protected function initOptions()
    {
        $view = Yii::$app->view;

        $opts = [
            'confirmButtonText' => Yii::t('sweetsubmit', 'Ok'),
            'cancelButtonText'  => Yii::t('sweetsubmit', 'Cancel'),
        ];
        $opts = Json::encode($opts);

        $view->registerJs("yii.sweetSubmitOptions = $opts;", View::POS_END);
    }