/**
  * create new media object in dom and update page in db
  */
 function &create($a_create_alias = true, $a_change_obj_ref = false)
 {
     global $ilCtrl, $lng;
     if ($_GET["subCmd"] == "insertFromPool") {
         if (is_array($_POST["id"])) {
             for ($i = count($_POST["id"]) - 1; $i >= 0; $i--) {
                 include_once "./Modules/MediaPool/classes/class.ilMediaPoolItem.php";
                 $fid = ilMediaPoolItem::lookupForeignId($_POST["id"][$i]);
                 include_once "./Services/COPage/classes/class.ilPCMediaObject.php";
                 $this->content_obj = new ilPCMediaObject($this->getPage());
                 $this->content_obj->readMediaObject($fid);
                 $this->content_obj->createAlias($this->pg_obj, $_GET["hier_id"], $this->pc_id);
             }
             $this->updated = $this->pg_obj->update();
         }
         $ilCtrl->returnToParent($this);
     }
     // check form input
     $mob_gui = new ilObjMediaObjectGUI("");
     $mob_gui->initForm("create");
     if (!$mob_gui->checkFormInput()) {
         $this->form = $mob_gui->getForm();
         $this->insert("edpost", "create_mob", true);
         return;
     }
     // create dummy object in db (we need an id)
     include_once "./Services/COPage/classes/class.ilPCMediaObject.php";
     if ($a_change_obj_ref != true) {
         $this->content_obj = new ilPCMediaObject($this->getPage());
     }
     $this->content_obj->createMediaObject();
     $media_obj = $this->content_obj->getMediaObject();
     include_once "./Services/MediaObjects/classes/class.ilObjMediaObjectGUI.php";
     ilObjMediaObjectGUI::setObjectPerCreationForm($media_obj);
     if ($a_create_alias) {
         // need a pcmediaobject here
         //$this->node = $this->createPageContentNode();
         $this->content_obj->createAlias($this->pg_obj, $this->hier_id, $this->pc_id);
         $this->updated = $this->pg_obj->update();
         if ($this->updated === true) {
             $this->pg_obj->stripHierIDs();
             $this->pg_obj->addHierIDs();
             $ilCtrl->setParameter($this, "hier_id", $this->content_obj->readHierId());
             $ilCtrl->setParameter($this, "pc_id", $this->content_obj->readPCId());
             $this->content_obj->setHierId($this->content_obj->readHierId());
             $this->setHierId($this->content_obj->readHierId());
             $this->content_obj->setPCId($this->content_obj->readPCId());
             ilUtil::sendSuccess($lng->txt("saved_media_object"), true);
             $this->ctrl->redirectByClass("ilobjmediaobjectgui", "edit");
             //$this->ctrl->returnToParent($this, "jump".$this->hier_id);
         } else {
             $this->insert();
         }
     } else {
         if ($a_change_obj_ref == true) {
             $this->content_obj->updateObjectReference();
             $this->updated = $this->pg_obj->update();
             $this->ctrl->redirect($this, "editAlias");
         }
         return $this->content_obj;
     }
 }
 /**
  * create new media object in dom and update page in db
  */
 function saveObject()
 {
     global $tpl, $lng;
     $this->initForm();
     if ($this->form_gui->checkInput()) {
         $this->object = new ilObjMediaObject();
         ilObjMediaObjectGUI::setObjectPerCreationForm($this->object);
         ilUtil::sendSuccess($lng->txt("saved_media_object"), true);
         return $this->object;
     } else {
         $this->form_gui->setValuesByPost();
         $tpl->setContent($this->form_gui->getHTML());
         return false;
     }
 }