/**
  * Show delete confirmation
  */
 public function delete()
 {
     global $tpl, $ilSetting, $ilErr;
     $this->ctrl->setReturnByClass(get_class($this->getContainer()), '');
     $to_delete = array();
     if ((int) $_GET['item_ref_id']) {
         $to_delete = array((int) $_GET['item_ref_id']);
     }
     if (isset($_POST['id']) and is_array($_POST['id'])) {
         $to_delete = $_POST['id'];
     }
     if (!$to_delete) {
         $ilErr->raiseError($this->lng->txt('no_checkbox'), $ilErr->MESSAGE);
     }
     include_once './Services/Utilities/classes/class.ilConfirmationGUI.php';
     $confirm = new ilConfirmationGUI();
     $confirm->setFormAction($this->ctrl->getFormActionByClass(get_class($this->getContainer()), 'cancel'));
     $confirm->setHeaderText('');
     $confirm->setCancel($this->lng->txt('cancel'), 'cancelDelete');
     $confirm->setConfirm($this->lng->txt('delete'), 'performDelete');
     foreach ($to_delete as $delete) {
         $obj_id = ilObject::_lookupObjId($delete);
         $type = ilObject::_lookupType($obj_id);
         $confirm->addItem('id[]', $delete, call_user_func(array(ilObjectFactory::getClassByType($type), '_lookupTitle'), $obj_id), ilUtil::getTypeIconPath($type, $obj_id));
     }
     $msg = $this->lng->txt("info_delete_sure");
     if (!$ilSetting->get('enable_trash')) {
         $msg .= "<br/>" . $this->lng->txt("info_delete_warning_no_trash");
     }
     ilUtil::sendQuestion($msg);
     $tpl->setContent($confirm->getHTML());
 }

 public function run()
 {
     if (!$this->enabled) {
         return;
     }
     global $rbacreview;
     $usr_ids = ilObjUser::_getUserIdsByInactivationPeriod($this->period);
     foreach ($usr_ids as $usr_id) {
         if ($usr_id == ANONYMOUS_USER_ID || $usr_id == SYSTEM_USER_ID) {
             continue;
         }
         $continue = true;
         foreach ($this->include_roles as $role_id) {
             if ($rbacreview->isAssigned($usr_id, $role_id)) {
                 $continue = false;
                 break;
             }
         }
         if ($continue) {
             continue;
         }
         $user = ilObjectFactory::getInstanceByObjId($usr_id);
         $user->delete();
     }
 }

 /**
  * Import XML
  *
  * @param
  * @return
  */
 function importXmlRepresentation($a_entity, $a_id, $a_xml, $a_mapping)
 {
     include_once './Modules/Category/classes/class.ilObjCategory.php';
     if ($new_id = $a_mapping->getMapping('Services/Container', 'objs', $a_id)) {
         $refs = ilObject::_getAllReferences($new_id);
         $this->category = ilObjectFactory::getInstanceByRefId(end($refs), false);
     } elseif ($new_id = $a_mapping->getMapping('Services/Container', 'refs', 0)) {
         $this->category = ilObjectFactory::getInstanceByRefId($new_id, false);
     } elseif (!$this->category instanceof ilObjCategory) {
         $this->category = new ilObjCategory();
         $this->category->create(true);
     }
     include_once './Modules/Category/classes/class.ilCategoryXmlParser.php';
     try {
         $parser = new ilCategoryXmlParser($a_xml, 0);
         $parser->setCategory($this->category);
         $parser->setMode(ilCategoryXmlParser::MODE_UPDATE);
         $parser->startParsing();
         $a_mapping->addMapping('Modules/Category', 'cat', $a_id, $this->category->getId());
     } catch (ilSaxParserException $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     } catch (Excpetion $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     }
     foreach ($a_mapping->getMappingsOfEntity('Services/Container', 'objs') as $old => $new) {
         $type = ilObject::_lookupType($new);
         // see ilGlossaryImporter::importXmlRepresentation()
         // see ilTaxonomyDataSet::importRecord()
         $a_mapping->addMapping("Services/Taxonomy", "tax_item", $type . ":obj:" . $old, $new);
         // this is since 4.3 does not export these ids but 4.4 tax node assignment needs it
         $a_mapping->addMapping("Services/Taxonomy", "tax_item_obj_id", $type . ":obj:" . $old, $new);
     }
 }

