public function editZone($zone_id = null)
    {
        $this->setZone($zone_id);
        $this->setTitleEditZone();
        $this->setBreadcrumbEditZone();

        $this->setData('zone', $this->data_zone);
        $this->setData('can_delete', $this->canDeleteZone());

        $this->submitEditZone();
        $this->outputEditZone();
    }