class.ilAssQuestionPageCommandForwarder.php

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<?php

declare(strict_types=1);

class ilAssQuestionPageCommandForwarder
{
    private \ILIAS\TestQuestionPool\QuestionInfoService $questioninfo;
    protected ?ilObjTest $testObj;

    protected \ILIAS\Test\InternalRequestService $testrequest;

    public function getTestObj(): ?ilObjTest
    {
        return $this->testObj;
    }

    public function setTestObj(ilObjTest $testObj): void
    {
        $this->testObj = $testObj;
    }

    public function forward(): void
    {
        /* @var ILIAS\DI\Container $DIC */
        global $DIC;
        $ctrl = $DIC->ctrl();
        $main_template = $DIC->ui()->mainTemplate();
        $lng = $DIC->language();
        $this->questioninfo = $DIC->testQuestionPool()->questionInfo();

        $this->testrequest = $DIC->test()->internal()->request();

        //echo $_REQUEST['prev_qid'];
        if ($this->testrequest->raw('prev_qid')) {
            $ctrl->setParameter($this, 'prev_qid', $this->testrequest->raw('prev_qid'));
        }

        $main_template->setCurrentBlock("ContentStyle");
        $main_template->setVariable(
            "LOCATION_CONTENT_STYLESHEET",
            ilObjStyleSheet::getContentStylePath(0)
        );
        $main_template->parseCurrentBlock();

        // syntax style
        $main_template->setCurrentBlock("SyntaxStyle");
        $main_template->setVariable(
            "LOCATION_SYNTAX_STYLESHEET",
            ilObjStyleSheet::getSyntaxStylePath()
        );
        $main_template->parseCurrentBlock();
        $q_gui = assQuestionGUI::_getQuestionGUI("", $this->testrequest->getQuestionId());

        $q_gui->setRenderPurpose(assQuestionGUI::RENDER_PURPOSE_PREVIEW);
        $q_gui->setQuestionTabs();
        $q_gui->outAdditionalOutput();
        $q_gui->object->setObjId($this->getTestObj()->getId());
        $question = &$q_gui->object;

        if ($ctrl->getCmd() === 'edit' && $this->questioninfo->isInActiveTest($this->testrequest->getQuestionId())) {
            $main_template->setOnScreenMessage('failure', $lng->txt("question_is_part_of_running_test"));
            $ctrl->redirectByClass('ilAssQuestionPreviewGUI', ilAssQuestionPreviewGUI::CMD_SHOW);
        }

        $ctrl->saveParameter($this, "q_id");
        $lng->loadLanguageModule("content");
        $ctrl->setReturnByClass("ilAssQuestionPageGUI", "view");
        $ctrl->setReturnByClass("ilObjTestGUI", "questions");
        $page_gui = new ilAssQuestionPageGUI($this->testrequest->getQuestionId());

        $page_gui->setEditPreview(true);
        if (strlen($ctrl->getCmd()) == 0) {
            $ctrl->setCmdClass(get_class($page_gui));
            $ctrl->setCmd("preview");
        }
        $page_gui->setQuestionHTML(array($q_gui->object->getId() => $q_gui->getPreview(true)));
        $page_gui->setTemplateTargetVar("ADM_CONTENT");
        $page_gui->setOutputMode($this->getTestObj()->evalTotalPersons() == 0 ? "edit" : 'preview');
        $page_gui->setHeader($question->getTitleForHTMLOutput());
        $page_gui->setPresentationTitle($question->getTitleForHTMLOutput() . ' [' . $lng->txt('question_id_short') . ': ' . $question->getId() . ']');

        $html = $ctrl->forwardCommand($page_gui);
        $main_template->setContent($html);
    }
}