/// <summary>
/// Method implementation for Set points to given index
/// </summary>
/// <param name="index"></param>
/// <param name="obj"></param>
/// <param name="replace"></param>
protected override void SetIndividualPoint(int index, object obj, bool replace)
{
// Updating summary value of the series.
if (SummaryBindingPath != null)
{
object summaryValue = GetArrayPropertyValue(obj, new string[] { SummaryBindingPath });
if (replace && SummaryValues.Count > index)
{
SummaryValues[index] = Convert.ToBoolean(summaryValue);
}
else
{
SummaryValues.Insert(index, Convert.ToBoolean(summaryValue));
}
}
// Updating x and y value of the series.
base.SetIndividualPoint(index, obj, replace);
// Updating segment's SegmentType property based on yvalue.
if (SummaryValues != null && index < Segments.Count && index < YValues.Count)
{
WaterfallSegment segment = Segments[index] as WaterfallSegment;
if (SummaryValues[index] == false)
{
if (YValues[index] < 0)
{
segment.SegmentType = WaterfallSegmentType.Negative;
}
else
{
segment.SegmentType = WaterfallSegmentType.Positive;
}
}
else
{
segment.SegmentType = WaterfallSegmentType.Sum;
}
// Updating changed segment interior property.
segment.BindProperties();
}
}
/// <summary>
/// Creates the segments of WaterfallSeries.
/// </summary>
public override void CreateSegments()
{
List <double> xValues = GetXValues();
double median = 0d;
DoubleRange sbsInfo = this.GetSideBySideInfo(this);
median = sbsInfo.Delta / 2;
double origin = ActualXAxis != null ? ActualXAxis.Origin : 0;
if (ActualXAxis != null && ActualXAxis.Origin == 0 &&
ActualYAxis is LogarithmicAxis &&
(ActualYAxis as LogarithmicAxis).Minimum != null)
{
origin = (double)(ActualYAxis as LogarithmicAxis).Minimum;
}
if (xValues != null)
{
double x1, x2, y1, y2;
ClearUnUsedSegments(this.DataCount);
ClearUnUsedAdornments(this.DataCount);
for (int i = 0; i < this.DataCount; i++)
{
if (i < this.DataCount)
{
// Calculate the waterfall segment rendering values.
OnCalculateSegmentValues(
out x1,
out x2,
out y1,
out y2,
i,
origin,
xValues[i]);
WaterfallSegment segment = null;
bool isSum = false;
if (i < Segments.Count)
{
segment = Segments[i] as WaterfallSegment;
segment.SetData(x1, y1, x2, y2);
segment.XData = xValues[i];
segment.YData = YValues[i];
segment.Item = ActualData[i];
if (segment.SegmentType == WaterfallSegmentType.Sum)
{
isSum = true;
}
// Update sum segment values.
OnUpdateSumSegmentValues(segment, i, isSum, origin);
segment.BindProperties();
}
else
{
segment = new WaterfallSegment(x1, y1, x2, y2, this)
{
XData = xValues[i],
YData = YValues[i],
Item = ActualData[i]
};
// Raise segment created event.
isSum = RaiseSegmentCreatedEvent(segment, i);
// Update sum segment values.
OnUpdateSumSegmentValues(segment, i, isSum, origin);
Segments.Add(segment);
}
#region Adornment calculation
if (AdornmentsInfo != null)
{
if (segment.SegmentType == WaterfallSegmentType.Sum)
{
if (Segments.IndexOf(segment) > 0 && AllowAutoSum)
{
if (this.AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.TopAndBottom)
{
AddColumnAdornments(xValues[i], segment.WaterfallSum, x1, segment.WaterfallSum / 2, i, median);
}
else if (segment.WaterfallSum >= 0)
{
AddColumnAdornments(xValues[i], segment.WaterfallSum, x1, segment.Top, i, median);
}
else
{
AddColumnAdornments(xValues[i], segment.WaterfallSum, x1, segment.Bottom, i, median);
}
}
else
{
if (this.AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.TopAndBottom)
{
AddColumnAdornments(xValues[i], YValues[i], x1, y1 + (y2 - y1) / 2, i, median);
}
else if (YValues[i] >= 0)
{
AddColumnAdornments(xValues[i], YValues[i], x1, segment.Top, i, median);
}
else
{
AddColumnAdornments(xValues[i], YValues[i], x1, segment.Bottom, i, median);
}
}
}
else if (this.AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.Top)
{
if (segment.SegmentType == WaterfallSegmentType.Positive)
{
AddColumnAdornments(xValues[i], YValues[i], x1, y1, i, median);
}
else
{
AddColumnAdornments(xValues[i], YValues[i], x1, y2, i, median);
}
}
else if (this.AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.Bottom)
{
if (segment.SegmentType == WaterfallSegmentType.Positive)
{
AddColumnAdornments(xValues[i], YValues[i], x1, y2, i, median);
}
else
{
AddColumnAdornments(xValues[i], YValues[i], x1, y1, i, median);
}
}
else
{
AddColumnAdornments(xValues[i], YValues[i], x1, y1 + (y2 - y1) / 2, i, median);
}
}
#endregion
}
}
}
this.ActualArea.IsUpdateLegend = true;
}
