d43c390e2b
'''Galleries''' * Gallery insertion from the new media modal (into TinyMCE, the text editor, etc). * Gallery previews in TinyMCE now use the `wp.mce.views` API. * Disables the TinyMCE `wpgallery` plugin. * Gallery previews consist of the first image of the gallery and the appearance of a stack. This will later be fleshed out to include more images/functionality (including editing the gallery, gallery properties, and showing the number of images in the gallery). * Multiple galleries can be added to a single post. * The gallery MCE view provides a bridge between the `wp.shortcode` and `Attachments` representation of a gallery, which allows the existing collection to persist when a gallery is initially created (preventing a request to the server for the query). '''Shortcodes''' * Renames `wp.shortcode.Match` to `wp.shortcode` to better expose the shortcode constructor. * The `wp.shortcode` constructor now accepts an object of options instead of a `wp.shortcode.regexp()` match. * A `wp.shortcode` instance can be created from a `wp.shortcode.regexp()` match by calling `wp.shortcode.fromMatch( match )`. * Adds `wp.shortcode.string()`, which takes a set of shortcode parameters and converts them into a string.* Renames `wp.shortcode.prototype.text()` to `wp.shortcode.prototype.string()`. * Adds an additional capture group to `wp.shortcode.regexp()` that records whether or not the shortcode has a closing tag. This allows us to improve the accuracy of the syntax used when transforming a shortcode object back into a string. '''Media Models''' * Prevents media `Query` models from observing the central `Attachments.all` object when query args without corresponding filters are set (otherwise, queries quickly amass false positives). * Adds `post__in`, `post__not_in`, and `post_parent` as acceptable JS attachment `Query` args. * `Attachments.more()` always returns a `$.promise` object. see #21390, #21809, #21812, #21815, #21817. git-svn-id: https://develop.svn.wordpress.org/trunk@22120 602fd350-edb4-49c9-b593-d223f7449a82
922 lines
24 KiB
JavaScript
922 lines
24 KiB
JavaScript
(function($){
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var media = wp.media,
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Attachment = media.model.Attachment,
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Attachments = media.model.Attachments,
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Query = media.model.Query,
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l10n;
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// Link any localized strings.
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l10n = media.view.l10n = _.isUndefined( _wpMediaViewsL10n ) ? {} : _wpMediaViewsL10n;
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/**
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* ========================================================================
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* CONTROLLERS
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* ========================================================================
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*/
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/**
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* wp.media.controller.Workflow
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*/
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media.controller.Workflow = Backbone.Model.extend({
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defaults: {
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title: '',
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multiple: false,
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view: 'library',
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library: {},
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selection: []
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},
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initialize: function() {
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this.createSelection();
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// Initialize view storage.
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this._views = {};
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this._pendingViews = {};
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// Initialize modal container view.
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this.modal = new media.view.Modal({ controller: this });
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// Add default views.
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//
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// Use the `library` property to initialize the corresponding view,
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// then unset the property.
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this.add( 'library', media.view.Workspace.Library, {
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collection: media.query( this.get('library') )
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} );
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this.unset('library');
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// Add the gallery view.
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this.add( 'gallery', media.view.Workspace.Gallery, { collection: this.selection } );
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},
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// Registers a view.
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//
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// `id` is a unique ID for the view relative to the workflow instance.
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// `constructor` is a `Backbone.View` constructor. `options` are the
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// options to be passed when the view is initialized.
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//
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// Triggers the `add` and `add:VIEW_ID` events.
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add: function( id, constructor, options ) {
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this.remove( id );
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this._pendingViews[ id ] = {
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view: constructor,
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options: options
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};
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this.trigger( 'add add:' + id, constructor, options );
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return this;
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},
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// Returns a registered view instance. If an `id` is not provided,
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// it will return the active view.
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//
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// Lazily instantiates a registered view.
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//
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// Triggers the `init` and `init:VIEW_ID` events.
