PullRequestCreationView.xaml

<local:GenericPullRequestCreationView x:Class="GitHub.VisualStudio.Views.GitHubPane.PullRequestCreationView"
                                      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                                      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                                      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
                                      xmlns:ghfvs="https://github.com/github/VisualStudio"
                                      xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
                                      xmlns:local="clr-namespace:GitHub.VisualStudio.Views.GitHubPane"
                                      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                                      d:DesignHeight="450"
                                      d:DesignWidth="300"
                                      Background="{DynamicResource GitHubVsToolWindowBackground}"
                                      DataContext="{Binding ViewModel}"
                                      IsEnabled="{Binding IsBusy, Converter={ghfvs:InverseBooleanConverter}}"
                                      AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestCreationViewCustom}"
                                      mc:Ignorable="d">

    <d:DesignProperties.DataContext>
        <Binding>
            <Binding.Source>
                <ghfvs:PullRequestCreationViewModelDesigner />
            </Binding.Source>
        </Binding>
    </d:DesignProperties.DataContext>

    <Control.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ghfvs:SharedDictionaryManager Source="pack://application:,,,/GitHub.VisualStudio.UI;component/SharedDictionary.xaml" />
                <ghfvs:SharedDictionaryManager Source="pack://application:,,,/GitHub.UI;component/SharedDictionary.xaml" />
                <ghfvs:SharedDictionaryManager Source="pack://application:,,,/GitHub.UI.Reactive;component/SharedDictionary.xaml" />
            </ResourceDictionary.MergedDictionaries>

            <Style x:Key="CommitListItemContainerStyle" TargetType="{x:Type ListViewItem}">
                <Setter Property="SnapsToDevicePixels" Value="True" />
                <Setter Property="Margin" Value="5" />
                <Setter Property="Padding" Value="1" />

                <Setter Property="HorizontalContentAlignment" Value="Stretch" />
                <Setter Property="VerticalContentAlignment" Value="Center" />

                <Setter Property="Background" Value="Transparent" />
                <Setter Property="BorderBrush" Value="Transparent" />
                <Setter Property="BorderThickness" Value="0" />

                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ListViewItem}">
                            <Border x:Name="Bd"
                      Background="{TemplateBinding Background}"
                      BorderThickness="{TemplateBinding BorderThickness}"
                      Padding="{TemplateBinding Padding}">
                                <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                  VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                  SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                            </Border>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>

            <Style x:Key="GitHubPopupThing" TargetType="{x:Type ListBox}">
                <Setter Property="ItemTemplate">
                    <Setter.Value>
                        <DataTemplate>
                            <TextBlock Text="{Binding Path=Name}" />
                        </DataTemplate>
                    </Setter.Value>
                </Setter>
            </Style>

            <ghfvs:BranchNameConverter x:Key="BranchNameConverter" />
        </ResourceDictionary>
    </Control.Resources>

    <Grid VerticalAlignment="Top" 
          MaxHeight="{Binding ActualHeight, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type local:GenericPullRequestCreationView}}}"
          Margin="0 8 0 0">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <DockPanel Grid.Row="0">
            <Grid Margin="10,-3,10,5">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>

