feature: allow user to select the chart fill color

src/Models/Statistics.cs

@@ -103,7 +103,7 @@ namespace SourceGit.Models
                 {
                     Values = samples,
                     Stroke = null,
-                    Fill = new SolidColorPaint(SKColors.Green),
+                    Fill = null,
                     Padding = 1,
                 }
             );
@@ -117,6 +117,12 @@ namespace SourceGit.Models
             _mapSamples.Clear();
         }
 
+        public void ChangeColor(uint color)
+        {
+            if (Series is [ColumnSeries<DateTimePoint> series])
+                series.Fill = new SolidColorPaint(new SKColor(color));
+        }
+
         private StaticsticsMode _mode = StaticsticsMode.All;
         private Dictionary<string, int> _mapUsers = new Dictionary<string, int>();
         private Dictionary<DateTime, int> _mapSamples = new Dictionary<DateTime, int>();

src/Resources/Icons.axaml

@@ -14,6 +14,7 @@
   <StreamGeometry x:Key="Icons.Clean">M797 829a49 49 0 1049 49 49 49 0 00-49-49zm147-114A49 49 0 10992 764a49 49 0 00-49-49zM928 861a49 49 0 1049 49A49 49 0 00928 861zm-5-586L992 205 851 64l-71 71a67 67 0 00-94 0l235 235a67 67 0 000-94zm-853 128a32 32 0 00-32 50 1291 1291 0 0075 112L288 552c20 0 25 21 8 37l-93 86a1282 1282 0 00120 114l100-32c19-6 28 15 14 34l-40 55c26 19 53 36 82 53a89 89 0 00115-20 1391 1391 0 00256-485l-188-188s-306 224-595 198z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Clone">M1280 704c0 141-115 256-256 256H288C129 960 0 831 0 672c0-126 80-232 192-272A327 327 0 01192 384c0-177 143-320 320-320 119 0 222 64 277 160C820 204 857 192 896 192c106 0 192 86 192 192 0 24-5 48-13 69C1192 477 1280 580 1280 704zm-493-128H656V352c0-18-14-32-32-32h-96c-18 0-32 14-32 32v224h-131c-29 0-43 34-23 55l211 211c12 12 33 12 45 0l211-211c20-20 6-55-23-55z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Code">M853 102H171C133 102 102 133 102 171v683C102 891 133 922 171 922h683C891 922 922 891 922 853V171C922 133 891 102 853 102zM390 600l-48 48L205 512l137-137 48 48L301 512l88 88zM465 819l-66-18L559 205l66 18L465 819zm218-171L634 600 723 512l-88-88 48-48L819 512 683 649z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.ColorPicker">M731 331c-28-28-43-27-64-130s-95-136-176-136C244 65 64 265 64 512a447 447 0 00448 447c247 0 450-165 448-412-2-224-186-173-229-215zM246 467a57 57 0 1157 57 57 57 0 01-57-57zm125 215a45 45 0 1145-45 45 45 0 01-45 45zm34-310a71 71 0 1171-71 71 71 0 01-71 71z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Commit">M796 471A292 292 0 00512 256a293 293 0 00-284 215H0v144h228A293 293 0 00512 832a291 291 0 00284-217H1024V471h-228M512 688A146 146 0 01366 544A145 145 0 01512 400c80 0 146 63 146 144A146 146 0 01512 688</StreamGeometry>
   <StreamGeometry x:Key="Icons.Compare">M645 448l64 64 220-221L704 64l-64 64 115 115H128v90h628zM375 576l-64-64-220 224L314 960l64-64-116-115H896v-90H262z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Conflict">M608 0q48 0 88 23t63 63 23 87v70h55q35 0 67 14t57 38 38 57 14 67V831q0 34-14 66t-38 57-57 38-67 13H426q-34 0-66-13t-57-38-38-57-14-66v-70h-56q-34 0-66-14t-57-38-38-57-13-67V174q0-47 23-87T109 23 196 0h412m175 244H426q-46 0-86 22T278 328t-26 85v348H608q47 0 86-22t63-62 25-85l1-348m-269 318q18 0 31 13t13 31-13 31-31 13-31-13-13-31 13-31 31-13m0-212q13 0 22 9t11 22v125q0 14-9 23t-22 10-23-7-11-22l-1-126q0-13 10-23t23-10z</StreamGeometry>

src/ViewModels/Preference.cs

@@ -337,6 +337,12 @@ namespace SourceGit.ViewModels
             }
         }
 
+        public uint StatisticsSampleColor
+        {
+            get => _statisticsSampleColor;
+            set => SetProperty(ref _statisticsSampleColor, value);
+        }
+
         public List<RepositoryNode> RepositoryNodes
         {
             get;
@@ -621,5 +627,7 @@ namespace SourceGit.ViewModels
         private int _shellOrTerminal = -1;
         private int _externalMergeToolType = 0;
         private string _externalMergeToolPath = string.Empty;
+
+        private uint _statisticsSampleColor = 0xFF00FF00;
     }
 }

src/ViewModels/Statistics.cs

@@ -47,18 +47,12 @@ namespace SourceGit.ViewModels
             if (_data == null)
                 return;
 
