class.ilObjTestGUI.php

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<?php

declare(strict_types=1);

use ILIAS\Test\Results\Data\Repository as TestResultRepository;
use ILIAS\Test\TestDIC;
use ILIAS\Test\RequestDataCollector;
use ILIAS\Test\ResponseHandler;
use ILIAS\Test\Utilities\TitleColumnsBuilder;
use ILIAS\Test\Questions\Presentation\QuestionsTable;
use ILIAS\Test\Questions\Presentation\QuestionsTableQuery;
use ILIAS\Test\Questions\Presentation\QuestionsTableActions;
use ILIAS\Test\Questions\Presentation\Printer as QuestionPrinter;
use ILIAS\Test\Questions\Properties\Repository as TestQuestionsRepository;
use ILIAS\Test\Participants\ParticipantRepository;
use ILIAS\Test\Settings\MainSettings\SettingsMainGUI;
use ILIAS\Test\Settings\ScoreReporting\SettingsScoringGUI;
use ILIAS\Test\Scoring\Settings\Settings as SettingsScoring;
use ILIAS\Test\Scoring\Marks\MarkSchemaGUI;
use ILIAS\Test\Scoring\Manual\TestScoringByQuestionGUI;
use ILIAS\Test\Scoring\Manual\TestScoringByParticipantGUI;
use ILIAS\Test\Logging\LogTable;
use ILIAS\Test\Logging\TestQuestionAdministrationInteractionTypes;
use ILIAS\Test\Logging\TestAdministrationInteractionTypes;
use ILIAS\Test\Presentation\TestScreenGUI;
use ILIAS\Test\Presentation\TabsManager;
use ILIAS\Test\Results\Data\Factory as ResultsDataFactory;
use ILIAS\Test\Results\Presentation\Factory as ResultsPresentationFactory;
use ILIAS\Test\Results\Toplist\TestTopListRepository;
use ILIAS\Test\ExportImport\Factory as ExportImportFactory;
use ILIAS\Test\ExportImport\DBRepository as ExportRepository;
use ILIAS\TestQuestionPool\Questions\GeneralQuestionPropertiesRepository;
use ILIAS\TestQuestionPool\RequestDataCollector as QPLRequestDataCollector;
use ILIAS\TestQuestionPool\Import\TestQuestionsImportTrait;
use ILIAS\Data\Factory as DataFactory;
use ILIAS\UI\Factory as UIFactory;
use ILIAS\UI\Renderer as UIRenderer;
use ILIAS\HTTP\Services as HTTPServices;
use ILIAS\UI\URLBuilder;
use ILIAS\UI\Component\Input\Container\Form\Form;
use ILIAS\UI\Component\Input\Input;
use ILIAS\UI\Component\Input\Field\Select;
use ILIAS\UI\Component\Input\Field\Radio;
use ILIAS\UI\Component\Input\Field\SwitchableGroup;
use ILIAS\GlobalScreen\Services as GlobalScreen;
use ILIAS\Filesystem\Stream\Streams;
use ILIAS\Filesystem\Util\Archive\Archives;
use ILIAS\Skill\Service\SkillService;
use ILIAS\ResourceStorage\Services as IRSS;
use ILIAS\Taxonomy\DomainService as TaxonomyService;
use ILIAS\Style\Content\Service as ContentStyle;

class ilObjTestGUI extends ilObjectGUI implements ilCtrlBaseClassInterface, ilDesktopItemHandling
{
    use TestQuestionsImportTrait;

    public const SHOW_QUESTIONS_CMD = 'showQuestions';
    private const SHOW_LOGS_CMD = 'history';

    private const INFO_SCREEN_CHILD_CLASSES = [
        'ilpublicuserprofilegui', 'ilobjportfoliogui'
    ];

    private const QUESTION_CREATION_POOL_SELECTION_NO_POOL = 1;
    private const QUESTION_CREATION_POOL_SELECTION_NEW_POOL = 2;
    private const QUESTION_CREATION_POOL_SELECTION_EXISTING_POOL = 3;

    private ilTestQuestionSetConfigFactory $test_question_set_config_factory;
    private ilTestPlayerFactory $test_player_factory;
    private ilTestSessionFactory $test_session_factory;
    private ExportImportFactory $export_factory;
    private ExportRepository $export_repository;
    private TestQuestionsRepository $test_questions_repository;
    private GeneralQuestionPropertiesRepository $questionrepository;
    private TestTopListRepository $toplist_repository;
    private ilTestParticipantAccessFilterFactory $participant_access_filter_factory;
    private QPLRequestDataCollector $qplrequest;
    private TitleColumnsBuilder $title_builder;
    protected ?TabsManager $tabs_manager = null;
    private ilTestObjectiveOrientedContainer $objective_oriented_container;
    protected ilTestAccess $test_access;
    protected ilNavigationHistory $navigation_history;
    protected ilComponentRepository $component_repository;
    protected ilComponentFactory $component_factory;
    protected ilDBInterface $db;
    protected UIFactory $ui_factory;
    protected UIRenderer $ui_renderer;
    protected ilUIService $ui_service;
    private ContentStyle $content_style;
    protected HTTPServices $http;
    protected ilHelpGUI $help;
    protected GlobalScreen $global_screen;
    protected ilObjectDataCache $obj_data_cache;
    protected SkillService $skills_service;
    protected IRSS $irss;
    private Archives $archives;
    protected RequestDataCollector $testrequest;
    protected ResponseHandler $response_handler;
    protected ParticipantRepository $participant_repository;
    protected ResultsDataFactory $results_data_factory;
    protected ResultsPresentationFactory $results_presentation_factory;
    protected TestResultRepository $test_pass_result_repository;
    protected ?QuestionsTableQuery $table_query = null;
    protected ?QuestionsTableActions $table_actions = null;
    protected DataFactory $data_factory;
    protected TaxonomyService $taxonomy;

    protected bool $create_question_mode;

    public function __construct()
    {
        global $DIC;
        $this->navigation_history = $DIC['ilNavigationHistory'];
        $this->component_repository = $DIC['component.repository'];
        $this->component_factory = $DIC['component.factory'];
        $this->ui_factory = $DIC['ui.factory'];
        $this->ui_renderer = $DIC['ui.renderer'];
        $this->ui_service = $DIC->uiService();
        $this->http = $DIC['http'];
        $this->error = $DIC['ilErr'];
        $this->db = $DIC['ilDB'];
        $this->help = $DIC['ilHelp'];
        $this->global_screen = $DIC['global_screen'];
        $this->obj_data_cache = $DIC['ilObjDataCache'];
        $this->irss = $DIC['resource_storage'];
        $this->skills_service = $DIC->skills();
        $this->archives = $DIC->archives();
        $this->type = 'tst';
        $this->data_factory = new DataFactory();
        $this->ui_service = $DIC->uiService();
        $this->taxonomy = $DIC->taxonomy()->domain();
        $this->ui_service = $DIC->uiService();
        $this->content_style = $DIC->contentStyle();

        $local_dic = TestDIC::dic();
        $this->questionrepository = $local_dic['question.general_properties.repository'];
        $this->test_questions_repository = $local_dic['questions.properties.repository'];
        $this->qplrequest = $local_dic['question.request_data_wrapper'];
        $this->title_builder = $local_dic['title_columns_builder'];
        $this->testrequest = $local_dic['request_data_collector'];
        $this->response_handler = $local_dic['response_handler'];
        $this->participant_repository = $local_dic['participant.repository'];
        $this->results_data_factory = $local_dic['results.data.factory'];
        $this->results_presentation_factory = $local_dic['results.presentation.factory'];
        $this->export_factory = $local_dic['exportimport.factory'];
        $this->export_repository = $local_dic['exportimport.repository'];
        $this->participant_access_filter_factory = $local_dic['participant.access_filter.factory'];
        $this->test_pass_result_repository = $local_dic['results.data.test_result_repository'];
        $this->toplist_repository = $local_dic['results.toplist.repository'];

        $ref_id = 0;
        if ($this->testrequest->hasRefId() && is_numeric($this->testrequest->getRefId())) {
            $ref_id = $this->testrequest->getRefId();
        }
        parent::__construct("", $ref_id, true, false);

        $this->ctrl->saveParameter($this, ['ref_id', 'test_ref_id']);

        $this->lng->loadLanguageModule('assessment');

        $this->objective_oriented_container = new ilTestObjectiveOrientedContainer();

        if (!($this->object instanceof ilObjTest)) {
            $this->setCreationMode(true);
            return;
        }

        $this->test_question_set_config_factory = new ilTestQuestionSetConfigFactory(
            $this->tree,
            $this->db,
            $this->lng,
            $this->getTestObject()->getTestlogger(),
            $this->component_repository,
            $this->getTestObject(),
            $this->questionrepository
        );

        $this->test_player_factory = new ilTestPlayerFactory($this->getTestObject());
        $this->test_session_factory = new ilTestSessionFactory($this->getTestObject(), $this->db, $this->user);
        $this->setTestAccess(new ilTestAccess($this->ref_id, $this->getTestObject()->getTestId()));

        $this->tabs_manager = new TabsManager(
            $this->tabs_gui,
            $this->lng,
            $this->ctrl,
            $this->access,
            $this->test_access,
            $this->getTestObject(),
            $this->objective_oriented_container,
            $this->test_session_factory->getSession()
        );
    }

    public function executeCommand(): void
    {
        $cmd = $this->ctrl->getCmd('testScreen');

        $cmds_disabled_due_to_offline_status = [
            'resumePlayer', 'resumePlayer', 'outUserResultsOverview', 'outUserListOfAnswerPasses'
        ];

        if (!$this->getCreationMode() && $this->object->getOfflineStatus() && in_array($cmd, $cmds_disabled_due_to_offline_status)) {
            $cmd = 'infoScreen';
        }

        $next_class = $this->ctrl->getNextClass($this);

        // add entry to navigation history
        if (!$this->getCreationMode() &&
            $this->access->checkAccess('read', '', $this->testrequest->getRefId())
        ) {
            $this->navigation_history->addItem(
                $this->testrequest->getRefId(),
                ilLink::_getLink($this->testrequest->getRefId(), 'tst'),
                'tst',
            );
        }

        $this->determineObjectiveOrientedContainer();

        switch ($next_class) {
            case 'illtiproviderobjectsettinggui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $this->tabs_manager->getSettingsSubTabs();
                $this->tabs_manager->activateTab('settings');
                $this->tabs_manager->activateSubTab('lti_provider');
                $lti_gui = new ilLTIProviderObjectSettingGUI($this->getTestObject()->getRefId());
                $lti_gui->setCustomRolesForSelection($this->rbac_review->getLocalRoles($this->getTestObject()->getRefId()));
                $lti_gui->offerLTIRolesForSelection(false);
                $this->ctrl->forwardCommand($lti_gui);
                break;

            case 'iltestexportgui':
                if (!$this->access->checkAccess('write', '', $this->ref_id)) {
                    $this->redirectAfterMissingWrite();
                }

                $this->prepareOutput();
                $this->addHeaderAction();
                $this->tabs_manager->activateTab(TabsManager::TAB_ID_EXPORT);

                $selected_files = [];
                if ($this->testrequest->isset('file') && $this->testrequest->raw('file')) {
                    $selected_files = $this->testrequest->raw('file');
                }

                if (is_string($selected_files)) {
                    $selected_files = [$selected_files];
                }

