ForumNodeBreadcrumbBuilder.php

Same filename in other branches
  1. 9 core/modules/forum/src/Breadcrumb/ForumNodeBreadcrumbBuilder.php
  2. 8.9.x core/modules/forum/src/Breadcrumb/ForumNodeBreadcrumbBuilder.php
  3. 10 core/modules/forum/src/Breadcrumb/ForumNodeBreadcrumbBuilder.php

Namespace

Drupal\forum\Breadcrumb

File

core/modules/forum/src/Breadcrumb/ForumNodeBreadcrumbBuilder.php

View source
<?php

namespace Drupal\forum\Breadcrumb;

use Drupal\Core\Link;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Breadcrumb builder for forum nodes.
 */
class ForumNodeBreadcrumbBuilder extends ForumBreadcrumbBuilderBase {
    
    /**
     * {@inheritdoc}
     */
    public function applies(RouteMatchInterface $route_match) {
        return $route_match->getRouteName() == 'entity.node.canonical' && $route_match->getParameter('node') && $this->forumManager
            ->checkNodeType($route_match->getParameter('node'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function build(RouteMatchInterface $route_match) {
        $breadcrumb = parent::build($route_match);
        $breadcrumb->addCacheContexts([
            'route',
        ]);
        $parents = $this->termStorage
            ->loadAllParents($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', [
                    'taxonomy_term' => $parent->id(),
                ]));
            }
        }
        return $breadcrumb;
    }

}

Classes

Title Deprecated Summary
ForumNodeBreadcrumbBuilder Breadcrumb builder for forum nodes.

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