feature: add worktree support (#205)

src/Views/AddWorktree.axaml

@@ -0,0 +1,71 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:m="using:SourceGit.Models"
+             xmlns:v="using:SourceGit.Views"
+             xmlns:c="using:SourceGit.Converters"
+             xmlns:vm="using:SourceGit.ViewModels"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="SourceGit.Views.AddWorktree"
+             x:DataType="vm:AddWorktree">
+  <StackPanel Orientation="Vertical" Margin="8,0">
+    <TextBlock FontSize="18"
+               Classes="bold"
+               Text="{DynamicResource Text.AddWorktree}"/>
+    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32,Auto" ColumnDefinitions="150,*">
+      <TextBlock Grid.Row="0" Grid.Column="0"
+                 HorizontalAlignment="Right" VerticalAlignment="Center"
+                 Margin="0,0,8,0"
+                 Text="{DynamicResource Text.AddWorktree.Location}"/>
+      <TextBox Grid.Row="0" Grid.Column="1"
+               x:Name="TxtLocation"
+               Height="28"
+               CornerRadius="3"
+               Text="{Binding FullPath, Mode=TwoWay}">
+        <TextBox.InnerRightContent>
+          <Button Classes="icon_button" Width="28" Height="28" Margin="4,0,0,0" Click="SelectLocation">
+            <Path Data="{StaticResource Icons.Folder.Open}" Fill="{DynamicResource Brush.FG1}"/>
+          </Button>
+        </TextBox.InnerRightContent>
+      </TextBox>
+
+      <TextBlock Grid.Row="1" Grid.Column="0"
+                 HorizontalAlignment="Right" VerticalAlignment="Center"
+                 Margin="0,0,8,0"
+                 Text="{DynamicResource Text.AddWorktree.Name}"/>
+      <TextBox Grid.Row="1" Grid.Column="1"
+               Height="28"
+               CornerRadius="3"
+               Text="{Binding CustomName, Mode=TwoWay}"
+               Watermark="{DynamicResource Text.AddWorktree.Name.Placeholder}"/>
+
+      <CheckBox Grid.Row="2" Grid.Column="1"
+                Content="{DynamicResource Text.AddWorktree.Tracking.Toggle}"
+                IsChecked="{Binding SetTrackingBranch, Mode=TwoWay}"/>
+
+      <Border Grid.Row="3" Grid.Column="0" 
+              Height="32"
+              IsVisible="{Binding SetTrackingBranch, Mode=OneWay}">
+        <TextBlock HorizontalAlignment="Right" VerticalAlignment="Center"
+                   Margin="0,0,8,0"
+                   Text="{DynamicResource Text.AddWorktree.Tracking}"/>        
+      </Border>      
+      <ComboBox Grid.Row="3" Grid.Column="1"
+                Height="28" Padding="8,0"
+                VerticalAlignment="Center" HorizontalAlignment="Stretch"
+                ItemsSource="{Binding TrackingBranches}"
+                SelectedItem="{Binding SelectedTrackingBranch, Mode=TwoWay}"
+                IsVisible="{Binding SetTrackingBranch, Mode=OneWay}">
+        <ComboBox.ItemTemplate>
+          <DataTemplate>
+            <StackPanel Orientation="Horizontal" Height="20" VerticalAlignment="Center">
+              <Path Margin="0,0,8,0" Width="14" Height="14" Fill="{DynamicResource Brush.FG1}" Data="{StaticResource Icons.Branch}"/>
+              <TextBlock Text="{Binding}"/>
+            </StackPanel>
+          </DataTemplate>
+        </ComboBox.ItemTemplate>
+      </ComboBox>
+    </Grid>
+  </StackPanel>
+</UserControl>

src/Views/AddWorktree.axaml.cs

@@ -0,0 +1,28 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+
+namespace SourceGit.Views
+{
+    public partial class AddWorktree : UserControl
+    {
+        public AddWorktree()
+        {
+            InitializeComponent();
+        }
+
+        private async void SelectLocation(object sender, RoutedEventArgs e)
+        {
+            var options = new FolderPickerOpenOptions() { AllowMultiple = false };
+            var toplevel = TopLevel.GetTopLevel(this);
+            if (toplevel == null)
+                return;
+
+            var selected = await toplevel.StorageProvider.OpenFolderPickerAsync(options);
+            if (selected.Count == 1)
+                TxtLocation.Text = selected[0].Path.LocalPath;
+
+            e.Handled = true;
+        }
+    }
+}