                $export_gui = new ilTestExportGUI(
                    $this,
                    $this->db,
                    $this->obj_data_cache,
                    $this->user,
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->irss,
                    $this->request,
                    $this->export_repository,
                    $this->temp_file_system,
                    $this->participant_access_filter_factory,
                    new ilTestHTMLGenerator(),
                    $selected_files,
                    $this->questionrepository,
                    $this->testrequest
                );
                $this->ctrl->forwardCommand($export_gui);
                break;

            case strtolower(ilInfoScreenGUI::class):
                if (
                    !$this->access->checkAccess('read', '', $this->testrequest->getRefId())
                    && !$this->access->checkAccess('visible', '', $this->testrequest->getRefId())
                ) {
                    $this->redirectAfterMissingRead();
                }

                $this->prepareOutput();
                $this->addHeaderAction();
                $this->forwardToInfoScreen();
                break;

            case strtolower(TestScreenGUI::class):
                if (!$this->access->checkAccess('read', '', $this->testrequest->getRefId()) && !$this->access->checkAccess('visible', '', $this->testrequest->getRefId())) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $this->ctrl->forwardCommand($this->getTestScreenGUIInstance());
                break;

            case 'ilobjectmetadatagui':
                if (!$this->access->checkAccess('write', '', $this->getTestObject()->getRefId())) {
                    $this->redirectAfterMissingWrite();
                }

                $this->prepareOutput();
                $this->addHeaderAction();
                $this->tabs_manager->activateTab(TabsManager::TAB_ID_META_DATA);
                $md_gui = new ilObjectMetaDataGUI($this->getTestObject());
                $this->ctrl->forwardCommand($md_gui);
                break;

            case strtolower(ilTestParticipantsGUI::class):
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }

                $gui = new ilTestParticipantsGUI(
                    $this->getTestObject(),
                    $this->user,
                    $this->getObjectiveOrientedContainer(),
                    $this->test_question_set_config_factory->getQuestionSetConfig(),
                    $this->access,
                    $this->test_access,
                    $this->tpl,
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->ui_service,
                    $this->data_factory,
                    $this->lng,
                    $this->ctrl,
                    $this->refinery,
                    $this->db,
                    $this->tabs_manager,
                    $this->toolbar,
                    $this->component_factory,
                    $this->export_factory,
                    $this->testrequest,
                    $this->response_handler,
                    $this->participant_repository,
                    $this->results_data_factory,
                    $this->results_presentation_factory,
                    $this->test_pass_result_repository
                );

                $this->ctrl->forwardCommand($gui);

                $this->prepareOutput();
                $this->addHeaderAction();
                $this->tabs_manager->activateTab(TabsManager::TAB_ID_PARTICIPANTS);

                break;

            case 'iltestresultsgui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();

                $gui = new ilTestResultsGUI(
                    $this->getTestObject(),
                    $this->ctrl,
                    $this->test_access,
                    $this->db,
                    $this->refinery,
                    $this->user,
                    $this->lng,
                    $this->getTestObject()->getTestlogger(),
                    $this->component_repository,
                    $this->tabs_manager,
                    $this->toolbar,
                    $this->tpl,
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->skills_service,
                    $this->questionrepository,
                    $this->toplist_repository,
                    $this->testrequest,
                    $this->http,
                    $this->data_factory,
                    $this->test_session_factory->getSession(),
                    $this->getObjectiveOrientedContainer()
                );

                $this->ctrl->forwardCommand($gui);
                break;

            case "iltestplayerfixedquestionsetgui":
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->trackTestObjectReadEvent();
                if (!$this->getTestObject()->getKioskMode()) {
                    $this->prepareOutput();
                }
                $gui = new ilTestPlayerFixedQuestionSetGUI($this->getTestObject());
                $gui->setObjectiveOrientedContainer($this->getObjectiveOrientedContainer());
                $this->ctrl->forwardCommand($gui);
                break;

            case "iltestplayerrandomquestionsetgui":
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->trackTestObjectReadEvent();
                if (!$this->getTestObject()->getKioskMode()) {
                    $this->prepareOutput();
                }
                $gui = new ilTestPlayerRandomQuestionSetGUI($this->getTestObject());
                $gui->setObjectiveOrientedContainer($this->getObjectiveOrientedContainer());
                $this->ctrl->forwardCommand($gui);
                break;

            case "iltestevaluationgui":
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->forwardToEvaluationGUI();
                break;

            case "iltestservicegui":
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $serviceGUI = new ilTestServiceGUI($this->getTestObject());
                $this->ctrl->forwardCommand($serviceGUI);
                break;

            case 'ilpermissiongui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $this->tabs_manager->activateTab(TabsManager::TAB_ID_PERMISSIONS);
                $perm_gui = new ilPermissionGUI($this);
                $ret = $this->ctrl->forwardCommand($perm_gui);
                break;

            case "illearningprogressgui":
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }

                $this->prepareOutput();
                $this->addHeaderAction();

                $test_session = $this->test_session_factory->getSessionByUserId($this->user->getId());
                if (!$this->checkPermissionBool('write')
                    && !$this->getTestObject()->canShowTestResults($test_session)) {
                    $this->tpl->setOnScreenMessage(
                        'info',
                        $this->lng->txt('tst_res_tab_msg_no_lp_access'),
                    );
                    break;
                }

                $this->tabs_manager->activateTab(TabsManager::TAB_ID_LEARNING_PROGRESS);
                $new_gui = new ilLearningProgressGUI(ilLearningProgressGUI::LP_CONTEXT_REPOSITORY, $this->getTestObject()->getRefId());
                $this->ctrl->forwardCommand($new_gui);

                break;

            case "ilcertificategui":
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();

                $this->tabs_manager->activateTab(TabsManager::TAB_ID_SETTINGS);

                $gui_factory = new ilCertificateGUIFactory();
                $output_gui = $gui_factory->create($this->getTestObject());

                $this->ctrl->forwardCommand($output_gui);
                break;

            case strtolower(TestScoringByQuestionGUI::class):
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $output_gui = new TestScoringByQuestionGUI($this->getTestObject(), $this->ui_service);
                $output_gui->setTestAccess($this->getTestAccess());
                $this->ctrl->forwardCommand($output_gui);
                break;

            case strtolower(TestScoringByParticipantGUI::class):
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $output_gui = new TestScoringByParticipantGUI($this->getTestObject());
                $output_gui->setTestAccess($this->getTestAccess());
                $this->ctrl->forwardCommand($output_gui);
                break;

            case strtolower(MarkSchemaGUI::class):
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->protectByWritePermission();

                $mark_schema_gui = new MarkSchemaGUI(
                    $this->getTestObject(),
                    $this->user,
                    $this->lng,
                    $this->ctrl,
                    $this->tpl,
                    $this->toolbar,
                    $this->getObject()->getTestLogger(),
                    $this->post_wrapper,
                    $this->request_wrapper,
                    $this->response_handler,
                    $this->request,
                    $this->refinery,
                    $this->ui_factory,
                    $this->ui_renderer
                );
                $this->ctrl->forwardCommand($mark_schema_gui);

                $this->prepareOutput();
                $this->addHeaderAction();
                $this->tabs_manager->activateTab(TabsManager::TAB_ID_SETTINGS);
                $this->tabs_manager->activateSubTab(TabsManager::SETTINGS_SUBTAB_ID_MARK_SCHEMA);

                break;

            case strtolower(SettingsMainGUI::class):
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }

                $gui = new SettingsMainGUI(
                    $this->tpl,
                    $this->toolbar,
                    $this->ctrl,
                    $this->access,
                    $this->lng,
                    $this->tree,
                    $this->db,
                    $this->obj_data_cache,
                    $this->settings,
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->refinery,
                    $this->request,
                    $this->component_repository,
                    $this->user,
                    $this,
                    $this->getTestObject()->getTestLogger(),
                    $this->questionrepository
                );
                $this->ctrl->forwardCommand($gui);
                $this->prepareOutput();
                $this->tabs_manager->activateTab(TabsManager::TAB_ID_SETTINGS);
                $this->tabs_manager->activateSubTab(TabsManager::SUBTAB_ID_GENERAL_SETTINGS);
                $this->addHeaderAction();
                break;

            case strtolower(SettingsScoringGUI::class):
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $gui = new SettingsScoringGUI(
                    $this->ctrl,
                    $this->access,
                    $this->lng,
                    $this->tree,
                    $this->db,
                    $this->component_repository,
                    $this,
                    $this->tpl,
                    $this->tabs_gui,
                    $this->getTestObject()->getTestLogger(),
                    $this->getTestObject()->getScoreSettingsRepository(),
                    $this->getTestObject()->getTestId(),
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->refinery,
                    $this->request,
                    $this->user
                );

                $this->ctrl->forwardCommand($gui);
                break;

            case 'iltestrandomquestionsetconfiggui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $test_process_locker_factory = (new ilTestProcessLockerFactory(
                    new ilSetting('assessment'),
                    $this->db
                ))->withContextId($this->getTestObject()->getId());
                $gui = new ilTestRandomQuestionSetConfigGUI(
                    $this->getTestObject(),
                    $this->ctrl,
                    $this->user,
                    $this->access,
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->data_factory,
                    $this->tabs_manager,
                    $this->lng,
                    $this->getTestObject()->getTestlogger(),
                    $this->tpl,
                    $this->db,
                    $this->tree,
                    $this->component_repository,
                    $this->obj_definition,
                    $this->obj_data_cache,
                    $test_process_locker_factory,
                    $this->testrequest,
                    $this->title_builder,
                    $this->questionrepository
                );
                $this->ctrl->forwardCommand($gui);
                break;

            case 'iltestquestionbrowsertablegui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $gui = new ilTestQuestionBrowserTableGUI(
                    $this->tabs_gui,
                    $this->tree,
                    $this->db,
                    $this->getTestObject()->getTestlogger(),
                    $this->component_repository,
                    $this->getTestObject(),
                    $this->user,
                    $this->access,
                    $this->http,
                    $this->refinery,
                    $this->ui_factory,
                    $this->ui_renderer,
                    $this->testrequest,
                    $this->questionrepository,
                    $this->lng,
                    $this->ctrl,
                    $this->tpl,
                    $this->ui_service,
                    $this->data_factory,
                    $this->taxonomy,
                );
                $this->ctrl->forwardCommand($gui);
                break;

            case 'iltestskilladministrationgui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $gui = new ilTestSkillAdministrationGUI(
                    $this->ctrl,
                    $this->access,
                    $this->tabs_manager,
                    $this->tpl,
                    $this->lng,
                    $this->refinery,
                    $this->db,
                    $this->getTestObject()->getTestlogger(),
                    $this->tree,
                    $this->component_repository,
                    $this->getTestObject(),
                    $this->questionrepository,
                    $this->testrequest,
                    $this->ref_id
                );
                $this->ctrl->forwardCommand($gui);
                break;

            case 'ilobjectcopygui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();
                $cp = new ilObjectCopyGUI($this);
                $cp->setType('tst');
                $this->ctrl->forwardCommand($cp);
                break;

            case strtolower(ilAssQuestionPreviewGUI::class):
                if (!$this->access->checkAccess('write', '', $this->getTestObject()->getRefId())) {
                    $this->redirectAfterMissingWrite();
                }
                $this->prepareOutput();
                $this->forwardCommandToQuestionPreview($cmd);
                break;
            case 'ilassquestionpagegui':
                if ($cmd === 'finishEditing') {
                    $this->prepareOutput();
                    $this->forwardCommandToQuestionPreview(ilAssQuestionPreviewGUI::CMD_SHOW);
                    break;
                }
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                if ($cmd === 'edit' && !$this->access->checkAccess('write', '', $this->testrequest->getRefId())) {
                    $this->redirectAfterMissingWrite();
                }
                $this->prepareOutput();
                $forwarder = new ilAssQuestionPageCommandForwarder(
                    $this->getTestObject(),
                    $this->lng,
                    $this->ctrl,
                    $this->tpl,
                    $this->questionrepository,
                    $this->testrequest
                );
                $forwarder->forward();
                break;

            case 'ilassspecfeedbackpagegui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $pg_gui = new ilAssSpecFeedbackPageGUI((int) $this->testrequest->raw("feedback_id"));
                $this->ctrl->forwardCommand($pg_gui);
                break;

            case 'ilassgenfeedbackpagegui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $pg_gui = new ilAssGenFeedbackPageGUI($this->testrequest->int("feedback_id"));
                $this->ctrl->forwardCommand($pg_gui);
                break;

            case 'illocalunitconfigurationgui':
                if ((!$this->access->checkAccess("read", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareSubGuiOutput();

