/**
* @param Element_Interface $target the parent element
* @param Element_Interface $new the newly inserted child
* @return void
*/
protected function updateChilds($target, $new)
{
if (is_array($target->getChilds())) {
//check in case of recursion
$found = false;
foreach ($target->getChilds() as $child) {
if ($child->getId() == $new->getId()) {
$found = true;
}
}
if (!$found) {
$target->setChilds(array_merge($target->getChilds(), array($new)));
}
} else {
$target->setChilds(array($new));
}
}
