class.ilLMTOCExplorerGUIFactory.php

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<?php

class ilLMTOCExplorerGUIFactory
{
    protected ilGlobalTemplateInterface $tpl;

    public function __construct()
    {
        global $DIC;

        $this->tpl = $DIC->ui()->mainTemplate();
    }

    public function getExplorer(
        ilLMPresentationService $service,
        string $parent_cmd = ""
    ): ilLMTOCExplorerGUI {
        // this needs a proper interface
        $tracker = $service->getTracker();
        $chapter_has_no_active_page = $service->getNavigationStatus()->isChapterWithoutActivePage();
        $lang = $service->getPresentationStatus()->getLang();
        $focus_id = $service->getPresentationStatus()->getFocusId();
        $export_all_languages = $service->getPresentationStatus()->exportAllLanguages();
        $current_page = $service->getNavigationStatus()->getCurrentPage();
        $deactivated_page = $service->getNavigationStatus()->isDeactivatedPage();
        $requested_obj_id = $service->getRequest()->getObjId();
        $lm = $service->getLearningModule();
        $lm_tree = $service->getLMTree();
        $offline = $service->getPresentationStatus()->offline();
        $exp = new ilLMTOCExplorerGUI(
            "illmpresentationgui",
            $parent_cmd,
            $service,
            $lang,
            $focus_id,
            $export_all_languages
        );
        $exp->setMainTemplate($this->tpl);
        $exp->setTracker($tracker);

        // determine highlighted and force open nodes
        $page_id = $current_page;
        if ($deactivated_page) {
            $page_id = $requested_obj_id;
        }
        if ($page_id > 0) {
            $exp->setPathOpen((int) $page_id);
        }
        // empty chapter
        if ($chapter_has_no_active_page &&
            ilLMObject::_lookupType($requested_obj_id) == "st") {
            $exp->setHighlightNode($requested_obj_id);
        } else {
            if ($lm->getTOCMode() == "pages") {
                if ($deactivated_page) {
                    $exp->setHighlightNode($requested_obj_id);
                } else {
                    $exp->setHighlightNode($page_id);
                }
            } else {
                $exp->setHighlightNode((int) $lm_tree->getParentId($page_id));
            }
        }
        if ($offline) {
            $exp->setOfflineMode(true);
        }
        return $exp;
    }
}