/**
  * @param $id
  */
 public function handleDelete($id)
 {
     if ($this->getUser()->getId() == $id) {
         $this->flashMessage('You cannot delete yourself');
     } elseif (!$this->getUser()->isAllowed('Admin:User', 'delete')) {
         $this->flashMessage('Access denied');
     } else {
         try {
             $this->userManager->delete($id);
         } catch (\Nette\InvalidArgumentException $ex) {
             $this->flashMessage($ex->getMessage(), 'error');
         }
     }
     $this->redirect('this');
 }