apigee_api_catalog-8.x-2.4/src/ApigeeApiCatalogBreadcrumbBuilder.php

<?php

/**
 * @file
 * Copyright 2022 Google Inc.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

namespace Drupal\apigee_api_catalog;

use Drupal\Core\Breadcrumb\Breadcrumb;
use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
use Drupal\Core\Link;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\node\NodeInterface;

/**
 * Provides a breadcrumb builder for apidoc.
 */
class ApigeeApiCatalogBreadcrumbBuilder implements BreadcrumbBuilderInterface {

  use StringTranslationTrait;

  /**
   * {@inheritdoc}
   */
  public function applies(RouteMatchInterface $route_match) {
    $node = $route_match->getParameter('node');
    return $node instanceof NodeInterface && $node->getType() === 'apidoc';
  }

  /**
   * {@inheritdoc}
   */
  public function build(RouteMatchInterface $route_match) {
    $breadcrumb = new Breadcrumb();

    $links[] = Link::createFromRoute($this->t('Home'), '<front>');

    // API Catalog is a view.
    $links[] = Link::createFromRoute($this->t('API Catalog'), 'view.apigee_api_catalog.page_1');

    $breadcrumb->setLinks($links);
    $breadcrumb->addCacheContexts(['route']);

    return $breadcrumb;
  }

}