Exemple #1
0
        public override void DrawOrMove(ChartPoint previousDrawn, ChartPoint current, int index, ChartCore chart)
        {
            if (IsNew)
            {
                VerticalLine.X1 = current.ChartLocation.X;
                VerticalLine.X2 = current.ChartLocation.X;
                VerticalLine.Y1 = chart.DrawMargin.Height;
                VerticalLine.Y2 = chart.DrawMargin.Height;

                HorizontalLine.X1 = current.ChartLocation.X - DeltaX;
                HorizontalLine.X2 = current.ChartLocation.X;
                HorizontalLine.Y1 = chart.DrawMargin.Height;
                HorizontalLine.Y2 = chart.DrawMargin.Height;

                if (Shape != null)
                {
                    Canvas.SetLeft(Shape, current.ChartLocation.X - Shape.Width / 2);
                    Canvas.SetTop(Shape, chart.DrawMargin.Height);
                }
            }

            if (DataLabel != null && double.IsNaN(Canvas.GetLeft(DataLabel)))
            {
                Canvas.SetTop(DataLabel, chart.DrawMargin.Height);
                Canvas.SetLeft(DataLabel, current.ChartLocation.X);
            }

            if (HoverShape != null)
            {
                HoverShape.Width  = Shape != null ? (Shape.Width > 5 ? Shape.Width : 5) : 5;
                HoverShape.Height = Shape != null ? (Shape.Height > 5 ? Shape.Height : 5) : 5;
                Canvas.SetLeft(HoverShape, current.ChartLocation.X - HoverShape.Width / 2);
                Canvas.SetTop(HoverShape, current.ChartLocation.Y - HoverShape.Height / 2);
            }

            if (chart.View.DisableAnimations)
            {
                VerticalLine.X1 = current.ChartLocation.X;
                VerticalLine.X2 = current.ChartLocation.X;
                VerticalLine.Y1 = current.ChartLocation.Y;
                VerticalLine.Y2 = current.ChartLocation.Y - DeltaY;

                HorizontalLine.X1 = current.ChartLocation.X - DeltaX;
                HorizontalLine.X2 = current.ChartLocation.X;
                HorizontalLine.Y1 = current.ChartLocation.Y - DeltaY;
                HorizontalLine.Y2 = current.ChartLocation.Y - DeltaY;

                if (Shape != null)
                {
                    Canvas.SetLeft(Shape, current.ChartLocation.X - Shape.Width / 2);
                    Canvas.SetTop(Shape, current.ChartLocation.Y - Shape.Height / 2);
                }

                if (DataLabel != null)
                {
                    DataLabel.UpdateLayout();
                    var xl = CorrectXLabel(current.ChartLocation.X - DataLabel.ActualWidth * .5, chart);
                    var yl = CorrectYLabel(current.ChartLocation.Y - DataLabel.ActualHeight * .5, chart);
                    Canvas.SetLeft(DataLabel, xl);
                    Canvas.SetTop(DataLabel, yl);
                }

                return;
            }

            var animSpeed = chart.View.AnimationsSpeed;

            VerticalLine.BeginDoubleAnimation(nameof(Line.X1), current.ChartLocation.X, animSpeed);
            VerticalLine.BeginDoubleAnimation(nameof(Line.X2), current.ChartLocation.X, animSpeed);
            VerticalLine.BeginDoubleAnimation(nameof(Line.Y1), current.ChartLocation.Y, animSpeed);
            VerticalLine.BeginDoubleAnimation(nameof(Line.Y2), current.ChartLocation.Y - DeltaY, animSpeed);

            HorizontalLine.BeginDoubleAnimation(nameof(Line.X1), current.ChartLocation.X - DeltaX, animSpeed);
            HorizontalLine.BeginDoubleAnimation(nameof(Line.X2), current.ChartLocation.X, animSpeed);
            HorizontalLine.BeginDoubleAnimation(nameof(Line.Y1), current.ChartLocation.Y - DeltaY, animSpeed);
            HorizontalLine.BeginDoubleAnimation(nameof(Line.Y2), current.ChartLocation.Y - DeltaY, animSpeed);

            Shape?.CreateCanvasStoryBoardAndBegin(current.ChartLocation.X - Shape.Width / 2,
                                                  current.ChartLocation.Y - Shape.Height / 2, animSpeed);

            if (DataLabel == null)
            {
                return;
            }

            {
                DataLabel.UpdateLayout();
                var xl = CorrectXLabel(current.ChartLocation.X - DataLabel.ActualWidth * .5, chart);
                var yl = CorrectYLabel(current.ChartLocation.Y - DataLabel.ActualHeight * .5, chart);
                Canvas.SetLeft(DataLabel, xl);
                Canvas.SetTop(DataLabel, yl);
            }
        }