wp-includes/js/media-editor.js

   1 /* global getUserSetting, tinymce, QTags */
   2
   3 // WordPress, TinyMCE, and Media
   4 // -----------------------------
   5 (function($, _){
   6         /**
   7          * Stores the editors' `wp.media.controller.Frame` instances.
   8          *
   9          * @static
  10          */
  11         var workflows = {};
  12
  13         /**
  14          * A helper mixin function to avoid truthy and falsey values being
  15          *   passed as an input that expects booleans. If key is undefined in the map,
  16          *   but has a default value, set it.
  17          *
  18          * @param {object} attrs Map of props from a shortcode or settings.
  19          * @param {string} key The key within the passed map to check for a value.
  20          * @returns {mixed|undefined} The original or coerced value of key within attrs
  21          */
  22         wp.media.coerce = function ( attrs, key ) {
  23                 if ( _.isUndefined( attrs[ key ] ) && ! _.isUndefined( this.defaults[ key ] ) ) {
  24                         attrs[ key ] = this.defaults[ key ];
  25                 } else if ( 'true' === attrs[ key ] ) {
  26                         attrs[ key ] = true;
  27                 } else if ( 'false' === attrs[ key ] ) {
  28                         attrs[ key ] = false;
  29                 }
  30                 return attrs[ key ];
  31         };
  32
  33         /**
  34          * wp.media.string
  35          * @namespace
  36          */
  37         wp.media.string = {
  38                 /**
  39                  * Joins the `props` and `attachment` objects,
  40                  * outputting the proper object format based on the
  41                  * attachment's type.
  42                  *
  43                  * @global wp.media.view.settings
  44                  * @global getUserSetting()
  45                  *
  46                  * @param {Object} [props={}] Attachment details (align, link, size, etc).
  47                  * @param {Object} attachment The attachment object, media version of Post.
  48                  * @returns {Object} Joined props
  49                  */
  50                 props: function( props, attachment ) {
  51                         var link, linkUrl, size, sizes, fallbacks,
  52                                 defaultProps = wp.media.view.settings.defaultProps;
  53
  54                         // Final fallbacks run after all processing has been completed.
  55                         fallbacks = function( props ) {
  56                                 // Generate alt fallbacks and strip tags.
  57                                 if ( 'image' === props.type && ! props.alt ) {
  58                                         props.alt = props.caption || props.title || '';
  59                                         props.alt = props.alt.replace( /<\/?[^>]+>/g, '' );
  60                                         props.alt = props.alt.replace( /[\r\n]+/g, ' ' );
  61                                 }
  62
  63                                 return props;
  64                         };
  65
  66                         props = props ? _.clone( props ) : {};
  67
  68                         if ( attachment && attachment.type ) {
  69                                 props.type = attachment.type;
  70                         }
  71
  72                         if ( 'image' === props.type ) {
  73                                 props = _.defaults( props || {}, {
  74                                         align:   defaultProps.align || getUserSetting( 'align', 'none' ),
  75                                         size:    defaultProps.size  || getUserSetting( 'imgsize', 'medium' ),
  76                                         url:     '',
  77                                         classes: []
  78                                 });
  79                         }
  80
  81                         // All attachment-specific settings follow.
  82                         if ( ! attachment ) {
  83                                 return fallbacks( props );
  84                         }
  85
  86                         props.title = props.title || attachment.title;
  87
  88                         link = props.link || defaultProps.link || getUserSetting( 'urlbutton', 'file' );
  89                         if ( 'file' === link || 'embed' === link ) {
  90                                 linkUrl = attachment.url;
  91                         } else if ( 'post' === link ) {
  92                                 linkUrl = attachment.link;
  93                         } else if ( 'custom' === link ) {
  94                                 linkUrl = props.linkUrl;
  95                         }
  96                         props.linkUrl = linkUrl || '';
  97
  98                         // Format properties for images.
  99                         if ( 'image' === attachment.type ) {
 100                                 props.classes.push( 'wp-image-' + attachment.id );
 101
 102                                 sizes = attachment.sizes;
 103                                 size = sizes && sizes[ props.size ] ? sizes[ props.size ] : attachment;
 104
 105                                 _.extend( props, _.pick( attachment, 'align', 'caption', 'alt' ), {
 106                                         width:     size.width,
 107                                         height:    size.height,
 108                                         src:       size.url,
 109                                         captionId: 'attachment_' + attachment.id
 110                                 });
 111                         } else if ( 'video' === attachment.type || 'audio' === attachment.type ) {
 112                                 _.extend( props, _.pick( attachment, 'title', 'type', 'icon', 'mime' ) );
 113                         // Format properties for non-images.
 114                         } else {
 115                                 props.title = props.title || attachment.filename;
 116                                 props.rel = props.rel || 'attachment wp-att-' + attachment.id;
 117                         }
 118
 119                         return fallbacks( props );
 120                 },
 121                 /**
 122                  * Create link markup that is suitable for passing to the editor
 123                  *
 124                  * @global wp.html.string
 125                  *
 126                  * @param {Object} props Attachment details (align, link, size, etc).
