/**
  * Action to manage the trash of a site
  * @param \ride\web\cms\Cms $cms Facade to the CMS
  * @param string $site Id of the site
  * @param string $revision Name of the revision to work with
  * @param string $locale Code of the locale
  * @return null
  */
 public function trashAction(Cms $cms, $site, $revision, $locale)
 {
     if (!$cms->resolveNode($site, $revision)) {
         return;
     }
     $this->setContentLocale($locale);
     $translator = $this->getTranslator();
     $referer = $this->request->getQueryParameter('referer');
     $trashNodeOptions = array();
     $trashNodes = $cms->getTrashNodes($site->getId());
     foreach ($trashNodes as $trashNodeId => $trashNode) {
         $trashNodeOptions[$trashNodeId] = $trashNode->getNode()->getName($locale) . ' (' . date('Y-m-d H:i:s', $trashNode->getDate()) . ')';
     }
     $form = $this->createFormBuilder();
     $form->addRow('nodes', 'option', array('label' => $translator->translate('label.nodes.trash'), 'description' => $translator->translate('label.nodes.trash.description'), 'options' => $trashNodeOptions, 'multiple' => true, 'validators' => array('required' => array())));
     $form->addRow('destination', 'select', array('label' => $translator->translate('label.destination'), 'description' => $translator->translate('label.destination.restore.description'), 'options' => $cms->getNodeList($site, $locale, true)));
     $form = $form->build();
     if ($form->isSubmitted()) {
         try {
             $form->validate();
             $data = $form->getData();
             $restoreNodes = array();
             foreach ($data['nodes'] as $trashNodeId => $trashNodeName) {
                 $restoreNodes[] = $trashNodes[$trashNodeId];
             }
             $cms->restoreTrashNodes($site, $restoreNodes, $data['destination']);
             $this->response->setRedirect($referer);
             return;
         } catch (ValidationException $exception) {
             $this->setValidationException($exception, $form);
         }
     }
     $this->setTemplateView('cms/backend/site.trash', array('referer' => $referer, 'site' => $site, 'node' => $site, 'form' => $form->getView(), 'trashNodes' => $trashNodes, 'locale' => $locale, 'locales' => $cms->getLocales()));
 }