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view: function( id ) {
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var pending;
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id = id || this.get('view');
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pending = this._pendingViews[ id ];
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if ( ! this._views[ id ] && pending ) {
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this._views[ id ] = new pending.view( _.extend({ controller: this }, pending.options || {} ) );
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delete this._pendingViews[ id ];
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this.trigger( 'init init:' + id, this._views[ id ] );
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}
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return this._views[ id ];
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},
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// Unregisters a view from the workflow.
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//
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// Triggers the `remove` and `remove:VIEW_ID` events.
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remove: function( id ) {
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delete this._views[ id ];
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delete this._pendingViews[ id ];
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this.trigger( 'remove remove:' + id );
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return this;
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},
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// Renders a view and places it within the modal window.
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// Automatically adds a view if `constructor` is provided.
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render: function( id, constructor, options ) {
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var view;
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id = id || this.get('view');
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if ( constructor )
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this.add( id, constructor, options );
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view = this.view( id );
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if ( ! view )
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return this;
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view.render();
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this.modal.content( view );
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return this;
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},
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update: function( event ) {
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this.close();
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this.trigger( 'update', this.selection );
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this.trigger( 'update:' + event, this.selection );
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this.selection.clear();
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},
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createSelection: function() {
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var controller = this;
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// Initialize workflow-specific models.
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// Use the `selection` property to initialize the Attachments
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// collection, then unset the property.
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this.selection = new Attachments( this.get('selection') );
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this.unset('selection');
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_.extend( this.selection, {
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// Override the selection's add method.
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// If the workflow does not support multiple
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// selected attachments, reset the selection.
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add: function( models, options ) {
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if ( ! controller.get('multiple') ) {
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models = _.isArray( models ) ? _.first( models ) : models;
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this.clear( options );
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}
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return Attachments.prototype.add.call( this, models, options );
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},
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// Removes all models from the selection.
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clear: function( options ) {
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return this.remove( this.models, options );
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},
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// Override the selection's reset method.
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// Always direct items through add and remove,
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// as we need them to fire.
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reset: function( models, options ) {
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return this.clear( options ).add( models, options );
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},
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// Create selection.has, which determines if a model
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// exists in the collection based on cid and id,
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// instead of direct comparison.
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has: function( attachment ) {
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return !! ( this.getByCid( attachment.cid ) || this.get( attachment.id ) );
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}
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});
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}
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});
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// Map modal methods to the workflow.
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_.each(['attach','detach','open','close'], function( method ) {
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media.controller.Workflow.prototype[ method ] = function() {
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this.modal[ method ].apply( this.modal, arguments );
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return this;
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};
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});
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/**
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* ========================================================================
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* VIEWS
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* ========================================================================
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*/
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/**
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* wp.media.view.Modal
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*/
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media.view.Modal = Backbone.View.extend({
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tagName: 'div',
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template: media.template('media-modal'),
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events: {
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'click .media-modal-backdrop, .media-modal-close' : 'closeHandler'
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},
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initialize: function() {
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this.controller = this.options.controller;
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this.controller.on( 'change:title', this.render, this );
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_.defaults( this.options, {
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container: document.body
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});
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},
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render: function() {
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// Ensure content div exists.
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this.options.$content = this.options.$content || $('<div />');
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// Detach the content element from the DOM to prevent
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// `this.$el.html()` from garbage collecting its events.
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this.options.$content.detach();
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this.$el.html( this.template( this.controller.toJSON() ) );
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this.$('.media-modal-content').append( this.options.$content );
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return this;
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},
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attach: function() {
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this.$el.appendTo( this.options.container );
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},
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detach: function() {
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this.$el.detach();
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},
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open: function() {
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this.$el.show();
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},
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close: function() {
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this.$el.hide();
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},
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closeHandler: function( event ) {
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event.preventDefault();
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this.close();
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},
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content: function( $content ) {
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// Detach any existing content to prevent events from being lost.
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if ( this.options.$content )
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this.options.$content.detach();
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// Set and render the content.
