function context_reaction_breadcrumb::execute in Context 6.3

Same name and namespace in other branches

1. 6 plugins/context_reaction_breadcrumb.inc \context_reaction_breadcrumb::execute()

Override of execute().

Overrides context_reaction_menu::execute

File

plugins/context_reaction_breadcrumb.inc, line 10

Class

context_reaction_breadcrumb

Set the breadcrumb using a context reaction.

Code

function execute(&$vars = NULL) {
  if ($active_paths = $this
    ->get_active_paths()) {
    $breadcrumb = array(
      l(t('Home'), '<front>', array(
        'purl' => array(
          'disabled' => TRUE,
        ),
      )),
    );
    foreach ($active_paths as $path) {
      $result = db_query("SELECT p1, p2, p3, p4, p5, p6, p7, p8 FROM {menu_links} WHERE hidden = 0 AND link_path = '%s'", $path);
      while ($parents = db_fetch_array($result)) {
        $set = FALSE;
        foreach (array_filter($parents) as $plid) {
          $parent = menu_link_load($plid);
          if ($parent && $parent['access'] && empty($parent['hidden']) && !empty($parent['title'])) {
            $set = TRUE;
            $breadcrumb[] = l($parent['title'], $parent['href']);
          }
        }

        // Only set the breadcrumb if one or more links were added to the
        // trail. If not, continue iterating through possible menu links.
        if ($set) {
          drupal_set_breadcrumb($breadcrumb);
          break;
        }
      }
    }
  }
}