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Edit File : wp-backbone.js \| Size : 14.88 KB
/** * @output wp-includes/js/wp-backbone.js / /* @namespace wp / window.wp = window.wp \|\| {}; (function ($) { /* * Create the WordPress Backbone namespace. * * @namespace wp.Backbone / wp.Backbone = {}; /* * A backbone subview manager. * * @since 3.5.0 * @since 3.6.0 Moved wp.media.Views to wp.Backbone.Subviews. * * @memberOf wp.Backbone * * @class * * @param {wp.Backbone.View} view The main view. * @param {Array\|Object} views The subviews for the main view. / wp.Backbone.Subviews = function( view, views ) { this.view = view; this._views = _.isArray( views ) ? { '': views } : views \|\| {}; }; wp.Backbone.Subviews.extend = Backbone.Model.extend; _.extend( wp.Backbone.Subviews.prototype, { /* * Fetches all of the subviews. * * @since 3.5.0 * * @return {Array} All the subviews. / all: function() { return _.flatten( _.values( this._views ) ); }, /* * Fetches all subviews that match a given `selector`. * * If no `selector` is provided, it will grab all subviews attached * to the view's root. * * @since 3.5.0 * * @param {string} selector A jQuery selector. * * @return {Array} All the subviews that match the selector. / get: function( selector ) { selector = selector \|\| ''; return this._views[ selector ]; }, /* * Fetches the first subview that matches a given `selector`. * * If no `selector` is provided, it will grab the first subview attached to the * view's root. * * Useful when a selector only has one subview at a time. * * @since 3.5.0 * * @param {string} selector A jQuery selector. * * @return {Backbone.View} The view. / first: function( selector ) { var views = this.get( selector ); return views && views.length ? views[0] : null; }, /* * Registers subview(s). * * Registers any number of `views` to a `selector`. * * When no `selector` is provided, the root selector (the empty string) * is used. `views` accepts a `Backbone.View` instance or an array of * `Backbone.View` instances. * * --- * * Accepts an `options` object, which has a significant effect on the * resulting behavior. * * `options.silent` - boolean, `false` * If `options.silent` is true, no DOM modifications will be made. * * `options.add` - boolean, `false` * Use `Views.add()` as a shortcut for setting `options.add` to true. * * By default, the provided `views` will replace any existing views * associated with the selector. If `options.add` is true, the provided * `views` will be added to the existing views. * * `options.at` - integer, `undefined` * When adding, to insert `views` at a specific index, use `options.at`. * By default, `views` are added to the end of the array. * * @since 3.5.0 * * @param {string} selector A jQuery selector. * @param {Array\|Object} views The subviews for the main view. * @param {Object} options Options for call. If `options.silent` is true, * no DOM modifications will be made. Use * `Views.add()` as a shortcut for setting * `options.add` to true. If `options.add` is * true, the provided `views` will be added to * the existing views. When adding, to insert * `views` at a specific index, use `options.at`. * * @return {wp.Backbone.Subviews} The current Subviews instance. / set: function( selector, views, options ) { var existing, next; if ( ! _.isString( selector ) ) { options = views; views = selector; selector = ''; } options = options \|\| {}; views = _.isArray( views ) ? views : [ views ]; existing = this.get( selector ); next = views; if ( existing ) { if ( options.add ) { if ( _.isUndefined( options.at ) ) { next = existing.concat( views ); } else { next = existing; next.splice.apply( next, [ options.at, 0 ].concat( views ) ); } } else { _.each( next, function( view ) { view.__detach = true; }); _.each( existing, function( view ) { if ( view.__detach ) view.$el.detach(); else view.remove(); }); _.each( next, function( view ) { delete view.