public static function getCategoryFieldset() { $fieldset = new KT_Form_Fieldset(self::CATEGORY_FIELDSET, __("Kategorie", "ZZZ_ADMIN_DOMAIN")); $fieldset->setPostPrefix(self::CATEGORY_FIELDSET); $fieldset->addWpCategory(self::CATEGORY_NEWS_ID, __("Novinky:", "ZZZ_ADMIN_DOMAIN")); return $fieldset; }