 127                  * @param {Object} attachment The attachment object, media version of Post.
 128                  * @returns {string} The link markup
 129                  */
 130                 link: function( props, attachment ) {
 131                         var options;
 132
 133                         props = wp.media.string.props( props, attachment );
 134
 135                         options = {
 136                                 tag:     'a',
 137                                 content: props.title,
 138                                 attrs:   {
 139                                         href: props.linkUrl
 140                                 }
 141                         };
 142
 143                         if ( props.rel ) {
 144                                 options.attrs.rel = props.rel;
 145                         }
 146
 147                         return wp.html.string( options );
 148                 },
 149                 /**
 150                  * Create an Audio shortcode string that is suitable for passing to the editor
 151                  *
 152                  * @param {Object} props Attachment details (align, link, size, etc).
 153                  * @param {Object} attachment The attachment object, media version of Post.
 154                  * @returns {string} The audio shortcode
 155                  */
 156                 audio: function( props, attachment ) {
 157                         return wp.media.string._audioVideo( 'audio', props, attachment );
 158                 },
 159                 /**
 160                  * Create a Video shortcode string that is suitable for passing to the editor
 161                  *
 162                  * @param {Object} props Attachment details (align, link, size, etc).
 163                  * @param {Object} attachment The attachment object, media version of Post.
 164                  * @returns {string} The video shortcode
 165                  */
 166                 video: function( props, attachment ) {
 167                         return wp.media.string._audioVideo( 'video', props, attachment );
 168                 },
 169                 /**
 170                  * Helper function to create a media shortcode string
 171                  *
 172                  * @access private
 173                  *
 174                  * @global wp.shortcode
 175                  * @global wp.media.view.settings
 176                  *
 177                  * @param {string} type The shortcode tag name: 'audio' or 'video'.
 178                  * @param {Object} props Attachment details (align, link, size, etc).
 179                  * @param {Object} attachment The attachment object, media version of Post.
 180                  * @returns {string} The media shortcode
 181                  */
 182                 _audioVideo: function( type, props, attachment ) {
 183                         var shortcode, html, extension;
 184
 185                         props = wp.media.string.props( props, attachment );
 186                         if ( props.link !== 'embed' )
 187                                 return wp.media.string.link( props );
 188
 189                         shortcode = {};
 190
 191                         if ( 'video' === type ) {
 192                                 if ( attachment.image && -1 === attachment.image.src.indexOf( attachment.icon ) ) {
 193                                         shortcode.poster = attachment.image.src;
 194                                 }
 195
 196                                 if ( attachment.width ) {
 197                                         shortcode.width = attachment.width;
 198                                 }
 199
 200                                 if ( attachment.height ) {
 201                                         shortcode.height = attachment.height;
 202                                 }
 203                         }
 204
 205                         extension = attachment.filename.split('.').pop();
 206
 207                         if ( _.contains( wp.media.view.settings.embedExts, extension ) ) {
 208                                 shortcode[extension] = attachment.url;
 209                         } else {
 210                                 // Render unsupported audio and video files as links.
 211                                 return wp.media.string.link( props );
 212                         }
 213
 214                         html = wp.shortcode.string({
 215                                 tag:     type,
 216                                 attrs:   shortcode
 217                         });
 218
 219                         return html;
 220                 },
 221                 /**
 222                  * Create image markup, optionally with a link and/or wrapped in a caption shortcode,
 223                  *  that is suitable for passing to the editor
 224                  *
 225                  * @global wp.html
 226                  * @global wp.shortcode
 227                  *
 228                  * @param {Object} props Attachment details (align, link, size, etc).
 229                  * @param {Object} attachment The attachment object, media version of Post.
 230                  * @returns {string}
 231                  */
 232                 image: function( props, attachment ) {
 233                         var img = {},
 234                                 options, classes, shortcode, html;
 235
 236                         props = wp.media.string.props( props, attachment );
 237                         classes = props.classes || [];
 238
 239                         img.src = ! _.isUndefined( attachment ) ? attachment.url : props.url;
 240                         _.extend( img, _.pick( props, 'width', 'height', 'alt' ) );
 241
 242                         // Only assign the align class to the image if we're not printing
 243                         // a caption, since the alignment is sent to the shortcode.
 244                         if ( props.align && ! props.caption ) {
 245                                 classes.push( 'align' + props.align );
 246                         }
 247
 248                         if ( props.size ) {
 249                                 classes.push( 'size-' + props.size );
 250                         }
 251
 252                         img['class'] = _.compact( classes ).join(' ');
 253
 254                         // Generate `img` tag options.
 255                         options = {
 256                                 tag:    'img',
 257                                 attrs:  img,
 258                                 single: true
 259                         };
 260
 261                         // Generate the `a` element options, if they exist.
 262                         if ( props.linkUrl ) {
 263                                 options = {
 264                                         tag:   'a',
 265                                         attrs: {
 266                                                 href: props.linkUrl
 267                                         },
 268                                         content: options
 269                                 };
 270                         }
 271
 272                         html = wp.html.string( options );
 273
 274                         // Generate the caption shortcode.
