decodeBarLabelAnchor static method

BarLabelAnchor? decodeBarLabelAnchor(
  1. dynamic map, {
  2. bool validate = true,
})

Expects the map to be either a charts.BarLabelAnchor or a String containing one of the following values:

  • end
  • middle
  • start

Implementation

static charts.BarLabelAnchor? decodeBarLabelAnchor(
  dynamic map, {
  bool validate = true,
}) {
  charts.BarLabelAnchor? result;

  if (map is charts.BarLabelAnchor) {
    result = map;
  } else if (map != null) {
    assert(SchemaValidator.validate(
      schemaId: '$_baseSchemaUrl/bar_label_anchor',
      value: map,
      validate: validate,
    ));

    switch (map) {
      case 'end':
        result = charts.BarLabelAnchor.end;
        break;

      case 'middle':
        result = charts.BarLabelAnchor.middle;
        break;

      case 'start':
        result = charts.BarLabelAnchor.start;
        break;

      default:
        throw Exception('Unknown [BarLabelAnchor] encountered: [$map]');
    }
  }

  return result;
}