class.ilObjItemGroupGUI.php

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<?php

use ILIAS\ItemGroup\StandardGUIRequest;

class ilObjItemGroupGUI extends ilObject2GUI
{
    protected \ILIAS\ItemGroup\InternalGUIService $gui;
    protected StandardGUIRequest $ig_request;
    protected ilTabsGUI $tabs;
    protected ilHelpGUI $help;

    public function __construct(
        int $a_id = 0,
        int $a_id_type = self::REPOSITORY_NODE_ID,
        int $a_parent_node_id = 0
    ) {
        global $DIC;
        parent::__construct($a_id, $a_id_type, $a_parent_node_id);

        $this->lng = $DIC->language();
        $this->tabs = $DIC->tabs();
        $this->access = $DIC->access();
        $this->tpl = $DIC["tpl"];
        $this->ctrl = $DIC->ctrl();
        $this->locator = $DIC["ilLocator"];
        $this->tree = $DIC->repositoryTree();
        $this->help = $DIC["ilHelp"];
        $this->gui = $DIC->itemGroup()->internal()->gui();
        $this->ig_request = $this->gui
            ->standardRequest();
    }

    protected function afterConstructor(): void
    {
        $lng = $this->lng;

        $lng->loadLanguageModule("itgr");
        $this->ctrl->saveParameter($this, array("ref_id"));
    }

    final public function getType(): string
    {
        return "itgr";
    }

    public function executeCommand(): void
    {
        $ilTabs = $this->tabs;
        $next_class = $this->ctrl->getNextClass($this);

        switch ($next_class) {
            case 'ilpermissiongui':
                $this->prepareOutput();
                $ilTabs->activateTab("perm_settings");
                $this->addHeaderAction();
                $perm_gui = new ilPermissionGUI($this);
                $this->ctrl->forwardCommand($perm_gui);
                break;

            case "ilcommonactiondispatchergui":
                $gui = ilCommonActionDispatcherGUI::getInstanceFromAjaxCall();
                $this->ctrl->forwardCommand($gui);
                break;

            case 'ilobjecttranslationgui':
                $this->checkPermissionBool("write");
                $this->prepareOutput();
                $this->setSettingsSubTabs("settings_trans");
                $transgui = new ilObjectTranslationGUI($this);
                $transgui->setEnableFallbackLanguage(false);
                $transgui->supportContentTranslation(false);
                $transgui->hideDescription(true);
                $this->ctrl->forwardCommand($transgui);
                break;

            case 'ildidactictemplategui':
                $this->checkPermissionBool("write");
                $this->prepareOutput();
                $this->ctrl->setReturn($this, 'edit');
                $did = new ilDidacticTemplateGUI($this, $this->ig_request->getDidactivTemplateId());
                $this->ctrl->forwardCommand($did);
                break;

            default:
                $cmd = $this->ctrl->getCmd("listMaterials");
                $this->prepareOutput();
                $this->addHeaderAction();
                $this->$cmd();
                break;
        }
    }

    public function addLocatorItems(): void
    {
        $ilLocator = $this->locator;
        $ilAccess = $this->access;

        if (is_object($this->object) && $ilAccess->checkAccess("write", "", $this->object->getRefId())) {
            $ilLocator->addItem($this->object->getTitle(), $this->ctrl->getLinkTarget($this, "listMaterials"), "", $this->requested_ref_id);
        }
    }

    protected function initEditCustomForm(ilPropertyFormGUI $form): void
    {
        $form->removeItemByPostVar("desc");

        // Show didactic template type
        $this->initDidacticTemplate($form);

        // presentation
        $pres = new ilFormSectionHeaderGUI();
        $pres->setTitle($this->lng->txt('obj_presentation'));
        $form->addItem($pres);

        // show title
        $cb = new ilCheckboxInputGUI($this->lng->txt("itgr_show_title"), "show_title");
        $cb->setInfo($this->lng->txt("itgr_show_title_info"));
        $form->addItem($cb);

        // behaviour
        $options = ilItemGroupBehaviour::getAll();
        $si = new ilSelectInputGUI($this->lng->txt("itgr_behaviour"), "behaviour");
        $si->setInfo($this->lng->txt("itgr_behaviour_info"));
        $si->setOptions($options);
        $cb->addSubItem($si);

        // tile/list
        $lpres = new ilRadioGroupInputGUI($this->lng->txt('itgr_list_presentation'), "list_presentation");

        $std_list = new ilRadioOption($this->lng->txt('itgr_list_default'), "");
        $std_list->setInfo($this->lng->txt('itgr_list_default_info'));
        $lpres->addOption($std_list);

        $item_list = new ilRadioOption($this->lng->txt('itgr_list'), "list");
        $lpres->addOption($item_list);

        $tile_view = new ilRadioOption($this->lng->txt('itgr_tile'), "tile");
        $lpres->addOption($tile_view);

