protected override void PlotModel_MouseDown(object sender, OxyMouseDownEventArgs e)
{
base.PlotModel_MouseDown(sender, e);
if (e.Handled)
{
return;
}
if (e.ClickCount == 1)
{
OxyPlot.Series.Series ser = PlotModel.GetSeriesFromPoint(e.Position, 20);
SelectedSeries = ser;
}
Axis xAxis, yAxis;
PlotModel.GetAxesFromPoint(e.Position, out xAxis, out yAxis);
if (xAxis != null && yAxis != null)
{
SelectedSeries = null;
}
else if (xAxis == null && yAxis != null && e.ChangedButton == OxyMouseButton.Left && e.ClickCount > 1 && PlotModel.Series.Count > 0)
{
ShowRangeDialog(yAxis);
}
else if (xAxis != null && yAxis == null && e.ChangedButton == OxyMouseButton.Left && e.ClickCount > 1 && PlotModel.Series.Count > 0)
{
ShowRangeDialog(xAxis);
}
}
protected virtual void Execute_AddMarkerCommand()
{
var pos = PlotModel.GetSeriesFromPoint(this.SelectedPosition, 20);
var point = pos.GetNearestPoint(this.SelectedPosition, false);
var dp = (XYPlotPaneViewModel.DataPoint)point.Item;
this.ProjectViewModel.AddMarkerCommand.Execute(dp.T);
}
/// <summary>
/// Gets the series that is nearest the specified point (in screen coordinates).
/// </summary>
/// <param name="pt">The point.</param>
/// <param name="limit">The maximum distance, if this is exceeded the method will return null.</param>
/// <returns>The closest DataSeries</returns>
public OxyPlot.DataSeries GetSeriesFromPoint(ScreenPoint pt, double limit = 100)
{
return(internalModel.GetSeriesFromPoint(pt, limit));
}