                // set return target
                $question_gui = assQuestionGUI::_getQuestionGUI('', $this->fetchAuthoringQuestionIdParameter());
                $question = $question_gui->getObject();
                $question->setObjId($this->getTestObject()->getId());
                $question_gui->setObject($question);
                $question_gui->setQuestionTabs();
                $gui = new ilLocalUnitConfigurationGUI(
                    new ilUnitConfigurationRepository($this->testrequest->getQuestionId())
                );
                $this->ctrl->forwardCommand($gui);
                break;

            case "ilcommonactiondispatchergui":
                if (!$this->access->checkAccess("read", "", $this->testrequest->getRefId()) && !$this->access->checkAccess("visible", "", $this->testrequest->getRefId())) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $gui = ilCommonActionDispatcherGUI::getInstanceFromAjaxCall();
                $this->ctrl->forwardCommand($gui);
                break;

            case 'ilassquestionhintsgui':
                if (!$this->access->checkAccess('write', '', $this->getTestObject()->getRefId())) {
                    $this->redirectAfterMissingWrite();
                }

                if ($this->getTestObject()->evalTotalPersons() !== 0) {
                    $this->tpl->setOnScreenMessage('failure', $this->lng->txt('question_is_part_of_running_test'), true);
                    $this->prepareOutput();
                    $this->forwardCommandToQuestionPreview(ilAssQuestionPreviewGUI::CMD_SHOW);
                    return;
                }
                $this->prepareSubGuiOutput();

                $question_gui = assQuestionGUI::_getQuestionGUI('', $this->fetchAuthoringQuestionIdParameter());
                $question = $question_gui->getObject();
                $question->setObjId($this->getTestObject()->getId());
                $question_gui->setObject($question);
                $question_gui->setQuestionTabs();

                $this->addQuestionTitleToObjectTitle($question->getTitleForHTMLOutput());

                $gui = new ilAssQuestionHintsGUI($question_gui);

                $gui->setEditingEnabled(
                    $this->access->checkAccess('write', '', $this->getTestObject()->getRefId())
                );

                $this->ctrl->forwardCommand($gui);
                break;

            case 'ilassquestionfeedbackeditinggui':
                if (!$this->access->checkAccess('write', '', $this->getTestObject()->getRefId())) {
                    $this->redirectAfterMissingWrite();
                }
                $this->prepareSubGuiOutput();

                // set return target
                $this->ctrl->setReturnByClass(self::class, self::SHOW_QUESTIONS_CMD);
                $question_gui = assQuestionGUI::_getQuestionGUI('', $this->fetchAuthoringQuestionIdParameter());
                $question = $question_gui->getObject();
                $question->setObjId($this->getTestObject()->getId());
                $question_gui->setObject($question);
                $question_gui->setQuestionTabs();

                $this->addQuestionTitleToObjectTitle($question->getTitleForHTMLOutput());

                if ($this->getTestObject()->evalTotalPersons() !== 0) {
                    $this->tpl->setOnScreenMessage('failure', $this->lng->txt('question_is_part_of_running_test'), true);
                    $this->prepareOutput();
                    $this->forwardCommandToQuestionPreview(ilAssQuestionPreviewGUI::CMD_SHOW);
                }
                $gui = new ilAssQuestionFeedbackEditingGUI(
                    $question_gui,
                    $this->ctrl,
                    $this->access,
                    $this->tpl,
                    $this->tabs_gui,
                    $this->lng,
                    $this->help,
                    $this->qplrequest,
                    $this->content_style
                );
                $this->ctrl->forwardCommand($gui);
                break;

            case 'iltestcorrectionsgui':
                if ((!$this->access->checkAccess('read', '', $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $gui = new ilTestCorrectionsGUI(
                    $this->db,
                    $this->ctrl,
                    $this->lng,
                    $this->tabs_gui,
                    $this->help,
                    $this->ui_factory,
                    $this->tpl,
                    $this->refinery,
                    $this->getTestObject()->getTestLogger(),
                    $this->testrequest,
                    $this->getTestObject(),
                    $this->user
                );
                $this->ctrl->forwardCommand($gui);
                break;

            case 'iltestpagegui':
                if ((!$this->access->checkAccess("write", "", $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingWrite();
                }

                if ($cmd === 'downloadFile') {
                    $page_id = $this->object->getIntroductionPageId();
                    if ($this->testrequest->strVal('page_type') === 'concludingremarkspage') {
                        $page_id = $this->object->getConcludingRemarksPageId();
                    }
                    $this->ctrl->forwardCommand(new ilTestPageGUI('tst', $page_id));
                }
                $this->showEditTestPageGUI($cmd);
                break;

            case '':
            case 'ilobjtestgui':
                if (!$this->access->checkAccess('read', '', $this->testrequest->getRefId())
                    && !$this->access->checkAccess('visible', '', $this->testrequest->getRefId())) {
                    $this->redirectAfterMissingRead();
                }
                $this->prepareOutput();
                $this->addHeaderAction();

                if ($cmd === 'testScreen') {
                    $this->ctrl->forwardCommand($this->getTestScreenGUIInstance());
                    return;
                }

                $local_cmd = $cmd . 'Object';
                if (!method_exists($this, $local_cmd)) {
                    $local_cmd = self::SHOW_QUESTIONS_CMD . 'Object';
                }
                $this->$local_cmd();
                break;

            default:
                if ((!$this->access->checkAccess('read', '', $this->testrequest->getRefId()))) {
                    $this->redirectAfterMissingRead();
                }
                if (in_array(
                    $cmd,
                    ['editQuestion', 'previewQuestion', 'save', 'saveReturn',
                            'syncQuestion', 'syncQuestionReturn', 'suggestedsolution']
                )
                    && !$this->access->checkAccess('write', '', $this->getTestObject()->getRefId())) {
                    $this->redirectAfterMissingWrite();
                }
                if (in_array($cmd, ['editQuestion', 'save', 'saveReturn', 'suggestedsolution'])
                    && $this->getTestObject()->evalTotalPersons() !== 0) {
                    $this->tpl->setOnScreenMessage('failure', $this->lng->txt('question_is_part_of_running_test'), true);
                    $this->prepareOutput();
                    $this->forwardCommandToQuestionPreview(ilAssQuestionPreviewGUI::CMD_SHOW);
                    return;
                }
                $this->forwardCommandToQuestion($cmd);
                break;
        }
        if (!in_array(strtolower($this->testrequest->raw('baseClass')), ['iladministrationgui', 'ilrepositorygui'])
            && $this->getCreationMode() !== true) {
            $this->tpl->printToStdout();
        }
    }

    protected function redirectAfterMissingWrite()
    {
        $this->tpl->setOnScreenMessage('failure', $this->lng->txt("no_permission"), true);
        $target_class = get_class($this->getTestObject()) . "GUI";
        $this->ctrl->setParameterByClass($target_class, 'ref_id', $this->ref_id);
        $this->ctrl->redirectByClass($target_class);
    }

    protected function redirectAfterMissingRead(): void
    {
        $this->tpl->setOnScreenMessage('failure', sprintf(
            $this->lng->txt("msg_no_perm_read_item"),
            $this->getTestObject()->getTitle()
        ), true);
        $this->ctrl->setParameterByClass('ilrepositorygui', 'ref_id', ROOT_FOLDER_ID);
        $this->ctrl->redirectByClass('ilrepositorygui');
    }

    protected function forwardCommandToQuestionPreview(
        string $cmd,
        ?assQuestionGUI $question_gui = null
    ): void {
        $nr_of_participants_with_results = $this->getTestObject()->evalTotalPersons();

        $this->ctrl->saveParameterByClass(self::class, 'q_id');
        $gui = new ilAssQuestionPreviewGUI(
            $this->ctrl,
            $this->rbac_system,
            $this->tabs_gui,
            $this->toolbar,
            $this->tpl,
            $this->ui_factory,
            $this->lng,
            $this->db,
            $this->refinery->random(),
            $this->global_screen,
            $this->http,
            $this->refinery,
            $this->ref_id
        );

        if ($this->getTestObject()->isRandomTest() && $nr_of_participants_with_results === 0) {
            $gui->setInfoMessage($this->lng->txt('question_is_part_of_running_test'));
        }

        if ($nr_of_participants_with_results > 0) {
            $gui->addAdditionalCmd(
                $this->lng->txt('tst_corrections_qst_form'),
                $this->ctrl->getLinkTargetByClass(ilTestCorrectionsGUI::class, 'showQuestion')
            );
        }

        $question_gui ??= assQuestion::instantiateQuestionGUI($this->fetchAuthoringQuestionIdParameter());

        $this->addQuestionTitleToObjectTitle($question_gui->getObject()->getTitleForHTMLOutput());

        if (!$this->getTestObject()->isRandomTest() && $nr_of_participants_with_results === 0) {
            $gui->setPrimaryCmd(
                $this->lng->txt('edit_question'),
                $this->ctrl->getLinkTargetByClass(
                    get_class($question_gui),
                    'editQuestion'
                )
            );
            $gui->addAdditionalCmd(
                $this->lng->txt('edit_page'),
                $this->ctrl->getLinkTargetByClass(
                    ilAssQuestionPageGUI::class,
                    'edit'
                )
            );
        }

        $gui->initQuestion($question_gui, $this->getTestObject()->getId());
        $gui->initPreviewSettings($this->getTestObject()->getRefId());
        $gui->initPreviewSession($this->user->getId(), $this->testrequest->getQuestionId());
        $gui->initHintTracking();
        $gui->initStyleSheets();

        $this->ctrl->clearParameterByClass(self::class, 'q_id');
        $this->tabs_gui->setBackTarget(
            $this->lng->txt('backtocallingtest'),
            $this->ctrl->getLinkTargetByClass(self::class, self::SHOW_QUESTIONS_CMD)
        );
        $this->ctrl->saveParameterByClass(self::class, 'q_id');
        $gui->{$cmd . 'Cmd'}();
    }

    private function addQuestionTitleToObjectTitle(string $question_title): void
    {
        $this->tpl->setTitle(
            $this->refinery->encode()->htmlSpecialCharsAsEntities()->transform(
                "{$this->getTestObject()->getTitle()}: {$question_title}"
            )
        );
    }

    protected function forwardCommandToQuestion(string $cmd): void
    {
        $this->create_question_mode = true;
        $this->prepareOutput();

        try {
            $qid = $this->fetchAuthoringQuestionIdParameter();

            $this->ctrl->setReturnByClass(self::class, self::SHOW_QUESTIONS_CMD);

            $question_gui = assQuestionGUI::_getQuestionGUI(
                ilUtil::stripSlashes($this->testrequest->strVal('question_type')),
                $qid
            );

            $question_gui->setEditContext(assQuestionGUI::EDIT_CONTEXT_AUTHORING);
            $question = $question_gui->getObject();
            $question->setObjId($this->getTestObject()->getId());
            $question_gui->setObject($question);
            $question_gui->setContextAllowsSyncToPool(true);
            $question_gui->setQuestionTabs();

