function taxonomy_term_page

Menu callback; displays all nodes associated with a term.

File

modules/taxonomy.module, line 904

Enables the organization of content into categories.

Code

function taxonomy_term_page($str_tids = '', $depth = 0, $op = 'page') {
  if (preg_match('/^([0-9]+[+ ])+[0-9]+$/', $str_tids)) {
    $operator = 'or';

    // The '+' character in a query string may be parsed as ' '.
    $tids = preg_split('/[+ ]/', $str_tids);
  }
  else {
    if (preg_match('/^([0-9]+,)*[0-9]+$/', $str_tids)) {
      $operator = 'and';
      $tids = explode(',', $str_tids);
    }
    else {
      drupal_not_found();
    }
  }

  // Needed for '+' to show up in RSS discovery URLs
  $rss_tids = urlencode($str_tids);
  if ($tids) {

    // Build title:
    $result = db_query('SELECT name FROM {term_data} WHERE tid IN (%s)', implode(',', $tids));
    $names = array();
    while ($term = db_fetch_object($result)) {
      $names[] = $term->name;
    }
    if ($names) {
      drupal_set_title($title = check_plain(implode(', ', $names)));
      switch ($op) {
        case 'page':

          // Build breadcrumb based on first hierarchy of first term:
          $current->tid = $tids[0];
          $breadcrumbs = array(
            array(
              'path' => $_GET['q'],
            ),
          );
          while ($parents = taxonomy_get_parents($current->tid)) {
            $current = array_shift($parents);
            $breadcrumbs[] = array(
              'path' => 'taxonomy/term/' . $current->tid,
              'title' => $current->name,
            );
          }
          $breadcrumbs = array_reverse($breadcrumbs);
          menu_set_location($breadcrumbs);
          drupal_add_link(array(
            'rel' => 'alternate',
            'type' => 'application/rss+xml',
            'title' => 'RSS - ' . $title,
            'href' => url('taxonomy/term/' . $rss_tids . '/' . $depth . '/feed'),
          ));
          $output = taxonomy_render_nodes(taxonomy_select_nodes($tids, $operator, $depth, TRUE));
          $output .= theme('xml_icon', url("taxonomy/term/{$rss_tids}/{$depth}/feed"));
          print theme('page', $output);
          break;
        case 'feed':
          $term = taxonomy_get_term($tids[0]);
          $channel['link'] = url('taxonomy/term/' . $str_tids . '/' . $depth, NULL, NULL, TRUE);
          $channel['title'] = variable_get('site_name', 'drupal') . ' - ' . $title;
          $channel['description'] = $term->description;
          $result = taxonomy_select_nodes($tids, $operator, $depth, FALSE);
          node_feed($result, $channel);
          break;
        default:
          drupal_not_found();
      }
    }
    else {
      drupal_not_found();
    }
  }
}