__detach; }); } } this._views[ selector ] = next; _.each( views, function( subview ) { var constructor = subview.Views \|\| wp.Backbone.Subviews, subviews = subview.views = subview.views \|\| new constructor( subview ); subviews.parent = this.view; subviews.selector = selector; }, this ); if ( ! options.silent ) this._attach( selector, views, _.extend({ ready: this._isReady() }, options ) ); return this; }, /* * Add subview(s) to existing subviews. * * An alias to `Views.set()`, which defaults `options.add` to true. * * Adds any number of `views` to a `selector`. * * When no `selector` is provided, the root selector (the empty string) * is used. `views` accepts a `Backbone.View` instance or an array of * `Backbone.View` instances. * * Uses `Views.set()` when setting `options.add` to `false`. * * Accepts an `options` object. By default, provided `views` will be * inserted at the end of the array of existing views. To insert * `views` at a specific index, use `options.at`. If `options.silent` * is true, no DOM modifications will be made. * * For more information on the `options` object, see `Views.set()`. * * @since 3.5.0 * * @param {string} selector A jQuery selector. * @param {Array\|Object} views The subviews for the main view. * @param {Object} options Options for call. To insert `views` at a * specific index, use `options.at`. If * `options.silent` is true, no DOM modifications * will be made. * * @return {wp.Backbone.Subviews} The current subviews instance. / add: function( selector, views, options ) { if ( ! _.isString( selector ) ) { options = views; views = selector; selector = ''; } return this.set( selector, views, _.extend({ add: true }, options ) ); }, /* * Removes an added subview. * * Stops tracking `views` registered to a `selector`. If no `views` are * set, then all of the `selector`'s subviews will be unregistered and * removed. * * Accepts an `options` object. If `options.silent` is set, `remove` * will not be triggered on the unregistered views. * * @since 3.5.0 * * @param {string} selector A jQuery selector. * @param {Array\|Object} views The subviews for the main view. * @param {Object} options Options for call. If `options.silent` is set, * `remove` will not be triggered on the * unregistered views. * * @return {wp.Backbone.Subviews} The current Subviews instance. / unset: function( selector, views, options ) { var existing; if ( ! _.isString( selector ) ) { options = views; views = selector; selector = ''; } views = views \|\| []; if ( existing = this.get( selector ) ) { views = _.isArray( views ) ? views : [ views ]; this._views[ selector ] = views.length ? _.difference( existing, views ) : []; } if ( ! options \|\| ! options.silent ) _.invoke( views, 'remove' ); return this; }, /* * Detaches all subviews. * * Helps to preserve all subview events when re-rendering the master * view. Used in conjunction with `Views.render()`. * * @since 3.5.0 * * @return {wp.Backbone.Subviews} The current Subviews instance. / detach: function() { $( _.pluck( this.all(), 'el' ) ).detach(); return this; }, /* * Renders all subviews. * * Used in conjunction with `Views.detach()`. * * @since 3.5.0 * * @return {wp.Backbone.Subviews} The current Subviews instance. / render: function() { var options = { ready: this._isReady() }; _.each( this._views, function( views, selector ) { this._attach( selector, views, options ); }, this ); this.rendered = true; return this; }, /* * Removes all subviews. * * Triggers the `remove()` method on all subviews. Detaches the master * view from its parent. Resets the internals of the views manager. * * Accepts an `options` object. If `options.silent` is set, `unset` * will not be triggered on the master view's parent. * * @since 3.6.0 * * @param {Object} options Options for call. * @param {boolean} options.silent If true, `unset` wil not be triggered on * the master views' parent. * * @return {wp.Backbone.Subviews} The current Subviews instance. / remove: function( options ) { if ( ! options \|\| ! options.silent ) { if ( this.parent && this.parent.views ) this.parent.views.unset( this.selector, this.view, { silent: true }); delete this.parent; delete this.selector; } _.invoke( this.all(), 'remove' ); this._views = []; return this; }, /* * Replaces a selector's subviews * * By default, sets the `$target` selector's html to the subview `els`. * * Can be overridden in subclasses. * * @since 3.5.0 * * @param {string} $target Selector where to put the elements. * @param {} els HTML or elements to put into the selector's HTML. * @return {wp.Backbone.Subviews} The current Subviews instance. / replace: function( $target, els ) { $target.html( els ); return this; }, /* * Insert subviews into a selector. * * By default, appends the subview `els` to the end of the `$target` * selector. If `options.at` is set, inserts the subview `els` at the * provided index. * * Can be overridden in