protected function deleteUserRole()
    {
        $this->controlAccess('user_role_delete');

        if ($this->role->delete($this->data_role['role_id'])) {
            $this->redirect('admin/user/role', $this->text('Role has been deleted'), 'success');
        }

        $this->redirect('', $this->text('Role has not been deleted'), 'warning');
    }