setDisabledOptions method
set disabled options MultiSelectController is used to set disabled options.
Implementation
void setDisabledOptions(List<ValueItem<T>> disabledOptions) {
if (disabledOptions.any((element) => !value._options.contains(element))) {
throw Exception(
'Cannot disable options that are not in the options list');
}
value._disabledOptions.clear();
value._disabledOptions.addAll(disabledOptions);
notifyListeners();
}