ForumNodeBreadcrumbBuilder::build

public ForumNodeBreadcrumbBuilder::build(RouteMatchInterface $route_match)

Builds the breadcrumb.

Parameters

\Drupal\Core\Routing\RouteMatchInterface $route_match: The current route match.

Return value

\Drupal\Core\Breadcrumb\Breadcrumb A breadcrumb.

Overrides ForumBreadcrumbBuilderBase::build

File

core/modules/forum/src/Breadcrumb/ForumNodeBreadcrumbBuilder.php, line 25

Class

ForumNodeBreadcrumbBuilder
Breadcrumb builder for forum nodes.

Namespace

Drupal\forum\Breadcrumb

Code

public function build(RouteMatchInterface $route_match) {
  $breadcrumb = parent::build($route_match);
  $breadcrumb->addCacheContexts(['route']);

  $parents = $this->forumManager->getParents($route_match->getParameter('node')->forum_tid);
  if ($parents) {
    $parents = array_reverse($parents);
    foreach ($parents as $parent) {
      $breadcrumb->addCacheableDependency($parent);
      $breadcrumb->addLink(Link::createFromRoute($parent->label(), 'forum.page', 
      array(
        'taxonomy_term' => $parent->id(),
      )
      ));
    }
  }

  return $breadcrumb;
}
doc_Drupal
2016-10-29 09:17:16
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