Fix: ColorTheme in standalone app is not applied on the fly.

Author: tom-englert

src/ResXManager/Configuration.cs

@@ -1,5 +1,6 @@
 namespace ResXManager
 {
+    using System;
     using System.Collections.ObjectModel;
     using System.ComponentModel;
     using System.Composition;
@@ -10,26 +11,14 @@
 
     using ResXManager.Infrastructure;
     using ResXManager.Model;
-    using ResXManager.Properties;
 
     using TomsToolbox.Essentials;
     using TomsToolbox.Wpf;
 
-    public enum ColorTheme
-    {
-        [LocalizedDisplayName(StringResourceKey.ColorTheme_System)]
-        System,
-
-        [LocalizedDisplayName(StringResourceKey.ColorTheme_Light)]
-        Light,
-
-        [LocalizedDisplayName(StringResourceKey.ColorTheme_Dark)]
-        Dark
-    }
-
     [Export(typeof(IConfiguration))]
+    [Export(typeof(IStandaloneConfiguration))]
     [Shared]
-    public class StandaloneConfiguration : Configuration
+    internal class StandaloneConfiguration : Configuration, IStandaloneConfiguration
     {
         private readonly Collection<ResourceDictionary> _colorThemeResourceContainer;
 
@@ -66,6 +55,8 @@ private void OnColorThemeChanged()
                 case ColorTheme.Dark:
                     _colorThemeResourceContainer.Add(new ResourceDictionary { Source = GetType().Assembly.GeneratePackUri("Themes/DarkTheme.xaml") });
                     break;
+                default:
+                    throw new ArgumentOutOfRangeException();
             }
         }
     }

src/ResXManager/IStandaloneConfiguration.cs

@@ -0,0 +1,21 @@
+namespace ResXManager
+{
+    using ResXManager.Properties;
+
+    public enum ColorTheme
+    {
+        [LocalizedDisplayName(StringResourceKey.ColorTheme_System)]
+        System,
+
+        [LocalizedDisplayName(StringResourceKey.ColorTheme_Light)]
+        Light,
+
+        [LocalizedDisplayName(StringResourceKey.ColorTheme_Dark)]
+        Dark
+    }
+
+    public interface IStandaloneConfiguration
+    {
+        ColorTheme ColorTheme { get; set; }
+    }
+}

src/ResXManager/ResXManager.csproj

@@ -89,6 +89,7 @@
       <SubType>Designer</SubType>
     </ApplicationDefinition>
     <Compile Include="Configuration.cs" />
+    <Compile Include="IStandaloneConfiguration.cs" />
     <Compile Include="MainView.xaml.cs">
       <DependentUpon>MainView.xaml</DependentUpon>
     </Compile>

src/ResXManager/ThemeConfigurationViewModel.cs

@@ -13,11 +13,11 @@
     [Shared]
     internal class ColorThemeConfigurationViewModel : ObservableObject
     {
-        public ColorThemeConfigurationViewModel(StandaloneConfiguration configuration)
+        public ColorThemeConfigurationViewModel(IStandaloneConfiguration configuration)
         {
             Configuration = configuration;
         }
 
-        public StandaloneConfiguration Configuration { get; }
+        public IStandaloneConfiguration Configuration { get; }
     }
 }