public void can_attach_a_trigger_to_a_ui_element()
{
var dp = new Button();
var trigger = Mock <IMessageTrigger>();
trigger.Expect(x => x.Attach(Arg <InteractionNode> .Is.NotNull));
controller.AttachTrigger(
dp,
trigger
);
var node = dp.GetValue(DefaultRoutedMessageController.NodeProperty) as InteractionNode;
node.ShouldNotBeNull();
node.Triggers.Contains(trigger).ShouldBeTrue();
}
private static void OnTriggersChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (_controller == null)
{
return;
}
if (e.NewValue != e.OldValue)
{
var triggers = e.NewValue as RoutedMessageTriggerCollection;
if (triggers != null)
{
foreach (var messageTrigger in triggers)
{
_controller.AttachTrigger(d, messageTrigger);
}
}
}
}