refactor: use custom view locator to create new window/dialog (#1216)

Signed-off-by: leo <longshuang@msn.cn>
(cherry picked from commit 3e6f2b25f15b263e2b84922abc5cf6d621d62a83)

src/App.Commands.cs

@@ -37,10 +37,10 @@ namespace SourceGit
             }
         }
 
-        public static readonly Command OpenPreferencesCommand = new Command(_ => OpenDialog(new Views.Preferences()));
-        public static readonly Command OpenHotkeysCommand = new Command(_ => OpenDialog(new Views.Hotkeys()));
+        public static readonly Command OpenPreferencesCommand = new Command(_ => ShowWindow(new Views.Preferences(), false));
+        public static readonly Command OpenHotkeysCommand = new Command(_ => ShowWindow(new Views.Hotkeys(), false));
         public static readonly Command OpenAppDataDirCommand = new Command(_ => Native.OS.OpenInFileManager(Native.OS.DataDir));
-        public static readonly Command OpenAboutCommand = new Command(_ => OpenDialog(new Views.About()));
+        public static readonly Command OpenAboutCommand = new Command(_ => ShowWindow(new Views.About(), false));
         public static readonly Command CheckForUpdateCommand = new Command(_ => (Current as App)?.Check4Update(true));
         public static readonly Command QuitCommand = new Command(_ => Quit(0));
         public static readonly Command CopyTextBlockCommand = new Command(p =>

src/App.axaml.cs

@@ -105,10 +105,36 @@ namespace SourceGit
         #endregion
 
         #region Utility Functions
-        public static void OpenDialog(Window window)
+        public static void ShowWindow(object data, bool showAsDialog)
         {
-            if (Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { } owner })
-                window.ShowDialog(owner);
+            if (data is Views.ChromelessWindow window)
+            {
+                if (showAsDialog && Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { } owner })
+                    window.ShowDialog(owner);
+                else
+                    window.Show();
+
+                return;
+            }
+
+            var dataTypeName = data.GetType().FullName;
+            if (string.IsNullOrEmpty(dataTypeName) || !dataTypeName.Contains(".ViewModels.", StringComparison.Ordinal))
+                return;
+
+            var viewTypeName = dataTypeName.Replace(".ViewModels.", ".Views.");
+            var viewType = Type.GetType(viewTypeName);
+            if (viewType == null || !viewType.IsSubclassOf(typeof(Views.ChromelessWindow)))
+                return;
+
+            window = Activator.CreateInstance(viewType) as Views.ChromelessWindow;
+            if (window != null)
+            {
+                window.DataContext = data;
+                if (showAsDialog && Current?.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { } owner })
+                    window.ShowDialog(owner);
+                else
+                    window.Show();
+            }
         }
 
         public static void RaiseException(string context, string message)
@@ -598,11 +624,7 @@ namespace SourceGit
         {
             Dispatcher.UIThread.Post(() =>
             {
-                if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime { MainWindow: { } owner })
-                {
-                    var dialog = new Views.SelfUpdate() { DataContext = new ViewModels.SelfUpdate() { Data = data } };
-                    dialog.ShowDialog(owner);
-                }
+                ShowWindow(new ViewModels.SelfUpdate() { Data = data }, true);
             });
         }
 

src/ViewModels/AIAssistant.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+using Avalonia.Threading;
+
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace SourceGit.ViewModels
+{
+    public class AIAssistant : ObservableObject
+    {
+        public bool IsGenerating
+        {
+            get => _isGenerating;
+            private set => SetProperty(ref _isGenerating, value);
+        }
+
+        public string Text
+        {
+            get => _text;
+            private set => SetProperty(ref _text, value);
+        }
+
+        public AIAssistant(Repository repo, Models.OpenAIService service, List<Models.Change> changes, Action<string> onApply)
+        {
+            _repo = repo;
+            _service = service;
+            _changes = changes;
+            _onApply = onApply;
+            _cancel = new CancellationTokenSource();
+
+            Gen();
+        }
+
+        public void Regen()
+        {
+            if (_cancel is { IsCancellationRequested: false })
+                _cancel.Cancel();
+
+            Gen();
+        }
+
+        public void Apply()
+        {
+            _onApply?.Invoke(Text);
+        }
+
+        public void Cancel()
+        {
+            _cancel?.Cancel();
+        }
+
+        private void Gen()
+        {
+            Text = string.Empty;
+            IsGenerating = true;
+
+            _cancel = new CancellationTokenSource();
+            Task.Run(() =>
+            {
+                new Commands.GenerateCommitMessage(_service, _repo.FullPath, _changes, _cancel.Token, message =>
+                {
+                    Dispatcher.UIThread.Invoke(() => Text = message);
+                }).Exec();
+
+                Dispatcher.UIThread.Invoke(() => IsGenerating = false);
+            }, _cancel.Token);
+        }
+
+        private readonly Repository _repo = null;
+        private Models.OpenAIService _service = null;
+        private List<Models.Change> _changes = null;
+        private Action<string> _onApply = null;
+        private CancellationTokenSource _cancel = null;
+        private bool _isGenerating = false;
+        private string _text = string.Empty;
+    }
+}