 275                         if ( props.caption ) {
 276                                 shortcode = {};
 277
 278                                 if ( img.width ) {
 279                                         shortcode.width = img.width;
 280                                 }
 281
 282                                 if ( props.captionId ) {
 283                                         shortcode.id = props.captionId;
 284                                 }
 285
 286                                 if ( props.align ) {
 287                                         shortcode.align = 'align' + props.align;
 288                                 }
 289
 290                                 html = wp.shortcode.string({
 291                                         tag:     'caption',
 292                                         attrs:   shortcode,
 293                                         content: html + ' ' + props.caption
 294                                 });
 295                         }
 296
 297                         return html;
 298                 }
 299         };
 300
 301         wp.media.embed = {
 302                 coerce : wp.media.coerce,
 303
 304                 defaults : {
 305                         url : '',
 306                         width: '',
 307                         height: ''
 308                 },
 309
 310                 edit : function( data, isURL ) {
 311                         var frame, props = {}, shortcode;
 312
 313                         if ( isURL ) {
 314                                 props.url = data.replace(/<[^>]+>/g, '');
 315                         } else {
 316                                 shortcode = wp.shortcode.next( 'embed', data ).shortcode;
 317
 318                                 props = _.defaults( shortcode.attrs.named, this.defaults );
 319                                 if ( shortcode.content ) {
 320                                         props.url = shortcode.content;
 321                                 }
 322                         }
 323
 324                         frame = wp.media({
 325                                 frame: 'post',
 326                                 state: 'embed',
 327                                 metadata: props
 328                         });
 329
 330                         return frame;
 331                 },
 332
 333                 shortcode : function( model ) {
 334                         var self = this, content;
 335
 336                         _.each( this.defaults, function( value, key ) {
 337                                 model[ key ] = self.coerce( model, key );
 338
 339                                 if ( value === model[ key ] ) {
 340                                         delete model[ key ];
 341                                 }
 342                         });
 343
 344                         content = model.url;
 345                         delete model.url;
 346
 347                         return new wp.shortcode({
 348                                 tag: 'embed',
 349                                 attrs: model,
 350                                 content: content
 351                         });
 352                 }
 353         };
 354
 355         wp.media.collection = function(attributes) {
 356                 var collections = {};
 357
 358                 return _.extend( {
 359                         coerce : wp.media.coerce,
 360                         /**
 361                          * Retrieve attachments based on the properties of the passed shortcode
 362                          *
 363                          * @global wp.media.query
 364                          *
 365                          * @param {wp.shortcode} shortcode An instance of wp.shortcode().
 366                          * @returns {wp.media.model.Attachments} A Backbone.Collection containing
 367                          *      the media items belonging to a collection.
 368                          *      The query[ this.tag ] property is a Backbone.Model
 369                          *          containing the 'props' for the collection.
 370                          */
 371                         attachments: function( shortcode ) {
 372                                 var shortcodeString = shortcode.string(),
 373                                         result = collections[ shortcodeString ],
 374                                         attrs, args, query, others, self = this;
 375
 376                                 delete collections[ shortcodeString ];
 377                                 if ( result ) {
 378                                         return result;
 379                                 }
 380                                 // Fill the default shortcode attributes.
 381                                 attrs = _.defaults( shortcode.attrs.named, this.defaults );
 382                                 args  = _.pick( attrs, 'orderby', 'order' );
 383
 384                                 args.type    = this.type;
 385                                 args.perPage = -1;
 386
 387                                 // Mark the `orderby` override attribute.
 388                                 if ( undefined !== attrs.orderby ) {
 389                                         attrs._orderByField = attrs.orderby;
 390                                 }
 391
 392                                 if ( 'rand' === attrs.orderby ) {
 393                                         attrs._orderbyRandom = true;
 394                                 }
 395
 396                                 // Map the `orderby` attribute to the corresponding model property.
 397                                 if ( ! attrs.orderby || /^menu_order(?: ID)?$/i.test( attrs.orderby ) ) {
 398                                         args.orderby = 'menuOrder';
 399                                 }
 400
 401                                 // Map the `ids` param to the correct query args.
 402                                 if ( attrs.ids ) {
 403                                         args.post__in = attrs.ids.split(',');
 404                                         args.orderby  = 'post__in';
 405                                 } else if ( attrs.include ) {
 406                                         args.post__in = attrs.include.split(',');
 407                                 }
 408
 409                                 if ( attrs.exclude ) {
 410                                         args.post__not_in = attrs.exclude.split(',');
 411                                 }
 412
 413                                 if ( ! args.post__in ) {
 414                                         args.uploadedTo = attrs.id;
 415                                 }
 416
 417                                 // Collect the attributes that were not included in `args`.
