/// <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);
}
/// <summary>
/// Creates the segments of StackingAreaSeries
/// </summary>
public override void CreateSegments()
{
ClearUnUsedAdornments(this.DataCount);
List <double> xValues = new List <double>();
List <double> drawingListXValues = new List <double>();
List <double> drawingListYValues = new List <double>();
double Origin = ActualXAxis != null ? ActualXAxis.Origin : 0d;
if (ActualXAxis != null && ActualXAxis.Origin == 0 && ActualYAxis is LogarithmicAxis &&
(ActualYAxis as LogarithmicAxis).Minimum != null)
{
Origin = (double)(ActualYAxis as LogarithmicAxis).Minimum;
}
if (ActualXAxis is CategoryAxis && !(ActualXAxis as CategoryAxis).IsIndexed)
{
Adornments.Clear();
xValues = GroupedXValuesIndexes;
}
else
{
xValues = GetXValues();
}
var stackingValues = GetCumulativeStackValues(this);
if (stackingValues != null)
{
YRangeStartValues = stackingValues.StartValues;
YRangeEndValues = stackingValues.EndValues;
if (YRangeStartValues != null)
{
drawingListXValues.AddRange(xValues);
drawingListYValues.AddRange(YRangeStartValues);
}
else
{
drawingListXValues.AddRange(xValues);
drawingListYValues = (from val in xValues select Origin).ToList();
}
drawingListXValues.AddRange((from val in xValues select val).Reverse().ToList());
drawingListYValues.AddRange((from val in YRangeEndValues select val).Reverse().ToList());
if (Segment == null || Segments.Count == 0)
{
Segment = new StackingAreaSegment(drawingListXValues, drawingListYValues, this)
{
Series = this,
Item = ActualData
};
Segment.SetData(drawingListXValues, drawingListYValues);
Segments.Add(Segment);
}
else
{
Segment.Item = ActualData;
Segment.SetData(drawingListXValues, drawingListYValues);
}
if (ShowEmptyPoints)
{
UpdateEmptyPointSegments(drawingListXValues, false);
}
if (AdornmentsInfo != null)
{
AddStackingAreaAdornments(YRangeEndValues);
}
}
}
