New approach for design data

src/Vocup.WinForms/Forms/AboutBox.cs

@@ -15,7 +15,7 @@ public AboutBox()
         Icon = Icon.FromHandle(Icons.Info.GetHicon());
         AvaloniaControlHost.Content = new AboutView
         {
-            DataContext = new AboutViewModel(AppInfo.Version, AppInfo.GetDeployment(), AppInfo.CopyrightInfo)
+            DataContext = new AboutViewModel(AppInfo.GetDeployment())
         };
     }
 }

src/Vocup/App.axaml.cs

@@ -32,7 +32,7 @@ public override void OnFrameworkInitializationCompleted()
         {
             singleViewPlatform.MainView = new MainView
             {
-                DataContext = new MainViewModel()
+                DataContext = new MainViewModel(null)
             };
         }
 

src/Vocup/ViewModels/AboutViewModel.cs

@@ -1,20 +1,23 @@
 using System;
+using System.Reflection;
 using System.Runtime.InteropServices;
 
 namespace Vocup.ViewModels;
 
 public class AboutViewModel : ViewModelBase
 {
-    public AboutViewModel() 
-        : this(new Version(), "Development", "Copyright © 2011 Florian Amstutz, © 2018-present Daniel Lerch.") { }
+    protected const string DefaultCopyright = "Copyright © 2011 Florian Amstutz, © 2018-present Daniel Lerch.";
+    protected const string DefaultAppVersion = "0.0.0";
 
-    public AboutViewModel(Version appVersion, string deployment, string copyright)
+    public AboutViewModel(string deployment)
     {
         string prefix = Lang.Resources.AboutView_Version;
         string architecture = RuntimeInformation.ProcessArchitecture.ToString().ToLowerInvariant();
-        Version = $"{prefix} {appVersion} ({architecture}, {deployment})";
 
-        Copyright = copyright;
+        Version = $"{prefix} {AppVersion} ({architecture}, {deployment})";
+
+        Copyright = Assembly.GetEntryAssembly()?.GetCustomAttribute<AssemblyCopyrightAttribute>()?.Copyright
+            ?? DefaultCopyright;
 
         if (OperatingSystem.IsWindowsVersionAtLeast(10, 0, 10240))
             MicrosoftStoreLink = "ms-windows-store://pdp/?productid=9N6W2H3QJQMM";
@@ -23,7 +26,23 @@ public AboutViewModel(Version appVersion, string deployment, string copyright)
     }
 
     public string Version { get; }
-    public string Copyright { get; }
+    public virtual string Copyright { get; }
     public string MicrosoftStoreLink { get; }
     public LicensesViewModel Licenses { get; } = new();
+
+    protected virtual string AppVersion => Assembly.GetEntryAssembly()?
+        .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
+        .InformationalVersion?
+        .Split('+')[0]
+        ?? DefaultAppVersion;
+}
+
+public class DesignAboutViewModel : AboutViewModel
+{
+    public DesignAboutViewModel() : base("Design Mode")
+    {
+    }
+
+    public override string Copyright => DefaultCopyright;
+    protected override string AppVersion => DefaultAppVersion;
 }

src/Vocup/ViewModels/HostWindowViewModel.cs

@@ -45,7 +45,7 @@ public async void Initialize()
         services.AddSingleton(settingsContext.Value);
         configureServices(serviceProvider, services);
 
-        MainView = new MainViewModel();
+        MainView = new MainViewModel(settingsContext.Value);
         Settings = settingsContext.Value;
     }
 }

src/Vocup/ViewModels/MainViewModel.cs

@@ -4,17 +4,22 @@ namespace Vocup.ViewModels;
 
 public class MainViewModel : ViewModelBase
 {
-    private readonly VocupSettings? settings;
-
-    public MainViewModel()
+    public MainViewModel(VocupSettings settings)
     {
+        About = new("Development");
+        RecentFiles = new(settings.RecentFiles);
     }
 
-    public MainViewModel(VocupSettings settings)
+    public virtual AboutViewModel About { get; }
+    public virtual RecentFilesViewModel RecentFiles { get; }
+}
+
+public class DesignMainViewModel : MainViewModel
+{
+    public DesignMainViewModel() : base(new VocupSettings())
     {
-        this.settings = settings;
     }
 
-    public AboutViewModel About { get; } = new();
-    public RecentFilesViewModel RecentFiles => new(settings?.RecentFiles ?? []);
+    public override AboutViewModel About { get; } = new DesignAboutViewModel();
+    public override RecentFilesViewModel RecentFiles { get; } = new DesignRecentFilesViewModel();
 }

src/Vocup/ViewModels/RecentFilesViewModel.cs

@@ -1,19 +1,24 @@
-using System.Collections.ObjectModel;
+using System;
+using System.Collections.ObjectModel;
 using Vocup.Settings.Model;
 
 namespace Vocup.ViewModels;
 
 public class RecentFilesViewModel
 {
-    public RecentFilesViewModel()
-    {
-        Files = [];
-    }
-
     public RecentFilesViewModel(ObservableCollection<RecentFile> files)
     {
         Files = files;
     }
 
     public ObservableCollection<RecentFile> Files { get; }
 }
+
+public class DesignRecentFilesViewModel : RecentFilesViewModel
+{
+    public DesignRecentFilesViewModel() : base(
+        [
+            new("C:\\Users\\maxmu\\Documents\\Englisch - Deutsch.vhf", DateTime.Now, DateTime.Now),
+        ])
+    { }
+}

src/Vocup/Views/AboutView.axaml

@@ -9,7 +9,7 @@
              x:Class="Vocup.Views.AboutView"
              x:DataType="vm:AboutViewModel">
   <Design.DataContext>
-    <vm:AboutViewModel />
+    <vm:DesignAboutViewModel />
   </Design.DataContext>
 
   <UserControl.Styles>

src/Vocup/Views/MainView.axaml

@@ -8,7 +8,7 @@
              x:Class="Vocup.Views.MainView"
              x:DataType="vm:MainViewModel">
   <Design.DataContext>
-    <!-- This only sets the DataContext for the previewer in an IDE,
+    <vm:DesignMainViewModel />
          to set the actual DataContext for runtime, set the DataContext property in code (look at App.axaml.cs) -->
     <vm:MainViewModel />
   </Design.DataContext>