 418                                 others = _.omit( attrs, 'id', 'ids', 'include', 'exclude', 'orderby', 'order' );
 419
 420                                 _.each( this.defaults, function( value, key ) {
 421                                         others[ key ] = self.coerce( others, key );
 422                                 });
 423
 424                                 query = wp.media.query( args );
 425                                 query[ this.tag ] = new Backbone.Model( others );
 426                                 return query;
 427                         },
 428                         /**
 429                          * Triggered when clicking 'Insert {label}' or 'Update {label}'
 430                          *
 431                          * @global wp.shortcode
 432                          * @global wp.media.model.Attachments
 433                          *
 434                          * @param {wp.media.model.Attachments} attachments A Backbone.Collection containing
 435                          *      the media items belonging to a collection.
 436                          *      The query[ this.tag ] property is a Backbone.Model
 437                          *          containing the 'props' for the collection.
 438                          * @returns {wp.shortcode}
 439                          */
 440                         shortcode: function( attachments ) {
 441                                 var props = attachments.props.toJSON(),
 442                                         attrs = _.pick( props, 'orderby', 'order' ),
 443                                         shortcode, clone;
 444
 445                                 if ( attachments.type ) {
 446                                         attrs.type = attachments.type;
 447                                         delete attachments.type;
 448                                 }
 449
 450                                 if ( attachments[this.tag] ) {
 451                                         _.extend( attrs, attachments[this.tag].toJSON() );
 452                                 }
 453
 454                                 // Convert all gallery shortcodes to use the `ids` property.
 455                                 // Ignore `post__in` and `post__not_in`; the attachments in
 456                                 // the collection will already reflect those properties.
 457                                 attrs.ids = attachments.pluck('id');
 458
 459                                 // Copy the `uploadedTo` post ID.
 460                                 if ( props.uploadedTo ) {
 461                                         attrs.id = props.uploadedTo;
 462                                 }
 463                                 // Check if the gallery is randomly ordered.
 464                                 delete attrs.orderby;
 465
 466                                 if ( attrs._orderbyRandom ) {
 467                                         attrs.orderby = 'rand';
 468                                 } else if ( attrs._orderByField && attrs._orderByField != 'rand' ) {
 469                                         attrs.orderby = attrs._orderByField;
 470                                 }
 471
 472                                 delete attrs._orderbyRandom;
 473                                 delete attrs._orderByField;
 474
 475                                 // If the `ids` attribute is set and `orderby` attribute
 476                                 // is the default value, clear it for cleaner output.
 477                                 if ( attrs.ids && 'post__in' === attrs.orderby ) {
 478                                         delete attrs.orderby;
 479                                 }
 480
 481                                 attrs = this.setDefaults( attrs );
 482
 483                                 shortcode = new wp.shortcode({
 484                                         tag:    this.tag,
 485                                         attrs:  attrs,
 486                                         type:   'single'
 487                                 });
 488
 489                                 // Use a cloned version of the gallery.
 490                                 clone = new wp.media.model.Attachments( attachments.models, {
 491                                         props: props
 492                                 });
 493                                 clone[ this.tag ] = attachments[ this.tag ];
 494                                 collections[ shortcode.string() ] = clone;
 495
 496                                 return shortcode;
 497                         },
 498                         /**
 499                          * Triggered when double-clicking a collection shortcode placeholder
 500                          *   in the editor
 501                          *
 502                          * @global wp.shortcode
 503                          * @global wp.media.model.Selection
 504                          * @global wp.media.view.l10n
 505                          *
 506                          * @param {string} content Content that is searched for possible
 507                          *    shortcode markup matching the passed tag name,
 508                          *
 509                          * @this wp.media.{prop}
 510                          *
 511                          * @returns {wp.media.view.MediaFrame.Select} A media workflow.
 512                          */
 513                         edit: function( content ) {
 514                                 var shortcode = wp.shortcode.next( this.tag, content ),
 515                                         defaultPostId = this.defaults.id,
 516                                         attachments, selection, state;
 517
 518                                 // Bail if we didn't match the shortcode or all of the content.
 519                                 if ( ! shortcode || shortcode.content !== content ) {
 520                                         return;
 521                                 }
 522
 523                                 // Ignore the rest of the match object.
 524                                 shortcode = shortcode.shortcode;
 525
 526                                 if ( _.isUndefined( shortcode.get('id') ) && ! _.isUndefined( defaultPostId ) ) {
 527                                         shortcode.set( 'id', defaultPostId );
 528                                 }
 529
 530                                 attachments = this.attachments( shortcode );
 531
 532                                 selection = new wp.media.model.Selection( attachments.models, {
 533                                         props:    attachments.props.toJSON(),
 534                                         multiple: true
 535                                 });
 536
 537                                 selection[ this.tag ] = attachments[ this.tag ];
 538
 539                                 // Fetch the query's attachments, and then break ties from the
 540                                 // query to allow for sorting.
 541                                 selection.more().done( function() {
 542                                         // Break ties with the query.
 543                                         selection.props.set({ query: false });
 544                                         selection.unmirror();
 545                                         selection.props.unset('orderby');
 546                                 });
 547
 548                                 // Destroy the previous gallery frame.
