Merge remote-tracking branch 'origin/temp-u4-8604-1' into dev-v7.7

src/Umbraco.Core/Constants-PropertyEditors.cs

@@ -437,6 +437,11 @@ namespace Umbraco.Core
             /// </summary>
             public const string EmailAddressAlias = "Umbraco.EmailAddress";
 
+            /// <summary>
+            /// Alias for the nested content property editor.
+            /// </summary>
+            public const string NestedContentAlias = "Umbraco.NestedContent";
+
             public static class PreValueKeys
             {
                 /// <summary>

src/Umbraco.Core/Models/PublishedContent/PublishedContentExtended.cs

@@ -28,7 +28,7 @@ namespace Umbraco.Core.Models.PublishedContent
             if (_index.HasValue) return _index.Value;
 
             // slow -- and don't cache, not in a set
-            if (_contentSet == null) return Content.GetIndex();
+            if (_contentSet == null) return WrappedContentInternal.GetIndex();
 
             // slow -- but cache for next time
             var index = _contentSet.FindIndex(x => x.Id == Id);
@@ -147,7 +147,7 @@ namespace Umbraco.Core.Models.PublishedContent
 
         public override IEnumerable<IPublishedContent> ContentSet
         {
-            get { return _contentSet ?? Content.ContentSet; }
+            get { return _contentSet ?? WrappedContentInternal.ContentSet; }
         }
 
         #endregion
@@ -161,8 +161,8 @@ namespace Umbraco.Core.Models.PublishedContent
             get
             {
                 return _properties == null
-                    ? Content.Properties
+                    ? WrappedContentInternal.Properties
-                    : Content.Properties.Union(_properties).ToList();
+                    : WrappedContentInternal.Properties.Union(_properties).ToList();
             }
         }
 
@@ -175,15 +175,15 @@ namespace Umbraco.Core.Models.PublishedContent
                     var property = _properties.FirstOrDefault(prop => prop.PropertyTypeAlias.InvariantEquals(alias));
                     if (property != null) return property.HasValue ? property.Value : null;
                 }
-                return Content[alias];
+                return WrappedContentInternal[alias];
             }
         }
 
         public override IPublishedProperty GetProperty(string alias)
         {
             return _properties == null
-                ? Content.GetProperty(alias)
+                ? WrappedContentInternal.GetProperty(alias)
-                : _properties.FirstOrDefault(prop => prop.PropertyTypeAlias.InvariantEquals(alias)) ?? Content.GetProperty(alias);
+                : _properties.FirstOrDefault(prop => prop.PropertyTypeAlias.InvariantEquals(alias)) ?? WrappedContentInternal.GetProperty(alias);
         }
 
         #endregion

src/Umbraco.Core/Models/PublishedContent/PublishedContentWithKeyExtended.cs

@@ -9,6 +9,6 @@ namespace Umbraco.Core.Models.PublishedContent
             : base(content)
         { }
 
-        public Guid Key { get { return ((IPublishedContentWithKey) Content).Key; } }
+        public Guid Key { get { return ((IPublishedContentWithKey) WrappedContentInternal).Key; } }
     }
 }

src/Umbraco.Core/Models/PublishedContent/PublishedContentWithKeyModel.cs

@@ -8,6 +8,6 @@ namespace Umbraco.Core.Models.PublishedContent
             : base (content)
         { }
 
-        public Guid Key { get { return ((IPublishedContentWithKey) Content).Key; } }
+        public Guid Key { get { return ((IPublishedContentWithKey) WrappedContentInternal).Key; } }
     }
 }

src/Umbraco.Core/Models/PublishedContent/PublishedContentWithKeyWrapped.cs

@@ -12,6 +12,6 @@ namespace Umbraco.Core.Models.PublishedContent
             : base(content)
         { }
 
-        public virtual Guid Key { get { return ((IPublishedContentWithKey) Content).Key; } }
+        public virtual Guid Key { get { return ((IPublishedContentWithKey) WrappedContentInternal).Key; } }
     }
 }

src/Umbraco.Core/Models/PublishedContent/PublishedContentWrapped.cs

@@ -27,7 +27,7 @@ namespace Umbraco.Core.Models.PublishedContent
     /// </summary>
     public abstract class PublishedContentWrapped : IPublishedContent
     {
-        protected readonly IPublishedContent Content;
+        protected readonly IPublishedContent WrappedContentInternal;
 
         /// <summary>
         /// Initialize a new instance of the <see cref="PublishedContentWrapped"/> class
@@ -36,7 +36,7 @@ namespace Umbraco.Core.Models.PublishedContent
         /// <param name="content">The content to wrap and extend.</param>
         protected PublishedContentWrapped(IPublishedContent content)
         {
-            Content = content;
+            WrappedContentInternal = content;
         }
 
         /// <summary>
@@ -45,21 +45,21 @@ namespace Umbraco.Core.Models.PublishedContent
         /// <returns>The wrapped content, that was passed as an argument to the constructor.</returns>
         public IPublishedContent Unwrap()
         {
-            return Content;
+            return WrappedContentInternal;
         }
 
         #region ContentSet
 
         public virtual IEnumerable<IPublishedContent> ContentSet
         {
-            get { return Content.ContentSet; }
+            get { return WrappedContentInternal.ContentSet; }
         }
 
         #endregion
 
         #region ContentType
 
-        public virtual PublishedContentType ContentType { get { return Content.ContentType; } }
+        public virtual PublishedContentType ContentType { get { return WrappedContentInternal.ContentType; } }
 
         #endregion
 
@@ -67,102 +67,102 @@ namespace Umbraco.Core.Models.PublishedContent
 
         public virtual int Id
         {
-            get { return Content.Id; }
+            get { return WrappedContentInternal.Id; }
         }
 
         public virtual int TemplateId
         {
-            get { return Content.TemplateId; }
+            get { return WrappedContentInternal.TemplateId; }
         }
 
         public virtual int SortOrder
         {
-            get { return Content.SortOrder; }
+            get { return WrappedContentInternal.SortOrder; }
         }
 
         public virtual string Name
         {
-            get { return Content.Name; }
+            get { return WrappedContentInternal.Name; }
         }
 
         public virtual string UrlName
         {
-            get { return Content.UrlName; }
+            get { return WrappedContentInternal.UrlName; }
         }
 
         public virtual string DocumentTypeAlias
         {
-            get { return Content.DocumentTypeAlias; }
+            get { return WrappedContentInternal.DocumentTypeAlias; }
         }
 
         public virtual int DocumentTypeId
         {
-            get { return Content.DocumentTypeId; }
+            get { return WrappedContentInternal.DocumentTypeId; }
         }
 
         public virtual string WriterName
         {
-            get { return Content.WriterName; }
+            get { return WrappedContentInternal.WriterName; }
         }
 
         public virtual string CreatorName
         {
-            get { return Content.CreatorName; }
+            get { return WrappedContentInternal.CreatorName; }
         }
 
         public virtual int WriterId
         {
-            get { return Content.WriterId; }
+            get { return WrappedContentInternal.WriterId; }
         }
 
         public virtual int CreatorId
         {
-            get { return Content.CreatorId; }
+            get { return WrappedContentInternal.CreatorId; }
         }
 
         public virtual string Path
         {
-            get { return Content.Path; }
+            get { return WrappedContentInternal.Path; }
         }
 
         public virtual DateTime CreateDate
         {
-            get { return Content.CreateDate; }
+            get { return WrappedContentInternal.CreateDate; }
         }
 
         public virtual DateTime UpdateDate
         {
-            get { return Content.UpdateDate; }
+            get { return WrappedContentInternal.UpdateDate; }
         }
 
         public virtual Guid Version
         {
-            get { return Content.Version; }
+            get { return WrappedContentInternal.Version; }
         }
 
         public virtual int Level
         {
-            get { return Content.Level; }
+            get { return WrappedContentInternal.Level; }
         }
 
         public virtual string Url
         {
-            get { return Content.Url; }
+            get { return WrappedContentInternal.Url; }
         }
 
         public virtual PublishedItemType ItemType
         {
-            get { return Content.ItemType; }
+            get { return WrappedContentInternal.ItemType; }
         }
 
         public virtual bool IsDraft
         {
-            get { return Content.IsDraft; }
+            get { return WrappedContentInternal.IsDraft; }
         }
 
         public virtual int GetIndex()
         {
-            return Content.GetIndex();
+            return WrappedContentInternal.GetIndex();
         }
 
         #endregion
@@ -171,12 +171,12 @@ namespace Umbraco.Core.Models.PublishedContent
 
         public virtual IPublishedContent Parent
         {
-            get { return Content.Parent; }
+            get { return WrappedContentInternal.Parent; }
         }
 
         public virtual IEnumerable<IPublishedContent> Children
         {
-            get { return Content.Children; }
+            get { return WrappedContentInternal.Children; }
         }
 
         #endregion
@@ -185,22 +185,22 @@ namespace Umbraco.Core.Models.PublishedContent
 
         public virtual ICollection<IPublishedProperty> Properties
         {
-            get { return Content.Properties; }
+            get { return WrappedContentInternal.Properties; }
         }
 
         public virtual object this[string alias]
         {
-            get { return Content[alias]; }
+            get { return WrappedContentInternal[alias]; }
         }
 
         public virtual IPublishedProperty GetProperty(string alias)
         {
-            return Content.GetProperty(alias);
+            return WrappedContentInternal.GetProperty(alias);
         }
 
         public virtual IPublishedProperty GetProperty(string alias, bool recurse)
         {
-            return Content.GetProperty(alias, recurse);
+            return WrappedContentInternal.GetProperty(alias, recurse);
         }
 
         #endregion

src/Umbraco.Core/PropertyEditors/PropertyEditorResolver.cs

@@ -42,7 +42,16 @@ namespace Umbraco.Core.PropertyEditors
         internal PropertyEditorResolver(IServiceProvider serviceProvider, ILogger logger, Func<IEnumerable<Type>> typeListProducerList, ManifestBuilder builder)
             : base(serviceProvider, logger, typeListProducerList, ObjectLifetimeScope.Application)
         {
-            _unioned = new Lazy<List<PropertyEditor>>(() => Values.Union(builder.PropertyEditors).ToList());
+            _unioned = new Lazy<List<PropertyEditor>>(() => SanitizeNames(Values.Union(builder.PropertyEditors).ToList()));
+        }
+
+        private static List<PropertyEditor> SanitizeNames(List<PropertyEditor> editors)
+        {
+            var nestedContentEditorFromPackage = editors.FirstOrDefault(x => x.Alias == "Our.Umbraco.NestedContent");
+            if (nestedContentEditorFromPackage != null)
+                nestedContentEditorFromPackage.Name = "(Obsolete) " + nestedContentEditorFromPackage.Name;
+            return editors;
+
         }
 
         private readonly Lazy<List<PropertyEditor>> _unioned;

src/Umbraco.Tests/PublishedContent/StronglyTypedModels/TypedModelBase.cs

@@ -48,7 +48,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
 
         protected T Resolve<T>(string propertyTypeAlias)
         {
-            return Content.GetPropertyValue<T>(propertyTypeAlias);
+            return WrappedContentInternal.GetPropertyValue<T>(propertyTypeAlias);
         }
 
         protected T Resolve<T>(MethodBase methodBase, T ifCannotConvert)
@@ -59,7 +59,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
 
         protected T Resolve<T>(string propertyTypeAlias, T ifCannotConvert)
         {
-            return Content.GetPropertyValue<T>(propertyTypeAlias, false, ifCannotConvert);
+            return WrappedContentInternal.GetPropertyValue<T>(propertyTypeAlias, false, ifCannotConvert);
         }
 
         protected T Resolve<T>(MethodBase methodBase, bool recursive, T ifCannotConvert)
@@ -70,7 +70,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
 
         protected T Resolve<T>(string propertyTypeAlias, bool recursive, T ifCannotConvert)
         {
-            return Content.GetPropertyValue<T>(propertyTypeAlias, recursive, ifCannotConvert);
+            return WrappedContentInternal.GetPropertyValue<T>(propertyTypeAlias, recursive, ifCannotConvert);
         }
         #endregion
 
