aboutsummaryrefslogtreecommitdiff
path: root/srcs/wordpress/wp-includes/js/media-models.js
diff options
context:
space:
mode:
authorCharles <sircharlesaze@gmail.com>2020-01-07 13:06:14 +0100
committerCharles <sircharlesaze@gmail.com>2020-01-07 13:06:14 +0100
commit7086111ad4dd997e12a3220e1ee60c9b9bcf0bb8 (patch)
treef7453d7dd5cbaaab246e23810b02d3edf1e451be /srcs/wordpress/wp-includes/js/media-models.js
parentc59bdcf77c50cbe89b4a93782cdd6d9e7532080e (diff)
downloadft_server-7086111ad4dd997e12a3220e1ee60c9b9bcf0bb8.tar.gz
ft_server-7086111ad4dd997e12a3220e1ee60c9b9bcf0bb8.tar.bz2
ft_server-7086111ad4dd997e12a3220e1ee60c9b9bcf0bb8.zip
Added wordpress
Diffstat (limited to 'srcs/wordpress/wp-includes/js/media-models.js')
-rw-r--r--srcs/wordpress/wp-includes/js/media-models.js1666
1 files changed, 1666 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-includes/js/media-models.js b/srcs/wordpress/wp-includes/js/media-models.js
new file mode 100644
index 0000000..b085b70
--- /dev/null
+++ b/srcs/wordpress/wp-includes/js/media-models.js
@@ -0,0 +1,1666 @@
+/******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId]) {
+/******/ return installedModules[moduleId].exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ i: moduleId,
+/******/ l: false,
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ // Flag the module as loaded
+/******/ module.l = true;
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/******/
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+/******/
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+/******/
+/******/ // define getter function for harmony exports
+/******/ __webpack_require__.d = function(exports, name, getter) {
+/******/ if(!__webpack_require__.o(exports, name)) {
+/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ }
+/******/ };
+/******/
+/******/ // define __esModule on exports
+/******/ __webpack_require__.r = function(exports) {
+/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ }
+/******/ Object.defineProperty(exports, '__esModule', { value: true });
+/******/ };
+/******/
+/******/ // create a fake namespace object
+/******/ // mode & 1: value is a module id, require it
+/******/ // mode & 2: merge all properties of value into the ns
+/******/ // mode & 4: return value when already ns object
+/******/ // mode & 8|1: behave like require
+/******/ __webpack_require__.t = function(value, mode) {
+/******/ if(mode & 1) value = __webpack_require__(value);
+/******/ if(mode & 8) return value;
+/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ var ns = Object.create(null);
+/******/ __webpack_require__.r(ns);
+/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ return ns;
+/******/ };
+/******/
+/******/ // getDefaultExport function for compatibility with non-harmony modules
+/******/ __webpack_require__.n = function(module) {
+/******/ var getter = module && module.__esModule ?
+/******/ function getDefault() { return module['default']; } :
+/******/ function getModuleExports() { return module; };
+/******/ __webpack_require__.d(getter, 'a', getter);
+/******/ return getter;
+/******/ };
+/******/
+/******/ // Object.prototype.hasOwnProperty.call
+/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "";
+/******/
+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(__webpack_require__.s = 22);
+/******/ })
+/************************************************************************/
+/******/ ({
+
+/***/ 22:
+/***/ (function(module, exports, __webpack_require__) {
+
+module.exports = __webpack_require__(23);
+
+
+/***/ }),
+
+/***/ 23:
+/***/ (function(module, exports, __webpack_require__) {
+
+/**
+ * @output wp-includes/js/media-models.js
+ */
+
+var $ = jQuery,
+ Attachment, Attachments, l10n, media;
+
+/** @namespace wp */
+window.wp = window.wp || {};
+
+/**
+ * Create and return a media frame.
+ *
+ * Handles the default media experience.
+ *
+ * @alias wp.media
+ * @memberOf wp
+ * @namespace
+ *
+ * @param {object} attributes The properties passed to the main media controller.
+ * @return {wp.media.view.MediaFrame} A media workflow.
+ */
+media = wp.media = function( attributes ) {
+ var MediaFrame = media.view.MediaFrame,
+ frame;
+
+ if ( ! MediaFrame ) {
+ return;
+ }
+
+ attributes = _.defaults( attributes || {}, {
+ frame: 'select'
+ });
+
+ if ( 'select' === attributes.frame && MediaFrame.Select ) {
+ frame = new MediaFrame.Select( attributes );
+ } else if ( 'post' === attributes.frame && MediaFrame.Post ) {
+ frame = new MediaFrame.Post( attributes );
+ } else if ( 'manage' === attributes.frame && MediaFrame.Manage ) {
+ frame = new MediaFrame.Manage( attributes );
+ } else if ( 'image' === attributes.frame && MediaFrame.ImageDetails ) {
+ frame = new MediaFrame.ImageDetails( attributes );
+ } else if ( 'audio' === attributes.frame && MediaFrame.AudioDetails ) {
+ frame = new MediaFrame.AudioDetails( attributes );
+ } else if ( 'video' === attributes.frame && MediaFrame.VideoDetails ) {
+ frame = new MediaFrame.VideoDetails( attributes );
+ } else if ( 'edit-attachments' === attributes.frame && MediaFrame.EditAttachments ) {
+ frame = new MediaFrame.EditAttachments( attributes );
+ }
+
+ delete attributes.frame;
+
+ media.frame = frame;
+
+ return frame;
+};
+
+/** @namespace wp.media.model */
+/** @namespace wp.media.view */
+/** @namespace wp.media.controller */
+/** @namespace wp.media.frames */
+_.extend( media, { model: {}, view: {}, controller: {}, frames: {} });
+
+// Link any localized strings.
+l10n = media.model.l10n = window._wpMediaModelsL10n || {};
+
+// Link any settings.
+media.model.settings = l10n.settings || {};
+delete l10n.settings;
+
+Attachment = media.model.Attachment = __webpack_require__( 24 );
+Attachments = media.model.Attachments = __webpack_require__( 25 );
+
+media.model.Query = __webpack_require__( 26 );
+media.model.PostImage = __webpack_require__( 27 );
+media.model.Selection = __webpack_require__( 28 );
+
+/**
+ * ========================================================================
+ * UTILITIES
+ * ========================================================================
+ */
+
+/**
+ * A basic equality comparator for Backbone models.
