/// <summary>
/// Gets the view of a given point
/// </summary>
/// <param name="point"></param>
/// <param name="label"></param>
/// <returns></returns>
public override IChartPointView GetPointView(ChartPoint point, string label)
{
var pbv = (PiePointView) point.View;
if (pbv == null)
{
pbv = new PiePointView
{
IsNew = true,
Slice = new PieSlice()
};
Model.Chart.View.AddToDrawMargin(pbv.Slice);
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.Slice);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
}
pbv.Slice.Fill = Fill;
pbv.Slice.Stroke = Stroke;
pbv.Slice.StrokeThickness = StrokeThickness;
pbv.Slice.StrokeDashArray = StrokeDashArray;
pbv.Slice.PushOut = PushOut;
pbv.Slice.Visibility = Visibility;
Panel.SetZIndex(pbv.Slice, Panel.GetZIndex(this));
if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
{
pbv.HoverShape = new PieSlice
{
Fill = Brushes.Transparent,
StrokeThickness = 0
};
Panel.SetZIndex(pbv.HoverShape, int.MaxValue);
var wpfChart = (Chart)Model.Chart.View;
wpfChart.AttachHoverableEventTo(pbv.HoverShape);
Model.Chart.View.AddToDrawMargin(pbv.HoverShape);
}
if (pbv.HoverShape != null) pbv.HoverShape.Visibility = Visibility;
if (DataLabels && pbv.DataLabel == null)
{
pbv.DataLabel = BindATextBlock(0);
Panel.SetZIndex(pbv.DataLabel, int.MaxValue - 1);
Model.Chart.View.AddToDrawMargin(pbv.DataLabel);
}
if (pbv.DataLabel != null) pbv.DataLabel.Text = label;
pbv.OriginalPushOut = PushOut;
return pbv;
}
public override IChartPointView GetPointView(IChartPointView view, ChartPoint point, string label)
{
var pbv = (view as PiePointView);
if (pbv == null)
{
pbv = new PiePointView
{
IsNew = true,
Slice = new PieSlice()
};
BindingOperations.SetBinding(pbv.Slice, Shape.FillProperty,
new Binding { Path = new PropertyPath(FillProperty), Source = this });
BindingOperations.SetBinding(pbv.Slice, Shape.StrokeProperty,
new Binding { Path = new PropertyPath(StrokeProperty), Source = this });
BindingOperations.SetBinding(pbv.Slice, Shape.StrokeThicknessProperty,
new Binding {Path = new PropertyPath(StrokeThicknessProperty), Source = this});
BindingOperations.SetBinding(pbv.Slice, Shape.StrokeDashArrayProperty,
new Binding {Path = new PropertyPath(StrokeDashArrayProperty), Source = this});
BindingOperations.SetBinding(pbv.Slice, PieSlice.PushOutProperty,
new Binding {Path = new PropertyPath(PushOutProperty), Source = this});
BindingOperations.SetBinding(pbv.Slice, Panel.ZIndexProperty,
new Binding {Path = new PropertyPath(Panel.ZIndexProperty), Source = this});
BindingOperations.SetBinding(pbv.Slice, VisibilityProperty,
new Binding {Path = new PropertyPath(VisibilityProperty), Source = this});
Model.Chart.View.AddToDrawMargin(pbv.Slice);
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.Slice);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
}
if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
{
pbv.HoverShape = new PieSlice
{
Fill = Brushes.Transparent,
StrokeThickness = 0
};
Panel.SetZIndex(pbv.HoverShape, int.MaxValue);
BindingOperations.SetBinding(pbv.HoverShape, VisibilityProperty,
new Binding {Path = new PropertyPath(VisibilityProperty), Source = this});
var wpfChart = (Chart)Model.Chart.View;
wpfChart.AttachHoverableEventTo(pbv.HoverShape);
Model.Chart.View.AddToDrawMargin(pbv.HoverShape);
}
if (DataLabels && pbv.DataLabel == null)
{
pbv.DataLabel = BindATextBlock(0);
Panel.SetZIndex(pbv.DataLabel, int.MaxValue - 1);
Model.Chart.View.AddToDrawMargin(pbv.DataLabel);
}
if (pbv.DataLabel != null) pbv.DataLabel.Text = label;
return pbv;
}
