                                 if ( editor.plugins.wpview ) {
 375                                         callback.call( this, editor );
 376                                 }
 377                         }, this );
 378                 },
 379
 380                 /**
 381                  * Gets all view nodes tied to this view instance.
 382                  *
 383                  * @param {Function} callback A callback.
 384                  * @param {Boolean}  rendered Get (un)rendered view nodes. Optional.
 385                  */
 386                 getNodes: function( callback, rendered ) {
 387                         this.getEditors( function( editor ) {
 388                                 var self = this;
 389
 390                                 $( editor.getBody() )
 391                                         .find( '[data-wpview-text="' + self.encodedText + '"]' )
 392                                         .filter( function() {
 393                                                 var data;
 394
 395                                                 if ( rendered == null ) {
 396                                                         return true;
 397                                                 }
 398
 399                                                 data = $( this ).data( 'rendered' ) === true;
 400
 401                                                 return rendered ? data : ! data;
 402                                         } )
 403                                         .each( function() {
 404                                                 callback.call( self, editor, this, this /* back compat */ );
 405                                         } );
 406                         } );
 407                 },
 408
 409                 /**
 410                  * Gets all marker nodes tied to this view instance.
 411                  *
 412                  * @param {Function} callback A callback.
 413                  */
 414                 getMarkers: function( callback ) {
 415                         this.getEditors( function( editor ) {
 416                                 var self = this;
 417
 418                                 $( editor.getBody() )
 419                                         .find( '[data-wpview-marker="' + this.encodedText + '"]' )
 420                                         .each( function() {
 421                                                 callback.call( self, editor, this );
 422                                         } );
 423                         } );
 424                 },
 425
 426                 /**
 427                  * Replaces all marker nodes tied to this view instance.
 428                  */
 429                 replaceMarkers: function() {
 430                         this.getMarkers( function( editor, node ) {
 431                                 var $viewNode;
 432
 433                                 if ( ! this.loader && $( node ).text() !== this.text ) {
 434                                         editor.dom.setAttrib( node, 'data-wpview-marker', null );
 435                                         return;
 436                                 }
 437
 438                                 $viewNode = editor.$(
 439                                         '<div class="wpview wpview-wrap" data-wpview-text="' + this.encodedText + '" data-wpview-type="' + this.type + '" contenteditable="false"></div>'
 440                                 );
 441
 442                                 editor.$( node ).replaceWith( $viewNode );
 443                         } );
 444                 },
 445
 446                 /**
 447                  * Removes all marker nodes tied to this view instance.
 448                  */
 449                 removeMarkers: function() {
 450                         this.getMarkers( function( editor, node ) {
 451                                 editor.dom.setAttrib( node, 'data-wpview-marker', null );
 452                         } );
 453                 },
 454
 455                 /**
 456                  * Sets the content for all view nodes tied to this view instance.
 457                  *
 458                  * @param {*}        content  The content to set.
 459                  * @param {Function} callback A callback. Optional.
 460                  * @param {Boolean}  rendered Only set for (un)rendered nodes. Optional.
 461                  */
 462                 setContent: function( content, callback, rendered ) {
 463                         if ( _.isObject( content ) && content.body.indexOf( '<script' ) !== -1 ) {
 464                                 this.setIframes( content.head || '', content.body, callback, rendered );
 465                         } else if ( _.isString( content ) && content.indexOf( '<script' ) !== -1 ) {
 466                                 this.setIframes( '', content, callback, rendered );
 467                         } else {
 468                                 this.getNodes( function( editor, node ) {
 469                                         content = content.body || content;
 470
 471                                         if ( content.indexOf( '<iframe' ) !== -1 ) {
 472                                                 content += '<span class="mce-shim"></span>';
 473                                         }
 474
 475                                         editor.undoManager.transact( function() {
 476                                                 node.innerHTML = '';
 477                                                 node.appendChild( _.isString( content ) ? editor.dom.createFragment( content ) : content );
 478                                                 editor.dom.add( node, 'span', { 'class': 'wpview-end' } );
 479                                         } );
 480
 481                                         callback && callback.call( this, editor, node );
 482                                 }, rendered );
 483                         }
 484                 },
 485
 486                 /**
 487                  * Sets the content in an iframe for all view nodes tied to this view instance.
