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   1  /**
   2   * @output wp-includes/js/media-editor.js
   3   */
   4  
   5  /* global getUserSetting, tinymce, QTags */
   6  
   7  // WordPress, TinyMCE, and Media
   8  // -----------------------------
   9  (function($, _){
  10      /**
  11       * Stores the editors' `wp.media.controller.Frame` instances.
  12       *
  13       * @static
  14       */
  15      var workflows = {};
  16  
  17      /**
  18       * A helper mixin function to avoid truthy and falsey values being
  19       *   passed as an input that expects booleans. If key is undefined in the map,
  20       *   but has a default value, set it.
  21       *
  22       * @param {object} attrs Map of props from a shortcode or settings.
  23       * @param {string} key The key within the passed map to check for a value.
  24       * @returns {mixed|undefined} The original or coerced value of key within attrs
  25       */
  26      wp.media.coerce = function ( attrs, key ) {
  27          if ( _.isUndefined( attrs[ key ] ) && ! _.isUndefined( this.defaults[ key ] ) ) {
  28              attrs[ key ] = this.defaults[ key ];
  29          } else if ( 'true' === attrs[ key ] ) {
  30              attrs[ key ] = true;
  31          } else if ( 'false' === attrs[ key ] ) {
  32              attrs[ key ] = false;
  33          }
  34          return attrs[ key ];
  35      };
  36  
  37      /** @namespace wp.media.string */
  38      wp.media.string = {
  39          /**
  40           * Joins the `props` and `attachment` objects,
  41           * outputting the proper object format based on the
  42           * attachment's type.
  43           *
  44           * @param {Object} [props={}] Attachment details (align, link, size, etc).
  45           * @param {Object} attachment The attachment object, media version of Post.
  46           * @returns {Object} Joined props
  47           */
  48          props: function( props, attachment ) {
  49              var link, linkUrl, size, sizes,
  50                  defaultProps = wp.media.view.settings.defaultProps;
  51  
  52              props = props ? _.clone( props ) : {};
  53  
  54              if ( attachment && attachment.type ) {
  55                  props.type = attachment.type;
  56              }
  57  
  58              if ( 'image' === props.type ) {
  59                  props = _.defaults( props || {}, {
  60                      align:   defaultProps.align || getUserSetting( 'align', 'none' ),
  61                      size:    defaultProps.size  || getUserSetting( 'imgsize', 'medium' ),
  62                      url:     '',
  63                      classes: []
  64                  });
  65              }
  66  
  67              // All attachment-specific settings follow.
  68              if ( ! attachment ) {
  69                  return props;
  70              }
  71  
  72              props.title = props.title || attachment.title;
  73  
  74              link = props.link || defaultProps.link || getUserSetting( 'urlbutton', 'file' );
  75              if ( 'file' === link || 'embed' === link ) {
  76                  linkUrl = attachment.url;
  77              } else if ( 'post' === link ) {
  78                  linkUrl = attachment.link;
  79              } else if ( 'custom' === link ) {
  80                  linkUrl = props.linkUrl;
  81              }
  82              props.linkUrl = linkUrl || '';
  83  
  84              // Format properties for images.
  85              if ( 'image' === attachment.type ) {
  86                  props.classes.push( 'wp-image-' + attachment.id );
  87  
  88                  sizes = attachment.sizes;
  89                  size = sizes && sizes[ props.size ] ? sizes[ props.size ] : attachment;
  90  
  91                  _.extend( props, _.pick( attachment, 'align', 'caption', 'alt' ), {
  92                      width:     size.width,
  93                      height:    size.height,
  94                      src:       size.url,
  95                      captionId: 'attachment_' + attachment.id
  96                  });
  97              } else if ( 'video' === attachment.type || 'audio' === attachment.type ) {
  98                  _.extend( props, _.pick( attachment, 'title', 'type', 'icon', 'mime' ) );
  99              // Format properties for non-images.
 100              } else {
 101                  props.title = props.title || attachment.filename;
 102                  props.rel = props.rel || 'attachment wp-att-' + attachment.id;
 103              }
 104  
 105              return props;
 106          },
 107          /**
 108           * Create link markup that is suitable for passing to the editor
 109           *
 110           * @param {Object} props Attachment details (align, link, size, etc).
 111           * @param {Object} attachment The attachment object, media version of Post.
