/**
* Gets the first child of the item
* @param LayoutContent $item The item
* @return LayoutContent Returns the first child
*/
public function FirstChildOf($item)
{
if ($item) {
$sql = Access::SqlBuilder();
$tbl = LayoutContent::Schema()->Table();
$where = $sql->Equals($tbl->Field('Parent'), $sql->Value($item->GetID()))->And_($sql->IsNull($tbl->Field('Previous')));
return LayoutContent::Schema()->First($where);
} else {
return $this->TopMost();
}
}
protected function Init()
{
$this->area = new Area(Request::GetData('area'));
$selectedID = Request::GetData('selected');
$this->selected = $selectedID ? LayoutContent::Schema()->ByID($selectedID) : null;
if (!$this->area->Exists()) {
Response::Redirect(BackendRouter::ModuleUrl(new LayoutList()));
return true;
}
$this->tree = new LayoutContentTreeProvider($this->area);
$this->layoutContent = $this->tree->TopMost();
$this->hasContents = (bool) $this->layoutContent;
return parent::Init();
}
protected function TableSchema()
{
return LayoutContent::Schema();
}
/**
* Gets the last area modification log item
* @param Area $area The area
* @return LogItem Returns the last log item that changed anything related to the area
*/
static function LastAreaModLog(Area $area, Interfaces\IContainerReferenceResolver $resolver)
{
$lastLog = $this->LastAreaLog($area);
$areaContents = LayoutContent::Schema()->FetchByArea(false, $area);
foreach ($areaContents as $areaContent) {
$content = $areaContent->GetContent();
$contentLog = self::LastContentModLog($content, $resolver);
if (self::IsAfter($contentLog, $lastLog)) {
$lastLog = $contentLog;
}
}
return $lastLog;
}
