internal override void UpdateEmptyPointSegments(List <double> xValues, bool isSidebySideSeries)
{
if (EmptyPointIndexes != null)
{
foreach (var item in EmptyPointIndexes[0])
{
DoughnutSegment segment = Segments[item] as DoughnutSegment;
bool explode = segment.IsExploded;
Segments[item].IsEmptySegmentInterior = true;
(Segments[item] as DoughnutSegment).AngleOfSlice = segment.AngleOfSlice;
(Segments[item] as DoughnutSegment).IsExploded = explode;
if (Adornments.Count > 0)
{
Adornments[item].IsEmptySegmentInterior = true;
}
}
}
}
/// <summary>
/// Creates the doughnut segments.
/// </summary>
public override void CreateSegments()
{
IList <double> toggledYValues = null;
List <double> xValues = null;
var actualData = ActualData;
if (double.IsNaN(GroupTo))
{
if (ToggledLegendIndex.Count > 0)
{
toggledYValues = GetYValues();
}
else
{
toggledYValues = YValues;
}
xValues = GetXValues();
}
else
{
if (Adornments != null)
{
Adornments.Clear();
}
if (Segments != null)
{
Segments.Clear();
}
var sumOfYValues = (from val in YValues
select(val) > 0 ? val : Math.Abs(double.IsNaN(val) ? 0 : val)).Sum();
double xIndexValues = 0d;
xValues = (from val in YValues where GetGroupModeValue(val, sumOfYValues) > GroupTo select(xIndexValues++)).ToList();
if (YValues.Count > xValues.Count)
{
xValues.Add(xIndexValues);
}
var groupToValues = GetGroupToYValues();
actualData = groupToValues.Item2;
if (ToggledLegendIndex.Count > 0)
{
toggledYValues = GetToggleYValues(groupToValues.Item1);
}
else
{
toggledYValues = groupToValues.Item1;
}
}
double arcEndAngle = DegreeToRadianConverter(EndAngle), arcStartAngle = DegreeToRadianConverter(StartAngle);
if (arcStartAngle == arcEndAngle)
{
Segments.Clear();
}
ARCLENGTH = arcEndAngle - arcStartAngle;
if (Math.Abs(Math.Round(ARCLENGTH, 2)) > TotalArcLength)
{
ARCLENGTH = ARCLENGTH % TotalArcLength;
}
ClearUnUsedAdornments(this.DataCount);
ClearUnUsedSegments(this.DataCount);
int explodedIndex = ExplodeIndex;
bool explodedAll = ExplodeAll;
if (xValues != null)
{
var grandTotal = (from val in toggledYValues
select(val) > 0 ? val : Math.Abs(double.IsNaN(val) ? 0 : val)).Sum();
var isMultipleDoughnut = !double.IsNaN(MaximumValue) && IsStackedDoughnut && GetDoughnutSeriesCount() == 1;
bool isEndValueExceed = false;
var visibleSegmentCount = 0;
for (int i = 0; i < xValues.Count; i++)
{
isEndValueExceed = false;
if (isMultipleDoughnut)
{
isEndValueExceed = (toggledYValues[i] >= MaximumValue);
arcEndAngle = grandTotal == 0 ? 0 : (Math.Abs(double.IsNaN(toggledYValues[i]) ? 0 : isEndValueExceed ? MaximumValue : toggledYValues[i]) * (ARCLENGTH / MaximumValue));
}
else
{
arcEndAngle = grandTotal == 0 ? 0 : (Math.Abs(double.IsNaN(toggledYValues[i]) ? 0 : toggledYValues[i]) * (ARCLENGTH / grandTotal));
}
if (i < Segments.Count)
{
var doughnutSegment = Segments[i] as DoughnutSegment;
doughnutSegment.SetData(arcStartAngle, arcStartAngle + arcEndAngle, this);
doughnutSegment.XData = xValues[i];
doughnutSegment.YData = !double.IsNaN(GroupTo) ? Math.Abs(toggledYValues[i]) : Math.Abs(YValues[i]);
doughnutSegment.AngleOfSlice = (2 * arcStartAngle + arcEndAngle) / 2;
doughnutSegment.IsExploded = explodedAll || (explodedIndex == i);
doughnutSegment.Item = actualData[i];
doughnutSegment.IsEndValueExceed = isEndValueExceed;
doughnutSegment.DoughnutSegmentIndex = visibleSegmentCount;
if (SegmentColorPath != null && !Segments[i].IsEmptySegmentInterior && ColorValues.Count > 0 && !Segments[i].IsSelectedSegment)
{
Segments[i].Interior = (Interior != null) ? Interior : ColorValues[i];
}
if (ToggledLegendIndex.Contains(i))
{
Segments[i].IsSegmentVisible = false;
}
else
{
Segments[i].IsSegmentVisible = true;
}
doughnutSegment.UpdateTrackInterior(i);
}
else
{
DoughnutSegment segment = new DoughnutSegment(arcStartAngle, arcStartAngle + arcEndAngle,
this)
{
XData = xValues[i],
YData = !double.IsNaN(GroupTo) ? Math.Abs(toggledYValues[i]) : Math.Abs(YValues[i]),
AngleOfSlice = (2 * arcStartAngle + arcEndAngle) / 2,
IsExploded = explodedAll || (explodedIndex == i),
Item = actualData[i],
IsEndValueExceed = isEndValueExceed,
DoughnutSegmentIndex = visibleSegmentCount
};
segment.SetData(arcStartAngle, arcStartAngle + arcEndAngle,
this);
if (ToggledLegendIndex.Contains(i))
{
segment.IsSegmentVisible = false;
}
else
{
segment.IsSegmentVisible = true;
}
Segments.Add(segment);
segment.UpdateTrackInterior(i);
}
if (AdornmentsInfo != null)
{
AddDoughnutAdornments(
xValues[i],
toggledYValues[i],
arcStartAngle,
arcStartAngle + arcEndAngle,
Segments.Count - 1,
i);
}
if (!double.IsNaN(toggledYValues[i]))
{
visibleSegmentCount++;
}
if (!IsStackedDoughnut)
{
arcStartAngle += arcEndAngle;
}
}
if (ShowEmptyPoints)
{
UpdateEmptyPointSegments(xValues, false);
}
UpdateSegmentGapAngle();
}
}