protected override Point GetToolTipPosition(HoverableShape sender, List <HoverableShape> sibilings)
{
DataToolTip.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var x = sender.Value.X > (Min.X + Max.X) / 2
? ToPlotArea(sender.Value.X, AxisTags.X) - 10 - DataToolTip.DesiredSize.Width
: ToPlotArea(sender.Value.X, AxisTags.X) + 10;
var y = sender.Value.Y > (Min.Y + Max.Y) / 2
? ToPlotArea(sender.Value.Y, AxisTags.Y) + 10
: ToPlotArea(sender.Value.Y, AxisTags.Y) - 10 - DataToolTip.DesiredSize.Height;
return(new Point(x, y));
}
protected virtual Point GetToolTipPosition(HoverableShape sender, List <HoverableShape> sibilings)
{
DataToolTip.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var x = sender.Value.X > (Min.X + Max.X) / 2
? ToPlotArea(sender.Value.X, AxisTags.X) - 10 - DataToolTip.DesiredSize.Width
: ToPlotArea(sender.Value.X, AxisTags.X) + 10;
var y = ToPlotArea(sibilings.Select(s => s.Value.Y).DefaultIfEmpty(0).Sum()
/ sibilings.Count, AxisTags.Y);
y = y + DataToolTip.DesiredSize.Height > ActualHeight
? y - (y + DataToolTip.DesiredSize.Height - ActualHeight) - 5
: y;
return(new Point(x, y));
}
public override void DataMouseEnter(object sender, MouseEventArgs e)
{
if (DataToolTip == null)
{
return;
}
DataToolTip.Visibility = Visibility.Visible;
TooltipTimer.Stop();
var senderShape = HoverableShapes.FirstOrDefault(s => Equals(s.Shape, sender));
if (senderShape == null)
{
return;
}
senderShape.Target.Stroke = senderShape.Series.Stroke;
senderShape.Target.Fill = new SolidColorBrush {
Color = PointHoverColor
};
var scatterToolTip = DataToolTip as ScatterTooltip;
if (scatterToolTip != null)
{
scatterToolTip.PrimaryAxisTitle = PrimaryAxis.Title;
scatterToolTip.PrimaryValue = PrimaryAxis.LabelFormatter == null
? senderShape.Value.Y.ToString(CultureInfo.InvariantCulture)
: PrimaryAxis.LabelFormatter(senderShape.Value.Y);
scatterToolTip.SecondaryAxisTitle = SecondaryAxis.Title;
scatterToolTip.SecondaryValue = SecondaryAxis.LabelFormatter == null
? senderShape.Value.X.ToString(CultureInfo.InvariantCulture)
: SecondaryAxis.LabelFormatter(senderShape.Value.X);
}
var p = GetToolTipPosition(senderShape, null);
DataToolTip.BeginAnimation(Canvas.LeftProperty, new DoubleAnimation
{
To = p.X,
Duration = TimeSpan.FromMilliseconds(200)
});
DataToolTip.BeginAnimation(Canvas.TopProperty, new DoubleAnimation
{
To = p.Y,
Duration = TimeSpan.FromMilliseconds(200)
});
}
private void AxisInteractionCanvas_MouseLeave(object sender, System.Windows.Input.MouseEventArgs e)
{
var point = new Point(double.NegativeInfinity, double.NegativeInfinity);
if (!Standalone)
{
Plot(point, EventMessage.MouseOn);
Cross.PlotToParent(point, EventMessage.MouseOn);
DataToolTip.PlotToParent(point, EventMessage.MouseOn);
}
else
{
PlotStandalone(point, EventMessage.MouseOn);
Cross.PlotToParentStandalone(point, EventMessage.MouseOn);
DataToolTip.PlotToParentStandalone(point, EventMessage.MouseOn);
}
}
protected override Point GetToolTipPosition(HoverableShape sender, List <HoverableShape> sibilings)
{
