/**
* Returns name of hierarchy for currently loaded row or, if specified, row identified by optional $pn_id parameter
*/
public function getHierarchyName($pn_id = null)
{
if (!$pn_id) {
$pn_id = $this->getPrimaryKey();
}
$va_ancestors = $this->getHierarchyAncestors($pn_id, array('idsOnly' => true));
if (is_array($va_ancestors) && sizeof($va_ancestors)) {
$vn_parent_id = array_pop($va_ancestors);
$t_stop = new ca_tour_stops($vn_parent_id);
return $t_stop->getLabelForDisplay(false);
} else {
if ($pn_id == $this->getPrimaryKey()) {
return $this->getLabelForDisplay(true);
} else {
$t_stop = new ca_tour_stops($pn_id);
return $t_stop->getLabelForDisplay(false);
}
}
}
