/// <summary>
/// Creates the segments of FastLineSeries.
/// </summary>
public override void CreateSegments()
{
if (GroupedSeriesYValues != null && GroupedSeriesYValues[0].Contains(double.NaN))
{
List <List <double> > yValList;
List <List <double> > xValList;
this.CreateEmptyPointSegments(GroupedSeriesYValues[0], out yValList, out xValList);
}
else if (YValues.Contains(double.NaN))
{
List <List <double> > yValList;
List <List <double> > xValList;
this.CreateEmptyPointSegments(YValues, out yValList, out xValList);
}
else
{
bool isGrouping = this.ActualXAxis is CategoryAxis ? (this.ActualXAxis as CategoryAxis).IsIndexed : true;
if (!isGrouping)
{
xValues = GroupedXValuesIndexes;
}
else
{
xValues = (ActualXValues is IList <double> && !IsIndexed) ? ActualXValues as IList <double> : GetXValues();
}
if (!isGrouping)
{
Segments.Clear();
Adornments.Clear();
if (Segment == null || Segments.Count == 0)
{
FastLineSegment segment = new FastLineSegment(xValues, GroupedSeriesYValues[0], this);
Segment = segment;
Segments.Add(segment);
}
}
else
{
ClearUnUsedAdornments(this.DataCount);
if (Segment == null || Segments.Count == 0)
{
FastLineSegment segment = new FastLineSegment(xValues, YValues, this);
Segment = segment;
Segments.Add(segment);
}
else if (ActualXValues != null)
{
Segment.SetData(xValues, YValues);
(Segment as FastLineSegment).SetRange();
Segment.Item = ActualData;
}
}
isAdornmentPending = true;
}
}
public override void CreateEmptyPointSegments(IList <double> YValues, out List <List <double> > yValList, out List <List <double> > xValList)
{
if (this.ActualXAxis is CategoryAxis && (!(this.ActualXAxis as CategoryAxis).IsIndexed))
{
xValues = GroupedXValuesIndexes;
base.CreateEmptyPointSegments(GroupedSeriesYValues[0], out yValList, out xValList);
}
else
{
xValues = (ActualXValues is IList <double> && !IsIndexed) ? ActualXValues as IList <double> : GetXValues();
base.CreateEmptyPointSegments(YValues, out yValList, out xValList);
}
int j = 0;
// EmptyPoint calculation
if (Segments.Count != yValList.Count)
{
Segments.Clear();
}
ClearUnUsedAdornments(this.DataCount);
if (Segment == null || Segments.Count == 0)
{
for (int i = 0; i < yValList.Count && i < xValList.Count; i++)
{
if (i < xValList.Count && i < yValList.Count && xValList[i].Count > 0 && yValList[i].Count > 0)
{
Segment = new FastLineSegment(xValList[i], yValList[i], this);
Segments.Add(Segment);
}
}
}
else if (xValues != null)
{
foreach (var segment in Segments)
{
if (j < xValList.Count && j < yValList.Count && xValList[j].Count > 0 && yValList[j].Count > 0)
{
segment.SetData(xValList[j], yValList[j]);
(segment as FastLineSegment).SetRange();
}
j++;
}
}
isAdornmentPending = true;
}
/// <summary>
/// Called when DataSource property changed
/// </summary>
/// <param name="oldValue"></param>
/// <param name="newValue"></param>
protected override void OnDataSourceChanged(System.Collections.IEnumerable oldValue, System.Collections.IEnumerable newValue)
{
Segment = null;
base.OnDataSourceChanged(oldValue, newValue);
}
