sourcegit/src/Views/AddSubmodule.axaml

<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:vm="using:SourceGit.ViewModels"
             xmlns:v="using:SourceGit.Views"
             mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
             x:Class="SourceGit.Views.AddSubmodule"
             x:DataType="vm:AddSubmodule">
  <StackPanel Orientation="Vertical" Margin="8,0">
    <TextBlock FontSize="18"
               Classes="bold"
               Text="{DynamicResource Text.Submodule.Add}"/>
    <Grid Margin="0,16,0,0" RowDefinitions="32,32,32" ColumnDefinitions="120,*">
      <TextBlock Grid.Row="0" Grid.Column="0"
                 HorizontalAlignment="Right" VerticalAlignment="Center"
                 Margin="0,0,8,0"
                 Text="{DynamicResource Text.URL}"/>
      <TextBox Grid.Row="0" Grid.Column="1"
               Height="26"
               VerticalAlignment="Center"
               CornerRadius="2"
               Watermark="{DynamicResource Text.RepositoryURL}"
               Text="{Binding Url, Mode=TwoWay}"
               v:AutoFocusBehaviour.IsEnabled="True"/>

      <TextBlock Grid.Row="1" Grid.Column="0"
                 HorizontalAlignment="Right" VerticalAlignment="Center"
                 Margin="0,0,8,0"
                 Text="{DynamicResource Text.Submodule.RelativePath}"/>
      <TextBox Grid.Row="1" Grid.Column="1"
               Height="26"
               VerticalAlignment="Center"
               CornerRadius="2"
               Watermark="{DynamicResource Text.Submodule.RelativePath.Placeholder}"
               Text="{Binding RelativePath, Mode=TwoWay}"/>

      <CheckBox Grid.Row="2" Grid.Column="1"
                Content="{DynamicResource Text.Submodule.FetchNested}"
                IsChecked="{Binding Recursive, Mode=TwoWay}"/>
    </Grid>
  </StackPanel>
</UserControl>