Fixing that EnumerationFieldDriver and the EnumerationField editor template should read SelectedValues instead of Values directly

Author: BenedekFarkas

src/Orchard.Web/Modules/Orchard.Fields/Drivers/EnumerationFieldDriver.cs

@@ -33,7 +33,7 @@ protected override DriverResult Editor(ContentPart part, EnumerationField field,
                 if (part.IsNew() && string.IsNullOrEmpty(field.Value)) {
                     var settings = field.PartFieldDefinition.Settings.GetModel<EnumerationFieldSettings>();
                     if (!string.IsNullOrWhiteSpace(settings.DefaultValue)) {
-                        field.Value = settings.DefaultValue;
+                        field.SelectedValues = new string[] { settings.DefaultValue };
                     }
                 }
 

src/Orchard.Web/Modules/Orchard.Fields/Views/EditorTemplates/Fields/Enumeration.Edit.cshtml

@@ -11,16 +11,16 @@
     <label for="@Html.FieldIdFor(m => m.Value)" @if (settings.Required) { <text> class="required" </text> }>@Model.DisplayName</label>
     @switch (settings.ListMode) {
         case ListMode.Dropdown:
-            @Html.DropDownListFor(m => m.Value, new SelectList(options, Model.Value), settings.Required ? new { required = "required" } : null)
+            @Html.DropDownListFor(m => m.Value, new SelectList(options, Model.SelectedValues.FirstOrDefault()), settings.Required ? new { required = "required" } : null)
             break;
 
         case ListMode.Radiobutton:
             foreach (var option in options) {
                 if (string.IsNullOrWhiteSpace(option)) {
-                    <label>@Html.RadioButton("Value", "", string.IsNullOrWhiteSpace(Model.Value), settings.Required ? new { required = "required" } : null)<i>@T("unset")</i></label>
+                    <label>@Html.RadioButton("Value", "", string.IsNullOrWhiteSpace(Model.SelectedValues.FirstOrDefault()), settings.Required ? new { required = "required" } : null)<i>@T("unset")</i></label>
                 }
                 else {
-                    <label>@Html.RadioButton("Value", option, (option == Model.Value), settings.Required ? new { required = "required" } : null)@option</label>
+                    <label>@Html.RadioButton("Value", option, (option == Model.SelectedValues.FirstOrDefault()), settings.Required ? new { required = "required" } : null)@option</label>
                 }
             }
             break;