 488                  *
 489                  * @param {String}   head     HTML string to be added to the head of the document.
 490                  * @param {String}   body     HTML string to be added to the body of the document.
 491                  * @param {Function} callback A callback. Optional.
 492                  * @param {Boolean}  rendered Only set for (un)rendered nodes. Optional.
 493                  */
 494                 setIframes: function( head, body, callback, rendered ) {
 495                         var self = this;
 496
 497                         this.getNodes( function( editor, node ) {
 498                                 var dom = editor.dom,
 499                                         styles = '',
 500                                         bodyClasses = editor.getBody().className || '',
 501                                         editorHead = editor.getDoc().getElementsByTagName( 'head' )[0],
 502                                         iframe, iframeWin, iframeDoc, MutationObserver, observer, i, block;
 503
 504                                 tinymce.each( dom.$( 'link[rel="stylesheet"]', editorHead ), function( link ) {
 505                                         if ( link.href && link.href.indexOf( 'skins/lightgray/content.min.css' ) === -1 &&
 506                                                 link.href.indexOf( 'skins/wordpress/wp-content.css' ) === -1 ) {
 507
 508                                                 styles += dom.getOuterHTML( link );
 509                                         }
 510                                 } );
 511
 512                                 if ( self.iframeHeight ) {
 513                                         dom.add( node, 'span', {
 514                                                 'data-mce-bogus': 1,
 515                                                 style: {
 516                                                         display: 'block',
 517                                                         width: '100%',
 518                                                         height: self.iframeHeight
 519                                                 }
 520                                         }, '\u200B' );
 521                                 }
 522
 523                                 editor.undoManager.transact( function() {
 524                                         node.innerHTML = '';
 525
 526                                         iframe = dom.add( node, 'iframe', {
 527                                                 /* jshint scripturl: true */
 528                                                 src: tinymce.Env.ie ? 'javascript:""' : '',
 529                                                 frameBorder: '0',
 530                                                 allowTransparency: 'true',
 531                                                 scrolling: 'no',
 532                                                 'class': 'wpview-sandbox',
 533                                                 style: {
 534                                                         width: '100%',
 535                                                         display: 'block'
 536                                                 },
 537                                                 height: self.iframeHeight
 538                                         } );
 539
 540                                         dom.add( node, 'span', { 'class': 'mce-shim' } );
 541                                         dom.add( node, 'span', { 'class': 'wpview-end' } );
 542                                 } );
 543
 544                                 // Bail if the iframe node is not attached to the DOM.
 545                                 // Happens when the view is dragged in the editor.
 546                                 // There is a browser restriction when iframes are moved in the DOM. They get emptied.
 547                                 // The iframe will be rerendered after dropping the view node at the new location.
 548                                 if ( ! iframe.contentWindow ) {
 549                                         return;
 550                                 }
 551
 552                                 iframeWin = iframe.contentWindow;
 553                                 iframeDoc = iframeWin.document;
 554                                 iframeDoc.open();
 555
 556                                 iframeDoc.write(
 557                                         '<!DOCTYPE html>' +
 558                                         '<html>' +
 559                                                 '<head>' +
 560                                                         '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
 561                                                         head +
 562                                                         styles +
 563                                                         '<style>' +
 564                                                                 'html {' +
 565                                                                         'background: transparent;' +
 566                                                                         'padding: 0;' +
 567                                                                         'margin: 0;' +
 568                                                                 '}' +
 569                                                                 'body#wpview-iframe-sandbox {' +
 570                                                                         'background: transparent;' +
 571                                                                         'padding: 1px 0 !important;' +
 572                                                                         'margin: -1px 0 0 !important;' +
 573                                                                 '}' +
 574                                                                 'body#wpview-iframe-sandbox:before,' +
 575                                                                 'body#wpview-iframe-sandbox:after {' +
 576                                                                         'display: none;' +
 577                                                                         'content: "";' +
 578                                                                 '}' +
 579                                                         '</style>' +
 580                                                 '</head>' +
 581                                                 '<body id="wpview-iframe-sandbox" class="' + bodyClasses + '">' +
 582                                                         body +
 583                                                 '</body>' +
 584                                         '</html>'
 585                                 );
 586
 587                                 iframeDoc.close();
 588
 589                                 function resize() {
 590                                         var $iframe;
 591
 592                                         if ( block ) {
 593                                                 return;
 594                                         }
 595
 596                                         // Make sure the iframe still exists.