-            switch (_selectedIndex)
+            SelectedReport = _selectedIndex switch
             {
-                case 0:
+                0 => _data.All,
-                    SelectedReport = _data.All;
+                1 => _data.Month,
-                    break;
+                _ => _data.Week,
-                case 1:
+            };
-                    SelectedReport = _data.Month;
-                    break;
-                default:
-                    SelectedReport = _data.Week;
-                    break;
-            }
         }
 
         private bool _isLoading = true;

src/Views/Statistics.axaml

@@ -185,7 +185,25 @@
             </Grid>
 
             <!-- Graph -->
-            <lvc:CartesianChart Grid.Column="1" Margin="16" Series="{Binding Series}" XAxes="{Binding XAxes}" YAxes="{Binding YAxes}" ZoomMode="X"/>
+            <Grid Grid.Column="1" RowDefinitions="28,*" Margin="16,0">
+              <Button Grid.Row="0" Background="Transparent" BorderThickness="0" HorizontalAlignment="Center">
+                <Button.Flyout>
+                  <Flyout>
+                    <Border Padding="8">
+                      <v:ColorPicker Value="{Binding #ThisControl.SampleFillColor, Mode=TwoWay}"/>
+                    </Border>
+                  </Flyout>
+                </Button.Flyout>
+                
+                <Path Width="20" Height="20" Data="{StaticResource Icons.ColorPicker}" Fill="{Binding #ThisControl.SampleFillBrush}"/>
+              </Button>
+              
+              <lvc:CartesianChart Grid.Row="1"
+                                  Series="{Binding Series}"
+                                  XAxes="{Binding XAxes}" YAxes="{Binding YAxes}"
+                                  ZoomMode="X"
+                                  DataContextChanged="OnReportChanged"/>
+            </Grid>
           </Grid>
         </DataTemplate>
       </ContentControl.DataTemplates>

src/Views/Statistics.axaml.cs

@@ -1,17 +1,65 @@
+using Avalonia;
 using Avalonia.Input;
+using Avalonia.Media;
 
 namespace SourceGit.Views
 {
     public partial class Statistics : ChromelessWindow
     {
+        public static readonly StyledProperty<uint> SampleFillColorProperty =
+            AvaloniaProperty.Register<Statistics, uint>(nameof(SampleFillColor));
+
+        public uint SampleFillColor
+        {
+            get => GetValue(SampleFillColorProperty);
+            set => SetValue(SampleFillColorProperty, value);
+        }
+
+        public static readonly StyledProperty<IBrush> SampleFillBrushProperty =
+            AvaloniaProperty.Register<Statistics, IBrush>(nameof(SampleFillBrush), Brushes.Transparent);
+
+        public IBrush SampleFillBrush
+        {
+            get => GetValue(SampleFillBrushProperty);
+            set => SetValue(SampleFillBrushProperty, value);
+        }
+
         public Statistics()
         {
+            SampleFillColor = ViewModels.Preference.Instance.StatisticsSampleColor;
+            SampleFillBrush = new SolidColorBrush(SampleFillColor);
             InitializeComponent();
         }
 
+        protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+        {
+            base.OnPropertyChanged(change);
+
+            if (change.Property == SampleFillColorProperty)
+                ChangeColor(SampleFillColor);
+        }
+
         private void BeginMoveWindow(object _, PointerPressedEventArgs e)
         {
             BeginMoveDrag(e);
         }
+
+        private void OnReportChanged(object sender, System.EventArgs e)
+        {
+            if (DataContext is ViewModels.Statistics { SelectedReport: Models.StatisticsReport report })
+                report.ChangeColor(SampleFillColor);
+        }
+
+        private void ChangeColor(uint color)
+        {
+            if (color != ViewModels.Preference.Instance.StatisticsSampleColor)
+            {
+                ViewModels.Preference.Instance.StatisticsSampleColor = color;
+                SetCurrentValue(SampleFillBrushProperty, new SolidColorBrush(color));
+
+                if (DataContext is ViewModels.Statistics { SelectedReport: Models.StatisticsReport report })
+                    report.ChangeColor(color);
+            }
+        }
     }
 }