Single Selection Across Multiple ItemsControls (v2)

 <!--***************************************************************************************

	Copyright 2012 Greg Dennis

	   Licensed under the Apache License, Version 2.0 (the "License");
	   you may not use this file except in compliance with the License.
	   You may obtain a copy of the License at

		 http://www.apache.org/licenses/LICENSE-2.0

	   Unless required by applicable law or agreed to in writing, software
	   distributed under the License is distributed on an "AS IS" BASIS,
	   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	   See the License for the specific language governing permissions and
	   limitations under the License.
 
	File Name:		MainWindow.xaml
	Namespace:		SingleSelection
	Class Name:		MainWindow
	Purpose:		Provides layout of the MainWindow class.

***************************************************************************************-->
<Window x:Class="SingleSelection.MainWindow"
		xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
		xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
		xmlns:local="clr-namespace:SingleSelection"
		Title="MainWindow" Height="350" Width="525">
	<Window.Resources>
		<DataTemplate x:Key="IntsAndDatesTemplate" DataType="{x:Type local:ISelectable}">
			<Border x:Name="Border" Background="Transparent"
					local:SelectionManager.ManageSelection="True"
					local:SelectionManager.Scope="IntsAndDates"
					local:SelectionManager.Target="{Binding}">
				<TextBlock x:Name="Content" Text="{Binding Value}"/>
			</Border>
			<DataTemplate.Triggers>
				<DataTrigger Binding="{Binding IsSelected}" Value="True">
					<Setter TargetName="Border" Property="Background"
							Value="{StaticResource {x:Static SystemColors.HighlightBrushKey}}"/>
					<Setter TargetName="Content" Property="Foreground"
							Value="{StaticResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
				</DataTrigger>
			</DataTemplate.Triggers>
		</DataTemplate>
		<DataTemplate x:Key="StringsTemplate" DataType="{x:Type local:ISelectable}">
			<Border x:Name="Border" Background="Transparent"
					local:SelectionManager.ManageSelection="True"
					local:SelectionManager.Scope="Strings"
					local:SelectionManager.Target="{Binding}">
				<TextBlock x:Name="Content" Text="{Binding Value}"/>
			</Border>
			<DataTemplate.Triggers>
				<DataTrigger Binding="{Binding IsSelected}" Value="True">
					<Setter TargetName="Border" Property="Background"
							Value="{StaticResource {x:Static SystemColors.HighlightBrushKey}}"/>
					<Setter TargetName="Content" Property="Foreground"
							Value="{StaticResource {x:Static SystemColors.HighlightTextBrushKey}}"/>
				</DataTrigger>
			</DataTemplate.Triggers>
		</DataTemplate>
	</Window.Resources>
	<Grid>
		<Grid.ColumnDefinitions>
			<ColumnDefinition />
			<ColumnDefinition />
			<ColumnDefinition />
		</Grid.ColumnDefinitions>
		<ListBox ItemsSource="{Binding Numbers}" HorizontalContentAlignment="Stretch"
				 ItemTemplate="{StaticResource IntsAndDatesTemplate}" />
		<ListBox Grid.Column="1" ItemsSource="{Binding Dates}"
				 ItemTemplate="{StaticResource IntsAndDatesTemplate}"
				 HorizontalContentAlignment="Stretch" />
		<ListBox Grid.Column="3" ItemsSource="{Binding Strings}"
				 ItemTemplate="{StaticResource StringsTemplate}"
				 HorizontalContentAlignment="Stretch" />
	</Grid>
</Window>