 112           * @returns {string} The link markup
 113           */
 114          link: function( props, attachment ) {
 115              var options;
 116  
 117              props = wp.media.string.props( props, attachment );
 118  
 119              options = {
 120                  tag:     'a',
 121                  content: props.title,
 122                  attrs:   {
 123                      href: props.linkUrl
 124                  }
 125              };
 126  
 127              if ( props.rel ) {
 128                  options.attrs.rel = props.rel;
 129              }
 130  
 131              return wp.html.string( options );
 132          },
 133          /**
 134           * Create an Audio shortcode string that is suitable for passing to the editor
 135           *
 136           * @param {Object} props Attachment details (align, link, size, etc).
 137           * @param {Object} attachment The attachment object, media version of Post.
 138           * @returns {string} The audio shortcode
 139           */
 140          audio: function( props, attachment ) {
 141              return wp.media.string._audioVideo( 'audio', props, attachment );
 142          },
 143          /**
 144           * Create a Video shortcode string that is suitable for passing to the editor
 145           *
 146           * @param {Object} props Attachment details (align, link, size, etc).
 147           * @param {Object} attachment The attachment object, media version of Post.
 148           * @returns {string} The video shortcode
 149           */
 150          video: function( props, attachment ) {
 151              return wp.media.string._audioVideo( 'video', props, attachment );
 152          },
 153          /**
 154           * Helper function to create a media shortcode string
 155           *
 156           * @access private
 157           *
 158           * @param {string} type The shortcode tag name: 'audio' or 'video'.
 159           * @param {Object} props Attachment details (align, link, size, etc).
 160           * @param {Object} attachment The attachment object, media version of Post.
 161           * @returns {string} The media shortcode
 162           */
 163          _audioVideo: function( type, props, attachment ) {
 164              var shortcode, html, extension;
 165  
 166              props = wp.media.string.props( props, attachment );
 167              if ( props.link !== 'embed' )
 168                  return wp.media.string.link( props );
 169  
 170              shortcode = {};
 171  
 172              if ( 'video' === type ) {
 173                  if ( attachment.image && -1 === attachment.image.src.indexOf( attachment.icon ) ) {
 174                      shortcode.poster = attachment.image.src;
 175                  }
 176  
 177                  if ( attachment.width ) {
 178                      shortcode.width = attachment.width;
 179                  }
 180  
 181                  if ( attachment.height ) {
 182                      shortcode.height = attachment.height;
 183                  }
 184              }
 185  
 186              extension = attachment.filename.split('.').pop();
 187  
 188              if ( _.contains( wp.media.view.settings.embedExts, extension ) ) {
 189                  shortcode[extension] = attachment.url;
 190              } else {
 191                  // Render unsupported audio and video files as links.
 192                  return wp.media.string.link( props );
 193              }
 194  
 195              html = wp.shortcode.string({
 196                  tag:     type,
 197                  attrs:   shortcode
 198              });
 199  
 200              return html;
 201          },
 202          /**
 203           * Create image markup, optionally with a link and/or wrapped in a caption shortcode,
 204           *  that is suitable for passing to the editor
 205           *
 206           * @param {Object} props Attachment details (align, link, size, etc).
 207           * @param {Object} attachment The attachment object, media version of Post.
 208           * @returns {string}
 209           */
 210          image: function( props, attachment ) {
 211              var img = {},
 212                  options, classes, shortcode, html;
 213  
 214              props.type = 'image';
 215              props = wp.media.string.props( props, attachment );
 216              classes = props.classes || [];
 217  
 218              img.src = ! _.isUndefined( attachment ) ? attachment.url : props.url;
 219              _.extend( img, _.pick( props, 'width', 'height', 'alt' ) );
 220  
 221              // Only assign the align class to the image if we're not printing
 222              // a caption, since the alignment is sent to the shortcode.
 223              if ( props.align && ! props.caption ) {
 224                  classes.push( 'align' + props.align );
 225              }
 226  
 227              if ( props.size ) {
 228                  classes.push( 'size-' + props.size );
 229              }
 230  
 231              img['class'] = _.compact( classes ).join(' ');
 232  
 233              // Generate `img` tag options.
 234              options = {
 235                  tag:    'img',
 236                  attrs:  img,
 237                  single: true
 238              };
 239  
 240              // Generate the `a` element options, if they exist.
 241              if ( props.linkUrl ) {
 242                  options = {
 243                      tag:   'a',
 244                      attrs: {
 245                          href: props.linkUrl
 246                      },
 247                      content: options
 248                  };
 249              }
 250  
 251              html = wp.html.string( options );
 252  
 253              // Generate the caption shortcode.