 function getStructureObjects($sid, $ref_id)
 {
     $this->initAuth($sid);
     $this->initIlias();
     if (!$this->__checkSession($sid)) {
         return $this->__raiseError($this->__getMessage(), $this->__getMessageCode());
     }
     if (!($target_obj =& ilObjectFactory::getInstanceByRefId($ref_id, false))) {
         return $this->__raiseError('No valid reference id given.', 'Client');
     }
     $structureReaderClassname = "ilSoap" . strtoupper($target_obj->getType()) . "StructureReader";
     $filename = "./webservice/soap/classes/class." . $structureReaderClassname . ".php";
     if (!file_exists($filename)) {
         return $this->__raiseError("Object type '" . $target_obj->getType() . "'is not supported.", 'Client');
     }
     include_once $filename;
     $structureReader = new $structureReaderClassname($target_obj);
     include_once './webservice/soap/classes/class.ilSoapStructureObjectXMLWriter.php';
     $xml_writer = new ilSoapStructureObjectXMLWriter();
     $structureObject =& $structureReader->getStructureObject();
     $xml_writer->setStructureObject($structureObject);
     if (!$xml_writer->start()) {
         return $this->__raiseError('Cannot create object xml !', 'Server');
     }
     return $xml_writer->getXML();
 }

 function showMoveCopyQuestion()
 {
     $tempobj = ilObjectFactory::getInstanceByRefId($_GET["ref_id"]);
     $source_obj = ilLMObjectFactory::getInstance($tempobj, $_GET["sourceId"], true);
     $source_obj->setLMId($tempobj->getId());
     $target_obj = ilLMObjectFactory::getInstance($tempobj, $_GET["targetId"], true);
     $target_obj->setLMId($tempobj->getId());
     //vd($source_obj->getType());
     //vd($target_obj->getType());
     $this->tpl = new ilTemplate("tpl.wysiwyg_popup_movecopyquestion.html", false, true, "Services/COPage");
     $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation());
     if ($source_obj->getType() == "st" && $target_obj->getType() == "pg") {
         $this->tpl->setVariable("TXT_ST_ON_PG", $this->lng->txt("cont_st_on_pg"));
         $this->tpl->setVariable("BTN_CLOSE2", $this->lng->txt("close"));
     } else {
         if ($source_obj->getType() == "pg" && $target_obj->getType() == "pg" || $source_obj->getType() == "st" && $target_obj->getType() == "st") {
             $this->tpl->setVariable("TXT_SET_AFTER", $this->lng->txt("cont_set_after"));
             $this->tpl->setVariable("TXT_SET_BEFORE", $this->lng->txt("cont_set_before"));
         }
         if ($source_obj->getType() == "st" && $target_obj->getType() == "st") {
             $this->tpl->setVariable("TXT_SET_INTO", $this->lng->txt("cont_set_into"));
         }
         $this->tpl->setVariable("TXT_MOVE_OBJECT", $this->lng->txt("cont_move_object"));
         $this->tpl->setVariable("TXT_COPY_OBJECT", $this->lng->txt("cont_copy_object"));
         $this->tpl->setVariable("BTN_SUBMIT", $this->lng->txt("save"));
         $this->tpl->setVariable("BTN_CLOSE", $this->lng->txt("close"));
     }
 }

