Inheritance: PointView, IOhlcPointView
示例#1
0
        /// <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 == 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)
            {
                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;
        }
示例#2
0
        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.View.HasTooltip || Model.Chart.View.HasDataClickEventAttached) && 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 = Model.Chart.View as Chart;
                if (wpfChart == null) return null;
                wpfChart.AttachEventsTo(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;
        }