/**
* increase position
* @param int $id
* @return boolean
*/
public function onDown($id)
{
$navigation = GWF_Navigation::getByID($id);
$upid = $navigation->getID() + 1;
$up = GWF_Navigation::getByID($upid);
if (false === $up->increase('navi_position', -1)) {
return false;
}
return $navigation->increase('navi_position');
}
/**
* Recursive remove a Navigation
* @param string|int Name or id
* @return boolean
*/
public static function deleteNavigation($navi)
{
if (is_numeric($navi)) {
$nid = $navi;
$navis = self::getByID($nid);
} else {
$navis = self::getByName($navi);
$nid = $navis->getID();
}
if (false === GWF_Navigation::onDelete($nid, $navis->isnotPB())) {
return false;
}
return self::getByID($nid)->delete();
}
