diff core/modules/content_moderation/src/ContentPreprocess.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/content_moderation/src/ContentPreprocess.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,70 @@
+<?php
+
+namespace Drupal\content_moderation;
+
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\node\Entity\Node;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Determines whether a route is the "Latest version" tab of a node.
+ *
+ * @internal
+ */
+class ContentPreprocess implements ContainerInjectionInterface {
+
+  /**
+   * The route match service.
+   *
+   * @var \Drupal\Core\Routing\RouteMatchInterface
+   */
+  protected $routeMatch;
+
+  /**
+   * Constructor.
+   *
+   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
+   *   Current route match service.
+   */
+  public function __construct(RouteMatchInterface $route_match) {
+    $this->routeMatch = $route_match;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('current_route_match')
+    );
+  }
+
+  /**
+   * @param array $variables
+   *   Theme variables to preprocess.
+   *
+   * @see hook_preprocess_HOOK()
+   */
+  public function preprocessNode(array &$variables) {
+    // Set the 'page' template variable when the node is being displayed on the
+    // "Latest version" tab provided by content_moderation.
+    $variables['page'] = $variables['page'] || $this->isLatestVersionPage($variables['node']);
+  }
+
+  /**
+   * Checks whether a route is the "Latest version" tab of a node.
+   *
+   * @param \Drupal\node\Entity\Node $node
+   *   A node.
+   *
+   * @return bool
+   *   True if the current route is the latest version tab of the given node.
+   */
+  public function isLatestVersionPage(Node $node) {
+    return $this->routeMatch->getRouteName() == 'entity.node.latest_version'
+           && ($pageNode = $this->routeMatch->getParameter('node'))
+           && $pageNode->id() == $node->id();
+  }
+
+}