protected function prepareElement($element)
    {
        $options    = $this->getOptions();
        $currClass  = $element->getAttribute('class');
        $class      = $currClass . (null !== $currClass ? ' ' : '') . $options['class'];

        $element->setAttributes(array(
            'class'             => $class,
            'data-color'        => $options['color'],
            'data-color-format' => $options['format'],
        ));

        return $element;
    }