subclasses. * * @since 3.5.0 * * @param {string} $target Selector where to put the elements. * @param {} els HTML or elements to put at the end of the $target. * @param {?Object} options Options for call. * @param {?number} options.at At which index to put the elements. * * @return {wp.Backbone.Subviews} The current Subviews instance. / insert: function( $target, els, options ) { var at = options && options.at, $children; if ( _.isNumber( at ) && ($children = $target.children()).length > at ) $children.eq( at ).before( els ); else $target.append( els ); return this; }, /* * Triggers the ready event. * * Only use this method if you know what you're doing. For performance reasons, * this method does not check if the view is actually attached to the DOM. It's * taking your word for it. * * Fires the ready event on the current view and all attached subviews. * * @since 3.5.0 / ready: function() { this.view.trigger('ready'); // Find all attached subviews, and call ready on them. _.chain( this.all() ).map( function( view ) { return view.views; }).flatten().where({ attached: true }).invoke('ready'); }, /* * Attaches a series of views to a selector. Internal. * * Checks to see if a matching selector exists, renders the views, * performs the proper DOM operation, and then checks if the view is * attached to the document. * * @since 3.5.0 * * @private * * @param {string} selector A jQuery selector. * @param {Array\|Object} views The subviews for the main view. * @param {Object} options Options for call. * @param {boolean} options.add If true the provided views will be added. * * @return {wp.Backbone.Subviews} The current Subviews instance. / _attach: function( selector, views, options ) { var $selector = selector ? this.view.$( selector ) : this.view.$el, managers; // Check if we found a location to attach the views. if ( ! $selector.length ) return this; managers = _.chain( views ).pluck('views').flatten().value(); // Render the views if necessary. _.each( managers, function( manager ) { if ( manager.rendered ) return; manager.view.render(); manager.rendered = true; }, this ); // Insert or replace the views. this[ options.add ? 'insert' : 'replace' ]( $selector, _.pluck( views, 'el' ), options ); / * Set attached and trigger ready if the current view is already * attached to the DOM. / _.each( managers, function( manager ) { manager.attached = true; if ( options.ready ) manager.ready(); }, this ); return this; }, /* * Determines whether or not the current view is in the DOM. * * @since 3.5.0 * * @private * * @return {boolean} Whether or not the current view is in the DOM. / _isReady: function() { var node = this.view.el; while ( node ) { if ( node === document.body ) return true; node = node.parentNode; } return false; } }); wp.Backbone.View = Backbone.View.extend({ // The constructor for the `Views` manager. Subviews: wp.Backbone.Subviews, /* * The base view class. * * This extends the backbone view to have a build-in way to use subviews. This * makes it easier to have nested views. * * @since 3.5.0 * @since 3.6.0 Moved wp.media.View to wp.Backbone.View * * @constructs * @augments Backbone.View * * @memberOf wp.Backbone * * * @param {Object} options The options for this view. / constructor: function( options ) { this.views = new this.Subviews( this, this.views ); this.on( 'ready', this.ready, this ); this.options = options \|\| {}; Backbone.View.apply( this, arguments ); }, /* * Removes this view and all subviews. * * @since 3.5.0 * * @return {wp.Backbone.Subviews} The current Subviews instance. / remove: function() { var result = Backbone.View.prototype.remove.apply( this, arguments ); // Recursively remove child views. if ( this.views ) this.views.remove(); return result; }, /* * Renders this view and all subviews. * * @since 3.5.0 * * @return {wp.Backbone.View} The current instance of the view. / render: function() { var options; if ( this.prepare ) options = this.prepare(); this.views.detach(); if ( this.template ) { options = options \|\| {}; this.trigger( 'prepare', options ); this.$el.html( this.template( options ) ); } this.views.render(); return this; }, /* * Returns the options for this view. * * @since 3.5.0 * * @return {Object} The options for this view. / prepare: function() { return this.options; }, /* * Method that is called when the ready event is triggered. * * @since 3.5.0 */ ready: function() {} }); }(jQuery)); Back