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this.options.$content = ( $content instanceof Backbone.View ) ? $content.$el : $content;
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return this.render();
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}
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});
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/**
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* wp.media.view.Toolbar
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*/
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media.view.Toolbar = Backbone.View.extend({
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tagName: 'div',
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className: 'media-toolbar',
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initialize: function() {
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this._views = {};
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this.$primary = $('<div class="media-toolbar-primary" />').prependTo( this.$el );
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this.$secondary = $('<div class="media-toolbar-secondary" />').prependTo( this.$el );
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if ( this.options.items ) {
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_.each( this.options.items, function( view, id ) {
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this.add( id, view, { silent: true } );
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}, this );
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this.render();
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}
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},
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render: function() {
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var views = _.chain( this._views ).sortBy( function( view ) {
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return view.options.priority || 10;
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}).groupBy( function( view ) {
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return ( view.options.priority || 10 ) > 0 ? 'primary' : 'secondary';
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}).value();
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// Make sure to detach the elements we want to reuse.
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// Otherwise, `jQuery.html()` will unbind their events.
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$( _.pluck( this._views, 'el' ) ).detach();
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this.$primary.html( _.pluck( views.primary, 'el' ) );
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this.$secondary.html( _.pluck( views.secondary, 'el' ) );
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return this;
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},
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add: function( id, view, options ) {
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if ( ! ( view instanceof Backbone.View ) ) {
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view.classes = [ id ].concat( view.classes || [] );
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view = new media.view.Button( view ).render();
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}
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this._views[ id ] = view;
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if ( ! options || ! options.silent )
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this.render();
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return this;
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},
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get: function( id ) {
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return this._views[ id ];
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},
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remove: function( id, options ) {
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delete this._views[ id ];
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if ( ! options || ! options.silent )
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this.render();
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return this;
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}
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});
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/**
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* wp.media.view.Button
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*/
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media.view.Button = Backbone.View.extend({
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tagName: 'a',
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className: 'media-button',
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attributes: { href: '#' },
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events: {
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'click': 'click'
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},
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defaults: {
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text: '',
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style: '',
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size: 'large'
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},
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initialize: function() {
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// Create a model with the provided `defaults`.
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this.model = new Backbone.Model( this.defaults );
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// If any of the `options` have a key from `defaults`, apply its
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// value to the `model` and remove it from the `options object.
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_.each( this.defaults, function( def, key ) {
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var value = this.options[ key ];
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if ( _.isUndefined( value ) )
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return;
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this.model.set( key, value );
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delete this.options[ key ];
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}, this );
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this.model.on( 'change', this.render, this );
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},
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render: function() {
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var classes = [ 'button', this.className ];
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if ( this.model.get('style') )
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classes.push( 'button-' + this.model.get('style') );
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if ( this.model.get('size') )
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classes.push( 'button-' + this.model.get('size') );
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classes = classes.concat( this.options.classes );
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this.el.className = classes.join(' ');
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this.$el.text( this.model.get('text') );
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return this;
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},
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click: function( event ) {
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event.preventDefault();
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if ( this.options.click )
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this.options.click.apply( this, arguments );
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}
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});
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/**
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* wp.media.view.Attachment
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*/
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media.view.Attachment = Backbone.View.extend({
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tagName: 'li',
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className: 'attachment',
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template: media.template('attachment'),
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events: {
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'click': 'toggleSelection'
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},
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buttons: {},
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initialize: function() {
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this.controller = this.options.controller;
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this.model.on( 'change:sizes change:uploading', this.render, this );
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this.model.on( 'change:percent', this.progress, this );
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this.model.on( 'add', this.select, this );
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this.model.on( 'remove', this.deselect, this );
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// Prevent default navigation on all links.
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this.$el.on( 'click', 'a', this.preventDefault );
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},
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render: function() {
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var attachment = this.model.toJSON(),
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options = {
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thumbnail: 'image' === attachment.type ? attachment.url : attachment.icon,
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uploading: attachment.uploading,
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orientation: attachment.orientation || 'landscape',
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type: attachment.type,
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subtype: attachment.subtype,
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buttons: this.buttons
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};
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// Use the medium image size if possible. If the medium size
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// doesn't exist, then the attachment is too small.
