Allows the date + time picker to specify a format in the pre-values.

src/Umbraco.Web/PropertyEditors/DatePreValueEditor.cs

@@ -0,0 +1,10 @@
+using Umbraco.Core.PropertyEditors;
+
+namespace Umbraco.Web.PropertyEditors
+{
+    internal class DatePreValueEditor : PreValueEditor
+    {
+        [PreValueField("format", "Date format", "textstring", Description = "If left empty then the format is YYYY-MM-DD. (see momentjs.com for supported formats)")]
+        public string DefaultValue { get; set; }
+    }
+}

src/Umbraco.Web/PropertyEditors/DatePropertyEditor.cs

@@ -62,11 +62,5 @@ namespace Umbraco.Web.PropertyEditors
         {
             return new DatePreValueEditor();
         }
-
-        internal class DatePreValueEditor : PreValueEditor
-        {
-            [PreValueField("format", "Date format", "textstring", Description = "If left empty then the format is YYYY-MM-DD. (see momentjs.com for supported formats)")]
-            public string DefaultValue { get; set; }
-        }
     }
 }

src/Umbraco.Web/PropertyEditors/DateTimePropertyEditor.cs

@@ -21,7 +21,7 @@ namespace Umbraco.Web.PropertyEditors
         private IDictionary<string, object> _defaultPreVals;
 
         /// <summary>
-        /// Overridden because we ONLY support Date + Time format and we don't have pre-values in the db.
+        /// Overridden because we ONLY support Date + Time format
         /// </summary>
         public override IDictionary<string, object> DefaultPreValues
         {
@@ -37,5 +37,10 @@ namespace Umbraco.Web.PropertyEditors
 
             return editor;
         }
+
+        protected override PreValueEditor CreatePreValueEditor()
+        {
+            return new DatePreValueEditor();
+        }
     }
 }

src/Umbraco.Web/Umbraco.Web.csproj

@@ -298,6 +298,7 @@
     <Compile Include="ApplicationContextExtensions.cs" />
     <Compile Include="AreaRegistrationContextExtensions.cs" />
     <Compile Include="HtmlHelperBackOfficeExtensions.cs" />
+    <Compile Include="PropertyEditors\DatePreValueEditor.cs" />
     <Compile Include="UmbracoDefaultOwinStartup.cs" />
     <Compile Include="IUmbracoContextAccessor.cs" />
     <Compile Include="Models\ContentEditing\Relation.cs" />