            $this->addQuestionTitleToObjectTitle($question->getTitleForHTMLOutput());

            $target = strpos($cmd, 'Return') === false ? 'stay' : 'return';

            if (in_array($cmd, ['syncQuestion', 'syncQuestionReturn'])) {
                $question_gui->syncQuestion();
                $this->showNextViewAfterQuestionSave($question_gui, $target);
                return;
            }

            if ($question_gui->isSaveCommand()
                || $question_gui->cmdNeedsExistingQuestion($cmd)) {
                $question_gui = $this->addPostCreationTasksToQuestionGUI($question_gui);
            }

            if ($qid === 0 && $question_gui->cmdNeedsExistingQuestion($cmd)) {
                $question_gui->getObject()->createNewQuestion();
                $question_gui->setQuestionTabs();
                $this->executeAfterQuestionCreationTasks($question_gui);
            }

            if (!$question_gui->isSaveCommand()) {
                $this->ctrl->forwardCommand($question_gui);
                return;
            }

            if (!$question_gui->saveQuestion()) {
                return;
            }

            $this->tpl->setOnScreenMessage('success', $this->lng->txt('msg_obj_modified'), true);
            if ($qid === 0) {
                $this->executeAfterQuestionCreationTasks($question_gui);
            }
            $this->executeAfterQuestionSaveTasks($question_gui);
            $this->showNextViewAfterQuestionSave($question_gui, $target);
        } catch (ilTestException $e) {
            $this->showQuestionsObject();
        }
    }

    private function addPostCreationTasksToQuestionGUI(
        assQuestionGUI $question_gui
    ): assQuestionGUI {
        if ($this->testrequest->isset('move_after_question_with_id')) {
            $question_gui->setMoveAfterQuestionId(
                $this->testrequest->int('move_after_question_with_id')
            );
        }

        if ($this->testrequest->isset('pool_title')) {
            $question_gui->setCopyToNewPoolOnSave(
                $this->testrequest->strVal('pool_title')
            );
        }

        if ($this->testrequest->isset('pool_ref')) {
            $question_gui->setCopyToExistingPoolOnSave(
                $this->testrequest->int('pool_ref')
            );
        }
        return $question_gui;
    }

    private function executeAfterQuestionSaveTasks(assQuestionGUI $question_gui): void
    {
        if ($this->getTestObject()->getTestLogger()->isLoggingEnabled()) {
            $this->getTestObject()->getTestLogger()->logQuestionAdministrationInteraction(
                $question_gui->getObject()->toQuestionAdministrationInteraction(
                    $this->getTestObject()->getTestLogger()->getAdditionalInformationGenerator(),
                    $this->getTestObject()->getRefId(),
                    TestQuestionAdministrationInteractionTypes::QUESTION_MODIFIED
                )
            );
        }
    }

    private function executeAfterQuestionCreationTasks(assQuestionGUI $question_gui): void
    {
        if ($this->getTestObject()->getQuestionSetType() === ilObjTest::QUESTION_SET_TYPE_FIXED
            && !in_array($question_gui->getObject()->getId(), $this->getTestObject()->getQuestions())) {
            $this->getTestObject()->insertQuestion($question_gui->getObject()->getId(), true);
        }

        if ($question_gui->getMoveAfterQuestionId() !== null) {
            $this->getTestObject()->moveQuestions(
                [$question_gui->getObject()->getId()],
                $question_gui->getMoveAfterQuestionId() === 0
                    ? $this->getTestObject()->getQuestions()[1]
                    : $question_gui->getMoveAfterQuestionId(),
                $question_gui->getMoveAfterQuestionId() === 0 ? 0 : 1
            );
            $question_gui->setMoveAfterQuestionId(null);
        }

        if ($question_gui->getCopyToExistingPoolOnSave() !== null) {
            $original_id = $this->copyQuestionToPool(
                $question_gui,
                new ilObjQuestionPool($question_gui->getCopyToExistingPoolOnSave())
            );
            assQuestion::saveOriginalId($question_gui->getObject()->getId(), $original_id);
            $question_gui->setCopyToExistingPoolOnSave(null);
        }

        if ($question_gui->getCopyToNewPoolOnSave() !== null) {
            $question_pool = $this->createQuestionPool($question_gui->getCopyToNewPoolOnSave());
            $original_id = $this->copyQuestionToPool(
                $question_gui,
                $question_pool
            );
            assQuestion::saveOriginalId($question_gui->getObject()->getId(), $original_id);
            $question_gui->setCopyToNewPoolOnSave(null);
        }
    }

    private function showNextViewAfterQuestionSave(assQuestionGUI $question_gui, string $target): void
    {
        if ($target === 'return') {
            $this->forwardCommandToQuestionPreview(
                ilAssQuestionPreviewGUI::CMD_SHOW,
                $question_gui
            );
        }

        if ($target === 'stay') {
            $this->ctrl->setParameterByClass(ilAssQuestionPreviewGUI::class, 'q_id', $question_gui->getObject()->getId());
            $this->tabs_gui->setBackTarget(
                $this->lng->txt('backtocallingpage'),
                $this->ctrl->getLinkTargetByClass(
                    ilAssQuestionPreviewGUI::class,
                    ilAssQuestionPreviewGUI::CMD_SHOW
                )
            );
            $question_gui->editQuestion(false, false);
        }
    }

    protected function trackTestObjectReadEvent()
    {
        ilChangeEvent::_recordReadEvent(
            $this->getTestObject()->getType(),
            $this->getTestObject()->getRefId(),
            $this->getTestObject()->getId(),
            $this->user->getId()
        );
    }

    protected function exportObject()
    {
        $this->ctrl->redirectByClass('ilTestExportGUI');
    }

    protected function fetchAuthoringQuestionIdParameter(): int
    {
        $qid = $this->testrequest->int('q_id');

        if ($qid === 0 || $this->getTestObject()->checkQuestionParent($qid)) {
            return $qid;
        }

        throw new ilTestException('question id does not relate to parent object!');
    }

    private function questionsTabGatewayObject()
    {
        if ($this->getTestObject()->isRandomTest()) {
            $this->ctrl->redirectByClass('ilTestRandomQuestionSetConfigGUI');
        }

        $this->ctrl->redirectByClass('ilObjTestGUI', self::SHOW_QUESTIONS_CMD);
    }

    public function prepareOutput(bool $show_subobjects = true): bool
    {
        if (!$this->getCreationMode()) {
            $settings = ilMemberViewSettings::getInstance();
            if ($settings->isActive() && $settings->getContainer() != $this->getTestObject()->getRefId()) {
                $settings->setContainer($this->getTestObject()->getRefId());
                $this->rbac_system->initMemberView();
            }
        }
        return parent::prepareOutput($show_subobjects);
    }

    private function showEditTestPageGUI(string $cmd): void
    {
        $this->prepareOutput();
        $this->tabs_manager->getSettingsSubTabs();

        if ($this->request_wrapper->has('page_type')
            && $this->request_wrapper->retrieve(
                'page_type',
                $this->refinery->kindlyTo()->string()
            ) === 'introductionpage'
        ) {
            $page_type = 'IntroductionPage';
            $this->tabs_manager->activateSubTab(TabsManager::SETTINGS_SUBTAB_ID_EDIT_INTRODUCTION_PAGE);
            $page_id = $this->getTestObject()->getIntroductionPageId();
        } else {
            $page_type = 'ConcludingRemarksPage';
            $this->tabs_manager->activateSubTab(TabsManager::SETTINGS_SUBTAB_ID_EDIT_CONCLUSION_PAGE);
            $page_id = $this->getTestObject()->getConcludingRemarksPageId();
        }
        $this->ctrl->saveParameterByClass(ilTestPageGUI::class, 'page_type');

        $gui = new ilTestPageGUI('tst', $page_id);
        $this->content_style->gui()->addCss($this->tpl, $this->ref_id);
        $this->tpl->setContent($this->ctrl->forwardCommand($gui));

        $this->tabs_manager->activateTab(TabsManager::TAB_ID_SETTINGS);
    }

    public function getTestAccess(): ilTestAccess
    {
        return $this->test_access;
    }

    public function setTestAccess(ilTestAccess $test_access)
    {
        $this->test_access = $test_access;
    }

    private function forwardToEvaluationGUI()
    {
        $this->prepareOutput();
        $this->addHeaderAction();
        $gui = new ilTestEvaluationGUI($this->getTestObject());
        $gui->setObjectiveOrientedContainer($this->getObjectiveOrientedContainer());
        $gui->setTestAccess($this->getTestAccess());

        $this->ctrl->forwardCommand($gui);
    }

    private function redirectTo_SettingsMainGUI_showForm_Object()
    {
        $this->ctrl->redirectByClass(SettingsMainGUI::class, SettingsMainGUI::CMD_SHOW_FORM);
    }

    private function prepareSubGuiOutput()
    {
        $this->tpl->loadStandardTemplate();
        $this->setLocator();
        $this->setTitleAndDescription();
    }

    public function runObject()
    {
        $this->ctrl->redirectByClass([ilRepositoryGUI::class, self::class, ilInfoScreenGUI::class]);
    }

    protected function importFile(string $file_to_import, string $path_to_uploaded_file_in_temp_dir): void
    {
        list($subdir, $importdir, $xmlfile, $qtifile) = $this->buildImportDirectoriesFromImportFile($file_to_import);

        $options = (new ILIAS\Filesystem\Util\Archive\UnzipOptions())
            ->withZipOutputPath($this->getImportTempDirectory());

        $unzip = $this->archives->unzip(Streams::ofResource(fopen($file_to_import, 'r')), $options);
        $unzip->extract();

        if (!is_file($qtifile)) {
            ilFileUtils::delDir($importdir);
            $this->deleteUploadedImportFile($path_to_uploaded_file_in_temp_dir);
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('tst_import_non_ilias_zip'), true);
        }
        $qtiParser = new ilQTIParser($importdir, $qtifile, ilQTIParser::IL_MO_VERIFY_QTI, 0, []);
        $qtiParser->startParsing();
        $founditems = $qtiParser->getFoundItems();

        $complete = 0;
        $incomplete = 0;
        foreach ($founditems as $item) {
            if ($item["type"] !== '') {
                $complete++;
            } else {
                $incomplete++;
            }
        }

        if (count($founditems) && $complete == 0) {
            ilFileUtils::delDir($importdir);
            $this->deleteUploadedImportFile($path_to_uploaded_file_in_temp_dir);
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('qpl_import_non_ilias_files'));
            return;
        }

        ilSession::set('path_to_import_file', $file_to_import);
        ilSession::set('path_to_uploaded_file_in_temp_dir', $path_to_uploaded_file_in_temp_dir);

        if ($qtiParser->getQuestionSetType() !== ilObjTest::QUESTION_SET_TYPE_FIXED
            || file_exists($this->buildResultsFilePath($importdir, $subdir))) {
            $this->importVerifiedFileObject(true);
            return;
        }

        $form = $this->buildImportQuestionsSelectionForm(
            'importVerifiedFile',
            $importdir,
            $qtifile,
            $file_to_import,
            $path_to_uploaded_file_in_temp_dir
        );

        if ($form === null) {
            return;
        }

        $panel = $this->ui_factory->panel()->standard(
            $this->lng->txt('import_tst'),
            [
                $this->ui_factory->legacy()->content($this->lng->txt('qpl_import_verify_found_questions')),
                $form
            ]
        );
        $this->tpl->setContent($this->ui_renderer->render($panel));
        $this->tpl->printToStdout();
        exit;
    }

    public function retrieveAdditionalDidacticTemplateOptions(): array
    {
        $tst = new ilObjTest();
        $defaults = $tst->getAvailableDefaults();
        if ($defaults === []) {
            return [];
        }

