Display filemode 'magic numbers' again, but this time in tooltip

Author: goran-w

src/Models/DiffResult.cs

@@ -152,5 +152,7 @@ public string FileModeChange
                 return $"{oldDisplay} → {newDisplay}";
             }
         }
+
+        public string FileModeChangeTooltip => App.Text("Diff.FileModeChanged") + $" ({OldMode} → {NewMode})";
     }
 }

src/ViewModels/DiffContext.cs

@@ -19,6 +19,12 @@ public string FileModeChange
             private set => SetProperty(ref _fileModeChange, value);
         }
 
+        public string FileModeChangeTooltip
+        {
+            get => _fileModeChangeTooltip;
+            private set => SetProperty(ref _fileModeChangeTooltip, value);
+        }
+
         public bool IsTextDiff
         {
             get => _isTextDiff;
@@ -54,6 +60,7 @@ public DiffContext(string repo, Models.DiffOption option, DiffContext previous =
                 _isIgnoreWhitespaceVisible = previous._isIgnoreWhitespaceVisible;
                 _content = previous._content;
                 _fileModeChange = previous._fileModeChange;
+                _fileModeChangeTooltip = previous._fileModeChangeTooltip;
                 _unifiedLines = previous._unifiedLines;
                 _info = previous._info;
             }
@@ -244,6 +251,7 @@ private void LoadContent()
                 Dispatcher.UIThread.Post(() =>
                 {
                     FileModeChange = latest.FileModeChange;
+                    FileModeChangeTooltip = latest.FileModeChangeTooltip;
 
                     if (rs is Models.TextDiff cur)
                     {
@@ -335,6 +343,7 @@ public bool IsSame(Info other)
         private readonly string _repo;
         private readonly Models.DiffOption _option = null;
         private string _fileModeChange = string.Empty;
+        private string _fileModeChangeTooltip = string.Empty;
         private int _unifiedLines = 4;
         private bool _isTextDiff = false;
         private bool _isIgnoreWhitespaceVisible = true;

src/Views/DiffView.axaml

@@ -25,7 +25,7 @@
                   VerticalAlignment="Center"
                   Background="{DynamicResource Brush.Badge}"
                   IsVisible="{Binding FileModeChange, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"
-                  ToolTip.Tip="{DynamicResource Text.Diff.FileModeChanged}">
+                  ToolTip.Tip="{Binding FileModeChangeTooltip}">
             <TextBlock FontSize="10" HorizontalAlignment="Center" Margin="4,0" Text="{Binding FileModeChange}" Foreground="{DynamicResource Brush.BadgeFG}"/>
           </Border>