panel dblclick extjs

http://stackoverflow.com/questions/13414006/double-click-event-on-panel

HTML

<link rel="stylesheet" href="http://cdn.sencha.io/ext-4.1.0-gpl/resources/css/ext-all.css">

JavaScript

var panel = Ext.create('Ext.tree.Panel', {
    html: 'Click me twice',
    renderTo: Ext.getBody(),
    width: 100,
    height: 100,
    title: 'test panel',
    listeners: {
        dblclick: function() {
            alert('Double click event');
        },
        element: 'header'
    }
});