src/Views/LockWorktree.axaml

@@ -0,0 +1,41 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:m="using:SourceGit.Models"
+             xmlns:vm="using:SourceGit.ViewModels"
+             xmlns:v="using:SourceGit.Views"
+             xmlns:c="using:SourceGit.Converters"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="SourceGit.Views.LockWorktree"
+             x:DataType="vm:LockWorktree">
+  <StackPanel Orientation="Vertical" Margin="8,0,0,0">
+    <TextBlock FontSize="18"
+               Classes="bold"
+               Text="{DynamicResource Text.LockWorktree}"/>
+    <Grid Margin="8,16,0,0" RowDefinitions="32,32" ColumnDefinitions="120,*">
+      <TextBlock Grid.Row="0" Grid.Column="0" 
+                 HorizontalAlignment="Right"
+                 Margin="8,0" 
+                 Text="{DynamicResource Text.LockWorktree.Target}"/>
+      <Grid Grid.Row="0" Grid.Column="1" ColumnDefinitions="Auto,*">
+        <Path Grid.Column="0" Width="12" Height="12" Data="{StaticResource Icons.Worktree}"/>
+        <TextBlock Grid.Column="1" Classes="monospace" Margin="8,0,0,0" TextTrimming="CharacterEllipsis">
+          <Run Text="{Binding Target.FullPath}"/>
+          <Run Text="{Binding Target.Name}" Foreground="{DynamicResource Brush.FG2}"/>
+        </TextBlock>
+      </Grid>
+      
+      <TextBlock Grid.Row="1" Grid.Column="0" 
+                 HorizontalAlignment="Right" 
+                 Margin="8,0" 
+                 Text="{DynamicResource Text.LockWorktree.Reason}"/>
+      <TextBox Grid.Row="1" Grid.Column="1"
+               Height="26"
+               CornerRadius="3"
+               Text="{Binding Reason, Mode=TwoWay}"
+               Watermark="{DynamicResource Text.LockWorktree.Reason.Placeholder}"
+               v:AutoFocusBehaviour.IsEnabled="True"/>
+    </Grid>
+  </StackPanel>
+</UserControl>

src/Views/LockWorktree.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace SourceGit.Views
+{
+    public partial class LockWorktree : UserControl
+    {
+        public LockWorktree()
+        {
+            InitializeComponent();
+        }
+    }
+}

src/Views/PruneWorktrees.axaml

@@ -0,0 +1,15 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="SourceGit.Views.PruneWorktrees">
+  <StackPanel Orientation="Vertical" Margin="8,0">
+    <TextBlock FontSize="18"
+               Classes="bold"
+               Text="{DynamicResource Text.PruneWorktrees}"/>
+    <TextBlock Text="{DynamicResource Text.PruneWorktrees.Tip}"
+               Margin="0,16,0,0"
+               HorizontalAlignment="Center"/>
+  </StackPanel>
+</UserControl>

src/Views/PruneWorktrees.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace SourceGit.Views
+{
+    public partial class PruneWorktrees : UserControl
+    {
+        public PruneWorktrees()
+        {
+            InitializeComponent();
+        }
+    }
+}

src/Views/RemoveWorktree.axaml

@@ -0,0 +1,34 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:m="using:SourceGit.Models"
+             xmlns:vm="using:SourceGit.ViewModels"
+             xmlns:v="using:SourceGit.Views"
+             xmlns:c="using:SourceGit.Converters"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="SourceGit.Views.RemoveWorktree"
+             x:DataType="vm:RemoveWorktree">
+  <StackPanel Orientation="Vertical" Margin="8,0,0,0">
+    <TextBlock FontSize="18"
+               Classes="bold"
+               Text="{DynamicResource Text.RemoveWorktree}"/>
+    <Grid Margin="8,16,0,0" RowDefinitions="32,32" ColumnDefinitions="120,*">
+      <TextBlock Grid.Row="0" Grid.Column="0"
+                 HorizontalAlignment="Right"
+                 Margin="8,0"
+                 Text="{DynamicResource Text.RemoveWorktree.Target}"/>
+      <Grid Grid.Row="0" Grid.Column="1" ColumnDefinitions="Auto,*">
+        <Path Grid.Column="0" Width="12" Height="12" Data="{StaticResource Icons.Worktree}"/>
+        <TextBlock Grid.Column="1" Classes="monospace" Margin="8,0,0,0" TextTrimming="CharacterEllipsis">
+          <Run Text="{Binding Target.FullPath}"/>
+          <Run Text="{Binding Target.Name}" Foreground="{DynamicResource Brush.FG2}"/>
+        </TextBlock>
+      </Grid>
+
+      <CheckBox Grid.Row="1" Grid.Column="1"
+                Content="{DynamicResource Text.RemoveWorktree.Force}"
+                IsChecked="{Binding Force, Mode=TwoWay}"/>
+    </Grid>
+  </StackPanel>
+</UserControl>

