Add some initial navigation route handlers

2022-12-09 08:58:26 +00:00
parent fdcce769e5
commit 4c8fd3dae4
34 changed files with 403 additions and 343 deletions
@@ -0,0 +1,33 @@
+using Avalonia.Controls.Primitives;
+using FluentAvalonia.UI.Navigation;
+using Mediator;
+
+namespace Toolkit.Foundation.Avalonia
+{
+    public class FrameNavigationHandler : IRequestHandler<FrameNavigation, bool>
+    {
+        public async ValueTask<bool> Handle(FrameNavigation request, CancellationToken cancellationToken)
+        {
+            request.Route.NavigationPageFactory = new NavigationPageFactory();
+
+            TaskCompletionSource<bool> completionSource = new();
+            if (request.Template is TemplatedControl content)
+            {
+                void HandleNavigated(object sender, NavigationEventArgs args)
+                {
+                    request.Route.Navigated -= HandleNavigated;
+                    if (request.Route.Content is TemplatedControl control)
+                    {
+                        control.DataContext = request.Content;
+                        completionSource.SetResult(true);
+                    }
+                }
+
+                request.Route.Navigated += HandleNavigated;
+                request.Route.NavigateFromObject(content);
+            }
+
+            return await completionSource.Task;
+        }
+    }
+}