class.ilPageMultiLangGUI.php

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<?php

class ilPageMultiLangGUI
{
    protected ilObjectTranslation $ot;
    protected \ilCtrl $ctrl;
    protected ilLanguage $lng;
    protected bool $single_page_mode = false;

    public function __construct(
        string $a_parent_type,
        int $a_parent_id,
        bool $a_single_page_mode = false
    ) {
        global $DIC;

        $this->ctrl = $DIC->ctrl();
        $this->lng = $DIC->language();
        //$this->ml = new ilPageMultiLang($a_parent_type, $a_parent_id);

        // object translation
        $this->ot = ilObjectTranslation::getInstance($a_parent_id);
    }

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

        $next_class = $ilCtrl->getNextClass();

        switch ($next_class) {
            default:
                $cmd = $ilCtrl->getCmd("settings");
                if (in_array($cmd, array("settings", "activateMultilinguality", "cancel",
                    "saveMultilingualitySettings", "confirmDeactivateMultiLanguage", "addLanguage",
                    "saveLanguages", "deactivateMultiLang", "confirmRemoveLanguages",
                    "removeLanguages"))) {
                    $this->$cmd();
                }
                break;
        }
    }

    public function getMultiLangInfo(
        string $a_page_lang = "-"
    ): string {
        $lng = $this->lng;

        if ($a_page_lang == "") {
            $a_page_lang = "-";
        }

        $lng->loadLanguageModule("meta");

        $tpl = new ilTemplate("tpl.page_multi_lang_info.html", true, true, "Services/COPage");
        $tpl->setVariable("TXT_MASTER_LANG", $lng->txt("obj_master_lang"));
        $tpl->setVariable("VAL_ML", $lng->txt("meta_l_" . $this->ot->getMasterLanguage()));
        $cl = ($a_page_lang == "-")
            ? $this->ot->getMasterLanguage()
            : $a_page_lang;
        $tpl->setVariable("TXT_CURRENT_LANG", $lng->txt("cont_current_lang"));
        $tpl->setVariable("VAL_CL", $lng->txt("meta_l_" . $cl));
        return $tpl->get();
    }
}