/**
* Returns the top most area
* @return Area
*/
public function TopMost()
{
$sql = Access::SqlBuilder();
$tblArea = Area::Schema()->Table();
$where = $sql->Equals($tblArea->Field('Layout'), $sql->Value($this->layout->GetID()))->And_($sql->IsNull($tblArea->Field('Previous')));
return Area::Schema()->First($where);
}
/**
* Initializes the areas and stores them in a list with area names as keys
*/
private function InitAreas()
{
$sql = Access::SqlBuilder();
$tbl = Area::Schema()->Table();
$where = $sql->Equals($tbl->Field('Layout'), $sql->Value($this->layout->GetID()))->And_($sql->IsNull($tbl->Field('Previous')));
$area = Area::Schema()->First($where);
while ($area) {
$this->areas[$area->GetName()] = $area;
$area = Area::Schema()->ByPrevious($area);
}
}
/**
* Gets the last layout modification log item
* @param Layout $layout The layout
* @return LogItem Returns the last log item that changed anything related to the layout
*/
static function LastLayoutModLog(Layout $layout)
{
$lastLog = $this->LastLayoutLog($layout);
$areas = Area::Schema()->FetchByLayout(false, $layout);
foreach ($areas as $area) {
$areaLog = self::LastAreaModLog($area);
if (self::IsAfter($areaLog, $lastLog)) {
$lastLog = $areaLog;
}
}
return $lastLog;
}
private function AreaNameExists($name)
{
$sql = Access::SqlBuilder();
$tblArea = Area::Schema()->Table();
$where = $sql->Equals($tblArea->Field('Layout'), $sql->Value($this->layout->GetID()))->And_($sql->Equals($tblArea->Field('Name'), $sql->Value($name)));
return Area::Schema()->Count(false, $where) > 0;
}
protected function TableSchema()
{
return Area::Schema();
}
