protected internal override void DataMouseEnter(object sender, MouseEventArgs e)
{
if (DataTooltip == null || !Hoverable)
{
return;
}
DataTooltip.Visibility = Visibility.Visible;
TooltipTimer.Stop();
var senderShape = ShapesMapper.FirstOrDefault(s => Equals(s.HoverShape, sender));
if (senderShape == null)
{
return;
}
var pieSlice = senderShape.HoverShape as PieSlice;
if (pieSlice == null)
{
return;
}
var xi = senderShape.Series.ScalesXAt;
var yi = senderShape.Series.ScalesYAt;
var labels = AxisX[xi].Labels != null ? AxisX[xi].Labels.ToArray() : null;
senderShape.Shape.Opacity = .8;
var vx = senderShape.ChartPoint.X;
var indexedToolTip = DataTooltip as IndexedTooltip;
if (indexedToolTip != null)
{
indexedToolTip.Header = null;
//labels == null
// ? (AxisX.LabelFormatter == null
// ? vx.ToString(CultureInfo.InvariantCulture)
// : AxisX.LabelFormatter(vx))
// : (labels.Length > vx
// ? labels[(int)vx]
// : "");
indexedToolTip.Data = new[]
{
new IndexedTooltipData
{
Index = (int)vx,
Stroke = senderShape.HoverShape.Stroke,
Fill = senderShape.HoverShape.Fill,
Series = senderShape.Series,
Point = senderShape.ChartPoint,
Value = AxisY[yi].LabelFormatter == null
? senderShape.ChartPoint.Y.ToString(CultureInfo.InvariantCulture)
: AxisY[yi].LabelFormatter(senderShape.ChartPoint.Y)
}
};
}
var alpha = pieSlice.RotationAngle + pieSlice.WedgeAngle * .5 + 180;
var alphaRad = alpha * Math.PI / 180;
var sliceMidAngle = alpha - 180;
DataTooltip.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var y = Canvas.ActualHeight * .5 + (sliceMidAngle > 90 && sliceMidAngle < 270 ? -1 : 0) * DataTooltip.DesiredSize.Height - Math.Cos(alphaRad) * 15;
var x = Canvas.ActualWidth * .5 + (sliceMidAngle > 0 && sliceMidAngle < 180 ? -1 : 0) * DataTooltip.DesiredSize.Width + Math.Sin(alphaRad) * 15;
var p = new Point(x, y);
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)
});
pieSlice.Opacity = .8;
var anim = new DoubleAnimation
{
To = 5,
Duration = TimeSpan.FromMilliseconds(150)
};
pieSlice.BeginAnimation(PieSlice.PushOutProperty, anim);
}
private void DataMouseEnter(object sender, EventArgs e)
{
TooltipTimeoutTimer.Stop();
var source = ActualSeries.SelectMany(x => x.ActualValues.GetPoints(x)).ToList();
var senderPoint = source.FirstOrDefault(x => x.View != null &&
Equals(((PointView)x.View).HoverShape, sender));
if (senderPoint == null)
{
return;
}
if (Hoverable)
{
senderPoint.View.OnHover(senderPoint);
}
if (DataTooltip != null)
{
if (DataTooltip.Parent == null)
{
Panel.SetZIndex(DataTooltip, int.MaxValue);
AddToView(DataTooltip);
Canvas.SetTop(DataTooltip, 0d);
Canvas.SetLeft(DataTooltip, 0d);
}
ActiveTooltip = DataTooltip;
var lcTooltip = DataTooltip as IChartTooltip;
if (lcTooltip == null)
{
throw new LiveChartsException("The current tooltip is not valid, ensure it implements IChartsTooltip");
}
if (lcTooltip.SelectionMode == null)
{
lcTooltip.SelectionMode = senderPoint.SeriesView.Model.PreferredSelectionMode;
}
var coreModel = ChartFunctions.GetTooltipData(senderPoint, Model, lcTooltip.SelectionMode.Value);
lcTooltip.Data = new TooltipData
{
XFormatter = coreModel.XFormatter,
YFormatter = coreModel.YFormatter,
SharedValue = coreModel.Shares,
SelectionMode = lcTooltip.SelectionMode ?? TooltipSelectionMode.OnlySender,
Points = coreModel.Points.Select(x => new DataPointViewModel
{
Series = new SeriesViewModel
{
PointGeometry = ((Series)x.SeriesView).PointGeometry ??
