/**
  * Insert Chapter from clipboard
  */
 function insertChapterClip()
 {
     global $ilUser, $ilCtrl, $ilLog;
     include_once "./Modules/LearningModule/classes/class.ilChapterHierarchyFormGUI.php";
     $node_id = ilChapterHierarchyFormGUI::getPostNodeId();
     $first_child = ilChapterHierarchyFormGUI::getPostFirstChild();
     $ilLog->write("InsertChapterClip, num: {$num}, node_id: {$node_id}, " . " getPostFirstChild " . ilChapterHierarchyFormGUI::getPostFirstChild());
     if (!$first_child) {
         $parent_id = $this->lm_tree->getParentId($node_id);
         $target = $node_id;
     } else {
         $parent_id = $node_id;
         $target = IL_FIRST_NODE;
     }
     // copy and paste
     $chapters = $ilUser->getClipboardObjects("st", true);
     $copied_nodes = array();
     foreach ($chapters as $chap) {
         $ilLog->write("Call pasteTree, Target LM: " . $this->object->getId() . ", Chapter ID: " . $chap["id"] . ", Parent ID: " . $parent_id . ", Target: " . $target);
         $cid = ilLMObject::pasteTree($this->object, $chap["id"], $parent_id, $target, $chap["insert_time"], $copied_nodes, ilEditClipboard::getAction() == "copy");
         $target = $cid;
     }
     ilLMObject::updateInternalLinks($copied_nodes);
     if (ilEditClipboard::getAction() == "cut") {
         $ilUser->clipboardDeleteObjectsOfType("pg");
         $ilUser->clipboardDeleteObjectsOfType("st");
         ilEditClipboard::clear();
     }
     $this->object->checkTree();
     $ilCtrl->redirect($this, "chapters");
 }
 /**
  * Insert pages from clipboard
  */
 function insertPageClip()
 {
     global $ilCtrl, $ilUser;
     include_once "./Modules/LearningModule/classes/class.ilChapterHierarchyFormGUI.php";
     $node_id = ilChapterHierarchyFormGUI::getPostNodeId();
     $first_child = ilChapterHierarchyFormGUI::getPostFirstChild();
     if (!$first_child) {
         $parent_id = $this->tree->getParentId($node_id);
         $target = $node_id;
     } else {
         $parent_id = $node_id;
         $target = IL_FIRST_NODE;
     }
     // cut and paste
     $pages = $ilUser->getClipboardObjects("pg");
     $copied_nodes = array();
     foreach ($pages as $pg) {
         $cid = ilLMObject::pasteTree($this->content_object, $pg["id"], $parent_id, $target, $pg["insert_time"], $copied_nodes, ilEditClipboard::getAction() == "copy");
         $target = $cid;
     }
     ilLMObject::updateInternalLinks($copied_nodes);
     if (ilEditClipboard::getAction() == "cut") {
         $ilUser->clipboardDeleteObjectsOfType("pg");
         $ilUser->clipboardDeleteObjectsOfType("st");
         ilEditClipboard::clear();
     }
     $ilCtrl->redirect($this, "view");
 }