DataToolTip.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var unitW = ToPlotArea(1, AxisTags.X) - PlotArea.X + 5;
var overflow = unitW - MaxColumnWidth > 0 ? unitW - MaxColumnWidth : 0;
unitW = unitW > MaxColumnWidth ? MaxColumnWidth : unitW;
var x = sender.Value.X + 1 > (Min.X + Max.X) / 2
? ToPlotArea(sender.Value.X, AxisTags.X) + overflow * .5 - DataToolTip.DesiredSize.Width
: ToPlotArea(sender.Value.X, AxisTags.X) + unitW + overflow * .5;
var y = ToPlotArea(sibilings.Where(s => s.Series is StackedBarSeries).Select(s => s.Value.Y).DefaultIfEmpty(0).Sum() * 0.5, AxisTags.Y);
y = y + DataToolTip.DesiredSize.Height > ActualHeight
? y - (y + DataToolTip.DesiredSize.Height - ActualHeight) - 5
: y;
return(new Point(x, y));
}
private void AxisInteractionVisual_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (ParentElement == null || !ParentElement.IsMouseOver)
{
return;
}
var point = e.GetPosition(this);
Cross.VisualData = VisualData;
DataToolTip.VisualData = VisualData;
if (!Standalone)
{
Plot(point, EventMessage.MouseOn);
Cross.PlotToParent(point, EventMessage.MouseOn);
DataToolTip.PlotToParent(point, EventMessage.MouseOn);
}
else
{
PlotStandalone(point, EventMessage.MouseOn);
Cross.PlotToParentStandalone(point, EventMessage.MouseOn);
DataToolTip.PlotToParentStandalone(point, EventMessage.MouseOn);
}
}
public virtual void DataMouseEnter(object sender, MouseEventArgs e)
{
if (DataToolTip == null)
{
return;
}
DataToolTip.Visibility = Visibility.Visible;
TooltipTimer.Stop();
var senderShape = HoverableShapes.FirstOrDefault(s => Equals(s.Shape, sender));
if (senderShape == null)
{
return;
}
var sibilings = HoverableShapes
.Where(s => Math.Abs(s.Value.X - senderShape.Value.X) < S.X * .001).ToList();
var first = sibilings.Count > 0 ? sibilings[0] : null;
var labels = SecondaryAxis.Labels != null?SecondaryAxis.Labels.ToArray() : null;
var vx = first != null ? first.Value.X : 0;
vx = AlphaLabel ? (int)(vx / (360d / Series.First().PrimaryValues.Count)) : vx;
foreach (var sibiling in sibilings)
{
if (ShapeHoverBehavior == ShapeHoverBehavior.Dot)
{
sibiling.Target.Stroke = sibiling.Series.Stroke;
sibiling.Target.Fill = new SolidColorBrush {
Color = PointHoverColor
};
}
else
{
sibiling.Target.Opacity = .8;
}
}
var indexedToolTip = DataToolTip as IndexedTooltip;
if (indexedToolTip != null)
{
indexedToolTip.Header = labels == null
? (SecondaryAxis.LabelFormatter == null
? vx.ToString(CultureInfo.InvariantCulture)
: SecondaryAxis.LabelFormatter(vx))
: (labels.Length > vx
? labels[(int)vx]
: "");
indexedToolTip.Data = sibilings.Select(x => new IndexedTooltipData
{
Index = Series.IndexOf(x.Series),
Series = x.Series,
Point = x.Value,
Value = PrimaryAxis.LabelFormatter == null
? x.Value.Y.ToString(CultureInfo.InvariantCulture)
: PrimaryAxis.LabelFormatter(x.Value.Y)
}).ToArray();
}
var p = GetToolTipPosition(senderShape, sibilings);
DataToolTip.BeginAnimation(Canvas.LeftProperty, new DoubleAnimation
{
To = p.X,
Duration = TimeSpan.FromMilliseconds(200)
});
DataToolTip.BeginAnimation(Canvas.TopProperty, new DoubleAnimation
{
To = p.Y,
Duration = TimeSpan.FromMilliseconds(200)
});
}
