Move LocationSettings to a separate module

Also go through all existing parts and use the new LocationSettings API
to retrieve the location according to the display types.

--HG--
branch : dev
rename : src/Orchard.Web/Core/Common/Settings/LocationSettingsEditorEvents.cs => src/Orchard.Web/Core/ContentsLocation/Settings/LocationSettingsEditorEvents.cs

src/Orchard.Web/Core/Common/Drivers/BodyDriver.cs

@@ -6,6 +6,7 @@ using Orchard.ContentManagement.Drivers;
 using Orchard.Core.Common.Models;
 using Orchard.Core.Common.Settings;
 using Orchard.Core.Common.ViewModels;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Core.Routable.Models;
 
 namespace Orchard.Core.Common.Drivers {
@@ -27,17 +28,19 @@ namespace Orchard.Core.Common.Drivers {
         // \/\/ Hackalicious on many accounts - don't copy what has been done here for the wrapper \/\/
         protected override DriverResult Display(BodyAspect part, string displayType) {
             var model = new BodyDisplayViewModel { BodyAspect = part, Text = BbcodeReplace(part.Text) };
+            var location = part.GetLocation(displayType, "primary", "5");
 
             return Combined(
-                Services.Authorizer.Authorize(Permissions.ChangeOwner) ? ContentPartTemplate(model, "Parts/Common.Body.ManageWrapperPre").LongestMatch(displayType, "SummaryAdmin").Location("primary", "5") : null,
+                Services.Authorizer.Authorize(Permissions.ChangeOwner) ? ContentPartTemplate(model, "Parts/Common.Body.ManageWrapperPre").LongestMatch(displayType, "SummaryAdmin").Location(location) : null,
-                Services.Authorizer.Authorize(Permissions.ChangeOwner) ? ContentPartTemplate(model, "Parts/Common.Body.Manage").LongestMatch(displayType, "SummaryAdmin").Location("primary", "5") : null,
+                Services.Authorizer.Authorize(Permissions.ChangeOwner) ? ContentPartTemplate(model, "Parts/Common.Body.Manage").LongestMatch(displayType, "SummaryAdmin").Location(location) : null,
-                ContentPartTemplate(model, TemplateName, Prefix).LongestMatch(displayType, "Summary", "SummaryAdmin").Location("primary", "5"),
+                ContentPartTemplate(model, TemplateName, Prefix).LongestMatch(displayType, "Summary", "SummaryAdmin").Location(location),
-                Services.Authorizer.Authorize(Permissions.ChangeOwner) ? ContentPartTemplate(model, "Parts/Common.Body.ManageWrapperPost").LongestMatch(displayType, "SummaryAdmin").Location("primary", "5") : null);
+                Services.Authorizer.Authorize(Permissions.ChangeOwner) ? ContentPartTemplate(model, "Parts/Common.Body.ManageWrapperPost").LongestMatch(displayType, "SummaryAdmin").Location(location) : null);
         }
         
         protected override DriverResult Editor(BodyAspect part) {
             var model = BuildEditorViewModel(part);
-            return ContentPartTemplate(model, TemplateName, Prefix).Location("primary", "5");
+            var location = part.GetLocation("Editor", "primary", "5");
+            return ContentPartTemplate(model, TemplateName, Prefix).Location(location);
         }
 
         protected override DriverResult Editor(BodyAspect part, IUpdateModel updater) {
@@ -48,7 +51,8 @@ namespace Orchard.Core.Common.Drivers {
             if (string.IsNullOrWhiteSpace(model.Format))
                 model.Format = GetFlavor(part);
 