 254              if ( props.caption ) {
 255                  shortcode = {};
 256  
 257                  if ( img.width ) {
 258                      shortcode.width = img.width;
 259                  }
 260  
 261                  if ( props.captionId ) {
 262                      shortcode.id = props.captionId;
 263                  }
 264  
 265                  if ( props.align ) {
 266                      shortcode.align = 'align' + props.align;
 267                  }
 268  
 269                  html = wp.shortcode.string({
 270                      tag:     'caption',
 271                      attrs:   shortcode,
 272                      content: html + ' ' + props.caption
 273                  });
 274              }
 275  
 276              return html;
 277          }
 278      };
 279  
 280      wp.media.embed = {
 281          coerce : wp.media.coerce,
 282  
 283          defaults : {
 284              url : '',
 285              width: '',
 286              height: ''
 287          },
 288  
 289          edit : function( data, isURL ) {
 290              var frame, props = {}, shortcode;
 291  
 292              if ( isURL ) {
 293                  props.url = data.replace(/<[^>]+>/g, '');
 294              } else {
 295                  shortcode = wp.shortcode.next( 'embed', data ).shortcode;
 296  
 297                  props = _.defaults( shortcode.attrs.named, this.defaults );
 298                  if ( shortcode.content ) {
 299                      props.url = shortcode.content;
 300                  }
 301              }
 302  
 303              frame = wp.media({
 304                  frame: 'post',
 305                  state: 'embed',
 306                  metadata: props
 307              });
 308  
 309              return frame;
 310          },
 311  
 312          shortcode : function( model ) {
 313              var self = this, content;
 314  
 315              _.each( this.defaults, function( value, key ) {
 316                  model[ key ] = self.coerce( model, key );
 317  
 318                  if ( value === model[ key ] ) {
 319                      delete model[ key ];
 320                  }
 321              });
 322  
 323              content = model.url;
 324              delete model.url;
 325  
 326              return new wp.shortcode({
 327                  tag: 'embed',
 328                  attrs: model,
 329                  content: content
 330              });
 331          }
 332      };
 333  
 334      /**
 335       * @class wp.media.collection
 336       *
 337       * @param {Object} attributes
 338       */
 339      wp.media.collection = function(attributes) {
 340          var collections = {};
 341  
 342          return _.extend(/** @lends wp.media.collection.prototype */{
 343              coerce : wp.media.coerce,
 344              /**
 345               * Retrieve attachments based on the properties of the passed shortcode
 346               *
 347               * @param {wp.shortcode} shortcode An instance of wp.shortcode().
 348               * @returns {wp.media.model.Attachments} A Backbone.Collection containing
 349               *      the media items belonging to a collection.
 350               *      The query[ this.tag ] property is a Backbone.Model
 351               *          containing the 'props' for the collection.
 352               */
 353              attachments: function( shortcode ) {
 354                  var shortcodeString = shortcode.string(),
 355                      result = collections[ shortcodeString ],
 356                      attrs, args, query, others, self = this;
 357  
 358                  delete collections[ shortcodeString ];
 359                  if ( result ) {
 360                      return result;
 361                  }
 362                  // Fill the default shortcode attributes.
 363                  attrs = _.defaults( shortcode.attrs.named, this.defaults );
 364                  args  = _.pick( attrs, 'orderby', 'order' );
 365  
 366                  args.type    = this.type;
 367                  args.perPage = -1;
 368  
 369                  // Mark the `orderby` override attribute.
 370                  if ( undefined !== attrs.orderby ) {
 371                      attrs._orderByField = attrs.orderby;
 372                  }
 373  
 374                  if ( 'rand' === attrs.orderby ) {
 375                      attrs._orderbyRandom = true;
 376                  }
 377  
 378                  // Map the `orderby` attribute to the corresponding model property.
 379                  if ( ! attrs.orderby || /^menu_order(?: ID)?$/i.test( attrs.orderby ) ) {
 380                      args.orderby = 'menuOrder';
 381                  }
 382  
 383                  // Map the `ids` param to the correct query args.
 384                  if ( attrs.ids ) {
 385                      args.post__in = attrs.ids.split(',');
 386                      args.orderby  = 'post__in';
 387                  } else if ( attrs.include ) {
 388                      args.post__in = attrs.include.split(',');
 389                  }
 390  
 391                  if ( attrs.exclude ) {
 392                      args.post__not_in = attrs.exclude.split(',');
 393                  }
 394  
 395                  if ( ! args.post__in ) {
 396                      args.uploadedTo = attrs.id;
 397                  }
 398  
 399                  // Collect the attributes that were not included in `args`.
