/**
* Build an array tree from a given navigation item.
*
* Works by taking a node and attaches the children
*/
private function get_tree_down($navitem)
{
$children = new Model_Nav();
$children->where('parent = ?', $navitem->get('itemid'));
$childs = array();
foreach ($children->getAll() as $child) {
$childs[] = $this->get_tree_down($child);
}
if (!empty($childs)) {
$navitem['children'] = $childs;
}
return $navitem;
}