 549                                 if ( this.frame ) {
 550                                         this.frame.dispose();
 551                                 }
 552
 553                                 if ( shortcode.attrs.named.type && 'video' === shortcode.attrs.named.type ) {
 554                                         state = 'video-' + this.tag + '-edit';
 555                                 } else {
 556                                         state = this.tag + '-edit';
 557                                 }
 558
 559                                 // Store the current frame.
 560                                 this.frame = wp.media({
 561                                         frame:     'post',
 562                                         state:     state,
 563                                         title:     this.editTitle,
 564                                         editing:   true,
 565                                         multiple:  true,
 566                                         selection: selection
 567                                 }).open();
 568
 569                                 return this.frame;
 570                         },
 571
 572                         setDefaults: function( attrs ) {
 573                                 var self = this;
 574                                 // Remove default attributes from the shortcode.
 575                                 _.each( this.defaults, function( value, key ) {
 576                                         attrs[ key ] = self.coerce( attrs, key );
 577                                         if ( value === attrs[ key ] ) {
 578                                                 delete attrs[ key ];
 579                                         }
 580                                 });
 581
 582                                 return attrs;
 583                         }
 584                 }, attributes );
 585         };
 586
 587         wp.media._galleryDefaults = {
 588                 itemtag: 'dl',
 589                 icontag: 'dt',
 590                 captiontag: 'dd',
 591                 columns: '3',
 592                 link: 'post',
 593                 size: 'thumbnail',
 594                 order: 'ASC',
 595                 id: wp.media.view.settings.post && wp.media.view.settings.post.id,
 596                 orderby : 'menu_order ID'
 597         };
 598
 599         if ( wp.media.view.settings.galleryDefaults ) {
 600                 wp.media.galleryDefaults = _.extend( {}, wp.media._galleryDefaults, wp.media.view.settings.galleryDefaults );
 601         } else {
 602                 wp.media.galleryDefaults = wp.media._galleryDefaults;
 603         }
 604
 605         wp.media.gallery = new wp.media.collection({
 606                 tag: 'gallery',
 607                 type : 'image',
 608                 editTitle : wp.media.view.l10n.editGalleryTitle,
 609                 defaults : wp.media.galleryDefaults,
 610
 611                 setDefaults: function( attrs ) {
 612                         var self = this, changed = ! _.isEqual( wp.media.galleryDefaults, wp.media._galleryDefaults );
 613                         _.each( this.defaults, function( value, key ) {
 614                                 attrs[ key ] = self.coerce( attrs, key );
 615                                 if ( value === attrs[ key ] && ( ! changed || value === wp.media._galleryDefaults[ key ] ) ) {
 616                                         delete attrs[ key ];
 617                                 }
 618                         } );
 619                         return attrs;
 620                 }
 621         });
 622
 623         /**
 624          * wp.media.featuredImage
 625          * @namespace
 626          */
 627         wp.media.featuredImage = {
 628                 /**
 629                  * Get the featured image post ID
 630                  *
 631                  * @global wp.media.view.settings
 632                  *
 633                  * @returns {wp.media.view.settings.post.featuredImageId|number}
 634                  */
 635                 get: function() {
 636                         return wp.media.view.settings.post.featuredImageId;
 637                 },
 638                 /**
 639                  * Set the featured image id, save the post thumbnail data and
 640                  * set the HTML in the post meta box to the new featured image.
 641                  *
 642                  * @global wp.media.view.settings
 643                  * @global wp.media.post
 644                  *
 645                  * @param {number} id The post ID of the featured image, or -1 to unset it.
 646                  */
 647                 set: function( id ) {
 648                         var settings = wp.media.view.settings;
 649
 650                         settings.post.featuredImageId = id;
 651
 652                         wp.media.post( 'set-post-thumbnail', {
 653                                 json:         true,
 654                                 post_id:      settings.post.id,
 655                                 thumbnail_id: settings.post.featuredImageId,
 656                                 _wpnonce:     settings.post.nonce
 657                         }).done( function( html ) {
 658                                 $( '.inside', '#postimagediv' ).html( html );
 659                         });
 660                 },
 661                 /**
 662                  * The Featured Image workflow
 663                  *
 664                  * @global wp.media.controller.FeaturedImage
 665                  * @global wp.media.view.l10n
 666                  *
 667                  * @this wp.media.featuredImage
 668                  *
 669                  * @returns {wp.media.view.MediaFrame.Select} A media workflow.
