/** * A simple "expand" trigger. Used in {@link Ext.field.Picker Picker Fields}. */Ext.define('Ext.field.trigger.Expand', { extend: 'Ext.field.trigger.Trigger', xtype: 'expandtrigger', alias: 'trigger.expand', classCls: Ext.baseCSSPrefix + 'expandtrigger', isExpandTrigger: true, handler: 'onExpandTap', scope: 'this'});