Pressbooks\Catalog::addMenu PHP Метод

    static function addMenu()
    {
        switch (@$_REQUEST['action']) {
            case 'edit_profile':
            case 'edit_tags':
                require PB_PLUGIN_DIR . 'templates/admin/catalog.php';
                break;
            case 'add':
            case 'remove':
                // This should not happen, formSubmit() is supposed to catch this
                break;
            default:
                Admin\Catalog_List_Table::addMenu();
                break;
        }
    }