src/ViewModels/CommitDetail.cs

@@ -332,8 +332,7 @@ namespace SourceGit.ViewModels
             history.Icon = App.CreateMenuIcon("Icons.Histories");
             history.Click += (_, ev) =>
             {
-                var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, change.Path, _commit.SHA) };
-                window.Show();
+                App.ShowWindow(new FileHistories(_repo, change.Path, _commit.SHA), false);
                 ev.Handled = true;
             };
 
@@ -343,8 +342,7 @@ namespace SourceGit.ViewModels
             blame.IsEnabled = change.Index != Models.ChangeState.Deleted;
             blame.Click += (_, ev) =>
             {
-                var window = new Views.Blame() { DataContext = new Blame(_repo.FullPath, change.Path, _commit.SHA) };
-                window.Show();
+                App.ShowWindow(new Blame(_repo.FullPath, change.Path, _commit.SHA), false);
                 ev.Handled = true;
             };
 
@@ -508,8 +506,7 @@ namespace SourceGit.ViewModels
             history.Icon = App.CreateMenuIcon("Icons.Histories");
             history.Click += (_, ev) =>
             {
-                var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, file.Path, _commit.SHA) };
-                window.Show();
+                App.ShowWindow(new FileHistories(_repo, file.Path, _commit.SHA), false);
                 ev.Handled = true;
             };
 
@@ -519,8 +516,7 @@ namespace SourceGit.ViewModels
             blame.IsEnabled = file.Type == Models.ObjectType.Blob;
             blame.Click += (_, ev) =>
             {
-                var window = new Views.Blame() { DataContext = new Blame(_repo.FullPath, file.Path, _commit.SHA) };
-                window.Show();
+                App.ShowWindow(new Blame(_repo.FullPath, file.Path, _commit.SHA), false);
                 ev.Handled = true;
             };
 

src/ViewModels/Histories.cs

@@ -570,11 +570,7 @@ namespace SourceGit.ViewModels
                             return;
                         }
 
-                        App.OpenDialog(new Views.InteractiveRebase()
-                        {
-                            DataContext = new InteractiveRebase(_repo, current, commit)
-                        });
-
+                        App.ShowWindow(new InteractiveRebase(_repo, current, commit), true);
                         e.Handled = true;
                     };
 

src/ViewModels/Launcher.cs

@@ -380,7 +380,7 @@ namespace SourceGit.ViewModels
             configure.Header = App.Text("Workspace.Configure");
             configure.Click += (_, e) =>
             {
-                App.OpenDialog(new Views.ConfigureWorkspace() { DataContext = new ConfigureWorkspace() });
+                App.ShowWindow(new ConfigureWorkspace(), true);
                 e.Handled = true;
             };
             menu.Items.Add(configure);

src/ViewModels/Repository.cs

@@ -1405,8 +1405,7 @@ namespace SourceGit.ViewModels
                 {
                     locks.Click += (_, e) =>
                     {
-                        var dialog = new Views.LFSLocks() { DataContext = new LFSLocks(this, _remotes[0].Name) };
-                        App.OpenDialog(dialog);
+                        App.ShowWindow(new LFSLocks(this, _remotes[0].Name), true);
                         e.Handled = true;
                     };
                 }
@@ -1419,8 +1418,7 @@ namespace SourceGit.ViewModels
                         lockRemote.Header = remoteName;
                         lockRemote.Click += (_, e) =>
                         {
-                            var dialog = new Views.LFSLocks() { DataContext = new LFSLocks(this, remoteName) };
-                            App.OpenDialog(dialog);
+                            App.ShowWindow(new LFSLocks(this, remoteName), true);
                             e.Handled = true;
                         };
                         locks.Items.Add(lockRemote);
@@ -1706,10 +1704,7 @@ namespace SourceGit.ViewModels
                 compareWithHead.Icon = App.CreateMenuIcon("Icons.Compare");
                 compareWithHead.Click += (_, _) =>
                 {
-                    App.OpenDialog(new Views.BranchCompare()
-                    {
-                        DataContext = new BranchCompare(_fullpath, branch, _currentBranch)
-                    });
+                    App.ShowWindow(new BranchCompare(_fullpath, branch, _currentBranch), false);
                 };
                 menu.Items.Add(new MenuItem() { Header = "-" });
                 menu.Items.Add(compareWithHead);
@@ -1989,10 +1984,7 @@ namespace SourceGit.ViewModels
             compareWithHead.Icon = App.CreateMenuIcon("Icons.Compare");
             compareWithHead.Click += (_, _) =>
             {
-                App.OpenDialog(new Views.BranchCompare()
-                {
-                    DataContext = new BranchCompare(_fullpath, branch, _currentBranch)
-                });
+                App.ShowWindow(new BranchCompare(_fullpath, branch, _currentBranch), false);
             };
             menu.Items.Add(compareWithHead);
 

