Writer: Support language settings via command line

Author: jbe2277

src/System.Waf/Directory.Packages.props

@@ -16,6 +16,8 @@
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.SQLite" Version="8.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.1" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.CommandLine" Version="8.0.0" />
     <PackageVersion Include="NLog" Version="5.2.6" />
 
     <!-- Unit tests -->

src/System.Waf/Samples/Writer/Writer.Applications.Test/Controllers/ModuleControllerTest.cs

@@ -114,7 +114,6 @@ public void SettingsTest()
     {
         var settingsService = Get<MockSettingsService>();
         var settings = settingsService.Get<AppSettings>();
-        settings.Culture = "de-DE";
         settings.UICulture = "de-AT";
 
         var controller = Get<ModuleController>();

src/System.Waf/Samples/Writer/Writer.Applications/Properties/AppSettings.cs

@@ -17,8 +17,6 @@ public sealed class AppSettings : UserSettingsBase
 
     [DataMember] public bool IsMaximized { get; set; }
 
-    [DataMember] public string? Culture { get; set; }
-
     [DataMember] public string? UICulture { get; set; }
 
     [DataMember] public RecentFileList? RecentFileList { get; set; }

src/System.Waf/Samples/Writer/Writer.Presentation/App.xaml.cs

@@ -12,6 +12,8 @@
 using System.Windows.Threading;
 using Waf.Writer.Applications.Properties;
 using Waf.Writer.Applications.ViewModels;
+using Microsoft.Extensions.Configuration;
+using Waf.Writer.Presentation.Properties;
 
 namespace Waf.Writer.Presentation;
 
@@ -33,6 +35,18 @@ protected override void OnStartup(StartupEventArgs e)
         DispatcherUnhandledException += AppDispatcherUnhandledException;
         AppDomain.CurrentDomain.UnhandledException += AppDomainUnhandledException;
 #endif
+        AppConfig appConfig;
+        try
+        {
+            var config = new ConfigurationBuilder().AddCommandLine(Environment.GetCommandLineArgs()).Build();
+            appConfig = config.Get<AppConfig>() ?? new AppConfig();
+        }
+        catch (Exception ex)
+        {
+            Log.Default.Error(ex, "Command line parsing error");
+            appConfig = new AppConfig();
+        }
+
         catalog = new();
         catalog.Catalogs.Add(new AssemblyCatalog(typeof(IMessageService).Assembly));  // WinApplicationFramework
         catalog.Catalogs.Add(new AssemblyCatalog(Assembly.GetExecutingAssembly()));   // Writer.Presentation
@@ -44,7 +58,7 @@ protected override void OnStartup(StartupEventArgs e)
 
         var settingsService = container.GetExportedValue<ISettingsService>();
         settingsService.ErrorOccurred += (_, e) => Log.Default.Error(e.Error, "Error in SettingsService");
-        InitializeCultures(settingsService.Get<AppSettings>());
+        InitializeCultures(appConfig, settingsService.Get<AppSettings>());
         FrameworkElement.LanguageProperty.OverrideMetadata(typeof(FrameworkElement), new FrameworkPropertyMetadata(XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));
 
         moduleControllers = container.GetExportedValues<IModuleController>();
@@ -61,10 +75,19 @@ protected override void OnExit(ExitEventArgs e)
         base.OnExit(e);
     }
 
-    private static void InitializeCultures(AppSettings settings)
+    private static void InitializeCultures(AppConfig appConfig, AppSettings settings)
     {
-        if (!string.IsNullOrEmpty(settings.Culture)) CultureInfo.CurrentCulture = CultureInfo.DefaultThreadCurrentCulture = new CultureInfo(settings.Culture);
-        if (!string.IsNullOrEmpty(settings.UICulture)) CultureInfo.CurrentUICulture = CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo(settings.UICulture);
+        try
+        {
+            if (!string.IsNullOrEmpty(appConfig.Culture)) Thread.CurrentThread.CurrentCulture = CultureInfo.DefaultThreadCurrentCulture = new CultureInfo(appConfig.Culture);
+
+            var uiCulture = !string.IsNullOrEmpty(appConfig.UICulture) ? appConfig.UICulture : settings.UICulture;
+            if (!string.IsNullOrEmpty(uiCulture)) Thread.CurrentThread.CurrentUICulture = CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo(uiCulture);
+        }
+        catch (Exception ex)
+        {
+            Log.Default.Error(ex, "The specified culture code is invalid");
+        }
     }
 
     private void AppDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e) => HandleException(e.Exception, false);

src/System.Waf/Samples/Writer/Writer.Presentation/Properties/AppConfig.cs

@@ -0,0 +1,8 @@
+namespace Waf.Writer.Presentation.Properties;
+
+public class AppConfig
+{
+    public string? Culture { get; init; }
+
+    public string? UICulture { get; init; }
+}

src/System.Waf/Samples/Writer/Writer.Presentation/Services/SystemService.cs

@@ -7,7 +7,7 @@ namespace Waf.Writer.Presentation.Services;
 [Export(typeof(ISystemService))]
 internal sealed class SystemService : ISystemService
 {
-    private readonly Lazy<string?> documentFileName = new(() => Environment.GetCommandLineArgs().ElementAtOrDefault(1));
+    private readonly Lazy<string?> documentFileName = new(() => Environment.GetCommandLineArgs().Skip(1).FirstOrDefault(x => !x.StartsWith('-')));
 
     public string? DocumentFileName => documentFileName.Value;
 

src/System.Waf/Samples/Writer/Writer.Presentation/Writer.Presentation.csproj

@@ -9,6 +9,11 @@
     <OutputPath>..\..\..\..\..\out\Writer\$(Configuration)\</OutputPath>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" />
+  </ItemGroup>
+  
   <ItemGroup>
     <ProjectReference Include="..\Writer.Applications\Writer.Applications.csproj" />
   </ItemGroup>