This repository has been archived on 2025-01-19. You can view files and clone it, but cannot push or open issues or pull requests.
drupalcampbristol/core/modules/comment/src/CommentBreadcrumbBuilder.php

71 lines
2 KiB
PHP

<?php
/**
* @file
* Contains \Drupal\comment\CommentBreadcrumbBuilder.
*/
namespace Drupal\comment;
use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
use Drupal\Core\Breadcrumb\Breadcrumb;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Link;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
/**
* Class to define the comment breadcrumb builder.
*/
class CommentBreadcrumbBuilder implements BreadcrumbBuilderInterface {
use StringTranslationTrait;
/**
* The comment storage.
*
* @var \Drupal\Core\Entity\EntityStorageInterface
*/
protected $storage;
/**
* Constructs the CommentBreadcrumbBuilder.
*
* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
* The entity manager.
*/
public function __construct(EntityManagerInterface $entity_manager) {
$this->storage = $entity_manager->getStorage('comment');
}
/**
* {@inheritdoc}
*/
public function applies(RouteMatchInterface $route_match) {
return $route_match->getRouteName() == 'comment.reply' && $route_match->getParameter('entity');
}
/**
* {@inheritdoc}
*/
public function build(RouteMatchInterface $route_match) {
$breadcrumb = new Breadcrumb();
$breadcrumb->addCacheContexts(['route']);
$breadcrumb->addLink(Link::createFromRoute($this->t('Home'), '<front>'));
$entity = $route_match->getParameter('entity');
$breadcrumb->addLink(new Link($entity->label(), $entity->urlInfo()));
$breadcrumb->addCacheableDependency($entity);
if (($pid = $route_match->getParameter('pid')) && ($comment = $this->storage->load($pid))) {
/** @var \Drupal\comment\CommentInterface $comment */
$breadcrumb->addCacheableDependency($comment);
// Display link to parent comment.
// @todo Clean-up permalink in https://www.drupal.org/node/2198041
$breadcrumb->addLink(new Link($comment->getSubject(), $comment->urlInfo()));
}
return $breadcrumb;
}
}