/**
     * Renders the link in a a tag with link attributes or
     * the label in a span tag with label attributes
     *
     * Tests if item has a an uri and if not tests if it's
     * the current item and if the text has to be rendered
     * as a link or not.
     *
     * @param MenuItem $item The item to render the link or label for
     * @return string
     */
    public function renderLink($item)
    {
        $text = '';
        if (!$item->getUri()) {
            $text = sprintf('<span%s>%s</span>', $this->renderHtmlAttributes($item->getLabelAttributes()), $item->renderLabel());
        }
        else {
            if (($item->getIsCurrent() && $item->getParent()->getCurrentAsLink())
                || !$item->getIsCurrent()) {
                $text = sprintf('<a href="%s"%s>%s</a>', $item->getUri(), $this->renderHtmlAttributes($item->getLinkAttributes()), $item->renderLabel());
            }
            else {
                $text = sprintf('<span%s>%s</span>', $this->renderHtmlAttributes($item->getLabelAttributes()), $item->renderLabel());
            }
        }

        return $this->format($text, 'link', $item->getLevel());
    }