 597                                         if ( iframe.contentWindow ) {
 598                                                 $iframe = $( iframe );
 599                                                 self.iframeHeight = $( iframeDoc.body ).height();
 600
 601                                                 if ( $iframe.height() !== self.iframeHeight ) {
 602                                                         $iframe.height( self.iframeHeight );
 603                                                         editor.nodeChanged();
 604                                                 }
 605                                         }
 606                                 }
 607
 608                                 if ( self.iframeHeight ) {
 609                                         block = true;
 610
 611                                         setTimeout( function() {
 612                                                 block = false;
 613                                                 resize();
 614                                         }, 3000 );
 615                                 }
 616
 617                                 function reload() {
 618                                         $( node ).data( 'rendered', null );
 619
 620                                         setTimeout( function() {
 621                                                 wp.mce.views.render();
 622                                         } );
 623                                 }
 624
 625                                 $( iframeWin ).on( 'load', resize ).on( 'unload', reload );
 626
 627                                 MutationObserver = iframeWin.MutationObserver || iframeWin.WebKitMutationObserver || iframeWin.MozMutationObserver;
 628
 629                                 if ( MutationObserver ) {
 630                                         observer = new MutationObserver( _.debounce( resize, 100 ) );
 631
 632                                         observer.observe( iframeDoc.body, {
 633                                                 attributes: true,
 634                                                 childList: true,
 635                                                 subtree: true
 636                                         } );
 637                                 } else {
 638                                         for ( i = 1; i < 6; i++ ) {
 639                                                 setTimeout( resize, i * 700 );
 640                                         }
 641                                 }
 642
 643                                 callback && callback.call( self, editor, node );
 644                         }, rendered );
 645                 },
 646
 647                 /**
 648                  * Sets a loader for all view nodes tied to this view instance.
 649                  */
 650                 setLoader: function( dashicon ) {
 651                         this.setContent(
 652                                 '<div class="loading-placeholder">' +
 653                                         '<div class="dashicons dashicons-' + ( dashicon || 'admin-media' ) + '"></div>' +
 654                                         '<div class="wpview-loading"><ins></ins></div>' +
 655                                 '</div>'
 656                         );
 657                 },
 658
 659                 /**
 660                  * Sets an error for all view nodes tied to this view instance.
 661                  *
 662                  * @param {String} message  The error message to set.
 663                  * @param {String} dashicon A dashicon ID. Optional. {@link https://developer.wordpress.org/resource/dashicons/}
 664                  */
 665                 setError: function( message, dashicon ) {
 666                         this.setContent(
 667                                 '<div class="wpview-error">' +
 668                                         '<div class="dashicons dashicons-' + ( dashicon || 'no' ) + '"></div>' +
 669                                         '<p>' + message + '</p>' +
 670                                 '</div>'
 671                         );
 672                 },
 673
 674                 /**
 675                  * Tries to find a text match in a given string.
 676                  *
 677                  * @param {String} content The string to scan.
 678                  *
 679                  * @return {Object}
 680                  */
 681                 match: function( content ) {
 682                         var match = shortcode.next( this.type, content );
 683
 684                         if ( match ) {
 685                                 return {
 686                                         index: match.index,
 687                                         content: match.content,
 688                                         options: {
 689                                                 shortcode: match.shortcode
 690                                         }
 691                                 };
 692                         }
 693                 },
 694
 695                 /**
 696                  * Update the text of a given view node.
 697                  *
 698                  * @param {String}         text   The new text.
 699                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 700                  * @param {HTMLElement}    node   The view node to update.
 701                  * @param {Boolean}        force  Recreate the instance. Optional.
