/**
  * set user language
  */
 function setUserLanguageObject()
 {
     $this->lng->loadLanguageModule("meta");
     require_once './Services/User/classes/class.ilObjUser.php';
     if (!isset($_POST["id"])) {
         $this->ilias->raiseError($this->lng->txt("no_checkbox"), $this->ilias->error_obj->MESSAGE);
     }
     if (count($_POST["id"]) != 1) {
         $this->ilias->raiseError($this->lng->txt("choose_only_one_language") . "<br/>" . $this->lng->txt("action_aborted"), $this->ilias->error_obj->MESSAGE);
     }
     $obj_id = $_POST["id"][0];
     $newUserLangObj = new ilObjLanguage($obj_id);
     if ($newUserLangObj->isUserLanguage()) {
         $this->ilias->raiseError($this->lng->txt("meta_l_" . $newUserLangObj->getKey()) . " " . $this->lng->txt("is_already_your") . " " . $this->lng->txt("user_language") . "<br/>" . $this->lng->txt("action_aborted"), $this->ilias->error_obj->MESSAGE);
     }
     if ($newUserLangObj->isInstalled() == false) {
         $this->ilias->raiseError($this->lng->txt("meta_l_" . $newUserLangObj->getKey()) . " " . $this->lng->txt("language_not_installed") . "<br/>" . $this->lng->txt("action_aborted"), $this->ilias->error_obj->MESSAGE);
     }
     $curUser = new ilObjUser($_SESSION["AccountId"]);
     $curUser->setLanguage($newUserLangObj->getKey());
     $curUser->update();
     //$this->setUserLanguage($new_lang_key);
     $this->data = $this->lng->txt("user_language") . " " . $this->lng->txt("changed_to") . " " . $this->lng->txt("meta_l_" . $newUserLangObj->getKey()) . ".";
     $this->out();
 }