function toc_node_block_view in TOC Node 7

Implements hook_block_view().

File

./toc_node.module, line 276

Code

function toc_node_block_view($delta = '') {
  $block = array();
  switch ($delta) {
    case 'toc_node':
      if (arg(0) != 'node' || !is_numeric(arg(1))) {
        return;
      }

      // Get the nid
      $nid = arg(1);
      $node = node_load($nid);
      $toc_enabled = variable_get('toc_node_enabled_' . $node->type, 0);

      // Check if TOC is enabled for this content type.
      if (empty($toc_enabled)) {
        return;
      }

      // Check if TOC is set to not display.
      if (!isset($node->toc_node_style) || $node->toc_node_style == 'none') {
        return;
      }
      $node_rendered = node_view($node);
      $node_content = drupal_render($node_rendered);
      $content = toc_node_generate($node_content, $node->toc_node_style, $node->toc_node_level, $node->toc_node_back_to_top_links, 'toc_list');
      if ($content != $node_content) {
        $block['subject'] = t('Contents');
        $block['content'] = $content;
      }
      break;
  }
  return $block;
}