/**
* Method nodeValueAlreadyExists
* @access private
* @param TreeViewItem $treeview_item_object
* @return boolean
* @since 1.0.55
*/
private function nodeValueAlreadyExists($treeview_item_object)
{
for ($i = 0; $i < sizeof($this->treeview_items); $i++) {
if ($this->treeview_items[$i]->getValue() == $treeview_item_object->getValue()) {
return true;
}
}
return false;
}