 /**
  * clone objectives
  *
  * @access public
  * @param int target id
  * @param int copy id
  * 
  */
 public function ilClone($a_target_id, $a_copy_id)
 {
     global $ilLog;
     $ilLog->write(__METHOD__ . ': Start cloning learning objectives...');
     $query = "SELECT * FROM crs_objectives " . "WHERE crs_id  = " . $this->db->quote($this->course_obj->getId(), 'integer') . ' ' . "ORDER BY position ";
     $res = $this->db->query($query);
     if (!$res->numRows()) {
         $ilLog->write(__METHOD__ . ': ... no objectives found.');
         return true;
     }
     if (!is_object($new_course = ilObjectFactory::getInstanceByRefId($a_target_id, false))) {
         $ilLog->write(__METHOD__ . ': Cannot init new course object.');
         return true;
     }
     while ($row = $res->fetchRow(DB_FETCHMODE_OBJECT)) {
         $new_objective = new ilCourseObjective($new_course);
         $new_objective->setTitle($row->title);
         $new_objective->setDescription($row->description);
         $objective_id = $new_objective->add();
         $ilLog->write(__METHOD__ . ': Added new objective nr: ' . $objective_id);
         // Clone crs_objective_tst entries
         include_once 'Modules/Course/classes/class.ilCourseObjectiveQuestion.php';
         $objective_qst = new ilCourseObjectiveQuestion($row->objective_id);
         $objective_qst->cloneDependencies($objective_id, $a_copy_id);
         $ilLog->write(__METHOD__ . ': Finished objective question dependencies: ' . $objective_id);
         // Clone crs_objective_lm entries (assigned course materials)
         include_once 'Modules/Course/classes/class.ilCourseObjectiveMaterials.php';
         $objective_material = new ilCourseObjectiveMaterials($row->objective_id);
         $objective_material->cloneDependencies($objective_id, $a_copy_id);
     }
     $ilLog->write(__METHOD__ . ': Finished cloning objectives.');
 }

 /**
  * Import XML
  *
  * @param
  * @return
  */
 function importXmlRepresentation($a_entity, $a_id, $a_xml, $a_mapping)
 {
     include_once './Modules/Group/classes/class.ilObjGroup.php';
     if ($new_id = $a_mapping->getMapping('Services/Container', 'objs', $a_id)) {
         $refs = ilObject::_getAllReferences($new_id);
         $this->group = ilObjectFactory::getInstanceByRefId(end($refs), false);
         #$this->group = ilObjectFactory::getInstanceByObjId($new_id,false);
     } elseif ($new_id = $a_mapping->getMapping('Services/Container', 'refs', 0)) {
         $this->group = ilObjectFactory::getInstanceByRefId($new_id, false);
     } elseif (!$this->group instanceof ilObjGroup) {
         $this->group = new ilObjGroup();
         $this->group->create(true);
     }
     include_once './Modules/Group/classes/class.ilGroupXMLParser.php';
     #$GLOBALS['ilLog']->write($a_xml);
     try {
         $parser = new ilGroupXMLParser($a_xml, 0);
         $parser->setGroup($this->group);
         $parser->setMode(ilGroupXMLParser::$UPDATE);
         $parser->startParsing();
         $a_mapping->addMapping('Modules/Group', 'grp', $a_id, $this->group->getId());
     } catch (ilSaxParserException $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     } catch (ilWebLinkXMLParserException $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     }
 }

 protected function resetCustomLPDataForUserIds(array $a_user_ids, $a_recursive = true)
 {
     /* @var ilObjTest $testOBJ */
     require_once 'Services/Object/classes/class.ilObjectFactory.php';
     $testOBJ = ilObjectFactory::getInstanceByObjId($this->obj_id);
     $testOBJ->removeTestResults($a_user_ids);
     // :TODO: there has to be a better way
     $test_ref_id = (int) $_REQUEST["ref_id"];
     if ($test_ref_id) {
         require_once "Modules/Course/classes/Objectives/class.ilLOSettings.php";
         $course_obj_id = ilLOSettings::isObjectiveTest($test_ref_id);
         if ($course_obj_id) {
             // is test initial and/or qualified?
             $lo_settings = ilLOSettings::getInstanceByObjId($course_obj_id);
             $is_i = $lo_settings->getInitialTest() == $test_ref_id;
             $is_q = $lo_settings->getQualifiedTest() == $test_ref_id;
             // remove objective results data
             require_once "Modules/Course/classes/Objectives/class.ilLOUserResults.php";
             ilLOUserResults::deleteResultsFromLP($course_obj_id, $a_user_ids, $is_i, $is_q);
             // refresh LP - see ilLPStatusWrapper::_updateStatus()
             require_once "Services/Tracking/classes/class.ilLPStatusFactory.php";
             $lp_status = ilLPStatusFactory::_getInstance($course_obj_id);
             if (strtolower(get_class($lp_status)) != "illpstatus") {
                 foreach ($a_user_ids as $user_id) {
                     $lp_status->_updateStatus($course_obj_id, $user_id);
                 }
             }
         }
     }
 }