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// In that case, use the attachment itself.
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if ( attachment.sizes && attachment.sizes.medium ) {
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options.orientation = attachment.sizes.medium.orientation;
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options.thumbnail = attachment.sizes.medium.url;
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}
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this.$el.html( this.template( options ) );
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if ( attachment.uploading )
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this.$bar = this.$('.media-progress-bar div');
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else
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delete this.$bar;
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// Check if the model is selected.
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if ( this.controller.selection.has( this.model ) )
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this.select();
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return this;
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},
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progress: function() {
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if ( this.$bar && this.$bar.length )
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this.$bar.width( this.model.get('percent') + '%' );
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},
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toggleSelection: function( event ) {
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var selection = this.controller.selection;
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selection[ selection.has( this.model ) ? 'remove' : 'add' ]( this.model );
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},
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select: function( model, collection ) {
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// If a collection is provided, check if it's the selection.
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// If it's not, bail; we're in another selection's event loop.
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if ( collection && collection !== this.controller.selection )
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return;
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this.$el.addClass('selected');
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},
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deselect: function( model, collection ) {
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// If a collection is provided, check if it's the selection.
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// If it's not, bail; we're in another selection's event loop.
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if ( collection && collection !== this.controller.selection )
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return;
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this.$el.removeClass('selected');
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},
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preventDefault: function( event ) {
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event.preventDefault();
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}
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});
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/**
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* wp.media.view.Attachment.Library
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*/
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media.view.Attachment.Library = media.view.Attachment.extend({
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className: 'attachment library',
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buttons: {
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insert: true
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},
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events: _.defaults({
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'click .insert': 'insert'
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}, media.view.Attachment.prototype.events ),
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insert: function() {
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this.controller.selection.reset([ this.model ]);
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this.controller.update();
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}
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});
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/**
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* wp.media.view.Attachment.Gallery
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*/
|
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media.view.Attachment.Gallery = media.view.Attachment.extend({
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buttons: {
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close: true
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},
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events: {
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'click .close': 'toggleSelection'
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}
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});
|
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|
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/**
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* wp.media.view.Workspace
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*/
|
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media.view.Workspace = Backbone.View.extend({
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tagName: 'div',
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className: 'media-workspace',
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template: media.template('media-workspace'),
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|
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// The `options` to be passed to `Attachments` view.
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attachmentsView: {},
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|
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events: {
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'dragenter': 'maybeInitUploader',
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'mouseenter': 'maybeInitUploader'
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},
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|
|
initialize: function() {
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this.controller = this.options.controller;
|
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|
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_.defaults( this.options, {
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selectOne: false,
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uploader: {},
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attachmentsView: {}
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});
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|
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this.$content = $('<div class="existing-attachments" />');
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|
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// Generate the `options` passed to the `Attachments` view.
|
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// Order of priority from lowest to highest: the provided defaults,
|
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// the prototypal `attachmentsView` property, the `attachmentsView`
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// option for the current instance, and then the `controller` and
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// `collection` keys, to ensure they're correctly set.
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this.attachmentsView = _.extend( {
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directions: this.controller.get('multiple') ? l10n.selectMediaMultiple : l10n.selectMediaSingular
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|
}, this.attachmentsView, this.options.attachmentsView, {
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controller: this.controller,
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collection: this.collection
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});
|
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|
|
// Initialize the `Attachments` view.
|
|
this.attachmentsView = new media.view.Attachments( this.attachmentsView );
|
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this.$content.append( this.attachmentsView.$el );
|
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|
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// Track uploading attachments.
|
|
wp.Uploader.queue.on( 'add remove reset change:percent', this.renderUploadProgress, this );
|
|
wp.Uploader.queue.on( 'add', this.selectUpload, this );
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},
|
|
|
|
render: function() {
|
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this.$content.detach();
|
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|
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this.attachmentsView.render();
|
|
this.renderUploadProgress();
|
|
this.$el.html( this.template( this.options ) ).append( this.$content );
|
|
this.$bar = this.$('.upload-attachments .media-progress-bar div');
|
|
return this;
|
|
},
|
|
|
|
maybeInitUploader: function() {
|
|
var workspace = this;
|
|
|
|
// If the uploader already exists or the body isn't in the DOM, bail.
