/**
* 修改一条导航信息
*
* @param object $dm导航数据模型
* @return array
*/
public function updateNav(PwNavDm $dm)
{
$resource = $dm->beforeUpdate();
if ($resource instanceof PwError) {
return $resource;
}
$data = $dm->getData();
$data['rootid'] = $data['parentid'] ? $data['parentid'] : $dm->navid;
return $this->_getNavDao()->updateNav($dm->navid, $data);
}
