private function duplicateTaxonomyFromPoolToTest($poolTaxonomyId)
 {
     $testTaxonomy = new ilObjTaxonomy();
     $testTaxonomy->create();
     $poolTaxonomy = new ilObjTaxonomy($poolTaxonomyId);
     $poolTaxonomy->doCloneObject($testTaxonomy, null, null);
     $poolTaxonomy->getTree()->readRootId();
     $testTaxonomy->getTree()->readRootId();
     $testTaxonomy->update();
     ilObjTaxonomy::saveUsage($testTaxonomy->getId(), $this->testOBJ->getId());
     $this->duplicatedTaxonomiesKeysMap->addDuplicatedTaxonomy($poolTaxonomy, $testTaxonomy);
 }
 /**
  * Delete taxonomy nodes
  */
 function confirmedDelete()
 {
     global $ilCtrl;
     include_once "./Services/Taxonomy/classes/class.ilTaxonomyNode.php";
     // delete all selected objects
     foreach ($_POST["id"] as $id) {
         $node = new ilTaxonomyNode($id);
         $tax = new ilObjTaxonomy($node->getTaxonomyId());
         $tax_tree = $tax->getTree();
         $node_data = $tax_tree->getNodeData($id);
         if (is_object($node)) {
             $node->delete();
         }
         if ($tax_tree->isInTree($id)) {
             $tax_tree->deleteTree($node_data);
         }
         ilTaxonomyNode::fixOrderNumbers($node->getTaxonomyId(), $node_data["parent"]);
     }
     // feedback
     ilUtil::sendInfo($this->lng->txt("info_deleted"), true);
     $ilCtrl->redirect($this, "listNodes");
 }