 670                  */
 671                 frame: function() {
 672                         if ( this._frame ) {
 673                                 return this._frame;
 674                         }
 675
 676                         this._frame = wp.media({
 677                                 state: 'featured-image',
 678                                 states: [ new wp.media.controller.FeaturedImage() , new wp.media.controller.EditImage() ]
 679                         });
 680
 681                         this._frame.on( 'toolbar:create:featured-image', function( toolbar ) {
 682                                 /**
 683                                  * @this wp.media.view.MediaFrame.Select
 684                                  */
 685                                 this.createSelectToolbar( toolbar, {
 686                                         text: wp.media.view.l10n.setFeaturedImage
 687                                 });
 688                         }, this._frame );
 689
 690                         this._frame.on( 'content:render:edit-image', function() {
 691                                 var selection = this.state('featured-image').get('selection'),
 692                                         view = new wp.media.view.EditImage( { model: selection.single(), controller: this } ).render();
 693
 694                                 this.content.set( view );
 695
 696                                 // after bringing in the frame, load the actual editor via an ajax call
 697                                 view.loadEditor();
 698
 699                         }, this._frame );
 700
 701                         this._frame.state('featured-image').on( 'select', this.select );
 702                         return this._frame;
 703                 },
 704                 /**
 705                  * 'select' callback for Featured Image workflow, triggered when
 706                  *  the 'Set Featured Image' button is clicked in the media modal.
 707                  *
 708                  * @global wp.media.view.settings
 709                  *
 710                  * @this wp.media.controller.FeaturedImage
 711                  */
 712                 select: function() {
 713                         var selection = this.get('selection').single();
 714
 715                         if ( ! wp.media.view.settings.post.featuredImageId ) {
 716                                 return;
 717                         }
 718
 719                         wp.media.featuredImage.set( selection ? selection.id : -1 );
 720                 },
 721                 /**
 722                  * Open the content media manager to the 'featured image' tab when
 723                  * the post thumbnail is clicked.
 724                  *
 725                  * Update the featured image id when the 'remove' link is clicked.
 726                  *
 727                  * @global wp.media.view.settings
 728                  */
 729                 init: function() {
 730                         $('#postimagediv').on( 'click', '#set-post-thumbnail', function( event ) {
 731                                 event.preventDefault();
 732                                 // Stop propagation to prevent thickbox from activating.
 733                                 event.stopPropagation();
 734
 735                                 wp.media.featuredImage.frame().open();
 736                         }).on( 'click', '#remove-post-thumbnail', function() {
 737                                 wp.media.view.settings.post.featuredImageId = -1;
 738                         });
 739                 }
 740         };
 741
 742         $( wp.media.featuredImage.init );
 743
 744         /**
 745          * wp.media.editor
 746          * @namespace
 747          */
 748         wp.media.editor = {
 749                 /**
 750                  * Send content to the editor
 751                  *
 752                  * @global tinymce
 753                  * @global QTags
 754                  * @global wpActiveEditor
 755                  * @global tb_remove() - Possibly overloaded by legacy plugins
 756                  *
 757                  * @param {string} html Content to send to the editor
 758                  */
 759                 insert: function( html ) {
 760                         var editor, wpActiveEditor,
 761                                 hasTinymce = ! _.isUndefined( window.tinymce ),
 762                                 hasQuicktags = ! _.isUndefined( window.QTags );
 763
 764                         if ( this.activeEditor ) {
 765                                 wpActiveEditor = window.wpActiveEditor = this.activeEditor;
 766                         } else {
 767                                 wpActiveEditor = window.wpActiveEditor;
 768                         }
 769
 770                         // Delegate to the global `send_to_editor` if it exists.
 771                         // This attempts to play nice with any themes/plugins that have
 772                         // overridden the insert functionality.
 773                         if ( window.send_to_editor ) {
 774                                 return window.send_to_editor.apply( this, arguments );
 775                         }
 776
 777                         if ( ! wpActiveEditor ) {
 778                                 if ( hasTinymce && tinymce.activeEditor ) {
 779                                         editor = tinymce.activeEditor;
 780                                         wpActiveEditor = window.wpActiveEditor = editor.id;
 781                                 } else if ( ! hasQuicktags ) {
 782                                         return false;
 783                                 }
 784                         } else if ( hasTinymce ) {
 785                                 editor = tinymce.get( wpActiveEditor );
 786                         }
 787
 788                         if ( editor && ! editor.isHidden() ) {
 789                                 editor.execCommand( 'mceInsertContent', false, html );
 790                         } else if ( hasQuicktags ) {
 791                                 QTags.insertContent( html );
 792                         } else {
 793                                 document.getElementById( wpActiveEditor ).value += html;
 794                         }
 795
 796                         // If the old thickbox remove function exists, call it in case
 797                         // a theme/plugin overloaded it.
 798                         if ( window.tb_remove ) {
 799                                 try { window.tb_remove(); } catch( e ) {}
 800                         }
 801                 },
 802
 803                 /**
 804                  * Setup 'workflow' and add to the 'workflows' cache. 'open' can
 805                  *  subsequently be called upon it.
 806                  *
 807                  * @global wp.media.view.l10n
 808                  *
 809                  * @param {string} id A slug used to identify the workflow.
 810                  * @param {Object} [options={}]
 811                  *
 812                  * @this wp.media.editor
 813                  *
 814                  * @returns {wp.media.view.MediaFrame.Select} A media workflow.