@@ -81,7 +81,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
             if (constructorInfo == null)
                 throw new Exception("No valid constructor found");
 
-            return (T) constructorInfo.Invoke(new object[] {Content.Parent});
+            return (T) constructorInfo.Invoke(new object[] {WrappedContentInternal.Parent});
         }
 
         protected IEnumerable<T> Children<T>(MethodBase methodBase) where T : TypedModelBase
@@ -98,7 +98,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
 
             string singularizedDocTypeAlias = docTypeAlias.ToSingular();
 
-            return Content.Children.Where(x => x.DocumentTypeAlias == singularizedDocTypeAlias)
+            return WrappedContentInternal.Children.Where(x => x.DocumentTypeAlias == singularizedDocTypeAlias)
                 .Select(x => (T)constructorInfo.Invoke(new object[] { x }));
         }
 
@@ -116,7 +116,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
 
             string singularizedDocTypeAlias = docTypeAlias.ToSingular();
 
-            return Content.Ancestors().Where(x => x.DocumentTypeAlias == singularizedDocTypeAlias)
+            return WrappedContentInternal.Ancestors().Where(x => x.DocumentTypeAlias == singularizedDocTypeAlias)
                 .Select(x => (T)constructorInfo.Invoke(new object[] { x }));
         }
 
@@ -134,7 +134,7 @@ namespace Umbraco.Tests.PublishedContent.StronglyTypedModels
 
             string singularizedDocTypeAlias = docTypeAlias.ToSingular();
 
-            return Content.Descendants().Where(x => x.DocumentTypeAlias == singularizedDocTypeAlias)
+            return WrappedContentInternal.Descendants().Where(x => x.DocumentTypeAlias == singularizedDocTypeAlias)
                 .Select(x => (T)constructorInfo.Invoke(new object[] { x }));
         }
         #endregion

src/Umbraco.Web.UI.Client/src/common/directives/components/umbnestedcontent.directive.js

@@ -0,0 +1,97 @@
+angular.module("umbraco.directives").directive('nestedContentEditor', [
+
+    function () {
+
+        var link = function ($scope) {
+
+            // Clone the model because some property editors
+            // do weird things like updating and config values
+            // so we want to ensure we start from a fresh every
+            // time, we'll just sync the value back when we need to
+            $scope.model = angular.copy($scope.ngModel);
+            $scope.nodeContext = $scope.model;
+
+            // Find the selected tab
+            var selectedTab = $scope.model.tabs[0];
+
+            if ($scope.tabAlias) {
+                angular.forEach($scope.model.tabs, function (tab) {
+                    if (tab.alias.toLowerCase() === $scope.tabAlias.toLowerCase()) {
+                        selectedTab = tab;
+                        return;
+                    }
+                });
+            }
+
+            $scope.tab = selectedTab;
+
+            // Listen for sync request
+            var unsubscribe = $scope.$on("ncSyncVal", function (ev, args) {
+                if (args.key === $scope.model.key) {
+
+                    // Tell inner controls we are submitting
+                    $scope.$broadcast("formSubmitting", { scope: $scope });
+
+                    // Sync the values back
+                    angular.forEach($scope.ngModel.tabs, function (tab) {
+                        if (tab.alias.toLowerCase() === selectedTab.alias.toLowerCase()) {
+
+                            var localPropsMap = selectedTab.properties.reduce(function (map, obj) {
+                                map[obj.alias] = obj;
+                                return map;
+                            }, {});
+
+                            angular.forEach(tab.properties, function (prop) {
+                                if (localPropsMap.hasOwnProperty(prop.alias)) {
+                                    prop.value = localPropsMap[prop.alias].value;
+                                }
+                            });
+
+                        }
+                    });
+                }
+            });
+
+            $scope.$on('$destroy', function () {
+                unsubscribe();
+            });
+        };
+
+        return {
+            restrict: "E",
+            replace: true,
+            templateUrl: Umbraco.Sys.ServerVariables.umbracoSettings.umbracoPath + "/views/propertyeditors/nestedcontent/nestedcontent.editor.html",
+            scope: {
+                ngModel: '=',
+                tabAlias: '='
+            },
+            link: link
+        };
+
+    }
+]);
+
+//angular.module("umbraco.directives").directive('nestedContentSubmitWatcher', function () {
+//    var link = function (scope) {
+//        // call the load callback on scope to obtain the ID of this submit watcher
+//        var id = scope.loadCallback();
+//        scope.$on("formSubmitting", function (ev, args) {
+//            // on the "formSubmitting" event, call the submit callback on scope to notify the nestedContent controller to do it's magic
+//            if (id === scope.activeSubmitWatcher) {
+//                scope.submitCallback();
+//            }
+//        });
+//    }
+
+//    return {
+//        restrict: "E",
+//        replace: true,
+//        template: "",
+//        scope: {
+//            loadCallback: '=',
+//            submitCallback: '=',
+//            activeSubmitWatcher: '='
+//        },
+//        link: link
+//    }
+//});

src/Umbraco.Web.UI.Client/src/common/filters/nestedcontent.filter.js

@@ -0,0 +1,47 @@
+// Filter to take a node id and grab it's name instead
+// Usage: {{ pickerAlias | ncNodeName }}
+
+// Cache for node names so we don't make a ton of requests
+var ncNodeNameCache = {
+    id: "",
+    keys: {}
+};
+
+angular.module("umbraco.filters").filter("ncNodeName", function (editorState, entityResource) {
+
+    return function (input) {
+
+        // Check we have a value at all
+        if (input === "" || input.toString() === "0") {
+            return "";
+        }
+
+        var currentNode = editorState.getCurrent();
+
+        // Ensure a unique cache per editor instance
+        var key = "ncNodeName_" + currentNode.key;
+        if (ncNodeNameCache.id !== key) {
+            ncNodeNameCache.id = key;
+            ncNodeNameCache.keys = {};
+        }
+
+        // See if there is a value in the cache and use that
+        if (ncNodeNameCache.keys[input]) {
+            return ncNodeNameCache.keys[input];
+        }
+
+        // No value, so go fetch one 
+        // We'll put a temp value in the cache though so we don't 
+        // make a load of requests while we wait for a response
+        ncNodeNameCache.keys[input] = "Loading...";
+
+        entityResource.getById(input, "Document")
+            .then(function (ent) {
+                ncNodeNameCache.keys[input] = ent.name;
+            });
+
+        // Return the current value for now
+        return ncNodeNameCache.keys[input];
+    };
+
+});

src/Umbraco.Web.UI.Client/src/common/resources/nestedcontent.resources.js

@@ -0,0 +1,12 @@
+angular.module('umbraco.resources').factory('Umbraco.PropertyEditors.NestedContent.Resources',
+    function ($q, $http, umbRequestHelper) {
+        return {
+            getContentTypes: function () {
+                var url = Umbraco.Sys.ServerVariables.umbracoSettings.umbracoPath + "/backoffice/UmbracoApi/NestedContent/GetContentTypes";
+                return umbRequestHelper.resourcePromise(
+                    $http.get(url),
+                    'Failed to retrieve content types'
+                );
+            },
+        };
+    });

src/Umbraco.Web.UI.Client/src/less/belle.less

@@ -120,6 +120,7 @@
 @import "components/umb-querybuilder.less";
 @import "components/umb-pagination.less";
 @import "components/umb-mini-list-view.less";
+@import "components/umb-nested-content.less";
 
 @import "components/buttons/umb-button.less";
 @import "components/buttons/umb-button-group.less";

src/Umbraco.Web.UI.Client/src/less/components/umb-nested-content.less

@@ -0,0 +1,192 @@
+.nested-content 
+{
+    text-align: center;
+}
+
+.nested-content__item 
+{
+    position: relative;
+    text-align: left;
+    border-top: solid 1px transparent;
+    background: white;
+
+
+}
+
+.nested-content__item--active:not(.nested-content__item--single)
+{
+    background: #f8f8f8;
+}
+
+.nested-content__item.ui-sortable-placeholder 
+{
+    background: #f8f8f8;
+    border: 1px dashed #d9d9d9;
+    visibility: visible !important;
+    height: 55px;
+    margin-top: -1px;
+}
+
+.nested-content__item--single > .nested-content__content
+{
+    border: 0;
+}
+
+.nested-content__item--single > .nested-content__content > .umb-pane
+{
+    margin: 0;
+}
+
+.nested-content__header-bar 
+{
+    padding: 15px 20px; 
+    border-bottom: 1px dashed #e0e0e0;
+    text-align: right;
+    cursor: pointer;
+    background-color: white;
+
+    -moz-user-select: none; 
+    -khtml-user-select: none; 
+    -webkit-user-select: none; 
+    -o-user-select: none; 
+}
+
+.nested-content__heading
+{
+    float: left;
+    line-height: 20px;
+}
+
+.nested-content__heading i 
+{
+    vertical-align: text-top;
+    color: #999; /* same icon color as the icons in the item type picker */
+    margin-right: 10px;
+}
+
+.nested-content__icons 
+{
+    margin: -6px 0;
+    opacity: 0;
+
+    transition: opacity .15s ease-in-out;
+   -moz-transition: opacity .15s ease-in-out;
+   -webkit-transition: opacity .15s ease-in-out;
+}
+
+.nested-content__header-bar:hover .nested-content__icons,
+.nested-content__item--active > .nested-content__header-bar .nested-content__icons
+{
+    opacity: 1;
+}
+
+.nested-content__icon,
+.nested-content__icon.nested-content__icon--disabled:hover
+{
+    display: inline-block;
+    padding: 4px 6px;
+    margin: 2px;
+    cursor: pointer;
+    background: #fff;
+    border: 1px solid #b6b6b6;
+    border-radius: 200px;
+    text-decoration: none !important;
+}
+
+.nested-content__icon:hover,
+.nested-content__icon--active
+{
+    color: white;
+    background: #2e8aea;
+    border-color: #2e8aea;
+    text-decoration: none;
+}
+
+.nested-content__icon .icon,
+.nested-content__icon.nested-content__icon--disabled:hover .icon
+{
+    display: block;
+    font-size: 16px !important;
+    color: #5f5f5f;
+}
+
+.nested-content__icon:hover .icon,
+.nested-content__icon--active .icon
+{
+    color: white;
+}
+
+.nested-content__icon--disabled 
+{
+    opacity: 0.3;
+}
+
+
+.nested-content__footer-bar 
+{
+    text-align: center;
+    padding-top: 20px;
+}
+
+.nested-content__content 
+{
+    border-bottom: 1px dashed #e0e0e0;
+}
+
+.nested-content__content .umb-control-group {
+    padding-bottom: 0;
+}
+
+.nested-content__item.ui-sortable-helper .nested-content__content
+{
+    display: none !important;
+}
+
+.nested-content__help-text 
+{
+    display: inline-block;
+    padding: 10px 20px 10px 20px;
+    clear: both;
+    font-size: 14px;
+    color: #555;
+    background: #f8f8f8;
+    border-radius: 15px;
+}
+
+.nested-content__doctypepicker table input, .nested-content__doctypepicker table select {
+    width: 100%;
+    padding-right: 0;
+}
+
+.nested-content__doctypepicker table td.icon-navigation, .nested-content__doctypepicker i.nested-content__help-icon {
+    vertical-align: middle;
+    color: #CCC;
+}
+
+.nested-content__doctypepicker table td.icon-navigation:hover, .nested-content__doctypepicker i.nested-content__help-icon:hover {
+    color: #343434;
+}
+
+.nested-content__doctypepicker i.nested-content__help-icon {
+    margin-left: 10px;
+}
+
+.form-horizontal .nested-content--narrow .controls-row 
+{
+    margin-left: 40% !important;
+}
+
+.form-horizontal .nested-content--narrow .controls-row .umb-textstring,
+.form-horizontal .nested-content--narrow .controls-row .umb-textarea
+{
+    width: 95%;
+}
+
+.form-horizontal .nested-content--narrow .controls-row .umb-dropdown {
+    width: 99%;
+}
+
+.usky-grid.nested-content__node-type-picker .cell-tools-menu {
+    position: relative;
+    transform: translate(-50%, -25%);
+}