                <StackPanel Grid.Column="0" Orientation="Horizontal">
                    <ghfvs:OcticonImage Foreground="{DynamicResource GitHubVsGrayText}" Icon="git_branch" />
                    <ghfvs:LinkDropDown Header="Target Branch"
                                     ItemsSource="{Binding Branches}"
                                     SelectedItem="{Binding TargetBranch}"
                                     ToolTip="Select a branch"
                                     Margin="0,1,0,0"
                                     AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestTargetBranchComboBox}" >
                        <ghfvs:LinkDropDown.ItemTemplate>
                            <DataTemplate DataType="models:BranchModel">
                                <TextBlock>
                                    <TextBlock.Text>
                                        <MultiBinding Converter="{StaticResource BranchNameConverter}">
                                            <Binding/>
                                            <Binding Path="ViewModel.GitHubRepository" RelativeSource="{RelativeSource FindAncestor, AncestorType={x:Type local:PullRequestCreationView}}" />
                                        </MultiBinding>
                                    </TextBlock.Text>
                                </TextBlock>
                            </DataTemplate>
                        </ghfvs:LinkDropDown.ItemTemplate>
                        <ghfvs:LinkDropDown.LinkItemTemplate>
                            <DataTemplate DataType="models:BranchModel">
                                <TextBlock>
                                    <TextBlock.Text>
                                        <MultiBinding Converter="{StaticResource BranchNameConverter}">
                                            <Binding/>
                                            <Binding Path="ViewModel.GitHubRepository" RelativeSource="{RelativeSource FindAncestor, AncestorType={x:Type local:PullRequestCreationView}}" />
                                        </MultiBinding>
                                    </TextBlock.Text>
                                </TextBlock>
                            </DataTemplate>
                        </ghfvs:LinkDropDown.LinkItemTemplate>
                    </ghfvs:LinkDropDown>
                    <ghfvs:OcticonImage Height="13"
                                     Margin="5,2,3,0"
                                     VerticalAlignment="Center"
                                     Foreground="{DynamicResource GitHubVsGrayText}"
                                     Icon="chevron_left" />
                </StackPanel>

                <ghfvs:GitHubActionLink Margin="5,0,0,0"
                                     VerticalAlignment="Center"
                                     HorizontalAlignment="Left"
                                     Content="{Binding SourceBranch.Name}"
                                     HasDropDown="False"
                                     Grid.Column="1"
                                     AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestSourceBranchHyperlink}"/>
            </Grid>
        </DockPanel>

        <ghfvs:PromptTextBox x:Name="titleText"
                            Grid.Row="1"
                            Margin="10,5"
                            Text="{Binding PRTitle, UpdateSourceTrigger=PropertyChanged}"
                            PromptText="{x:Static ghfvs:Resources.TitleRequired}"
                            Style="{DynamicResource GitHubVsPromptTextBox}"
                            SpellCheck.IsEnabled="True"
                            AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestCreationTitleTextBox}"/>

        <ghfvs:PromptTextBox Grid.Row="2"
                            MinHeight="100"
                            Margin="10,5"
                            AcceptsReturn="True"
                            PromptText="{x:Static ghfvs:Resources.Description}"
                            Text="{Binding Description, UpdateSourceTrigger=PropertyChanged}"
                            Style="{DynamicResource GitHubVsPromptTextBox}"
                            VerticalScrollBarVisibility="Auto"
                            TextWrapping="Wrap"
                            SpellCheck.IsEnabled="True"
                            AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestCreationDescriptionTextBox}"/>
        
        <ghfvs:ValidationMessage x:Name="titleValidationMessage"
                                Grid.Row="3"
                                Fill="{StaticResource GitHubWarningBrush}"
                                Icon="alert"
                                ValidatesControl="{Binding ElementName=titleText}"
                                ReactiveValidator="{Binding TitleValidator, Mode=OneWay}"/>

        <DockPanel Grid.Row="4" Margin="10,10,10,20" HorizontalAlignment="Stretch">
            <Button DockPanel.Dock="Right"
                    Margin="6,0,0,0"
                    HorizontalAlignment="Right"
                    Command="{Binding CreatePullRequest}"
                    Content="{x:Static ghfvs:Resources.CreatePullRequest}"
                    Style="{StaticResource GitHubVsPrimaryActionButton}" 
                    AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestCreationCreateButton}"/>
            <Button DockPanel.Dock="Right"
                    HorizontalAlignment="Right"
                    Command="{Binding Cancel}"
                    Content="{x:Static ghfvs:Resources.CancelLink}"
                    Style="{StaticResource GitHubVsButton}" 
                    AutomationProperties.AutomationId="{x:Static ghfvs:AutomationIDs.PullRequestCreationCancelButton}"/>

        </DockPanel>
    </Grid>
</local:GenericPullRequestCreationView>