+ *
+ * Used to order models within a collection - @see wp.media.model.Attachments.comparator().
+ *
+ * @param {mixed} a The primary parameter to compare.
+ * @param {mixed} b The primary parameter to compare.
+ * @param {string} ac The fallback parameter to compare, a's cid.
+ * @param {string} bc The fallback parameter to compare, b's cid.
+ * @return {number} -1: a should come before b.
+ * 0: a and b are of the same rank.
+ * 1: b should come before a.
+ */
+media.compare = function( a, b, ac, bc ) {
+ if ( _.isEqual( a, b ) ) {
+ return ac === bc ? 0 : (ac > bc ? -1 : 1);
+ } else {
+ return a > b ? -1 : 1;
+ }
+};
+
+_.extend( media, /** @lends wp.media */{
+ /**
+ * media.template( id )
+ *
+ * Fetch a JavaScript template for an id, and return a templating function for it.
+ *
+ * See wp.template() in `wp-includes/js/wp-util.js`.
+ *
+ * @borrows wp.template as template
+ */
+ template: wp.template,
+
+ /**
+ * media.post( [action], [data] )
+ *
+ * Sends a POST request to WordPress.
+ * See wp.ajax.post() in `wp-includes/js/wp-util.js`.
+ *
+ * @borrows wp.ajax.post as post
+ */
+ post: wp.ajax.post,
+
+ /**
+ * media.ajax( [action], [options] )
+ *
+ * Sends an XHR request to WordPress.
+ * See wp.ajax.send() in `wp-includes/js/wp-util.js`.
+ *
+ * @borrows wp.ajax.send as ajax
+ */
+ ajax: wp.ajax.send,
+
+ /**
+ * Scales a set of dimensions to fit within bounding dimensions.
+ *
+ * @param {Object} dimensions
+ * @returns {Object}
+ */
+ fit: function( dimensions ) {
+ var width = dimensions.width,
+ height = dimensions.height,
+ maxWidth = dimensions.maxWidth,
+ maxHeight = dimensions.maxHeight,
+ constraint;
+
+ // Compare ratios between the two values to determine which
+ // max to constrain by. If a max value doesn't exist, then the
+ // opposite side is the constraint.
+ if ( ! _.isUndefined( maxWidth ) && ! _.isUndefined( maxHeight ) ) {
+ constraint = ( width / height > maxWidth / maxHeight ) ? 'width' : 'height';
+ } else if ( _.isUndefined( maxHeight ) ) {
+ constraint = 'width';
+ } else if ( _.isUndefined( maxWidth ) && height > maxHeight ) {
+ constraint = 'height';
+ }
+
+ // If the value of the constrained side is larger than the max,
+ // then scale the values. Otherwise return the originals; they fit.
+ if ( 'width' === constraint && width > maxWidth ) {
+ return {
+ width : maxWidth,
+ height: Math.round( maxWidth * height / width )
+ };
+ } else if ( 'height' === constraint && height > maxHeight ) {
+ return {
+ width : Math.round( maxHeight * width / height ),
+ height: maxHeight
+ };
+ } else {
+ return {
+ width : width,
+ height: height
+ };
+ }
+ },
+ /**
+ * Truncates a string by injecting an ellipsis into the middle.
+ * Useful for filenames.
+ *
+ * @param {String} string
+ * @param {Number} [length=30]
+ * @param {String} [replacement=&hellip;]
+ * @returns {String} The string, unless length is greater than string.length.
+ */
+ truncate: function( string, length, replacement ) {
+ length = length || 30;
+ replacement = replacement || '&hellip;';
+
+ if ( string.length <= length ) {
+ return string;
+ }
+
+ return string.substr( 0, length / 2 ) + replacement + string.substr( -1 * length / 2 );
+ }
+});
+
+/**
+ * ========================================================================
+ * MODELS
+ * ========================================================================
+ */
+/**
+ * wp.media.attachment
+ *
+ * @static
+ * @param {String} id A string used to identify a model.
+ * @returns {wp.media.model.Attachment}
+ */
+media.attachment = function( id ) {
+ return Attachment.get( id );
+};
+
+/**
+ * A collection of all attachments that have been fetched from the server.
+ *
+ * @static
+ * @member {wp.media.model.Attachments}
+ */
+Attachments.all = new Attachments();
+
+/**
+ * wp.media.query
+ *
+ * Shorthand for creating a new Attachments Query.
+ *
+ * @param {object} [props]
+ * @returns {wp.media.model.Attachments}
+ */
+media.query = function( props ) {
+ return new Attachments( null, {
+ props: _.extend( _.defaults( props || {}, { orderby: 'date' } ), { query: true } )
+ });
+};
+
+// Clean up. Prevents mobile browsers caching
+$(window).on('unload', function(){
+ window.wp = null;
+});
+
+
+/***/ }),
+
+/***/ 24:
+/***/ (function(module, exports) {
+
+var $ = Backbone.$,
+ Attachment;
+
+/**
+ * wp.media.model.Attachment
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ */
+Attachment = Backbone.Model.extend(/** @lends wp.media.model.Attachment.prototype */{
+ /**
+ * Triggered when attachment details change
+ * Overrides Backbone.Model.sync
+ *
+ * @param {string} method
+ * @param {wp.media.model.Attachment} model
+ * @param {Object} [options={}]
+ *
+ * @returns {Promise}
+ */
+ sync: function( method, model, options ) {
+ // If the attachment does not yet have an `id`, return an instantly
+ // rejected promise. Otherwise, all of our requests will fail.
+ if ( _.isUndefined( this.id ) ) {
+ return $.Deferred().rejectWith( this ).promise();
+ }
+
+ // Overload the `read` request so Attachment.fetch() functions correctly.
+ if ( 'read' === method ) {
+ options = options || {};
+ options.context = this;
+ options.data = _.extend( options.data || {}, {
+ action: 'get-attachment',
+ id: this.id
+ });
+ return wp.media.ajax( options );
+
+ // Overload the `update` request so properties can be saved.
