feature: show uncommitted changes count for submodule (sourcegit-scm#2264)

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

Author: love-linger

src/Models/RevisionFile.cs

@@ -39,5 +39,6 @@ public class RevisionSubmodule
     {
         public Commit Commit { get; set; } = null;
         public CommitFullMessage FullMessage { get; set; } = null;
+        public int UncommittedChanges { get; set; } = 0;
     }
 }

src/Resources/Locales/en_US.axaml

@@ -372,6 +372,7 @@
   <x:String x:Key="Text.Diff.Submodule" xml:space="preserve">SUBMODULE</x:String>
   <x:String x:Key="Text.Diff.Submodule.Deleted" xml:space="preserve">DELETED</x:String>
   <x:String x:Key="Text.Diff.Submodule.New" xml:space="preserve">NEW</x:String>
+  <x:String x:Key="Text.Diff.Submodule.UncommittedChanges" xml:space="preserve">+ {0} Uncommitted Changes</x:String>
   <x:String x:Key="Text.Diff.SwapCommits" xml:space="preserve">Swap</x:String>
   <x:String x:Key="Text.Diff.SyntaxHighlight" xml:space="preserve">Syntax Highlighting</x:String>
   <x:String x:Key="Text.Diff.ToggleWordWrap" xml:space="preserve">Line Word Wrap</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -376,6 +376,7 @@
   <x:String x:Key="Text.Diff.Submodule" xml:space="preserve">子模块</x:String>
   <x:String x:Key="Text.Diff.Submodule.Deleted" xml:space="preserve">删除</x:String>
   <x:String x:Key="Text.Diff.Submodule.New" xml:space="preserve">新增</x:String>
+  <x:String x:Key="Text.Diff.Submodule.UncommittedChanges" xml:space="preserve">+ {0} 项未提交变更</x:String>
   <x:String x:Key="Text.Diff.SwapCommits" xml:space="preserve">交换比对双方</x:String>
   <x:String x:Key="Text.Diff.SyntaxHighlight" xml:space="preserve">语法高亮</x:String>
   <x:String x:Key="Text.Diff.ToggleWordWrap" xml:space="preserve">自动换行</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -376,6 +376,7 @@
   <x:String x:Key="Text.Diff.Submodule" xml:space="preserve">子模組</x:String>
   <x:String x:Key="Text.Diff.Submodule.Deleted" xml:space="preserve">已刪除</x:String>
   <x:String x:Key="Text.Diff.Submodule.New" xml:space="preserve">新增</x:String>
+  <x:String x:Key="Text.Diff.Submodule.UncommittedChanges" xml:space="preserve">+ {0} 項未提交變更</x:String>
   <x:String x:Key="Text.Diff.SwapCommits" xml:space="preserve">交換比對雙方</x:String>
   <x:String x:Key="Text.Diff.SyntaxHighlight" xml:space="preserve">語法上色</x:String>
   <x:String x:Key="Text.Diff.ToggleWordWrap" xml:space="preserve">自動換行</x:String>

src/ViewModels/DiffContext.cs

@@ -291,6 +291,16 @@ private void LoadContent()
 
         private async Task<Models.RevisionSubmodule> QuerySubmoduleRevisionAsync(string repo, string sha)
         {
+            if (!File.Exists(Path.Combine(repo, ".git")))
+                return new Models.RevisionSubmodule() { Commit = new Models.Commit() { SHA = sha } };
+
+            var uncommittedChangesCount = 0;
+            if (sha.EndsWith("-dirty", StringComparison.Ordinal))
+            {
+                sha = sha.Substring(0, sha.Length - 6);
+                uncommittedChangesCount = await new Commands.CountLocalChanges(repo, true).GetResultAsync().ConfigureAwait(false);
+            }
+
             var commit = await new Commands.QuerySingleCommit(repo, sha).GetResultAsync().ConfigureAwait(false);
             if (commit == null)
                 return new Models.RevisionSubmodule() { Commit = new Models.Commit() { SHA = sha } };
@@ -299,7 +309,8 @@ private void LoadContent()
             return new Models.RevisionSubmodule()
             {
                 Commit = commit,
-                FullMessage = new Models.CommitFullMessage { Message = body }
+                FullMessage = new Models.CommitFullMessage { Message = body },
+                UncommittedChanges = uncommittedChangesCount
             };
         }
 

src/Views/DiffView.axaml

@@ -321,7 +321,15 @@
                     <ContentControl Content="{Binding New}">
                       <ContentControl.DataTemplates>
                         <DataTemplate DataType="m:RevisionSubmodule">
-                          <v:CommitBaseInfo Margin="0,4,8,6" Content="{Binding Commit}" FullMessage="{Binding FullMessage}"/>
+                          <StackPanel Orientation="Vertical">
+                            <TextBlock Margin="0,8,0,4"
+                                       HorizontalAlignment="Center"
+                                       Foreground="OrangeRed"
+                                       FontFamily="{DynamicResource Fonts.Monospace}"
+                                       Text="{Binding UncommittedChanges, Converter={x:Static c:StringConverters.FormatByResourceKey}, ConverterParameter='Diff.Submodule.UncommittedChanges'}"
+                                       IsVisible="{Binding UncommittedChanges, Converter={x:Static c:IntConverters.IsGreaterThanZero}}"/>
+                            <v:CommitBaseInfo Margin="0,4,8,6" Content="{Binding Commit}" FullMessage="{Binding FullMessage}"/>
+                          </StackPanel>
                         </DataTemplate>
                       </ContentControl.DataTemplates>
                     </ContentControl>