<?php
function itf_menu() {
  $items = array();
  $items['sitemap'] = array(
    'title' => t('Sitemap'),
    'page callback' => 'itf_sitemap',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

function itf_sitemap() {
  $tree = menu_tree_all_data('menu-views4sitemap');

  $links = array();
  foreach ($tree as $item) {
    $links[] = array(
      'data' => l($item['link']['title'], $item['link']['link_path']),
      'children' => itf_sitemap_get_children($item)
    );
  }
  $title = '<h1>' . t('Sitemap') . '</h1>';
  return $title . theme_item_list($links);
}

function itf_sitemap_get_children($item) {
  $children = array();
  $node_types = node_get_types();

  if ($item['below']) {
    foreach ($item['below'] as $subitem) {
      $children[] = array(
        'data' => l($subitem['link']['title'], $subitem['link']['link_path']),
        'children' => itf_sitemap_get_children($subitem)
      );
    }
  }
  elseif (array_key_exists($item['link']['link_path'], $node_types)) {
    $result = db_query('SELECT `nid`, `title` FROM `node` WHERE `type` = "%s" AND status=1', $item['link']['link_path']);
    while ($row = db_fetch_object($result)) {
      $children[] = array('data' => l($row->title, 'node/' . $row->nid));
    }
  }
  elseif ($term = taxonomy_get_synonym_root($item['link']['link_path'])) {
    $result = taxonomy_select_nodes(array($term->tid));
    while ($row = db_fetch_object($result)) {
      $children[] = array('data' => l($row->title, 'node/' . $row->nid));
    }
  }

  return $children;
}