|
|
if ( this.uploader || ! this.$el.closest('body').length )
|
|
return;
|
|
|
|
this.uploader = new wp.Uploader( _.extend({
|
|
container: this.$el,
|
|
dropzone: this.$el,
|
|
browser: this.$('.upload-attachments a')
|
|
}, this.options.uploader ) );
|
|
},
|
|
|
|
selectUpload: function( attachment ) {
|
|
this.controller.selection.add( attachment );
|
|
},
|
|
|
|
renderUploadProgress: function() {
|
|
var queue = wp.Uploader.queue;
|
|
|
|
this.$el.toggleClass( 'uploading', !! queue.length );
|
|
|
|
if ( ! this.$bar || ! queue.length )
|
|
return;
|
|
|
|
this.$bar.width( ( queue.reduce( function( memo, attachment ) {
|
|
if ( attachment.get('uploading') )
|
|
return memo + ( attachment.get('percent') || 0 );
|
|
else
|
|
return memo + 100;
|
|
}, 0 ) / queue.length ) + '%' );
|
|
}
|
|
});
|
|
|
|
/**
|
|
* wp.media.view.Workspace.Library
|
|
*/
|
|
media.view.Workspace.Library = media.view.Workspace.extend({
|
|
|
|
attachmentsView: {
|
|
// The single `Attachment` view to be used in the `Attachments` view.
|
|
AttachmentView: media.view.Attachment.Library
|
|
},
|
|
|
|
initialize: function() {
|
|
media.view.Workspace.prototype.initialize.apply( this, arguments );
|
|
|
|
// If this supports multiple attachments, initialize the sample toolbar view.
|
|
if ( this.controller.get('multiple') )
|
|
this.initToolbarView();
|
|
},
|
|
|
|
// Initializes the toolbar view. Currently uses defaults set for
|
|
// inserting media into a post. This should be pulled out into the
|
|
// appropriate workflow when the time comes, but is currently here
|
|
// to test multiple selections.
|
|
initToolbarView: function() {
|
|
var controller = this.controller;
|
|
|
|
this.toolbarView = new media.view.Toolbar({
|
|
items: {
|
|
'selection-preview': new media.view.SelectionPreview({
|
|
controller: this.controller,
|
|
collection: this.controller.selection,
|
|
priority: -40
|
|
}),
|
|
|
|
'create-new-gallery': {
|
|
style: 'primary',
|
|
text: l10n.createNewGallery,
|
|
priority: 40,
|
|
|
|
click: function() {
|
|
controller.render('gallery');
|
|
}
|
|
},
|
|
|
|
'insert-into-post': {
|
|
text: l10n.insertIntoPost,
|
|
priority: 30,
|
|
click: _.bind( controller.update, controller, 'insert' )
|
|
},
|
|
|
|
'add-to-gallery': {
|
|
text: l10n.addToGallery,
|
|
priority: 20
|
|
}
|
|
}
|
|
});
|
|
|
|
this.controller.selection.on( 'add remove', function() {
|
|
var count = this.controller.selection.length,
|
|
showGallery;
|
|
|
|
this.$el.toggleClass( 'with-toolbar', !! count );
|
|
|
|
// Check if every attachment in the selection is an image.
|
|
showGallery = count > 1 && this.controller.selection.all( function( attachment ) {
|
|
return 'image' === attachment.get('type');
|
|
});
|
|
|
|
this.toolbarView.get('create-new-gallery').$el.toggle( showGallery );
|
|
insert = this.toolbarView.get('insert-into-post');
|
|
insert.model.set( 'style', showGallery ? '' : 'primary' );
|
|
}, this );
|
|
|
|
this.$content.append( this.toolbarView.$el );
|
|
}
|
|
});
|
|
|
|
/**
|
|
* wp.media.view.Workspace.Gallery
|
|
*/
|
|
media.view.Workspace.Gallery = media.view.Workspace.extend({
|
|
|
|
attachmentsView: {
|
|
// The single `Attachment` view to be used in the `Attachments` view.
