public override IChartPointView GetPointView(IChartPointView view, ChartPoint point, string label)
{
var pbv = (view as OhlcPointView);
if (pbv == null)
{
pbv = new OhlcPointView
{
IsNew = true,
HighToLowLine = new Line(),
OpenLine = new Line(),
CloseLine = new Line()
};
BindingOperations.SetBinding(pbv.HighToLowLine, Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(StrokeThicknessProperty), Source = this
});
BindingOperations.SetBinding(pbv.CloseLine, Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(StrokeThicknessProperty), Source = this
});
BindingOperations.SetBinding(pbv.OpenLine, Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(StrokeThicknessProperty), Source = this
});
BindingOperations.SetBinding(pbv.HighToLowLine, Shape.StrokeDashArrayProperty,
new Binding {
Path = new PropertyPath(StrokeDashArrayProperty), Source = this
});
BindingOperations.SetBinding(pbv.CloseLine, Shape.StrokeDashArrayProperty,
new Binding {
Path = new PropertyPath(StrokeDashArrayProperty), Source = this
});
BindingOperations.SetBinding(pbv.OpenLine, Shape.StrokeDashArrayProperty,
new Binding {
Path = new PropertyPath(StrokeDashArrayProperty), Source = this
});
BindingOperations.SetBinding(pbv.HighToLowLine, Panel.ZIndexProperty,
new Binding {
Path = new PropertyPath(Panel.ZIndexProperty), Source = this
});
BindingOperations.SetBinding(pbv.CloseLine, Panel.ZIndexProperty,
new Binding {
Path = new PropertyPath(Panel.ZIndexProperty), Source = this
});
BindingOperations.SetBinding(pbv.OpenLine, Panel.ZIndexProperty,
new Binding {
Path = new PropertyPath(Panel.ZIndexProperty), Source = this
});
BindingOperations.SetBinding(pbv.HighToLowLine, VisibilityProperty,
new Binding {
Path = new PropertyPath(VisibilityProperty), Source = this
});
BindingOperations.SetBinding(pbv.CloseLine, VisibilityProperty,
new Binding {
Path = new PropertyPath(VisibilityProperty), Source = this
});
BindingOperations.SetBinding(pbv.OpenLine, VisibilityProperty,
new Binding {
Path = new PropertyPath(VisibilityProperty), Source = this
});
Model.Chart.View.AddToDrawMargin(pbv.HighToLowLine);
Model.Chart.View.AddToDrawMargin(pbv.OpenLine);
Model.Chart.View.AddToDrawMargin(pbv.CloseLine);
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HighToLowLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.OpenLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.CloseLine);
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
};
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;
}
if (point.Open < point.Close)
{
BindingOperations.SetBinding(pbv.HighToLowLine, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(IncreaseBrushProperty), Source = this
});
BindingOperations.SetBinding(pbv.CloseLine, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(IncreaseBrushProperty), Source = this
});
BindingOperations.SetBinding(pbv.OpenLine, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(IncreaseBrushProperty), Source = this
});
}
else
{
BindingOperations.SetBinding(pbv.HighToLowLine, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(DecreaseBrushProperty), Source = this
});
BindingOperations.SetBinding(pbv.CloseLine, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(DecreaseBrushProperty), Source = this
});
BindingOperations.SetBinding(pbv.OpenLine, Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(DecreaseBrushProperty), Source = this
});
}
return(pbv);
}
/// <summary>
/// Gets the point view.
