public void AddAnnotation(Annotation a)
{
Dispatcher.BeginInvoke(new Action(() =>
{
Point pos;
if (GetPressScatterViewItemPosition(a.Press, out pos))
{
PostIt postIt = new PostIt();
postIt.Text = a.Comment;
postIt.User = a.User;
ScatterViewItem svi = new ScatterViewItem();
svi.Content = postIt;
svi.Center = GetPostItStartPosition(a.User);
svi.CanScale = false;
svi.CanMove = true;
Scatter.Items.Add(svi);
pos.X += rand.Next(-POSTIT_VARIATION, POSTIT_VARIATION);
pos.Y += rand.Next(-POSTIT_VARIATION, POSTIT_VARIATION);
Duration duration = new Duration(TimeSpan.FromSeconds(0.5));
PointAnimation an = new PointAnimation();
an.Duration = duration;
an.FillBehavior = FillBehavior.Stop;
an.To = pos;
Storyboard sb = new Storyboard();
sb.Duration = duration;
sb.Children.Add(an);
Storyboard.SetTarget(an, svi);
Storyboard.SetTargetProperty(an, new PropertyPath(ScatterViewItem.CenterProperty));
sb.Completed += new EventHandler((s, e) =>
{
svi.Center = pos;
});
sb.Begin(Scatter);
}
}));
}
public void MakeAnnotation(Annotation a)
{
try
{
Tabletop.AddAnnotation(a);
}
catch (Exception e)
{
throw new FaultException(new FaultReason(e.Message + "\r\n" + e.StackTrace));
}
}