 400                  others = _.omit( attrs, 'id', 'ids', 'include', 'exclude', 'orderby', 'order' );
 401  
 402                  _.each( this.defaults, function( value, key ) {
 403                      others[ key ] = self.coerce( others, key );
 404                  });
 405  
 406                  query = wp.media.query( args );
 407                  query[ this.tag ] = new Backbone.Model( others );
 408                  return query;
 409              },
 410              /**
 411               * Triggered when clicking 'Insert {label}' or 'Update {label}'
 412               *
 413               * @param {wp.media.model.Attachments} attachments A Backbone.Collection containing
 414               *      the media items belonging to a collection.
 415               *      The query[ this.tag ] property is a Backbone.Model
 416               *          containing the 'props' for the collection.
 417               * @returns {wp.shortcode}
 418               */
 419              shortcode: function( attachments ) {
 420                  var props = attachments.props.toJSON(),
 421                      attrs = _.pick( props, 'orderby', 'order' ),
 422                      shortcode, clone;
 423  
 424                  if ( attachments.type ) {
 425                      attrs.type = attachments.type;
 426                      delete attachments.type;
 427                  }
 428  
 429                  if ( attachments[this.tag] ) {
 430                      _.extend( attrs, attachments[this.tag].toJSON() );
 431                  }
 432  
 433                  // Convert all gallery shortcodes to use the `ids` property.
 434                  // Ignore `post__in` and `post__not_in`; the attachments in
 435                  // the collection will already reflect those properties.
 436                  attrs.ids = attachments.pluck('id');
 437  
 438                  // Copy the `uploadedTo` post ID.
 439                  if ( props.uploadedTo ) {
 440                      attrs.id = props.uploadedTo;
 441                  }
 442                  // Check if the gallery is randomly ordered.
 443                  delete attrs.orderby;
 444  
 445                  if ( attrs._orderbyRandom ) {
 446                      attrs.orderby = 'rand';
 447                  } else if ( attrs._orderByField && attrs._orderByField != 'rand' ) {
 448                      attrs.orderby = attrs._orderByField;
 449                  }
 450  
 451                  delete attrs._orderbyRandom;
 452                  delete attrs._orderByField;
 453  
 454                  // If the `ids` attribute is set and `orderby` attribute
 455                  // is the default value, clear it for cleaner output.
 456                  if ( attrs.ids && 'post__in' === attrs.orderby ) {
 457                      delete attrs.orderby;
 458                  }
 459  
 460                  attrs = this.setDefaults( attrs );
 461  
 462                  shortcode = new wp.shortcode({
 463                      tag:    this.tag,
 464                      attrs:  attrs,
 465                      type:   'single'
 466                  });
 467  
 468                  // Use a cloned version of the gallery.
 469                  clone = new wp.media.model.Attachments( attachments.models, {
 470                      props: props
 471                  });
 472                  clone[ this.tag ] = attachments[ this.tag ];
 473                  collections[ shortcode.string() ] = clone;
 474  
 475                  return shortcode;
 476              },
 477              /**
 478               * Triggered when double-clicking a collection shortcode placeholder
 479               *   in the editor
 480               *
 481               * @param {string} content Content that is searched for possible
 482               *    shortcode markup matching the passed tag name,
 483               *
 484               * @this wp.media.{prop}
 485               *
 486               * @returns {wp.media.view.MediaFrame.Select} A media workflow.
 487               */
 488              edit: function( content ) {
 489                  var shortcode = wp.shortcode.next( this.tag, content ),
 490                      defaultPostId = this.defaults.id,
 491                      attachments, selection, state;
 492  
 493                  // Bail if we didn't match the shortcode or all of the content.
 494                  if ( ! shortcode || shortcode.content !== content ) {
 495                      return;
 496                  }
 497  
 498                  // Ignore the rest of the match object.
 499                  shortcode = shortcode.shortcode;
 500  
 501                  if ( _.isUndefined( shortcode.get('id') ) && ! _.isUndefined( defaultPostId ) ) {
 502                      shortcode.set( 'id', defaultPostId );
 503                  }
 504  
 505                  attachments = this.attachments( shortcode );
 506  
 507                  selection = new wp.media.model.Selection( attachments.models, {
 508                      props:    attachments.props.toJSON(),
 509                      multiple: true
 510                  });
 511  
 512                  selection[ this.tag ] = attachments[ this.tag ];
 513  
 514                  // Fetch the query's attachments, and then break ties from the
 515                  // query to allow for sorting.
 516                  selection.more().done( function() {
 517                      // Break ties with the query.
 518                      selection.props.set({ query: false });
 519                      selection.unmirror();
 520                      selection.props.unset('orderby');
 521                  });
 522  
 523                  // Destroy the previous gallery frame.