Geometry.Parse("M 0,0.5 h 1,0.5 Z"),
Fill = ((Series)x.SeriesView) is IFondeable
? ((IFondeable)x.SeriesView).PointForeround
: ((Series)x.SeriesView).Fill,
Stroke = ((Series)x.SeriesView).Stroke,
StrokeThickness = ((Series)x.SeriesView).StrokeThickness,
Title = ((Series)x.SeriesView).Title,
},
ChartPoint = x
}).ToList()
};
DataTooltip.Visibility = Visibility.Visible;
DataTooltip.UpdateLayout();
var location = GetTooltipPosition(senderPoint);
location = new Point(Canvas.GetLeft(DrawMargin) + location.X, Canvas.GetTop(DrawMargin) + location.Y);
if (lcTooltip.IsWrapped)
{
var container = (FrameworkElement)DataTooltip.Parent;
var positionTransform = TransformToAncestor(container);
var pos = positionTransform.Transform(new Point(0, 0));
location.X += pos.X;
location.Y += pos.Y;
if (location.X < 0)
{
location.X = 0;
}
if (location.X + DataTooltip.ActualWidth > container.ActualWidth)
{
var dif = container.ActualWidth - (location.X + DataTooltip.ActualWidth);
dif *= container.ActualWidth / 2 > senderPoint.ChartLocation.X ? 1 : -1;
location.X += dif;
}
}
if (DisableAnimations)
{
Canvas.SetLeft(DataTooltip, location.X);
Canvas.SetTop(DataTooltip, location.Y);
}
else
{
DataTooltip.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(location.X, TimeSpan.FromMilliseconds(200)));
DataTooltip.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(location.Y, TimeSpan.FromMilliseconds(200)));
}
}
}
protected internal override void DataMouseEnter(object sender, MouseEventArgs e)
{
//this is only while we fix PCL try...
if (DataTooltip == null || !Hoverable)
{
return;
}
DataTooltip.Visibility = Visibility.Visible;
TooltipTimer.Stop();
var senderShape = Series.SelectMany(
x =>
x.IsPrimitive
? x.Tracker.Primitives.Select(v => v.Value)
: x.Tracker.Instances.Select(v => v.Value))
.FirstOrDefault(x => Equals(x.HoverShape, sender));
if (senderShape == null)
{
return;
}
var targetAxis = Invert ? senderShape.Series.ScalesYAt : senderShape.Series.ScalesXAt;
var sibilings = Invert
? Series.SelectMany(
x =>
x.IsPrimitive
? x.Tracker.Primitives.Select(v => v.Value)
: x.Tracker.Instances.Select(v => v.Value))
.Where(s => Math.Abs(s.ChartPoint.Y - senderShape.ChartPoint.Y) < AxisY[targetAxis].S * .01)
.ToList()
: Series.SelectMany(
x =>
x.IsPrimitive
? x.Tracker.Primitives.Select(v => v.Value)
: x.Tracker.Instances.Select(v => v.Value))
.Where(s => Math.Abs(s.ChartPoint.X - senderShape.ChartPoint.X) < AxisX[targetAxis].S * .01)
.ToList();
var first = sibilings.Count > 0 ? sibilings[0] : null;
var vx = first != null ? (Invert ? first.ChartPoint.Y : first.ChartPoint.X) : 0;
foreach (var sibiling in sibilings)
{
if (ShapeHoverBehavior == ShapeHoverBehavior.Dot)
{
sibiling.Shape.Stroke = sibiling.Series.Stroke;
sibiling.Shape.Fill = new SolidColorBrush {
Color = PointHoverColor
};
}
else
{
sibiling.Shape.Opacity = .8;
}
sibiling.IsHighlighted = true;
}
var indexedToolTip = DataTooltip as IndexedTooltip;