 function check()
 {
     global $ilObjDataCache, $ilUser;
     include_once './Services/LinkChecker/classes/class.ilLinkChecker.php';
     foreach (ilUtil::_getObjectsByOperations('webr', 'write', $ilUser->getId(), -1) as $node) {
         if (!is_object($tmp_webr =& ilObjectFactory::getInstanceByRefId($node, false))) {
             continue;
         }
         $tmp_webr->initLinkResourceItemsObject();
         // Set all link to valid. After check invalid links will be set to invalid
         $link_checker =& new ilLinkChecker($this->db);
         $link_checker->setMailStatus(true);
         $link_checker->setCheckPeriod($this->__getCheckPeriod());
         $link_checker->setObjId($tmp_webr->getId());
         $tmp_webr->items_obj->updateValidByCheck($this->__getCheckPeriod());
         foreach ($link_checker->checkWebResourceLinks() as $invalid) {
             $tmp_webr->items_obj->readItem($invalid['page_id']);
             $tmp_webr->items_obj->setActiveStatus(false);
             $tmp_webr->items_obj->setValidStatus(false);
             $tmp_webr->items_obj->setDisableCheckStatus(true);
             $tmp_webr->items_obj->setLastCheckDate(time());
             $tmp_webr->items_obj->update(false);
         }
         $tmp_webr->items_obj->updateLastCheck($this->__getCheckPeriod());
         foreach ($link_checker->getLogMessages() as $message) {
             $this->log->write($message);
         }
     }
     return true;
 }

 /**
  * Import XML
  *
  * @param
  * @return
  */
 function importXmlRepresentation($a_entity, $a_id, $a_xml, $a_mapping)
 {
     include_once './Modules/Course/classes/class.ilCourseXMLParser.php';
     include_once './Modules/Course/classes/class.ilObjCourse.php';
     if ($new_id = $a_mapping->getMapping('Services/Container', 'objs', $a_id)) {
         $refs = ilObject::_getAllReferences($new_id);
         $this->course = ilObjectFactory::getInstanceByRefId(end($refs), false);
         #$this->course = ilObjectFactory::getInstanceByObjId($new_id,false);
     } elseif ($new_id = $a_mapping->getMapping('Services/Container', 'refs', 0)) {
         $this->course = ilObjectFactory::getInstanceByRefId($new_id, false);
     } elseif (!$this->course instanceof ilObjCourse) {
         $this->course = new ilObjCourse();
         $this->course->create(true);
     }
     try {
         $parser = new ilCourseXMLParser($this->course);
         $parser->setXMLContent($a_xml);
         $parser->startParsing();
         $a_mapping->addMapping('Modules/Course', 'crs', $a_id, $this->course->getId());
     } catch (ilSaxParserException $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     } catch (Exception $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     }
 }

 /**
  * Import XML
  *
  * @param
  * @return
  */
 function importXmlRepresentation($a_entity, $a_id, $a_xml, $a_mapping)
 {
     include_once './Modules/Category/classes/class.ilObjCategory.php';
     if ($new_id = $a_mapping->getMapping('Services/Container', 'objs', $a_id)) {
         $refs = ilObject::_getAllReferences($new_id);
         $this->category = ilObjectFactory::getInstanceByRefId(end($refs), false);
     } elseif ($new_id = $a_mapping->getMapping('Services/Container', 'refs', 0)) {
         $this->category = ilObjectFactory::getInstanceByRefId($new_id, false);
     } elseif (!$this->category instanceof ilObjCategory) {
         $this->category = new ilObjCategory();
         $this->category->create(true);
     }
     include_once './Modules/Category/classes/class.ilCategoryXmlParser.php';
     try {
         $parser = new ilCategoryXmlParser($a_xml, 0);
         $parser->setCategory($this->category);
         $parser->setMode(ilCategoryXmlParser::MODE_UPDATE);
         $parser->startParsing();
         $a_mapping->addMapping('Modules/Category', 'cat', $a_id, $this->category->getId());
     } catch (ilSaxParserException $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     } catch (Excpetion $e) {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Parsing failed with message, "' . $e->getMessage() . '".');
     }
 }

