/// <summary>
/// Repositions line data point in the sorted collection if the actual
/// independent axis is a range axis.
/// </summary>
/// <param name="dataPoint">The data point that has changed.</param>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
protected override void OnDataPointIndependentValueChanged(DataPoint dataPoint, object oldValue, object newValue)
{
if (ActualIndependentAxis is IRangeAxis && !oldValue.Equals(newValue))
{
bool removed = DataPointsByIndependentValue.Remove((IComparable)oldValue, dataPoint);
if (removed)
{
DataPointsByIndependentValue.Add((IComparable)newValue, dataPoint);
}
}
base.OnDataPointIndependentValueChanged(dataPoint, oldValue, newValue);
}
/// <summary>
/// Called after data points have been loaded from the items source.
/// </summary>
/// <param name="newDataPoints">New active data points.</param>
/// <param name="oldDataPoints">Old inactive data points.</param>
protected override void OnDataPointsChanged(IList <DataPoint> newDataPoints, IList <DataPoint> oldDataPoints)
{
base.OnDataPointsChanged(newDataPoints, oldDataPoints);
if (ActualIndependentAxis is IRangeAxis)
{
foreach (DataPoint dataPoint in oldDataPoints)
{
DataPointsByIndependentValue.Remove((IComparable)dataPoint.IndependentValue, dataPoint);
}
foreach (DataPoint dataPoint in newDataPoints)
{
DataPointsByIndependentValue.Add((IComparable)dataPoint.IndependentValue, dataPoint);
}
}
}