+ } else if ( 'update' === method ) {
+ // If we do not have the necessary nonce, fail immeditately.
+ if ( ! this.get('nonces') || ! this.get('nonces').update ) {
+ return $.Deferred().rejectWith( this ).promise();
+ }
+
+ options = options || {};
+ options.context = this;
+
+ // Set the action and ID.
+ options.data = _.extend( options.data || {}, {
+ action: 'save-attachment',
+ id: this.id,
+ nonce: this.get('nonces').update,
+ post_id: wp.media.model.settings.post.id
+ });
+
+ // Record the values of the changed attributes.
+ if ( model.hasChanged() ) {
+ options.data.changes = {};
+
+ _.each( model.changed, function( value, key ) {
+ options.data.changes[ key ] = this.get( key );
+ }, this );
+ }
+
+ return wp.media.ajax( options );
+
+ // Overload the `delete` request so attachments can be removed.
+ // This will permanently delete an attachment.
+ } else if ( 'delete' === method ) {
+ options = options || {};
+
+ if ( ! options.wait ) {
+ this.destroyed = true;
+ }
+
+ options.context = this;
+ options.data = _.extend( options.data || {}, {
+ action: 'delete-post',
+ id: this.id,
+ _wpnonce: this.get('nonces')['delete']
+ });
+
+ return wp.media.ajax( options ).done( function() {
+ this.destroyed = true;
+ }).fail( function() {
+ this.destroyed = false;
+ });
+
+ // Otherwise, fall back to `Backbone.sync()`.
+ } else {
+ /**
+ * Call `sync` directly on Backbone.Model
+ */
+ return Backbone.Model.prototype.sync.apply( this, arguments );
+ }
+ },
+ /**
+ * Convert date strings into Date objects.
+ *
+ * @param {Object} resp The raw response object, typically returned by fetch()
+ * @returns {Object} The modified response object, which is the attributes hash
+ * to be set on the model.
+ */
+ parse: function( resp ) {
+ if ( ! resp ) {
+ return resp;
+ }
+
+ resp.date = new Date( resp.date );
+ resp.modified = new Date( resp.modified );
+ return resp;
+ },
+ /**
+ * @param {Object} data The properties to be saved.
+ * @param {Object} options Sync options. e.g. patch, wait, success, error.
+ *
+ * @this Backbone.Model
+ *
+ * @returns {Promise}
+ */
+ saveCompat: function( data, options ) {
+ var model = this;
+
+ // If we do not have the necessary nonce, fail immeditately.
+ if ( ! this.get('nonces') || ! this.get('nonces').update ) {
+ return $.Deferred().rejectWith( this ).promise();
+ }
+
+ return wp.media.post( 'save-attachment-compat', _.defaults({
+ id: this.id,
+ nonce: this.get('nonces').update,
+ post_id: wp.media.model.settings.post.id
+ }, data ) ).done( function( resp, status, xhr ) {
+ model.set( model.parse( resp, xhr ), options );
+ });
+ }
+},/** @lends wp.media.model.Attachment */{
+ /**
+ * Create a new model on the static 'all' attachments collection and return it.
+ *
+ * @static
+ *
+ * @param {Object} attrs
+ * @returns {wp.media.model.Attachment}
+ */
+ create: function( attrs ) {
+ var Attachments = wp.media.model.Attachments;
+ return Attachments.all.push( attrs );
+ },
+ /**
+ * Create a new model on the static 'all' attachments collection and return it.
+ *
+ * If this function has already been called for the id,
+ * it returns the specified attachment.
+ *
+ * @static
+ * @param {string} id A string used to identify a model.
+ * @param {Backbone.Model|undefined} attachment
+ * @returns {wp.media.model.Attachment}
+ */
+ get: _.memoize( function( id, attachment ) {
+ var Attachments = wp.media.model.Attachments;
+ return Attachments.all.push( attachment || { id: id } );
+ })
+});
+
+module.exports = Attachment;
+
+
+/***/ }),
+
+/***/ 25:
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.model.Attachments
+ *
+ * A collection of attachments.
+ *
+ * This collection has no persistence with the server without supplying
+ * 'options.props.query = true', which will mirror the collection
+ * to an Attachments Query collection - @see wp.media.model.Attachments.mirror().
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Collection
+ *
+ * @param {array} [models] Models to initialize with the collection.
+ * @param {object} [options] Options hash for the collection.
+ * @param {string} [options.props] Options hash for the initial query properties.
+ * @param {string} [options.props.order] Initial order (ASC or DESC) for the collection.
+ * @param {string} [options.props.orderby] Initial attribute key to order the collection by.
+ * @param {string} [options.props.query] Whether the collection is linked to an attachments query.
+ * @param {string} [options.observe]
+ * @param {string} [options.filters]
+ *
+ */
+var Attachments = Backbone.Collection.extend(/** @lends wp.media.model.Attachments.prototype */{
+ /**
+ * @type {wp.media.model.Attachment}
+ */
+ model: wp.media.model.Attachment,
+ /**
+ * @param {Array} [models=[]] Array of models used to populate the collection.
+ * @param {Object} [options={}]
+ */
+ initialize: function( models, options ) {
+ options = options || {};
+
+ this.props = new Backbone.Model();
+ this.filters = options.filters || {};
+
+ // Bind default `change` events to the `props` model.
+ this.props.on( 'change', this._changeFilteredProps, this );
+
+ this.props.on( 'change:order', this._changeOrder, this );
+ this.props.on( 'change:orderby', this._changeOrderby, this );
+ this.props.on( 'change:query', this._changeQuery, this );
+
+ this.props.set( _.defaults( options.props || {} ) );
+
+ if ( options.observe ) {
+ this.observe( options.observe );
+ }
+ },
+ /**
+ * Sort the collection when the order attribute changes.
+ *
+ * @access private
+ */
+ _changeOrder: function() {
+ if ( this.comparator ) {
+ this.sort();
+ }
+ },
+ /**
+ * Set the default comparator only when the `orderby` property is set.
+ *
+ * @access private
+ *
+ * @param {Backbone.Model} model
+ * @param {string} orderby
+ */
+ _changeOrderby: function( model, orderby ) {
+ // If a different comparator is defined, bail.