 public function run()
 {
     global $rbacreview;
     $status = ilCronJobResult::STATUS_NO_ACTION;
     $usr_ids = ilObjUser::_getUserIdsByInactivityPeriod($this->period);
     $counter = 0;
     foreach ($usr_ids as $usr_id) {
         if ($usr_id == ANONYMOUS_USER_ID || $usr_id == SYSTEM_USER_ID) {
             continue;
         }
         $continue = true;
         foreach ($this->include_roles as $role_id) {
             if ($rbacreview->isAssigned($usr_id, $role_id)) {
                 $continue = false;
                 break;
             }
         }
         if ($continue) {
             continue;
         }
         $user = ilObjectFactory::getInstanceByObjId($usr_id);
         $user->delete();
         $counter++;
     }
     if ($counter) {
         $status = ilCronJobResult::STATUS_OK;
     }
     $result = new ilCronJobResult();
     $result->setStatus($status);
     return $result;
 }

 private function getDeveloperRubricCardFormCommandRow($form_action)
 {
     global $ilUser;
     include_once "./Services/Form/classes/class.ilPropertyFormGUI.php";
     //configure the command row
     $rubric_commandrow_tpl = new ilTemplate('tpl.lp_rubricform_commandrow.html', true, true, 'Services/Tracking');
     $select_prop = new ilSelectInputGUI('Title', 'selected_cmdrubric');
     $options = array('behavior_1' => $this->lng->txt('rubric_option_behavior_1'), 'behavior_2' => $this->lng->txt('rubric_option_behavior_2'), 'behavior_3' => $this->lng->txt('rubric_option_behavior_3'), 'behavior_4' => $this->lng->txt('rubric_option_behavior_4'), 'behavior_5' => $this->lng->txt('rubric_option_behavior_5'), 'add_group' => $this->lng->txt('rubric_option_add_group'), 'del_group' => $this->lng->txt('rubric_option_del_group'), 'add_criteria' => $this->lng->txt('rubric_option_add_criteria'), 'del_criteria' => $this->lng->txt('rubric_option_del_criteria'));
     $select_prop->setOptions($options);
     $rubric_commandrow_tpl->setVariable('RURBRIC_COMMANDROW_SELECT', $select_prop->render());
     $rubric_commandrow_tpl->setVariable('RUBRIC_SAVE', $this->lng->txt('save'));
     $rubric_commandrow_tpl->setVariable('RUBRIC_EXECUTE', $this->lng->txt('execute'));
     $rubric_commandrow_tpl->setVariable('FORM_ACTION', $form_action);
     $rubric_commandrow_tpl->setVariable('PASSING_GRADE_VALUE', "{$this->passing_grade}");
     if (!is_null($this->rubric_locked)) {
         $rubric_commandrow_tpl->setVariable('RUBRIC_DISABLED', 'disabled');
         $rubric_commandrow_tpl->setVariable('RUBRIC_LOCK', $this->lng->txt('rubric_card_unlock'));
         $tmp_user = ilObjectFactory::getInstanceByObjId($this->rubric_owner, false);
         if ($this->rubric_owner !== $ilUser->getId()) {
             $rubric_commandrow_tpl->setVariable('USER_LOCK', 'disabled');
         }
         ilUtil::sendInfo($this->lng->txt('rubric_locked_info') . ' ' . $tmp_user->getFullName() . ' ' . $this->rubric_locked);
     } else {
         $rubric_commandrow_tpl->setVariable('RUBRIC_LOCK', $this->lng->txt('rubric_card_lock'));
     }
     $rubric_commandrow_tpl->setVariable('EXPORT', $this->lng->txt('rubric_option_export_pdf'));
     return $rubric_commandrow_tpl;
 }

 /**
  * @param string $rcp
  * @throws ilMailException
  */
 protected function handleCurrentRecipient($rcp)
 {
     require_once 'Services/Mail/exceptions/class.ilMailException.php';
     if (is_numeric($rcp)) {
         /**
          * @var $rcp ilObjUser
          */
         $rcp = ilObjectFactory::getInstanceByObjId($rcp, false);
         if (!$rcp) {
             throw new ilMailException('no_recipient_found');
         }
         $this->setCurrentRecipient($rcp->getEmail());
         $this->initLanguage($rcp->getId());
     } else {
         if (is_string($rcp) && ilUtil::is_email($rcp)) {
             $this->setCurrentRecipient($rcp);
             $this->initLanguageByIso2Code();
         } else {
             if ($rcp instanceof ilObjUser) {
                 /**
                  * @var $rcp ilObjUser
                  */
                 $this->setCurrentRecipient($rcp->getEmail());
                 $this->initLanguage($rcp->getId());
             } else {
                 throw new ilMailException('no_recipient_found');
             }
         }
     }
 }

