public static function calculateId($widget)
{
$dc = kDataCenterMgr::getCurrentDc();
for ($i = 0; $i < 10; ++$i) {
$id = $dc["id"] . '_' . kString::generateStringId();
$existing_widget = widgetPeer::retrieveByPk($id);
if (!$existing_widget) {
return $id;
}
}
die;
}