feature: show ahead/behind in local branch tooltip (#1761)

Signed-off-by: leo <[email protected]>

Author: love-linger

src/Resources/Locales/en_US.axaml

@@ -73,8 +73,12 @@
   <x:String x:Key="Text.BranchCM.SwitchToWorktree" xml:space="preserve">Switch to ${0}$ (worktree)</x:String>
   <x:String x:Key="Text.BranchCM.Tracking" xml:space="preserve">Set Tracking Branch...</x:String>
   <x:String x:Key="Text.BranchCompare" xml:space="preserve">Branch Compare</x:String>
+  <x:String x:Key="Text.BranchTree.Ahead" xml:space="preserve">{0} commit(s) ahead</x:String>
+  <x:String x:Key="Text.BranchTree.AheadBehind" xml:space="preserve">{0} commit(s) ahead, {1} commits behind</x:String>
+  <x:String x:Key="Text.BranchTree.Behind" xml:space="preserve">{0} commit(s) behind</x:String>
   <x:String x:Key="Text.BranchTree.InvalidUpstream" xml:space="preserve">Invalid</x:String>
   <x:String x:Key="Text.BranchTree.Remote" xml:space="preserve">REMOTE</x:String>
+  <x:String x:Key="Text.BranchTree.Status" xml:space="preserve">STATUS</x:String>
   <x:String x:Key="Text.BranchTree.Tracking" xml:space="preserve">TRACKING</x:String>
   <x:String x:Key="Text.BranchTree.URL" xml:space="preserve">URL</x:String>
   <x:String x:Key="Text.BranchTree.Worktree" xml:space="preserve">WORKTREE</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -77,8 +77,12 @@
   <x:String x:Key="Text.BranchCM.SwitchToWorktree" xml:space="preserve">切换到 ${0}$ (工作树)</x:String>
   <x:String x:Key="Text.BranchCM.Tracking" xml:space="preserve">切换上游分支 ...</x:String>
   <x:String x:Key="Text.BranchCompare" xml:space="preserve">分支比较</x:String>
+  <x:String x:Key="Text.BranchTree.Ahead" xml:space="preserve">领先 {0} 个提交</x:String>
+  <x:String x:Key="Text.BranchTree.AheadBehind" xml:space="preserve">领先 {0} 个提交，落后 {1} 个提交</x:String>
+  <x:String x:Key="Text.BranchTree.Behind" xml:space="preserve">落后 {0} 个提交</x:String>
   <x:String x:Key="Text.BranchTree.InvalidUpstream" xml:space="preserve">不存在</x:String>
   <x:String x:Key="Text.BranchTree.Remote" xml:space="preserve">远程</x:String>
+  <x:String x:Key="Text.BranchTree.Status" xml:space="preserve">状态</x:String>
   <x:String x:Key="Text.BranchTree.Tracking" xml:space="preserve">上游分支</x:String>
   <x:String x:Key="Text.BranchTree.URL" xml:space="preserve">远程地址</x:String>
   <x:String x:Key="Text.BranchTree.Worktree" xml:space="preserve">工作树</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -77,8 +77,12 @@
   <x:String x:Key="Text.BranchCM.SwitchToWorktree" xml:space="preserve">切換到 ${0}$ (工作區)</x:String>
   <x:String x:Key="Text.BranchCM.Tracking" xml:space="preserve">切換上游分支...</x:String>
   <x:String x:Key="Text.BranchCompare" xml:space="preserve">分支比較</x:String>
+  <x:String x:Key="Text.BranchTree.Ahead" xml:space="preserve">領先 {0} 次提交</x:String>
+  <x:String x:Key="Text.BranchTree.AheadBehind" xml:space="preserve">領先 {0} 次提交, 落後 {0} 次提交</x:String>
+  <x:String x:Key="Text.BranchTree.Behind" xml:space="preserve">落後 {0} 次提交</x:String>
   <x:String x:Key="Text.BranchTree.InvalidUpstream" xml:space="preserve">無效</x:String>
   <x:String x:Key="Text.BranchTree.Remote" xml:space="preserve">遠端</x:String>
+  <x:String x:Key="Text.BranchTree.Status" xml:space="preserve">狀態</x:String>
   <x:String x:Key="Text.BranchTree.Tracking" xml:space="preserve">上游分支</x:String>
   <x:String x:Key="Text.BranchTree.URL" xml:space="preserve">遠端網址</x:String>
   <x:String x:Key="Text.BranchTree.Worktree" xml:space="preserve">工作區</x:String>

