sourcegit/src/Views/Widgets/WorkingCopyChanges.xaml

<UserControl x:Class="SourceGit.Views.Widgets.WorkingCopyChanges"
             x:Name="me"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:controls="clr-namespace:SourceGit.Views.Controls"
             xmlns:converters="clr-namespace:SourceGit.Views.Converters"
             xmlns:models="clr-namespace:SourceGit.Models"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <UserControl.Resources>
        <converters:PureFileName x:Key="PureFileName"/>
        <converters:PureFolderName x:Key="PureFolderName"/>
        <Style x:Key="Style.DataGridRow.Change" TargetType="{x:Type DataGridRow}" BasedOn="{StaticResource Style.DataGridRow}">
            <EventSetter Event="RequestBringIntoView" Handler="OnRequestBringIntoView"/>
            <EventSetter Event="ContextMenuOpening" Handler="OnDataGridContextMenuOpening"/>
        </Style>
    </UserControl.Resources>
    
    <Grid>
        <controls:Tree
            x:Name="modeTree"
            FontFamily="Consolas"
            MultiSelection="True"
            ItemsSource="{Binding ElementName=me, Path=Nodes}"
            SelectionChanged="OnTreeSelectionChanged"
            Visibility="Visible">
            <TreeView.Resources>
                <RoutedUICommand x:Key="SelectWholeTreeCommand" Text="SelectWholeTree"/>
                <RoutedUICommand x:Key="StageChangeCommand" Text="StageChange"/>
            </TreeView.Resources>

            <TreeView.InputBindings>
                <KeyBinding Key="A" Modifiers="Ctrl" Command="{StaticResource SelectWholeTreeCommand}"/>
                <KeyBinding Key="Space" Command="{StaticResource StageChangeCommand}"/>
            </TreeView.InputBindings>

            <TreeView.CommandBindings>
                <CommandBinding Command="{StaticResource SelectWholeTreeCommand}" Executed="SelectWholeTree"/>
                <CommandBinding Command="{StaticResource StageChangeCommand}" Executed="StageChange"/>
            </TreeView.CommandBindings>
            
            <controls:Tree.ItemContainerStyle>
                <Style TargetType="{x:Type controls:TreeItem}" BasedOn="{StaticResource Style.TreeItem}">
                    <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
                    <EventSetter Event="ContextMenuOpening" Handler="OnTreeContextMenuOpening"/>
                </Style>
            </controls:Tree.ItemContainerStyle>

            <controls:Tree.ItemTemplate>
                <HierarchicalDataTemplate ItemsSource="{Binding Children}">
                    <Grid Height="24">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="18"/>
                            <ColumnDefinition Width="*"/>
                        </Grid.ColumnDefinitions>

                        <controls:ChangeStatusIcon
                            Grid.Column="0"
                            Width="14" Height="14"
                            IsLocalChange="{Binding ElementName=me, Path=IsUnstaged}" 
                            Change="{Binding Change}"/>

                        <Path
                            Grid.Column="0"
                            x:Name="IconFolder" 
                            Width="14" Height="14"
                            Fill="Goldenrod"
                            Data="{StaticResource Icon.Folder.Fill}"/>

                        <TextBlock
                            Grid.Column="1" 
                            Text="{Binding Path, Converter={StaticResource PureFileName}}" 
                            Margin="4,0,0,0" 
                            FontSize="9pt"/>
                    </Grid>

                    <HierarchicalDataTemplate.Triggers>
                        <DataTrigger Binding="{Binding IsFolder}" Value="False">
                            <Setter TargetName="IconFolder" Property="Visibility" Value="Collapsed"/>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding IsExpanded}" Value="True">
                            <Setter TargetName="IconFolder" Property="Data" Value="{StaticResource Icon.Folder.Open}"/>
                        </DataTrigger>
                    </HierarchicalDataTemplate.Triggers>
                </HierarchicalDataTemplate>
            </controls:Tree.ItemTemplate>
        </controls:Tree>

        <DataGrid
            x:Name="modeList"
            RowHeight="24"
            SelectionMode="Extended"
            SelectionUnit="FullRow"
            SelectionChanged="OnListSelectionChanged"
            SizeChanged="OnListSizeChanged"
            ItemsSource="{Binding ElementName=me, Path=Changes}"
            RowStyle="{StaticResource Style.DataGridRow.Change}"
            Visibility="Collapsed">
            <DataGrid.Columns>
                <DataGridTemplateColumn Width="22" IsReadOnly="True">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate DataType="{x:Type models:Change}">
                            <controls:ChangeStatusIcon Width="14" Height="14" IsLocalChange="{Binding ElementName=me, Path=IsUnstaged}" Change="{Binding}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
                <DataGridTemplateColumn IsReadOnly="True" Width="SizeToCells">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock FontFamily="Consolas" Margin="2,0,0,0" Text="{Binding Path}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
            </DataGrid.Columns>
        </DataGrid>

        <DataGrid
            x:Name="modeGrid"
            RowHeight="24"
            SelectionMode="Extended"
            SelectionUnit="FullRow"
            SelectionChanged="OnGridSelectionChanged"
            SizeChanged="OnGridSizeChanged"
            ItemsSource="{Binding ElementName=me, Path=Changes}"
            RowStyle="{StaticResource Style.DataGridRow.Change}"
            Visibility="Collapsed">
            <DataGrid.Columns>
                <DataGridTemplateColumn Width="22" IsReadOnly="True">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <controls:ChangeStatusIcon Width="14" Height="14" IsLocalChange="{Binding ElementName=me, Path=IsUnstaged}" Change="{Binding}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
                <DataGridTemplateColumn IsReadOnly="True" Width="SizeToCells">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock FontFamily="Consolas" Margin="2,0,0,0" Text="{Binding Path, Converter={StaticResource PureFileName}}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
                <DataGridTemplateColumn IsReadOnly="True" Width="SizeToCells">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <TextBlock FontFamily="Consolas" Margin="8,0,0,0" Text="{Binding Path, Converter={StaticResource PureFolderName}}" Foreground="{StaticResource Brush.FG2}"/>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>
            </DataGrid.Columns>
        </DataGrid>
    </Grid>
</UserControl>