 524                  if ( this.frame ) {
 525                      this.frame.dispose();
 526                  }
 527  
 528                  if ( shortcode.attrs.named.type && 'video' === shortcode.attrs.named.type ) {
 529                      state = 'video-' + this.tag + '-edit';
 530                  } else {
 531                      state = this.tag + '-edit';
 532                  }
 533  
 534                  // Store the current frame.
 535                  this.frame = wp.media({
 536                      frame:     'post',
 537                      state:     state,
 538                      title:     this.editTitle,
 539                      editing:   true,
 540                      multiple:  true,
 541                      selection: selection
 542                  }).open();
 543  
 544                  return this.frame;
 545              },
 546  
 547              setDefaults: function( attrs ) {
 548                  var self = this;
 549                  // Remove default attributes from the shortcode.
 550                  _.each( this.defaults, function( value, key ) {
 551                      attrs[ key ] = self.coerce( attrs, key );
 552                      if ( value === attrs[ key ] ) {
 553                          delete attrs[ key ];
 554                      }
 555                  });
 556  
 557                  return attrs;
 558              }
 559          }, attributes );
 560      };
 561  
 562      wp.media._galleryDefaults = {
 563          itemtag: 'dl',
 564          icontag: 'dt',
 565          captiontag: 'dd',
 566          columns: '3',
 567          link: 'post',
 568          size: 'thumbnail',
 569          order: 'ASC',
 570          id: wp.media.view.settings.post && wp.media.view.settings.post.id,
 571          orderby : 'menu_order ID'
 572      };
 573  
 574      if ( wp.media.view.settings.galleryDefaults ) {
 575          wp.media.galleryDefaults = _.extend( {}, wp.media._galleryDefaults, wp.media.view.settings.galleryDefaults );
 576      } else {
 577          wp.media.galleryDefaults = wp.media._galleryDefaults;
 578      }
 579  
 580      wp.media.gallery = new wp.media.collection({
 581          tag: 'gallery',
 582          type : 'image',
 583          editTitle : wp.media.view.l10n.editGalleryTitle,
 584          defaults : wp.media.galleryDefaults,
 585  
 586          setDefaults: function( attrs ) {
 587              var self = this, changed = ! _.isEqual( wp.media.galleryDefaults, wp.media._galleryDefaults );
 588              _.each( this.defaults, function( value, key ) {
 589                  attrs[ key ] = self.coerce( attrs, key );
 590                  if ( value === attrs[ key ] && ( ! changed || value === wp.media._galleryDefaults[ key ] ) ) {
 591                      delete attrs[ key ];
 592                  }
 593              } );
 594              return attrs;
 595          }
 596      });
 597  
 598      /**
 599       * @namespace wp.media.featuredImage
 600       * @memberOf wp.media
 601       */
 602      wp.media.featuredImage = {
 603          /**
 604           * Get the featured image post ID
 605           *
 606           * @returns {wp.media.view.settings.post.featuredImageId|number}
 607           */
 608          get: function() {
 609              return wp.media.view.settings.post.featuredImageId;
 610          },
 611          /**
 612           * Sets the featured image ID property and sets the HTML in the post meta box to the new featured image.
 613           *
 614           * @param {number} id The post ID of the featured image, or -1 to unset it.
 615           */
 616          set: function( id ) {
 617              var settings = wp.media.view.settings;
 618  
 619              settings.post.featuredImageId = id;
 620  
 621              wp.media.post( 'get-post-thumbnail-html', {
 622                  post_id:      settings.post.id,
 623                  thumbnail_id: settings.post.featuredImageId,
 624                  _wpnonce:     settings.post.nonce
 625              }).done( function( html ) {
 626                  if ( html == '0' ) {
 627                      window.alert( window.setPostThumbnailL10n.error );
 628                      return;
 629                  }
 630                  $( '.inside', '#postimagediv' ).html( html );
 631              });
 632          },
 633          /**
 634           * Remove the featured image id, save the post thumbnail data and
 635           * set the HTML in the post meta box to no featured image.
 636           */
 637          remove: function() {
 638              wp.media.featuredImage.set( -1 );
 639          },
 640          /**
 641           * The Featured Image workflow
 642           *
 643           * @this wp.media.featuredImage
 644           *
 645           * @returns {wp.media.view.MediaFrame.Select} A media workflow.
