* @param {Object} options (optional)An object with standard {@link Roo.EventManager#addListener} options
*/
addListener : function(eventName, fn, scope, options){
- Roo.EventManager.on(this.dom, eventName, fn, scope || this, options);
+ if (this.dom) {
+ Roo.EventManager.on(this.dom, eventName, fn, scope || this, options);
+ }
},
/**