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.controller.js

@@ -0,0 +1,417 @@
+angular.module("umbraco").controller("Umbraco.PropertyEditors.NestedContent.DocTypePickerController", [
+
+    "$scope",
+    "Umbraco.PropertyEditors.NestedContent.Resources",
+
+    function ($scope, ncResources) {
+
+        $scope.add = function () {
+            $scope.model.value.push({
+                // As per PR #4, all stored content type aliases must be prefixed "nc" for easier recognition.
+                // For good measure we'll also prefix the tab alias "nc"
+                ncAlias: "",
+                ncTabAlias: "",
+                nameTemplate: ""
+            }
+            );
+        }
+
+        $scope.remove = function (index) {
+            $scope.model.value.splice(index, 1);
+        }
+
+        $scope.sortableOptions = {
+            axis: 'y',
+            cursor: "move",
+            handle: ".icon-navigation"
+        };
+
+        $scope.selectedDocTypeTabs = {};
+
+        ncResources.getContentTypes().then(function (docTypes) {
+            $scope.model.docTypes = docTypes;
+
+            // Populate document type tab dictionary
+            docTypes.forEach(function (value) {
+                $scope.selectedDocTypeTabs[value.alias] = value.tabs;
+            });
+        });
+
+        if (!$scope.model.value) {
+            $scope.model.value = [];
+            $scope.add();
+        }
+    }
+]);
+
+angular.module("umbraco").controller("Umbraco.PropertyEditors.NestedContent.PropertyEditorController", [
+
+    "$scope",
+    "$interpolate",
+    "$filter",
+    "$timeout",
+    "contentResource",
+    "localizationService",
+    "iconHelper",
+    "Umbraco.PropertyEditors.NestedContent.Resources",
+
+    function ($scope, $interpolate, $filter, $timeout, contentResource, localizationService, iconHelper, ncResources) {
+
+        //$scope.model.config.contentTypes;
+        //$scope.model.config.minItems;
+        //$scope.model.config.maxItems;
+        //console.log($scope);
+
+        var inited = false;
+
+        _.each($scope.model.config.contentTypes, function (contentType) {
+            contentType.nameExp = !!contentType.nameTemplate
+                ? $interpolate(contentType.nameTemplate)
+                : undefined;
+        });
+
+        $scope.editIconTitle = '';
+        $scope.moveIconTitle = '';
+        $scope.deleteIconTitle = '';
+
+        // localize the edit icon title
+        localizationService.localize('general_edit').then(function (value) {
+            $scope.editIconTitle = value;
+        });
+
+        // localize the delete icon title
+        localizationService.localize('general_delete').then(function (value) {
+            $scope.deleteIconTitle = value;
+        });
+
+        // localize the move icon title
+        localizationService.localize('actions_move').then(function (value) {
+            $scope.moveIconTitle = value;
+        });
+
+        $scope.nodes = [];
+        $scope.currentNode = undefined;
+        $scope.realCurrentNode = undefined;
+        $scope.scaffolds = undefined;
+        $scope.sorting = false;
+
+        $scope.minItems = $scope.model.config.minItems || 0;
+        $scope.maxItems = $scope.model.config.maxItems || 0;
+
+        if ($scope.maxItems == 0)
+            $scope.maxItems = 1000;
+
+        $scope.singleMode = $scope.minItems == 1 && $scope.maxItems == 1;
+        $scope.showIcons = $scope.model.config.showIcons || true;
+        $scope.wideMode = $scope.model.config.hideLabel == "1";
+
+        $scope.overlayMenu = {
+            show: false,
+            style: {}
+        };
+
+        // helper to force the current form into the dirty state
+        $scope.setDirty = function () {
+            if ($scope.propertyForm) {
+                $scope.propertyForm.$setDirty();
+            }
+        };
+
+        $scope.addNode = function (alias) {
+            var scaffold = $scope.getScaffold(alias);
+
+            var newNode = initNode(scaffold, null);
+
+            $scope.currentNode = newNode;
+            $scope.setDirty();
+
+            $scope.closeNodeTypePicker();
+        };
+
+        $scope.openNodeTypePicker = function (event) {
+            if ($scope.nodes.length >= $scope.maxItems) {
+                return;
+            }
+
+            // this could be used for future limiting on node types
+            $scope.overlayMenu.scaffolds = [];
+            _.each($scope.scaffolds, function (scaffold) {
+                $scope.overlayMenu.scaffolds.push({
+                    alias: scaffold.contentTypeAlias,
+                    name: scaffold.contentTypeName,
+                    icon: iconHelper.convertFromLegacyIcon(scaffold.icon)
+                });
+            });
+
+            if ($scope.overlayMenu.scaffolds.length == 0) {
+                return;
+            }
+
+            if ($scope.overlayMenu.scaffolds.length == 1) {
+                // only one scaffold type - no need to display the picker
+                $scope.addNode($scope.scaffolds[0].contentTypeAlias);
+                return;
+            }
+
+            $scope.overlayMenu.show = true;
+        };
+
+        $scope.closeNodeTypePicker = function () {
+            $scope.overlayMenu.show = false;
+        };
+
+        $scope.editNode = function (idx) {
+            if ($scope.currentNode && $scope.currentNode.key == $scope.nodes[idx].key) {
+                $scope.currentNode = undefined;
+            } else {
+                $scope.currentNode = $scope.nodes[idx];
+            }
+        };
+
+        $scope.deleteNode = function (idx) {
+            if ($scope.nodes.length > $scope.model.config.minItems) {
+                if ($scope.model.config.confirmDeletes && $scope.model.config.confirmDeletes == 1) {
+                    if (confirm("Are you sure you want to delete this item?")) {
+                        $scope.nodes.splice(idx, 1);
+                        $scope.setDirty();
+                        updateModel();
+                    }
+                } else {
+                    $scope.nodes.splice(idx, 1);
+                    $scope.setDirty();
+                    updateModel();
+                }
+            }
+        };
+
+        $scope.getName = function (idx) {
+
+            var name = "Item " + (idx + 1);
+
+            if ($scope.model.value[idx]) {
+
+                var contentType = $scope.getContentTypeConfig($scope.model.value[idx].ncContentTypeAlias);
+
+                if (contentType != null && contentType.nameExp) {
+                    // Run the expression against the stored dictionary value, NOT the node object
+                    var item = $scope.model.value[idx];
+
+                    // Add a temporary index property
+                    item['$index'] = (idx + 1);
+
+                    var newName = contentType.nameExp(item);
+                    if (newName && (newName = $.trim(newName))) {
+                        name = newName;
+                    }
+
+                    // Delete the index property as we don't want to persist it
+                    delete item['$index'];
+                }
+
+            }
+
+            // Update the nodes actual name value
+            if ($scope.nodes[idx].name !== name) {
+                $scope.nodes[idx].name = name;
+            }
+
+
+            return name;
+        };
+
+        $scope.getIcon = function (idx) {
+            var scaffold = $scope.getScaffold($scope.model.value[idx].ncContentTypeAlias);
+            return scaffold && scaffold.icon ? iconHelper.convertFromLegacyIcon(scaffold.icon) : "icon-folder";
+        }
+
+        $scope.sortableOptions = {
+            axis: 'y',
+            cursor: "move",
+            handle: ".nested-content__icon--move",
+            start: function (ev, ui) {
+                // Yea, yea, we shouldn't modify the dom, sue me
+                $("#nested-content--" + $scope.model.id + " .umb-rte textarea").each(function () {
+                    tinymce.execCommand('mceRemoveEditor', false, $(this).attr('id'));
+                    $(this).css("visibility", "hidden");
+                });
+                $scope.$apply(function () {
+                    $scope.sorting = true;
+                });
+            },
+            update: function (ev, ui) {
+                $scope.setDirty();
+            },
+            stop: function (ev, ui) {
+                $("#nested-content--" + $scope.model.id + " .umb-rte textarea").each(function () {
+                    tinymce.execCommand('mceAddEditor', true, $(this).attr('id'));
+                    $(this).css("visibility", "visible");
+                });
+                $scope.$apply(function () {
+                    $scope.sorting = false;
+                    updateModel();
+                });
+            }
+        };
+
+        $scope.getScaffold = function (alias) {
+            return _.find($scope.scaffolds, function (scaffold) {
+                return scaffold.contentTypeAlias == alias;
+            });
+        }
+
+        $scope.getContentTypeConfig = function (alias) {
+            return _.find($scope.model.config.contentTypes, function (contentType) {
+                return contentType.ncAlias == alias;
+            });
+        }
+
+        // Initialize
+        var scaffoldsLoaded = 0;
+        $scope.scaffolds = [];
+        _.each($scope.model.config.contentTypes, function (contentType) {
+            contentResource.getScaffold(-20, contentType.ncAlias).then(function (scaffold) {
+                // remove all tabs except the specified tab
+                var tab = _.find(scaffold.tabs, function (tab) {
+                    return tab.id != 0 && (tab.alias.toLowerCase() == contentType.ncTabAlias.toLowerCase() || contentType.ncTabAlias == "");
+                });
+                scaffold.tabs = [];
+                if (tab) {
+                    scaffold.tabs.push(tab);
+                }
+
+                // Store the scaffold object
+                $scope.scaffolds.push(scaffold);
+
+                scaffoldsLoaded++;
+                initIfAllScaffoldsHaveLoaded();
+            }, function (error) {
+                scaffoldsLoaded++;
+                initIfAllScaffoldsHaveLoaded();
+            });
+        });
+
+        var initIfAllScaffoldsHaveLoaded = function () {
+            // Initialize when all scaffolds have loaded
+            if ($scope.model.config.contentTypes.length == scaffoldsLoaded) {
+                // Because we're loading the scaffolds async one at a time, we need to
+                // sort them explicitly according to the sort order defined by the data type.
+                var contentTypeAliases = [];
+                _.each($scope.model.config.contentTypes, function (contentType) {
+                    contentTypeAliases.push(contentType.ncAlias);
+                });
+                $scope.scaffolds = $filter('orderBy')($scope.scaffolds, function (s) {
+                    return contentTypeAliases.indexOf(s.contentTypeAlias);
+                });
+
+                // Convert stored nodes
+                if ($scope.model.value) {
+                    for (var i = 0; i < $scope.model.value.length; i++) {
+                        var item = $scope.model.value[i];
+                        var scaffold = $scope.getScaffold(item.ncContentTypeAlias);
+                        if (scaffold == null) {
+                            // No such scaffold - the content type might have been deleted. We need to skip it.
+                            continue;
+                        }
+                        initNode(scaffold, item);
+                    }
+                }
+
+                // Enforce min items
+                if ($scope.nodes.length < $scope.model.config.minItems) {
+                    for (var i = $scope.nodes.length; i < $scope.model.config.minItems; i++) {
+                        $scope.addNode($scope.scaffolds[0].contentTypeAlias);
+                    }
+                }
+
+                // If there is only one item, set it as current node
+                if ($scope.singleMode || ($scope.nodes.length == 1 && $scope.maxItems == 1)) {
+                    $scope.currentNode = $scope.nodes[0];
+                }
+
+                inited = true;
+            }
+        }
+
+        var initNode = function (scaffold, item) {
+            var node = angular.copy(scaffold);
+
+            node.key = guid();
+            node.ncContentTypeAlias = scaffold.contentTypeAlias;
+
+            for (var t = 0; t < node.tabs.length; t++) {
+                var tab = node.tabs[t];
+                for (var p = 0; p < tab.properties.length; p++) {
+                    var prop = tab.properties[p];
+                    prop.propertyAlias = prop.alias;
+                    prop.alias = $scope.model.alias + "___" + prop.alias;
+                    // Force validation to occur server side as this is the
+                    // only way we can have consistancy between mandatory and
+                    // regex validation messages. Not ideal, but it works.
+                    prop.validation = {
+                        mandatory: false,
+                        pattern: ""
+                    };
+                    if (item) {
+                        if (item[prop.propertyAlias]) {
+                            prop.value = item[prop.propertyAlias];
+                        }
+                    }
+                }
+            }
+
+            $scope.nodes.push(node);
+
+            return node;
+        }
+
+        var updateModel = function () {
+            if ($scope.realCurrentNode) {
+                $scope.$broadcast("ncSyncVal", { key: $scope.realCurrentNode.key });
+            }
+            if (inited) {
+                var newValues = [];
+                for (var i = 0; i < $scope.nodes.length; i++) {
+                    var node = $scope.nodes[i];
+                    var newValue = {
+                        key: node.key,
+                        name: node.name,
+                        ncContentTypeAlias: node.ncContentTypeAlias
+                    };
+                    for (var t = 0; t < node.tabs.length; t++) {
+                        var tab = node.tabs[t];
+                        for (var p = 0; p < tab.properties.length; p++) {
+                            var prop = tab.properties[p];
+                            if (typeof prop.value !== "function") {
+                                newValue[prop.propertyAlias] = prop.value;
+                            }
+                        }
+                    }
+                    newValues.push(newValue);
+                }
+                $scope.model.value = newValues;
+            }
+        }
+
+        $scope.$watch("currentNode", function (newVal) {
+            updateModel();
+            $scope.realCurrentNode = newVal;
+        });
+
+        var unsubscribe = $scope.$on("formSubmitting", function (ev, args) {
+            updateModel();
+        });
+
+        $scope.$on('$destroy', function () {
+            unsubscribe();
+        });
+
+        var guid = function () {
+            function _p8(s) {
+                var p = (Math.random().toString(16) + "000000000").substr(2, 8);
+                return s ? "-" + p.substr(0, 4) + "-" + p.substr(4, 4) : p;
+            }
+            return _p8() + _p8(true) + _p8(true) + _p8();
+        };
+    }
+
+]);