src/Views/RemoveWorktree.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace SourceGit.Views
+{
+    public partial class RemoveWorktree : UserControl
+    {
+        public RemoveWorktree()
+        {
+            InitializeComponent();
+        }
+    }
+}

src/Views/Repository.axaml

@@ -119,7 +119,7 @@
         </Grid>
         
         <!-- Dashboard -->
-        <Grid Grid.Row="1" Margin="0,0,0,8" RowDefinitions="Auto,Auto,28,Auto,28,*,28,Auto,28,Auto" IsVisible="{Binding !IsSearching}">
+        <Grid Grid.Row="1" Margin="0,0,0,8" RowDefinitions="Auto,Auto,28,Auto,28,*,28,Auto,28,Auto,28,Auto" IsVisible="{Binding !IsSearching}">
           <!-- Page Switcher for Right Panel -->
           <Border Grid.Row="0" Margin="8,0,4,0" BorderThickness="1" BorderBrush="{DynamicResource Brush.Border2}" CornerRadius="6">
             <Border CornerRadius="6" ClipToBounds="True">
@@ -463,7 +463,7 @@
                       Command="{Binding UpdateSubmodules}"
                       IsVisible="{Binding Submodules, Converter={x:Static c:ListConverters.IsNotNullOrEmpty}}"
                       ToolTip.Tip="{DynamicResource Text.Repository.Submodules.Update}">
-                <Path x:Name="iconSubmoduleUpdate" Width="12" Height="12" Data="{StaticResource Icons.Loading}"/>
+                <Path Width="12" Height="12" Data="{StaticResource Icons.Loading}"/>
               </Button>
               <Button Grid.Column="3"
                       Classes="icon_button"
@@ -531,6 +531,96 @@
               </DataGridTemplateColumn>
             </DataGrid.Columns>
           </DataGrid>
+
+          <!-- Worktrees -->
+          <ToggleButton Grid.Row="10" Classes="group_expander" IsChecked="{Binding IsWorktreeGroupExpanded, Mode=TwoWay}">
+            <Grid ColumnDefinitions="Auto,*,Auto,Auto">
+              <TextBlock Grid.Column="0" Classes="group_header_label" Margin="0" Text="{DynamicResource Text.Repository.Worktrees}"/>
+              <TextBlock Grid.Column="1" Text="{Binding Worktrees, Converter={x:Static c:ListConverters.ToCount}}" Foreground="{DynamicResource Brush.FG2}" FontWeight="Bold"/>
+              <Button Grid.Column="2"
+                      Classes="icon_button"
+                      Width="14"
+                      Margin="8,0"
+                      Command="{Binding PruneWorktrees}"
+                      IsVisible="{Binding Worktrees, Converter={x:Static c:ListConverters.IsNotNullOrEmpty}}"
+                      ToolTip.Tip="{DynamicResource Text.Repository.Worktrees.Prune}">
+                <Path x:Name="icon" Width="12" Height="12" Data="{StaticResource Icons.Loading}"/>
+              </Button>
+              <Button Grid.Column="3"
+                      Classes="icon_button"
+                      Width="14"
+                      Margin="0,0,8,0"
+                      Command="{Binding AddWorktree}"
+                      ToolTip.Tip="{DynamicResource Text.Repository.Worktrees.Add}">
+                <Path Width="12" Height="12" Data="{StaticResource Icons.Worktree.Add}"/>
+              </Button>
+            </Grid>
+          </ToggleButton>
+          <DataGrid Grid.Row="11"
+                    MaxHeight="200"
+                    Margin="8,0,4,0"
+                    Background="Transparent"
+                    ItemsSource="{Binding Worktrees}"
+                    SelectionMode="Single"
+                    CanUserReorderColumns="False"
+                    CanUserResizeColumns="False"
+                    CanUserSortColumns="False"
+                    IsReadOnly="True"
+                    HeadersVisibility="None"
+                    Focusable="False"
+                    RowHeight="26"
+                    HorizontalScrollBarVisibility="Disabled"
+                    VerticalScrollBarVisibility="Auto"
+                    ContextRequested="OnWorktreeContextRequested"
+                    DoubleTapped="OnDoubleTappedWorktree"
+                    IsVisible="{Binding IsWorktreeGroupExpanded, Mode=OneWay}">
+            <DataGrid.Styles>
+              <Style Selector="DataGridRow">
+                <Setter Property="CornerRadius" Value="4" />
+              </Style>
+
+              <Style Selector="DataGridRow /template/ Border#RowBorder">
+                <Setter Property="ClipToBounds" Value="True" />
+              </Style>
+
+              <Style Selector="DataGridRow:pointerover /template/ Rectangle#BackgroundRectangle">
+                <Setter Property="Fill" Value="{DynamicResource Brush.AccentHovered}" />
+              </Style>
+
+              <Style Selector="DataGridRow:selected /template/ Rectangle#BackgroundRectangle">
+                <Setter Property="Fill" Value="{DynamicResource Brush.Accent}" />
+              </Style>
+            </DataGrid.Styles>
+
+            <DataGrid.Columns>
+              <DataGridTemplateColumn Header="ICON">
+                <DataGridTemplateColumn.CellTemplate>
+                  <DataTemplate>
+                    <Path Width="10" Height="10" Margin="8,0,0,0" Data="{StaticResource Icons.Worktree}"/>
+                  </DataTemplate>
+                </DataGridTemplateColumn.CellTemplate>
+              </DataGridTemplateColumn>
+
+              <DataGridTemplateColumn Width="*" Header="FullPath">
+                <DataGridTemplateColumn.CellTemplate>
+                  <DataTemplate>
+                    <TextBlock Classes="monospace" Margin="8,0,0,0" TextTrimming="CharacterEllipsis">
+                      <Run Text="{Binding FullPath}"/>
+                      <Run Text="{Binding Name}" Foreground="{DynamicResource Brush.FG2}"/>
+                    </TextBlock>
+                  </DataTemplate>
+                </DataGridTemplateColumn.CellTemplate>
+              </DataGridTemplateColumn>
+
+              <DataGridTemplateColumn Header="FullPath">
+                <DataGridTemplateColumn.CellTemplate>
+                  <DataTemplate>
+                    <Path Width="10" Height="10" Margin="4,0,8,0" Data="{StaticResource Icons.Lock}" Fill="{DynamicResource Brush.FG2}" IsVisible="{Binding IsLocked}"/>
+                  </DataTemplate>
+                </DataGridTemplateColumn.CellTemplate>
+              </DataGridTemplateColumn>
+            </DataGrid.Columns>
+          </DataGrid>
         </Grid>
 
