public override IChartPointView GetPointView(IChartPointView view, ChartPoint point, string label)
{
var mhr = PointDiameter < 10 ? 10 : PointDiameter;
var pbv = (view as HBezierPointView);
if (pbv == null)
{
pbv = new HBezierPointView
{
Segment = new BezierSegment(),
Container = Figure,
IsNew = true
};
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.Ellipse);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
}
if ((Model.Chart.View.HasTooltip || Model.Chart.View.HasDataClickEventAttached) && pbv.HoverShape == null)
{
pbv.HoverShape = new Rectangle
{
Fill = Brushes.Transparent,
StrokeThickness = 0,
Width = mhr,
Height = mhr
};
Panel.SetZIndex(pbv.HoverShape, int.MaxValue);
BindingOperations.SetBinding(pbv.HoverShape, VisibilityProperty,
new Binding {
Path = new PropertyPath(VisibilityProperty), Source = this
});
var wpfChart = Model.Chart.View as Chart;
if (wpfChart == null)
{
return(null);
}
wpfChart.AttachEventsTo(pbv.HoverShape);
Model.Chart.View.AddToDrawMargin(pbv.HoverShape);
}
if (Math.Abs(PointDiameter) > 0.1 && pbv.Ellipse == null)
{
pbv.Ellipse = new Ellipse();
BindingOperations.SetBinding(pbv.Ellipse, Shape.FillProperty,
new Binding {
Path = new PropertyPath(PointForeroundProperty), Source = this
});
BindingOperations.SetBinding(pbv.Ellipse, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(StrokeProperty), Source = this
});
BindingOperations.SetBinding(pbv.Ellipse, Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(StrokeThicknessProperty), Source = this
});
BindingOperations.SetBinding(pbv.Ellipse, WidthProperty,
new Binding {
Path = new PropertyPath(PointDiameterProperty), Source = this
});
BindingOperations.SetBinding(pbv.Ellipse, HeightProperty,
new Binding {
Path = new PropertyPath(PointDiameterProperty), Source = this
});
BindingOperations.SetBinding(pbv.Ellipse, VisibilityProperty,
new Binding {
Path = new PropertyPath(VisibilityProperty), Source = this
});
Panel.SetZIndex(pbv.Ellipse, int.MaxValue - 2);
Model.Chart.View.AddToDrawMargin(pbv.Ellipse);
}
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);
}
public override IChartPointView GetPointView(IChartPointView view, ChartPoint point, string label)
{
var mhr = PointGeometrySize < 10 ? 10 : PointGeometrySize;
var pbv = (HBezierPointView)view;
if (pbv == null)
{
pbv = new HBezierPointView
{
Segment = new BezierSegment(),
Container = Figure,
IsNew = true
};
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.Shape);
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 Rectangle
{
Fill = Brushes.Transparent,
StrokeThickness = 0,
Width = mhr,
Height = mhr
};
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 (PointGeometry != null && Math.Abs(PointGeometrySize) > 0.1 && pbv.Shape == null)
{
if (PointGeometry != null)
{
pbv.Shape = new Path
{
Stretch = Stretch.Fill,
ClipToBounds = true,
StrokeThickness = StrokeThickness
};
BindingOperations.SetBinding(pbv.Shape, Path.DataProperty,
new Binding {
Path = new PropertyPath(PointGeometryProperty), Source = this
});
}
else
{
pbv.Shape = new Ellipse();
}
BindingOperations.SetBinding(pbv.Shape, Shape.FillProperty,
new Binding {
Path = new PropertyPath(PointForeroundProperty), Source = this
});
BindingOperations.SetBinding(pbv.Shape, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(StrokeProperty), Source = this
});
BindingOperations.SetBinding(pbv.Shape, Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(StrokeThicknessProperty), Source = this
});
BindingOperations.SetBinding(pbv.Shape, WidthProperty,
new Binding {
Path = new PropertyPath(PointGeometrySizeProperty), Source = this
});
BindingOperations.SetBinding(pbv.Shape, HeightProperty,
new Binding {
Path = new PropertyPath(PointGeometrySizeProperty), Source = this
});
BindingOperations.SetBinding(pbv.Shape, VisibilityProperty,
new Binding {
Path = new PropertyPath(VisibilityProperty), Source = this
});
Panel.SetZIndex(pbv.Shape, int.MaxValue - 2);
Model.Chart.View.AddToDrawMargin(pbv.Shape);
}
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);
}
