protected function renderRadio($name, $value, $options)
    {
        $options['tabindex'] = self::TABINDEX;

        if (!isset($options['label'])) {
            $options['label'] = '';
        }

        if (!array_key_exists('uncheck', $options)) {
            $options['uncheck'] = 0;
        }

        $input = Html::radio($name, $value, $options);

        return Html::tag('div', $input, ['class' => 'radio']);
    }