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 +1,53 @@
+using FluentAvalonia.UI.Controls;
+using Mediator;
+
+namespace Toolkit.Foundation.Avalonia
+{
+    public class ContentDialogNavigationHandler : IRequestHandler<ContentDialogNavigation, bool>
+    {
+        public async ValueTask<bool> Handle(ContentDialogNavigation request, CancellationToken cancellationToken)
+        {
+            if (request.Template is ContentDialog contentDialog)
+            {
+                async void HandleButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
+                {
+                    ContentDialogButtonClickDeferral defferal = args.GetDeferral();
+
+                    if (sender.DataContext is INavigationConfirmationAsync confirmationAsync)
+                    {
+                        if (!await confirmationAsync.CanConfirmAsync())
+                        {
+                            args.Cancel = true;
+                        }
+                    }
+
+                    if (sender.DataContext is INavigationConfirmation confirmation)
+                    {
+                        if (!confirmation.CanConfirm())
+                        {
+                            args.Cancel = true;
+                        }
+                    }
+
+                    if (!args.Cancel)
+                    {
+                        contentDialog.SecondaryButtonClick -= HandleButtonClick;
+                        contentDialog.PrimaryButtonClick -= HandleButtonClick;
+                        contentDialog.CloseButtonClick -= HandleButtonClick;
+                    }
+
+                    defferal.Complete();
+                }
+
+                contentDialog.SecondaryButtonClick += HandleButtonClick;
+                contentDialog.PrimaryButtonClick += HandleButtonClick;
+                contentDialog.CloseButtonClick += HandleButtonClick;
+
+                contentDialog.DataContext = request.Content;
+                await contentDialog.ShowAsync();
+            }
+
+            return await Task.FromResult(true);
+        }
+    }
+}