sourcegit/src/UI/WorkingCopy.xaml

<UserControl x:Class="SourceGit.UI.WorkingCopy"
             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:source="clr-namespace:SourceGit"
             xmlns:local="clr-namespace:SourceGit.UI"
             xmlns:helpers="clr-namespace:SourceGit.Helpers"
             xmlns:converters="clr-namespace:SourceGit.Converters"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">

    <UserControl.Resources>
        <converters:BoolToCollapsed x:Key="BoolToCollapsed"/>
        <converters:InverseBoolToCollapsed x:Key="InverseBoolToCollapsed"/>
        <converters:FileStatusToColor x:Key="UnstagedStatusConverter" OnlyWorkTree="True"/>
        <converters:FileStatusToIcon x:Key="UnstagedStatusIconConverter" OnlyWorkTree="True"/>
        <converters:FileStatusToColor x:Key="StagedStatusConverter"/>
        <converters:FileStatusToIcon x:Key="StagedStatusIconConverter"/>
    </UserControl.Resources>

    <Grid Background="{StaticResource Brush.BG3}">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="300"/>
            <ColumnDefinition Width="1"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>

        <!-- Left -->
        <Grid Grid.Column="0">
            <Grid.RowDefinitions>
                <RowDefinition Height="*"/>
                <RowDefinition Height="1"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>

            <!-- Unstaged changes -->
            <Grid Grid.Row="0">
                <Grid.RowDefinitions>
                    <RowDefinition Height="24"/>
                    <RowDefinition Height="*"/>
                </Grid.RowDefinitions>

                <Grid Grid.Row="0" >
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition Width="*"/>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition Width="Auto"/>
                    </Grid.ColumnDefinitions>

                    <ToggleButton 
                        Grid.Column="0" 
                        x:Name="toggleUnstangedMode"
                        Margin="4,0,4,0" 
                        ToolTip="SWITCH TO LIST/TREE VIEW"
                        Style="{StaticResource Style.ToggleButton.ListOrTree}" 
                        IsChecked="{Binding Source={x:Static source:App.Preference}, Path=UIUseListInUnstaged, Mode=TwoWay}"/>
                    <Label Grid.Column="1" Content="UNSTAGED" FontWeight="Bold" Foreground="{StaticResource Brush.FG}" Opacity=".4"/>
                    <Button Grid.Column="3" Click="Stage" Margin="4,0" ToolTip="STAGE" Background="Transparent">
                        <Path Width="14" Height="14" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.Down}" Opacity=".4"/>
                    </Button>
                    <Button Grid.Column="4" Click="StageAll" Margin="4,0" ToolTip="STAGE ALL" Background="Transparent">
                        <Path Width="14" Height="14" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.DoubleDown}" Opacity=".4"/>
                    </Button>
                </Grid>

                <TreeView 
                    Grid.Row="1" 
                    x:Name="unstagedTree" 
                    Background="{StaticResource Brush.BG2}"
                    Visibility="{Binding ElementName=toggleUnstangedMode, Path=IsChecked, Converter={StaticResource InverseBoolToCollapsed}}"
                    FontFamily="Consolas" 
                    PreviewMouseWheel="TreeMouseWheel"
                    helpers:TreeViewHelper.EnableMultiSelection="True"
                    helpers:TreeViewHelper.MultiSelectionChanged="UnstagedTreeMultiSelectionChanged">
                    <TreeView.Resources>
                        <RoutedUICommand x:Key="SelectWholeTreeCommand" Text="SelectWholeTree"/>
                    </TreeView.Resources>

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

                    <TreeView.CommandBindings>
                        <CommandBinding Command="{StaticResource SelectWholeTreeCommand}" Executed="SelectWholeTree"/>
                    </TreeView.CommandBindings>

