static/admin/js/Desktop.js
function (e,x) {
        var me = this, menu = me.contextMenu;
        
        e.stopEvent();
        if (!menu.rendered) {
            menu.on('beforeshow', me.onDesktopMenuBeforeShow, me);
        }
        menu.showAt(e.getXY());
        menu.doConstrain();
    }
function (e,x) {
        var me = this, menu = me.contextMenu;
        
        e.stopEvent();
        if (!menu.rendered) {
            menu.on('beforeshow', me.onDesktopMenuBeforeShow, me);
        }
        menu.showAt(e.getXY());
        menu.doConstrain();
    }
------------------------------------------------------ Event handler methods