X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=web%2Fcore%2Fmodules%2Fmenu_link_content%2Fmenu_link_content.module;fp=web%2Fcore%2Fmodules%2Fmenu_link_content%2Fmenu_link_content.module;h=f94a139d4623a2ab6f16c4f2bededfccfd28a96c;hp=0e02ba948b508f7109dfaf3cd147737faf472edf;hb=9917807b03b64faf00f6a1f29dcb6eafc454efa5;hpb=aea91e65e895364e460983b890e295aa5d5540a5

diff --git a/web/core/modules/menu_link_content/menu_link_content.module b/web/core/modules/menu_link_content/menu_link_content.module
index 0e02ba948..f94a139d4 100644
--- a/web/core/modules/menu_link_content/menu_link_content.module
+++ b/web/core/modules/menu_link_content/menu_link_content.module
@@ -5,6 +5,7 @@
  * Allows administrators to create custom menu links.
  */
 
+use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\system\MenuInterface;
 
@@ -81,3 +82,24 @@ function menu_link_content_path_update($path) {
 function menu_link_content_path_delete($path) {
   _menu_link_content_update_path_alias($path['alias']);
 }
+
+/**
+ * Implements hook_entity_predelete().
+ */
+function menu_link_content_entity_predelete(EntityInterface $entity) {
+  /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
+  $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
+  foreach ($entity->uriRelationships() as $rel) {
+    $url = $entity->toUrl($rel);
+    // Delete all MenuLinkContent links that point to this entity route.
+    $result = $menu_link_manager->loadLinksByRoute($url->getRouteName(), $url->getRouteParameters());
+
+    if ($result) {
+      foreach ($result as $id => $instance) {
+        if ($instance->isDeletable() && strpos($id, 'menu_link_content:') === 0) {
+          $instance->deleteLink();
+        }
+      }
+    }
+  }
+}