                    <TreeView.ItemContainerStyle>
                        <Style TargetType="{x:Type TreeViewItem}" BasedOn="{StaticResource Style.TreeView.MultiSelectionItemContainerStyle}">
                            <Setter Property="IsExpanded" Value="{Binding IsNodeExpanded, Mode=TwoWay}"/>
                            <EventSetter Event="ContextMenuOpening" Handler="UnstagedTreeContextMenuOpening"/>
                        </Style>
                    </TreeView.ItemContainerStyle>
                    <TreeView.ItemTemplate>
                        <HierarchicalDataTemplate ItemsSource="{Binding Children}">
                            <StackPanel Orientation="Horizontal" Height="24">
                                <Border x:Name="status" Width="14" Height="14" Visibility="Collapsed" Background="{Binding Change, Converter={StaticResource UnstagedStatusConverter}}" CornerRadius="2" Margin="0,0,4,0">
                                    <TextBlock Text="{Binding Change, Converter={StaticResource UnstagedStatusIconConverter}}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" FontSize="10" RenderOptions.BitmapScalingMode="HighQuality"/>
                                </Border>
                                <Path x:Name="icon" Width="14" Style="{StaticResource Style.Icon}" Fill="Goldenrod" Data="{StaticResource Icon.Folder.Fill}"/>
                                <TextBlock Text="{Binding Name}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" Margin="4,0,0,0" FontSize="11"/>
                            </StackPanel>

                            <HierarchicalDataTemplate.Triggers>
                                <DataTrigger Binding="{Binding IsFile}" Value="True">
                                    <Setter TargetName="status" Property="Visibility" Value="Visible"/>
                                    <Setter TargetName="icon" Property="Visibility" Value="Collapsed"/>
                                </DataTrigger>
                                <MultiDataTrigger>
                                    <MultiDataTrigger.Conditions>
                                        <Condition Binding="{Binding IsFile}" Value="False"/>
                                        <Condition Binding="{Binding IsNodeExpanded}" Value="True"/>
                                    </MultiDataTrigger.Conditions>
                                    <Setter TargetName="icon" Property="Data" Value="{StaticResource Icon.Folder.Open}"/>
                                </MultiDataTrigger>
                            </HierarchicalDataTemplate.Triggers>
                        </HierarchicalDataTemplate>
                    </TreeView.ItemTemplate>
                </TreeView>

                <DataGrid
                    Grid.Row="1"
                    x:Name="unstagedList"
                    Visibility="{Binding ElementName=toggleUnstangedMode, Path=IsChecked, Converter={StaticResource BoolToCollapsed}}"
                    RowHeight="24"
                    SelectionChanged="UnstagedListSelectionChanged"
                    SelectionMode="Extended"
                    SelectionUnit="FullRow"
                    Background="{StaticResource Brush.BG2}">
                    <DataGrid.Resources>
                        <Style x:Key="Style.DataGridText.VerticalCenter" TargetType="{x:Type TextBlock}">
                            <Setter Property="VerticalAlignment" Value="Center"/>
                        </Style>

                        <RoutedUICommand x:Key="SelectWholeDataGridCommand" Text="SelectWholeDataGrid"/>
                    </DataGrid.Resources>

                    <DataGrid.InputBindings>
                        <KeyBinding Key="A" Modifiers="Ctrl" Command="{StaticResource SelectWholeDataGridCommand}"/>
                    </DataGrid.InputBindings>

                    <DataGrid.CommandBindings>
                        <CommandBinding Command="{StaticResource SelectWholeDataGridCommand}" Executed="SelectWholeDataGrid"/>
                    </DataGrid.CommandBindings>

                    <DataGrid.Columns>
                        <DataGridTemplateColumn Width="22">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <Border Width="14" Height="14" x:Name="status" Background="{Binding ., Converter={StaticResource UnstagedStatusConverter}}" CornerRadius="2" Margin="2,0,4,0">
                                        <TextBlock Text="{Binding ., Converter={StaticResource UnstagedStatusIconConverter}}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" FontSize="8"/>
                                    </Border>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTextColumn Width="*" Binding="{Binding Path}" Foreground="{StaticResource Brush.FG}" FontFamily="Consolas" ElementStyle="{StaticResource Style.DataGridText.VerticalCenter}"/>
                    </DataGrid.Columns>