 815                  */
 816                 add: function( id, options ) {
 817                         var workflow = this.get( id );
 818
 819                         // only add once: if exists return existing
 820                         if ( workflow ) {
 821                                 return workflow;
 822                         }
 823
 824                         workflow = workflows[ id ] = wp.media( _.defaults( options || {}, {
 825                                 frame:    'post',
 826                                 state:    'insert',
 827                                 title:    wp.media.view.l10n.addMedia,
 828                                 multiple: true
 829                         } ) );
 830
 831                         workflow.on( 'insert', function( selection ) {
 832                                 var state = workflow.state();
 833
 834                                 selection = selection || state.get('selection');
 835
 836                                 if ( ! selection )
 837                                         return;
 838
 839                                 $.when.apply( $, selection.map( function( attachment ) {
 840                                         var display = state.display( attachment ).toJSON();
 841                                         /**
 842                                          * @this wp.media.editor
 843                                          */
 844                                         return this.send.attachment( display, attachment.toJSON() );
 845                                 }, this ) ).done( function() {
 846                                         wp.media.editor.insert( _.toArray( arguments ).join('\n\n') );
 847                                 });
 848                         }, this );
 849
 850                         workflow.state('gallery-edit').on( 'update', function( selection ) {
 851                                 /**
 852                                  * @this wp.media.editor
 853                                  */
 854                                 this.insert( wp.media.gallery.shortcode( selection ).string() );
 855                         }, this );
 856
 857                         workflow.state('playlist-edit').on( 'update', function( selection ) {
 858                                 /**
 859                                  * @this wp.media.editor
 860                                  */
 861                                 this.insert( wp.media.playlist.shortcode( selection ).string() );
 862                         }, this );
 863
 864                         workflow.state('video-playlist-edit').on( 'update', function( selection ) {
 865                                 /**
 866                                  * @this wp.media.editor
 867                                  */
 868                                 this.insert( wp.media.playlist.shortcode( selection ).string() );
 869                         }, this );
 870
 871                         workflow.state('embed').on( 'select', function() {
 872                                 /**
 873                                  * @this wp.media.editor
 874                                  */
 875                                 var state = workflow.state(),
 876                                         type = state.get('type'),
 877                                         embed = state.props.toJSON();
 878
 879                                 embed.url = embed.url || '';
 880
 881                                 if ( 'link' === type ) {
 882                                         _.defaults( embed, {
 883                                                 linkText: embed.url,
 884                                                 linkUrl: embed.url
 885                                         });
 886
 887                                         this.send.link( embed ).done( function( resp ) {
 888                                                 wp.media.editor.insert( resp );
 889                                         });
 890
 891                                 } else if ( 'image' === type ) {
 892                                         _.defaults( embed, {
 893                                                 title:   embed.url,
 894                                                 linkUrl: '',
 895                                                 align:   'none',
 896                                                 link:    'none'
 897                                         });
 898
 899                                         if ( 'none' === embed.link ) {
 900                                                 embed.linkUrl = '';
 901                                         } else if ( 'file' === embed.link ) {
 902                                                 embed.linkUrl = embed.url;
 903                                         }
 904
 905                                         this.insert( wp.media.string.image( embed ) );
 906                                 }
 907                         }, this );
 908
 909                         workflow.state('featured-image').on( 'select', wp.media.featuredImage.select );
 910                         workflow.setState( workflow.options.state );
 911                         return workflow;
 912                 },
 913                 /**
 914                  * Determines the proper current workflow id
 915                  *
 916                  * @global wpActiveEditor
 917                  * @global tinymce
 918                  *
 919                  * @param {string} [id=''] A slug used to identify the workflow.
 920                  *
 921                  * @returns {wpActiveEditor|string|tinymce.activeEditor.id}
 922                  */
 923                 id: function( id ) {
 924                         if ( id ) {
 925                                 return id;
 926                         }
 927
 928                         // If an empty `id` is provided, default to `wpActiveEditor`.
 929                         id = window.wpActiveEditor;
 930
 931                         // If that doesn't work, fall back to `tinymce.activeEditor.id`.
 932                         if ( ! id && ! _.isUndefined( window.tinymce ) && tinymce.activeEditor ) {
 933                                 id = tinymce.activeEditor.id;
 934                         }
 935
 936                         // Last but not least, fall back to the empty string.
 937                         id = id || '';
 938                         return id;
 939                 },
 940                 /**
 941                  * Return the workflow specified by id
 942                  *
 943                  * @param {string} id A slug used to identify the workflow.
 944                  *
 945                  * @this wp.media.editor
 946                  *
 947                  * @returns {wp.media.view.MediaFrame} A media workflow.
 948                  */
 949                 get: function( id ) {
 950                         id = this.id( id );
 951                         return workflows[ id ];
 952                 },
 953                 /**
 954                  * Remove the workflow represented by id from the workflow cache
 955                  *
 956                  * @param {string} id A slug used to identify the workflow.
 957                  *
 958                  * @this wp.media.editor
 959                  */
 960                 remove: function( id ) {
 961                         id = this.id( id );
 962                         delete workflows[ id ];
 963                 },
 964                 /**
 965                  * @namespace
 966                  */
 967                 send: {
 968                         /**
 969                          * Called when sending an attachment to the editor
 970                          *   from the medial modal.
