private void HoldCompleted(object sender, ManipulationCompletedEventArgs e)
{
if (!IsActive)
{
return;
}
// stop the timer so that we don't try to re-fix this thing after moving to our
// final destination.
_dispatcherTimer.Stop();
var dragIndex = _currentIndex;
var targetItem = _pointIndex.Get(_currentIndex);
var targetLocation = targetItem.Position.Top - _scrollViewer.VerticalOffset;
var transform = _dragImage.GetVerticalOffset().Transform;
transform.Animate(null, targetLocation, CompositeTransform.TranslateYProperty, 200, 0, completed: () =>
{
// reshow the hidden item
if (_cardView != null)
{
_cardView.Opacity = 1.0;
}
// fade out the dragged image
if (_dragImage != null)
{
_dragImage.Animate(null, 0.0, UIElement.OpacityProperty, 700, 0,
completed: () => { _dragImage.Visibility = Visibility.Collapsed; });
}
Complete();
if (dragIndex == _initialIndex)
{
return;
}
// move the dragged item
if (_cardView == null)
{
return;
}
var item = (CardViewModel)_cardView.DataContext;
_cardsModel.Remove(item);
_cardsModel.Insert(dragIndex, item);
_cardsModel.Refresh();
// fire off the event for subscribers
_eventAggregator.Publish(CardPriorityChanged.Create(item.Id, dragIndex, _cardsModel.ToList()));
});
IsActive = false;
}
public void Handle(CardPriorityChanged message)
{
switch (message.Type)
{
case PositionType.Top:
Handle(api => api.Cards.ChangePos(new CardId(message.CardId), Position.Top));
break;
case PositionType.Bottom:
Handle(api => api.Cards.ChangePos(new CardId(message.CardId), Position.Bottom));
break;
case PositionType.Exact:
Handle(api => api.Cards.ChangePos(new CardId(message.CardId), message.Pos));
break;
}
}
