assets/js/builder/Collections/Sections.js
/**
* Sections Collection
*
* @since 3.16.0
* @version 3.16.0
*/
define( [ 'Models/Section' ], function( model ) {
return Backbone.Collection.extend( {
/**
* Model for collection items
*
* @type obj
*/
model: model,
/**
* Initialize
*
* @return void
* @since 3.16.0
* @version 3.16.0
*/
initialize: function() {
var self = this;
// reorder called by SectionList view when sortable drops occur
this.on( 'reorder', this.update_order );
// when a section is added or removed, update order
this.on( 'add', this.update_order );
this.on( 'remove', this.update_order );
},
/**
* Update the order attr of each section in the list to reflect the order of the collection
*
* @return void
* @since 3.16.0
* @version 3.16.0
*/
update_order: function() {
var self = this;
this.each( function( section ) {
section.set( 'order', self.indexOf( section ) + 1 );
} );
},
} );
} );