Added Entity and Entity Reference Revisions which got dropped somewhere along the...
[yaffs-website] / web / modules / contrib / entity / src / Plugin / Derivative / RevisionsOverviewDeriver.php
diff --git a/web/modules/contrib/entity/src/Plugin/Derivative/RevisionsOverviewDeriver.php b/web/modules/contrib/entity/src/Plugin/Derivative/RevisionsOverviewDeriver.php
new file mode 100644 (file)
index 0000000..b00b8ce
--- /dev/null
@@ -0,0 +1,68 @@
+<?php
+
+namespace Drupal\entity\Plugin\Derivative;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides local tasks for the revision overview.
+ */
+class RevisionsOverviewDeriver extends DeriverBase implements ContainerDeriverInterface {
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * Creates a new RevisionsOverviewDeriver instance.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
+   *   The entity type manager.
+   */
+  public function __construct(EntityTypeManagerInterface $entityTypeManager) {
+    $this->entityTypeManager = $entityTypeManager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, $base_plugin_id) {
+    return new static(
+      $container->get('entity_type.manager')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDerivativeDefinitions($base_plugin_definition) {
+    $exclude = ['node'];
+
+    $this->derivatives = [];
+    foreach ($this->entityTypeManager->getDefinitions() as $entity_type_id => $entity_type) {
+      if (in_array($entity_type_id, $exclude)) {
+        continue;
+      }
+
+      if (!$entity_type->hasLinkTemplate('version-history')) {
+        continue;
+      }
+
+      $this->derivatives[$entity_type_id] = [
+        'route_name' => "entity.$entity_type_id.version_history",
+        'title' => t('Revisions'),
+        'base_route' => "entity.$entity_type_id.canonical",
+        'weight' => 20,
+      ] + $base_plugin_definition;
+    }
+
+    return parent::getDerivativeDefinitions($base_plugin_definition);
+  }
+
+}