Croogo nestedLinks()

nestedLinks

    public function nestedLinks($links, $options = array(), $depth = 1) {
        $_options = array();
        $options = array_merge($_options, $options);

        $output = '';

            // Remove locale part before comparing links
            if (!empty($this->params['locale'])) {
                $currentUrl = substr($this->params['url']['url'], strlen($this->params['locale']));
            } else {
                $currentUrl = $this->params['url']['url'];
            }

        foreach ($links AS $link) {
            $linkAttr = array(
                'id' => 'link-' . $link['Link']['id'],
                'rel' => $link['Link']['rel'],
                'target' => $link['Link']['target'],
                'title' => $link['Link']['description'],
            );

            foreach ($linkAttr AS $attrKey => $attrValue) {
                if ($attrValue == null) {
                    unset($linkAttr[$attrKey]);
                }
            }

            // if link is in the format: controller:contacts/action:view
            if (strstr($link['Link']['link'], 'controller:')) {
                $link['Link']['link'] = $this->linkStringToArray($link['Link']['link']);
            }

            if (Router::url($link['Link']['link']) == Router::url('/' . $currentUrl)) {
                $linkAttr['class'] = $options['selected'];
            }

            $linkOutput = $this->Html->link($link['Link']['title'], $link['Link']['link'], $linkAttr);
            if (isset($link['children']) && count($link['children']) > 0) {
                $linkOutput .= $this->nestedLinks($link['children'], $options, $depth + 1);
            }
            $linkOutput = $this->Html->tag('li', $linkOutput);
            $output .= $linkOutput;
        }
        if ($output != null) {
            $tagAttr = $options['tagAttributes'];
            if ($options['dropdown'] && $depth == 1) {
                $tagAttr['class'] = $options['dropdownClass'];
            }
            $output = $this->Html->tag($options['tag'], $output, $tagAttr);
        }

        return $output;
    }