+ if ( this.comparator && this.comparator !== Attachments.comparator ) {
+ return;
+ }
+
+ if ( orderby && 'post__in' !== orderby ) {
+ this.comparator = Attachments.comparator;
+ } else {
+ delete this.comparator;
+ }
+ },
+ /**
+ * If the `query` property is set to true, query the server using
+ * the `props` values, and sync the results to this collection.
+ *
+ * @access private
+ *
+ * @param {Backbone.Model} model
+ * @param {Boolean} query
+ */
+ _changeQuery: function( model, query ) {
+ if ( query ) {
+ this.props.on( 'change', this._requery, this );
+ this._requery();
+ } else {
+ this.props.off( 'change', this._requery, this );
+ }
+ },
+ /**
+ * @access private
+ *
+ * @param {Backbone.Model} model
+ */
+ _changeFilteredProps: function( model ) {
+ // If this is a query, updating the collection will be handled by
+ // `this._requery()`.
+ if ( this.props.get('query') ) {
+ return;
+ }
+
+ var changed = _.chain( model.changed ).map( function( t, prop ) {
+ var filter = Attachments.filters[ prop ],
+ term = model.get( prop );
+
+ if ( ! filter ) {
+ return;
+ }
+
+ if ( term && ! this.filters[ prop ] ) {
+ this.filters[ prop ] = filter;
+ } else if ( ! term && this.filters[ prop ] === filter ) {
+ delete this.filters[ prop ];
+ } else {
+ return;
+ }
+
+ // Record the change.
+ return true;
+ }, this ).any().value();
+
+ if ( ! changed ) {
+ return;
+ }
+
+ // If no `Attachments` model is provided to source the searches
+ // from, then automatically generate a source from the existing
+ // models.
+ if ( ! this._source ) {
+ this._source = new Attachments( this.models );
+ }
+
+ this.reset( this._source.filter( this.validator, this ) );
+ },
+
+ validateDestroyed: false,
+ /**
+ * Checks whether an attachment is valid.
+ *
+ * @param {wp.media.model.Attachment} attachment
+ * @returns {Boolean}
+ */
+ validator: function( attachment ) {
+
+ // Filter out contextually created attachments (e.g. headers, logos, etc.).
+ if (
+ ! _.isUndefined( attachment.attributes.context ) &&
+ '' !== attachment.attributes.context
+ ) {
+ return false;
+ }
+
+ if ( ! this.validateDestroyed && attachment.destroyed ) {
+ return false;
+ }
+ return _.all( this.filters, function( filter ) {
+ return !! filter.call( this, attachment );
+ }, this );
+ },
+ /**
+ * Add or remove an attachment to the collection depending on its validity.
+ *
+ * @param {wp.media.model.Attachment} attachment
+ * @param {Object} options
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+ */
+ validate: function( attachment, options ) {
+ var valid = this.validator( attachment ),
+ hasAttachment = !! this.get( attachment.cid );
+
+ if ( ! valid && hasAttachment ) {
+ this.remove( attachment, options );
+ } else if ( valid && ! hasAttachment ) {
+ this.add( attachment, options );
+ }
+
+ return this;
+ },
+
+ /**
+ * Add or remove all attachments from another collection depending on each one's validity.
+ *
+ * @param {wp.media.model.Attachments} attachments
+ * @param {object} [options={}]
+ *
+ * @fires wp.media.model.Attachments#reset
+ *
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+ */
+ validateAll: function( attachments, options ) {
+ options = options || {};
+
+ _.each( attachments.models, function( attachment ) {
+ this.validate( attachment, { silent: true });
+ }, this );
+
+ if ( ! options.silent ) {
+ this.trigger( 'reset', this, options );
+ }
+ return this;
+ },
+ /**
+ * Start observing another attachments collection change events
+ * and replicate them on this collection.
+ *
+ * @param {wp.media.model.Attachments} The attachments collection to observe.
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining.
+ */
+ observe: function( attachments ) {
+ this.observers = this.observers || [];
+ this.observers.push( attachments );
+
+ attachments.on( 'add change remove', this._validateHandler, this );
+ attachments.on( 'reset', this._validateAllHandler, this );
+ this.validateAll( attachments );
+ return this;
+ },
+ /**
+ * Stop replicating collection change events from another attachments collection.
+ *
+ * @param {wp.media.model.Attachments} The attachments collection to stop observing.
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+ */
+ unobserve: function( attachments ) {
+ if ( attachments ) {
+ attachments.off( null, null, this );
+ this.observers = _.without( this.observers, attachments );
+
+ } else {
+ _.each( this.observers, function( attachments ) {
+ attachments.off( null, null, this );
+ }, this );
+ delete this.observers;
+ }
+
+ return this;
+ },
+ /**
+ * @access private
+ *
+ * @param {wp.media.model.Attachments} attachment
+ * @param {wp.media.model.Attachments} attachments
+ * @param {Object} options
+ *
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+ */
+ _validateHandler: function( attachment, attachments, options ) {
+ // If we're not mirroring this `attachments` collection,
+ // only retain the `silent` option.
+ options = attachments === this.mirroring ? options : {
+ silent: options && options.silent
+ };
+
+ return this.validate( attachment, options );
+ },
+ /**
+ * @access private
+ *
+ * @param {wp.media.model.Attachments} attachments
+ * @param {Object} options
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+ */
+ _validateAllHandler: function( attachments, options ) {
+ return this.validateAll( attachments, options );
+ },
+ /**
+ * Start mirroring another attachments collection, clearing out any models already
+ * in the collection.
+ *
+ * @param {wp.media.model.Attachments} The attachments collection to mirror.
+ * @returns {wp.media.model.Attachments} Returns itself to allow chaining
+ */
+ mirror: function( attachments ) {
+ if ( this.mirroring && this.mirroring === attachments ) {
+ return this;
+ }
+
+ this.unmirror();
+ this.mirroring = attachments;
+
+ // Clear the collection silently. A `reset` event will be fired
+ // when `observe()` calls `validateAll()`.
+ this.reset( [], { silent: true } );
+ this.observe( attachments );
+
+ // Used for the search results.
+ this.trigger( 'attachments:received', this );
+ return this;
+ },
+ /**
+ * Stop mirroring another attachments collection.