src/ViewModels/WorkingCopy.cs

@@ -323,10 +323,7 @@ namespace SourceGit.ViewModels
 
         public void OpenAssumeUnchanged()
         {
-            App.OpenDialog(new Views.AssumeUnchangedManager()
-            {
-                DataContext = new AssumeUnchangedManager(_repo)
-            });
+            App.ShowWindow(new AssumeUnchangedManager(_repo), true);
         }
 
         public void StashAll(bool autoStart)
@@ -726,8 +723,7 @@ namespace SourceGit.ViewModels
                     history.Icon = App.CreateMenuIcon("Icons.Histories");
                     history.Click += (_, e) =>
                     {
-                        var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, change.Path) };
-                        window.Show();
+                        App.ShowWindow(new FileHistories(_repo, change.Path), false);
                         e.Handled = true;
                     };
 
@@ -1093,8 +1089,7 @@ namespace SourceGit.ViewModels
                 {
                     ai.Click += (_, e) =>
                     {
-                        var dialog = new Views.AIAssistant(services[0], _repo.FullPath, this, _selectedStaged);
-                        App.OpenDialog(dialog);
+                        App.ShowWindow(new AIAssistant(_repo, services[0], _selectedStaged, t => CommitMessage = t), true);
                         e.Handled = true;
                     };
                 }
@@ -1108,8 +1103,7 @@ namespace SourceGit.ViewModels
                         item.Header = service.Name;
                         item.Click += (_, e) =>
                         {
-                            var dialog = new Views.AIAssistant(dup, _repo.FullPath, this, _selectedStaged);
-                            App.OpenDialog(dialog);
+                            App.ShowWindow(new AIAssistant(_repo, dup, _selectedStaged, t => CommitMessage = t), true);
                             e.Handled = true;
                         };
 
@@ -1193,8 +1187,7 @@ namespace SourceGit.ViewModels
                 history.Icon = App.CreateMenuIcon("Icons.Histories");
                 history.Click += (_, e) =>
                 {
-                    var window = new Views.FileHistories() { DataContext = new FileHistories(_repo, change.Path) };
-                    window.Show();
+                    App.ShowWindow(new FileHistories(_repo, change.Path), false);
                     e.Handled = true;
                 };
 
@@ -1490,8 +1483,7 @@ namespace SourceGit.ViewModels
 
             if (services.Count == 1)
             {
-                var dialog = new Views.AIAssistant(services[0], _repo.FullPath, this, _staged);
-                App.OpenDialog(dialog);
+                App.ShowWindow(new AIAssistant(_repo, services[0], _staged, t => CommitMessage = t), true);
                 return null;
             }
 
@@ -1503,8 +1495,7 @@ namespace SourceGit.ViewModels
                 item.Header = service.Name;
                 item.Click += (_, e) =>
                 {
-                    var dialog = new Views.AIAssistant(dup, _repo.FullPath, this, _staged);
-                    App.OpenDialog(dialog);
+                    App.ShowWindow(new AIAssistant(_repo, dup, _staged, t => CommitMessage = t), true);
                     e.Handled = true;
                 };
 
@@ -1705,14 +1696,7 @@ namespace SourceGit.ViewModels
             if (!string.IsNullOrEmpty(_filter) && _staged.Count > _visibleStaged.Count && !confirmWithFilter)
             {
                 var confirmMessage = App.Text("WorkingCopy.ConfirmCommitWithFilter", _staged.Count, _visibleStaged.Count, _staged.Count - _visibleStaged.Count);
-                App.OpenDialog(new Views.ConfirmCommit()
-                {
-                    DataContext = new ConfirmCommit(confirmMessage, () =>
-                    {
-                        DoCommit(autoStage, autoPush, allowEmpty, true);
-                    })
-                });
-
+                App.ShowWindow(new ConfirmCommit(confirmMessage, () => DoCommit(autoStage, autoPush, allowEmpty, true)), true);
                 return;
             }
 
