/** * @class Ext.list.Tree */Ext.define('Ext.overrides.list.Tree', { override: 'Ext.list.Tree', constructor: function(config) { var me = this, el; me.callParent([config]); el = me.element; if (el.isPainted()) { me.syncIconSize(); } else { el.on({ scope: me, painted: me.syncIconSize, single: true }); } }});