+ */
+ unmirror: function() {
+ if ( ! this.mirroring ) {
+ return;
+ }
+
+ this.unobserve( this.mirroring );
+ delete this.mirroring;
+ },
+ /**
+ * Retrieve more attachments from the server for the collection.
+ *
+ * Only works if the collection is mirroring a Query Attachments collection,
+ * and forwards to its `more` method. This collection class doesn't have
+ * server persistence by itself.
+ *
+ * @param {object} options
+ * @returns {Promise}
+ */
+ more: function( options ) {
+ var deferred = jQuery.Deferred(),
+ mirroring = this.mirroring,
+ attachments = this;
+
+ if ( ! mirroring || ! mirroring.more ) {
+ return deferred.resolveWith( this ).promise();
+ }
+ // If we're mirroring another collection, forward `more` to
+ // the mirrored collection. Account for a race condition by
+ // checking if we're still mirroring that collection when
+ // the request resolves.
+ mirroring.more( options ).done( function() {
+ if ( this === attachments.mirroring ) {
+ deferred.resolveWith( this );
+ }
+
+ // Used for the search results.
+ attachments.trigger( 'attachments:received', this );
+ });
+
+ return deferred.promise();
+ },
+ /**
+ * Whether there are more attachments that haven't been sync'd from the server
+ * that match the collection's query.
+ *
+ * Only works if the collection is mirroring a Query Attachments collection,
+ * and forwards to its `hasMore` method. This collection class doesn't have
+ * server persistence by itself.
+ *
+ * @returns {boolean}
+ */
+ hasMore: function() {
+ return this.mirroring ? this.mirroring.hasMore() : false;
+ },
+ /**
+ * A custom AJAX-response parser.
+ *
+ * See trac ticket #24753
+ *
+ * @param {Object|Array} resp The raw response Object/Array.
+ * @param {Object} xhr
+ * @returns {Array} The array of model attributes to be added to the collection
+ */
+ parse: function( resp, xhr ) {
+ if ( ! _.isArray( resp ) ) {
+ resp = [resp];
+ }
+
+ return _.map( resp, function( attrs ) {
+ var id, attachment, newAttributes;
+
+ if ( attrs instanceof Backbone.Model ) {
+ id = attrs.get( 'id' );
+ attrs = attrs.attributes;
+ } else {
+ id = attrs.id;
+ }
+
+ attachment = wp.media.model.Attachment.get( id );
+ newAttributes = attachment.parse( attrs, xhr );
+
+ if ( ! _.isEqual( attachment.attributes, newAttributes ) ) {
+ attachment.set( newAttributes );
+ }
+
+ return attachment;
+ });
+ },
+ /**
+ * If the collection is a query, create and mirror an Attachments Query collection.
+ *
+ * @access private
+ */
+ _requery: function( refresh ) {
+ var props;
+ if ( this.props.get('query') ) {
+ props = this.props.toJSON();
+ props.cache = ( true !== refresh );
+ this.mirror( wp.media.model.Query.get( props ) );
+ }
+ },
+ /**
+ * If this collection is sorted by `menuOrder`, recalculates and saves
+ * the menu order to the database.
+ *
+ * @returns {undefined|Promise}
+ */
+ saveMenuOrder: function() {
+ if ( 'menuOrder' !== this.props.get('orderby') ) {
+ return;
+ }
+
+ // Removes any uploading attachments, updates each attachment's
+ // menu order, and returns an object with an { id: menuOrder }
+ // mapping to pass to the request.
+ var attachments = this.chain().filter( function( attachment ) {
+ return ! _.isUndefined( attachment.id );
+ }).map( function( attachment, index ) {
+ // Indices start at 1.
+ index = index + 1;
+ attachment.set( 'menuOrder', index );
+ return [ attachment.id, index ];
+ }).object().value();
+
+ if ( _.isEmpty( attachments ) ) {
+ return;
+ }
+
+ return wp.media.post( 'save-attachment-order', {
+ nonce: wp.media.model.settings.post.nonce,
+ post_id: wp.media.model.settings.post.id,
+ attachments: attachments
+ });
+ }
+},/** @lends wp.media.model.Attachments */{
+ /**
+ * A function to compare two attachment models in an attachments collection.
+ *
+ * Used as the default comparator for instances of wp.media.model.Attachments
+ * and its subclasses. @see wp.media.model.Attachments._changeOrderby().
+ *
+ * @param {Backbone.Model} a
+ * @param {Backbone.Model} b
+ * @param {Object} options
+ * @returns {Number} -1 if the first model should come before the second,
+ * 0 if they are of the same rank and
+ * 1 if the first model should come after.
+ */
+ comparator: function( a, b, options ) {
+ var key = this.props.get('orderby'),
+ order = this.props.get('order') || 'DESC',
+ ac = a.cid,
+ bc = b.cid;
+
+ a = a.get( key );
+ b = b.get( key );
+
+ if ( 'date' === key || 'modified' === key ) {
+ a = a || new Date();
+ b = b || new Date();
+ }
+
+ // If `options.ties` is set, don't enforce the `cid` tiebreaker.
+ if ( options && options.ties ) {
+ ac = bc = null;
+ }
+
+ return ( 'DESC' === order ) ? wp.media.compare( a, b, ac, bc ) : wp.media.compare( b, a, bc, ac );
+ },
+ /** @namespace wp.media.model.Attachments.filters */
+ filters: {
+ /**
+ * @static
+ * Note that this client-side searching is *not* equivalent
+ * to our server-side searching.
