build method

  1. @override
Widget build(
  1. BuildContext context,
  2. WidgetRef ref
)

Describes the part of the user interface represented by this widget.

The framework calls this method when this widget is inserted into the tree in a given BuildContext and when the dependencies of this widget change (e.g., an InheritedWidget referenced by this widget changes). This method can potentially be called in every frame and should not have any side effects beyond building a widget.

The framework replaces the subtree below this widget with the widget returned by this method, either by updating the existing subtree or by removing the subtree and inflating a new subtree, depending on whether the widget returned by this method can update the root of the existing subtree, as determined by calling Widget.canUpdate.

Typically implementations return a newly created constellation of widgets that are configured with information from this widget's constructor and from the given BuildContext.

The given BuildContext contains information about the location in the tree at which this widget is being built. For example, the context provides the set of inherited widgets for this location in the tree. A given widget might be built with multiple different BuildContext arguments over time if the widget is moved around the tree or if the widget is inserted into the tree in multiple places at once.

The implementation of this method must only depend on:

If a widget's build method is to depend on anything else, use a StatefulWidget instead.

See also:

  • StatelessWidget, which contains the discussion on performance considerations.

Implementation

@override
Widget build(BuildContext context, WidgetRef ref) {
  // final AbstractControl? form = ReactiveForm.of(context);
  // ref.watch(searchServiceProvider<T>(
  //   filterSet: ref.watch(searchFilterControllerProvider<T>()),
  // ));
  final form = ReactiveForm.of(context);
  debugPrint("[[form]]: ${form?.value}");
  return FloatingActionButton(
    child: const Icon(Icons.save),
    onPressed: () async {
      try {
        if (form?.valid == true) {
          debugPrint("[[updatedItem type in ReactiveFormPage]]: $T");
          T updatedItem;

          if (T == Reservation) {
            debugPrint("[[form?.value]]: ${form?.value}");
            debugPrint(
                "[[form?.value runtimeType]]: ${form?.value.runtimeType}");
            Map<String, dynamic> formValue =
                // Map<String, dynamic>.from(form?.value ?? {});
                Map<String, dynamic>.from(form?.value
                    as Map<String, dynamic>); // UnmodifiableMapView to Map.
            if (formValue.containsKey('reservationState') &&
                formValue['reservationState'] is ReservationState) {
              formValue.update(
                'reservationState',
                (value) => (value as ReservationState).toJson(),
                // ReservationState 는 FormField 에서 사용할 때는 toJson() 으로 변환해야 함.
              );
            }
            updatedItem = Reservation.fromJson(formValue) as T;
            // Reservation.fromJson(form?.value as Map<String, dynamic>);
            debugPrint("[[updatedItem in ReactiveFormPage]]: $updatedItem");
          } else {
            log('[[form?.value]]: ${form?.value}');
            // T updatedItem = ref
            updatedItem = ref
                .read(genericsManagerProvider<T>().notifier)
                .fromJson(form?.value as Map<String, dynamic>);

            // var updatedJsonItem = ref
            //     .read(genericsManagerProvider<T>().notifier)
            //     .toJson(form?.value);
            // T updatedItem = ref
            //     .read(genericsManagerProvider<T>().notifier)
            //     .fromJson(updatedJsonItem);

            debugPrint("[[updatedItem in ReactiveFormPage]]: $updatedItem");
          }
          // dynamic updatedItem;
          // switch (T) {
          //   case const (Kubmer):
          //     updatedItem =
          //         Kubmer.fromJson(form?.value as Map<String, dynamic>);
          //     debugPrint("[[updatedItem in ReactiveFormPage]]: $updatedItem");
          //     break;
          //   case const (Reservation):
          //     debugPrint("[[form?.value]]: ${form?.value}");
          //     debugPrint(
          //         "[[form?.value runtimeType]]: ${form?.value.runtimeType}");
          //     Map<String, dynamic> formValue =
          //         // Map<String, dynamic>.from(form?.value ?? {});
          //         Map<String, dynamic>.from(form?.value
          //             as Map<String, dynamic>); // UnmodifiableMapView to Map.
          //     if (formValue.containsKey('reservationState') &&
          //         formValue['reservationState'] is ReservationState) {
          //       formValue.update(
          //         'reservationState',
          //         (value) => (value as ReservationState).toJson(),
          //         // ReservationState 는 FormField 에서 사용할 때는 toJson() 으로 변환해야 함.
          //       );
          //     }
          //     updatedItem =
          //         // Reservation.fromJson(form?.value as Map<String, dynamic>);
          //         Reservation.fromJson(formValue);
          //     debugPrint("[[updatedItem in ReactiveFormPage]]: $updatedItem");
          //     break;
          //   default:
          //     throw Exception("Unknown model type: ${T.toString()}");
          // }

          if (item == null) {
            // create mode
            // var newItem = updatedItem.copyWith(
            T newItem = updatedItem.copyWith(
              // uid: 'test',
              uid: uuid.v4(),
            );
            await ref
                .read(crudControllerProvider<T>(uid: newItem.uid).notifier)
                .createItem(newItem);

            await ref
                .read(itemImageControllerProvider<T>(item).notifier)
                .uploadFiles(newItem.uid);
          } else {
            // update mode
            await ref
                .read(crudControllerProvider<T>(uid: item!.uid).notifier)
                .updateItem(updatedItem);

            await ref
                .read(itemImageControllerProvider<T>(item).notifier)
                .uploadFiles(updatedItem.uid);
          }

          var _ = await ref.refresh(searchServiceProvider<T>(
                  // filterSet: ref.read(searchFilterControllerProvider<T>()),
                  // filterSet: ref.watch(searchFilterControllerProvider<T>()),
                  )
              .future);
          // var __ = await ref
          //     .refresh(selectedReservationsControllerProvider<T>().future);

          // await ref.refresh(searchServiceProvider<T>().future);
          // ref.read(wahyzGoRouterProvider).pop<T>();

          if (!context.mounted) return;
          Navigator.of(context).pop();
          Navigator.of(context).pop();
          ScaffoldMessenger.of(context).showSnackBar(
              const SnackBar(content: Text('Saved successfully')));
        }
      } catch (e, s) {
        if (!context.mounted) return;
        ScaffoldMessenger.of(context)
            .showSnackBar(SnackBar(content: Text('Save failed: $e')));
        debugPrint('Save failed: $e');
        debugPrint('stackTrace: $s');
      }
    },
  );
}