Edit File : wp-backbone.js | Size : 14.88 KB

/**
 * @output wp-includes/js/wp-backbone.js
 */

/** @namespace wp */
window.wp = window.wp || {};

(function ($) {
	/**
	 * Create the WordPress Backbone namespace.
	 *
	 * @namespace wp.Backbone
	 */
	wp.Backbone = {};

/**
	 * A backbone subview manager.
	 *
	 * @since 3.5.0
	 * @since 3.6.0 Moved wp.media.Views to wp.Backbone.Subviews.
	 *
	 * @memberOf wp.Backbone
	 *
	 * @class
	 *
	 * @param {wp.Backbone.View} view  The main view.
	 * @param {Array|Object}     views The subviews for the main view.
	 */
	wp.Backbone.Subviews = function( view, views ) {
		this.view = view;
		this._views = _.isArray( views ) ? { '': views } : views || {};
	};

wp.Backbone.Subviews.extend = Backbone.Model.extend;

_.extend( wp.Backbone.Subviews.prototype, {
		/**
		 * Fetches all of the subviews.
		 *
		 * @since 3.5.0
		 *
		 * @return {Array} All the subviews.
		 */
		all: function() {
			return _.flatten( _.values( this._views ) );
		},

/**
		 * Fetches all subviews that match a given `selector`.
		 *
		 * If no `selector` is provided, it will grab all subviews attached
		 * to the view's root.
		 *
		 * @since 3.5.0
		 *
		 * @param {string} selector A jQuery selector.
		 *
		 * @return {Array} All the subviews that match the selector.
		 */
		get: function( selector ) {
			selector = selector || '';
			return this._views[ selector ];
		},

/**
		 * Fetches the first subview that matches a given `selector`.
		 *
		 * If no `selector` is provided, it will grab the first subview attached to the
		 * view's root.
		 *
		 * Useful when a selector only has one subview at a time.
		 *
		 * @since 3.5.0
		 *
		 * @param {string} selector A jQuery selector.
		 *
		 * @return {Backbone.View} The view.
		 */
		first: function( selector ) {
			var views = this.get( selector );
			return views && views.length ? views[0] : null;
		},

/**
		 * Registers subview(s).
		 *
		 * Registers any number of `views` to a `selector`.
		 *
		 * When no `selector` is provided, the root selector (the empty string)
		 * is used. `views` accepts a `Backbone.View` instance or an array of
		 * `Backbone.View` instances.
		 *
		 * ---
		 *
		 * Accepts an `options` object, which has a significant effect on the
		 * resulting behavior.
		 *
		 * `options.silent` - *boolean, `false`*
		 * If `options.silent` is true, no DOM modifications will be made.
		 *
		 * `options.add` - *boolean, `false`*
		 * Use `Views.add()` as a shortcut for setting `options.add` to true.
		 *
		 * By default, the provided `views` will replace any existing views
		 * associated with the selector. If `options.add` is true, the provided
		 * `views` will be added to the existing views.
		 *
		 * `options.at` - *integer, `undefined`*
		 * When adding, to insert `views` at a specific index, use `options.at`.
		 * By default, `views` are added to the end of the array.
		 *
		 * @since 3.5.0
		 *
		 * @param {string}       selector A jQuery selector.
		 * @param {Array|Object} views    The subviews for the main view.
		 * @param {Object}       options  Options for call. If `options.silent` is true,
		 *                                no DOM  modifications will be made. Use
		 *                                `Views.add()` as a shortcut for setting
		 *                                `options.add` to true. If `options.add` is
		 *                                true, the provided `views` will be added to
		 *                                the existing views. When adding, to insert
		 *                                `views` at a specific index, use `options.at`.
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		set: function( selector, views, options ) {
			var existing, next;

if ( ! _.isString( selector ) ) {
				options  = views;
				views    = selector;
				selector = '';
			}

options  = options || {};
			views    = _.isArray( views ) ? views : [ views ];
			existing = this.get( selector );
			next     = views;

if ( existing ) {
				if ( options.add ) {
					if ( _.isUndefined( options.at ) ) {
						next = existing.concat( views );
					} else {
						next = existing;
						next.splice.apply( next, [ options.at, 0 ].concat( views ) );
					}
				} else {
					_.each( next, function( view ) {
						view.__detach = true;
					});

_.each( existing, function( view ) {
						if ( view.__detach )
							view.$el.detach();
						else
							view.remove();
					});

_.each( next, function( view ) {
						delete view.__detach;
					});
				}
			}

this._views[ selector ] = next;

_.each( views, function( subview ) {
				var constructor = subview.Views || wp.Backbone.Subviews,
					subviews = subview.views = subview.views || new constructor( subview );
				subviews.parent   = this.view;
				subviews.selector = selector;
			}, this );

if ( ! options.silent )
				this._attach( selector, views, _.extend({ ready: this._isReady() }, options ) );