+ *
+ * @param {wp.media.model.Attachment} attachment
+ *
+ * @this wp.media.model.Attachments
+ *
+ * @returns {Boolean}
+ */
+ search: function( attachment ) {
+ if ( ! this.props.get('search') ) {
+ return true;
+ }
+
+ return _.any(['title','filename','description','caption','name'], function( key ) {
+ var value = attachment.get( key );
+ return value && -1 !== value.search( this.props.get('search') );
+ }, this );
+ },
+ /**
+ * @static
+ * @param {wp.media.model.Attachment} attachment
+ *
+ * @this wp.media.model.Attachments
+ *
+ * @returns {Boolean}
+ */
+ type: function( attachment ) {
+ var type = this.props.get('type'), atts = attachment.toJSON(), mime, found;
+
+ if ( ! type || ( _.isArray( type ) && ! type.length ) ) {
+ return true;
+ }
+
+ mime = atts.mime || ( atts.file && atts.file.type ) || '';
+
+ if ( _.isArray( type ) ) {
+ found = _.find( type, function (t) {
+ return -1 !== mime.indexOf( t );
+ } );
+ } else {
+ found = -1 !== mime.indexOf( type );
+ }
+
+ return found;
+ },
+ /**
+ * @static
+ * @param {wp.media.model.Attachment} attachment
+ *
+ * @this wp.media.model.Attachments
+ *
+ * @returns {Boolean}
+ */
+ uploadedTo: function( attachment ) {
+ var uploadedTo = this.props.get('uploadedTo');
+ if ( _.isUndefined( uploadedTo ) ) {
+ return true;
+ }
+
+ return uploadedTo === attachment.get('uploadedTo');
+ },
+ /**
+ * @static
+ * @param {wp.media.model.Attachment} attachment
+ *
+ * @this wp.media.model.Attachments
+ *
+ * @returns {Boolean}
+ */
+ status: function( attachment ) {
+ var status = this.props.get('status');
+ if ( _.isUndefined( status ) ) {
+ return true;
+ }
+
+ return status === attachment.get('status');
+ }
+ }
+});
+
+module.exports = Attachments;
+
+
+/***/ }),
+
+/***/ 26:
+/***/ (function(module, exports) {
+
+var Attachments = wp.media.model.Attachments,
+ Query;
+
+/**
+ * wp.media.model.Query
+ *
+ * A collection of attachments that match the supplied query arguments.
+ *
+ * Note: Do NOT change this.args after the query has been initialized.
+ * Things will break.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments wp.media.model.Attachments
+ * @augments Backbone.Collection
+ *
+ * @param {array} [models] Models to initialize with the collection.
+ * @param {object} [options] Options hash.
+ * @param {object} [options.args] Attachments query arguments.
+ * @param {object} [options.args.posts_per_page]
+ */
+Query = Attachments.extend(/** @lends wp.media.model.Query.prototype */{
+ /**
+ * @param {array} [models=[]] Array of initial models to populate the collection.
+ * @param {object} [options={}]
+ */
+ initialize: function( models, options ) {
+ var allowed;
+
+ options = options || {};
+ Attachments.prototype.initialize.apply( this, arguments );
+
+ this.args = options.args;
+ this._hasMore = true;
+ this.created = new Date();
+
+ this.filters.order = function( attachment ) {
+ var orderby = this.props.get('orderby'),
+ order = this.props.get('order');
+
+ if ( ! this.comparator ) {
+ return true;
+ }
+
+ // We want any items that can be placed before the last
+ // item in the set. If we add any items after the last
+ // item, then we can't guarantee the set is complete.
+ if ( this.length ) {
+ return 1 !== this.comparator( attachment, this.last(), { ties: true });
+
+ // Handle the case where there are no items yet and
+ // we're sorting for recent items. In that case, we want
+ // changes that occurred after we created the query.
+ } else if ( 'DESC' === order && ( 'date' === orderby || 'modified' === orderby ) ) {
+ return attachment.get( orderby ) >= this.created;
+
+ // If we're sorting by menu order and we have no items,
+ // accept any items that have the default menu order (0).
+ } else if ( 'ASC' === order && 'menuOrder' === orderby ) {
+ return attachment.get( orderby ) === 0;
+ }
+
+ // Otherwise, we don't want any items yet.
+ return false;
+ };
+
+ // Observe the central `wp.Uploader.queue` collection to watch for
+ // new matches for the query.
+ //
+ // Only observe when a limited number of query args are set. There
+ // are no filters for other properties, so observing will result in
+ // false positives in those queries.
+ allowed = [ 's', 'order', 'orderby', 'posts_per_page', 'post_mime_type', 'post_parent', 'author' ];
+ if ( wp.Uploader && _( this.args ).chain().keys().difference( allowed ).isEmpty().value() ) {
+ this.observe( wp.Uploader.queue );
+ }
+ },
+ /**
+ * Whether there are more attachments that haven't been sync'd from the server
+ * that match the collection's query.
+ *
+ * @returns {boolean}
+ */
+ hasMore: function() {
+ return this._hasMore;
+ },
+ /**
+ * Fetch more attachments from the server for the collection.
+ *
+ * @param {object} [options={}]
+ * @returns {Promise}
+ */
+ more: function( options ) {
+ var query = this;
+
+ // If there is already a request pending, return early with the Deferred object.
+ if ( this._more && 'pending' === this._more.state() ) {
+ return this._more;
+ }
+
+ if ( ! this.hasMore() ) {
+ return jQuery.Deferred().resolveWith( this ).promise();
+ }
+
+ options = options || {};
+ options.remove = false;
+
+ return this._more = this.fetch( options ).done( function( resp ) {
+ if ( _.isEmpty( resp ) || -1 === this.args.posts_per_page || resp.length < this.args.posts_per_page ) {
+ query._hasMore = false;
+ }
+ });
+ },
+ /**
+ * Overrides Backbone.Collection.sync
+ * Overrides wp.media.model.Attachments.sync
+ *
+ * @param {String} method
+ * @param {Backbone.Model} model
+ * @param {Object} [options={}]
+ * @returns {Promise}
+ */
+ sync: function( method, model, options ) {
+ var args, fallback;
+
+ // Overload the read method so Attachment.fetch() functions correctly.
+ if ( 'read' === method ) {
+ options = options || {};
+ options.context = this;
+ options.data = _.extend( options.data || {}, {
+ action: 'query-attachments',
+ post_id: wp.media.model.settings.post.id
+ });
+
+ // Clone the args so manipulation is non-destructive.
+ args = _.clone( this.args );
+
+ // Determine which page to query.
