public function deleteTableType()
 {
     ipRequest()->mustBePost();
     $post = ipRequest()->getPost();
     if (!isset($post['id'])) {
         $data = array('status' => 'error');
         return new \Ip\Response\Json($data);
     }
     $deleted = TableType::remove($post['id']);
     if ($deleted) {
         $data = array('status' => 'ok');
     } else {
         $data = array('status' => 'error', 'errors' => __('Could not delete table type.', 'DataTableWidget-admin'));
     }
     return new \Ip\Response\Json($data);
 }