public override void OnHoverLeave(ChartPoint point)
{
BindingOperations.SetBinding(Slice, Shape.FillProperty,
new Binding
{
Path = new PropertyPath(Series.Series.FillProperty),
Source = ((Series.Series)point.SeriesView)
});
Slice.BeginAnimation(PieSlice.PushOutProperty,
new DoubleAnimation(OriginalPusOut, point.SeriesView.Model.Chart.View.AnimationsSpeed));
}
public override void OnHover(ChartPoint point)
{
var copy = Slice.Fill.Clone();
copy.Opacity -= .15;
Slice.Fill = copy;
OriginalPusOut = Slice.PushOut;
Slice.BeginAnimation(PieSlice.PushOutProperty,
new DoubleAnimation(OriginalPusOut, OriginalPusOut + 5,
point.SeriesView.Model.Chart.View.AnimationsSpeed));
}
public override void OnHoverLeave(ChartPoint point)
{
if (point.Fill != null)
{
Slice.Fill = (Brush)point.Fill;
}
else
{
Slice.Fill = ((Series)point.SeriesView).Fill;
}
Slice.BeginAnimation(PieSlice.PushOutProperty,
new DoubleAnimation(OriginalPushOut, point.SeriesView.Model.Chart.View.AnimationsSpeed));
}
public override void DrawOrMove(ChartPoint previousDrawn, ChartPoint current, int index, ChartCore chart)
{
if (IsNew)
{
Canvas.SetTop(Slice, chart.DrawMargin.Height / 2);
Canvas.SetLeft(Slice, chart.DrawMargin.Width / 2);
Slice.WedgeAngle = 0;
Slice.RotationAngle = 0;
}
if (DataLabel != null && double.IsNaN(Canvas.GetLeft(DataLabel)))
{
Canvas.SetTop(DataLabel, chart.DrawMargin.Height / 2);
Canvas.SetLeft(DataLabel, chart.DrawMargin.Width / 2);
}
if (HoverShape != null)
{
var hs = (PieSlice)HoverShape;
Canvas.SetTop(hs, chart.DrawMargin.Height / 2);
Canvas.SetLeft(hs, chart.DrawMargin.Width / 2);
hs.WedgeAngle = Wedge;
hs.RotationAngle = Rotation;
hs.InnerRadius = InnerRadius;
hs.Radius = Radius;
}
var lh = 0d;
if (DataLabel != null)
{
DataLabel.UpdateLayout();
lh = DataLabel.ActualHeight;
}
var hypo = ((PieSeries)current.SeriesView).LabelPosition == PieLabelPosition.InsideSlice
? (Radius + InnerRadius) * (Math.Abs(InnerRadius) < 0.01 ? .65 : .5)
: Radius + lh;
var gamma = current.Participation * 360 / 2 + Rotation;
var cp = new Point(hypo * Math.Sin(gamma * (Math.PI / 180)), hypo * Math.Cos(gamma * (Math.PI / 180)));
if (chart.View.DisableAnimations)
{
Slice.InnerRadius = InnerRadius;
Slice.Radius = Radius;
Slice.WedgeAngle = Wedge;
Slice.RotationAngle = Rotation;
Canvas.SetTop(Slice, chart.DrawMargin.Height / 2);
Canvas.SetLeft(Slice, chart.DrawMargin.Width / 2);
if (DataLabel != null)
{
var lx = cp.X + chart.DrawMargin.Width / 2 - DataLabel.ActualWidth * .5;
var ly = chart.DrawMargin.Height / 2 - cp.Y - DataLabel.ActualHeight * .5;
Canvas.SetLeft(DataLabel, lx);
Canvas.SetTop(DataLabel, ly);
}
return;
}
var animSpeed = chart.View.AnimationsSpeed;
if (DataLabel != null)
{
DataLabel.UpdateLayout();
var lx = cp.X + chart.DrawMargin.Width / 2 - DataLabel.ActualWidth * .5;
var ly = chart.DrawMargin.Height / 2 - cp.Y - DataLabel.ActualHeight * .5;
DataLabel.BeginAnimation(Canvas.LeftProperty, new DoubleAnimation(lx, animSpeed));
DataLabel.BeginAnimation(Canvas.TopProperty, new DoubleAnimation(ly, animSpeed));
}
Slice.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(chart.DrawMargin.Width / 2, animSpeed));
Slice.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(chart.DrawMargin.Height / 2, animSpeed));
Slice.BeginAnimation(PieSlice.InnerRadiusProperty, new DoubleAnimation(InnerRadius, animSpeed));
Slice.BeginAnimation(PieSlice.RadiusProperty, new DoubleAnimation(Radius, animSpeed));
Slice.BeginAnimation(PieSlice.WedgeAngleProperty, new DoubleAnimation(Wedge, animSpeed));
Slice.BeginAnimation(PieSlice.RotationAngleProperty, new DoubleAnimation(Rotation, animSpeed));
}