private bool MoveTile(CloudsdaleItem cloud, int index)
{
var tile = tiles.FirstOrDefault(control => ((Cloud)control.Content).id == cloud.id);
if (tile == null) return false;
if (isDragging && draggingItem != null && tile.DataContext == draggingItem.DataContext) return true;
var x = (index % 2 == 0) ? 5 : 185;
var y = Math.Floor(index / 2.0) * 180;
var leftAnimation = new DoubleAnimation {
From = Canvas.GetLeft(tile),
To = x,
Duration = new Duration(TimeSpan.FromMilliseconds(100)),
};
var topAnimation = new DoubleAnimation {
From = Canvas.GetTop(tile),
To = y,
Duration = new Duration(TimeSpan.FromMilliseconds(100)),
};
var storyboard = new Storyboard();
storyboard.Children.Add(leftAnimation);
storyboard.Children.Add(topAnimation);
Storyboard.SetTarget(leftAnimation, tile);
Storyboard.SetTarget(topAnimation, tile);
Storyboard.SetTargetProperty(leftAnimation, new PropertyPath(Canvas.LeftProperty));
Storyboard.SetTargetProperty(topAnimation, new PropertyPath(Canvas.TopProperty));
Resources.Add(Guid.NewGuid().ToString(), storyboard);
storyboard.Begin();
return true;
}
private void CreateTile(CloudsdaleItem cloud, int index)
{
if (MoveTile(cloud, index)) return;
var control = new ContentPresenter { ContentTemplate = ItemTemplate, Content = cloud };
Canvas.SetLeft(control, (index % 2 == 0) ? 5 : 185);
Canvas.SetTop(control, Math.Floor(index / 2.0) * 180);
TileCanvas.Children.Add(control);
tiles.Add(control);
LayoutRoot.Height = Math.Ceiling(tiles.Count / 2.0) * 180;
}