-            return ContentPartTemplate(model, TemplateName, Prefix).Location("primary", "5");
+            var location = part.GetLocation("Editor", "primary", "5");
+            return ContentPartTemplate(model, TemplateName, Prefix).Location(location);
         }
 
         private static BodyEditorViewModel BuildEditorViewModel(BodyAspect part) {

src/Orchard.Web/Core/Common/Drivers/CommonDriver.cs

@@ -2,6 +2,7 @@
 using Orchard.ContentManagement.Drivers;
 using Orchard.Core.Common.Models;
 using Orchard.Core.Common.ViewModels;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Localization;
 using Orchard.Security;
 using Orchard.Services;
@@ -35,7 +36,10 @@ namespace Orchard.Core.Common.Drivers {
         public IOrchardServices Services { get; set; }
 
         protected override DriverResult Display(CommonAspect part, string displayType) {
-            return ContentPartTemplate(new CommonMetadataViewModel(part), "Parts/Common.Metadata").LongestMatch(displayType, "Summary", "SummaryAdmin").Location("metadata", "5");
+            var location = part.GetLocation(displayType, "metadata", "5");
+            return ContentPartTemplate(new CommonMetadataViewModel(part), "Parts/Common.Metadata")
+                .LongestMatch(displayType, "Summary", "SummaryAdmin")
+                .Location(location);
         }
 
         protected override DriverResult Editor(CommonAspect part) {
@@ -79,7 +83,8 @@ namespace Orchard.Core.Common.Drivers {
                 }
             }
 
-            return ContentPartTemplate(model, "Parts/Common.Owner", TemplatePrefix).Location("primary", "20");
+            var location = part.GetLocation("Editor", "primary", "20");
+            return ContentPartTemplate(model, "Parts/Common.Owner", TemplatePrefix).Location(location);
         }
 
         DriverResult ContainerEditor(CommonAspect part, IUpdateModel updater) {
@@ -106,7 +111,9 @@ namespace Orchard.Core.Common.Drivers {
                     }
                 }
             }
-            return ContentPartTemplate(model, "Parts/Common.Container", TemplatePrefix).Location("primary", "20.1");
+
+            var location = part.GetLocation("Editor", "primary", "20.1");
+            return ContentPartTemplate(model, "Parts/Common.Container", TemplatePrefix).Location(location);
         }
     }
 }

src/Orchard.Web/Core/Common/Drivers/TextFieldDriver.cs

@@ -19,17 +19,17 @@ namespace Orchard.Core.Common.Drivers {
         }
 
         protected override DriverResult Display(ContentPart part, TextField field, string displayType) {
-            var locationSettings = field.PartFieldDefinition.Settings.GetModel<LocationSettings>().Get(displayType, "primary", "5");
+            var location = field.PartFieldDefinition.Settings.GetModel<LocationSettings>().Get(displayType, "primary", "5");
 
             return ContentFieldTemplate(field, TemplateName, GetPrefix(field, part))
-                .Location(locationSettings.Zone, locationSettings.Position);
+                .Location(location);
         }
 
         protected override DriverResult Editor(ContentPart part, TextField field) {
-            var locationSettings = field.PartFieldDefinition.Settings.GetModel<LocationSettings>().Get("Editor", "primary", "5");
+            var location = field.PartFieldDefinition.Settings.GetModel<LocationSettings>().Get("Editor", "primary", "5");
 
             return ContentFieldTemplate(field, TemplateName, GetPrefix(field, part))
-                .Location(locationSettings.Zone, locationSettings.Position);
+                .Location(location);
         }
 
         protected override DriverResult Editor(ContentPart part, TextField field, IUpdateModel updater) {

src/Orchard.Web/Core/Contents/Drivers/ContentsDriver.cs

@@ -2,6 +2,7 @@
 using Orchard.ContentManagement.Aspects;
 using Orchard.ContentManagement.Drivers;
 using Orchard.Core.Contents.ViewModels;
+using Orchard.Core.ContentsLocation.Models;
 
 namespace Orchard.Core.Contents.Drivers {
     public class ContentsDriver : ContentItemDriver<ContentPart> {
@@ -12,9 +13,10 @@ namespace Orchard.Core.Contents.Drivers {
         }
 