 646           */
 647          frame: function() {
 648              if ( this._frame ) {
 649                  wp.media.frame = this._frame;
 650                  return this._frame;
 651              }
 652  
 653              this._frame = wp.media({
 654                  state: 'featured-image',
 655                  states: [ new wp.media.controller.FeaturedImage() , new wp.media.controller.EditImage() ]
 656              });
 657  
 658              this._frame.on( 'toolbar:create:featured-image', function( toolbar ) {
 659                  /**
 660                   * @this wp.media.view.MediaFrame.Select
 661                   */
 662                  this.createSelectToolbar( toolbar, {
 663                      text: wp.media.view.l10n.setFeaturedImage
 664                  });
 665              }, this._frame );
 666  
 667              this._frame.on( 'content:render:edit-image', function() {
 668                  var selection = this.state('featured-image').get('selection'),
 669                      view = new wp.media.view.EditImage( { model: selection.single(), controller: this } ).render();
 670  
 671                  this.content.set( view );
 672  
 673                  // after bringing in the frame, load the actual editor via an ajax call
 674                  view.loadEditor();
 675  
 676              }, this._frame );
 677  
 678              this._frame.state('featured-image').on( 'select', this.select );
 679              return this._frame;
 680          },
 681          /**
 682           * 'select' callback for Featured Image workflow, triggered when
 683           *  the 'Set Featured Image' button is clicked in the media modal.
 684           *
 685           * @this wp.media.controller.FeaturedImage
 686           */
 687          select: function() {
 688              var selection = this.get('selection').single();
 689  
 690              if ( ! wp.media.view.settings.post.featuredImageId ) {
 691                  return;
 692              }
 693  
 694              wp.media.featuredImage.set( selection ? selection.id : -1 );
 695          },
 696          /**
 697           * Open the content media manager to the 'featured image' tab when
 698           * the post thumbnail is clicked.
 699           *
 700           * Update the featured image id when the 'remove' link is clicked.
 701           */
 702          init: function() {
 703              $('#postimagediv').on( 'click', '#set-post-thumbnail', function( event ) {
 704                  event.preventDefault();
 705                  // Stop propagation to prevent thickbox from activating.
 706                  event.stopPropagation();
 707  
 708                  wp.media.featuredImage.frame().open();
 709              }).on( 'click', '#remove-post-thumbnail', function() {
 710                  wp.media.featuredImage.remove();
 711                  return false;
 712              });
 713          }
 714      };
 715  
 716      $( wp.media.featuredImage.init );
 717  
 718      /** @namespace wp.media.editor */
 719      wp.media.editor = {
 720          /**
 721           * Send content to the editor
 722           *
 723           * @param {string} html Content to send to the editor
 724           */
 725          insert: function( html ) {
 726              var editor, wpActiveEditor,
 727                  hasTinymce = ! _.isUndefined( window.tinymce ),
 728                  hasQuicktags = ! _.isUndefined( window.QTags );
 729  
 730              if ( this.activeEditor ) {
 731                  wpActiveEditor = window.wpActiveEditor = this.activeEditor;
 732              } else {
 733                  wpActiveEditor = window.wpActiveEditor;
 734              }
 735  
 736              // Delegate to the global `send_to_editor` if it exists.
 737              // This attempts to play nice with any themes/plugins that have
 738              // overridden the insert functionality.
 739              if ( window.send_to_editor ) {
 740                  return window.send_to_editor.apply( this, arguments );
 741              }
 742  
 743              if ( ! wpActiveEditor ) {
 744                  if ( hasTinymce && tinymce.activeEditor ) {
 745                      editor = tinymce.activeEditor;
 746                      wpActiveEditor = window.wpActiveEditor = editor.id;
 747                  } else if ( ! hasQuicktags ) {
 748                      return false;
 749                  }
 750              } else if ( hasTinymce ) {
 751                  editor = tinymce.get( wpActiveEditor );
 752              }
 753  
 754              if ( editor && ! editor.isHidden() ) {
 755                  editor.execCommand( 'mceInsertContent', false, html );
 756              } else if ( hasQuicktags ) {
 757                  QTags.insertContent( html );
 758              } else {
 759                  document.getElementById( wpActiveEditor ).value += html;
 760              }
 761  
 762              // If the old thickbox remove function exists, call it in case
 763              // a theme/plugin overloaded it.
 764              if ( window.tb_remove ) {
 765                  try { window.tb_remove(); } catch( e ) {}
 766              }
 767          },
 768  
 769          /**
 770           * Setup 'workflow' and add to the 'workflows' cache. 'open' can
 771           *  subsequently be called upon it.
 772           *
 773           * @param {string} id A slug used to identify the workflow.
 774           * @param {Object} [options={}]
 775           *
 776           * @this wp.media.editor
 777           *
 778           * @returns {wp.media.view.MediaFrame.Select} A media workflow.