|
|
AttachmentView: media.view.Attachment.Gallery,
|
|
sortable: true
|
|
},
|
|
|
|
initialize: function() {
|
|
media.view.Workspace.prototype.initialize.apply( this, arguments );
|
|
this.initToolbarView();
|
|
},
|
|
|
|
// Initializes the toolbar view. Currently uses defaults set for
|
|
// inserting media into a post. This should be pulled out into the
|
|
// appropriate workflow when the time comes, but is currently here
|
|
// to test multiple selections.
|
|
initToolbarView: function() {
|
|
var controller = this.controller;
|
|
|
|
this.toolbarView = new media.view.Toolbar({
|
|
items: {
|
|
'return-to-library': {
|
|
text: l10n.returnToLibrary,
|
|
priority: -40,
|
|
|
|
click: function() {
|
|
controller.render('library');
|
|
}
|
|
},
|
|
|
|
'insert-gallery-into-post': {
|
|
style: 'primary',
|
|
text: l10n.insertGalleryIntoPost,
|
|
priority: 40,
|
|
click: _.bind( controller.update, controller, 'gallery' )
|
|
},
|
|
|
|
'add-images-from-library': {
|
|
text: l10n.addImagesFromLibrary,
|
|
priority: 30
|
|
}
|
|
}
|
|
});
|
|
|
|
this.$el.addClass('with-toolbar');
|
|
this.$content.append( this.toolbarView.$el );
|
|
}
|
|
});
|
|
|
|
|
|
/**
|
|
* wp.media.view.Attachments
|
|
*/
|
|
media.view.Attachments = Backbone.View.extend({
|
|
tagName: 'div',
|
|
className: 'attachments',
|
|
template: media.template('attachments'),
|
|
|
|
events: {
|
|
'keyup input': 'search'
|
|
},
|
|
|
|
initialize: function() {
|
|
this.controller = this.options.controller;
|
|
|
|
_.defaults( this.options, {
|
|
refreshSensitivity: 200,
|
|
refreshThreshold: 3,
|
|
AttachmentView: media.view.Attachment,
|
|
sortable: false
|
|
});
|
|
|
|
_.each(['add','remove'], function( method ) {
|
|
this.collection.on( method, function( attachment, attachments, options ) {
|
|
this[ method ]( attachment, options.index );
|
|
}, this );
|
|
}, this );
|
|
|
|
this.collection.on( 'reset', this.refresh, this );
|
|
|
|
this.$list = $('<ul />');
|
|
this.list = this.$list[0];
|
|
|
|
this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();
|
|
this.$list.on( 'scroll.attachments', this.scroll );
|
|
|
|
this.initSortable();
|
|
},
|
|
|
|
initSortable: function() {
|
|
var collection = this.collection,
|
|
from;
|
|
|
|
if ( ! this.options.sortable || ! $.fn.sortable )
|
|
return;
|
|
|
|
this.$list.sortable({
|
|
// If the `collection` has a `comparator`, disable sorting.
|
|
disabled: !! collection.comparator,
|
|
|
|
// Prevent attachments from being dragged outside the bounding
|
|
// box of the list.
|
|
containment: this.$list,
|
|
|
|
// Change the position of the attachment as soon as the
|
|
// mouse pointer overlaps a thumbnail.
|
|
tolerance: 'pointer',
|
|
|
|
// Record the initial `index` of the dragged model.
|
|
start: function( event, ui ) {
|
|
from = ui.item.index();
|
|
},
|
|
|
|
// Update the model's index in the collection.
|
|
// Do so silently, as the view is already accurate.
|
|
update: function( event, ui ) {
|
|
var model = collection.at( from );
|
|
|
|
collection.remove( model, {
|
|
silent: true
|
|
}).add( model, {
|
|
at: ui.item.index(),
|
|
silent: true
|
|
});
|
|
}
|
|
});
|
|
|
|
// If the `orderby` property is changed on the `collection`,
|
|
// check to see if we have a `comparator`. If so, disable sorting.