src/Views/BranchTree.axaml

@@ -49,7 +49,7 @@
                   </Border>
                 </StackPanel>
 
-                <Grid RowDefinitions="Auto,Auto" ColumnDefinitions="Auto,Auto" Margin="0,8,0,0" IsVisible="{Binding IsLocal, Mode=OneWay}">
+                <Grid RowDefinitions="Auto,Auto,Auto" ColumnDefinitions="Auto,Auto" Margin="0,8,0,0" IsVisible="{Binding IsLocal, Mode=OneWay}">
                   <TextBlock Grid.Row="0" Grid.Column="0"
                              Classes="info_label"
                              HorizontalAlignment="Left" VerticalAlignment="Center"
@@ -70,12 +70,21 @@
                   </StackPanel>
 
                   <TextBlock Grid.Row="1" Grid.Column="0"
+                             Classes="info_label"
+                             Margin="0,4,0,0"
+                             HorizontalAlignment="Left" VerticalAlignment="Center"
+                             Text="{DynamicResource Text.BranchTree.Status}"
+                             IsVisible="{Binding TrackStatus.IsVisible, Mode=OneWay}"/>
+                  <v:BranchTreeNodeTrackStatusTooltip Grid.Row="1" Grid.Column="1"
+                                                      Margin="8,4,0,0"/>
+
+                  <TextBlock Grid.Row="2" Grid.Column="0"
                              Classes="info_label"
                              Margin="0,4,0,0"
                              HorizontalAlignment="Left" VerticalAlignment="Center"
                              Text="{DynamicResource Text.BranchTree.Worktree}"
                              IsVisible="{Binding HasWorktree}"/>
-                  <TextBlock Grid.Row="1" Grid.Column="1"
+                  <TextBlock Grid.Row="2" Grid.Column="1"
                              Margin="8,4,0,0"
                              Text="{Binding WorktreePath, Mode=OneWay}"
                              IsVisible="{Binding HasWorktree}"/>

src/Views/BranchTree.axaml.cs

@@ -202,6 +202,37 @@ protected override Size MeasureOverride(Size availableSize)
         private FormattedText _label = null;
     }
 
+    public class BranchTreeNodeTrackStatusTooltip : TextBlock
+    {
+        protected override Type StyleKeyOverride => typeof(TextBlock);
+
+        protected override void OnDataContextChanged(EventArgs e)
+        {
+            base.OnDataContextChanged(e);
+
+            Text = string.Empty;
+
+            if (DataContext is not Models.Branch { TrackStatus: { IsVisible: true } track })
+            {
+                SetCurrentValue(IsVisibleProperty, false);
+                return;
+            }
+
+            if (track.Ahead.Count > 0)
+            {
+                Text = track.Behind.Count > 0 ?
+                    App.Text("BranchTree.AheadBehind", track.Ahead.Count, track.Behind.Count) :
+                    App.Text("BranchTree.Ahead", track.Ahead.Count);
+            }
+            else if (track.Behind.Count > 0)
+            {
+                Text = App.Text("BranchTree.Behind", track.Behind.Count);
+            }
+
+            SetCurrentValue(IsVisibleProperty, true);
+        }
+    }
+
     public partial class BranchTree : UserControl
     {
         public static readonly StyledProperty<List<ViewModels.BranchTreeNode>> NodesProperty =