/// </summary>
/// <param name="point">The point.</param>
/// <param name="label">The label.</param>
/// <returns></returns>
public override IChartPointView GetPointView(ChartPoint point, string label)
{
var pbv = (OhlcPointView)point.View;
if (pbv == null)
{
pbv = new OhlcPointView
{
IsNew = true,
HighToLowLine = new Line(),
OpenLine = new Line(),
CloseLine = new Line()
};
Model.Chart.View.AddToDrawMargin(pbv.HighToLowLine);
Model.Chart.View.AddToDrawMargin(pbv.OpenLine);
Model.Chart.View.AddToDrawMargin(pbv.CloseLine);
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HighToLowLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.OpenLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.CloseLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
}
pbv.HighToLowLine.StrokeThickness = StrokeThickness;
pbv.CloseLine.StrokeThickness = StrokeThickness;
pbv.OpenLine.StrokeThickness = StrokeThickness;
pbv.HighToLowLine.StrokeDashArray = StrokeDashArray;
pbv.CloseLine.StrokeDashArray = StrokeDashArray;
pbv.OpenLine.StrokeDashArray = StrokeDashArray;
pbv.HighToLowLine.Visibility = Visibility;
pbv.CloseLine.Visibility = Visibility;
pbv.OpenLine.Visibility = Visibility;
var i = Panel.GetZIndex(this);
Panel.SetZIndex(pbv.HighToLowLine, i);
Panel.SetZIndex(pbv.CloseLine, i);
Panel.SetZIndex(pbv.OpenLine, i);
if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
{
pbv.HoverShape = new Rectangle
{
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 = UpdateLabelContent(new DataLabelViewModel
{
FormattedText = label,
Point = point
}, pbv.DataLabel);
}
if (!DataLabels && pbv.DataLabel != null)
{
Model.Chart.View.RemoveFromDrawMargin(pbv.DataLabel);
pbv.DataLabel = null;
}
if (point.Open < point.Close)
{
pbv.HighToLowLine.Stroke = IncreaseBrush;
pbv.CloseLine.Stroke = IncreaseBrush;
pbv.OpenLine.Stroke = IncreaseBrush;
}
else
{
pbv.HighToLowLine.Stroke = DecreaseBrush;
pbv.CloseLine.Stroke = DecreaseBrush;
pbv.OpenLine.Stroke = DecreaseBrush;
}
return(pbv);
}
/// <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 = (OhlcPointView)point.View;
if (pbv == null)
{
pbv = new OhlcPointView
{
IsNew = true,
HighToLowLine = new Line(),
OpenLine = new Line(),
CloseLine = new Line()
};
Model.Chart.View.AddToDrawMargin(pbv.HighToLowLine);
Model.Chart.View.AddToDrawMargin(pbv.OpenLine);
Model.Chart.View.AddToDrawMargin(pbv.CloseLine);
}
else
{
pbv.IsNew = false;
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HighToLowLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.OpenLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.CloseLine);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.HoverShape);
point.SeriesView.Model.Chart.View
.EnsureElementBelongsToCurrentDrawMargin(pbv.DataLabel);
}
pbv.HighToLowLine.StrokeThickness = StrokeThickness;
pbv.CloseLine.StrokeThickness = StrokeThickness;
pbv.OpenLine.StrokeThickness = StrokeThickness;
pbv.HighToLowLine.StrokeDashArray = StrokeDashArray;
pbv.CloseLine.StrokeDashArray = StrokeDashArray;
pbv.OpenLine.StrokeDashArray = StrokeDashArray;
pbv.HighToLowLine.Visibility = Visibility;
pbv.CloseLine.Visibility = Visibility;
pbv.OpenLine.Visibility = Visibility;
var i = Canvas.GetZIndex(this);
Canvas.SetZIndex(pbv.HighToLowLine, i);
Canvas.SetZIndex(pbv.CloseLine, i);
Canvas.SetZIndex(pbv.OpenLine, i);
if (Model.Chart.RequiresHoverShape && pbv.HoverShape == null)
{
pbv.HoverShape = new Rectangle
{
Fill = new SolidColorBrush(Colors.Transparent),
StrokeThickness = 0
};
Canvas.SetZIndex(pbv.HoverShape, short.MaxValue);
var uwpfChart = (Chart)Model.Chart.View;
uwpfChart.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);
Canvas.SetZIndex(pbv.DataLabel, short.MaxValue - 1);
Model.Chart.View.AddToDrawMargin(pbv.DataLabel);
}
if (pbv.DataLabel != null)
{
pbv.DataLabel.Text = label;
}
if (point.Open < point.Close)
{
pbv.HighToLowLine.Stroke = IncreaseBrush;
pbv.CloseLine.Stroke = IncreaseBrush;
pbv.OpenLine.Stroke = IncreaseBrush;
}
else
{
pbv.HighToLowLine.Stroke = DecreaseBrush;
pbv.CloseLine.Stroke = DecreaseBrush;
pbv.OpenLine.Stroke = DecreaseBrush;
}
return(pbv);
}