return this;
		},

/**
		 * Add subview(s) to existing subviews.
		 *
		 * An alias to `Views.set()`, which defaults `options.add` to true.
		 *
		 * Adds any number of `views` to a `selector`.
		 *
		 * When no `selector` is provided, the root selector (the empty string)
		 * is used. `views` accepts a `Backbone.View` instance or an array of
		 * `Backbone.View` instances.
		 *
		 * Uses `Views.set()` when setting `options.add` to `false`.
		 *
		 * Accepts an `options` object. By default, provided `views` will be
		 * inserted at the end of the array of existing views. To insert
		 * `views` at a specific index, use `options.at`. If `options.silent`
		 * is true, no DOM modifications will be made.
		 *
		 * For more information on the `options` object, see `Views.set()`.
		 *
		 * @since 3.5.0
		 *
		 * @param {string}       selector A jQuery selector.
		 * @param {Array|Object} views    The subviews for the main view.
		 * @param {Object}       options  Options for call.  To insert `views` at a
		 *                                specific index, use `options.at`. If
		 *                                `options.silent` is true, no DOM modifications
		 *                                will be made.
		 *
		 * @return {wp.Backbone.Subviews} The current subviews instance.
		 */
		add: function( selector, views, options ) {
			if ( ! _.isString( selector ) ) {
				options  = views;
				views    = selector;
				selector = '';
			}

return this.set( selector, views, _.extend({ add: true }, options ) );
		},

/**
		 * Removes an added subview.
		 *
		 * Stops tracking `views` registered to a `selector`. If no `views` are
		 * set, then all of the `selector`'s subviews will be unregistered and
		 * removed.
		 *
		 * Accepts an `options` object. If `options.silent` is set, `remove`
		 * will *not* be triggered on the unregistered views.
		 *
		 * @since 3.5.0
		 *
		 * @param {string}       selector A jQuery selector.
		 * @param {Array|Object} views    The subviews for the main view.
		 * @param {Object}       options  Options for call. If `options.silent` is set,
		 *                                `remove` will *not* be triggered on the
		 *                                unregistered views.
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		unset: function( selector, views, options ) {
			var existing;

if ( ! _.isString( selector ) ) {
				options = views;
				views = selector;
				selector = '';
			}

views = views || [];

if ( existing = this.get( selector ) ) {
				views = _.isArray( views ) ? views : [ views ];
				this._views[ selector ] = views.length ? _.difference( existing, views ) : [];
			}

if ( ! options || ! options.silent )
				_.invoke( views, 'remove' );

return this;
		},

/**
		 * Detaches all subviews.
		 *
		 * Helps to preserve all subview events when re-rendering the master
		 * view. Used in conjunction with `Views.render()`.
		 *
		 * @since 3.5.0
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		detach: function() {
			$( _.pluck( this.all(), 'el' ) ).detach();
			return this;
		},

/**
		 * Renders all subviews.
		 *
		 * Used in conjunction with `Views.detach()`.
		 *
		 * @since 3.5.0
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		*/
		render: function() {
			var options = {
					ready: this._isReady()
				};

_.each( this._views, function( views, selector ) {
				this._attach( selector, views, options );
			}, this );

this.rendered = true;
			return this;
		},

/**
		 * Removes all subviews.
		 *
		 * Triggers the `remove()` method on all subviews. Detaches the master
		 * view from its parent. Resets the internals of the views manager.
		 *
		 * Accepts an `options` object. If `options.silent` is set, `unset`
		 * will *not* be triggered on the master view's parent.
		 *
		 * @since 3.6.0
		 *
		 * @param {Object}  options        Options for call.
		 * @param {boolean} options.silent If true, `unset` wil *not* be triggered on
		 *                                 the master views' parent.
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		*/
		remove: function( options ) {
			if ( ! options || ! options.silent ) {
				if ( this.parent && this.parent.views )
					this.parent.views.unset( this.selector, this.view, { silent: true });
				delete this.parent;
				delete this.selector;
			}

_.invoke( this.all(), 'remove' );
			this._views = [];
			return this;
		},

/**
		 * Replaces a selector's subviews
		 *
		 * By default, sets the `$target` selector's html to the subview `els`.
		 *
		 * Can be overridden in subclasses.
		 *
		 * @since 3.5.0
		 *
		 * @param {string} $target Selector where to put the elements.
		 * @param {*} els HTML or elements to put into the selector's HTML.
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		replace: function( $target, els ) {
			$target.html( els );
			return this;
		},

