protected function setFilters()
{
// Sorting filter
$sortingOptions = array('K2_NONE' => '', 'K2_ID_ASC' => 'id', 'K2_ID_DESC' => 'id.reverse', 'K2_NAME_ASC' => 'name', 'K2_NAME_DESC' => 'name.reverse', 'K2_USERNAME_ASC' => 'username', 'K2_USERNAME_DESC' => 'username.reverse', 'K2_EMAIL_ASC' => 'email', 'K2_EMAIL_DESC' => 'email.reverse', 'K2_LAST_VISIT_ASC' => 'lastvisitDate', 'K2_LAST_VISIT_DESC' => 'lastvisitDate.reverse', 'K2_IP_ASC' => 'ip', 'K2_IP_DESC' => 'ip.reverse', 'K2_HOSTNAME_ASC' => 'hostname', 'K2_HOSTNAME_DESC' => 'hostname.reverse');
// Sorting filter
K2Response::addFilter('sorting', JText::_('K2_SORT_BY'), K2HelperHTML::sorting($sortingOptions), false, 'header');
// Group filter
K2Response::addFilter('group', JText::_('K2_GROUP'), K2HelperHTML::usergroups('group', null, 'K2_ANY'), false, 'header');
// Search filter
K2Response::addFilter('search', JText::_('K2_SEARCH'), K2HelperHTML::search(), false, 'sidebar');
}