         protected override DriverResult Display(ContentPart part, string displayType) {
+            var location = part.GetLocation(displayType, "secondary", null);
             return Combined(
                 ContentItemTemplate("Items/Contents.Item").LongestMatch(displayType, "Summary", "SummaryAdmin"),
-                ContentPartTemplate(new PublishContentViewModel(part.ContentItem), "Parts/Contents.Publish").LongestMatch(displayType, "Summary", "SummaryAdmin").Location("secondary"));
+                ContentPartTemplate(new PublishContentViewModel(part.ContentItem), "Parts/Contents.Publish").LongestMatch(displayType, "Summary", "SummaryAdmin").Location(location));
         }
     }
 }

src/Orchard.Web/Core/ContentsLocation/Models/LocationSettings.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
 
 namespace Orchard.Core.ContentsLocation.Models {
@@ -20,4 +21,18 @@ namespace Orchard.Core.ContentsLocation.Models {
             return new ContentLocation { Zone = defaultZone, Position = defaultPosition };
         }
     }
+
+    public static class LocationSettingsExtensions {
+        public static ContentLocation GetLocation<TContent>(this TContent part, string locationName) where TContent : ContentPart {
+            return part.GetLocation(locationName, null, null);
+        }
+
+        public static ContentLocation GetLocation<TContent>(this TContent part, string locationName, string defaultZone, string defaultPosition) where TContent : ContentPart {
+            var typePartLocation = part.TypePartDefinition.Settings.GetModel<LocationSettings>().Get(locationName);
+            if (typePartLocation.Position == null && typePartLocation.Zone == null) {
+                return part.PartDefinition.Settings.GetModel<LocationSettings>().Get(locationName, defaultZone, defaultPosition);
+            }
+            return typePartLocation;
+        }
+    }
 }

src/Orchard.Web/Core/ContentsLocation/Settings/LocationSettingsEditorEvents.cs

@@ -4,12 +4,11 @@ using Orchard.ContentManagement.MetaData;
 using Orchard.ContentManagement.MetaData.Builders;
 using Orchard.ContentManagement.MetaData.Models;
 using Orchard.ContentManagement.ViewModels;
-using Orchard.Core.Common.Models;
 using Orchard.Core.ContentsLocation.Models;
 using Orchard.Core.ContentsLocation.ViewModels;
 using Orchard.Localization;
 
-namespace Orchard.Core.Common.Settings {
+namespace Orchard.Core.ContentsLocation.Settings {
     public class LocationSettingsEditorEvents : ContentDefinitionEditorEventsBase {
 
         public LocationSettingsEditorEvents() {

src/Orchard.Web/Core/Localization/Drivers/LocalizationDriver.cs

@@ -4,6 +4,7 @@ using System.Web;
 using JetBrains.Annotations;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Core.Localization.Models;
 using Orchard.Core.Localization.Services;
 using Orchard.Core.Localization.ViewModels;
@@ -26,7 +27,8 @@ namespace Orchard.Core.Localization.Drivers {
                 Localizations = GetDisplayLocalizations(part)
             };
 
-            return ContentPartTemplate(model, "Parts/Localization.ContentTranslations", TemplatePrefix).LongestMatch(displayType, "Summary", "SummaryAdmin").Location("primary", "5");
+            var location = part.GetLocation(displayType, "primary", "5");
+            return ContentPartTemplate(model, "Parts/Localization.ContentTranslations", TemplatePrefix).LongestMatch(displayType, "Summary", "SummaryAdmin").Location(location);
         }
 
         protected override DriverResult Editor(Localized part) {
@@ -38,7 +40,8 @@ namespace Orchard.Core.Localization.Drivers {
                 ContentLocalizations = new ContentLocalizationsViewModel(part) { Localizations = localizations }
             };
 
