feature: supports to switch change display mode in STASHES page (#1504)

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

src/ViewModels/Preferences.cs

@@ -285,6 +285,12 @@ namespace SourceGit.ViewModels
             set => SetProperty(ref _commitChangeViewMode, value);
         }
 
+        public Models.ChangeViewMode StashChangeViewMode
+        {
+            get => _stashChangeViewMode;
+            set => SetProperty(ref _stashChangeViewMode, value);
+        }
+
         public string GitInstallPath
         {
             get => Native.OS.GitExecutable;
@@ -692,6 +698,7 @@ namespace SourceGit.ViewModels
         private Models.ChangeViewMode _unstagedChangeViewMode = Models.ChangeViewMode.List;
         private Models.ChangeViewMode _stagedChangeViewMode = Models.ChangeViewMode.List;
         private Models.ChangeViewMode _commitChangeViewMode = Models.ChangeViewMode.List;
+        private Models.ChangeViewMode _stashChangeViewMode = Models.ChangeViewMode.List;
 
         private string _gitDefaultCloneDir = string.Empty;
 

src/ViewModels/StashesPage.cs

@@ -93,23 +93,23 @@ namespace SourceGit.ViewModels
             private set
             {
                 if (SetProperty(ref _changes, value))
-                    SelectedChange = value is { Count: > 0 } ? value[0] : null;
+                    SelectedChanges = value is { Count: > 0 } ? [value[0]] : [];
             }
         }
 
-        public Models.Change SelectedChange
+        public List<Models.Change> SelectedChanges
         {
-            get => _selectedChange;
+            get => _selectedChanges;
             set
             {
-                if (SetProperty(ref _selectedChange, value))
+                if (SetProperty(ref _selectedChanges, value))
                 {
-                    if (value == null)
+                    if (value is not { Count: 1 })
                         DiffContext = null;
-                    else if (_untracked.Contains(value))
-                        DiffContext = new DiffContext(_repo.FullPath, new Models.DiffOption(Models.Commit.EmptyTreeSHA1, _selectedStash.Parents[2], value), _diffContext);
+                    else if (_untracked.Contains(value[0]))
+                        DiffContext = new DiffContext(_repo.FullPath, new Models.DiffOption(Models.Commit.EmptyTreeSHA1, _selectedStash.Parents[2], value[0]), _diffContext);
                     else
-                        DiffContext = new DiffContext(_repo.FullPath, new Models.DiffOption(_selectedStash.Parents[0], _selectedStash.SHA, value), _diffContext);
+                        DiffContext = new DiffContext(_repo.FullPath, new Models.DiffOption(_selectedStash.Parents[0], _selectedStash.SHA, value[0]), _diffContext);
                 }
             }
         }
@@ -129,11 +129,11 @@ namespace SourceGit.ViewModels
         {
             _stashes?.Clear();
             _changes?.Clear();
+            _selectedChanges?.Clear();
             _untracked.Clear();
 
             _repo = null;
             _selectedStash = null;
-            _selectedChange = null;
             _diffContext = null;
         }
 
@@ -217,11 +217,12 @@ namespace SourceGit.ViewModels
             return menu;
         }
 
-        public ContextMenu MakeContextMenuForChange(Models.Change change)
+        public ContextMenu MakeContextMenuForChange()
         {
-            if (change == null)
+            if (_selectedChanges is not { Count: 1 })
                 return null;
 
