From bc61054931eb792667fbe4c1dc0ecbab2ebb7fad Mon Sep 17 00:00:00 2001
From: James Coxhead <me@jamescoxhead.co.uk>
Date: Tue, 1 Nov 2016 23:46:32 +0000
Subject: [PATCH] Added dropdown list value converter

---
 .../DropdownListValueConverter.cs             | 29 +++++++++++++++++++
 src/Umbraco.Core/Umbraco.Core.csproj          |  1 +
 2 files changed, 30 insertions(+)
 create mode 100644 src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListValueConverter.cs

diff --git a/src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListValueConverter.cs b/src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListValueConverter.cs
new file mode 100644
index 0000000000..d22466d6d7
--- /dev/null
+++ b/src/Umbraco.Core/PropertyEditors/ValueConverters/DropdownListValueConverter.cs
@@ -0,0 +1,29 @@
+using System;
+using Umbraco.Core.Models.PublishedContent;
+
+namespace Umbraco.Core.PropertyEditors.ValueConverters
+{
+    public class DropdownListValueConverter : PropertyValueConverterBase, IPropertyValueConverterMeta
+    {
+        public override bool IsConverter(PublishedPropertyType propertyType)
+        {
+            return propertyType.PropertyEditorAlias.InvariantEquals(Constants.PropertyEditors.DropDownListAlias);
+        }
+
+        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
+        {
+            return source == null ? string.Empty : source.ToString();
+        }
+
+        public Type GetPropertyValueType(PublishedPropertyType propertyType)
+        {
+            return typeof(string);
+        }
+
+        public PropertyCacheLevel GetPropertyCacheLevel(PublishedPropertyType propertyType,
+                                                        PropertyCacheValue cacheValue)
+        {
+            return PropertyCacheLevel.Content;
+        }
+    }
+}
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index c1e9b44cc9..2b481c137c 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -500,6 +500,7 @@
     <Compile Include="PropertyEditors\ValueConverters\CheckboxListValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\DropdownListMultipleValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\DropdownListMultipleWithKeysValueConverter.cs" />
+    <Compile Include="PropertyEditors\ValueConverters\DropdownListValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\EmailAddressValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\GridValueConverter.cs" />
     <Compile Include="PropertyEditors\ValueConverters\DecimalValueConverter.cs" />