private void segmentClicked(object s, RoutedEventArgs e)
{
var arc = s.RequireType <ArcPath>();
if (!arc.CheckEquality(FocusedSegment.RequireType <ArcPath>()))
{
FocusedSegment = arc;
}
//OnSegmentClicked();
}
private void animateAngularOffset()
{
var angle = FocusedSegment.RequireType <ArcPath>().CalculateAngularOffset();
BeginAnimation(AngleOffsetProperty, new DoubleAnimation(angle,
new Duration(TimeSpan.FromMilliseconds(600)))
{
AccelerationRatio = AnimationParameters.AccelerationRatio,
DecelerationRatio = AnimationParameters.DecelerationRatio
});
}
protected override void OnRender(DrawingContext drawingContext)
{
PART_focusedsegmentlabel.Foreground = SecondaryValueForeground.GetMaterial(FallbackMaterialSet);
PART_segments.Children.Clear();
var context = new ProviderContext(FilteredData.Count);
MaterialProvider.Reset(context);
var radius = (PART_segments.RenderSize.Smallest() * CircleScale) / 2;
var total = Data.SumValue();
var angleTrace = 0d;
var actualRingWidth = radius * RingWidthPercentage;
foreach (var d in FilteredData)
{
var materialSet = MaterialProvider.ProvideNext(context);
var degrees = (d.Value / total) * 360;
var activePath = new ArcPath(degrees, angleTrace, actualRingWidth, CircleScale, radius, PART_segments.RenderSize, d)
{
Fill = SegmentForeground.GetMaterial(materialSet),
MouseOverFill = materialSet.GetMaterial(Luminosity.P700),
DataContext = this
};
activePath.Click += segmentClicked;
PART_segments.Children.Add(activePath);
d.RenderedVisual = activePath;
angleTrace += degrees;
}
if (FocusedSegment == null)
{
return;
}
PART_categorylabels.Children.Clear();
var diameter = PART_segments.RenderSize.Smallest() * CircleScale;
var outerLabelRadius = (diameter / 2) * OuterLabelPositionScale;
var overlayedLabelRadius = (diameter / 2) - (actualRingWidth / 2);
var targetAngularOffset = FocusedSegment.RequireType <ArcPath>().CalculateAngularOffset();
MaterialProvider.Reset(context);
foreach (var d in FilteredData)
{
var materialSet = MaterialProvider.ProvideNext(context);
var categoryNameLabel = positionLabel(d, outerLabelRadius, targetAngularOffset, true);
categoryNameLabel.Content = d.CategoryName;
categoryNameLabel.BindTextualPrimitive <BarTotalPrimitive>(this);
categoryNameLabel.Foreground = BarTotalForeground.GetMaterial(materialSet);
PART_categorylabels.Children.Add(categoryNameLabel);
var valueLabel = positionLabel(d, overlayedLabelRadius, targetAngularOffset);
valueLabel.Content = d.Value;
valueLabel.BindTextualPrimitive <ValuePrimitive>(this);
valueLabel.Foreground = ValueForeground.GetMaterial(materialSet);
PART_categorylabels.Children.Add(valueLabel);
}
base.OnRender(drawingContext);
}