                    <DataGrid.RowStyle>
                        <Style TargetType="{x:Type DataGridRow}" BasedOn="{StaticResource Style.DataGridRow}">
                            <EventSetter Event="ContextMenuOpening" Handler="UnstagedListContextMenuOpening"/>
                        </Style>
                    </DataGrid.RowStyle>
                </DataGrid>
            </Grid>

            <!-- Splitter -->
            <GridSplitter Grid.Row="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="Transparent"/>

            <!-- Staged changes -->
            <Grid Grid.Row="2">
                <Grid.RowDefinitions>
                    <RowDefinition Height="24"/>
                    <RowDefinition Height="*"/>
                </Grid.RowDefinitions>

                <Grid Grid.Row="0" >
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition Width="*"/>
                        <ColumnDefinition Width="Auto"/>
                        <ColumnDefinition Width="Auto"/>
                    </Grid.ColumnDefinitions>

                    <ToggleButton
                        Grid.Column="0" 
                        x:Name="toggleStagedMode"
                        Margin="4,0,4,0"
                        ToolTip="SWITCH TO LIST/TREE VIEW"
                        Style="{StaticResource Style.ToggleButton.ListOrTree}"
                        IsChecked="{Binding Source={x:Static source:App.Preference}, Path=UIUseListInStaged, Mode=TwoWay}"/>
                    <Label Grid.Column="1" Content="STAGED" FontWeight="Bold" Foreground="{StaticResource Brush.FG}"  Opacity=".4"/>
                    <Button Grid.Column="3" Click="Unstage" ToolTip="UNSTAGE" Margin="4,0" Background="Transparent">
                        <Path Width="14" Height="14" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.Up}" Opacity=".4"/>
                    </Button>
                    <Button Grid.Column="4" Click="UnstageAll" ToolTip="UNSTAGE ALL" Margin="4,0" Background="Transparent">
                        <Path Width="14" Height="14" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.DoubleUp}" Opacity=".4"/>
                    </Button>
                </Grid>

                <TreeView
                    Grid.Row="1" 
                    x:Name="stageTree" 
                    Background="{StaticResource Brush.BG2}"
                    Visibility="{Binding ElementName=toggleStagedMode, Path=IsChecked, Converter={StaticResource InverseBoolToCollapsed}}"
                    FontFamily="Consolas" 
                    PreviewMouseWheel="TreeMouseWheel"
                    helpers:TreeViewHelper.EnableMultiSelection="True"
                    helpers:TreeViewHelper.MultiSelectionChanged="StageTreeMultiSelectionChanged">
                    <TreeView.Resources>
                        <RoutedUICommand x:Key="SelectWholeTreeCommand" Text="SelectWholeTree"/>
                    </TreeView.Resources>

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

                    <TreeView.CommandBindings>
                        <CommandBinding Command="{StaticResource SelectWholeTreeCommand}" Executed="SelectWholeTree"/>
                    </TreeView.CommandBindings>