-            return ContentPartTemplate(model, "Parts/Localization.Translation", TemplatePrefix).Location("primary", "1");
+            var location = part.GetLocation("Editor", "primary", "1");
+            return ContentPartTemplate(model, "Parts/Localization.Translation", TemplatePrefix).Location(location);
         }
 
         protected override DriverResult Editor(Localized part, IUpdateModel updater) {

src/Orchard.Web/Core/Navigation/Drivers/MenuPartDriver.cs

@@ -2,6 +2,7 @@
 using JetBrains.Annotations;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Core.Navigation.Models;
 using Orchard.Localization;
 using Orchard.Security;
@@ -27,7 +28,8 @@ namespace Orchard.Core.Navigation.Drivers {
             if (!_authorizationService.TryCheckAccess(Permissions.ManageMainMenu, CurrentUser, part))
                 return null;
 
-            return ContentPartTemplate(part, "Parts/Navigation.EditMenuPart").Location("primary", "9");
+            var location = part.GetLocation("Editor", "primary", "9");
+            return ContentPartTemplate(part, "Parts/Navigation.EditMenuPart").Location(location);
         }
 
         protected override DriverResult Editor(MenuPart part, IUpdateModel updater) {
@@ -41,7 +43,8 @@ namespace Orchard.Core.Navigation.Drivers {
             if (part.OnMainMenu && String.IsNullOrEmpty(part.MenuText)) {
                 updater.AddModelError("MenuText", T("The MenuText field is required"));
             }
-            return ContentPartTemplate(part, "Parts/Navigation.EditMenuPart").Location("primary", "9");
+            var location = part.GetLocation("Editor", "primary", "9");
+            return ContentPartTemplate(part, "Parts/Navigation.EditMenuPart").Location(location);
         }
     }
 }

src/Orchard.Web/Core/Orchard.Core.csproj

@@ -72,7 +72,7 @@
     <Compile Include="Common\Services\CommonService.cs" />
     <Compile Include="Common\Settings\BodySettings.cs" />
     <Compile Include="ContentsLocation\Models\LocationSettings.cs" />
-    <Compile Include="Common\Settings\LocationSettingsEditorEvents.cs" />
+    <Compile Include="ContentsLocation\Settings\LocationSettingsEditorEvents.cs" />
     <Compile Include="ContentsLocation\ViewModels\LocationSettingsViewModel.cs" />
     <Compile Include="Common\ViewModels\CommonMetadataViewModel.cs" />
     <Compile Include="Common\ViewModels\ContainerEditorViewModel.cs" />

src/Orchard.Web/Core/PublishLater/Drivers/PublishLaterPartDriver.cs

@@ -2,6 +2,7 @@
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
 using Orchard.Core.Common.Services;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Core.PublishLater.Models;
 using Orchard.Core.PublishLater.Services;
 using Orchard.Core.PublishLater.ViewModels;
@@ -31,7 +32,8 @@ namespace Orchard.Core.PublishLater.Drivers {
             var model = new PublishLaterViewModel(part) {
                 ScheduledPublishUtc = part.ScheduledPublishUtc.Value
             };
-            return ContentPartTemplate(model, "Parts/PublishLater.Metadata").LongestMatch(displayType, "Summary", "SummaryAdmin").Location("metadata", "1");
+            var location = part.GetLocation(displayType, "metadata", "1");
+            return ContentPartTemplate(model, "Parts/PublishLater.Metadata").LongestMatch(displayType, "Summary", "SummaryAdmin").Location(location);
         }
 
         protected override DriverResult Editor(PublishLaterPart part) {
@@ -65,7 +67,8 @@ namespace Orchard.Core.PublishLater.Drivers {
                 }
             }
 
-            return ContentPartTemplate(model, "Parts/PublishLater", TemplatePrefix).Location("secondary", "1");
+            var location = part.GetLocation("Editor", "secondary", "1");
+            return ContentPartTemplate(model, "Parts/PublishLater", TemplatePrefix).Location(location);
         }
     }
 }

src/Orchard.Web/Core/Routable/Drivers/RoutableDriver.cs

@@ -67,8 +67,8 @@ namespace Orchard.Core.Routable.Drivers {
                     : "";
             }
 
