private static void SetTargetCore(DependencyPropertyChangedEventArgs e, DependencyObject d, bool setContext)
{
if (_controller == null)
{
return;
}
if (e.NewValue != e.OldValue && e.NewValue != null)
{
var target = e.NewValue;
#if SILVERLIGHT
var containerKey = e.NewValue as string;
if (containerKey != null)
{
target = _serviceLocator.GetInstance(null, containerKey);
}
#endif
var handler = new ActionMessageHandler(
new ActionHost(
target.GetType(),
_actionFactory,
_serviceLocator
),
target
);
_controller.AddHandler(d, handler, setContext);
}
}
public void can_attach_a_message_handler_to_a_ui_element()
{
var dp = new Button();
var handler = Mock <IRoutedMessageHandler>();
handler.Expect(x => x.Unwrap()).Return(handler);
handler.Expect(x => x.Initialize(Arg <IInteractionNode> .Is.NotNull));
controller.AddHandler(
dp,
handler,
true
);
var node = dp.GetValue(DefaultRoutedMessageController.NodeProperty) as InteractionNode;
node.ShouldNotBeNull();
node.MessageHandler.ShouldBe(handler);
dp.DataContext.ShouldBe(handler);
}