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.doctypepicker.html

@@ -0,0 +1,58 @@
+<div id="{{model.alias}}" class="nested-content__doctypepicker" ng-controller="Umbraco.PropertyEditors.NestedContent.DocTypePickerController">
+    <div>
+        <table class="table table-striped">
+            <thead>
+                <tr>
+                    <th/>
+                    <th>
+                        Document Type
+                    </th>
+                    <th>
+                        Tab
+                    </th>
+                    <th>
+                        Name Template
+                    </th>
+                    <th />
+                </tr>
+            </thead>
+            <tbody ui-sortable="sortableOptions" ng-model="model.value">
+                <tr ng-repeat="config in model.value">
+                    <td class="icon icon-navigation">
+                    </td>
+                    <td>
+                        <select id="{{model.alias}}_doctype_select"
+                            ng-options="dt.alias as dt.name for dt in model.docTypes | orderBy: 'name'"
+                            ng-model="config.ncAlias" required></select>
+                    </td>
+                    <td>
+                        <select id="{{model.alias}}_tab_select"
+                            ng-options="t for t in selectedDocTypeTabs[config.ncAlias]"
+                            ng-model="config.ncTabAlias" required></select>
+                    </td>
+                    <td>
+                        <input type="text" ng-model="config.nameTemplate" />
+                    </td>
+                    <td>
+                        <a class="btn btn-danger" ng-click="remove($index)" ng-show="model.value.length > 1">Remove</a>
+                    </td>
+                </tr>
+            </tbody>
+        </table>
+        <div>
+            <a class="btn" ng-click="add()">Add</a>
+            <i class="icon icon-help-alt medium nested-content__help-icon" ng-click="showHelpText = !showHelpText"></i>
+        </div>
+    </div>
+    <br/>
+    <div class="nested-content__help-text" ng-show="showHelpText">
+        <p>
+            <b>Tab:</b><br/>
+            Select the tab who's properties should be displayed. If left blank, the first tab on the doc type will be used.            
+        </p>
+        <p>
+            <b>Name template:</b><br/>
+            Enter an angular expression to evaluate against each item for its name. Use <code ng-non-bindable>{{$index}}</code> to display the item index  
+        </p>
+    </div>
+</div>

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.editor.html

@@ -0,0 +1,9 @@
+<div class="umb-pane">
+
+    <umb-property 
+        property="property"
+        ng-repeat="property in tab.properties">
+        <umb-editor model="property"></umb-editor>
+    </umb-property>
+
+</div>

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.html

@@ -0,0 +1,62 @@
+<div id="nested-content--{{model.id}}" class="nested-content"
+     ng-controller="Umbraco.PropertyEditors.NestedContent.PropertyEditorController"
+     ng-class="{'nested-content--narrow':!wideMode, 'nested-content--wide':wideMode}">
+    <ng-form>
+
+        <div class="nested-content__items" ng-hide="nodes.length == 0" ui-sortable="sortableOptions" ng-model="nodes">
+
+            <div class="nested-content__item" ng-repeat="node in nodes" ng-class="{ 'nested-content__item--active' : $parent.realCurrentNode.key == node.key, 'nested-content__item--single' : $parent.singleMode }">
+
+                <div class="nested-content__header-bar" ng-click="$parent.editNode($index)" ng-hide="$parent.singleMode">
+
+                    <div class="nested-content__heading"><i ng-if="showIcons" class="icon" ng-class="$parent.getIcon($index)"></i><span ng-bind="$parent.getName($index)"></span></div>
+
+                    <div class="nested-content__icons">
+                        <a class="nested-content__icon nested-content__icon--edit" title="{{editIconTitle}}" ng-class="{ 'nested-content__icon--active' : $parent.realCurrentNode.id == node.id }" ng-click="$parent.editNode($index); $event.stopPropagation();" ng-show="$parent.maxItems > 1" prevent-default>
+                            <i class="icon icon-edit"></i>
+                        </a>
+                        <a class="nested-content__icon nested-content__icon--move" title="{{moveIconTitle}}" ng-click="$event.stopPropagation();" ng-show="$parent.nodes.length > 1" prevent-default>
+                            <i class="icon icon-navigation"></i>
+                        </a>
+                        <a class="nested-content__icon nested-content__icon--delete" title="{{deleteIconTitle}}" ng-class="{ 'nested-content__icon--disabled': $parent.nodes.length <= $parent.minItems }" ng-click="$parent.deleteNode($index); $event.stopPropagation();" prevent-default>
+                            <i class="icon icon-trash"></i>
+                        </a>
+                    </div>
+
+                </div>
+
+                <div class="nested-content__content" ng-if="$parent.realCurrentNode.key == node.key && !$parent.sorting">
+                    <nested-content-editor ng-model="node" tab-alias="ncTabAlias" />
+                </div>
+            </div>
+
+        </div>
+
+        <div class="nested-content__help-text" ng-show="nodes.length == 0">
+            <localize key="grid_addElement"></localize>
+        </div>
+
+        <div class="nested-content__footer-bar" ng-hide="nodes.length >= maxItems">
+            <a class="nested-content__icon" ng-click="openNodeTypePicker($event)" prevent-default>
+                <i class="icon icon-add"></i>
+            </a>
+        </div>
+
+        <div class="usky-grid nested-content__node-type-picker" ng-if="overlayMenu.show">
+            <div class="cell-tools-menu" ng-style="overlayMenu.style" style="margin: 0;" delayed-mouseleave="closeNodeTypePicker()" on-delayed-mouseleave="closeNodeTypePicker()">
+                <h5>
+                    <localize key="grid_insertControl" />
+                </h5>
+                <ul class="elements">
+                    <li ng-repeat="scaffold in overlayMenu.scaffolds">
+                        <a ng-click="addNode(scaffold.alias)" href>
+                            <i class="icon {{scaffold.icon}}"></i>
+                            {{scaffold.name}}
+                        </a>
+                    </li>
+                </ul>
+            </div>
+        </div>
+
+    </ng-form>
+</div>

src/Umbraco.Web/Cache/DataTypeCacheRefresher.cs

@@ -6,6 +6,7 @@ using System.Linq;
 using Umbraco.Core.Models;
 using Umbraco.Core.Models.PublishedContent;
 using Umbraco.Core.PropertyEditors.ValueConverters;
+using Umbraco.Web.PropertyEditors;
 using Umbraco.Web.PropertyEditors.ValueConverters;
 
