- Handler for content fields.

- Relies on the Activated event to weld fields to parts.
- New event Initializing added to the content management lifecycle, old Activated event is now Initializing.
- Unifying part and field template result classes.
- Refactoring.

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Blogs/Handlers/BlogPostHandler.cs

@@ -8,9 +8,7 @@ using Orchard.Blogs.Services;
 using Orchard.ContentManagement;
 using Orchard.Core.Common.Models;
 using Orchard.ContentManagement.Handlers;
-using Orchard.Core.Common.Services;
 using Orchard.Localization;
-using Orchard.UI.Notify;
 
 namespace Orchard.Blogs.Handlers {
     [UsedImplicitly]
@@ -40,7 +38,7 @@ namespace Orchard.Blogs.Handlers {
                      blog.PostCount = posts.Count;
                  });
 
-            OnActivated<BlogPost>((context, bp) => {
+            OnInitializing<BlogPost>((context, bp) => {
                 var blogSlug = requestContext.RouteData.Values.ContainsKey("blogSlug") ? requestContext.RouteData.Values["blogSlug"] as string : null;
                 if (!string.IsNullOrEmpty(blogSlug)) {
                     bp.Blog = blogService.Get(blogSlug);

src/Orchard.Web/Modules/Orchard.Comments/Handlers/HasCommentsHandler.cs

@@ -16,7 +16,7 @@ namespace Orchard.Comments.Handlers {
 
             Filters.Add(StorageFilter.For(hasCommentsRepository));
 
-            OnActivated<HasComments>((ctx, x) => {
+            OnInitializing<HasComments>((ctx, x) => {
                 x.CommentsActive = true;
                 x.CommentsShown = true;
             });

src/Orchard.Web/Modules/Orchard.Media/Handlers/MediaSettingsHandler.cs

@@ -9,10 +9,10 @@ namespace Orchard.Media.Handlers {
         public MediaSettingsHandler(IRepository<MediaSettingsRecord> repository) {
             Filters.Add(new ActivatingFilter<MediaSettings>("site"));
             Filters.Add(StorageFilter.For(repository) );
-            OnActivated<MediaSettings>(DefaultSettings);
+            OnInitializing<MediaSettings>(DefaultSettings);
         }
 
-        private static void DefaultSettings(ActivatedContentContext context, MediaSettings settings) {
+        private static void DefaultSettings(InitializingContentContext context, MediaSettings settings) {
             settings.Record.RootMediaFolder = "~/Media";
         }
     }