ForumListingBreadcrumbBuilder.php in Zircon Profile 8.0
Same filename and directory in other branches
Namespace
Drupal\forum\BreadcrumbFile
core/modules/forum/src/Breadcrumb/ForumListingBreadcrumbBuilder.phpView source
<?php
/**
* @file
* Contains \Drupal\forum\Breadcrumb\ForumListingBreadcrumbBuilder.
*/
namespace Drupal\forum\Breadcrumb;
use Drupal\Core\Link;
use Drupal\Core\Routing\RouteMatchInterface;
/**
* Provides a breadcrumb builder base class for forum listing pages.
*/
class ForumListingBreadcrumbBuilder extends ForumBreadcrumbBuilderBase {
/**
* {@inheritdoc}
*/
public function applies(RouteMatchInterface $route_match) {
return $route_match
->getRouteName() == 'forum.page' && $route_match
->getParameter('taxonomy_term');
}
/**
* {@inheritdoc}
*/
public function build(RouteMatchInterface $route_match) {
$breadcrumb = parent::build($route_match);
$breadcrumb
->addCacheContexts([
'route',
]);
// Add all parent forums to breadcrumbs.
/** @var \Drupal\Taxonomy\TermInterface $term */
$term = $route_match
->getParameter('taxonomy_term');
$term_id = $term
->id();
$breadcrumb
->addCacheableDependency($term);
$parents = $this->forumManager
->getParents($term_id);
if ($parents) {
foreach (array_reverse($parents) as $parent) {
if ($parent
->id() != $term_id) {
$breadcrumb
->addCacheableDependency($parent);
$breadcrumb
->addLink(Link::createFromRoute($parent
->label(), 'forum.page', [
'taxonomy_term' => $parent
->id(),
]));
}
}
}
return $breadcrumb;
}
}
Classes
Name | Description |
---|---|
ForumListingBreadcrumbBuilder | Provides a breadcrumb builder base class for forum listing pages. |