 
@@ -13,12 +14,12 @@ namespace Umbraco.Web.Cache
 {
     /// <summary>
     /// A cache refresher to ensure member cache is updated when members change
-    /// </summary>    
+    /// </summary>
     public sealed class DataTypeCacheRefresher : JsonCacheRefresherBase<DataTypeCacheRefresher>
     {
 
         #region Static helpers
-        
+
         /// <summary>
         /// Converts the json to a JsonPayload object
         /// </summary>
@@ -29,7 +30,7 @@ namespace Umbraco.Web.Cache
             var serializer = new JavaScriptSerializer();
             var jsonObject = serializer.Deserialize<JsonPayload[]>(json);
             return jsonObject;
-        }   
+        }
 
         /// <summary>
         /// Creates the custom Json payload used to refresh cache amongst the servers
@@ -43,7 +44,7 @@ namespace Umbraco.Web.Cache
             var json = serializer.Serialize(items);
             return json;
         }
-   
+
         /// <summary>
         /// Converts a macro to a jsonPayload object
         /// </summary>
@@ -58,7 +59,7 @@ namespace Umbraco.Web.Cache
             };
             return payload;
         }
-        
+
         #endregion
 
         #region Sub classes
@@ -93,7 +94,7 @@ namespace Umbraco.Web.Cache
             //we need to clear the ContentType runtime cache since that is what caches the
             // db data type to store the value against and anytime a datatype changes, this also might change
             // we basically need to clear all sorts of runtime caches here because so many things depend upon a data type
-            
+
             ClearAllIsolatedCacheByEntityType<IContent>();
             ClearAllIsolatedCacheByEntityType<IContentType>();
             ClearAllIsolatedCacheByEntityType<IMedia>();
@@ -104,14 +105,15 @@ namespace Umbraco.Web.Cache
             ApplicationContext.Current.ApplicationCache.RuntimeCache.ClearCacheByKeySearch(CacheKeys.KeyToIdCacheKey);
 
             var dataTypeCache = ApplicationContext.Current.ApplicationCache.IsolatedRuntimeCache.GetCache<IDataTypeDefinition>();
-            payloads.ForEach(payload =>
+            foreach (var payload in payloads)
             {
                 //clears the prevalue cache
                 if (dataTypeCache)
                     dataTypeCache.Result.ClearCacheByKeySearch(string.Format("{0}_{1}", CacheKeys.DataTypePreValuesCacheKey, payload.Id));
 
                 PublishedContentType.ClearDataType(payload.Id);
-            });
+                NestedContentHelper.ClearCache(payload.Id);
+            }
 
             TagsValueConverter.ClearCaches();
             MultipleMediaPickerPropertyConverter.ClearCaches();

src/Umbraco.Web/Models/DetachedPublishedContent.cs

@@ -0,0 +1,166 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Core;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Web.Models
+{
+    public class DetachedPublishedContent : PublishedContentWithKeyBase
+    {
+        private readonly Guid _key;
+        private readonly string _name;
+        private readonly PublishedContentType _contentType;
+        private readonly IEnumerable<IPublishedProperty> _properties;
+        private readonly int _sortOrder;
+        private readonly bool _isPreviewing;
+        private readonly IPublishedContent _containerNode;
+
+        public DetachedPublishedContent(
+            Guid key,
+            string name,
+            PublishedContentType contentType,
+            IEnumerable<IPublishedProperty> properties,
+            IPublishedContent containerNode = null,
+            int sortOrder = 0,
+            bool isPreviewing = false)
+        {
+            _key = key;
+            _name = name;
+            _contentType = contentType;
+            _properties = properties;
+            _sortOrder = sortOrder;
+            _isPreviewing = isPreviewing;
+            _containerNode = containerNode;
+        }
+
+        public override Guid Key
+        {
+            get { return _key; }
+        }
+
+        public override int Id
+        {
+            get { return 0; }
+        }
+
+        public override string Name
+        {
+            get { return _name; }
+        }
+
+        public override bool IsDraft
+        {
+            get { return _isPreviewing; }
+        }
+
+        public override PublishedItemType ItemType
+        {
+            get { return PublishedItemType.Content; }
+        }
+
+        public override PublishedContentType ContentType
+        {
+            get { return _contentType; }
+        }
+
+        public override string DocumentTypeAlias
+        {
+            get { return _contentType.Alias; }
+        }
+
+        public override int DocumentTypeId
+        {
+            get { return _contentType.Id; }
+        }
+
+        public override ICollection<IPublishedProperty> Properties
+        {
+            get { return _properties.ToArray(); }
+        }
+
+        public override IPublishedProperty GetProperty(string alias)
+        {
+            return _properties.FirstOrDefault(x => x.PropertyTypeAlias.InvariantEquals(alias));
+        }
+
+        public override IPublishedProperty GetProperty(string alias, bool recurse)
+        {
+            if (recurse)
+                throw new NotSupportedException();
+
+            return GetProperty(alias);
+        }
+
+        public override IPublishedContent Parent
+        {
+            get { return null; }
+        }
+
+        public override IEnumerable<IPublishedContent> Children
+        {
+            get { return Enumerable.Empty<IPublishedContent>(); }
+        }
+
+        public override int TemplateId
+        {
+            get { return 0; }
+        }
+
+        public override int SortOrder
+        {
+            get { return _sortOrder; }
+        }
+
+        public override string UrlName
+        {
+            get { return null; }
+        }
+
+        public override string WriterName
+        {
+            get { return _containerNode != null ? _containerNode.WriterName : null; }
+        }
+
+        public override string CreatorName
+        {
+            get { return _containerNode != null ? _containerNode.CreatorName : null; }
+        }
+
+        public override int WriterId
+        {
+            get { return _containerNode != null ? _containerNode.WriterId : 0; }
+        }
+
+        public override int CreatorId
+        {
+            get { return _containerNode != null ? _containerNode.CreatorId : 0; }
+        }
+
+        public override string Path
+        {
+            get { return null; }
+        }
+
+        public override DateTime CreateDate
+        {
+            get { return _containerNode != null ? _containerNode.CreateDate : DateTime.MinValue; }
+        }
+
+        public override DateTime UpdateDate
+        {
+            get { return _containerNode != null ? _containerNode.UpdateDate : DateTime.MinValue; }
+        }
+
+        public override Guid Version
+        {
+            get { return _containerNode != null ? _containerNode.Version : Guid.Empty; }
+        }
+
+        public override int Level
+        {
+            get { return 0; }
+        }
+    }
+}

src/Umbraco.Web/Models/DetachedPublishedProperty.cs

@@ -0,0 +1,52 @@
+using System;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Web.Models
+{
+    internal class DetachedPublishedProperty : IPublishedProperty
+    {
+        private readonly PublishedPropertyType _propertyType;
+        private readonly object _rawValue;
+        private readonly Lazy<object> _sourceValue;
+        private readonly Lazy<object> _objectValue;
+        private readonly Lazy<object> _xpathValue;
+        private readonly bool _isPreview;
+
+        public DetachedPublishedProperty(PublishedPropertyType propertyType, object value)
+            : this(propertyType, value, false)
+        {
+        }
+
+        public DetachedPublishedProperty(PublishedPropertyType propertyType, object value, bool isPreview)
+        {
+            _propertyType = propertyType;
+            _isPreview = isPreview;
+
+            _rawValue = value;
+
+            _sourceValue = new Lazy<object>(() => _propertyType.ConvertDataToSource(_rawValue, _isPreview));
+            _objectValue = new Lazy<object>(() => _propertyType.ConvertSourceToObject(_sourceValue.Value, _isPreview));
+            _xpathValue = new Lazy<object>(() => _propertyType.ConvertSourceToXPath(_sourceValue.Value, _isPreview));
+        }
+
+        public string PropertyTypeAlias
+        {
+            get
+            {
+                return _propertyType.PropertyTypeAlias;
+            }
+        }
+
+        public bool HasValue
+        {
+            get { return DataValue != null && DataValue.ToString().Trim().Length > 0; }
+        }
+
+        public object DataValue { get { return _rawValue; } }
+
+        public object Value { get { return _objectValue.Value; } }
+
+        public object XPathValue { get { return _xpathValue.Value; } }
+    }
+}

src/Umbraco.Web/PropertyEditors/NestedContentController.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Web.Editors;
+using Umbraco.Web.Mvc;
+
+namespace Umbraco.Web.PropertyEditors
+{
+    [PluginController("UmbracoApi")]
+    public class NestedContentController : UmbracoAuthorizedJsonController
+    {
+        [System.Web.Http.HttpGet]
+        public IEnumerable<object> GetContentTypes()
+        {
+            return Services.ContentTypeService.GetAllContentTypes()
+                .OrderBy(x => x.SortOrder)
+                .Select(x => new
+                {
+                    id = x.Id,
+                    guid = x.Key,
+                    name = x.Name,
+                    alias = x.Alias,
+                    icon = x.Icon,
+                    tabs = x.CompositionPropertyGroups.Select(y => y.Name).Distinct()
+                });
+        }
+    }
+}

