WordPress/wp-includes/js/media/views/priority-list.js

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/*globals _, Backbone */
/**
* wp.media.view.PriorityList
*
* @class
* @augments wp.media.View
* @augments wp.Backbone.View
* @augments Backbone.View
*/
var View = require( './view.js' ),
PriorityList;
PriorityList = View.extend({
tagName: 'div',
initialize: function() {
this._views = {};
this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
delete this.options.views;
if ( ! this.options.silent ) {
this.render();
}
},
/**
* @param {string} id
* @param {wp.media.View|Object} view
* @param {Object} options
* @returns {wp.media.view.PriorityList} Returns itself to allow chaining
*/
set: function( id, view, options ) {
var priority, views, index;
options = options || {};
// Accept an object with an `id` : `view` mapping.
if ( _.isObject( id ) ) {
_.each( id, function( view, id ) {
this.set( id, view );
}, this );
return this;
}
if ( ! (view instanceof Backbone.View) ) {
view = this.toView( view, id, options );
}
view.controller = view.controller || this.controller;
this.unset( id );
priority = view.options.priority || 10;
views = this.views.get() || [];
_.find( views, function( existing, i ) {
if ( existing.options.priority > priority ) {
index = i;
return true;
}
});
this._views[ id ] = view;
this.views.add( view, {
at: _.isNumber( index ) ? index : views.length || 0
});
return this;
},
/**
* @param {string} id
* @returns {wp.media.View}
*/
get: function( id ) {
return this._views[ id ];
},
/**
* @param {string} id
* @returns {wp.media.view.PriorityList}
*/
unset: function( id ) {
var view = this.get( id );
if ( view ) {
view.remove();
}
delete this._views[ id ];
return this;
},
/**
* @param {Object} options
* @returns {wp.media.View}
*/
toView: function( options ) {
return new View( options );
}
});
module.exports = PriorityList;