detail.sitemap.php

<ul id="sitemap">
<?php
$level = 0;
foreach ($Main->getSiteMap() as $row) {
    if ($row['level'] != $level) {
        if ($row['level'] > $level) {
            print "<ul>";
            print str_repeat("<li><ul>", $row['level'] - $level - 1);
        } else {
            print str_repeat("</li></ul>", $level - $row['level']);
        }
        $level = $row['level'];
    }
    print "<li>";
    print "<a href=\"" . $Main->getHref($row['id']) . "\">" . htmlspecialchars($row['title']) . "</a>";
}
print str_repeat("</li></ul>", $level);
?>
</ul>
<script>
cmsRequire(['jquery', 'plugins/jquery.treeview', 'css!plugins/jquery.treeview'], function($) {
    $('#sitemap').treeview();
});
</script>