-            var location = part.PartDefinition.Settings.GetModel<LocationSettings>().Get("Editor");
+            var location = part.GetLocation("Editor");
-            return ContentPartTemplate(model, TemplateName, Prefix).Location(location.Zone, location.Position);
+            return ContentPartTemplate(model, TemplateName, Prefix).Location(location);
         }
 
         protected override DriverResult Editor(IsRoutable part, IUpdateModel updater) {

src/Orchard.Web/Modules/Orchard.Blogs/Drivers/BlogDriver.cs

@@ -7,6 +7,7 @@ using Orchard.Blogs.Services;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
 using Orchard.Core.Contents.ViewModels;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Localization;
 using Orchard.Mvc.ViewModels;
 
@@ -93,17 +94,15 @@ namespace Orchard.Blogs.Drivers {
         }
 
         protected override DriverResult Editor(Blog blog) {
+            var location = blog.GetLocation("Editor", "primary", "1");
             return Combined(
                 ContentItemTemplate("Items/Blogs.Blog"),
-                ContentPartTemplate(blog, "Parts/Blogs.Blog.Fields").Location("primary", "1"));
+                ContentPartTemplate(blog, "Parts/Blogs.Blog.Fields").Location(location));
         }
 
         protected override DriverResult Editor(Blog blog, IUpdateModel updater) {
             updater.TryUpdateModel(blog, Prefix, null, null);
-
+            return Editor(blog);
-            return Combined(
-                ContentItemTemplate("Items/Blogs.Blog"),
-                ContentPartTemplate(blog, "Parts/Blogs.Blog.Fields").Location("primary", "1"));
         }
     }
 }

src/Orchard.Web/Modules/Orchard.Comments/Drivers/HasCommentsContainerDriver.cs

@@ -5,16 +5,19 @@ using Orchard.Comments.ViewModels;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
 using Orchard.Core.Common.Models;
+using Orchard.Core.ContentsLocation.Models;
 
 namespace Orchard.Comments.Drivers {
     [UsedImplicitly]
     public class HasCommentsContainerDriver : ContentPartDriver<HasCommentsContainer> {
         protected override DriverResult Display(HasCommentsContainer part, string displayType) {
             if (displayType == "SummaryAdmin") {
-                return ContentPartTemplate(CreateViewModel(part.ContentItem), "Parts/Comments.CountAdmin").Location("meta");
+                var location = part.GetLocation("SummaryAdmin", "meta", null);
+                return ContentPartTemplate(CreateViewModel(part.ContentItem), "Parts/Comments.CountAdmin").Location(location);
             }
             else if (displayType.Contains("Summary")) {
-                return ContentPartTemplate(CreateViewModel(part.ContentItem), "Parts/Comments.Count").Location("meta");
+                var location = part.GetLocation("Summary", "meta", null);
+                return ContentPartTemplate(CreateViewModel(part.ContentItem), "Parts/Comments.Count").Location(location);
             }
 
             return null;

src/Orchard.Web/Modules/Orchard.Comments/Drivers/HasCommentsDriver.cs

@@ -3,6 +3,7 @@ using Orchard.Comments.Models;
 using Orchard.Comments.ViewModels;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
+using Orchard.Core.ContentsLocation.Models;
 
