public function onCallback($param)
{
$action = $param->getCallbackParameter();
if (is_array($action) && $action[0] === '__InlineEditor_loadExternalText__') {
$parameter = new TCallbackEventParameter($this->getResponse(), $action[1]);
$this->onLoadingText($parameter);
}
$this->raiseEvent('OnCallback', $this, $param);
}