/// <summary>
/// Acquires an independent axis suitable for use with the data values of the series.
/// </summary>
/// <returns>Axis instance.</returns>
protected override IAxis AcquireIndependentAxis()
{
IAxis independentAxis = SeriesHost.Axes
.Where(a => (a.Orientation == IndependentAxisOrientation) && ((a is ICategoryAxis) || (a is IRangeAxis)) && DataItems.Any() && (a.CanPlot(DataItems.First().ActualIndependentValue)))
.FirstOrDefault();
if (null == independentAxis)
{
independentAxis = new CategoryAxis { Orientation = IndependentAxisOrientation };
}
return independentAxis;
}
/// <summary>
/// Acquires an independent axis suitable for use with the data values of the series.
/// </summary>
/// <returns>Axis instance.</returns>
protected override IAxis AcquireIndependentAxis()
{
IAxis independentAxis = SeriesHost.Axes
.Where(a => (a.Orientation == AxisOrientation.X) && ((a is IRangeAxis) || (a is ICategoryAxis)) && DataItems.Any() && (a.CanPlot(DataItems.First().ActualIndependentValue)))
.FirstOrDefault();
if (null == independentAxis)
{
object probeValue = DataItems.Any() ? DataItems.First().ActualIndependentValue : null;
double convertedDouble;
DateTime convertedDateTime;
if ((null != probeValue) && ValueHelper.TryConvert(probeValue, out convertedDouble))
{
independentAxis = new LinearAxis();
}
else if ((null != probeValue) && ValueHelper.TryConvert(probeValue, out convertedDateTime))
{
independentAxis = new DateTimeAxis();
}
else
{
independentAxis = new CategoryAxis();
}
independentAxis.Orientation = AxisOrientation.X;
}
return independentAxis;
}
/// <summary>
/// Acquire a horizontal linear axis and a vertical linear axis.
/// </summary>
/// <param name="firstDataPoint">The first data point.</param>
protected override void GetAxes(DataPoint firstDataPoint)
{
GetAxes(
firstDataPoint,
(axis) => axis.Orientation == AxisOrientation.X,
() =>
{
IAxis axis = CreateRangeAxisFromData(firstDataPoint.IndependentValue);
if (axis == null)
{
axis = new CategoryAxis();
}
axis.Orientation = AxisOrientation.X;
return axis;
},
(axis) => axis.Orientation == AxisOrientation.Y && axis is IRangeAxis,
() =>
{
DisplayAxis axis = (DisplayAxis)CreateRangeAxisFromData(firstDataPoint.DependentValue);
if (axis == null)
{
throw new InvalidOperationException(ModernUI.Toolkit.Data.Charting.Resources.DataPointSeriesWithAxes_NoSuitableAxisAvailableForPlottingDependentValue);
}
axis.ShowGridLines = true;
axis.Orientation = AxisOrientation.Y;
return axis;
});
}