+ if ( -1 !== args.posts_per_page ) {
+ args.paged = Math.round( this.length / args.posts_per_page ) + 1;
+ }
+
+ options.data.query = args;
+ return wp.media.ajax( options );
+
+ // Otherwise, fall back to Backbone.sync()
+ } else {
+ /**
+ * Call wp.media.model.Attachments.sync or Backbone.sync
+ */
+ fallback = Attachments.prototype.sync ? Attachments.prototype : Backbone;
+ return fallback.sync.apply( this, arguments );
+ }
+ }
+}, /** @lends wp.media.model.Query */{
+ /**
+ * @readonly
+ */
+ defaultProps: {
+ orderby: 'date',
+ order: 'DESC'
+ },
+ /**
+ * @readonly
+ */
+ defaultArgs: {
+ posts_per_page: 40
+ },
+ /**
+ * @readonly
+ */
+ orderby: {
+ allowed: [ 'name', 'author', 'date', 'title', 'modified', 'uploadedTo', 'id', 'post__in', 'menuOrder' ],
+ /**
+ * A map of JavaScript orderby values to their WP_Query equivalents.
+ * @type {Object}
+ */
+ valuemap: {
+ 'id': 'ID',
+ 'uploadedTo': 'parent',
+ 'menuOrder': 'menu_order ID'
+ }
+ },
+ /**
+ * A map of JavaScript query properties to their WP_Query equivalents.
+ *
+ * @readonly
+ */
+ propmap: {
+ 'search': 's',
+ 'type': 'post_mime_type',
+ 'perPage': 'posts_per_page',
+ 'menuOrder': 'menu_order',
+ 'uploadedTo': 'post_parent',
+ 'status': 'post_status',
+ 'include': 'post__in',
+ 'exclude': 'post__not_in',
+ 'author': 'author'
+ },
+ /**
+ * Creates and returns an Attachments Query collection given the properties.
+ *
+ * Caches query objects and reuses where possible.
+ *
+ * @static
+ * @method
+ *
+ * @param {object} [props]
+ * @param {Object} [props.cache=true] Whether to use the query cache or not.
+ * @param {Object} [props.order]
+ * @param {Object} [props.orderby]
+ * @param {Object} [props.include]
+ * @param {Object} [props.exclude]
+ * @param {Object} [props.s]
+ * @param {Object} [props.post_mime_type]
+ * @param {Object} [props.posts_per_page]
+ * @param {Object} [props.menu_order]
+ * @param {Object} [props.post_parent]
+ * @param {Object} [props.post_status]
+ * @param {Object} [props.author]
+ * @param {Object} [options]
+ *
+ * @returns {wp.media.model.Query} A new Attachments Query collection.
+ */
+ get: (function(){
+ /**
+ * @static
+ * @type Array
+ */
+ var queries = [];
+
+ /**
+ * @returns {Query}
+ */
+ return function( props, options ) {
+ var args = {},
+ orderby = Query.orderby,
+ defaults = Query.defaultProps,
+ query,
+ cache = !! props.cache || _.isUndefined( props.cache );
+
+ // Remove the `query` property. This isn't linked to a query,
+ // this *is* the query.
+ delete props.query;
+ delete props.cache;
+
+ // Fill default args.
+ _.defaults( props, defaults );
+
+ // Normalize the order.
+ props.order = props.order.toUpperCase();
+ if ( 'DESC' !== props.order && 'ASC' !== props.order ) {
+ props.order = defaults.order.toUpperCase();
+ }
+
+ // Ensure we have a valid orderby value.
+ if ( ! _.contains( orderby.allowed, props.orderby ) ) {
+ props.orderby = defaults.orderby;
+ }
+
+ _.each( [ 'include', 'exclude' ], function( prop ) {
+ if ( props[ prop ] && ! _.isArray( props[ prop ] ) ) {
+ props[ prop ] = [ props[ prop ] ];
+ }
+ } );
+
+ // Generate the query `args` object.
+ // Correct any differing property names.
+ _.each( props, function( value, prop ) {
+ if ( _.isNull( value ) ) {
+ return;
+ }
+
+ args[ Query.propmap[ prop ] || prop ] = value;
+ });
+
+ // Fill any other default query args.
+ _.defaults( args, Query.defaultArgs );
+
+ // `props.orderby` does not always map directly to `args.orderby`.
+ // Substitute exceptions specified in orderby.keymap.
+ args.orderby = orderby.valuemap[ props.orderby ] || props.orderby;
+
+ // Search the query cache for a matching query.
+ if ( cache ) {
+ query = _.find( queries, function( query ) {
+ return _.isEqual( query.args, args );
+ });
+ } else {
+ queries = [];
+ }
+
+ // Otherwise, create a new query and add it to the cache.
+ if ( ! query ) {
+ query = new Query( [], _.extend( options || {}, {
+ props: props,
+ args: args
+ } ) );
+ queries.push( query );
+ }
+
+ return query;
+ };
+ }())
+});
+
+module.exports = Query;
+
+
+/***/ }),
+
+/***/ 27:
+/***/ (function(module, exports) {
+
+/**
+ * wp.media.model.PostImage
+ *
+ * An instance of an image that's been embedded into a post.
+ *
+ * Used in the embedded image attachment display settings modal - @see wp.media.view.MediaFrame.ImageDetails.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments Backbone.Model
+ *
+ * @param {int} [attributes] Initial model attributes.
+ * @param {int} [attributes.attachment_id] ID of the attachment.
