private static void ApplyLayoutRoundingVertical(CombinedSeries series, RangeSeriesRoundLayoutContext roundLayoutContext)
{
double previousStackRight = -1;
RangeDataPoint firstPoint;
Dictionary <double, double> normalizedValueToY = new Dictionary <double, double>();
foreach (CombineGroup group in series.Groups)
{
foreach (CombineStack stack in group.Stacks)
{
firstPoint = stack.Points[0] as RangeDataPoint;
if (!firstPoint.isEmpty)
{
roundLayoutContext.SnapPointToGridLine(firstPoint);
// Handles visual glitches that might occur between clustered range bars.
RangeSeriesRoundLayoutContext.SnapNormalizedValueToPreviousY(firstPoint, normalizedValueToY);
SnapLeftToPreviousRight(firstPoint, previousStackRight);
previousStackRight = firstPoint.layoutSlot.Right;
}
else
{
previousStackRight = -1;
}
}
previousStackRight = -1;
}
}
private CombinedSeries GetCombinedSeries(ISupportCombineMode combinableSeries)
{
Type type = combinableSeries.GetType();
ChartSeriesCombineMode combineMode = combinableSeries.CombineMode;
AxisModel stackValueAxis = this.valueAxesExtractor(combinableSeries as IPlotAreaElementModelWithAxes);
foreach (CombinedSeries series in this.CombinedSeries)
{
if (series.SeriesType == type && series.CombineMode == combineMode && (combineMode == ChartSeriesCombineMode.Cluster ||
((combineMode == ChartSeriesCombineMode.Stack || combineMode == ChartSeriesCombineMode.Stack100) && series.StackValueAxis == stackValueAxis)))
{
return(series);
}
}
CombinedSeries newSeries = new CombinedSeries();
newSeries.SeriesType = type;
newSeries.CombineMode = combineMode;
newSeries.CombineIndex = this.CombinedSeries.Count;
newSeries.StackAxis = this.StackAxis;
newSeries.StackValueAxis = stackValueAxis;
this.CombinedSeries.Add(newSeries);
return(newSeries);
}
private static void ApplyLayoutRoundingVertical(CombinedSeries series, CategoricalSeriesRoundLayoutContext info)
{
double previousStackRight = -1;
CategoricalDataPoint firstPoint;
CategoricalDataPoint point;
CategoricalDataPoint previousPositivePoint = null;
CategoricalDataPoint previousNegativePoint = null;
foreach (CombineGroup group in series.Groups)
{
foreach (CombineStack stack in group.Stacks)
{
// first point is on the plot line
firstPoint = stack.Points[0] as CategoricalDataPoint;
if (previousStackRight != -1)
{
firstPoint.layoutSlot.X = previousStackRight;
}
info.SnapPointToPlotLine(firstPoint);
info.SnapPointToGridLine(firstPoint);
int count = stack.Points.Count;
previousPositivePoint = firstPoint;
previousNegativePoint = firstPoint;
for (int i = 1; i < count; i++)
{
point = stack.Points[i] as CategoricalDataPoint;
if (point.numericalPlot == null || double.IsNaN(point.layoutSlot.Center.X) || double.IsNaN(point.layoutSlot.Center.Y))
{
continue;
}
if (previousStackRight != -1)
{
point.layoutSlot.X = previousStackRight;
}
//// inverse axis with negative point is equivalent to regular axis with positive point
if (point.isPositive ^ point.numericalPlot.Axis.IsInverse)
{
point.layoutSlot.Y = previousPositivePoint.layoutSlot.Y - point.layoutSlot.Height;
previousPositivePoint = point;
}
else
{
point.layoutSlot.Y = previousNegativePoint.layoutSlot.Bottom;
previousNegativePoint = point;
}
info.SnapPointToGridLine(point);
}
previousStackRight = firstPoint.isEmpty ? -1 : firstPoint.layoutSlot.Right;
}
previousStackRight = -1;
}
}
private static CombinedSeriesRoundLayoutStrategy GetRoundLayoutStrategy(CombinedSeries series)
{
if (series.Series.Count > 0)
{
return(series.Series[0].GetCombinedRoundLayoutStrategy());
}
return(null);
}
private static CombinedSeriesPlotStrategy GetPlotStrategy(CombinedSeries series)
{
if (series.Series.Count > 0)
{
return(series.Series[0].GetCombinedPlotStrategy());
}
return(null);
}
public void Update(IList <ChartSeriesModel> series, AxisModel stackAxis)
{
if (this.isUpdated)
{
return;
}
this.StackAxis = stackAxis;
if (stackAxis.Type == AxisType.First)
{
this.valueAxesExtractor = sm => sm.SecondAxis;
}
else
{
this.valueAxesExtractor = sm => sm.FirstAxis;
}
foreach (ChartSeriesModel model in series)
{
if (!model.presenter.IsVisible)
{
continue;
}
AxisModel stackValueAxis = this.valueAxesExtractor(model as IPlotAreaElementModelWithAxes);
if (!this.StackValueAxes.Contains(stackValueAxis))
{
this.StackValueAxes.Add(stackValueAxis);
}