 702                  */
 703                 update: function( text, editor, node, force ) {
 704                         _.find( views, function( view, type ) {
 705                                 var match = view.prototype.match( text );
 706
 707                                 if ( match ) {
 708                                         $( node ).data( 'rendered', false );
 709                                         editor.dom.setAttrib( node, 'data-wpview-text', encodeURIComponent( text ) );
 710                                         wp.mce.views.createInstance( type, text, match.options, force ).render();
 711                                         editor.focus();
 712
 713                                         return true;
 714                                 }
 715                         } );
 716                 },
 717
 718                 /**
 719                  * Remove a given view node from the DOM.
 720                  *
 721                  * @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
 722                  * @param {HTMLElement}    node   The view node to remove.
 723                  */
 724                 remove: function( editor, node ) {
 725                         this.unbindNode.call( this, editor, node );
 726                         editor.dom.remove( node );
 727                         editor.focus();
 728                 }
 729         } );
 730 } )( window, window.wp, window.wp.shortcode, window.jQuery );
 731
 732 /*
 733  * The WordPress core TinyMCE views.
 734  * Views for the gallery, audio, video, playlist and embed shortcodes,
 735  * and a view for embeddable URLs.
 736  */
 737 ( function( window, views, media, $ ) {
 738         var base, gallery, av, embed,
 739                 schema, parser, serializer;
 740
 741         function verifyHTML( string ) {
 742                 var settings = {};
 743
 744                 if ( ! window.tinymce ) {
 745                         return string.replace( /<[^>]+>/g, '' );
 746                 }
 747
 748                 if ( ! string || ( string.indexOf( '<' ) === -1 && string.indexOf( '>' ) === -1 ) ) {
 749                         return string;
 750                 }
 751
 752                 schema = schema || new window.tinymce.html.Schema( settings );
 753                 parser = parser || new window.tinymce.html.DomParser( settings, schema );
 754                 serializer = serializer || new window.tinymce.html.Serializer( settings, schema );
 755
 756                 return serializer.serialize( parser.parse( string, { forced_root_block: false } ) );
 757         }
 758
 759         base = {
 760                 state: [],
 761
 762                 edit: function( text, update ) {
 763                         var type = this.type,
 764                                 frame = media[ type ].edit( text );
 765
 766                         this.pausePlayers && this.pausePlayers();
 767
 768                         _.each( this.state, function( state ) {
 769                                 frame.state( state ).on( 'update', function( selection ) {
 770                                         update( media[ type ].shortcode( selection ).string(), type === 'gallery' );
 771                                 } );
 772                         } );
 773
 774                         frame.on( 'close', function() {
 775                                 frame.detach();
 776                         } );
 777
 778                         frame.open();
 779                 }
 780         };
 781
 782         gallery = _.extend( {}, base, {
 783                 state: [ 'gallery-edit' ],
 784                 template: media.template( 'editor-gallery' ),
 785
 786                 initialize: function() {
 787                         var attachments = media.gallery.attachments( this.shortcode, media.view.settings.post.id ),
 788                                 attrs = this.shortcode.attrs.named,
 789                                 self = this;
 790
 791                         attachments.more()
 792                         .done( function() {
 793                                 attachments = attachments.toJSON();
 794
 795                                 _.each( attachments, function( attachment ) {
 796                                         if ( attachment.sizes ) {
 797                                                 if ( attrs.size && attachment.sizes[ attrs.size ] ) {
 798                                                         attachment.thumbnail = attachment.sizes[ attrs.size ];
 799                                                 } else if ( attachment.sizes.thumbnail ) {
 800                                                         attachment.thumbnail = attachment.sizes.thumbnail;
 801                                                 } else if ( attachment.sizes.full ) {
 802                                                         attachment.thumbnail = attachment.sizes.full;
 803                                                 }
 804                                         }
 805                                 } );
 806
 807                                 self.render( self.template( {
 808                                         verifyHTML: verifyHTML,
 809                                         attachments: attachments,
 810                                         columns: attrs.columns ? parseInt( attrs.columns, 10 ) : media.galleryDefaults.columns
 811                                 } ) );
 812                         } )
 813                         .fail( function( jqXHR, textStatus ) {