+            var change = _selectedChanges[0];
             var diffWithMerger = new MenuItem();
             diffWithMerger.Header = App.Text("DiffWithMerger");
             diffWithMerger.Icon = App.CreateMenuIcon("Icons.OpenWith");
@@ -339,7 +340,7 @@ namespace SourceGit.ViewModels
         private Models.Stash _selectedStash = null;
         private List<Models.Change> _changes = null;
         private List<Models.Change> _untracked = [];
-        private Models.Change _selectedChange = null;
+        private List<Models.Change> _selectedChanges = [];
         private DiffContext _diffContext = null;
     }
 }

src/Views/StashesPage.axaml

@@ -109,46 +109,28 @@
 
       <!-- Changes Bar -->
       <Border Grid.Row="3" BorderThickness="0,1" BorderBrush="{DynamicResource Brush.Border0}">
-        <Grid ColumnDefinitions="Auto,*">
+        <Grid ColumnDefinitions="Auto,*,Auto">
           <Path Grid.Column="0" Margin="8,0,0,0" Width="14" Height="14" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.Changes}"/>
           <TextBlock Grid.Column="1" Foreground="{DynamicResource Brush.FG2}" FontWeight="Bold" Margin="4,0,0,0">
             <Run Text="{DynamicResource Text.Stashes.Changes}"/>
             <Run Text="{Binding Changes, Converter={x:Static c:ListConverters.ToCount}, Mode=OneWay}"/>
           </TextBlock>
+
+          <v:ChangeViewModeSwitcher Grid.Column="2"
+                                    Width="14" Height="14"
+                                    Margin="0,0,8,0"
+                                    HorizontalAlignment="Right"
+                                    ViewMode="{Binding Source={x:Static vm:Preferences.Instance}, Path=StashChangeViewMode, Mode=TwoWay}"/>
         </Grid>
       </Border>
 
       <!-- View Changes -->
-      <ListBox Grid.Row="4"
-               Background="{DynamicResource Brush.Contents}"
-               ItemsSource="{Binding Changes}"
-               SelectedItem="{Binding SelectedChange, Mode=TwoWay}"
-               SelectionMode="Single"
-               ScrollViewer.HorizontalScrollBarVisibility="Disabled"
-               ScrollViewer.VerticalScrollBarVisibility="Auto">
-        <ListBox.Styles>
-          <Style Selector="ListBoxItem">
-            <Setter Property="Margin" Value="0"/>
-            <Setter Property="Padding" Value="0"/>
-            <Setter Property="Height" Value="26"/>
-          </Style>
-        </ListBox.Styles>
-
-        <ListBox.ItemsPanel>
-          <ItemsPanelTemplate>
-            <VirtualizingStackPanel Orientation="Vertical"/>
-          </ItemsPanelTemplate>
-        </ListBox.ItemsPanel>
-
-        <ListBox.ItemTemplate>
-          <DataTemplate DataType="m:Change">
-            <Grid ColumnDefinitions="24,*" Background="Transparent" ContextRequested="OnChangeContextRequested">
-              <v:ChangeStatusIcon Grid.Column="0" Width="14" Height="14" Change="{Binding}"/>
-              <TextBlock Grid.Column="1" Classes="primary" Text="{Binding Path}" Margin="4,0,0,0"/>
-            </Grid>
-          </DataTemplate>
-        </ListBox.ItemTemplate>
-      </ListBox>
+      <Border Grid.Row="4" Background="{DynamicResource Brush.Contents}">
+        <v:ChangeCollectionView ViewMode="{Binding Source={x:Static vm:Preferences.Instance}, Path=StashChangeViewMode, Mode=OneWay}"
+                                Changes="{Binding Changes}"
+                                SelectedChanges="{Binding SelectedChanges, Mode=TwoWay}"
+                                ContextRequested="OnChangeContextRequested"/>
+      </Border>
     </Grid>
 
     <GridSplitter Grid.Column="1"

src/Views/StashesPage.axaml.cs

@@ -48,10 +48,10 @@ namespace SourceGit.Views
 
         private void OnChangeContextRequested(object sender, ContextRequestedEventArgs e)
         {
-            if (DataContext is ViewModels.StashesPage vm && sender is Grid grid)
+            if (DataContext is ViewModels.StashesPage vm && sender is ChangeCollectionView view)
             {
-                var menu = vm.MakeContextMenuForChange(grid.DataContext as Models.Change);
-                menu?.Open(grid);
+                var menu = vm.MakeContextMenuForChange();
+                menu?.Open(view);
             }
             e.Handled = true;
         }