function tableOfContents($zones = null, $options = array())
{
$defOpt = array('group' => '<ul>%items%</ul>', 'item' => '<li><a href="%anchor%">%title%</a></li>', 'titleGroup' => '<ul>%groups%</ul>', 'title' => '<li><p>%title%</p>%items%</li>');
$opt = array_merge($defOpt, $options);
if (empty($zones)) {
$zones = array_keys($this->boxes_by_zone);
}
if (!is_array($zones)) {
$zones = array($zones);
}
$named = !set::numeric(array_keys($zones));
$out = '';
foreach ($zones as $key => $id) {
$links = '';
if (!empty($this->boxes_by_zone[$id])) {
foreach ($this->boxes_by_zone[$id] as $box) {
if (!empty($box['NewsletterBox']['data']['title'])) {
$anchor = '#' . strtolower(Inflector::slug($box['NewsletterBox']['data']['title'])) . '_' . $box['NewsletterBox']['id'];
$replace = array('%anchor%' => $anchor, '%title%' => $box['NewsletterBox']['data']['title']);
$links .= str_replace(array_keys($replace), array_values($replace), $opt['item']);
}
}
if (!empty($links)) {
$links = str_replace('%items%', $links, $opt['group']);
}
}
if (!empty($links) && $named) {
$replace = array('%title%' => $key, '%items%' => $links);
$out .= str_replace(array_keys($replace), array_values($replace), $opt['title']);
} else {
$out .= $links;
}
}
if (!empty($out) && $named) {
$out = str_replace('%groups%', $out, $opt['titleGroup']);
}
return $out;
}