 779           */
 780          add: function( id, options ) {
 781              var workflow = this.get( id );
 782  
 783              // only add once: if exists return existing
 784              if ( workflow ) {
 785                  return workflow;
 786              }
 787  
 788              workflow = workflows[ id ] = wp.media( _.defaults( options || {}, {
 789                  frame:    'post',
 790                  state:    'insert',
 791                  title:    wp.media.view.l10n.addMedia,
 792                  multiple: true
 793              } ) );
 794  
 795              workflow.on( 'insert', function( selection ) {
 796                  var state = workflow.state();
 797  
 798                  selection = selection || state.get('selection');
 799  
 800                  if ( ! selection )
 801                      return;
 802  
 803                  $.when.apply( $, selection.map( function( attachment ) {
 804                      var display = state.display( attachment ).toJSON();
 805                      /**
 806                       * @this wp.media.editor
 807                       */
 808                      return this.send.attachment( display, attachment.toJSON() );
 809                  }, this ) ).done( function() {
 810                      wp.media.editor.insert( _.toArray( arguments ).join('\n\n') );
 811                  });
 812              }, this );
 813  
 814              workflow.state('gallery-edit').on( 'update', function( selection ) {
 815                  /**
 816                   * @this wp.media.editor
 817                   */
 818                  this.insert( wp.media.gallery.shortcode( selection ).string() );
 819              }, this );
 820  
 821              workflow.state('playlist-edit').on( 'update', function( selection ) {
 822                  /**
 823                   * @this wp.media.editor
 824                   */
 825                  this.insert( wp.media.playlist.shortcode( selection ).string() );
 826              }, this );
 827  
 828              workflow.state('video-playlist-edit').on( 'update', function( selection ) {
 829                  /**
 830                   * @this wp.media.editor
 831                   */
 832                  this.insert( wp.media.playlist.shortcode( selection ).string() );
 833              }, this );
 834  
 835              workflow.state('embed').on( 'select', function() {
 836                  /**
 837                   * @this wp.media.editor
 838                   */
 839                  var state = workflow.state(),
 840                      type = state.get('type'),
 841                      embed = state.props.toJSON();
 842  
 843                  embed.url = embed.url || '';
 844  
 845                  if ( 'link' === type ) {
 846                      _.defaults( embed, {
 847                          linkText: embed.url,
 848                          linkUrl: embed.url
 849                      });
 850  
 851                      this.send.link( embed ).done( function( resp ) {
 852                          wp.media.editor.insert( resp );
 853                      });
 854  
 855                  } else if ( 'image' === type ) {
 856                      _.defaults( embed, {
 857                          title:   embed.url,
 858                          linkUrl: '',
 859                          align:   'none',
 860                          link:    'none'
 861                      });
 862  
 863                      if ( 'none' === embed.link ) {
 864                          embed.linkUrl = '';
 865                      } else if ( 'file' === embed.link ) {
 866                          embed.linkUrl = embed.url;
 867                      }
 868  
 869                      this.insert( wp.media.string.image( embed ) );
 870                  }
 871              }, this );
 872  
 873              workflow.state('featured-image').on( 'select', wp.media.featuredImage.select );
 874              workflow.setState( workflow.options.state );
 875              return workflow;
 876          },
 877          /**
 878           * Determines the proper current workflow id
 879           *
 880           * @param {string} [id=''] A slug used to identify the workflow.
 881           *
 882           * @returns {wpActiveEditor|string|tinymce.activeEditor.id}
 883           */
 884          id: function( id ) {
 885              if ( id ) {
 886                  return id;
 887              }
 888  
 889              // If an empty `id` is provided, default to `wpActiveEditor`.
 890              id = window.wpActiveEditor;
 891  
 892              // If that doesn't work, fall back to `tinymce.activeEditor.id`.
 893              if ( ! id && ! _.isUndefined( window.tinymce ) && tinymce.activeEditor ) {
 894                  id = tinymce.activeEditor.id;
 895              }
 896  
 897              // Last but not least, fall back to the empty string.
 898              id = id || '';
 899              return id;
 900          },
 901          /**
 902           * Return the workflow specified by id
 903           *
 904           * @param {string} id A slug used to identify the workflow.
 905           *
 906           * @this wp.media.editor
 907           *
 908           * @returns {wp.media.view.MediaFrame} A media workflow.
 909           */
 910          get: function( id ) {
 911              id = this.id( id );
 912              return workflows[ id ];
 913          },
 914          /**
 915           * Remove the workflow represented by id from the workflow cache
 916           *
 917           * @param {string} id A slug used to identify the workflow.