 namespace Orchard.Comments.Drivers {
     [UsedImplicitly]
@@ -18,29 +19,35 @@ namespace Orchard.Comments.Drivers {
                 //return Combined(
                 //    ContentPartTemplate(part, "Parts/Comments.Count").Location("body", "above.5"),
                 //    ContentPartTemplate(part, "Parts/Comments.HasComments").Location("body", "below.5"));
-                return ContentPartTemplate(part, "Parts/Comments.HasComments").Location("primary", "after.5");
+                var location = part.GetLocation("Detail", "primary", "after.5");
+                return ContentPartTemplate(part, "Parts/Comments.HasComments").Location(location);
             }
             else if (displayType == "SummaryAdmin") {
+                var location = part.GetLocation("SummaryAdmin", "meta", null);
                 var model = new CommentCountViewModel(part);
-                return ContentPartTemplate(model, "Parts/Comments.CountAdmin").Location("meta");
+                return ContentPartTemplate(model, "Parts/Comments.CountAdmin").Location(location);
             }
             else if (displayType.Contains("Summary")) {
+                var location = part.GetLocation("Summary", "meta", "5");
                 var model = new CommentCountViewModel(part);
-                return ContentPartTemplate(model, "Parts/Comments.Count").Location("meta", "5");
+                return ContentPartTemplate(model, "Parts/Comments.Count").Location(location);
             }
             else {
+                var location = part.GetLocation(displayType, "primary", "before.5");
                 var model = new CommentCountViewModel(part);
-                return ContentPartTemplate(model, "Parts/Comments.Count").Location("primary", "before.5");
+                return ContentPartTemplate(model, "Parts/Comments.Count").Location(location);
             }
         }
 
         protected override DriverResult Editor(HasComments part) {
-            return ContentPartTemplate(part, "Parts/Comments.HasComments").Location("primary", "10");
+            var location = part.GetLocation("Editor", "primary", "10");
+            return ContentPartTemplate(part, "Parts/Comments.HasComments").Location(location);
         }
 
         protected override DriverResult Editor(HasComments part, IUpdateModel updater) {
+            var location = part.GetLocation("Editor", "primary", "10");
             updater.TryUpdateModel(part, Prefix, null, null);
-            return ContentPartTemplate(part, "Parts/Comments.HasComments").Location("primary", "10");
+            return ContentPartTemplate(part, "Parts/Comments.HasComments").Location(location);
         }
     }
 }

src/Orchard.Web/Modules/Orchard.Tags/Drivers/HasTagsDriver.cs

@@ -2,6 +2,7 @@
 using JetBrains.Annotations;
 using Orchard.ContentManagement;
 using Orchard.ContentManagement.Drivers;
+using Orchard.Core.ContentsLocation.Models;
 using Orchard.Security;
 using Orchard.Tags.Helpers;
 using Orchard.Tags.Models;
@@ -23,7 +24,8 @@ namespace Orchard.Tags.Drivers {
         public virtual IUser CurrentUser { get; set; }
 
         protected override DriverResult Display(HasTags part, string displayType) {
-            return ContentPartTemplate(part, "Parts/Tags.ShowTags").Location("primary", "49");
+            var location = part.GetLocation(displayType, "primary", "49");
+            return ContentPartTemplate(part, "Parts/Tags.ShowTags").Location(location);
         }
 
         protected override DriverResult Editor(HasTags part) {
@@ -33,7 +35,8 @@ namespace Orchard.Tags.Drivers {
             var model = new EditTagsViewModel {
                                                   Tags = string.Join(", ", part.CurrentTags.Select((t, i) => t.TagName).ToArray())
                                               };
-            return ContentPartTemplate(model, "Parts/Tags.EditTags").Location("primary", "9");
+            var location = part.GetLocation("Editor", "primary", "9");
+            return ContentPartTemplate(model, "Parts/Tags.EditTags").Location(location);
         }
 
         protected override DriverResult Editor(HasTags part, IUpdateModel updater) {
@@ -48,7 +51,8 @@ namespace Orchard.Tags.Drivers {
                 _tagService.UpdateTagsForContentItem(part.ContentItem.Id, tagNames);
             }
 