ISupportCombineMode combinableSeries = model as ISupportCombineMode;
if (combinableSeries == null || combinableSeries.CombineMode == ChartSeriesCombineMode.None)
{
this.NonCombinedSeries.Add(model);
continue;
}
CombinedSeries combinedSeries = this.GetCombinedSeries(combinableSeries);
combinedSeries.Series.Add(model);
this.HasCombination = true;
}
if (this.HasCombination)
{
this.BuildGroups();
}
this.isUpdated = true;
}
public override void Plot(CombinedSeries series, int combinedSeriesCount)
{
double groupPosition;
double groupLength;
double groupStartPosition;
double stackPosition;
double stackLength;
double stackStartPosition;
foreach (CombineGroup group in series.Groups)
{
CategoricalDataPointBase firstPoint = group.Stacks[0].Points[0] as CategoricalDataPointBase;
CategoricalAxisPlotInfo plotInfo = firstPoint.categoricalPlot;
if (plotInfo == null)
{
continue;
}
groupLength = plotInfo.Length / combinedSeriesCount;
stackLength = groupLength / group.Stacks.Count;
groupStartPosition = plotInfo.Position - plotInfo.Length / 2;
groupPosition = groupStartPosition + groupLength / 2 + (series.CombineIndex * groupLength);
stackStartPosition = groupPosition - groupLength / 2;
stackPosition = stackStartPosition + stackLength / 2;
foreach (CombineStack stack in group.Stacks)
{
foreach (CategoricalDataPointBase point in stack.Points)
{
plotInfo = point.categoricalPlot;
if (plotInfo != null)
{
plotInfo.Position = stackPosition;
plotInfo.Length = stackLength;
}
}
stackPosition += stackLength;
}
}
}
public override void ApplyLayoutRounding(ChartAreaModel chart, CombinedSeries series)
{
RangeBarSeriesModel rangeSeriesModel = series.Series[0] as RangeBarSeriesModel;
if (rangeSeriesModel == null)
{
Debug.Assert(false, "Invalid combined series.");
return;
}
RangeSeriesRoundLayoutContext info = new RangeSeriesRoundLayoutContext(rangeSeriesModel);
if (info.PlotDirection == AxisPlotDirection.Vertical)
{
ApplyLayoutRoundingVertical(series, info);
}
else
{
ApplyLayoutRoundingHorizontal(series, info);
}
}
private void ProcessSeries(CombinedSeries combinedSeries)
{
Dictionary <object, CombineGroup> groupsByKey = new Dictionary <object, CombineGroup>(8);
Dictionary <CombineStack, double> positiveValuesSumByStack = new Dictionary <CombineStack, double>();
Dictionary <CombineStack, double> negativeValuesSumByStack = new Dictionary <CombineStack, double>();
CombineStack stack;
double min;
double max;
bool positive;
foreach (ChartSeriesModel series in combinedSeries.Series)
{
if (!series.presenter.IsVisible)
{
continue;
}
AxisModel stackValueAxis = this.valueAxesExtractor(series as IPlotAreaElementModelWithAxes);
if (!this.MinimumStackSums.ContainsKey(stackValueAxis))
{
this.MinimumStackSums.Set(stackValueAxis, double.PositiveInfinity);
this.MaximumStackSums.Set(stackValueAxis, double.NegativeInfinity);
}
this.MinimumStackSums.TryGetValue(stackValueAxis, out min);
this.MaximumStackSums.TryGetValue(stackValueAxis, out max);
foreach (DataPoint point in series.DataPointsInternal)
{
object key = this.StackAxis.GetCombineGroupKey(point);
if (key == null)
{
continue;
}
CombineGroup group;
if (!groupsByKey.TryGetValue(key, out group))
{
group = new CombineGroup();
group.Key = key;
groupsByKey[key] = group;
combinedSeries.Groups.Add(group);
}
stack = group.GetStack(series as ISupportCombineMode);
stack.Points.Add(point);
if (!positiveValuesSumByStack.ContainsKey(stack))
{
positiveValuesSumByStack[stack] = 0d;
negativeValuesSumByStack[stack] = 0d;
}
double positivesSum = positiveValuesSumByStack[stack];
double negativesSum = negativeValuesSumByStack[stack];
double stackSumValue;
if (!stackValueAxis.TryGetStackSumValue(point, out stackSumValue, out positive, ref positivesSum, ref negativesSum))
{
continue;
}
positiveValuesSumByStack[stack] = positivesSum;
negativeValuesSumByStack[stack] = negativesSum;
if (positive)
{
stack.PositiveSum = stackSumValue;
}
else
{
stack.NegativeSum = stackSumValue;
}
min = Math.Min(min, stack.NegativeSum);
max = Math.Max(max, stack.PositiveSum);
}
this.MinimumStackSums.Set(stackValueAxis, min);
this.MaximumStackSums.Set(stackValueAxis, max);
}
}
public abstract void ApplyLayoutRounding(ChartAreaModel chart, CombinedSeries series);
public abstract void Plot(CombinedSeries series, int combinedSeriesCount);