 918           *
 919           * @this wp.media.editor
 920           */
 921          remove: function( id ) {
 922              id = this.id( id );
 923              delete workflows[ id ];
 924          },
 925          /** @namespace wp.media.editor.send */
 926          send: {
 927              /**
 928               * Called when sending an attachment to the editor
 929               *   from the medial modal.
 930               *
 931               * @param {Object} props Attachment details (align, link, size, etc).
 932               * @param {Object} attachment The attachment object, media version of Post.
 933               * @returns {Promise}
 934               */
 935              attachment: function( props, attachment ) {
 936                  var caption = attachment.caption,
 937                      options, html;
 938  
 939                  // If captions are disabled, clear the caption.
 940                  if ( ! wp.media.view.settings.captions ) {
 941                      delete attachment.caption;
 942                  }
 943  
 944                  props = wp.media.string.props( props, attachment );
 945  
 946                  options = {
 947                      id:           attachment.id,
 948                      post_content: attachment.description,
 949                      post_excerpt: caption
 950                  };
 951  
 952                  if ( props.linkUrl ) {
 953                      options.url = props.linkUrl;
 954                  }
 955  
 956                  if ( 'image' === attachment.type ) {
 957                      html = wp.media.string.image( props );
 958  
 959                      _.each({
 960                          align: 'align',
 961                          size:  'image-size',
 962                          alt:   'image_alt'
 963                      }, function( option, prop ) {
 964                          if ( props[ prop ] )
 965                              options[ option ] = props[ prop ];
 966                      });
 967                  } else if ( 'video' === attachment.type ) {
 968                      html = wp.media.string.video( props, attachment );
 969                  } else if ( 'audio' === attachment.type ) {
 970                      html = wp.media.string.audio( props, attachment );
 971                  } else {
 972                      html = wp.media.string.link( props );
 973                      options.post_title = props.title;
 974                  }
 975  
 976                  return wp.media.post( 'send-attachment-to-editor', {
 977                      nonce:      wp.media.view.settings.nonce.sendToEditor,
 978                      attachment: options,
 979                      html:       html,
 980                      post_id:    wp.media.view.settings.post.id
 981                  });
 982              },
 983              /**
 984               * Called when 'Insert From URL' source is not an image. Example: YouTube url.
 985               *
 986               * @param {Object} embed
 987               * @returns {Promise}
 988               */
 989              link: function( embed ) {
 990                  return wp.media.post( 'send-link-to-editor', {
 991                      nonce:     wp.media.view.settings.nonce.sendToEditor,
 992                      src:       embed.linkUrl,
 993                      link_text: embed.linkText,
 994                      html:      wp.media.string.link( embed ),
 995                      post_id:   wp.media.view.settings.post.id
 996                  });
 997              }
 998          },
 999          /**
1000           * Open a workflow
1001           *
1002           * @param {string} [id=undefined] Optional. A slug used to identify the workflow.
1003           * @param {Object} [options={}]
1004           *
1005           * @this wp.media.editor
1006           *
1007           * @returns {wp.media.view.MediaFrame}
1008           */
1009          open: function( id, options ) {
1010              var workflow;
1011  
1012              options = options || {};
1013  
1014              id = this.id( id );
1015              this.activeEditor = id;
1016  
1017              workflow = this.get( id );
1018  
1019              // Redo workflow if state has changed
1020              if ( ! workflow || ( workflow.options && options.state !== workflow.options.state ) ) {
1021                  workflow = this.add( id, options );
1022              }
1023  
1024              wp.media.frame = workflow;
1025  
1026              return workflow.open();
1027          },
1028  
1029          /**
1030           * Bind click event for .insert-media using event delegation
1031           */
1032          init: function() {
1033              $(document.body)
1034                  .on( 'click.add-media-button', '.insert-media', function( event ) {
1035                      var elem = $( event.currentTarget ),
1036                          editor = elem.data('editor'),
1037                          options = {
1038                              frame:    'post',
1039                              state:    'insert',
1040                              title:    wp.media.view.l10n.addMedia,
1041                              multiple: true
1042                          };
1043  
1044                      event.preventDefault();
1045  
1046                      if ( elem.hasClass( 'gallery' ) ) {
1047                          options.state = 'gallery';
1048                          options.title = wp.media.view.l10n.createGalleryTitle;
1049                      }
1050  
1051                      wp.media.editor.open( editor, options );
1052                  });
1053  
1054              // Initialize and render the Editor drag-and-drop uploader.
1055              new wp.media.view.EditorUploader().render();
1056          }
1057      };
1058  
1059      _.bindAll( wp.media.editor, 'open' );
1060      $( wp.media.editor.init );
1061  }(jQuery, _));