Roughing in Containers module

Container/containable editor templates appear
Container id settable via drop list
ContainerPathConstraint of higher priority providing list view

--HG--
branch : dev

src/Orchard.Web/Core/Containers/Controllers/ItemController.cs

@@ -1,11 +1,57 @@
-using System.Web.Mvc;
+using System;
+using System.Linq;
+using System.Web.Mvc;
+using Orchard.ContentManagement;
+using Orchard.ContentManagement.Aspects;
+using Orchard.Core.Common.Models;
+using Orchard.Core.Routable.Models;
+using Orchard.DisplayManagement;
 using Orchard.Themes;
 
 namespace Orchard.Core.Containers.Controllers {
-    public class ItemController: Controller {
+    public class ItemController : Controller {
+        private readonly IContentManager _contentManager;
+        private readonly IContainersPathConstraint _containersPathConstraint;
+
+        public ItemController(IContentManager contentManager, IContainersPathConstraint containersPathConstraint, IShapeFactory shapeFactory) {
+            _contentManager = contentManager;
+            _containersPathConstraint = containersPathConstraint;
+            New = shapeFactory;
+        }
+
+        dynamic New { get; set; }
+
         [Themed]
-        public ActionResult Display(string path, int? page) {            
-            return View();
+        public ActionResult Display(string path, int? page) {
+            var matchedPath = _containersPathConstraint.FindPath(path);
+            if (string.IsNullOrEmpty(matchedPath)) {
+                throw new ApplicationException("404 - should not have passed path constraint");
+            }
+
+            var hits = _contentManager
+                .Query<RoutePart, RoutePartRecord>(VersionOptions.Published)
+                .Where(r => r.Path == matchedPath)
+                .Slice(0, 2);
+
+            if (hits.Count() == 0) {
+                throw new ApplicationException("404 - should not have passed path constraint");
+            }
+
+            if (hits.Count() != 1) {
+                throw new ApplicationException("Ambiguous content");
+            }
+
+            var containerId = hits.Single().Id;
+            var items = _contentManager
+                .Query<ContentPart<CommonPartRecord>, CommonPartRecord>(VersionOptions.Published)
+                .Where(x => x.Container.Id == containerId)
+                .List();
+
+            var itemDisplays = items.Select(item => _contentManager.BuildDisplay(item, "Summary"));
+            var list = New.List();
+            list.AddRange(itemDisplays);
+
+            return View(list);
         }
     }
 }