protected function canAdminContentHandler(\NyroDev\NyroCmsBundle\Model\ContentHandler $contentHandler)
 {
     $canAdmin = false;
     $nyrocmsAdmin = $this->get('nyrocms_admin');
     foreach ($contentHandler->getContents() as $content) {
         $canAdmin = $canAdmin || $nyrocmsAdmin->canAdminContent($content);
     }
     if (!$canAdmin) {
         throw $this->createAccessDeniedException();
     }
 }