@@ -1720,14 +1704,7 @@ namespace SourceGit.ViewModels
             {
                 if ((autoStage && _count == 0) || (!autoStage && _staged.Count == 0))
                 {
-                    App.OpenDialog(new Views.ConfirmEmptyCommit()
-                    {
-                        DataContext = new ConfirmEmptyCommit(_count > 0, stageAll =>
-                        {
-                            DoCommit(stageAll, autoPush, true, confirmWithFilter);
-                        })
-                    });
-
+                    App.ShowWindow(new ConfirmEmptyCommit(_count > 0, stageAll => DoCommit(stageAll, autoPush, true, confirmWithFilter)), true);
                     return;
                 }
             }

src/Views/AIAssistant.axaml

@@ -7,6 +7,7 @@
                     xmlns:c="using:SourceGit.Converters"
                     mc:Ignorable="d" d:DesignWidth="400" d:DesignHeight="120"
                     x:Class="SourceGit.Views.AIAssistant"
+                    x:DataType="vm:AIAssistant"
                     x:Name="ThisControl"
                     Icon="/App.ico"
                     Title="{DynamicResource Text.AIAssistant}"
@@ -48,20 +49,22 @@
     <!-- Options -->
     <Border Grid.Row="2" Margin="0,0,0,8">
       <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
-        <v:LoadingIcon x:Name="IconInProgress" Width="14" Height="14" Margin="0,0,8,0"/>
+        <v:LoadingIcon Width="14" Height="14"
+                       Margin="0,0,8,0"
+                       IsVisible="{Binding IsGenerating}"/>
         <Button Classes="flat"
-                x:Name="BtnGenerateCommitMessage"
                 Height="28"
                 Margin="0,0,8,0"
                 Padding="12,0"
                 Content="{DynamicResource Text.AIAssistant.Use}"
-                Click="OnGenerateCommitMessage"/>
+                IsEnabled="{Binding !IsGenerating}"
+                Click="OnApply"/>
         <Button Classes="flat"
-                x:Name="BtnRegenerate"
                 Height="28"
                 Padding="12,0"
                 Content="{DynamicResource Text.AIAssistant.Regen}"
-                Click="OnRegen"/>
+                IsEnabled="{Binding !IsGenerating}"
+                Command="{Binding Regen}"/>
       </StackPanel>
     </Border>
   </Grid>

src/Views/AIAssistant.axaml.cs

@@ -1,13 +1,11 @@
 using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
+
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
 using Avalonia.Interactivity;
 using Avalonia.Media;
-using Avalonia.Threading;
+
 using AvaloniaEdit;
 using AvaloniaEdit.Document;
 using AvaloniaEdit.Editing;
@@ -101,76 +99,16 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        public AIAssistant(Models.OpenAIService service, string repo, ViewModels.WorkingCopy wc, List<Models.Change> changes)
-        {
-            _service = service;
-            _repo = repo;
-            _wc = wc;
-            _changes = changes;
-
-            InitializeComponent();
-        }
-
-        protected override void OnOpened(EventArgs e)
-        {
-            base.OnOpened(e);
-            Generate();
-        }
-
         protected override void OnClosing(WindowClosingEventArgs e)
         {
             base.OnClosing(e);
-            _cancel?.Cancel();
+            (DataContext as ViewModels.AIAssistant)?.Cancel();
         }
 
-        private void OnGenerateCommitMessage(object sender, RoutedEventArgs e)
+        private void OnApply(object sender, RoutedEventArgs e)
         {
-            if (_wc != null)
-                _wc.CommitMessage = TxtResponse.Text;
-
+            (DataContext as ViewModels.AIAssistant)?.Apply();
             Close();
         }
-
-        private void OnRegen(object sender, RoutedEventArgs e)
-        {
-            TxtResponse.Text = string.Empty;
-            Generate();
-            e.Handled = true;
-        }
-
-        private void Generate()
-        {
-            if (_repo == null)
-                return;
-
-            IconInProgress.IsVisible = true;
-            BtnGenerateCommitMessage.IsEnabled = false;
-            BtnRegenerate.IsEnabled = false;
-
-            _cancel = new CancellationTokenSource();
-            Task.Run(() =>
-            {
-                new Commands.GenerateCommitMessage(_service, _repo, _changes, _cancel.Token, message =>
-                {
-                    Dispatcher.UIThread.Invoke(() => TxtResponse.Text = message);
-                }).Exec();
-
-                if (!_cancel.IsCancellationRequested)
-                {
-                    Dispatcher.UIThread.Invoke(() =>
-                    {
-                        IconInProgress.IsVisible = false;
-                        BtnGenerateCommitMessage.IsEnabled = true;
-                        BtnRegenerate.IsEnabled = true;
-                    });
-                }
-            }, _cancel.Token);
-        }
-
-        private Models.OpenAIService _service;
-        private string _repo;
-        private ViewModels.WorkingCopy _wc;
-        private List<Models.Change> _changes;
-        private CancellationTokenSource _cancel;
     }
 }

