Some work towards content localization and some bugfixes* in the same proj

* added summary template for a content item and fixed the display of "Depends on:" on features in the feature management UI when the feature has no dependencies

--HG--
branch : dev

src/Orchard.Web/Core/Localization/Controllers/AdminController.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Web.Mvc;
+using System.Web.Routing;
+using Orchard.ContentManagement;
+using Orchard.Core.Contents.ViewModels;
+using Orchard.Localization;
+using Orchard.Mvc.Results;
+using Orchard.Mvc.ViewModels;
+
+namespace Orchard.Core.Localization.Controllers {
+    public class AdminController : Controller, IUpdateModel {
+        private readonly IContentManager _contentManager;
+
+        public AdminController(IOrchardServices orchardServices, IContentManager contentManager) {
+            _contentManager = contentManager;
+            Services = orchardServices;
+        }
+
+        public IOrchardServices Services { get; set; }
+
+        public ActionResult Translate(int id, string from) {
+            var contentItem = _contentManager.Get(id, VersionOptions.Latest);
+
+            if (contentItem == null)
+                return new NotFoundResult();
+
+            var model = new EditItemViewModel {
+                Id = id,
+                Content = _contentManager.BuildEditorModel(contentItem)
+            };
+
+            PrepareEditorViewModel(model.Content);
+            return View(model);
+        }
+
+        [HttpPost, ActionName("Translate")]
+        public ActionResult TranslatePOST(int id) {
+            var contentItem = _contentManager.Get(id, VersionOptions.DraftRequired);
+
+            if (contentItem == null)
+                return new NotFoundResult();
+
+            var viewModel = new EditItemViewModel();
+            if (TryUpdateModel(viewModel))
+                viewModel.Content = _contentManager.UpdateEditorModel(contentItem, this);
+
+            //todo: create translation here
+            if (!ModelState.IsValid) {
+                Services.TransactionManager.Cancel();
+                PrepareEditorViewModel(viewModel.Content);
+                return View(viewModel);
+            }
+            _contentManager.Publish(contentItem);
+
+            var metadata = _contentManager.GetItemMetadata(viewModel.Content.Item);
+            if (metadata.EditorRouteValues == null)
+                return null;
+
+            return RedirectToRoute(metadata.EditorRouteValues);
+        }
+
+        private static void PrepareEditorViewModel(ContentItemViewModel itemViewModel) {
+            if (string.IsNullOrEmpty(itemViewModel.TemplateName)) {
+                itemViewModel.TemplateName = "Items/Contents.Item";
+            }
+        }
+
+        bool IUpdateModel.TryUpdateModel<TModel>(TModel model, string prefix, string[] includeProperties, string[] excludeProperties) {
+            return TryUpdateModel(model, prefix, includeProperties, excludeProperties);
+        }
+
+        void IUpdateModel.AddModelError(string key, LocalizedString errorMessage) {
+            ModelState.AddModelError(key, errorMessage.ToString());
+        }
+    }
+}