/**
  * Save item
  */
 function saveItem()
 {
     $it = new ilBasicSkill();
     $it->setTitle($this->form->getInput("title"));
     $it->setOrderNr($this->form->getInput("order_nr"));
     $it->setDraft($this->form->getInput("draft"));
     $it->setSelfEvaluation($_POST["self_eval"]);
     $it->create();
     ilSkillTreeNode::putInTree($it, (int) $_GET["obj_id"], IL_LAST_NODE);
     $this->node_object = $it;
 }