if (indexedToolTip != null)
{
var fh = (Invert ? AxisY[targetAxis] : AxisX[targetAxis]).GetFormatter();
var fs = (Invert ? AxisX[targetAxis] : AxisY[targetAxis]).GetFormatter();
indexedToolTip.Header = fh(vx);
indexedToolTip.Data = sibilings.Select(x => new IndexedTooltipData
{
Index = Series.IndexOf(x.Series),
Series = x.Series,
Stroke = x.Series.Stroke,
Fill = x.Series.Fill,
Point = x.ChartPoint,
Value = fs(Invert ? x.ChartPoint.X : x.ChartPoint.Y)
}).ToArray();
}
//var p = GetToolTipPosition(senderShape, sibilings);
DataTooltip.UpdateLayout();
DataTooltip.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
var xt = senderShape.ChartPoint.X > (AxisX[targetAxis].MinLimit + AxisX[targetAxis].MaxLimit) / 2
? senderShape.ChartPoint.Location.X - 10 - DataTooltip.DesiredSize.Width
: senderShape.ChartPoint.Location.X + 10;
xt += System.Windows.Controls.Canvas.GetLeft(DrawMargin);
var y = sibilings.Select(s => s.ChartPoint.Location.Y).DefaultIfEmpty(0).Sum() / sibilings.Count;
y = y + DataTooltip.DesiredSize.Height > ActualHeight ? y - (y + DataTooltip.DesiredSize.Height - ActualHeight) - 5 : y;
var p = new Point(xt, y);
DataTooltip.BeginAnimation(System.Windows.Controls.Canvas.LeftProperty, new DoubleAnimation
{
To = p.X,
Duration = TimeSpan.FromMilliseconds(200)
});
DataTooltip.BeginAnimation(System.Windows.Controls.Canvas.TopProperty, new DoubleAnimation
{
To = p.Y,
Duration = TimeSpan.FromMilliseconds(200)
});
}
private void DataMouseEnter(object sender, EventArgs e)
{
if (DataTooltip == null)
{
return;
}
TooltipTimeoutTimer.Stop();
if (DataTooltip.Parent == null)
{
Panel.SetZIndex(DataTooltip, int.MaxValue);
AddToDrawMargin(DataTooltip);
Canvas.SetTop(DataTooltip, 0d);
Canvas.SetLeft(DataTooltip, 0d);
}
var source = Series.SelectMany(x => x.Values.Points);
var senderPoint = source.FirstOrDefault(x => Equals(((PointView)x.View).HoverShape, sender));
if (senderPoint == null)
{
return;
}
var ax = AxisX[senderPoint.SeriesView.ScalesXAt];
var ay = AxisY[senderPoint.SeriesView.ScalesYAt];
senderPoint.View.OnHover(senderPoint);
var pointsToHighlight = Enumerable.Empty <ChartPoint>();
double?shares = null;
//ToDo: the tooltip should be smart enough to detect the best SelectionMode
switch (DataTooltip.SelectionMode)
{
case TooltipSelectionMode.OnlySender:
pointsToHighlight = new List <ChartPoint> {
senderPoint
};
break;
case TooltipSelectionMode.SharedXValues:
pointsToHighlight = Series.Where(x => x.ScalesXAt == senderPoint.SeriesView.ScalesXAt)
.SelectMany(x => x.Values.Points)
.Where(x => Math.Abs(x.X - senderPoint.X) < ax.Model.S * .01);
shares = (this as PieChart) == null ? (double?)senderPoint.X : null;
break;
case TooltipSelectionMode.SharedYValues:
pointsToHighlight = Series.Where(x => x.ScalesYAt == senderPoint.SeriesView.ScalesYAt)
.SelectMany(x => x.Values.Points)
.Where(x => Math.Abs(x.Y - senderPoint.Y) < ay.Model.S * .01);
shares = senderPoint.Y;
break;
