/**
  * On edit text node success.
  *
  * @param string $locale
  * @param NodeInterface $node
  *
  * @return string
  */
 public function onSuccess($locale, NodeInterface $node)
 {
     $this->eventDispatcher->dispatch(TadckaTreeEvents::NODE_EDIT_SUCCESS, new TreeNodeEvent($locale, $node));
     $this->textNodeManager->save();
     return $this->translator->trans('success.text_node_save', array(), 'SilvestraTextNodeBundle');
 }