decodeSelectionModelType static method

SelectionModelType? decodeSelectionModelType(
  1. dynamic map, {
  2. bool validate = true,
})

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

  • action
  • info

Implementation

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

  if (map is charts.SelectionModelType) {
    result = map;
  } else if (map != null) {
    assert(SchemaValidator.validate(
      schemaId: '$_baseSchemaUrl/selection_model_type',
      value: map,
      validate: validate,
    ));
    switch (map) {
      case 'action':
        result = charts.SelectionModelType.action;
        break;

      case 'info':
        result = charts.SelectionModelType.info;
        break;

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

  return result;
}