showMapListCascadePicker<V> function

Future<Map?> showMapListCascadePicker<V>({ required BuildContext context, required List<Map> source, String? valueKey, String? labelKey, String? idKey, String? pidKey, String? rootId, String? title, Map? initialData, V? initialValue, DataWidgetBuilder<Map>? subtitleBuilder, ValueMapper<Map, bool>? disabledWhen, PickerItemBuilder<Map>? itemBuilder, bool? isScrollControlled, bool? showSearchField, Widget? placeholder, ListTileThemeData? listTileTheme, bool? parentCheckable, })

弹出数据为 Map 列表类型级联选择器

Implementation

Future<Map?> showMapListCascadePicker<V>({
  required BuildContext context,
  required List<Map> source,
  String? valueKey,
  String? labelKey,
  String? idKey,
  String? pidKey,
  String? rootId,
  String? title,
  Map? initialData,
  V? initialValue,
  DataWidgetBuilder<Map>? subtitleBuilder,
  ValueMapper<Map, bool>? disabledWhen,
  PickerItemBuilder<Map>? itemBuilder,
  bool? isScrollControlled,
  bool? showSearchField,
  Widget? placeholder,
  ListTileThemeData? listTileTheme,
  bool? parentCheckable,
}) async {
  Map? result = source.getInitialData<V>(
    initialValue: initialValue,
    initialData: initialData,
    valueMapper: (data) => data[valueKey ?? idKey],
  );
  return showDefaultBottomSheet<Map>(
    context,
    title: title ?? '请选择',
    contentBuilder: (context) {
      return TxCascadePicker<Map, V>.fromMapList(
        source: source,
        labelKey: labelKey,
        valueKey: valueKey,
        idKey: idKey,
        pidKey: pidKey,
        rootId: rootId,
        initialData: initialData,
        itemBuilder: itemBuilder,
        subtitleBuilder: subtitleBuilder,
        listTileTheme: listTileTheme,
        placeholder: placeholder,
        parentCheckable: parentCheckable,
        onChanged: (val) {
          if (parentCheckable == true) {
            result = val;
          } else {
            result = val;
          }
        },
        disabledWhen: disabledWhen,
        showSearchField: showSearchField,
      );
    },
    onConfirm: () => Navigator.pop(context, result),
    actionsPosition: ActionsPosition.header,
    isScrollControlled: true,
    contentPadding: EdgeInsets.zero,
  );
}