 971                          *
 972                          * @global wp.media.view.settings
 973                          * @global wp.media.post
 974                          *
 975                          * @param {Object} props Attachment details (align, link, size, etc).
 976                          * @param {Object} attachment The attachment object, media version of Post.
 977                          * @returns {Promise}
 978                          */
 979                         attachment: function( props, attachment ) {
 980                                 var caption = attachment.caption,
 981                                         options, html;
 982
 983                                 // If captions are disabled, clear the caption.
 984                                 if ( ! wp.media.view.settings.captions ) {
 985                                         delete attachment.caption;
 986                                 }
 987
 988                                 props = wp.media.string.props( props, attachment );
 989
 990                                 options = {
 991                                         id:           attachment.id,
 992                                         post_content: attachment.description,
 993                                         post_excerpt: caption
 994                                 };
 995
 996                                 if ( props.linkUrl ) {
 997                                         options.url = props.linkUrl;
 998                                 }
 999
1000                                 if ( 'image' === attachment.type ) {
1001                                         html = wp.media.string.image( props );
1002
1003                                         _.each({
1004                                                 align: 'align',
1005                                                 size:  'image-size',
1006                                                 alt:   'image_alt'
1007                                         }, function( option, prop ) {
1008                                                 if ( props[ prop ] )
1009                                                         options[ option ] = props[ prop ];
1010                                         });
1011                                 } else if ( 'video' === attachment.type ) {
1012                                         html = wp.media.string.video( props, attachment );
1013                                 } else if ( 'audio' === attachment.type ) {
1014                                         html = wp.media.string.audio( props, attachment );
1015                                 } else {
1016                                         html = wp.media.string.link( props );
1017                                         options.post_title = props.title;
1018                                 }
1019
1020                                 return wp.media.post( 'send-attachment-to-editor', {
1021                                         nonce:      wp.media.view.settings.nonce.sendToEditor,
1022                                         attachment: options,
1023                                         html:       html,
1024                                         post_id:    wp.media.view.settings.post.id
1025                                 });
1026                         },
1027                         /**
1028                          * Called when 'Insert From URL' source is not an image. Example: YouTube url.
1029                          *
1030                          * @global wp.media.view.settings
1031                          *
1032                          * @param {Object} embed
1033                          * @returns {Promise}
1034                          */
1035                         link: function( embed ) {
1036                                 return wp.media.post( 'send-link-to-editor', {
1037                                         nonce:     wp.media.view.settings.nonce.sendToEditor,
1038                                         src:       embed.linkUrl,
1039                                         link_text: embed.linkText,
1040                                         html:      wp.media.string.link( embed ),
1041                                         post_id:   wp.media.view.settings.post.id
1042                                 });
1043                         }
1044                 },
1045                 /**
1046                  * Open a workflow
1047                  *
1048                  * @param {string} [id=undefined] Optional. A slug used to identify the workflow.
1049                  * @param {Object} [options={}]
1050                  *
1051                  * @this wp.media.editor
1052                  *
1053                  * @returns {wp.media.view.MediaFrame}
1054                  */
1055                 open: function( id, options ) {
1056                         var workflow;
1057
1058                         options = options || {};
1059
1060                         id = this.id( id );
1061                         this.activeEditor = id;
1062
1063                         workflow = this.get( id );
1064
1065                         // Redo workflow if state has changed
1066                         if ( ! workflow || ( workflow.options && options.state !== workflow.options.state ) ) {
1067                                 workflow = this.add( id, options );
1068                         }
1069
1070                         return workflow.open();
1071                 },
1072
1073                 /**
1074                  * Bind click event for .insert-media using event delegation
1075                  *
1076                  * @global wp.media.view.l10n
1077                  */
1078                 init: function() {
1079                         $(document.body)
1080                                 .on( 'click.add-media-button', '.insert-media', function( event ) {
1081                                         var elem = $( event.currentTarget ),
1082                                                 editor = elem.data('editor'),
1083                                                 options = {
1084                                                         frame:    'post',
1085                                                         state:    'insert',
1086                                                         title:    wp.media.view.l10n.addMedia,
1087                                                         multiple: true
1088                                                 };
1089
1090                                         event.preventDefault();
1091
1092                                         // Remove focus from the `.insert-media` button.
1093                                         // Prevents Opera from showing the outline of the button
1094                                         // above the modal.
1095                                         //
1096                                         // See: https://core.trac.wordpress.org/ticket/22445
1097                                         elem.blur();
1098
1099                                         if ( elem.hasClass( 'gallery' ) ) {
1100                                                 options.state = 'gallery';
1101                                                 options.title = wp.media.view.l10n.createGalleryTitle;
1102                                         }
1103
1104                                         wp.media.editor.open( editor, options );
1105                                 });
1106
1107                         // Initialize and render the Editor drag-and-drop uploader.
1108                         new wp.media.view.EditorUploader().render();
1109                 }
1110         };
1111
1112         _.bindAll( wp.media.editor, 'open' );
1113         $( wp.media.editor.init );
1114 }(jQuery, _));