        $additional_options = [];
        foreach ($defaults as $row) {
            $additional_options["tstdef_" . $row["test_defaults_id"]] = [$row["name"],
                $this->lng->txt("tst_default_settings")];
        }
        return $additional_options;
    }

    public function afterSave(ilObject $new_object): void
    {
        $info = '';
        $new_object->saveToDb();

        $test_def_id = $this->getSelectedPersonalDefaultsSettingsFromForm();
        if ($test_def_id !== null
            && ($defaults = $new_object->getTestDefaults($test_def_id)) !== null) {
            $info = $new_object->applyDefaults($defaults);
        }

        $new_object->saveToDb();

        if ($new_object->getTestLogger()->isLoggingEnabled()) {
            $new_object->getTestLogger()->logTestAdministrationInteraction(
                $new_object->getTestLogger()->getInteractionFactory()->buildTestAdministrationInteraction(
                    $this->getRefId(),
                    $this->user->getId(),
                    TestAdministrationInteractionTypes::NEW_TEST_CREATED,
                    []
                )
            );
        }

        if ($info === '') {
            $this->tpl->setOnScreenMessage('success', $this->lng->txt('object_added'), true);
        } else {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt($info), true);
        }
        $this->ctrl->setParameter($this, 'ref_id', $new_object->getRefId());
        $this->ctrl->redirectByClass(SettingsMainGUI::class);
    }

    private function getSelectedPersonalDefaultsSettingsFromForm(): ?int
    {
        $data = $this->initCreateForm($this->type)
            ->withRequest($this->request)
            ->getData();
        return isset($data['didactic_templates'])
            ? $this->parseDidacticTemplateVar($data['didactic_templates'], 'tstdef')
            : null;
    }

    public function backToRepositoryObject()
    {
        $path = $this->tree->getPathFull($this->getTestObject()->getRefID());
        ilUtil::redirect($this->getReturnLocation("cancel", "./ilias.php?baseClass=ilRepositoryGUI&cmd=frameset&ref_id=" . $path[count($path) - 2]["child"]));
    }

    public function getTestObject(): ?ilObjTest
    {
        return $this->object;
    }

    public function importVerifiedFileObject(
        bool $skip_retrieve_selected_questions = false
    ): void {
        if (!$this->checkPermissionBool('create', '', $this->testrequest->strVal('new_type'))) {
            $this->redirectAfterMissingWrite();
        }
        $file_to_import = ilSession::get('path_to_import_file');
        $path_to_uploaded_file_in_temp_dir = ilSession::get('path_to_uploaded_file_in_temp_dir');
        list($subdir, $importdir, $xmlfile, $qtifile) = $this->buildImportDirectoriesFromImportFile($file_to_import);

        $new_obj = new ilObjTest(0, true);
        $new_obj->setTitle('dummy');
        $new_obj->setDescription('test import');
        $new_obj->create(true);
        $new_obj->createReference();
        $new_obj->putInTree($this->testrequest->getRefId());
        $new_obj->setPermissions($this->testrequest->getRefId());
        $new_obj->saveToDb();

        $selected_questions = [];
        if (!$skip_retrieve_selected_questions) {
            $selected_questions = $this->retrieveSelectedQuestionsFromImportQuestionsSelectionForm(
                'importVerifiedFile',
                $importdir,
                $qtifile,
                $this->request
            );
        }

        ilSession::set('tst_import_selected_questions', $selected_questions);

        $imp = new ilImport($this->testrequest->getRefId());
        $map = $imp->getMapping();
        $map->addMapping('components/ILIAS/Test', 'tst', 'new_id', (string) $new_obj->getId());

        if (is_file($importdir . DIRECTORY_SEPARATOR . '/manifest.xml')) {
            $imp->importObject($new_obj, $file_to_import, basename($file_to_import), 'tst', 'components/ILIAS/Test', true);
        } else {
            $test_importer = new ilTestImporter();
            $test_importer->setImport($imp);
            $test_importer->setInstallId(IL_INST_ID);
            $test_importer->setImportDirectory($importdir . '/' . $subdir);
            $test_importer->init();

            $test_importer->importXmlRepresentation(
                '',
                '',
                '',
                $map,
            );
        }

        if ($new_obj->getTestLogger()->isLoggingEnabled()) {
            $new_obj->getTestLogger()->logTestAdministrationInteraction(
                $new_obj->getTestLogger()->getInteractionFactory()->buildTestAdministrationInteraction(
                    $new_obj->getRefId(),
                    $this->user->getId(),
                    TestAdministrationInteractionTypes::NEW_TEST_CREATED,
                    []
                )
            );
        }

        ilFileUtils::delDir($importdir);
        $this->deleteUploadedImportFile($path_to_uploaded_file_in_temp_dir);
        ilSession::clear('path_to_import_file');
        ilSession::clear('path_to_uploaded_file_in_temp_dir');

        $this->tpl->setOnScreenMessage('success', $this->lng->txt("object_imported"), true);
        $this->ctrl->setParameterByClass(ilObjTestGUI::class, 'ref_id', $new_obj->getRefId());
        $this->ctrl->redirectByClass(ilObjTestGUI::class);
    }

    public function downloadFileObject()
    {
        $file = explode("_", $this->testrequest->raw("file_id"));
        $fileObj = new ilObjFile((int) $file[count($file) - 1], false);
        $fileObj->sendFile();
        exit;
    }

    public function fullscreenObject()
    {
        $page_gui = new ilAssQuestionPageGUI($this->testrequest->raw("pg_id"));
        $page_gui->showMediaFullscreen();
    }

    public function download_paragraphObject()
    {
        $pg_obj = new ilAssQuestionPage($this->testrequest->raw("pg_id"));
        $pg_obj->sendParagraph($this->testrequest->raw("par_id"), $this->testrequest->raw("downloadtitle"));
        exit;
    }

    public function createQuestionPool($name = "dummy", $description = ""): ilObjQuestionPool
    {
        $parent_ref = $this->tree->getParentId($this->getTestObject()->getRefId());
        $qpl = new ilObjQuestionPool();
        $qpl->setType("qpl");
        $qpl->setTitle($name);
        $qpl->setDescription($description);
        $qpl->create();
        $qpl->createReference();
        $qpl->putInTree($parent_ref);
        $qpl->setPermissions($parent_ref);
        $qpl->getObjectProperties()->storePropertyIsOnline($qpl->getObjectProperties()->getPropertyIsOnline()->withOnline()); // must be online to be available
        $qpl->saveToDb();
        return $qpl;
    }

    public function createQuestionObject(): void
    {
        $this->protectByWritePermission();

        $this->ctrl->setReturnByClass(self::class, self::SHOW_QUESTIONS_CMD);

        $form = $this->buildQuestionCreationForm()->withRequest($this->request);
        $data_with_section = $form->getData();
        if ($data_with_section === null) {
            $this->createQuestionFormObject($form);
            return;
        }
        $data = $data_with_section[0];

        $qpl_mode = $data['pool_selection']['qpl_type'];
        if ($qpl_mode === self::QUESTION_CREATION_POOL_SELECTION_NEW_POOL && $data['pool_selection']['title'] === ''
            || $qpl_mode === self::QUESTION_CREATION_POOL_SELECTION_EXISTING_POOL && $data['pool_selection']['pool_ref_id'] === 0) {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt("questionpool_not_entered"));
            $this->createQuestionFormObject($form);
            return;
        }

        $question_gui = assQuestionGUI::_getQuestionGUI(
            ilObjQuestionPool::getQuestionTypeByTypeId($data['question_type'])
        );
        $question_gui->setEditContext(assQuestionGUI::EDIT_CONTEXT_AUTHORING);
        $question = $question_gui->getObject();
        $question->setAdditionalContentEditingMode($data['editing_type']);
        $question->setObjId($this->getTestObject()->getId());
        $question_gui->setObject($question);
        $question_gui->setQuestionTabs();

        if (array_key_exists('position', $data)) {
            $question_gui->setMoveAfterQuestionId($data['position']);
        }

        if ($qpl_mode === self::QUESTION_CREATION_POOL_SELECTION_NEW_POOL) {
            $question_gui->setCopyToNewPoolOnSave($data['pool_selection']['title']);
        }

        if ($qpl_mode === self::QUESTION_CREATION_POOL_SELECTION_EXISTING_POOL) {
            $question_gui->setCopyToExistingPoolOnSave($data['pool_selection']['pool_ref_id']);
        }

        $question_gui->editQuestion();
    }

    public function cancelCreateQuestionObject(): void
    {
        $this->ctrl->redirect($this, self::SHOW_QUESTIONS_CMD);
    }

    private function insertQuestionsObject(?array $selected_array = null): void
    {
        $this->protectByWritePermission();

        if (($selected_array ?? $this->testrequest->getQuestionIds()) === []) {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('tst_insert_missing_question'), true);
            $this->ctrl->redirect($this, 'browseForQuestions');
        }

        $this->getTestObject()->saveCompleteStatus($this->test_question_set_config_factory->getQuestionSetConfig());
        $this->tpl->setOnScreenMessage('success', $this->lng->txt('tst_questions_inserted'), true);
        $this->ctrl->redirect($this, self::SHOW_QUESTIONS_CMD);
        return;
    }

    public function createQuestionFormObject(?Form $form = null): void
    {
        $this->protectByWritePermission();

        $this->tabs_manager->getQuestionsSubTabs();
        $this->tabs_manager->activateSubTab(TabsManager::SUBTAB_ID_QST_LIST_VIEW);

        $sub_screen_id = ['createQuestion'];

        $this->tabs_manager->activateTab(TabsManager::TAB_ID_QUESTIONS);
        $this->help->setScreenId('assQuestions');
        $this->help->setSubScreenId(implode('_', $sub_screen_id));

        $this->tpl->setContent(
            $this->ui_renderer->render(
                $form ?? $this->buildQuestionCreationForm()
            )
        );
    }

    private function buildQuestionCreationForm(): Form
    {
        $inputs['question_type'] = $this->buildInputQuestionType();
        $questions = $this->getTestObject()->getQuestionTitlesAndIndexes();
        if ($questions !== []) {
            $inputs['position'] = $this->buildInputPosition($questions);
        }

        $inputs['editing_type'] = $this->buildInputEditingType();

        if ($inputs['editing_type'] instanceof Radio) {
            $sub_screen_id[] = 'editMode';
        }

        $sub_screen_id[] = 'poolSelect';

        $inputs['pool_selection'] = $this->buildInputPoolSelection();

        $section = [
            $this->ui_factory->input()->field()->section($inputs, $this->lng->txt('ass_create_question'))
        ];

