open<T> static method

Future<T?> open<T>(T? initialValue, { Widget? title, required List<TdCascaderItem<T>> options, })

弹出选择框

Implementation

static Future<T?> open<T>(
  T? initialValue, {
  Widget? title,
  required List<TdCascaderItem<T>> options,
}) {
  final completer = Completer<T>();

  TdPopupPlugin.open(
    builder: (context) {
      return Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          TdPopupAppbar.close(
            title: title,
            onClosing: () {
              TdPopupPlugin.pop();

              completer.complete();
            },
          ),
          TdCascader<T>(
            title: title,
            initialValue: initialValue,
            onChanged: (value) {
              TdPopupPlugin.pop();

              completer.complete(value);
            },
            children: options,
          ),
        ],
      );
    },
  );

  return completer.future;
}