Completed a backwards compatible radio button list property editor - re-uses all of the other already created list type editors.

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

@@ -0,0 +1,12 @@
+<div>
+    <ul class="unstyled">
+        <li ng-repeat="(key, val) in model.config.items">
+            <label class="radio">
+                <input type="radio" name="checkboxlist"
+                       value="{{key}}"
+                       ng-model="model.value" />
+                {{val}}
+            </label>
+        </li>
+    </ul>    
+</div>

src/Umbraco.Web/PropertyEditors/DropDownPropertyEditor.cs

@@ -29,4 +29,18 @@ namespace Umbraco.Web.PropertyEditors
         }
 
     }
+
+    /// <summary>
+    /// A property editor to allow the individual selection of pre-defined items.
+    /// </summary>
+    /// <remarks>
+    /// Due to remaining backwards compatible, this stores the id of the item in the database which is why it is marked
+    /// as INT and we have logic in here to ensure it is formatted correctly including ensuring that the INT ID value is published
+    /// in cache and not the string value.
+    /// </remarks>
+    [PropertyEditor(Constants.PropertyEditors.RadioButtonList, "Radio button list", "radiobuttons", ValueType = "INT")]
+    public class RadioButtonsPropertyEditor : DropDownWithKeysPropertyEditor
+    {
+
+    }
 }