/**
* Recursively find all the child items that need to be listed
*
* @param DataObject $parent
* @param int $depth
*/
protected function getIdsFrom($parent, $depth)
{
if ($depth >= $this->Depth) {
return;
}
$ids = array();
foreach ($parent->Children() as $kid) {
$ids[] = $kid->ID;
$childIds = $this->getIdsFrom($kid, $depth + 1);
if ($childIds) {
$ids = array_merge($ids, $childIds);
}
}
return $ids;
}