code: function(obj, sendUpdatedEvt) {
  	   this.subField.setValue(obj.value, false);
  	   inputEx.TreeField.superclass.setValue.call(this, obj.childValues, sendUpdatedEvt);
  	}
docs: Set the value
  @param {Any} obj The tree object
  @param {boolean} [sendUpdatedEvt] (optional) Wether this setValue should fire the updatedEvt or not (default is true, pass false to NOT send the event)