src/Umbraco.Web/PropertyEditors/NestedContentHelper.cs

@@ -0,0 +1,131 @@
+using System;
+using System.Linq;
+using Newtonsoft.Json.Linq;
+using Umbraco.Core;
+using Umbraco.Core.Models;
+
+namespace Umbraco.Web.PropertyEditors
+{
+    internal static class NestedContentHelper
+    {
+        private const string CacheKeyPrefix = "Umbraco.Web.PropertyEditors.NestedContent.GetPreValuesCollectionByDataTypeId_";
+
+        public static PreValueCollection GetPreValuesCollectionByDataTypeId(int dtdId)
+        {
+            var preValueCollection = (PreValueCollection)ApplicationContext.Current.ApplicationCache.RuntimeCache.GetCacheItem(
+                string.Concat(CacheKeyPrefix, dtdId),
+                () => ApplicationContext.Current.Services.DataTypeService.GetPreValuesCollectionByDataTypeId(dtdId));
+
+            return preValueCollection;
+        }
+
+        public static void ClearCache(int id)
+        {
+            ApplicationContext.Current.ApplicationCache.RuntimeCache.ClearCacheItem(
+                string.Concat(CacheKeyPrefix, id));
+        }
+
+        public static string GetContentTypeAliasFromItem(JObject item)
+        {
+            var contentTypeAliasProperty = item[NestedContentPropertyEditor.ContentTypeAliasPropertyKey];
+            if (contentTypeAliasProperty == null)
+            {
+                return null;
+            }
+
+            return contentTypeAliasProperty.ToObject<string>();
+        }
+
+        public static IContentType GetContentTypeFromItem(JObject item)
+        {
+            var contentTypeAlias = GetContentTypeAliasFromItem(item);
+            if (string.IsNullOrEmpty(contentTypeAlias))
+            {
+                return null;
+            }
+
+            return ApplicationContext.Current.Services.ContentTypeService.GetContentType(contentTypeAlias);
+        }
+
+        #region Conversion from v0.1.1 data formats
+
+        public static void ConvertItemValueFromV011(JObject item, int dtdId, ref PreValueCollection preValues)
+        {
+            var contentTypeAlias = GetContentTypeAliasFromItem(item);
+            if (contentTypeAlias != null)
+            {
+                // the item is already in >v0.1.1 format
+                return;
+            }
+
+            // old style (v0.1.1) data, let's attempt a conversion
+            // - get the prevalues (if they're not loaded already)
+            preValues = preValues ?? GetPreValuesCollectionByDataTypeId(dtdId);
+
+            // - convert the prevalues (if necessary)
+            ConvertPreValueCollectionFromV011(preValues);
+
+            // - get the content types prevalue as JArray
+            var preValuesAsDictionary = preValues.PreValuesAsDictionary.ToDictionary(x => x.Key, x => x.Value.Value);
+            if (!preValuesAsDictionary.ContainsKey(ContentTypesPreValueKey) || string.IsNullOrEmpty(preValuesAsDictionary[ContentTypesPreValueKey]) != false)
+            {
+                return;
+            }
+
+            var preValueContentTypes = JArray.Parse(preValuesAsDictionary[ContentTypesPreValueKey]);
+            if (preValueContentTypes.Any())
+            {
+                // the only thing we can really do is assume that the item is the first available content type 
+                item[NestedContentPropertyEditor.ContentTypeAliasPropertyKey] = preValueContentTypes.First().Value<string>("ncAlias");
+            }
+        }
+
+        public static void ConvertPreValueCollectionFromV011(PreValueCollection preValueCollection)
+        {
+            if (preValueCollection == null)
+            {
+                return;
+            }
+
+            var persistedPreValuesAsDictionary = preValueCollection.PreValuesAsDictionary.ToDictionary(x => x.Key, x => x.Value.Value);
+
+            // do we have a "docTypeGuid" prevalue and no "contentTypes" prevalue?
+            if (persistedPreValuesAsDictionary.ContainsKey("docTypeGuid") == false || persistedPreValuesAsDictionary.ContainsKey(ContentTypesPreValueKey))
+            {
+                // the prevalues are already in >v0.1.1 format
+                return;
+            }
+
+            // attempt to parse the doc type guid
+            Guid guid;
+            if (Guid.TryParse(persistedPreValuesAsDictionary["docTypeGuid"], out guid) == false)
+            {
+                // this shouldn't happen... but just in case.
+                return;
+            }
+
+            // find the content type
+            var contentType = ApplicationContext.Current.Services.ContentTypeService.GetAllContentTypes().FirstOrDefault(c => c.Key == guid);
+            if (contentType == null)
+            {
+                return;
+            }
+
+            // add a prevalue in the format expected by the new (>0.1.1) content type picker/configurator
+            preValueCollection.PreValuesAsDictionary[ContentTypesPreValueKey] = new PreValue(
+                string.Format(@"[{{""ncAlias"": ""{0}"", ""ncTabAlias"": ""{1}"", ""nameTemplate"": ""{2}"", }}]",
+                    contentType.Alias,
+                    persistedPreValuesAsDictionary["tabAlias"],
+                    persistedPreValuesAsDictionary["nameTemplate"]
+                )
+            );
+        }
+
+        private static string ContentTypesPreValueKey
+        {
+            get { return NestedContentPropertyEditor.NestedContentPreValueEditor.ContentTypesPreValueKey; }
+        }
+
+        #endregion
+    }
+}

