class.ilBiblTranslationGUI.php

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<?php

use ILIAS\components\OrgUnit\ARHelper\DIC;
use ILIAS\MetaData\Services\ServicesInterface as LOMServices;

class ilBiblTranslationGUI
{
    use DIC;
    public const P_TRANSLATIONS = 'translations';
    public const P_DELETE = 'delete';
    public const CMD_ADD_LANGUAGE = "addLanguages";
    public const CMD_SAVE_LANGUAGES = "saveLanguages";
    public const CMD_SAVE_TRANSLATIONS = "saveTranslations";
    public const CMD_DELETE_TRANSLATIONS = "deleteTranslations";
    public const CMD_DEFAULT = 'index';
    private ilCtrlInterface $ctrl;
    private \ilGlobalTemplateInterface $main_tpl;
    private LOMServices $lom_services;


    public function __construct(protected \ilBiblAdminFactoryFacadeInterface $facade, protected \ilBiblFieldInterface $field)
    {
        global $DIC;
        $DIC->language()->loadLanguageModule('obj');
        $this->main_tpl = $DIC->ui()->mainTemplate();
        $this->ctrl = $DIC['ilCtrl'];
        $this->lom_services = $DIC->learningObjectMetadata();
    }


    public function executeCommand(): void
    {
        $cmd = $this->ctrl->getCmd(self::CMD_DEFAULT);
        $this->{$cmd}();
    }


    protected function index(): void
    {
        $this->initToolbar();

        $table = new ilBiblTranslationTableGUI($this, $this->field, $this->facade->translationFactory());
        $this->tpl()->setContent($table->getHTML());
    }


    protected function initToolbar(): void
    {
        $this->toolbar()->addButton($this->lng()->txt("obj_add_languages"), $this->ctrl
            ->getLinkTarget($this, self::CMD_ADD_LANGUAGE));
    }


    protected function saveTranslations(): void
    {
        $to_translate = (array) $this->http()->request()->getParsedBody()[self::P_TRANSLATIONS];
        foreach ($to_translate as $id => $data) {
            $translation = $this->facade->translationFactory()->findById($id);
            $translation->setTranslation($data['translation']);
            $translation->setDescription($data['description']);
            $translation->store();
        }
        $this->main_tpl->setOnScreenMessage('info', $this->lng()->txt('bibl_msg_translations_saved'), true);
        $this->cancel();
    }


    protected function deleteTranslations(): void
    {
        $to_delete = (array) $this->http()->request()->getParsedBody()[self::P_DELETE];
        foreach ($to_delete as $id) {
            $this->facade->translationFactory()->deleteById($id);
        }
        $this->main_tpl->setOnScreenMessage('info', $this->lng()->txt('bibl_msg_translations_deleted'), true);
        $this->cancel();
    }


    protected function addLanguages(): void
    {
        $form = $this->getLanguagesForm();

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


    protected function saveLanguages(): void
    {
        $form = $this->getLanguagesForm();
        if ($form->checkInput()) {
            $ad = $form->getInput("additional_langs");
            if (is_array($ad)) {
                foreach ($ad as $language_key) {
                    $this->facade->translationFactory()
                        ->findArCreateInstanceForFieldAndlanguage($this->field, $language_key);
                }
            }
            $this->main_tpl->setOnScreenMessage('info', $this->lng()->txt("msg_obj_modified"), true);
            $this->cancel();
        }

        $this->main_tpl->setOnScreenMessage('failure', $this->lng()->txt('err_check_input'));
        $form->setValuesByPost();
        $this->tpl()->setContent($form->getHTML());
    }


    protected function getLanguagesForm(): \ilPropertyFormGUI
    {
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));

        // master language
        //              $options = ilMDLanguageItem::_getLanguages();
        //              $si = new ilSelectInputGUI($this->lng()->txt("obj_master_lang"), "master_lang");
        //              $si->setOptions($options);
        //              $si->setValue($this->user()->getLanguage());
        //              $form->addItem($si);

        // additional languages
        $options = [];
        foreach ($this->lom_services->dataHelper()->getAllLanguages() as $language) {
            $options[$language->value()] = $language->presentableLabel();
        }
        $options = ["" => $this->lng()->txt("please_select")] + $options;
        $si = new ilSelectInputGUI($this->lng()->txt("obj_additional_langs"), "additional_langs");
        $si->setOptions($options);
        $si->setMulti(true);
        $form->addItem($si);

        $form->setTitle($this->lng()->txt("obj_add_languages"));
        $form->addCommandButton(self::CMD_SAVE_LANGUAGES, $this->lng()->txt("save"));
        $form->addCommandButton(self::CMD_DEFAULT, $this->lng()->txt("cancel"));

        return $form;
    }


    protected function cancel(): void
    {
        $this->ctrl->redirect($this, self::CMD_DEFAULT);
    }
}