protected function renderRefreshButton()
    {
        $options = [
            'class' => 'btn btn-box-tool',
            'data-widget' => 'reload-list',
            'data-toggle' => 'tooltip',
            'title' => Yii::t('adminlte', 'Refresh'),
        ];

        return Html::button(FA::i(FA::_REFRESH), $options);
    }