protected override void BindViewToDataPoint(DataPoint dataPoint, FrameworkElement view, string valueName)
{
IAppearanceProvider appearanceProvider = (IAppearanceProvider)dataPoint;
if (appearanceProvider != null)
{
BarControl barControl = view as BarControl;
if (barControl != null)
{
if (valueName == "Fill" || valueName == null)
{
barControl.Background = appearanceProvider.Fill;
}
if (valueName == "Stroke" || valueName == null)
{
barControl.BorderBrush = appearanceProvider.Stroke;
}
if (valueName == "StrokeThickness" || valueName == null)
{
barControl.BorderThickness = new Thickness(appearanceProvider.StrokeThickness);
}
if (valueName == "Opacity" || valueName == "ActualOpacity" || valueName == null)
{
barControl.Opacity = dataPoint.ActualOpacity;
}
if (valueName == "Effect" || valueName == "ActualEffect" || valueName == null)
{
barControl.Effect = dataPoint.ActualEffect;
}
}
else
{
Shape shape = view as Shape;
if (shape != null)
{
if (valueName == "Fill" || valueName == null)
{
shape.Fill = dataPoint.Fill;
}
if (valueName == "Opacity" || valueName == "ActualOpacity" || valueName == null)
{
shape.Opacity = dataPoint.ActualOpacity;
}
if (valueName == "Effect" || valueName == "ActualEffect" || valueName == null)
{
shape.Effect = dataPoint.ActualEffect is ShaderEffect ? dataPoint.ActualEffect : (Effect)null;
}
}
}
}
DataPointView dataPointView = dataPoint != null ? dataPoint.View : (DataPointView)null;
if (dataPointView == null)
{
return;
}
this.LabelPresenter.BindViewToDataPoint(dataPoint, (FrameworkElement)dataPointView.LabelView, valueName);
this.MarkerPresenter.BindViewToDataPoint(dataPoint, dataPointView.MarkerView, valueName);
}
protected override void UpdateView(DataPoint dataPoint)
{
if (!this.IsDataPointViewVisible(dataPoint))
{
return;
}
DateTime now = DateTime.Now;
XYDataPoint xyDataPoint = dataPoint as XYDataPoint;
if (xyDataPoint != null && this.CanGraph(xyDataPoint))
{
DataPointView view = dataPoint.View;
if (view != null)
{
FrameworkElement mainView = view.MainView;
if (mainView != null)
{
bool flag = this.ChartArea.Orientation != Orientation.Horizontal;
RectOrientation rectOrientation = RectOrientation.BottomTop;
Point positionInAxisUnits = this.GetPositionInAxisUnits(xyDataPoint);
Point point1 = new Point(Math.Round(positionInAxisUnits.X), Math.Round(positionInAxisUnits.Y));
object crossingPosition = this.Series.YAxis.Scale.ActualCrossingPosition;
Point basePoint = new Point(positionInAxisUnits.X, this.Series.YAxis.AxisPresenter.ConvertDataToAxisUnits(crossingPosition) ?? 0.0);
Point point2 = new Point(Math.Round(basePoint.X), Math.Round(basePoint.Y));
double num1 = point1.X + Math.Round(this.PointClusterOffset);
double num2 = this.MinMaxScreenCoordinates(positionInAxisUnits.Y);
double num3 = Math.Round(this.PointWidth);
double height = this.MinMaxScreenCoordinates(basePoint.Y - positionInAxisUnits.Y);
if (ValueHelper.Compare(xyDataPoint.YValue as IComparable, crossingPosition as IComparable) != 0 && Math.Abs(height) < 2.0 && this.CanAdjustHeight())
{
height = basePoint.Y - positionInAxisUnits.Y >= 0.0 ? 2.0 : -2.0;
num2 = point2.Y - height;
}
if (height < 0.0)
{
rectOrientation = RectOrientation.TopBottom;
height = Math.Abs(height);
num2 -= height;
}
double num4 = this.MinMaxScreenCoordinates(this.GetYOffsetInAxisUnits(xyDataPoint, positionInAxisUnits, basePoint));
double num5 = Math.Round(num2 - num4);
double num6 = this.AdjustColumnHeight(height);
if (flag)
{
if (rectOrientation == RectOrientation.BottomTop)
{
rectOrientation = RectOrientation.RightLeft;
}
else if (rectOrientation == RectOrientation.TopBottom)
{
rectOrientation = RectOrientation.LeftRight;
}
Canvas.SetLeft((UIElement)mainView, num5);
Canvas.SetTop((UIElement)mainView, num1);
mainView.Width = num6;
mainView.Height = num3;
view.AnchorRect = new Rect(num5, num1, num6, num3);
view.AnchorPoint = rectOrientation != RectOrientation.RightLeft ? new Point(num5 + num6, num1 + this.PointWidth / 2.0) : new Point(num5, num1 + this.PointWidth / 2.0);
}
else
{
Canvas.SetLeft((UIElement)mainView, num1);
Canvas.SetTop((UIElement)mainView, num5);
mainView.Width = num3;
mainView.Height = num6;
view.AnchorRect = new Rect(num1, num5, num3, num6);
view.AnchorPoint = rectOrientation != RectOrientation.BottomTop ? new Point(num1 + this.PointWidth / 2.0, num5 + num6) : new Point(num1 + this.PointWidth / 2.0, num5);
}
BarControl barControl = mainView as BarControl;
if (barControl != null)
{
barControl.Orientation = rectOrientation;
}
view.AnchorRectOrientation = rectOrientation;
}
}
}
base.UpdateView(dataPoint);
if (this.ChartArea == null)
{
return;
}
this.ChartArea.UpdateSession.AddCounter("ColumnSeriesPresenter.UpdateView", DateTime.Now - now);
}
