public function editPage($page_id = null)
    {
        $this->setPage($page_id);
        $this->setTitleEditPage();
        $this->setBreadcrumbEditPage();

        $this->setData('page', $this->data_page);
        $this->setData('languages', $this->language->getList(array('enabled' => true)));

        $this->submitEditPage();
        $this->setDataImagesEditPage();
        $this->setDataCategoriesEditPage();
        $this->outputEditPage();
    }