src/Umbraco.Web/PropertyEditors/NestedContentPropertyEditor.cs

@@ -0,0 +1,413 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Umbraco.Core;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.Editors;
+using Umbraco.Core.PropertyEditors;
+using Umbraco.Core.Services;
+
+namespace Umbraco.Web.PropertyEditors
+{
+    [PropertyEditor(Constants.PropertyEditors.NestedContentAlias, "Nested Content", "nestedcontent", ValueType = "JSON", Group = "lists", Icon = "icon-thumbnail-list")]
+    public class NestedContentPropertyEditor : PropertyEditor
+    {
+        internal const string ContentTypeAliasPropertyKey = "ncContentTypeAlias";
+
+        private IDictionary<string, object> _defaultPreValues;
+        public override IDictionary<string, object> DefaultPreValues
+        {
+            get { return _defaultPreValues; }
+            set { _defaultPreValues = value; }
+        }
+
+        public NestedContentPropertyEditor()
+        {
+            // Setup default values
+            _defaultPreValues = new Dictionary<string, object>
+            {
+                {NestedContentPreValueEditor.ContentTypesPreValueKey, ""},
+                {"minItems", 0},
+                {"maxItems", 0},
+                {"confirmDeletes", "1"},
+                {"showIcons", "1"}
+            };
+        }
+
+        #region Pre Value Editor
+
+        protected override PreValueEditor CreatePreValueEditor()
+        {
+            return new NestedContentPreValueEditor();
+        }
+
+        internal class NestedContentPreValueEditor : PreValueEditor
+        {
+            internal const string ContentTypesPreValueKey = "contentTypes";
+
+            [PreValueField(ContentTypesPreValueKey, "Doc Types", "views/propertyeditors/nestedcontent/nestedcontent.doctypepicker.html", Description = "Select the doc types to use as the data blueprint.")]
+            public string[] ContentTypes { get; set; }
+
+            [PreValueField("minItems", "Min Items", "number", Description = "Set the minimum number of items allowed.")]
+            public string MinItems { get; set; }
+
+            [PreValueField("maxItems", "Max Items", "number", Description = "Set the maximum number of items allowed.")]
+            public string MaxItems { get; set; }
+
+            [PreValueField("confirmDeletes", "Confirm Deletes", "boolean", Description = "Set whether item deletions should require confirming.")]
+            public string ConfirmDeletes { get; set; }
+
+            [PreValueField("showIcons", "Show Icons", "boolean", Description = "Set whether to show the items doc type icon in the list.")]
+            public string ShowIcons { get; set; }
+
+            [PreValueField("hideLabel", "Hide Label", "boolean", Description = "Set whether to hide the editor label and have the list take up the full width of the editor window.")]
+            public string HideLabel { get; set; }
+
+            public override IDictionary<string, object> ConvertDbToEditor(IDictionary<string, object> defaultPreVals, PreValueCollection persistedPreVals)
+            {
+                // re-format old style (v0.1.1) pre values if necessary
+                NestedContentHelper.ConvertPreValueCollectionFromV011(persistedPreVals);
+
+                return base.ConvertDbToEditor(defaultPreVals, persistedPreVals);
+            }
+        }
+
+        #endregion
+
+        #region Value Editor
+
+        protected override PropertyValueEditor CreateValueEditor()
+        {
+            return new NestedContentPropertyValueEditor(base.CreateValueEditor());
+        }
+
+        internal class NestedContentPropertyValueEditor : PropertyValueEditorWrapper
+        {
+            public NestedContentPropertyValueEditor(PropertyValueEditor wrapped)
+                : base(wrapped)
+            {
+                Validators.Add(new NestedContentValidator());
+            }
+
+            internal ServiceContext Services
+            {
+                get { return ApplicationContext.Current.Services; }
+            }
+
+            public override void ConfigureForDisplay(PreValueCollection preValues)
+            {
+                base.ConfigureForDisplay(preValues);
+
+                var asDictionary = preValues.PreValuesAsDictionary.ToDictionary(x => x.Key, x => x.Value.Value);
+                if (asDictionary.ContainsKey("hideLabel"))
+                {
+                    var boolAttempt = asDictionary["hideLabel"].TryConvertTo<bool>();
+                    if (boolAttempt.Success)
+                    {
+                        HideLabel = boolAttempt.Result;
+                    }
+                }
+            }
+
+            #region DB to String
+
+            public override string ConvertDbToString(Property property, PropertyType propertyType, IDataTypeService dataTypeService)
+            {
+                // Convert / validate value
+                if (property.Value == null || string.IsNullOrWhiteSpace(property.Value.ToString()))
+                    return string.Empty;
+
+                var value = JsonConvert.DeserializeObject<List<object>>(property.Value.ToString());
+                if (value == null)
+                    return string.Empty;
+
+                // Process value
+                PreValueCollection preValues = null;
+                for (var i = 0; i < value.Count; i++)
+                {
+                    var o = value[i];
+                    var propValues = ((JObject)o);
+
+                    // convert from old style (v0.1.1) data format if necessary
+                    NestedContentHelper.ConvertItemValueFromV011(propValues, propertyType.DataTypeDefinitionId, ref preValues);
+
+                    var contentType = NestedContentHelper.GetContentTypeFromItem(propValues);
+                    if (contentType == null)
+                    {
+                        continue;
+                    }
+
+                    var propValueKeys = propValues.Properties().Select(x => x.Name).ToArray();
+
+                    foreach (var propKey in propValueKeys)
+                    {
+                        var propType = contentType.CompositionPropertyTypes.FirstOrDefault(x => x.Alias == propKey);
+                        if (propType == null)
+                        {
+                            if (IsSystemPropertyKey(propKey) == false)
+                            {
+                                // Property missing so just delete the value
+                                propValues[propKey] = null;
+                            }
+                        }
+                        else
+                        {
+                            try
+                            {
+                                // Create a fake property using the property abd stored value
+                                var prop = new Property(propType, propValues[propKey] == null ? null : propValues[propKey].ToString());
+
+                                // Lookup the property editor
+                                var propEditor = PropertyEditorResolver.Current.GetByAlias(propType.PropertyEditorAlias);
+
+                                // Get the editor to do it's conversion, and store it back
+                                propValues[propKey] = propEditor.ValueEditor.ConvertDbToString(prop, propType, dataTypeService);
+                            }
+                            catch (InvalidOperationException)
+                            {
+                                // https://github.com/umco/umbraco-nested-content/issues/111
+                                // Catch any invalid cast operations as likely means courier failed due to missing
+                                // or trashed item so couldn't convert a guid back to an int
+
+                                propValues[propKey] = null;
+                            }
+                        }
+
+                    }
+                }
+
+                // Update the value on the property
+                property.Value = JsonConvert.SerializeObject(value);
+
+                // Pass the call down
+                return base.ConvertDbToString(property, propertyType, dataTypeService);
+            }
+
+            #endregion
+
+            #region DB to Editor
+
+            public override object ConvertDbToEditor(Property property, PropertyType propertyType, IDataTypeService dataTypeService)
+            {
+                if (property.Value == null || string.IsNullOrWhiteSpace(property.Value.ToString()))
+                    return string.Empty;
+
+                var value = JsonConvert.DeserializeObject<List<object>>(property.Value.ToString());
+                if (value == null)
+                    return string.Empty;
+
+                // Process value
+                PreValueCollection preValues = null;
+                for (var i = 0; i < value.Count; i++)
+                {
+                    var o = value[i];
+                    var propValues = ((JObject)o);
+
+                    // convert from old style (v0.1.1) data format if necessary
+                    NestedContentHelper.ConvertItemValueFromV011(propValues, propertyType.DataTypeDefinitionId, ref preValues);
+
+                    var contentType = NestedContentHelper.GetContentTypeFromItem(propValues);
+                    if (contentType == null)
+                    {
+                        continue;
+                    }
+
+                    var propValueKeys = propValues.Properties().Select(x => x.Name).ToArray();
+
+                    foreach (var propKey in propValueKeys)
+                    {
+                        var propType = contentType.CompositionPropertyTypes.FirstOrDefault(x => x.Alias == propKey);
+                        if (propType == null)
+                        {
+                            if (IsSystemPropertyKey(propKey) == false)
+                            {
+                                // Property missing so just delete the value
+                                propValues[propKey] = null;
+                            }
+                        }
+                        else
+                        {
+                            try
+                            {
+                                // Create a fake property using the property and stored value
+                                var prop = new Property(propType, propValues[propKey] == null ? null : propValues[propKey].ToString());
+
+                                // Lookup the property editor
+                                var propEditor = PropertyEditorResolver.Current.GetByAlias(propType.PropertyEditorAlias);
+
+                                // Get the editor to do it's conversion
+                                var newValue = propEditor.ValueEditor.ConvertDbToEditor(prop, propType, dataTypeService);
+
+                                // Store the value back
+                                propValues[propKey] = (newValue == null) ? null : JToken.FromObject(newValue);
+                            }
+                            catch (InvalidOperationException)
+                            {
+                                // https://github.com/umco/umbraco-nested-content/issues/111
+                                // Catch any invalid cast operations as likely means courier failed due to missing
+                                // or trashed item so couldn't convert a guid back to an int
+
+                                propValues[propKey] = null;
+                            }
+                        }
+
+                    }
+                }
+
+                // Update the value on the property
+                property.Value = JsonConvert.SerializeObject(value);
+
+                // Pass the call down
+                return base.ConvertDbToEditor(property, propertyType, dataTypeService);
+            }
+
+            #endregion
+
+            #region Editor to DB
+
+            public override object ConvertEditorToDb(ContentPropertyData editorValue, object currentValue)
+            {
+                if (editorValue.Value == null || string.IsNullOrWhiteSpace(editorValue.Value.ToString()))
+                    return null;
+
+                var value = JsonConvert.DeserializeObject<List<object>>(editorValue.Value.ToString());
+                if (value == null)
+                    return null;
+
+                // Issue #38 - Keep recursive property lookups working
+                if (!value.Any())
+                    return null;
+
+                // Process value
+                for (var i = 0; i < value.Count; i++)
+                {
+                    var o = value[i];
+                    var propValues = ((JObject)o);
+
+                    var contentType = NestedContentHelper.GetContentTypeFromItem(propValues);
+                    if (contentType == null)
+                    {
+                        continue;
+                    }
+
+                    var propValueKeys = propValues.Properties().Select(x => x.Name).ToArray();
+
+                    foreach (var propKey in propValueKeys)
+                    {
+                        var propType = contentType.CompositionPropertyTypes.FirstOrDefault(x => x.Alias == propKey);
+                        if (propType == null)
+                        {
+                            if (IsSystemPropertyKey(propKey) == false)
+                            {
+                                // Property missing so just delete the value
+                                propValues[propKey] = null;
+                            }
+                        }
+                        else
+                        {
+                            // Fetch the property types prevalue
+                            var propPreValues = Services.DataTypeService.GetPreValuesCollectionByDataTypeId(
+                                propType.DataTypeDefinitionId);
+
+                            // Lookup the property editor
+                            var propEditor = PropertyEditorResolver.Current.GetByAlias(propType.PropertyEditorAlias);
+
+                            // Create a fake content property data object
+                            var contentPropData = new ContentPropertyData(
+                                propValues[propKey], propPreValues,
+                                new Dictionary<string, object>());
+
+                            // Get the property editor to do it's conversion
+                            var newValue = propEditor.ValueEditor.ConvertEditorToDb(contentPropData, propValues[propKey]);
+
+                            // Store the value back
+                            propValues[propKey] = (newValue == null) ? null : JToken.FromObject(newValue);
+                        }
+
+                    }
+                }
+
+                return JsonConvert.SerializeObject(value);
+            }
+
+            #endregion
+        }
+
+        internal class NestedContentValidator : IPropertyValidator
+        {
+            public IEnumerable<ValidationResult> Validate(object rawValue, PreValueCollection preValues, PropertyEditor editor)
+            {
+                var value = JsonConvert.DeserializeObject<List<object>>(rawValue.ToString());
+                if (value == null)
+                    yield break;
+
+                IDataTypeService dataTypeService = ApplicationContext.Current.Services.DataTypeService;
+                for (var i = 0; i < value.Count; i++)
+                {
+                    var o = value[i];
+                    var propValues = ((JObject)o);
+
+                    var contentType = NestedContentHelper.GetContentTypeFromItem(propValues);
+                    if (contentType == null)
+                    {
+                        continue;
+                    }
+
+                    var propValueKeys = propValues.Properties().Select(x => x.Name).ToArray();
+
+                    foreach (var propKey in propValueKeys)
+                    {
+                        var propType = contentType.CompositionPropertyTypes.FirstOrDefault(x => x.Alias == propKey);
+                        if (propType != null)
+                        {
+                            PreValueCollection propPrevalues = dataTypeService.GetPreValuesCollectionByDataTypeId(propType.DataTypeDefinitionId);
+                            PropertyEditor propertyEditor = PropertyEditorResolver.Current.GetByAlias(propType.PropertyEditorAlias);
+
+                            foreach (IPropertyValidator validator in propertyEditor.ValueEditor.Validators)
+                            {
+                                foreach (ValidationResult result in validator.Validate(propValues[propKey], propPrevalues, propertyEditor))
+                                {
+                                    result.ErrorMessage = "Item " + (i + 1) + " '" + propType.Name + "' " + result.ErrorMessage;
+                                    yield return result;
+                                }
+                            }
+
+                            // Check mandatory
+                            if (propType.Mandatory)
+                            {
+                                if (propValues[propKey] == null)
+                                    yield return new ValidationResult("Item " + (i + 1) + " '" + propType.Name + "' cannot be null", new[] { propKey });
+                                else if (propValues[propKey].ToString().IsNullOrWhiteSpace())
+                                    yield return new ValidationResult("Item " + (i + 1) + " '" + propType.Name + "' cannot be empty", new[] { propKey });
+                            }
+
+                            // Check regex
+                            if (!propType.ValidationRegExp.IsNullOrWhiteSpace()
+                                && propValues[propKey] != null && !propValues[propKey].ToString().IsNullOrWhiteSpace())
+                            {
+                                var regex = new Regex(propType.ValidationRegExp);
+                                if (!regex.IsMatch(propValues[propKey].ToString()))
+                                {
+                                    yield return new ValidationResult("Item " + (i + 1) + " '" + propType.Name + "' is invalid, it does not match the correct pattern", new[] { propKey });
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        #endregion
+
+        private static bool IsSystemPropertyKey(string propKey)
+        {
+            return propKey == "name" || propKey == "key" || propKey == ContentTypeAliasPropertyKey;
+        }
+    }
+}

src/Umbraco.Web/PropertyEditors/ValueConverters/NestedContentManyValueConverter.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using Umbraco.Core.Logging;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.PublishedContent;
+using Umbraco.Core.PropertyEditors;
+
+namespace Umbraco.Web.PropertyEditors.ValueConverters
+{
+    public class NestedContentManyValueConverter : PropertyValueConverterBase, IPropertyValueConverterMeta
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            return propertyType.IsNestedContentProperty() && !propertyType.IsSingleNestedContentProperty();
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            try
+            {
+                return propertyType.ConvertPropertyToNestedContent(source, preview);
+            }
+            catch (Exception e)
+            {
+                LogHelper.Error<NestedContentManyValueConverter>("Error converting value", e);
+            }
+
+            return null;
+        }
+
+        public virtual Type GetPropertyValueType(PublishedPropertyType propertyType)
+        {
+            return typeof(IEnumerable<IPublishedContent>);
+        }
+
+        public virtual PropertyCacheLevel GetPropertyCacheLevel(PublishedPropertyType propertyType, PropertyCacheValue cacheValue)
+        {
+            return PropertyCacheLevel.Content;
+        }
+    }
+}

src/Umbraco.Web/PropertyEditors/ValueConverters/NestedContentPublishedPropertyTypeExtensions.cs

