function toc_node_links in TOC Node 7

Create the TOC links, including numbering of content items.

Parameters

$dom_document:

$links_data:

$style:

Return value

array

1 call to toc_node_links()

toc_node_generate in ./toc_node.module

Generate the TOC.

File

./toc_node.module, line 424

Code

function toc_node_links($dom_document, $links_data, $style) {
  $path = drupal_get_path_alias($_GET['q']);
  $toc_number = array();
  $toc_tags = $dom_document
    ->getElementsByTagName('toc');
  foreach ($toc_tags as $toc_tag) {
    $toc_id = $toc_tag->attributes
      ->getNamedItem('class')->value;
    $link = $links_data[$toc_id];

    // TOC always starts at H2, so we need to adjust level here.
    $toc_level = $link['level'] - 1;
    $toc_level_count = count($toc_number);
    for ($i = $link['level']; $i <= $toc_level_count; $i++) {
      unset($toc_number[$i]);
    }
    if (empty($toc_number[$toc_level])) {
      $toc_number[$toc_level] = 1;
    }
    else {
      $toc_number[$toc_level] = $toc_number[$toc_level] + 1;
    }
    $link_number = implode('.', $toc_number);
    $data = '';
    if ($style == 'numbers') {
      $data .= '<span class="toc-number">' . $link_number . '</span> ';
    }
    $data .= '<span class="toc-text">' . $link['label'] . '</span>';
    $links[] = array(
      'data' => l($data, $path, array(
        'fragment' => $toc_id,
        'html' => TRUE,
      )),
      'class' => array(
        'toc-node-level-' . $toc_level,
      ),
    );
  }
  if (empty($links)) {
    return '';
  }
  $item_list = theme('item_list', array(
    'items' => $links,
    'type' => 'ul',
    'attributes' => array(
      'class' => 'toc-node-' . $style,
    ),
  ));
  return theme('toc_node_links', array(
    'links' => $item_list,
  ));
}