/** * @class Ext.menu.Adapter * @extends Ext.menu.BaseItem * A base utility class that adapts a non-menu component so that it can be wrapped by a menu item and added to a menu. * It provides basic rendering, activation management and enable/disable logic required to work in menus. * @constructor * Creates a new Adapter * @param {Ext.Component} component The component being adapted to render into a menu * @param {Object} config Configuration options */Ext.menu.Adapter = function(component, config){    Ext.menu.Adapter.superclass.constructor.call(this, config);    this.component = component;};Ext.extend(Ext.menu.Adapter, Ext.menu.BaseItem, {    // private    canActivate : true,    // private    onRender : function(container, position){        this.component.render(container);        this.el = this.component.getEl();    },    // private    activate : function(){        if(this.disabled){            return false;        }        this.component.focus();        this.fireEvent("activate", this);        return true;    },    // private    deactivate : function(){        this.fireEvent("deactivate", this);    },    // private    disable : function(){        this.component.disable();        Ext.menu.Adapter.superclass.disable.call(this);    },    // private    enable : function(){        this.component.enable();        Ext.menu.Adapter.superclass.enable.call(this);    }});