Toolkit.Avalonia

Toolkit.Avalonia/SingleViewApplicationHandler.cs

@@ -0,0 +1,28 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Toolkit.Foundation;
+
+namespace Toolkit.Avalonia;
+
+public class SingleViewApplicationHandler(INavigationContext navigationContext) :
+    INavigateHandler<ISingleViewApplicationLifetime>
+{
+    public Task Handle(Navigate<ISingleViewApplicationLifetime> args,
+        CancellationToken cancellationToken = default)
+    {
+        if (Application.Current?.ApplicationLifetime is
+            ISingleViewApplicationLifetime lifeTime)
+        {
+            if (args.Template is Control control)
+            {
+                lifeTime.MainView = control;
+                control.DataContext = args.Content;
+
+                navigationContext.Set(control);
+            }
+        }
+
+        return Task.CompletedTask;
+    }
+}