attachTo method

  1. @override
void attachTo(
  1. BaseChart<D> chart
)
override

Injects the behavior into a chart.

Implementation

@override
void attachTo(BaseChart<D> chart) {
  if (chart is! CartesianChart<D>) {
    throw ArgumentError(
      'RangeAnnotation can only be attached to a CartesianChart<D>',
    );
  }

  _chart = chart;

  _view = _RangeAnnotationLayoutView<D>(
    defaultColor: defaultColor,
    labelPadding: labelPadding,
    chart: _chart,
    rangeAnnotation: this,
    layoutPaintOrder: layoutPaintOrder,
  );

  chart
    ..addView(_view)
    ..addLifecycleListener(_lifecycleListener);
}