function listing()
{
$user = JFactory::getUser();
if ($user->guest) {
$app = JFactory::getApplication();
$app->enqueueMessage(JText::_('PLEASE_LOGIN_FIRST'));
global $Itemid;
$url = '';
if (!empty($Itemid)) {
$url = '&Itemid=' . $Itemid;
}
if (version_compare(JVERSION, '1.6', '<')) {
$url = 'index.php?option=com_user&view=login' . $url;
} else {
$url = 'index.php?option=com_users&view=login' . $url;
}
$app->redirect(JRoute::_($url . '&return=' . urlencode(base64_encode(hikashop_currentUrl('', false))), false));
return false;
}
return parent::listing();
}