+ **/
+var PostImage = Backbone.Model.extend(/** @lends wp.media.model.PostImage.prototype */{
+
+ initialize: function( attributes ) {
+ var Attachment = wp.media.model.Attachment;
+ this.attachment = false;
+
+ if ( attributes.attachment_id ) {
+ this.attachment = Attachment.get( attributes.attachment_id );
+ if ( this.attachment.get( 'url' ) ) {
+ this.dfd = jQuery.Deferred();
+ this.dfd.resolve();
+ } else {
+ this.dfd = this.attachment.fetch();
+ }
+ this.bindAttachmentListeners();
+ }
+
+ // keep url in sync with changes to the type of link
+ this.on( 'change:link', this.updateLinkUrl, this );
+ this.on( 'change:size', this.updateSize, this );
+
+ this.setLinkTypeFromUrl();
+ this.setAspectRatio();
+
+ this.set( 'originalUrl', attributes.url );
+ },
+
+ bindAttachmentListeners: function() {
+ this.listenTo( this.attachment, 'sync', this.setLinkTypeFromUrl );
+ this.listenTo( this.attachment, 'sync', this.setAspectRatio );
+ this.listenTo( this.attachment, 'change', this.updateSize );
+ },
+
+ changeAttachment: function( attachment, props ) {
+ this.stopListening( this.attachment );
+ this.attachment = attachment;
+ this.bindAttachmentListeners();
+
+ this.set( 'attachment_id', this.attachment.get( 'id' ) );
+ this.set( 'caption', this.attachment.get( 'caption' ) );
+ this.set( 'alt', this.attachment.get( 'alt' ) );
+ this.set( 'size', props.get( 'size' ) );
+ this.set( 'align', props.get( 'align' ) );
+ this.set( 'link', props.get( 'link' ) );
+ this.updateLinkUrl();
+ this.updateSize();
+ },
+
+ setLinkTypeFromUrl: function() {
+ var linkUrl = this.get( 'linkUrl' ),
+ type;
+
+ if ( ! linkUrl ) {
+ this.set( 'link', 'none' );
+ return;
+ }
+
+ // default to custom if there is a linkUrl
+ type = 'custom';
+
+ if ( this.attachment ) {
+ if ( this.attachment.get( 'url' ) === linkUrl ) {
+ type = 'file';
+ } else if ( this.attachment.get( 'link' ) === linkUrl ) {
+ type = 'post';
+ }
+ } else {
+ if ( this.get( 'url' ) === linkUrl ) {
+ type = 'file';
+ }
+ }
+
+ this.set( 'link', type );
+ },
+
+ updateLinkUrl: function() {
+ var link = this.get( 'link' ),
+ url;
+
+ switch( link ) {
+ case 'file':
+ if ( this.attachment ) {
+ url = this.attachment.get( 'url' );
+ } else {
+ url = this.get( 'url' );
+ }
+ this.set( 'linkUrl', url );
+ break;
+ case 'post':
+ this.set( 'linkUrl', this.attachment.get( 'link' ) );
+ break;
+ case 'none':
+ this.set( 'linkUrl', '' );
+ break;
+ }
+ },
+
+ updateSize: function() {
+ var size;
+
+ if ( ! this.attachment ) {
+ return;
+ }
+
+ if ( this.get( 'size' ) === 'custom' ) {
+ this.set( 'width', this.get( 'customWidth' ) );
+ this.set( 'height', this.get( 'customHeight' ) );
+ this.set( 'url', this.get( 'originalUrl' ) );
+ return;
+ }
+
+ size = this.attachment.get( 'sizes' )[ this.get( 'size' ) ];
+
+ if ( ! size ) {
+ return;
+ }
+
+ this.set( 'url', size.url );
+ this.set( 'width', size.width );
+ this.set( 'height', size.height );
+ },
+
+ setAspectRatio: function() {
+ var full;
+
+ if ( this.attachment && this.attachment.get( 'sizes' ) ) {
+ full = this.attachment.get( 'sizes' ).full;
+
+ if ( full ) {
+ this.set( 'aspectRatio', full.width / full.height );
+ return;
+ }
+ }
+
+ this.set( 'aspectRatio', this.get( 'customWidth' ) / this.get( 'customHeight' ) );
+ }
+});
+
+module.exports = PostImage;
+
+
+/***/ }),
+
+/***/ 28:
+/***/ (function(module, exports) {
+
+var Attachments = wp.media.model.Attachments,
+ Selection;
+
+/**
+ * wp.media.model.Selection
+ *
+ * A selection of attachments.
+ *
+ * @memberOf wp.media.model
+ *
+ * @class
+ * @augments wp.media.model.Attachments
+ * @augments Backbone.Collection
+ */
+Selection = Attachments.extend(/** @lends wp.media.model.Selection.prototype */{
+ /**
+ * Refresh the `single` model whenever the selection changes.
+ * Binds `single` instead of using the context argument to ensure
+ * it receives no parameters.
+ *
+ * @param {Array} [models=[]] Array of models used to populate the collection.
+ * @param {Object} [options={}]
+ */
+ initialize: function( models, options ) {
+ /**
+ * call 'initialize' directly on the parent class
+ */
+ Attachments.prototype.initialize.apply( this, arguments );
+ this.multiple = options && options.multiple;
+
+ this.on( 'add remove reset', _.bind( this.single, this, false ) );
+ },
+
+ /**
+ * If the workflow does not support multi-select, clear out the selection
+ * before adding a new attachment to it.
+ *
+ * @param {Array} models
+ * @param {Object} options
+ * @returns {wp.media.model.Attachment[]}
+ */
+ add: function( models, options ) {
+ if ( ! this.multiple ) {
+ this.remove( this.models );
+ }
+ /**
+ * call 'add' directly on the parent class
+ */
+ return Attachments.prototype.add.call( this, models, options );
+ },
+
+ /**
+ * Fired when toggling (clicking on) an attachment in the modal.
+ *
+ * @param {undefined|boolean|wp.media.model.Attachment} model
+ *
+ * @fires wp.media.model.Selection#selection:single
+ * @fires wp.media.model.Selection#selection:unsingle
+ *
+ * @returns {Backbone.Model}
+ */
+ single: function( model ) {
+ var previous = this._single;
+
+ // If a `model` is provided, use it as the single model.
+ if ( model ) {
+ this._single = model;
+ }
+ // If the single model isn't in the selection, remove it.
+ if ( this._single && ! this.get( this._single.cid ) ) {
+ delete this._single;
+ }
+
+ this._single = this._single || this.last();
+
+ // If single has changed, fire an event.
+ if ( this._single !== previous ) {
+ if ( previous ) {
+ previous.trigger( 'selection:unsingle', previous, this );
+
+ // If the model was already removed, trigger the collection
+ // event manually.
+ if ( ! this.get( previous.cid ) ) {
+ this.trigger( 'selection:unsingle', previous, this );
+ }
+ }
+ if ( this._single ) {
+ this._single.trigger( 'selection:single', this._single, this );
+ }
+ }
+
+ // Return the single model, or the last model as a fallback.
+ return this._single;
+ }
+});
+
+module.exports = Selection;
+
+
+/***/ })
+
+/******/ }); \ No newline at end of file