public function PreviousItem()
{
if ($currentItem = $this->HelpItem()) {
return AdminHelp::get()->filter(array('ParentID' => $currentItem->ParentID, 'Sort' => $currentItem->Sort - 1))->first();
}
}
/**
* Find a AdminHelp record by UniqueIdentifier
*
* @param string $uid
* @return DataObject
*/
public static function by_uid($uid)
{
return AdminHelp::get()->filter('UniqueIdentifier', $uid)->first();
}
public static function help_link($uid)
{
return Controller::join_links('/admin/admin-help/show/help', AdminHelp::by_uid($uid)->ID);
}
public function HelpLink()
{
return AdminHelp::by_uid($this->uid)->Link();
}
public function RootHelpItems()
{
return AdminHelp::get()->filter('ParentID', 0);
}
public function HelpItem()
{
return AdminHelp::by_uid($this->uid);
}