        $form = $this->ui_factory->input()->container()->form()->standard(
            $this->ctrl->getFormAction($this, 'createQuestion'),
            $section
        )->withSubmitLabel($this->lng->txt('create'));

        return $form;
    }

    private function buildInputQuestionType(): Select
    {
        $question_types = (new ilObjQuestionPool())->getQuestionTypes(false, true, false);
        $options = [];
        foreach ($question_types as $label => $data) {
            $options[$data['question_type_id']] = $label;
        }

        return $this->ui_factory->input()->field()->select(
            $this->lng->txt('question_type'),
            $options
        )->withRequired(true);
    }

    private function buildInputPosition(array $questions): Select
    {
        $options = [0 => $this->lng->txt('first')];
        foreach ($questions as $key => $title) {
            $options[$key] = $this->lng->txt('behind') . ' ' . $title
                . ' [' . $this->lng->txt('question_id_short') . ': ' . $key . ']';
        }
        return $this->ui_factory->input()->field()->select(
            $this->lng->txt('position'),
            $options
        )->withAdditionalTransformation($this->refinery->kindlyTo()->int());
    }

    private function buildInputEditingType(): Input
    {
        if (!$this->getTestObject()->getGlobalSettings()->isPageEditorEnabled()) {
            return $this->ui_factory->input()->field()->hidden()->withValue(
                assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_RTE
            );
        }

        return $this->ui_factory->input()->field()->radio($this->lng->txt('tst_add_quest_cont_edit_mode'))
            ->withOption(
                assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_IPE,
                $this->lng->txt('tst_add_quest_cont_edit_mode_IPE'),
                $this->lng->txt('tst_add_quest_cont_edit_mode_IPE_info')
            )->withOption(
                assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_RTE,
                $this->lng->txt('tst_add_quest_cont_edit_mode_RTE'),
                $this->lng->txt('tst_add_quest_cont_edit_mode_RTE_info')
            )
            ->withValue(assQuestion::ADDITIONAL_CONTENT_EDITING_MODE_IPE);
    }

    private function buildInputPoolSelection(): SwitchableGroup
    {
        $f = $this->ui_factory->input()->field();
        $kt = $this->refinery->kindlyTo();

        $trafo = $this->refinery->custom()->transformation(
            static function ($values) use ($kt): array {
                $return['qpl_type'] = $kt->int()->transform($values[0]);
                if ($return['qpl_type'] === self::QUESTION_CREATION_POOL_SELECTION_NO_POOL) {
                    return $return;
                }
                if ($return['qpl_type'] === self::QUESTION_CREATION_POOL_SELECTION_NEW_POOL) {
                    return $return + ['title' => $kt->string()->transform($values[1][0])];
                }
                return $return + ['pool_ref_id' => $kt->int()->transform($values[1][0])];
            }
        );

        $questionpools = ilObjQuestionPool::_getAvailableQuestionpools(false, false, true, false, false, "write");
        $pools_data = [];
        foreach ($questionpools as $key => $p) {
            $pools_data[$key] = $p['title'];
        }

        $inputs = [
            self::QUESTION_CREATION_POOL_SELECTION_NO_POOL => $f->group([], $this->lng->txt('assessment_no_pool')),
            self::QUESTION_CREATION_POOL_SELECTION_EXISTING_POOL => $f->group(
                [$f->select($this->lng->txt('select_questionpool'), $pools_data)],
                $this->lng->txt('assessment_existing_pool')
            ),
            self::QUESTION_CREATION_POOL_SELECTION_NEW_POOL => $f->group(
                [$f->text($this->lng->txt('name'))],
                $this->lng->txt('assessment_new_pool')
            )
        ];

        return $f->switchableGroup(
            $inputs,
            $this->lng->txt('assessment_pool_selection')
        )->withAdditionalTransformation($trafo)
            ->withRequired(true)
            ->withValue(1);
    }

    public function showQuestionsObject()
    {
        $this->protectByWritePermission();

        if ($this->testrequest->raw('add')) {
            $this->addQuestion();
            return;
        }

        $table_query = $this->getQuestionsTableQuery();
        if (($table_cmd = $table_query->getTableAction()) !== null) {
            if (!$this->getQuestionsTableActions()->handleCommand(
                $table_cmd,
                $table_query->getRowIds($this->object),
                fn() => $this->protectByWritePermission(),
                fn() => $this->createQuestionpoolTargetObject('copyAndLinkQuestionsToPool'),
                fn() => $this->getTable()
            )) {
                return;
            }
        }

        $this->tpl->addBlockFile('ADM_CONTENT', 'adm_content', 'tpl.il_as_tst_questions.html', 'components/ILIAS/Test');

        $this->setupToolBarAndMessage($this->getTestObject()->evalTotalPersons() !== 0);

        $this->tabs_manager->getQuestionsSubTabs();
        $this->tabs_manager->activateSubTab(TabsManager::SUBTAB_ID_QST_LIST_VIEW);

        $this->tpl->setCurrentBlock('adm_content');
        $this->tpl->setVariable('ACTION_QUESTION_FORM', $this->ctrl->getFormAction($this));
        $this->tpl->setVariable(
            'QUESTIONBROWSER',
            $this->ui_renderer->render(
                $this->getTable()->getTableComponent()
            )
        );
        $this->tpl->parseCurrentBlock();
    }

    private function addQuestion(): void
    {
        $selected_array = [$this->testrequest->int('add')];
        $total = $this->getTestObject()->evalTotalPersons();
        if ($total > 0) {
            // the test was executed previously
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('test_has_datasets_warning_page_view'));
            $this->showQuestionsObject();
            return;
        }
        $this->tpl->setOnScreenMessage('info', $this->lng->txt('tst_insert_questions'));
        $this->insertQuestionsObject($selected_array);
    }

    private function setupToolBarAndMessage(bool $has_started_test_runs): void
    {
        if (!$this->access->checkAccess('write', '', $this->ref_id)
            || $this->getTestObject()->isRandomTest()) {
            return;
        }

        if ($has_started_test_runs) {
            $link = $this->ui_factory->link()->standard(
                $this->lng->txt('test_has_datasets_warning_page_view_link'),
                $this->ctrl->getLinkTargetByClass([\ilTestParticipantsGUI::class])
            );

            $message = $this->lng->txt('test_has_datasets_warning_page_view');
            $massage_box = $this->ui_factory->messageBox()->info($message)->withLinks([$link]);
            $this->tpl->setCurrentBlock('mess');
            $this->tpl->setVariable(
                'MESSAGE',
                $this->ui_renderer->render($massage_box)
            );
            $this->tpl->parseCurrentBlock();
            return;
        }

        $this->toolbar->addButton($this->lng->txt('ass_create_question'), $this->ctrl->getLinkTarget($this, 'createQuestionForm'));
        $this->toolbar->addSeparator();
        $this->populateQuestionBrowserToolbarButtons($this->toolbar);
    }

    private function populateQuestionBrowserToolbarButtons(ilToolbarGUI $toolbar): void
    {
        $this->ctrl->setParameterByClass(
            ilTestQuestionBrowserTableGUI::class,
            ilTestQuestionBrowserTableGUI::MODE_PARAMETER,
            ilTestQuestionBrowserTableGUI::MODE_BROWSE_POOLS
        );

        $toolbar->addButton(
            $this->lng->txt('tst_browse_for_qpl_questions'),
            $this->ctrl->getLinkTargetByClass(
                ilTestQuestionBrowserTableGUI::class,
                ilTestQuestionBrowserTableGUI::CMD_BROWSE_QUESTIONS
            )
        );

        $this->ctrl->setParameterByClass(
            ilTestQuestionBrowserTableGUI::class,
            ilTestQuestionBrowserTableGUI::MODE_PARAMETER,
            ilTestQuestionBrowserTableGUI::MODE_BROWSE_TESTS
        );

        $toolbar->addButton(
            $this->lng->txt('tst_browse_for_tst_questions'),
            $this->ctrl->getLinkTargetByClass(
                ilTestQuestionBrowserTableGUI::class,
                ilTestQuestionBrowserTableGUI::CMD_BROWSE_QUESTIONS
            )
        );
    }

    public function takenObject(): void
    {
    }

    public function historyObject(): void
    {
        if (!$this->getTestObject()->getTestLogger()->isLoggingEnabled()
            || !$this->rbac_review->isAssigned($this->user->getId(), SYSTEM_ROLE_ID)
                && !$this->access->checkAccess('tst_history_read', '', $this->getTestObject()->getRefId())) {
            $this->redirectAfterMissingWrite();
        }

        $here_uri = $this->data_factory->uri(ILIAS_HTTP_PATH
            . '/' . $this->ctrl->getLinkTargetByClass(self::class, self::SHOW_LOGS_CMD));
        list($url_builder, $action_parameter_token, $row_id_token) = (new URLBuilder($here_uri))->acquireParameters(
            LogTable::QUERY_PARAMETER_NAME_SPACE,
            LogTable::ACTION_TOKEN_STRING,
            LogTable::ENTRY_TOKEN_STRING
        );

        if ($this->request_wrapper->has($action_parameter_token->getName())) {
            $this->getTestObject()->getTestLogViewer()->executeLogTableAction(
                $url_builder,
                $action_parameter_token,
                $row_id_token,
                $this->getTestObject()->getRefId()
            );
        }

        $this->toolbar->addComponent(
            $this->ui_factory->button()->standard(
                $this->lng->txt('export_legacy_logs'),
                $this->ctrl->getLinkTargetByClass(self::class, 'exportLegacyLogs')
            )
        );
        $this->tabs_manager->activateTab(TabsManager::TAB_ID_HISTORY);

        list($filter, $table_gui) = $this->getTestObject()->getTestLogViewer()->getLogTable(
            $url_builder,
            $action_parameter_token,
            $row_id_token,
            $this->getTestObject()->getRefId()
        );

        $this->tpl->setVariable('ADM_CONTENT', $this->ui_renderer->render([$filter, $table_gui]));
    }

    public function exportLegacyLogsObject(): void
    {
        $this->protectByWritePermission();

        $csv_output = $this->getTestObject()->getTestLogViewer()->getLegacyLogExportForObjId($this->getTestObject()->getId());

        ilUtil::deliverData(
            $csv_output,
            "legacy_logs_for_{$this->getTestObject()->getRefId()}.csv"
        );
    }

    public function participantsActionObject(): void
    {
        $command = $this->testrequest->strVal('command');
        if ($command === '') {
            $method = $command . 'Object';
            if (method_exists($this, $method)) {
                $this->$method();
                return;
            }
        }
        $this->ctrl->redirect($this, 'participants');
    }

    public function defaultsObject()
    {
        $this->protectByWritePermission();

        $this->tabs_manager->activateTab(TabsManager::TAB_ID_SETTINGS);

        $this->toolbar->setFormAction($this->ctrl->getFormAction($this, 'addDefaults'));
        $this->toolbar->addFormButton($this->lng->txt('add'), 'addDefaults');
        $this->toolbar->addInputItem(new ilTextInputGUI($this->lng->txt('tst_defaults_defaults_of_test'), 'name'), true);
        $table = new ilTestPersonalDefaultSettingsTableGUI($this, 'defaults');
        $defaults = $this->getTestObject()->getAvailableDefaults();
        $table->setData($defaults);
        $this->tpl->setContent($table->getHTML());
    }

    public function deleteDefaultsObject()
    {
        $this->protectByWritePermission();

        $defaults_ids = $this->testrequest->retrieveArrayOfIntsFromPost('chb_defaults');
        if ($defaults_ids !== null && $defaults_ids !== []) {
            foreach ($defaults_ids as $test_default_id) {
                $this->getTestObject()->deleteDefaults($test_default_id);
            }
        } else {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('select_one'));
        }
        $this->defaultsObject();
    }

    public function confirmedApplyDefaultsObject()
    {
        $this->protectByWritePermission();

        $this->applyDefaultsObject(true);
        return;
    }

    public function applyDefaultsObject($confirmed = false): void
    {
        $this->protectByWritePermission();

        $defaults_id = $this->testrequest->retrieveArrayOfIntsFromPost('chb_defaults');
        if ($defaults_id === []) {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('tst_defaults_apply_select_one'));
            $this->defaultsObject();
            return;
        }

        // do not apply if user datasets exist
        if ($this->getTestObject()->evalTotalPersons() > 0
            || ($defaults = $this->getTestObject()->getTestDefaults($defaults_id[0])) === null) {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('tst_defaults_apply_not_possible'));
            $this->defaultsObject();
            return;
        }