        // tile size
        $si = new ilRadioGroupInputGUI($this->lng->txt("itgr_tile_size"), "tile_size");
        $dummy_container = new ilContainer();
        $this->lng->loadLanguageModule("cont");
        foreach ($dummy_container->getTileSizes() as $key => $txt) {
            $op = new ilRadioOption($txt, $key);
            $si->addOption($op);
        }
        $tile_view->addSubItem($si);
        $si->setValue($this->object->getTileSize());

        $lpres->setValue($this->object->getListPresentation());
        $form->addItem($lpres);
    }

    public function edit(): void
    {
        if (!$this->checkPermissionBool("write")) {
            $this->error->raiseError($this->lng->txt("msg_no_perm_write"), $this->error->MESSAGE);
        }

        $this->tabs_gui->activateTab("settings");

        $form = $this->initEditForm();
        $values = $this->getEditFormValues();
        if ($values) {
            $form->setValuesByArray($values, true);
        }

        $this->addExternalEditFormCustom($form);

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

    protected function afterUpdate(): void
    {
        // check if template is changed
        $current_tpl_id = ilDidacticTemplateObjSettings::lookupTemplateId(
            $this->object->getRefId()
        );
        $new_tpl_id = $this->getDidacticTemplateVar('dtpl');

        if ($new_tpl_id !== $current_tpl_id) {
            $this->ctrl->setParameterByClass(ilDidacticTemplateGUI::class, "didactic_type", $new_tpl_id);
            $this->ctrl->redirectByClass(ilDidacticTemplateGUI::class, "confirmTemplateSwitch");
            return;
        }
        parent::afterUpdate();
    }

    public function listMaterials(): void
    {
        $tree = $this->tree;
        $ilTabs = $this->tabs;
        $tpl = $this->tpl;

        $this->checkPermission("write");

        $ilTabs->activateTab("materials");

        $parent_ref_id = $tree->getParentId($this->object->getRefId());
        $parent_type = ilObject::_lookupType($parent_ref_id, true);
        $parent_gui_class = 'ilObj' . $this->obj_definition->getClassName($parent_type) . 'GUI';
        $this->ctrl->setParameterByClass($parent_gui_class, 'ref_id', $parent_ref_id);
        $gui = new ILIAS\ILIASObject\Creation\AddNewItemGUI(
            $this->buildAddNewItemElements(
                $this->getCreatableObjectTypes(),
                $parent_gui_class,
                $this->object->getRefId()
            )
        );
        $gui->render();
        $this->ctrl->clearParameterByClass($parent_gui_class, 'ref_id');

        $tab = new ilItemGroupItemsTableGUI($this->gui, $this, "listMaterials");
        $tpl->setContent($tab->getHTML());
    }

    public function getCreatableObjectTypes(): array
    {
        $parent_ref_id = $this->tree->getParentId($this->object->getRefId());
        $parent_type = ilObject::_lookupType($parent_ref_id, true);
        $parent_gui_class = 'ilObj' . $this->obj_definition->getClassName($parent_type) . 'GUI';
        $parent_gui = new $parent_gui_class('', $parent_ref_id, true, false);
        $types = $parent_gui->getCreatableObjectTypes();
        foreach (array_merge(['itgr', 'sess' ], $this->obj_definition->getSideBlockTypes()) as $type_to_remove) {
            unset($types[$type_to_remove]);
        }
        return $types;
    }

    public function saveItemAssignment(): void
    {
        $ilCtrl = $this->ctrl;

        $this->checkPermission("write");

        $item_group_items = new ilItemGroupItems($this->object->getRefId());
        $items = $this->ig_request->getItems();
        $item_group_items->setItems($items);
        $item_group_items->update();

        $this->tpl->setOnScreenMessage('success', $this->lng->txt('msg_obj_modified'), true);
        $ilCtrl->redirect($this, "listMaterials");
    }

    public function getTemplate(): void
    {
        $this->tpl->loadStandardTemplate();
    }

    protected function setTabs(): void
    {
        $ilAccess = $this->access;
        $ilTabs = $this->tabs;
        $ilHelp = $this->help;
        $lng = $this->lng;
        $tree = $this->tree;

        $ilHelp->setScreenIdComponent("itgr");

        $parent_ref_id = $tree->getParentId($this->object->getRefId());
        $parent_obj_id = ilObject::_lookupObjId($parent_ref_id);
        $parent_type = ilObject::_lookupType($parent_obj_id);

        $ilTabs->setBackTarget(
            $lng->txt('obj_' . $parent_type),
            ilLink::_getLink($parent_ref_id),
            "_top"
        );

        if ($ilAccess->checkAccess("write", "", $this->object->getRefId())) {
            $ilTabs->addTab(
                'materials',
                $lng->txt('itgr_materials'),
                $this->ctrl->getLinkTarget($this, 'listMaterials')
            );

            $ilTabs->addTab(
                'settings',
                $lng->txt('settings'),
                $this->ctrl->getLinkTarget($this, 'edit')
            );
        }

        if ($ilAccess->checkAccess("edit_permission", "", $this->object->getRefId())) {
            $ilTabs->addTab(
                "perm_settings",
                $lng->txt('perm_settings'),
                $this->ctrl->getLinkTargetByClass(array(get_class($this),'ilpermissiongui'), "perm")
            );
        }
    }

    protected function setSettingsSubTabs(string $active_tab = "general"): void
    {
        $this->tabs_gui->addSubTab(
            "general",
            $this->lng->txt("settings"),
            $this->ctrl->getLinkTarget($this, "edit")
        );

