public function onAfterWrite()
{
parent::onAfterWrite();
// If this is not attached to a group, find the first group prior to this
// with no end attached
$group = $this->Group();
if (!($group && $group->exists()) && $this->ParentID) {
$group = EditableFieldGroup::get()->filter(array('ParentID' => $this->ParentID, 'Sort:LessThanOrEqual' => $this->Sort))->where('"EditableFieldGroup"."EndID" IS NULL OR "EditableFieldGroup"."EndID" = 0')->sort('"Sort" DESC')->first();
// When a group is found, attach it to this end
if ($group) {
$group->EndID = $this->ID;
$group->write();
}
}
}
