protected function deleteZone()
    {
        $this->controlAccess('zone_delete');

        if ($this->zone->delete($this->data_zone['zone_id'])) {
            $this->redirect('admin/settings/zone', $this->text('Zone has been deleted'), 'success');
        }

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