-            return ContentPartTemplate(model, "Parts/Tags.EditTags").Location("primary", "9");
+            var location = part.GetLocation("Editor", "primary", "9");
+            return ContentPartTemplate(model, "Parts/Tags.EditTags").Location(location);
         }
     }
 }

src/Orchard.Web/Modules/Orchard.Tags/Module.txt

@@ -8,4 +8,5 @@ description: The tags module is providing basic tagging for arbitrary content ty
 features:
     Orchard.Tags:
         Description: Tag a content item.
+        Dependencies: ContentsLocation
         Category: Navigation

src/Orchard.Web/Modules/Orchard.Tags/Orchard.Tags.csproj

@@ -106,6 +106,10 @@
       <Project>{2D1D92BB-4555-4CBE-8D0E-63563D6CE4C6}</Project>
       <Name>Orchard.Framework</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\Core\Orchard.Core.csproj">
+      <Project>{9916839C-39FC-4CEB-A5AF-89CA7E87119F}</Project>
+      <Name>Orchard.Core</Name>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" />

src/Orchard/ContentManagement/Drivers/ContentPartDriver.cs

@@ -26,7 +26,6 @@ namespace Orchard.ContentManagement.Drivers {
         protected virtual DriverResult Editor(TContent part) { return null; }
         protected virtual DriverResult Editor(TContent part, IUpdateModel updater) { return null; }
 
-
         public ContentTemplateResult ContentPartTemplate(object model) {
             return new ContentTemplateResult(model, null, Prefix).Location(Zone);
         }

src/Orchard/ContentManagement/Drivers/ContentTemplateResult.cs

@@ -1,4 +1,5 @@
-using System.Linq;
+using System;
+using System.Linq;
 using Orchard.ContentManagement.Handlers;
 
 namespace Orchard.ContentManagement.Drivers {
@@ -36,6 +37,12 @@ namespace Orchard.ContentManagement.Drivers {
             return this;
         }
 
+        public ContentTemplateResult Location(ContentLocation location) {
+            if (location.Position == null)
+                return Location(location.Zone);
+            return Location(location.Zone, location.Position);
+        }
+
         public ContentTemplateResult LongestMatch(string displayType, params string[] knownDisplayTypes) {
 
             if (string.IsNullOrEmpty(displayType))

src/Orchard/ContentManagement/MetaData/Builders/ContentPartDefinitionBuilder.cs

@@ -116,18 +116,28 @@ namespace Orchard.ContentManagement.MetaData.Builders {
 
     public static class ContentPartDefinitionBuilderExtensions {
         public static IEnumerable<KeyValuePair<string, string>> GetSettingEntries(IDictionary<string, ContentLocation> locationSettings) {
-            int index = 0;
+            int entryIndex = 0;
             foreach (var entry in locationSettings) {
                 var zone = string.IsNullOrEmpty(entry.Value.Zone) ? null : entry.Value.Zone;
                 var position = string.IsNullOrEmpty(entry.Value.Position) ? null : entry.Value.Position;
                 var locationName = (zone == null && position == null) ? null : entry.Key;
 
-                var prefix = string.Format("LocationSettings[{0}]", index);
+                if (locationName != null) {
+                    var prefix = string.Format("LocationSettings[{0}]", entryIndex);
                     yield return new KeyValuePair<string, string>(string.Format("{0}.Key", prefix), locationName);
                     yield return new KeyValuePair<string, string>(string.Format("{0}.Value.Zone", prefix), zone);
                     yield return new KeyValuePair<string, string>(string.Format("{0}.Value.Position", prefix), position);
 
-                index++;
+                    entryIndex++;
+                }
+            }
+
+            // Clear the remaining entries from [index -> end of collection]
+            for (int i = entryIndex; i < locationSettings.Count; i++) {
+                var prefix = string.Format("LocationSettings[{0}]", i);
+                yield return new KeyValuePair<string, string>(string.Format("{0}.Key", prefix), null);
+                yield return new KeyValuePair<string, string>(string.Format("{0}.Value.Zone", prefix), null);
+                yield return new KeyValuePair<string, string>(string.Format("{0}.Value.Position", prefix), null);
             }
         }