 814                                 self.setError( textStatus );
 815                         } );
 816                 }
 817         } );
 818
 819         av = _.extend( {}, base, {
 820                 action: 'parse-media-shortcode',
 821
 822                 initialize: function() {
 823                         var self = this;
 824
 825                         if ( this.url ) {
 826                                 this.loader = false;
 827                                 this.shortcode = media.embed.shortcode( {
 828                                         url: this.text
 829                                 } );
 830                         }
 831
 832                         wp.ajax.post( this.action, {
 833                                 post_ID: media.view.settings.post.id,
 834                                 type: this.shortcode.tag,
 835                                 shortcode: this.shortcode.string()
 836                         } )
 837                         .done( function( response ) {
 838                                 self.render( response );
 839                         } )
 840                         .fail( function( response ) {
 841                                 if ( self.url ) {
 842                                         self.ignore = true;
 843                                         self.removeMarkers();
 844                                 } else {
 845                                         self.setError( response.message || response.statusText, 'admin-media' );
 846                                 }
 847                         } );
 848
 849                         this.getEditors( function( editor ) {
 850                                 editor.on( 'wpview-selected', function() {
 851                                         self.pausePlayers();
 852                                 } );
 853                         } );
 854                 },
 855
 856                 pausePlayers: function() {
 857                         this.getNodes( function( editor, node, content ) {
 858                                 var win = $( 'iframe.wpview-sandbox', content ).get( 0 );
 859
 860                                 if ( win && ( win = win.contentWindow ) && win.mejs ) {
 861                                         _.each( win.mejs.players, function( player ) {
 862                                                 try {
 863                                                         player.pause();
 864                                                 } catch ( e ) {}
 865                                         } );
 866                                 }
 867                         } );
 868                 }
 869         } );
 870
 871         embed = _.extend( {}, av, {
 872                 action: 'parse-embed',
 873
 874                 edit: function( text, update ) {
 875                         var frame = media.embed.edit( text, this.url ),
 876                                 self = this;
 877
 878                         this.pausePlayers();
 879
 880                         frame.state( 'embed' ).props.on( 'change:url', function( model, url ) {
 881                                 if ( url && model.get( 'url' ) ) {
 882                                         frame.state( 'embed' ).metadata = model.toJSON();
 883                                 }
 884                         } );
 885
 886                         frame.state( 'embed' ).on( 'select', function() {
 887                                 var data = frame.state( 'embed' ).metadata;
 888
 889                                 if ( self.url ) {
 890                                         update( data.url );
 891                                 } else {
 892                                         update( media.embed.shortcode( data ).string() );
 893                                 }
 894                         } );
 895
 896                         frame.on( 'close', function() {
 897                                 frame.detach();
 898                         } );
 899
 900                         frame.open();
 901                 }
 902         } );
 903
 904         views.register( 'gallery', _.extend( {}, gallery ) );
 905
 906         views.register( 'audio', _.extend( {}, av, {
 907                 state: [ 'audio-details' ]
 908         } ) );
 909
 910         views.register( 'video', _.extend( {}, av, {
 911                 state: [ 'video-details' ]
 912         } ) );
 913
 914         views.register( 'playlist', _.extend( {}, av, {
 915                 state: [ 'playlist-edit', 'video-playlist-edit' ]
 916         } ) );
 917
 918         views.register( 'embed', _.extend( {}, embed ) );
 919
 920         views.register( 'embedURL', _.extend( {}, embed, {
 921                 match: function( content ) {
 922                         var re = /(^|<p>)(https?:\/\/[^\s"]+?)(<\/p>\s*|$)/gi,
 923                                 match = re.exec( content );
 924
 925                         if ( match ) {
 926                                 return {
 927                                         index: match.index + match[1].length,
 928                                         content: match[2],
 929                                         options: {
 930                                                 url: true
 931                                         }
 932                                 };
 933                         }
 934                 }
 935         } ) );
 936 } )( window, window.wp.mce.views, window.wp.media, window.jQuery );