        $default_settings = unserialize(
            $defaults['defaults'],
            ['allowed_classes' => [DateTimeImmutable::class]]
        );

        if (isset($default_settings['isRandomTest'])) {
            if ($default_settings['isRandomTest']) {
                $new_question_set_type = ilObjTest::QUESTION_SET_TYPE_RANDOM;
                $this->getTestObject()->setQuestionSetType(ilObjTest::QUESTION_SET_TYPE_RANDOM);
            } else {
                $new_question_set_type = ilObjTest::QUESTION_SET_TYPE_FIXED;
                $this->getTestObject()->setQuestionSetType(ilObjTest::QUESTION_SET_TYPE_FIXED);
            }
        } elseif (isset($default_settings['questionSetType'])) {
            $new_question_set_type = $default_settings['questionSetType'];
        }
        $old_question_set_type = $this->getTestObject()->getQuestionSetType();
        $question_set_type_setting_switched = ($old_question_set_type != $new_question_set_type);

        $old_question_set_config = $this->test_question_set_config_factory->getQuestionSetConfig();

        switch (true) {
            case !$question_set_type_setting_switched:
            case !$old_question_set_config->doesQuestionSetRelatedDataExist():
            case $confirmed:

                break;

            default:

                $confirmation = new ilTestSettingsChangeConfirmationGUI($this->testrequest, $this->getTestObject());

                $confirmation->setFormAction($this->ctrl->getFormAction($this));
                $confirmation->setCancel($this->lng->txt('cancel'), 'defaults');
                $confirmation->setConfirm($this->lng->txt('confirm'), 'confirmedApplyDefaults');

                $confirmation->setOldQuestionSetType($this->getTestObject()->getQuestionSetType());
                $confirmation->setNewQuestionSetType($new_question_set_type);
                $confirmation->setQuestionLossInfoEnabled(false);
                $confirmation->build();

                $confirmation->populateParametersFromPost();

                $this->tpl->setContent($this->ctrl->getHTML($confirmation));

                return;
        }

        if ($question_set_type_setting_switched && !$this->getTestObject()->getOfflineStatus()) {
            $this->getTestObject()->setOfflineStatus(true);
            $info = $this->lng->txt('tst_set_offline_due_to_switched_question_set_type_setting');
            $this->tpl->setOnScreenMessage('info', $info, true);
        }

        $info = $this->getTestObject()->applyDefaults($defaults);
        if ($info === '') {
            $this->tpl->setOnScreenMessage('success', $this->lng->txt('tst_defaults_applied'), true);
        } else {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt($info), true);
        }



        if ($question_set_type_setting_switched && $old_question_set_config->doesQuestionSetRelatedDataExist()) {
            $old_question_set_config->removeQuestionSetRelatedData();
        }

        $this->ctrl->redirect($this, 'defaults');
    }

    public function addDefaultsObject(): void
    {
        $this->protectByWritePermission();

        $name = $this->testrequest->strVal('name');
        if ($name !== '') {
            $this->getTestObject()->addDefaults($name);
        } else {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('tst_defaults_enter_name'));
        }
        $this->defaultsObject();
    }

    private function isCommandClassAnyInfoScreenChild(): bool
    {
        if (in_array($this->ctrl->getCmdClass(), self::INFO_SCREEN_CHILD_CLASSES)) {
            return true;
        }

        return false;
    }

    private function infoScreenObject(): void
    {
        $this->ctrl->redirectByClass(
            [ilRepositoryGUI::class, self::class, ilInfoScreenGUI::class]
        );
    }

    private function forwardToInfoScreen(): void
    {
        if (!$this->access->checkAccess('visible', '', $this->ref_id)
            && !$this->access->checkAccess('read', '', $this->ref_id)) {
            $this->redirectAfterMissingRead();
        }

        if ($this->getTestObject()->getMainSettings()->getAdditionalSettings()->getHideInfoTab()) {
            $this->ctrl->redirectByClass([self::class, TestScreenGUI::class], TestScreenGUI::DEFAULT_CMD);
        }

        $this->tabs_manager->activateTab(TabsManager::TAB_ID_INFOSCREEN);

        if ($this->access->checkAccess('read', '', $this->ref_id)) {
            $this->trackTestObjectReadEvent();
        }
        $info = new ilInfoScreenGUI($this);

        if ($this->isCommandClassAnyInfoScreenChild()) {
            $this->ctrl->forwardCommand($info);
        }

        $toolbar = new ilTestInfoScreenToolbarGUI(
            $this->getTestObject(),
            $this->test_player_factory->getPlayerGUI(),
            $this->test_question_set_config_factory->getQuestionSetConfig(),
            $this->test_session_factory->getSession(),
            $this->db,
            $this->access,
            $this->ctrl,
            $this->lng,
            $this->ui_factory,
            $this->ui_renderer,
            $this->tpl,
            $this->toolbar
        );

        $toolbar->setCloseFormTag(false);

        $toolbar->setSessionLockString('');
        $toolbar->build();
        $toolbar->sendMessages();

        $info->enablePrivateNotes();

        $info->addSection($this->lng->txt('tst_general_properties'));
        $info->addProperty(
            $this->lng->txt('author'),
            $this->refinery->encode()->htmlSpecialCharsAsEntities()->transform(
                $this->getTestObject()->getAuthor()
            )
        );
        $info->addProperty(
            $this->lng->txt('title'),
            $this->refinery->encode()->htmlSpecialCharsAsEntities()->transform(
                $this->getTestObject()->getTitle()
            )
        );

        if ($this->type !== 'tst') {
            $info->hideFurtherSections(false);
        }

        $info->addSection($this->lng->txt('tst_sequence_properties'));
        $info->addProperty(
            $this->lng->txt('tst_sequence'),
            $this->lng->txt(
                $this->getTestObject()->getMainSettings()->getParticipantFunctionalitySettings()->getPostponedQuestionsMoveToEnd()
                    ? 'tst_sequence_postpone' : 'tst_sequence_fixed'
            )
        );

        $info->addSection($this->lng->txt('tst_heading_scoring'));
        $info->addProperty(
            $this->lng->txt('tst_text_count_system'),
            $this->lng->txt(
                ($this->getTestObject()->getCountSystem() == SettingsScoring::COUNT_PARTIAL_SOLUTIONS) ? 'tst_count_partial_solutions' : 'tst_count_correct_solutions'
            )
        );
        if ($this->getTestObject()->isRandomTest()) {
            $info->addProperty($this->lng->txt('tst_pass_scoring'), $this->lng->txt(($this->getTestObject()->getPassScoring() == ilObjTest::SCORE_BEST_PASS) ? 'tst_pass_best_pass' : 'tst_pass_last_pass'));
        }

        $info->addSection($this->lng->txt('tst_score_reporting'));
        $info->addProperty(
            $this->lng->txt('tst_score_reporting'),
            $this->getTestObject()->getScoreSettings()->getResultSummarySettings()
                ->getScoreReporting()->getTranslatedValue($this->lng)
        );
        $reporting_date = $this->getTestObject()
            ->getScoreSettings()
            ->getResultSummarySettings()
            ->getReportingDate();
        if ($reporting_date !== null) {
            $info->addProperty(
                $this->lng->txt('tst_score_reporting_date'),
                $reporting_date
                    ->setTimezone(new DateTimeZone($this->user->getTimeZone()))
                    ->format($this->user->getDateTimeFormat()->toString())
            );
        }

        $info->addSection($this->lng->txt('tst_session_settings'));
        $info->addProperty($this->lng->txt('tst_nr_of_tries'), $this->getTestObject()->getNrOfTries() === 0 ? $this->lng->txt('unlimited') : (string) $this->getTestObject()->getNrOfTries());
        if ($this->getTestObject()->getNrOfTries() != 1) {
            $info->addProperty(
                $this->lng->txt('tst_nr_of_tries_of_user'),
                ($this->test_session_factory->getSession()->getPass() === 0) ?
                    $this->lng->txt('tst_no_tries') : (string) $this->test_session_factory->getSession()->getPass()
            );
        }

        if ($this->getTestObject()->getEnableProcessingTime()) {
            $info->addProperty($this->lng->txt('tst_processing_time'), $this->getTestObject()->getProcessingTime());
        }

        $starting_time = $this->getTestObject()->getStartingTime();
        if ($this->getTestObject()->isStartingTimeEnabled() && $starting_time !== 0) {
            $info->addProperty($this->lng->txt('tst_starting_time'), ilDatePresentation::formatDate(new ilDateTime($starting_time, IL_CAL_UNIX)));
        }
        $ending_time = $this->getTestObject()->getEndingTime();
        if ($this->getTestObject()->isEndingTimeEnabled() && $ending_time != 0) {
            $info->addProperty($this->lng->txt('tst_ending_time'), ilDatePresentation::formatDate(new ilDateTime($ending_time, IL_CAL_UNIX)));
        }
        $info->addMetaDataSections($this->getTestObject()->getId(), 0, $this->getTestObject()->getType());

        $this->ctrl->forwardCommand($info);
    }

    protected function removeImportFailsObject()
    {
        $qsaImportFails = new ilAssQuestionSkillAssignmentImportFails($this->getTestObject()->getId());
        $qsaImportFails->deleteRegisteredImportFails();
        $sltImportFails = new ilTestSkillLevelThresholdImportFails($this->getTestObject()->getId());
        $sltImportFails->deleteRegisteredImportFails();

        $this->ctrl->redirectByClass([ilRepositoryGUI::class, self::class, ilInfoScreenGUI::class]);
    }

    public function addLocatorItems(): void
    {
        switch ($this->ctrl->getCmd()) {
            case "run":
            case "infoScreen":
            case "redirectToInfoScreen":
            case "start":
            case "resume":
            case "previous":
            case "next":
            case "summary":
            case "finishTest":
            case "outCorrectSolution":
            case "showAnswersOfUser":
            case "outUserResultsOverview":
            case "backFromSummary":
            case "show_answers":
            case "setsolved":
            case "resetsolved":
            case "outTestSummary":
            case "outQuestionSummary":
            case "gotoQuestion":
            case "selectImagemapRegion":
            case "confirmSubmitAnswers":
            case "finalSubmission":
            case "postpone":
            case "outUserPassDetails":
            case "checkPassword":
                $this->locator->addItem(
                    $this->getTestObject()->getTitle(),
                    $this->ctrl->getLinkTargetByClass(
                        [self::class, TestScreenGUI::class],
                        TestScreenGUI::DEFAULT_CMD
                    ),
                    '',
                    $this->testrequest->getRefId()
                );
                break;
            case "eval_stat":
            case "evalAllUsers":
            case "evalUserDetail":
                $this->locator->addItem(
                    $this->getTestObject()->getTitle(),
                    $this->ctrl->getLinkTarget($this, 'eval_stat'),
                    '',
                    $this->testrequest->getRefId()
                );
                break;
            case "create":
            case "save":
            case "cancel":
            case "importFile":
            case "cloneAll":
            case "importVerifiedFile":
            case "cancelImport":
                break;
            default:
                $this->locator->addItem(
                    $this->getTestObject()->getTitle(),
                    $this->ctrl->getLinkTargetByClass(
                        [self::class, TestScreenGUI::class],
                        TestScreenGUI::DEFAULT_CMD
                    ),
                    '',
                    $this->testrequest->getRefId()
                );
                break;
        }
    }

    public function statisticsObject()
    {
    }

    public function certificateObject()
    {
        $this->tabs_manager->activateTab(TabsManager::TAB_ID_SETTINGS);

        $guiFactory = new ilCertificateGUIFactory();
        $output_gui = $guiFactory->create($this->getTestObject());

