fix: rewrite the ConfirmEmptyCommit dialog to avoid pressing the same button more than one time (#1777)

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/App.axaml.cs

@@ -170,6 +170,19 @@ public static async Task<bool> AskConfirmAsync(string message)
             return false;
         }
 
+        public static async Task<Models.ConfirmEmptyCommitResult> AskConfirmEmptyCommitAsync(bool hasLocalChanges)
+        {
+            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { } owner })
+            {
+                var confirm = new Views.ConfirmEmptyCommit();
+                confirm.TxtMessage.Text = Text(hasLocalChanges ? "ConfirmEmptyCommit.WithLocalChanges" : "ConfirmEmptyCommit.NoLocalChanges");
+                confirm.BtnStageAllAndCommit.IsVisible = hasLocalChanges;
+                return await confirm.ShowDialog<Models.ConfirmEmptyCommitResult>(owner);
+            }
+
+            return Models.ConfirmEmptyCommitResult.Cancel;
+        }
+
         public static void RaiseException(string context, string message)
         {
             if (Current is App { _launcher: not null } app)

src/Models/ConfirmEmptyCommitResult.cs

@@ -0,0 +1,9 @@
+namespace SourceGit.Models
+{
+    public enum ConfirmEmptyCommitResult
+    {
+        Cancel = 0,
+        StageAllAndCommit,
+        CreateEmptyCommit,
+    }
+}

src/ViewModels/ConfirmEmptyCommit.cs

@@ -664,8 +664,12 @@ public async Task CommitAsync(bool autoStage, bool autoPush, Models.CommitCheckP
             {
                 if ((!autoStage && _staged.Count == 0) || (autoStage && _cached.Count == 0))
                 {
-                    await App.ShowDialog(new ConfirmEmptyCommit(this, autoPush, _cached.Count));
-                    return;
+                    var rs = await App.AskConfirmEmptyCommitAsync(_cached.Count > 0);
+                    if (rs == Models.ConfirmEmptyCommitResult.Cancel)
+                        return;
+
+                    if (rs == Models.ConfirmEmptyCommitResult.StageAllAndCommit)
+                        autoStage = true;
                 }
             }
 

src/ViewModels/WorkingCopy.cs

@@ -3,10 +3,8 @@
                     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                     xmlns:v="using:SourceGit.Views"
-                    xmlns:vm="using:SourceGit.ViewModels"
                     mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
                     x:Class="SourceGit.Views.ConfirmEmptyCommit"
-                    x:DataType="vm:ConfirmEmptyCommit"
                     x:Name="ThisControl"
                     Icon="/App.ico"
                     Title="{DynamicResource Text.Warn}"
@@ -39,15 +37,15 @@
 
     <!-- Body -->
     <Border Grid.Row="1" Margin="16">
-      <TextBlock Text="{Binding Message}" MaxWidth="520" TextWrapping="Wrap"/>
+      <TextBlock x:Name="TxtMessage" MaxWidth="520" TextWrapping="Wrap"/>
     </Border>
 
     <!-- Buttons -->
     <StackPanel Grid.Row="2" Margin="0,0,0,16" Orientation="Horizontal" HorizontalAlignment="Center">
       <Button Classes="flat"
+              x:Name="BtnStageAllAndCommit"
               Height="30"
               Margin="4,0"
-              IsVisible="{Binding HasLocalChanges}"
               Click="StageAllThenCommit"
               Content="{DynamicResource Text.ConfirmEmptyCommit.StageAllThenCommit}"
               HorizontalContentAlignment="Center"

src/Views/ConfirmEmptyCommit.axaml

@@ -9,25 +9,19 @@ public ConfirmEmptyCommit()
             InitializeComponent();
         }
 
-        private async void StageAllThenCommit(object _1, RoutedEventArgs _2)
+        private void StageAllThenCommit(object _1, RoutedEventArgs _2)
         {
-            if (DataContext is ViewModels.ConfirmEmptyCommit vm)
-                await vm.StageAllThenCommitAsync();
-
-            Close();
+            Close(Models.ConfirmEmptyCommitResult.StageAllAndCommit);
         }
 
-        private async void Continue(object _1, RoutedEventArgs _2)
+        private void Continue(object _1, RoutedEventArgs _2)
         {
-            if (DataContext is ViewModels.ConfirmEmptyCommit vm)
-                await vm.ContinueAsync();
-
-            Close();
+            Close(Models.ConfirmEmptyCommitResult.CreateEmptyCommit);
         }
 
         private void CloseWindow(object _1, RoutedEventArgs _2)
         {
-            Close();
+            Close(Models.ConfirmEmptyCommitResult.Cancel);
         }
     }
 }