/**
  * @param DeleteFileForm $form
  *
  * @return bool
  */
 private function handleDeletePost(DeleteFileForm $form)
 {
     /** @var \Zend\Http\Request $request */
     $request = $this->getRequest();
     if ($request->isPost()) {
         $form->setData($request->getPost());
         $form->getInputFilter()->init();
         if ($form->isValid()) {
             return $this->getFileManager()->delete($form->getData()['name']);
         }
     }
     return false;
 }