public function linkAttribsToHTMLString($link_attr, $body = '', $classes = '', $id = '', $styles = '')
    {
        $link_text = null;
        if (strlen($link_attr->title)) {
            $link_text = $link_attr->title;
        } elseif (strlen($body)) {
            $link_text = $body;
        } else {
            $link_text = $link_attr->href;
        }
        return Html::link(
            $link_attr->href,
            $link_text,
            array(
                'title'  => $link_attr->title,
                'target' => $link_attr->target,
                'class'  => $classes,
                'id'     => $id,
                'style'  => $styles
            )
        );
    }