private void DataMouseDown(object sender, MouseEventArgs e)
{
var result = ActualSeries.SelectMany(x => x.ActualValues.GetPoints(x))
.FirstOrDefault(x =>
{
var pointView = x.View as PointView;
return(pointView != null && Equals(pointView.HoverShape, sender));
});
OnDataClick(sender, result);
}
private void DataMouseLeave(object sender, EventArgs e)
{
TooltipTimeoutTimer.Stop();
TooltipTimeoutTimer.Start();
var source = ActualSeries.SelectMany(x => x.ActualValues.GetPoints(x));
var senderPoint = source.FirstOrDefault(x => x.View != null &&
Equals(((PointView)x.View).HoverShape, sender));
if (senderPoint == null)
{
return;
}
if (Hoverable)
{
senderPoint.View.OnHoverLeave(senderPoint);
}
}
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)));
}
}
}
private void DataMouseEnter(object sender, PointerRoutedEventArgs 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)
{
Canvas.SetZIndex(DataTooltip, short.MaxValue);
AddToView(DataTooltip);
Canvas.SetTop(DataTooltip, 0d);
Canvas.SetLeft(DataTooltip, 0d);
}
if (ActiveTooltip != null)
{
ActiveTooltip.Visibility = Visibility.Collapsed;
}
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 == TooltipSelectionMode.Auto)
{
lcTooltip.SelectionMode = senderPoint.SeriesView.Model.PreferredSelectionMode;
}
var coreModel = ChartFunctions.GetTooltipData(senderPoint, Model, lcTooltip.SelectionMode);
lcTooltip.Data = new TooltipData
{
XFormatter = coreModel.XFormatter,
YFormatter = coreModel.YFormatter,
SharedValue = coreModel.Shares,
SelectionMode =
lcTooltip.SelectionMode == TooltipSelectionMode.Auto
? TooltipSelectionMode.OnlySender
: lcTooltip.SelectionMode,
Points = coreModel.Points.Select(x => new DataPointViewModel
{
Series = new SeriesViewModel
{
PointGeometry = ((Series)x.SeriesView).PointGeometry == DefaultGeometries.None
? new PointGeometry("M 0, 0.5 h 1, 0.5 Z").Parse()
: ((Series)x.SeriesView).PointGeometry.Parse(),
Fill = ((Series)x.SeriesView) is IFondeable &&
!(x.SeriesView is IVerticalStackedAreaSeriesView ||
x.SeriesView is IStackedAreaSeriesView)
? ((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 = TransformToVisual(container);
var pos = positionTransform.TransformPoint(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
{
var storyBoard = new Storyboard();
var xAnimation = new DoubleAnimation()
{
To = location.X,
Duration = TimeSpan.FromMilliseconds(200)
};
var yAnimation = new DoubleAnimation()
{
To = location.Y,
Duration = TimeSpan.FromMilliseconds(200)
};
storyBoard.Children.Add(xAnimation);
storyBoard.Children.Add(yAnimation);
Storyboard.SetTarget(xAnimation, DataTooltip);
Storyboard.SetTargetProperty(xAnimation, "(Canvas.Left)");
Storyboard.SetTarget(yAnimation, DataTooltip);
Storyboard.SetTargetProperty(yAnimation, "(Canvas.Top)");
storyBoard.Begin();
}
}
}