(function(){

    var ns = Ext.ns('Ext.ux.plugins');
    /**
     * @class Ext.ux.plugins.DefaultButton
     * @extends Object
     *
     * Plugin for Button that will click() the button if the user presses ENTER while
     * a component in the button's form has focus.
     *
     * @author Stephen Friedrich
     * @date 21-JAN-2010
     * @version 0.2
     *
     */
    Ext.ux.plugins.DefaultButton =  Ext.extend(Object, {
        init: function(button) {
            button.on('afterRender', setupKeyListener, button);
        }
    });

    function setupKeyListener() {
        var formPanel = this.findParentByType('form');
        //noinspection ObjectAllocationIgnored
        new Ext.KeyMap(formPanel.el, {
            key: Ext.EventObject.ENTER,
            shift: false,
            alt: false,
            fn: function(keyCode, e){
                if(this.hidden || e.target.type === 'textarea' && !e.ctrlKey) {
                    return true;
                }

                this.el.select('button').item(0).dom.click();
                return false;
            },
            scope: this
        });
    }

    Ext.ComponentMgr.registerPlugin('defaultButton', ns.DefaultButton);

})();