 /**
  * Constructor
  * @access	public
  * @param	string	$a_target scriptname
  * @param	string	$a_session_variable session_variable
  * @param	ilWorkspaceTree	$a_tree workspace tree
  * @param	ilWorkspaceAccessHandler	$a_access_handler workspace access handler
  */
 public function __construct($a_type, $a_target, $a_session_variable, ilWorkspaceTree $a_tree, ilWorkspaceAccessHandler $a_access_handler)
 {
     global $ilCtrl;
     $this->ctrl = $ilCtrl;
     $this->type = $a_type;
     $this->access = $a_access_handler;
     parent::__construct($a_target);
     // #11173
     if (!$a_tree->readRootId()) {
         // create (workspace) root folder
         $root = ilObjectFactory::getClassByType("wsrt");
         $root = new $root(null);
         $root->create();
         $root_id = $a_tree->createReference($root->getId());
         $a_tree->addTree($a_tree->getTreeId(), $root_id);
         $a_tree->setRootId($root_id);
     }
     $this->tree = $a_tree;
     $this->root_id = $this->tree->readRootId();
     $this->order_column = 'title';
     $this->setSessionExpandVariable($a_session_variable);
     // reset filter
     $this->filter = array();
     $this->addFilter('wsrt');
     $this->addFilter('wfld');
     $this->addFormItemForType('wsrt');
     $this->addFormItemForType('wfld');
     $this->setFiltered(true);
     $this->setFilterMode(IL_FM_POSITIVE);
 }

 function __construct($ref_id)
 {
     $this->courseObject = ilObjectFactory::getInstanceByRefId($ref_id);
     $this->courseParticipants = new ilCourseParticipants($this->courseObject->getId());
     $this->emailsFound = array();
     $this->emailsNotFound = array();
 }

 public function sortCallback($a_assignment_a, $a_assignment_b)
 {
     $user_a = ilObjectFactory::getInstanceByObjId($a_assignment_a->getUserId());
     $user_b = ilObjectFactory::getInstanceByObjId($a_assignment_b->getUserId());
     $user_name_a = $user_a->getLastName() . ', ' . $user_a->getFirstName();
     $user_name_b = $user_b->getLastName() . ', ' . $user_b->getFirstName();
     return strcmp($user_name_a, $user_name_b);
 }

 private function initSettingsWithTestObject()
 {
     $testOBJ = ilObjectFactory::getInstanceByRefId($this->contextRefId);
     $testOBJ->loadFromDb();
     $this->setGenericFeedbackEnabled($testOBJ->getGenericAnswerFeedback());
     $this->setSpecificFeedbackEnabled($testOBJ->getSpecificAnswerFeedback());
     $this->setHintProvidingEnabled($testOBJ->isOfferingQuestionHintsEnabled());
     $this->setBestSolutionEnabled($testOBJ->getInstantFeedbackSolution());
 }

 function __construct()
 {
     global $tpl, $ilCtrl, $ilTabs;
     $this->ctrl = $ilCtrl;
     $this->tpl = $tpl;
     $tpl->getStandardTemplate();
     $this->course = ilObjectFactory::getInstanceByRefId($_GET['ref_id']);
     $this->ctrl = $ilCtrl;
     $this->tabs = $ilTabs;
 }

 /**
  *	Get pairs of Participants groups.
  *
  *	This method can be used to list groups in a
  *	HTML <select>. The index in the returned array
  *	corresponds to the groups' obj_id and the value
  *	is the groups' title.
  *
  *	@param	integer	$overviewId
  *	@return array	Where index = obj_id and value = group title
  */
 public function getGroupPairs($overviewId)
 {
     $pairs = array();
     $rawData = $this->getList(array(), array("overview_id" => $overviewId));
     foreach ($rawData['items'] as $item) {
         $object = ilObjectFactory::getInstanceByObjId($item->obj_id, false);
         $pairs[$item->obj_id] = $object->getTitle();
     }
     return $pairs;
 }