diff core/modules/system/src/Plugin/Block/SystemBreadcrumbBlock.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/system/src/Plugin/Block/SystemBreadcrumbBlock.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,75 @@
+<?php
+
+namespace Drupal\system\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a block to display the breadcrumbs.
+ *
+ * @Block(
+ *   id = "system_breadcrumb_block",
+ *   admin_label = @Translation("Breadcrumbs")
+ * )
+ */
+class SystemBreadcrumbBlock extends BlockBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * The breadcrumb manager.
+   *
+   * @var \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface
+   */
+  protected $breadcrumbManager;
+
+  /**
+   * The current route match.
+   *
+   * @var \Drupal\Core\Routing\RouteMatchInterface
+   */
+  protected $routeMatch;
+
+  /**
+   * Constructs a new SystemBreadcrumbBlock object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin_id for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface $breadcrumb_manager
+   *   The breadcrumb manager.
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   The current route match.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, BreadcrumbBuilderInterface $breadcrumb_manager, RouteMatchInterface $route_match) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->breadcrumbManager = $breadcrumb_manager;
+    $this->routeMatch = $route_match;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('breadcrumb'),
+      $container->get('current_route_match')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build() {
+    return $this->breadcrumbManager->build($this->routeMatch)->toRenderable();
+  }
+
+}