src/Views/CommitMessageTextBox.axaml.cs

@@ -201,12 +201,7 @@ namespace SourceGit.Views
 
         private void OnOpenConventionalCommitHelper(object _, RoutedEventArgs e)
         {
-            var dialog = new ConventionalCommitMessageBuilder()
-            {
-                DataContext = new ViewModels.ConventionalCommitMessageBuilder(text => Text = text)
-            };
-
-            App.OpenDialog(dialog);
+            App.ShowWindow(new ViewModels.ConventionalCommitMessageBuilder(text => Text = text), true);
             e.Handled = true;
         }
 

src/Views/Launcher.axaml.cs

@@ -136,7 +136,7 @@ namespace SourceGit.Views
             // Ctrl+Shift+P opens preference dialog (macOS use hotkeys in system menu bar)
             if (!OperatingSystem.IsMacOS() && e is { KeyModifiers: (KeyModifiers.Control | KeyModifiers.Shift), Key: Key.P })
             {
-                App.OpenDialog(new Preferences());
+                App.ShowWindow(new Preferences(), true);
                 e.Handled = true;
                 return;
             }

src/Views/LauncherPage.axaml.cs

@@ -68,7 +68,7 @@ namespace SourceGit.Views
                     return;
                 }
                 
-                var viewTypeName = dataTypeName.Replace("ViewModels", "Views");
+                var viewTypeName = dataTypeName.Replace(".ViewModels.", ".Views.");
                 var viewType = Type.GetType(viewTypeName);
                 if (viewType == null)
                 {

src/Views/Preferences.axaml.cs

@@ -349,9 +349,7 @@ namespace SourceGit.Views
             if (sender is CheckBox box)
             {
                 ViewModels.Preferences.Instance.UseSystemWindowFrame = box.IsChecked == true;
-
-                var dialog = new ConfirmRestart();
-                App.OpenDialog(dialog);
+                App.ShowWindow(new ConfirmRestart(), true);
             }
 
             e.Handled = true;

src/Views/RepositoryToolbar.axaml.cs

@@ -22,22 +22,20 @@ namespace SourceGit.Views
             }
         }
 
-        private async void OpenStatistics(object _, RoutedEventArgs e)
+        private void OpenStatistics(object _, RoutedEventArgs e)
         {
-            if (DataContext is ViewModels.Repository repo && TopLevel.GetTopLevel(this) is Window owner)
+            if (DataContext is ViewModels.Repository repo)
             {
-                var dialog = new Statistics() { DataContext = new ViewModels.Statistics(repo.FullPath) };
-                await dialog.ShowDialog(owner);
+                App.ShowWindow(new ViewModels.Statistics(repo.FullPath), true);
                 e.Handled = true;
             }
         }
 
-        private async void OpenConfigure(object sender, RoutedEventArgs e)
+        private void OpenConfigure(object sender, RoutedEventArgs e)
         {
-            if (DataContext is ViewModels.Repository repo && TopLevel.GetTopLevel(this) is Window owner)
+            if (DataContext is ViewModels.Repository repo)
             {
-                var dialog = new RepositoryConfigure() { DataContext = new ViewModels.RepositoryConfigure(repo) };
-                await dialog.ShowDialog(owner);
+                App.ShowWindow(new ViewModels.RepositoryConfigure(repo), true);
                 e.Handled = true;
             }
         }
@@ -129,12 +127,11 @@ namespace SourceGit.Views
             e.Handled = true;
         }
 
-        private async void OpenGitLogs(object sender, RoutedEventArgs e)
+        private void OpenGitLogs(object sender, RoutedEventArgs e)
         {
-            if (DataContext is ViewModels.Repository repo && TopLevel.GetTopLevel(this) is Window owner)
+            if (DataContext is ViewModels.Repository repo)
             {
-                var dialog = new ViewLogs() { DataContext = new ViewModels.ViewLogs(repo) };
-                await dialog.ShowDialog(owner);
+                App.ShowWindow(new ViewModels.ViewLogs(repo), true);
                 e.Handled = true;
             }
         }