        $this->tabs_gui->addSubTab(
            "settings_trans",
            $this->lng->txt("obj_multilinguality"),
            $this->ctrl->getLinkTargetByClass("ilobjecttranslationgui", "")
        );
        $this->tabs_gui->activateTab("settings");
        $this->tabs_gui->activateSubTab($active_tab);
    }

    public static function _goto(string $a_target): void
    {
        global $DIC;
        $main_tpl = $DIC->ui()->mainTemplate();

        $ilAccess = $DIC->access();
        $lng = $DIC->language();
        $tree = $DIC->repositoryTree();

        $targets = explode('_', $a_target);
        $ref_id = $targets[0];
        $par_id = $tree->getParentId($ref_id);

        if ($ilAccess->checkAccess("read", "", $par_id)) {
            ilUtil::redirect(ilLink::_getLink($par_id));
            exit;
        } elseif ($ilAccess->checkAccess("read", "", ROOT_FOLDER_ID)) {
            $main_tpl->setOnScreenMessage('failure', sprintf(
                $lng->txt("msg_no_perm_read_item"),
                ilObject::_lookupTitle(ilObject::_lookupObjId($a_target))
            ), true);
            ilObjectGUI::_gotoRepositoryRoot();
        }

        throw new ilPermissionException($lng->txt("msg_no_perm_read"));
    }

    public function gotoParent(): void
    {
        $ilAccess = $this->access;
        $tree = $this->tree;

        $ref_id = $this->object->getRefId();
        $par_id = $tree->getParentId($ref_id);

        if ($ilAccess->checkAccess("read", "", $par_id)) {
            ilUtil::redirect(ilLink::_getLink($par_id));
            exit;
        }
    }

    public function afterSaveCallback(ilObject $a_obj): void
    {
        // add new object to materials
        $items = new ilItemGroupItems($this->object->getRefId());
        $items->addItem($a_obj->getRefId());
        $items->update();
    }

    protected function getEditFormCustomValues(array &$a_values): void
    {
        $a_values["show_title"] = !$this->object->getHideTitle();
        $a_values["behaviour"] = $this->object->getBehaviour();
        $a_values["list_presentation"] = $this->object->getListPresentation();
        $a_values["tile_size"] = $this->object->getTileSize();
    }

    protected function updateCustom(ilPropertyFormGUI $form): void
    {
        $this->object->setHideTitle(!$form->getInput("show_title"));
        $behaviour = ($form->getInput("show_title"))
            ? $form->getInput("behaviour")
            : ilItemGroupBehaviour::ALWAYS_OPEN;
        $this->object->setBehaviour($behaviour);
        $this->object->setListPresentation($form->getInput("list_presentation"));
        $this->object->setTileSize($form->getInput("tile_size"));
    }

    protected function initCreateForm(string $new_type): \ILIAS\UI\Component\Input\Container\Form\Standard
    {
        $object = $this->getObject();
        if ($object === null) {
            $object = new ilObject();
        }
        $form_fields['title'] = $this->ui_factory->input()->field()->text($this->lng->txt('title'))
            ->withMaxLength(ilObject::TITLE_LENGTH)
            ->withRequired(true);

        $didactic_templates = $this->didacticTemplatesToForm();

        if ($didactic_templates !== null) {
            $form_fields['didactic_templates'] = $didactic_templates;
        }

        return $this->ui_factory->input()->container()->form()->standard(
            $this->ctrl->getFormAction($this, 'save'),
            $form_fields
        )->withSubmitLabel($this->lng->txt($new_type . '_add'));
    }

    public function save(): void
    {
        // create permission is already checked in createObject. This check here is done to prevent hacking attempts
        if (!$this->checkPermissionBool("create", "", $this->requested_new_type)) {
            $this->error->raiseError($this->lng->txt("no_create_permission"), $this->error->MESSAGE);
        }

        $this->lng->loadLanguageModule($this->requested_new_type);
        $this->ctrl->setParameter($this, "new_type", $this->requested_new_type);

        $form = $this->initCreateForm($this->requested_new_type);
        $data = $form->withRequest($this->request)->getData();
        if ($data === null) {
            $this->tpl->setContent($this->getCreationFormsHTML($form));
            return;
        }

        $this->ctrl->setParameter($this, 'new_type', '');

        $new_obj = new ilObjItemGroup();
        $new_obj->setType($this->requested_new_type);
        $new_obj->processAutoRating();
        $new_obj->setTitle($data['title']);
        $new_obj->create();

        $this->putObjectInTree($new_obj);

        $dtpl = $data['didactic_templates'] ?? null;
        if ($dtpl !== null) {
            $dtpl_id = $this->parseDidacticTemplateVar($dtpl, 'dtpl');
            $new_obj->applyDidacticTemplate($dtpl_id);
        }

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