                    <TreeView.ItemContainerStyle>
                        <Style TargetType="{x:Type TreeViewItem}" BasedOn="{StaticResource Style.TreeView.MultiSelectionItemContainerStyle}">
                            <Setter Property="IsExpanded" Value="{Binding IsNodeExpanded, Mode=TwoWay}"/>
                            <EventSetter Event="ContextMenuOpening" Handler="StageTreeContextMenuOpening"/>
                        </Style>
                    </TreeView.ItemContainerStyle>
                    <TreeView.ItemTemplate>
                        <HierarchicalDataTemplate ItemsSource="{Binding Children}">
                            <StackPanel Orientation="Horizontal" Height="24">
                                <Border x:Name="status" Width="14" Height="14" Visibility="Collapsed" Background="{Binding Change, Converter={StaticResource StagedStatusConverter}}" CornerRadius="2" Margin="0,0,4,0">
                                    <TextBlock Text="{Binding Change, Converter={StaticResource StagedStatusIconConverter}}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" FontSize="10" RenderOptions.BitmapScalingMode="HighQuality"/>
                                </Border>
                                <Path x:Name="icon" Width="14" Style="{StaticResource Style.Icon}" Fill="Goldenrod" Data="{StaticResource Icon.Folder.Fill}"/>
                                <TextBlock Text="{Binding Name}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" Margin="4,0,0,0" FontSize="11"/>
                            </StackPanel>

                            <HierarchicalDataTemplate.Triggers>
                                <DataTrigger Binding="{Binding IsFile}" Value="True">
                                    <Setter TargetName="status" Property="Visibility" Value="Visible"/>
                                    <Setter TargetName="icon" Property="Visibility" Value="Collapsed"/>
                                </DataTrigger>
                                <MultiDataTrigger>
                                    <MultiDataTrigger.Conditions>
                                        <Condition Binding="{Binding IsFile}" Value="False"/>
                                        <Condition Binding="{Binding IsNodeExpanded}" Value="True"/>
                                    </MultiDataTrigger.Conditions>
                                    <Setter TargetName="icon" Property="Data" Value="{StaticResource Icon.Folder.Open}"/>
                                </MultiDataTrigger>
                            </HierarchicalDataTemplate.Triggers>
                        </HierarchicalDataTemplate>
                    </TreeView.ItemTemplate>
                </TreeView>

                <DataGrid
                    Grid.Row="1"
                    x:Name="stageList"
                    Visibility="{Binding ElementName=toggleStagedMode, Path=IsChecked, Converter={StaticResource BoolToCollapsed}}"
                    RowHeight="24"
                    SelectionChanged="StagedListSelectionChanged"
                    SelectionMode="Extended"
                    SelectionUnit="FullRow"
                    Background="{StaticResource Brush.BG2}">
                    <DataGrid.Resources>
                        <Style x:Key="Style.DataGridText.VerticalCenter" TargetType="{x:Type TextBlock}">
                            <Setter Property="VerticalAlignment" Value="Center"/>
                        </Style>

                        <RoutedUICommand x:Key="SelectWholeDataGridCommand" Text="SelectWholeDataGrid"/>
                    </DataGrid.Resources>

                    <DataGrid.InputBindings>
                        <KeyBinding Key="A" Modifiers="Ctrl" Command="{StaticResource SelectWholeDataGridCommand}"/>
                    </DataGrid.InputBindings>

                    <DataGrid.CommandBindings>
                        <CommandBinding Command="{StaticResource SelectWholeDataGridCommand}" Executed="SelectWholeDataGrid"/>
                    </DataGrid.CommandBindings>

                    <DataGrid.Columns>
                        <DataGridTemplateColumn Width="22">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <Border Width="14" Height="14" x:Name="status" Background="{Binding ., Converter={StaticResource StagedStatusConverter}}" CornerRadius="2" Margin="2,0,4,0">
                                        <TextBlock Text="{Binding ., Converter={StaticResource StagedStatusIconConverter}}" Foreground="{StaticResource Brush.FG}" TextAlignment="Center" VerticalAlignment="Center" FontSize="8"/>
                                    </Border>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTextColumn Width="*" Binding="{Binding Path}" Foreground="{StaticResource Brush.FG}" FontFamily="Consolas" ElementStyle="{StaticResource Style.DataGridText.VerticalCenter}"/>
                    </DataGrid.Columns>