         <!-- Commit Search Panel -->

src/Views/Repository.axaml.cs

@@ -315,6 +315,40 @@ namespace SourceGit.Views
             e.Handled = true;
         }
 
+        private void OnDoubleTappedSubmodule(object sender, TappedEventArgs e)
+        {
+            if (sender is DataGrid datagrid && datagrid.SelectedItem != null && DataContext is ViewModels.Repository repo)
+            {
+                var submodule = datagrid.SelectedItem as string;
+                (DataContext as ViewModels.Repository).OpenSubmodule(submodule);
+            }
+
+            e.Handled = true;
+        }
+
+        private void OnWorktreeContextRequested(object sender, ContextRequestedEventArgs e)
+        {
+            if (sender is DataGrid datagrid && datagrid.SelectedItem != null && DataContext is ViewModels.Repository repo)
+            {
+                var worktree = datagrid.SelectedItem as Models.Worktree;
+                var menu = repo.CreateContextMenuForWorktree(worktree);
+                datagrid.OpenContextMenu(menu);
+            }
+
+            e.Handled = true;
+        }
+
+        private void OnDoubleTappedWorktree(object sender, TappedEventArgs e)
+        {
+            if (sender is DataGrid datagrid && datagrid.SelectedItem != null && DataContext is ViewModels.Repository repo)
+            {
+                var worktree = datagrid.SelectedItem as Models.Worktree;
+                (DataContext as ViewModels.Repository).OpenWorktree(worktree);
+            }
+
+            e.Handled = true;
+        }
+
         private void CollectBranchesFromNode(List<Models.Branch> outs, ViewModels.BranchTreeNode node)
         {
             if (node == null || node.IsRemote)
@@ -332,16 +366,5 @@ namespace SourceGit.Views
                     outs.Add(b);
             }
         }
-
-        private void OnDoubleTappedSubmodule(object sender, TappedEventArgs e)
-        {
-            if (sender is DataGrid datagrid && datagrid.SelectedItem != null && DataContext is ViewModels.Repository repo)
-            {
-                var submodule = datagrid.SelectedItem as string;
-                (DataContext as ViewModels.Repository).OpenSubmodule(submodule); 
-            }
-
-            e.Handled = true;
-        }
     }
 }