public TrackCompetitorStoryboard(IActiveTrackRaceViewModel race, IDistanceDisciplineCalculator calculator)
{
if (race == null)
{
throw new ArgumentNullException(nameof(race));
}
this.race = race;
this.calculator = calculator;
}
private void OnSkaterChanged(PairsRaceColor color, IActiveTrackRaceViewModel oldRace, IActiveTrackRaceViewModel newRace, Style style)
{
if (Distance == null || PathProvider == null || canvas == null)
{
return;
}
TrackCompetitorStoryboard storyboard;
if (storyboards.TryGetValue(color, out storyboard))
{
storyboard.DetachAndStop();
storyboards.Remove(color);
}
Shape shape;
if (skaters.TryGetValue(color, out shape))
{
canvas.Children.Remove(shape);
skaters.Remove(color);
}
if (oldRace != null)
{
oldRace.TimeInvalidReasonChanged -= RaceTimeInvalidReasonChanged;
}
if (newRace == null)
{
return;
}
newRace.TimeInvalidReasonChanged += RaceTimeInvalidReasonChanged;
if (newRace.TimeInvalidReason != null)
{
return;
}
var path = PathProvider.CreatePath(Distance, newRace.Lane);
if (path == null)
{
return;
}
var ellipse = new EllipseGeometry(path.Figures[0].StartPoint, 2, 2);
var ball = new Path
{
Data = ellipse,
Style = style
};
Panel.SetZIndex(ball, 4 - newRace.Color);
NameScope.SetNameScope(ball, new NameScope());
ball.RegisterName("Ellipse", ellipse);
canvas.Children.Add(ball);
var animation = new PointAnimationUsingPath
{
Duration = TimeSpan.FromSeconds(PathProvider.Calculator.Length(Distance)),
PathGeometry = path
};
Storyboard.SetTargetName(animation, "Ellipse");
Storyboard.SetTargetProperty(animation, new PropertyPath(EllipseGeometry.CenterProperty));
storyboard = new TrackCompetitorStoryboard(newRace, PathProvider.Calculator);
storyboard.Children.Add(animation);
storyboard.AttachAndBegin(ball);
skaters[color] = ball;
storyboards[color] = storyboard;
}