/**
		 * Insert subviews into a selector.
		 *
		 * By default, appends the subview `els` to the end of the `$target`
		 * selector. If `options.at` is set, inserts the subview `els` at the
		 * provided index.
		 *
		 * Can be overridden in subclasses.
		 *
		 * @since 3.5.0
		 *
		 * @param {string}  $target    Selector where to put the elements.
		 * @param {*}       els        HTML or elements to put at the end of the
		 *                             $target.
		 * @param {?Object} options    Options for call.
		 * @param {?number} options.at At which index to put the elements.
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		insert: function( $target, els, options ) {
			var at = options && options.at,
				$children;

if ( _.isNumber( at ) && ($children = $target.children()).length > at )
				$children.eq( at ).before( els );
			else
				$target.append( els );

return this;
		},

/**
		 * Triggers the ready event.
		 *
		 * Only use this method if you know what you're doing. For performance reasons,
		 * this method does not check if the view is actually attached to the DOM. It's
		 * taking your word for it.
		 *
		 * Fires the ready event on the current view and all attached subviews.
		 *
		 * @since 3.5.0
		 */
		ready: function() {
			this.view.trigger('ready');

// Find all attached subviews, and call ready on them.
			_.chain( this.all() ).map( function( view ) {
				return view.views;
			}).flatten().where({ attached: true }).invoke('ready');
		},
		/**
		 * Attaches a series of views to a selector. Internal.
		 *
		 * Checks to see if a matching selector exists, renders the views,
		 * performs the proper DOM operation, and then checks if the view is
		 * attached to the document.
		 *
		 * @since 3.5.0
		 *
		 * @private
		 *
		 * @param {string}       selector    A jQuery selector.
		 * @param {Array|Object} views       The subviews for the main view.
		 * @param {Object}       options     Options for call.
		 * @param {boolean}      options.add If true the provided views will be added.
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		_attach: function( selector, views, options ) {
			var $selector = selector ? this.view.$( selector ) : this.view.$el,
				managers;

// Check if we found a location to attach the views.
			if ( ! $selector.length )
				return this;

managers = _.chain( views ).pluck('views').flatten().value();

// Render the views if necessary.
			_.each( managers, function( manager ) {
				if ( manager.rendered )
					return;

manager.view.render();
				manager.rendered = true;
			}, this );

// Insert or replace the views.
			this[ options.add ? 'insert' : 'replace' ]( $selector, _.pluck( views, 'el' ), options );

/*
			 * Set attached and trigger ready if the current view is already
			 * attached to the DOM.
			 */
			_.each( managers, function( manager ) {
				manager.attached = true;

if ( options.ready )
					manager.ready();
			}, this );

return this;
		},

/**
		 * Determines whether or not the current view is in the DOM.
		 *
		 * @since 3.5.0
		 *
		 * @private
		 *
		 * @return {boolean} Whether or not the current view is in the DOM.
		 */
		_isReady: function() {
			var node = this.view.el;
			while ( node ) {
				if ( node === document.body )
					return true;
				node = node.parentNode;
			}

return false;
		}
	});

wp.Backbone.View = Backbone.View.extend({

// The constructor for the `Views` manager.
		Subviews: wp.Backbone.Subviews,

/**
		 * The base view class.
		 *
		 * This extends the backbone view to have a build-in way to use subviews. This
		 * makes it easier to have nested views.
		 *
		 * @since 3.5.0
		 * @since 3.6.0 Moved wp.media.View to wp.Backbone.View
		 *
		 * @constructs
		 * @augments Backbone.View
		 *
		 * @memberOf wp.Backbone
		 *
		 *
		 * @param {Object} options The options for this view.
		 */
		constructor: function( options ) {
			this.views = new this.Subviews( this, this.views );
			this.on( 'ready', this.ready, this );

this.options = options || {};

Backbone.View.apply( this, arguments );
		},

/**
		 * Removes this view and all subviews.
		 *
		 * @since 3.5.0
		 *
		 * @return {wp.Backbone.Subviews} The current Subviews instance.
		 */
		remove: function() {
			var result = Backbone.View.prototype.remove.apply( this, arguments );

// Recursively remove child views.
			if ( this.views )
				this.views.remove();

return result;
		},

/**
		 * Renders this view and all subviews.
		 *
		 * @since 3.5.0
		 *
		 * @return {wp.Backbone.View} The current instance of the view.
		 */
		render: function() {
			var options;

if ( this.prepare )
				options = this.prepare();

this.views.detach();

if ( this.template ) {
				options = options || {};
				this.trigger( 'prepare', options );
				this.$el.html( this.template( options ) );
			}

this.views.render();
			return this;
		},

/**
		 * Returns the options for this view.
		 *
		 * @since 3.5.0
		 *
		 * @return {Object} The options for this view.
		 */
		prepare: function() {
			return this.options;
		},

/**
		 * Method that is called when the ready event is triggered.
		 *
		 * @since 3.5.0
		 */
		ready: function() {}
	});
}(jQuery));

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