#18769: Fixing menu import/export

Work Item: 18769

--HG--
branch : 1.x

src/Orchard.Web/Core/Navigation/Handlers/MenuHandler.cs

@@ -0,0 +1,39 @@
+using JetBrains.Annotations;
+using Orchard.ContentManagement;
+using Orchard.ContentManagement.Handlers;
+using Orchard.Core.Navigation.Services;
+using Orchard.Core.Title.Models;
+
+namespace Orchard.Core.Navigation.Handlers {
+    [UsedImplicitly]
+    public class MenuHandler : ContentHandler {
+        private readonly IMenuService _menuService;
+        private readonly IContentManager _contentManager;
+
+        public MenuHandler(IMenuService menuService, IContentManager contentManager) {
+            _menuService = menuService;
+            _contentManager = contentManager;
+        }
+
+        protected override void GetItemMetadata(GetContentItemMetadataContext context) {
+            if(context.ContentItem.ContentType != "Menu") {
+                return;
+            }
+
+            context.Metadata.Identity.Add("name", context.ContentItem.As<TitlePart>().Title);
+        }
+
+        protected override void Removing(RemoveContentContext context) {
+            if (context.ContentItem.ContentType != "Menu") {
+                return;
+            }
+
+            // remove all menu items
+            var menuParts = _menuService.GetMenuParts(context.ContentItem.Id);
+
+            foreach(var menuPart in menuParts) {
+                _contentManager.Remove(menuPart.ContentItem);
+            }
+        }
+    }
+}