Enable code generation for embedded resources

Author: sharwell

StyleCop.Analyzers/Directory.Build.targets

@@ -1,9 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
 
+  <ItemGroup>
+    <!-- Enable code generation for resource files -->
+    <CodeGenerationEmbeddedResource Include="@(EmbeddedResource)" Exclude="**\*.??-??.resx" />
+    <EmbeddedResource Update="@(CodeGenerationEmbeddedResource)" Generator="ResXFileCodeGenerator" />
+  </ItemGroup>
+
   <!-- Special handling for embedded resources and generated files to show as nested in Solution Explorer -->
   <ItemGroup>
-    <Compile Update="**\*.Designer.cs" DependentUpon="$([System.IO.Path]::ChangeExtension($([System.IO.Path]::GetFileNameWithoutExtension(%(Identity))), '.resx'))" />
+    <!-- Start by removing designer files. Keep track of all the removed ones though. -->
+    <RemovedDesignerFiles Include="@(Compile)" />
+    <Compile Remove="**\*.Designer.cs" />
+
+    <!-- Add back designer files for *.resx files -->
+    <Compile Include="@(CodeGenerationEmbeddedResource->'%(RecursiveDir)%(Filename).Designer.cs')" DependentUpon="$([System.IO.Path]::ChangeExtension($([System.IO.Path]::GetFileNameWithoutExtension(%(Identity))), '.resx'))" />
+
+    <!-- Add back any designer files not already added. These aren't dependent on anything. -->
+    <RemovedDesignerFiles Remove="@(Compile)" />
+    <Compile Include="@(RemovedDesignerFiles)" />
+
+    <!-- Localized embedded resources are just dependent on the parent RESX -->
     <EmbeddedResource Update="**\*.??-??.resx" DependentUpon="$([System.IO.Path]::ChangeExtension($([System.IO.Path]::GetFileNameWithoutExtension(%(Identity))), '.resx'))" />
   </ItemGroup>