default:
throw new ArgumentOutOfRangeException();
}
DataTooltip.Data = new TooltipData
{
XFormatter = ax.Model.GetFormatter(),
YFormatter = ay.Model.GetFormatter(),
SharedValue = shares,
SelectionMode = DataTooltip.SelectionMode,
Points = pointsToHighlight.Select(x => new DataPointViewModel
{
Series = new Wpf.SeriesViewModel
{
Fill = ((Series.Series)x.SeriesView).Fill,
Stroke = ((Series.Series)x.SeriesView).Stroke,
StrokeThickness = ((Series.Series)x.SeriesView).StrokeThickness,
Title = ((Series.Series)x.SeriesView).Title,
},
ChartPoint = x
}).ToList()
};
DataTooltip.Visibility = Visibility.Visible;
DataTooltip.UpdateLayout();
var location = GetTooltipPosition(senderPoint);
DataTooltip.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(location.X, TimeSpan.FromMilliseconds(200)));
DataTooltip.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(location.Y, TimeSpan.FromMilliseconds(200)));
}
private void DataMouseEnter(object sender, EventArgs e)
{
var source = Model.ActualSeries.SelectMany(x => x.ActualValues.Points);
var senderPoint = source.FirstOrDefault(x => x.View != null &&
Equals(((PointView)x.View).HoverShape, sender));
if (senderPoint == null)
{
return;
}
if (Hoverable)
{
senderPoint.View.OnHover(senderPoint);
}
if (DataTooltip != null)
{
TooltipTimeoutTimer.Stop();
if (DataTooltip.Parent == null)
{
Panel.SetZIndex(DataTooltip, int.MaxValue);
AddToView(DataTooltip);
Canvas.SetTop(DataTooltip, 0d);
Canvas.SetLeft(DataTooltip, 0d);
}
if (DataTooltip.SelectionMode == null)
{
DataTooltip.SelectionMode = senderPoint.SeriesView.Model.PreferredSelectionMode;
}
var coreModel = ChartFunctions.GetTooltipData(senderPoint, Model, DataTooltip.SelectionMode.Value);
DataTooltip.ViewModel = new WpfTooltipViewModel
{
XFormatter = coreModel.XFormatter,
YFormatter = coreModel.YFormatter,
SharedValue = coreModel.Shares,
SelectionMode = DataTooltip.SelectionMode ?? TooltipSelectionMode.OnlySender,
Points = coreModel.Points.Select(x => new DataPointViewModel
{
Series = new SeriesViewModel
{
Geometry = ((Series.Series)x.SeriesView).PointGeometry ?? Geometry.Parse("M 0,0.5 h 1,0.5 Z"),
Fill = ((Series.Series)x.SeriesView).Fill,
Stroke = ((Series.Series)x.SeriesView).Stroke,
StrokeThickness = ((Series.Series)x.SeriesView).StrokeThickness,
Title = ((Series.Series)x.SeriesView).Title,
},
ChartPoint = x
}).ToList()
};
DataTooltip.Visibility = Visibility.Visible;
DataTooltip.UpdateLayout();
var location = GetTooltipPosition(senderPoint);
location = new Point(Canvas.GetLeft(DrawMargin) + location.X, Canvas.GetTop(DrawMargin) + location.Y);
if (DisableAnimations)
{
Canvas.SetLeft(DataTooltip, location.X);
Canvas.SetTop(DataTooltip, location.Y);
}
else
{
DataTooltip.BeginAnimation(Canvas.LeftProperty,
new DoubleAnimation(location.X, TimeSpan.FromMilliseconds(200)));
DataTooltip.BeginAnimation(Canvas.TopProperty,
new DoubleAnimation(location.Y, TimeSpan.FromMilliseconds(200)));
}
}
}