                    <DataGrid.RowStyle>
                        <Style TargetType="{x:Type DataGridRow}" BasedOn="{StaticResource Style.DataGridRow}">
                            <EventSetter Event="ContextMenuOpening" Handler="StagedListContextMenuOpening"/>
                        </Style>
                    </DataGrid.RowStyle>
                </DataGrid>
            </Grid>
        </Grid>

        <!-- Splitter -->
        <GridSplitter Grid.Column="1" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="{StaticResource Brush.BG4}"/>

        <!-- Right -->
        <Grid Grid.Column="2">
            <Grid.RowDefinitions>
                <RowDefinition Height="*"/>
                <RowDefinition Height="66"/>
                <RowDefinition Height="36"/>
            </Grid.RowDefinitions>

            <!-- Diff -->
            <local:DiffViewer Grid.Row="0" x:Name="diffViewer" Margin="8,8,8,4"/>

            <!-- Merge -->
            <Grid Grid.Row="0" x:Name="mergePanel" Background="{StaticResource Brush.BG3}" Visibility="Collapsed">
                <StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
                    <Path Width="64" Height="64" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.Conflict}" Margin="0,0,0,16"/>
                    <Label Content="CONFLICTS DETECTED" FontSize="20" HorizontalAlignment="Center" FontWeight="DemiBold" Foreground="{StaticResource Brush.FG2}" Margin="0,0,0,24"/>
                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,4">
                        <Button Click="UseTheirs" Style="{StaticResource Style.Button.Bordered}" Content="USE THEIRS" Height="24"/>
                        <Button Click="UseMine" Style="{StaticResource Style.Button.Bordered}" Content="USE MINE" Height="24" Margin="8,0"/>
                        <Button Click="OpenMergeTool" Style="{StaticResource Style.Button.Bordered}" Content="OPEN MERGE" Height="24"/>
                    </StackPanel>
                </StackPanel>
            </Grid>

            <!-- Commit Message -->
            <TextBox
                x:Name="txtCommitMsg"
                Grid.Row="1"
                Height="64"
                Margin="8,0"
                Padding="2"
                AcceptsReturn="True"
                AcceptsTab="True"
                TextWrapping="Wrap"
                ScrollViewer.HorizontalScrollBarVisibility="Disabled"
                ScrollViewer.VerticalScrollBarVisibility="Auto"
                helpers:TextBoxHelper.Placeholder="Enter commit message"
                helpers:TextBoxHelper.PlaceholderBaseline="Top"
                GotFocus="CommitMsgGotFocus"
                PreviewMouseWheel="CommitMsgPreviewMouseWheel">
                <TextBox.Text>
                    <Binding ElementName="me" Path="CommitMessage" Mode="TwoWay" UpdateSourceTrigger="PropertyChanged">
                        <Binding.ValidationRules>
                            <helpers:CommitSubjectRequiredRule/>
                        </Binding.ValidationRules>
                    </Binding>
                </TextBox.Text>
            </TextBox>

            <!-- Commit Options -->
            <Grid Grid.Row="2" Margin="8,0">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>

                <Button Grid.Column="0" Width="16" Height="16" Margin="0,0,8,0" Click="OpenCommitMessageSelector" ToolTip="MESSAGE HISTORIES">
                    <Path Width="14" Height="14" Style="{StaticResource Style.Icon}" Data="{StaticResource Icon.List}"/>
                </Button>

                <CheckBox Grid.Column="1" x:Name="chkAmend" HorizontalAlignment="Left" Content="Amend" Checked="StartAmend" Unchecked="EndAmend"/>

                <Button Grid.Column="3" Height="26" Click="Commit" Style="{StaticResource Style.Button.AccentBordered}" Content="COMMIT"/>
                <Button Grid.Column="4" x:Name="btnCommitAndPush" Height="26" Click="CommitAndPush" Style="{StaticResource Style.Button.Bordered}" Content="COMMIT &amp; PUSH" Margin="8,0,0,0"/>
            </Grid>
        </Grid>
    </Grid>
</UserControl>