private function getLabelFor($property)
    {
        switch ($property) {

            case 'nid':
                return t("Node ID.");

            case 'vid':
                return t("Revision ID.");

            case 'type':
                return t("Type");

            case 'language':
                return t("Language");

            case 'label':
                return t("Label");

            case 'title':
                return t("Title");

            case 'uid':
                return t("User ID.");

            case 'status':
                return t("Status");

            case 'changed':
                return t("Latest update at");

            case 'created':
                return t("Created at");

            case 'promote':
                return t("Promoted");

            case 'sticky':
                return t("Sticked");

            case 'name':
                return t("Name");

            case 'pass':
                return t("Password");

            case 'mail':
                return t("E-mail");

            case 'theme':
                return t("Theme");

            case 'signature':
                return t("Signature");

            case 'signature_format':
                return t("Signature format");

            case 'access':
                return t("Lastest access at");

            case 'login':
                return t("Lastest login at");

            case 'timezone':
                return t("Timezone");

            case 'description':
                return t("Description");

            case 'format':
                return t("Format");
        }

        return $property;
    }