Menu callback; displays all nodes associated with a term.

File

drupal-6.x/modules/taxonomy/taxonomy.pages.inc, line 11

Page callbacks for the taxonomy module.

Code

function taxonomy_term_page($str_tids = '', $depth = 0, $op = 'page') {
  $terms = taxonomy_terms_parse_string($str_tids);
  if ($terms['operator'] != 'and' && $terms['operator'] != 'or') {
    drupal_not_found();
  }

  if ($terms['tids']) {
    $result = db_query(db_rewrite_sql('SELECT t.tid, t.name FROM {term_data} t WHERE t.tid IN (' . db_placeholders($terms['tids']) . ')', 't', 'tid'), $terms['tids']);
    $tids = array(); // we rebuild the $tids-array so it only contains terms the user has access to.
    $names = array();
    while ($term = db_fetch_object($result)) {
      $tids[] = $term->tid;
      $names[] = $term->name;
    }

    if ($names) {
      $title = implode(', ', $names);
      drupal_set_title(check_plain($title));

      switch ($op) {
        case 'page':
          // Build breadcrumb based on first hierarchy of first term:
          $current->tid = $tids[0];
          $breadcrumb = array();
          while ($parents = taxonomy_get_parents($current->tid)) {
            $current = array_shift($parents);
            $breadcrumb[] = l($current->name, 'taxonomy/term/' . $current->tid);
          }
          $breadcrumb[] = l(t('Home'), NULL);
          $breadcrumb = array_reverse($breadcrumb);
          drupal_set_breadcrumb($breadcrumb);

          $output = theme('taxonomy_term_page', $tids, taxonomy_select_nodes($tids, $terms['operator'], $depth, TRUE));
          drupal_add_feed(url('taxonomy/term/' . $str_tids . '/' . $depth . '/feed'), 'RSS - ' . $title);
          return $output;
          break;

        case 'feed':
          $channel['link'] = url('taxonomy/term/' . $str_tids . '/' . $depth, array('absolute' => TRUE));
          $channel['title'] = variable_get('site_name', 'Drupal') . ' - ' . $title;
          // Only display the description if we have a single term, to avoid clutter and confusion.
          if (count($tids) == 1) {
            $term = taxonomy_get_term($tids[0]);
            // HTML will be removed from feed description, so no need to filter here.
            $channel['description'] = $term->description;
          }

          $result = taxonomy_select_nodes($tids, $terms['operator'], $depth, FALSE);
          $items = array();
          while ($row = db_fetch_object($result)) {
            $items[] = $row->nid;
          }

          node_feed($items, $channel);
          break;

        default:
          drupal_not_found();
      }
    }
    else {
      drupal_not_found();
    }
  }
}