plotPoints method

void plotPoints(dynamic dataList, List uniqueValues)

Implementation

void plotPoints(dynamic dataList, List uniqueValues) {
  xValues.clear();
  barDataPoint.clear();

  var type = this.type?.toLowerCase().trim();

  switch (type) {
    case 'stacked':
      stackDataPoint.clear();
      plotFunction = pointFromStackedBarData;
      break;

    case 'grouped':
      rodDataPoint.clear();
      plotFunction = pointFromGroupedBarData;
      barDataPoint.add(BarChartGroupDataExtended(this, data,
          x: uniqueValues.length, barRods: rodDataPoint));
      break;

    case 'waterfall':
      plotFunction = pointFromWaterfallBarData;
      break;

    case 'bar':
    default:
      plotFunction = pointFromBarData;
      break;
  }

  int len = uniqueValues.length;
  for (var i = 0; i < dataList.length; i++) {
    //set the data of the series for databinding
    data = dataList[i];

    if (type == 'bar' || type == 'waterfall' || type == null) {
      xValues.add(x);
      x = len;
      len += 1;
    } else {
      x = len;
    }
    plotFunction!();
  }

  if (type == 'stacked') {
    stackDataPoint.sort((b, a) => a.toY.compareTo(b.toY));
    barDataPoint.add(BarChartGroupDataExtended(this, data,
        x: uniqueValues.length,
        barRods: [
          BarChartRodDataExtended(this, data,
              toY: stackDataPoint[0].toY,
              color: Colors.transparent,
              rodStackItems: stackDataPoint)
        ]));
  }

  dataList = null;
}