populateChartPoints method

void populateChartPoints({ List<ChartDataPointType>? positions, List<List<num>>? yLists, })

Implementation

void populateChartPoints({
  List<ChartDataPointType>? positions,
  List<List<num>>? yLists,
}) {
  chartPoints.clear();
  if (parent == null || yLists == null || yLists.isEmpty) {
    return;
  }

  if (parent!.onDataLabelRender == null &&
      parent!.onTooltipRender == null &&
      parent!.legend?.legendItemBuilder == null &&
      dataLabelSettings.builder == null &&
      onPointLongPress == null &&
      onPointTap == null &&
      onPointDoubleTap == null) {
    return;
  }

  final int yLength = yLists.length;
  if (positions == null || positions.length != yLength) {
    return;
  }

  for (int i = 0; i < dataCount; i++) {
    final ChartPoint<D> point = ChartPoint<D>(x: xRawValues[i]);
    for (int j = 0; j < yLength; j++) {
      point[positions[j]] = yLists[j][i];
    }
    chartPoints.add(point);
  }
}