|
|
collection.props.on( 'change:orderby', function() {
|
|
this.$list.sortable( 'option', 'disabled', !! collection.comparator );
|
|
}, this );
|
|
},
|
|
|
|
render: function() {
|
|
// Detach the list from the DOM to prevent event removal.
|
|
this.$list.detach();
|
|
|
|
this.$el.html( this.template( this.options ) ).append( this.$list );
|
|
this.refresh();
|
|
return this;
|
|
},
|
|
|
|
refresh: function() {
|
|
// If there are no elements, load some.
|
|
if ( ! this.collection.length ) {
|
|
this.collection.more();
|
|
this.$list.empty();
|
|
return this;
|
|
}
|
|
|
|
// Otherwise, create all of the Attachment views, and replace
|
|
// the list in a single DOM operation.
|
|
this.$list.html( this.collection.map( function( attachment ) {
|
|
return new this.options.AttachmentView({
|
|
controller: this.controller,
|
|
model: attachment
|
|
}).render().$el;
|
|
}, this ) );
|
|
|
|
// Then, trigger the scroll event to check if we're within the
|
|
// threshold to query for additional attachments.
|
|
this.scroll();
|
|
return this;
|
|
},
|
|
|
|
add: function( attachment, index ) {
|
|
var view, children;
|
|
|
|
view = new this.options.AttachmentView({
|
|
controller: this.controller,
|
|
model: attachment
|
|
}).render();
|
|
|
|
children = this.$list.children();
|
|
|
|
if ( children.length > index )
|
|
children.eq( index ).before( view.$el );
|
|
else
|
|
this.$list.append( view.$el );
|
|
},
|
|
|
|
remove: function( attachment, index ) {
|
|
var children = this.$list.children();
|
|
if ( children.length )
|
|
children.eq( index ).detach();
|
|
},
|
|
|
|
scroll: function( event ) {
|
|
// @todo: is this still necessary?
|
|
if ( ! this.$list.is(':visible') )
|
|
return;
|
|
|
|
if ( this.list.scrollHeight < this.list.scrollTop + ( this.list.clientHeight * this.options.refreshThreshold ) ) {
|
|
this.collection.more();
|
|
}
|
|
},
|
|
|
|
search: function( event ) {
|
|
var props = this.collection.props;
|
|
|
|
if ( event.target.value )
|
|
props.set( 'search', event.target.value );
|
|
else
|
|
props.unset('search');
|
|
}
|
|
});
|
|
|
|
/**
|
|
* wp.media.view.SelectionPreview
|
|
*/
|
|
media.view.SelectionPreview = Backbone.View.extend({
|
|
tagName: 'div',
|
|
className: 'selection-preview',
|
|
template: media.template('media-selection-preview'),
|
|
|
|
events: {
|
|
'click .clear-selection': 'clear'
|
|
},
|
|
|
|
initialize: function() {
|
|
this.controller = this.options.controller;
|
|
this.collection.on( 'add change:url remove', this.render, this );
|
|
this.render();
|
|
},
|
|
|
|
render: function() {
|
|
var options = {},
|
|
first, sizes, amount;
|
|
|
|
// If nothing is selected, display nothing.
|
|
if ( ! this.collection.length ) {
|
|
this.$el.empty();
|
|
return this;
|
|
}
|
|
|
|
options.count = this.collection.length;
|
|
first = this.collection.first();
|
|
sizes = first.get('sizes');
|
|
|
|
if ( 'image' === first.get('type') )
|
|
options.thumbnail = ( sizes && sizes.thumbnail ) ? sizes.thumbnail.url : first.get('url');
|
|
else
|
|
options.thumbnail = first.get('icon');
|
|
|
|
this.$el.html( this.template( options ) );
|
|
return this;
|
|
},
|
|
|
|
clear: function( event ) {
|
|
event.preventDefault();
|
|
this.collection.clear();
|
|
}
|
|
});
|
|
}(jQuery)); |