<?php
/*
 * $RCSfile: Callbacks.inc,v $
 *
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2005 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
class CheckoutCallbacks {
    /**
     */
    function callback($params, &$smarty, $callback, $userId=null) {
        global $gallery;

        switch($callback) {
            case 'countCheckoutItems':
                /* The cart contents' count */
                GalleryCoreApi::requireOnce('modules/checkout/classes/CheckoutHelper.class');
                list ($ret, $total) = CheckoutHelper::countCheckoutItems();
                if ($ret) {
                    return array($ret->wrap(__FILE__, __LINE__), null);
                }

                $block =& $smarty->_tpl_vars['block'];
                $block['checkout']['ShowCart']['total'] = $total;
                
                return null;
        }

        return GalleryCoreApi::error(ERROR_BAD_PARAMETER, __FILE__, __LINE__);
    }
}
?>