public function deleteRoleAction()
    {
        //wyszukiwanie i usuwanie roli
        if ((null !== $role = (new \Cms\Orm\CmsRoleQuery)->findPk($this->id))) {
            $this->getMessenger()->addMessage(($deleteResult = (bool) $role->delete()) ? 'messenger.acl.role.deleted' : 'messenger.acl.role.delete.error', $deleteResult);
        }
        //redirect
        $this->getResponse()->redirect('cmsAdmin', 'acl', 'index', ['roleId' => $this->id]);
    }