@@ -0,0 +1,133 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Umbraco.Core;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.PublishedContent;
+using Umbraco.Web.Models;
+
+namespace Umbraco.Web.PropertyEditors.ValueConverters
+{
+    internal static class NestedContentPublishedPropertyTypeExtensions
+    {
+        public static bool IsNestedContentProperty(this PublishedPropertyType publishedProperty)
+        {
+            return publishedProperty.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.NestedContentAlias);
+        }
+
+        public static bool IsSingleNestedContentProperty(this PublishedPropertyType publishedProperty)
+        {
+            if (!publishedProperty.IsNestedContentProperty())
+            {
+                return false;
+            }
+
+            var preValueCollection = NestedContentHelper.GetPreValuesCollectionByDataTypeId(publishedProperty.DataTypeId);
+            var preValueDictionary = preValueCollection.PreValuesAsDictionary.ToDictionary(x => x.Key, x => x.Value.Value);
+
+            int minItems, maxItems;
+            return preValueDictionary.ContainsKey("minItems") &&
+                   int.TryParse(preValueDictionary["minItems"], out minItems) && minItems == 1
+                   && preValueDictionary.ContainsKey("maxItems") &&
+                   int.TryParse(preValueDictionary["maxItems"], out maxItems) && maxItems == 1;
+        }
+
+        public static object ConvertPropertyToNestedContent(this PublishedPropertyType propertyType, object source, bool preview)
+        {
+            using (DisposableTimer.DebugDuration<PublishedPropertyType>(string.Format("ConvertPropertyToNestedContent ({0})", propertyType.DataTypeId)))
+            {
+                if (source != null && !source.ToString().IsNullOrWhiteSpace())
+                {
+                    var rawValue = JsonConvert.DeserializeObject<List<object>>(source.ToString());
+                    var processedValue = new List<IPublishedContent>();
+
+                    var preValueCollection = NestedContentHelper.GetPreValuesCollectionByDataTypeId(propertyType.DataTypeId);
+                    var preValueDictionary = preValueCollection.PreValuesAsDictionary.ToDictionary(x => x.Key, x => x.Value.Value);
+
+                    for (var i = 0; i < rawValue.Count; i++)
+                    {
+                        var item = (JObject)rawValue[i];
+
+                        // Convert from old style (v.0.1.1) data format if necessary
+                        // - Please note: This call has virtually no impact on rendering performance for new style (>v0.1.1).
+                        //                Even so, this should be removed eventually, when it's safe to assume that there is
+                        //                no longer any need for conversion.
+                        NestedContentHelper.ConvertItemValueFromV011(item, propertyType.DataTypeId, ref preValueCollection);
+
+                        var contentTypeAlias = NestedContentHelper.GetContentTypeAliasFromItem(item);
+                        if (string.IsNullOrEmpty(contentTypeAlias))
+                        {
+                            continue;
+                        }
+
+                        var publishedContentType = PublishedContentType.Get(PublishedItemType.Content, contentTypeAlias);
+                        if (publishedContentType == null)
+                        {
+                            continue;
+                        }
+
+                        var propValues = item.ToObject<Dictionary<string, object>>();
+                        var properties = new List<IPublishedProperty>();
+
+                        foreach (var jProp in propValues)
+                        {
+                            var propType = publishedContentType.GetPropertyType(jProp.Key);
+                            if (propType != null)
+                            {
+                                properties.Add(new DetachedPublishedProperty(propType, jProp.Value, preview));
+                            }
+                        }
+
+                        // Parse out the name manually
+                        object nameObj = null;
+                        if (propValues.TryGetValue("name", out nameObj))
+                        {
+                            // Do nothing, we just want to parse out the name if we can
+                        }
+
+                        object keyObj;
+                        var key = Guid.Empty;
+                        if (propValues.TryGetValue("key", out keyObj))
+                        {
+                            key = Guid.Parse(keyObj.ToString());
+                        }
+
+                        // Get the current request node we are embedded in
+                        var pcr = UmbracoContext.Current == null ? null : UmbracoContext.Current.PublishedContentRequest;
+                        var containerNode = pcr != null && pcr.HasPublishedContent ? pcr.PublishedContent : null;
+
+                        // Create the model based on our implementation of IPublishedContent
+                        IPublishedContent content = new DetachedPublishedContent(
+                            key,
+                            nameObj == null ? null : nameObj.ToString(),
+                            publishedContentType,
+                            properties.ToArray(),
+                            containerNode,
+                            i,
+                            preview);
+
+                        if (PublishedContentModelFactoryResolver.HasCurrent)
+                        {
+                            // Let the current model factory create a typed model to wrap our model
+                            content = PublishedContentModelFactoryResolver.Current.Factory.CreateModel(content);
+                        }
+
+                        // Add the (typed) model as a result
+                        processedValue.Add(content);
+                    }
+
+                    if (propertyType.IsSingleNestedContentProperty())
+                    {
+                        return processedValue.FirstOrDefault();
+                    }
+
+                    return processedValue;
+                }
+            }
+
+            return null;
+        }
+    }
+}

src/Umbraco.Web/PropertyEditors/ValueConverters/NestedContentSingleValueConverter.cs

@@ -0,0 +1,40 @@
+using System;
+using Umbraco.Core.Logging;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.PublishedContent;
+using Umbraco.Core.PropertyEditors;
+
+namespace Umbraco.Web.PropertyEditors.ValueConverters
+{
+    public class NestedContentSingleValueConverter : PropertyValueConverterBase, IPropertyValueConverterMeta
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            return propertyType.IsSingleNestedContentProperty();
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            try
+            {
+                return propertyType.ConvertPropertyToNestedContent(source, preview);
+            }
+            catch (Exception e)
+            {
+                LogHelper.Error<NestedContentSingleValueConverter>("Error converting value", e);
+            }
+
+            return null;
+        }
+
+        public virtual Type GetPropertyValueType(PublishedPropertyType propertyType)
+        {
+            return typeof(IPublishedContent);
+        }
+
+        public virtual PropertyCacheLevel GetPropertyCacheLevel(PublishedPropertyType propertyType, PropertyCacheValue cacheValue)
+        {
+            return PropertyCacheLevel.Content;
+        }
+    }
+}

src/Umbraco.Web/PublishedContentExtensions.cs

@@ -24,6 +24,12 @@ namespace Umbraco.Web
 
         public static Guid GetKey(this IPublishedContent content)
         {
+            var wrapped = content as PublishedContentWrapped;
+            while (wrapped != null)
+            {
+                content = wrapped.Unwrap();
+                wrapped = content as PublishedContentWrapped;
+            }
             var contentWithKey = content as IPublishedContentWithKey;
             return contentWithKey == null ? Guid.Empty : contentWithKey.Key;
         }

src/Umbraco.Web/Umbraco.Web.csproj

@@ -304,7 +304,30 @@
     <Compile Include="ApplicationContextExtensions.cs" />
     <Compile Include="AreaRegistrationContextExtensions.cs" />
     <Compile Include="BatchedDatabaseServerMessengerStartup.cs" />
+    <Compile Include="Cache\ApplicationCacheRefresher.cs" />
+    <Compile Include="Cache\ApplicationTreeCacheRefresher.cs" />
+    <Compile Include="Cache\CacheRefresherEventHandler.cs" />
+    <Compile Include="Cache\ContentTypeCacheRefresher.cs" />
+    <Compile Include="Cache\DataTypeCacheRefresher.cs" />
+    <Compile Include="Cache\DictionaryCacheRefresher.cs" />
+    <Compile Include="Cache\DistributedCache.cs" />
+    <Compile Include="Cache\DistributedCacheExtensions.cs" />
+    <Compile Include="Cache\DomainCacheRefresher.cs" />
+    <Compile Include="Cache\LanguageCacheRefresher.cs" />
+    <Compile Include="Cache\MacroCacheRefresher.cs" />
+    <Compile Include="Cache\MediaCacheRefresher.cs" />
+    <Compile Include="Cache\MemberCacheRefresher.cs" />
+    <Compile Include="Cache\MemberGroupCacheRefresher.cs" />
+    <Compile Include="Cache\PageCacheRefresher.cs" />
+    <Compile Include="Cache\PublicAccessCacheRefresher.cs" />
     <Compile Include="Cache\RelationTypeCacheRefresher.cs" />
+    <Compile Include="Cache\StylesheetCacheRefresher.cs" />
+    <Compile Include="Cache\StylesheetPropertyCacheRefresher.cs" />
+    <Compile Include="Cache\TemplateCacheRefresher.cs" />
+    <Compile Include="Cache\UnpublishedPageCacheRefresher.cs" />
+    <Compile Include="Cache\UserCacheRefresher.cs" />
+    <Compile Include="Cache\UserPermissionsCacheRefresher.cs" />
+    <Compile Include="Cache\UserTypeCacheRefresher.cs" />
     <Compile Include="Editors\BackOfficeNotificationsController.cs" />
     <Compile Include="Editors\EditorValidationResolver.cs" />
     <Compile Include="Editors\EditorValidator.cs" />
@@ -366,6 +389,8 @@
     <Compile Include="Models\ContentEditing\SimpleNotificationModel.cs" />
     <Compile Include="Models\ContentEditing\SnippetDisplay.cs" />
     <Compile Include="Models\ContentEditing\TemplateDisplay.cs" />
+    <Compile Include="Models\DetachedPublishedContent.cs" />
+    <Compile Include="Models\DetachedPublishedProperty.cs" />
     <Compile Include="Models\LocalPackageInstallModel.cs" />
     <Compile Include="Models\Mapping\CodeFileDisplayMapper.cs" />
     <Compile Include="Models\Mapping\ContentTypeModelMapperExtensions.cs" />
@@ -402,6 +427,9 @@
     <Compile Include="PropertyEditors\MediaPicker2PropertyEditor.cs" />
     <Compile Include="PropertyEditors\MemberPicker2PropertyEditor.cs" />
     <Compile Include="PropertyEditors\MultiNodeTreePicker2PropertyEditor.cs" />
+    <Compile Include="PropertyEditors\NestedContentController.cs" />
+    <Compile Include="PropertyEditors\NestedContentHelper.cs" />
+    <Compile Include="PropertyEditors\NestedContentPropertyEditor.cs" />
     <Compile Include="PropertyEditors\RelatedLinks2PropertyEditor.cs" />
     <Compile Include="PropertyEditors\ValueConverters\ContentPickerPropertyConverter.cs" />
     <Compile Include="PropertyEditors\ParameterEditors\MultipleContentPickerParameterEditor.cs" />
@@ -412,6 +440,9 @@
     <Compile Include="PropertyEditors\ValueConverters\MemberPickerPropertyConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\MultiNodeTreePickerPropertyConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\MultipleMediaPickerPropertyConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\NestedContentSingleValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\NestedContentManyValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\NestedContentPublishedPropertyTypeExtensions.cs" />
     <Compile Include="PublishedContentQueryExtensions.cs" />
     <Compile Include="Routing\RedirectTrackingEventHandler.cs" />
     <Compile Include="Editors\RedirectUrlManagementController.cs" />
@@ -470,29 +501,6 @@
     <Compile Include="BatchedDatabaseServerMessenger.cs" />
     <Compile Include="BatchedWebServiceServerMessenger.cs" />
     <Compile Include="CacheHelperExtensions.cs" />
-    <Compile Include="Cache\ApplicationCacheRefresher.cs" />
-    <Compile Include="Cache\ApplicationTreeCacheRefresher.cs" />
-    <Compile Include="Cache\ContentTypeCacheRefresher.cs" />
-    <Compile Include="Cache\DataTypeCacheRefresher.cs" />
-    <Compile Include="Cache\DictionaryCacheRefresher.cs" />
-    <Compile Include="Cache\DistributedCache.cs" />
-    <Compile Include="Cache\DistributedCacheExtensions.cs" />
-    <Compile Include="Cache\CacheRefresherEventHandler.cs" />
-    <Compile Include="Cache\DomainCacheRefresher.cs" />
-    <Compile Include="Cache\LanguageCacheRefresher.cs" />
-    <Compile Include="Cache\MacroCacheRefresher.cs" />
-    <Compile Include="Cache\MediaCacheRefresher.cs" />
-    <Compile Include="Cache\MemberCacheRefresher.cs" />
-    <Compile Include="Cache\MemberGroupCacheRefresher.cs" />
-    <Compile Include="Cache\PageCacheRefresher.cs" />
-    <Compile Include="Cache\PublicAccessCacheRefresher.cs" />
-    <Compile Include="Cache\StylesheetCacheRefresher.cs" />
-    <Compile Include="Cache\StylesheetPropertyCacheRefresher.cs" />
-    <Compile Include="Cache\TemplateCacheRefresher.cs" />
-    <Compile Include="Cache\UnpublishedPageCacheRefresher.cs" />
-    <Compile Include="Cache\UserCacheRefresher.cs" />
-    <Compile Include="Cache\UserPermissionsCacheRefresher.cs" />
-    <Compile Include="Cache\UserTypeCacheRefresher.cs" />
     <Compile Include="Editors\AuthenticationController.cs" />
     <Compile Include="Controllers\UmbProfileController.cs" />
     <Compile Include="Editors\ContentController.cs" />