feature<WorkingCopy>: finish recent commit message picker

src/Converters/IntConverters.cs

@@ -1,6 +1,4 @@
 using Avalonia.Data.Converters;
-using System;
-using System.Globalization;
 
 namespace SourceGit.Converters {
     public static class IntConverters {
@@ -10,18 +8,7 @@ namespace SourceGit.Converters {
         public static FuncValueConverter<int, bool> IsZero =
             new FuncValueConverter<int, bool>(v => v == 0);
 
-        public class NotEqualConverter : IValueConverter {
-            public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
-                int v = (int)value;
-                int target = (int)parameter;
-                return v != target;
-            }
-
-            public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
-                throw new NotImplementedException();
-            }
-        }
-
-        public static NotEqualConverter NotEqual = new NotEqualConverter();
+        public static FuncValueConverter<int, bool> IsOne =
+            new FuncValueConverter<int, bool>(v => v == 1);
     }
 }

src/ViewModels/WorkingCopy.cs

@@ -557,6 +557,38 @@ namespace SourceGit.ViewModels {
             return menu;
         }
 
+        public ContextMenu CreateContextMenuForCommitMessages() {
+            var menu = new ContextMenu();
+            if (_repo.CommitMessages.Count == 0) {
+                var empty = new MenuItem();
+                empty.Header = App.Text("WorkingCopy.NoCommitHistories");
+                empty.IsEnabled = false;
+                menu.Items.Add(empty);
+                return menu;
+            }
+
+            var tip = new MenuItem();
+            tip.Header = App.Text("WorkingCopy.HasCommitHistories");
+            tip.IsEnabled = false;
+            menu.Items.Add(tip);
+            menu.Items.Add(new MenuItem() { Header = "-" });
+
+            foreach (var message in _repo.CommitMessages) {
+                var dump = message;
+
+                var item = new MenuItem();
+                item.Header = dump;
+                item.Click += (o, e) => {
+                    CommitMessage = dump;
+                    e.Handled = true;
+                };
+
+                menu.Items.Add(item);
+            }
+
+            return menu;
+        }
+
         private Avalonia.Controls.Shapes.Path CreateMenuIcon(string key) {
             var icon = new Avalonia.Controls.Shapes.Path();
             icon.Width = 12;

src/Views/Extensions.cs

@@ -1,12 +0,0 @@
-using Avalonia.Markup.Xaml;
-using System;
-
-namespace SourceGit.Views {
-    public class IntExtension : MarkupExtension {
-        public int Value { get; set; }
-        public IntExtension(int value) { this.Value = value; }
-        public override object ProvideValue(IServiceProvider serviceProvider) {
-            return Value;
-        }
-    }
-}

src/Views/Repository.axaml

@@ -446,7 +446,7 @@
           <TextBlock Grid.Column="0" Margin="8,0" FontWeight="Bold" Foreground="{DynamicResource Brush.FG3}" Text="{DynamicResource Text.Conflict.Tip}"/>
           <Button Grid.Column="1" Classes="flat" FontWeight="Regular" Content="{DynamicResource Text.Repository.Resolve}" Height="20" Padding="8,0" Margin="4,0" Command="{Binding GotoResolve}">
             <Button.IsVisible>
-              <Binding Path="SelectedViewIndex" Converter="{x:Static c:IntConverters.NotEqual}" ConverterParameter="{v:Int 1}"/>
+              <Binding Path="SelectedViewIndex" Converter="{x:Static c:IntConverters.IsOne}"/>
             </Button.IsVisible>
           </Button>
           <Button Grid.Column="2" Classes="flat primary" FontWeight="Regular" Content="{DynamicResource Text.Repository.Continue}" Height="20" Padding="8,0" Margin="4,0" Command="{Binding ContinueMerge}" IsVisible="{Binding !HasUnsolvedConflict}"/>

src/Views/WorkingCopy.axaml

@@ -354,6 +354,7 @@
         <Button Grid.Column="0"
                 Classes="icon_button"
                 Width="14" Height="14"
+                Click="OnOpenCommitMessagePicker"
                 ToolTip.Tip="{DynamicResource Text.WorkingCopy.MessageHistories}">
           <Path Width="14" Height="14" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.List}"/>
         </Button>

src/Views/WorkingCopy.axaml.cs

@@ -384,5 +384,14 @@ namespace SourceGit.Views {
                 if (change != null && !outs.Contains(change)) outs.Add(change);
             }
         }
+
+        private void OnOpenCommitMessagePicker(object sender, RoutedEventArgs e) {
+            if (sender is Button button && DataContext is ViewModels.WorkingCopy vm) {
+                var menu = vm.CreateContextMenuForCommitMessages();
+                menu.Placement = PlacementMode.TopEdgeAlignedLeft;
+                menu.Open(button);
+                e.Handled = true;
+            }
+        }
     }
 }