- Adding the RoutableAspect editor template's permalink slug prefix display based on container slugs

- Got the rest of the hard coded prefix usage out of the RoutableAspect's editor template

--HG--
extra : convert_revision : svn%3A5ff7c347-ad56-4c35-b696-ccb81de16e03/trunk%4045731

src/Orchard.Web/Core/Common/Models/RoutableAspectHandler.cs

@@ -0,0 +1,26 @@
+using System.Text;
+using JetBrains.Annotations;
+using Orchard.ContentManagement;
+using Orchard.ContentManagement.Aspects;
+using Orchard.ContentManagement.Handlers;
+
+namespace Orchard.Core.Common.Models {
+    [UsedImplicitly]
+    public class RoutableAspectHandler : ContentHandler
+    {
+        public RoutableAspectHandler() {
+            OnGetEditorViewModel<RoutableAspect>((context, routable) => {
+                var containerPathBuilder = new StringBuilder();
+                var container = context.ContentItem.As<ICommonAspect>().Container;
+
+                while (container != null) {
+                    if (container.Is<RoutableAspect>())
+                        containerPathBuilder.Insert(0, string.Format("{0}/", container.As<RoutableAspect>().Slug));
+                    container = container.ContentItem.As<ICommonAspect>().Container;
+                }
+
+                routable.ContainerPath = containerPathBuilder.ToString();
+            });
+        }
+    }
+}