        $output_gui->certificateEditor();
    }

    public function getTabs(): void
    {
        $this->help->setScreenIdComponent("tst");

        if ($this->tabs_manager === null) {
            return;
        }

        if ($this->getObjectiveOrientedContainer()->isObjectiveOrientedPresentationRequired()) {
            $courseLink = ilLink::_getLink($this->getObjectiveOrientedContainer()->getRefId());
            $this->tabs_manager->setParentBackLabel($this->lng->txt('back_to_objective_container'));
            $this->tabs_manager->setParentBackHref($courseLink);
        }

        $this->tabs_manager->perform();
    }

    public static function accessViolationRedirect()
    {
        global $DIC;
        $main_tpl = $DIC->ui()->mainTemplate();

        $main_tpl->setOnScreenMessage('failure', $DIC->language()->txt("no_permission"), true);
        $DIC->ctrl()->redirectByClass(TestScreenGUI::class, TestScreenGUI::DEFAULT_CMD);
    }

    public static function _goto($target)
    {
        global $DIC;
        $main_tpl = $DIC->ui()->mainTemplate();
        $ilAccess = $DIC['ilAccess'];
        $ilErr = $DIC['ilErr'];
        $lng = $DIC['lng'];

        if ($ilAccess->checkAccess('read', '', (int) $target)
            || $ilAccess->checkAccess('visible', '', (int) $target)) {
            $DIC->ctrl()->setParameterByClass(self::class, 'ref_id', (int) $target);
            $DIC->ctrl()->redirectByClass(
                [
                    ilRepositoryGUI::class,
                    ilObjTestGUI::class,
                    TestScreenGUI::class
                ],
                TestScreenGUI::DEFAULT_CMD
            );
        } elseif ($ilAccess->checkAccess('read', '', ROOT_FOLDER_ID)) {
            $main_tpl->setOnScreenMessage('info', sprintf(
                $lng->txt('msg_no_perm_read_item'),
                ilObject::_lookupTitle(ilObject::_lookupObjId((int) $target))
            ), true);
            ilObjectGUI::_gotoRepositoryRoot();
        }

        $ilErr->raiseError($lng->txt('msg_no_perm_read_lm'), $ilErr->FATAL);
    }

    public function copyQuestionsToPoolObject()
    {
        $this->copyQuestionsToPool($this->testrequest->raw('q_id'), $this->testrequest->raw('sel_qpl'));
        $this->ctrl->redirect($this, self::SHOW_QUESTIONS_CMD);
    }

    public function copyQuestionsToPool(array $question_ids, int $qpl_id): stdClass
    {
        $target_pool = new ilObjQuestionPool($qpl_id, false);
        $new_ids = [];
        foreach ($question_ids as $q_id) {
            $new_id = $this->copyQuestionToPool(assQuestion::instantiateQuestionGUI($q_id), $target_pool);
            $new_ids[$q_id] = $new_id;
        }

        $result = new stdClass();
        $result->ids = $new_ids;
        $result->qpoolid = $qpl_id;

        return $result;
    }

    public function copyQuestionToPool(assQuestionGUI $source_question_gui, ilObjQuestionPool $target_pool): int
    {
        $new_title = $target_pool->appendCounterToQuestionTitleIfNecessary(
            $source_question_gui->getObject()->getTitle()
        );

        return $source_question_gui->getObject()->createNewOriginalFromThisDuplicate($target_pool->getId(), $new_title);
    }

    public function copyAndLinkQuestionsToPoolObject(
        ?int $ref_id = null,
        array $question_ids = []
    ) {

        $ref_id = $ref_id ?? $this->testrequest->int('sel_qpl');
        if ($ref_id === null
            || $ref_id === 0) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt("questionpool_not_selected"));
            $this->showQuestionsObject();
            return;
        }

        $qpl_id = $this->obj_data_cache->lookupObjId($ref_id);


        if ($question_ids === []) {
            $question_ids = $this->testrequest->getQuestionIds();
            $question_id = $this->testrequest->getQuestionId();
            if ($question_ids === [] && $question_id !== 0) {
                $question_ids = [$question_id];
            }
        }

        if ($question_ids === []) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt("tst_no_question_selected_for_moving_to_qpl"));
            $this->ctrl->redirect($this, 'questions');
        }

        $result = $this->copyQuestionsToPool($question_ids, $qpl_id);

        foreach ($result->ids as $oldId => $newId) {
            $questionInstance = assQuestion::instantiateQuestion($oldId);

            $original_question_id = $questionInstance->getOriginalId();
            if ($original_question_id !== null
                && $this->test_questions_repository->originalQuestionExists($original_question_id)) {
                $oldOriginal = assQuestion::instantiateQuestion($original_question_id);
                $oldOriginal->delete($oldOriginal->getId());
            }
            assQuestion::saveOriginalId($questionInstance->getId(), $newId);
        }

        $this->tpl->setOnScreenMessage('success', $this->lng->txt('tst_qst_added_to_pool_' . (count($result->ids) > 1 ? 'p' : 's')), true);
        $this->ctrl->redirect($this, self::SHOW_QUESTIONS_CMD);
    }

    public function copyToQuestionpoolObject()
    {
        $this->createQuestionpoolTargetObject('copyQuestionsToPool');
    }

    public function createQuestionPoolAndCopyObject()
    {
        if (!$this->access->checkAccess('write', '', $this->object->getRefId())
            || !$this->checkPermissionBool('create', '', 'qpl')) {
            $this->redirectAfterMissingWrite();
        }

        if ($this->testrequest->raw('title')) {
            $title = $this->testrequest->raw('title');
        } else {
            $title = $this->testrequest->raw('txt_qpl');
        }

        if (!$title) {
            $this->tpl->setOnScreenMessage('failure', $this->lng->txt('questionpool_not_entered'));
            $this->createQuestionpoolTargetObject('createQuestionPoolAndCopy');
            return;
        }

        $question_pool = $this->createQuestionPool($title, $this->testrequest->raw('description'));
        $_REQUEST['sel_qpl'] = $question_pool->getRefId();

        $this->copyAndLinkQuestionsToPoolObject();
    }

    public function createQuestionpoolTargetObject(string $cmd): void
    {
        $this->protectByWritePermission();

        $this->tabs_manager->getQuestionsSubTabs();
        $this->tabs_manager->activateSubTab(TabsManager::SUBTAB_ID_QST_LIST_VIEW);

        $questionpools = $this->getTestObject()->getAvailableQuestionpools(
            false,
            false,
            false,
            true,
            false,
            'write'
        );

        if ($questionpools === []) {
            $form = $this->getTargetQuestionpoolForm($questionpools, 'createQuestionPoolAndCopy');
        } else {
            $form = $this->getTargetQuestionpoolForm($questionpools, $cmd);

            switch ($cmd) {
                case 'copyQuestionsToPool':
                    break;

                case 'copyAndLinkQuestionsToPool':
                    $hidden = new ilHiddenInputGUI('link');
                    $hidden->setValue('1');
                    $form->addItem($hidden);
                    break;
            }
        }

        $this->tpl->setContent($form->getHTML());
    }

    protected function getTargetQuestionpoolForm($questionpools, string $cmd): ilPropertyFormGUI
    {
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->addCommandButton($cmd, $this->lng->txt('submit'));
        $form->addCommandButton('cancelCreateQuestion', $this->lng->txt('cancel'));

        if (count($questionpools) == 0) {
            $form->setTitle($this->lng->txt("tst_enter_questionpool"));

            $title = new ilTextInputGUI($this->lng->txt('title'), 'title');
            $title->setRequired(true);
            $form->addItem($title);

            $description = new ilTextAreaInputGUI($this->lng->txt('description'), 'description');
            $form->addItem($description);
        } else {
            $form->setTitle($this->lng->txt("tst_select_questionpool"));

            $selectOptions = [
                '' => $this->lng->txt('please_select')
            ];

            foreach ($questionpools as $key => $value) {
                $selectOptions[$key] = $value["title"];
            }

            $select = new ilSelectInputGUI($this->lng->txt('tst_source_question_pool'), 'sel_qpl');
            $select->setRequired(true);
            $select->setOptions($selectOptions);

            $form->addItem($select);
        }

        $table_query = $this->getQuestionsTableQuery();
        if ($table_query->getTableAction() !== null) {
            $question_ids = $table_query->getRowIds($this->object);
        } elseif ($this->testrequest->isset('q_id') && is_array($this->testrequest->raw('q_id'))) {
            $question_ids = $this->testrequest->raw('q_id');
        }

        foreach ($question_ids as $id) {
            $hidden = new ilHiddenInputGUI('q_id[]');
            $hidden->setValue((string) $id);
            $form->addItem($hidden);
        }

        return $form;
    }

    protected function protectByWritePermission(): void
    {
        if (!$this->access->checkAccess('write', '', $this->ref_id)) {
            $this->tpl->setOnScreenMessage('info', $this->lng->txt('cannot_edit_test'), true);
            $this->ctrl->redirectByClass([ilRepositoryGUI::class, self::class, ilInfoScreenGUI::class]);
        }
    }

    protected function determineObjectiveOrientedContainer()
    {
        if (!ilLOSettings::isObjectiveTest($this->ref_id)) {
            return;
        }

        $path = $this->tree->getPathFull($this->ref_id);

        while ($parent = array_pop($path)) {
            if ($parent['type'] === 'crs') {
                $container_ref_id = $parent['ref_id'];
                break;
            }
        }

        $container_obj_id = ilObject2::_lookupObjId($container_ref_id);

        $this->objective_oriented_container->setObjId($container_obj_id);
        $this->objective_oriented_container->setRefId($container_ref_id);
    }

    protected function getObjectiveOrientedContainer(): ilTestObjectiveOrientedContainer
    {
        return $this->objective_oriented_container;
    }

    private function getTestScreenGUIInstance(): TestScreenGUI
    {
        return new TestScreenGUI(
            $this->getTestObject(),
            $this->user,
            $this->ui_factory,
            $this->ui_renderer,
            $this->lng,
            $this->refinery,
            $this->ctrl,
            $this->tpl,
            $this->content_style,
            $this->http,
            $this->tabs_manager,
            $this->access,
            $this->test_access,
            $this->db,
            $this->rbac_system
        );
    }

    protected function getQuestionsTableQuery(): QuestionsTableQuery
    {
        if ($this->table_query === null) {
            $id = $this->object ? $this->object->getId() : '';
            $this->table_query = new QuestionsTableQuery(
                $this->http,
                $this->refinery,
                $this->data_factory,
                ['qlist', $id]
            );
        }
        return $this->table_query;
    }

    protected function getQuestionsTableActions(): QuestionsTableActions
    {
        if ($this->table_actions === null) {
            $this->table_actions = new QuestionsTableActions(
                $this->ui_factory,
                $this->ui_renderer,
                $this->tpl,
                $this->request,
                $this->getQuestionsTableQuery(),
                $this->lng,
                $this->ctrl,
                $this->test_questions_repository,
                new QuestionPrinter(
                    $this->ui_factory,
                    $this->tpl,
                    $this->tabs_manager,
                    $this->toolbar,
                    $this->refinery,
                    $this->lng,
                    $this->ctrl,
                    $this->user,
                    new \ilTestQuestionHeaderBlockBuilder($this->lng),
                    $this->getTestObject()
                ),
                $this->object,
                $this->getTestObject()->getGlobalSettings()->isAdjustingQuestionsWithResultsAllowed(),
                $this->getTestObject()->evalTotalPersons() !== 0,
                $this->getTestObject()->isRandomTest(),
                $this->test_question_set_config_factory
            );
        }
        return $this->table_actions;
    }

    protected function getTable(): QuestionsTable
    {
        return new QuestionsTable(
            $this->ui_factory,
            $this->refinery,
            $this->http->request(),
            $this->getQuestionsTableActions(),
            $this->lng,
            $this->object,
            $this->test_questions_repository,
            $this->title_builder
        );
    }
}