WellFormed constructor

WellFormed(List<Widget> fields, { required ToSubmit submit, ToReset? reset, Widget? leading, GlobalKey<FormState>? formKey, Key? key, })

A Form that is suitable for the most common scenarios.

fields the Form's fields. submit a factory function for building the submission widget. reset an optional factory function for building the reset widget. leading an optional extra widget that will be placed on the leftmost position alongside the submit and reset widgets. formKey the form state key; if omitted, a new one will be generated.

Implementation

WellFormed(
  List<Widget> fields, {
  required ToSubmit submit,
  ToReset? reset,
  Widget? leading,
  GlobalKey<FormState>? formKey,
  Key? key,
})  : _toForm = ((context) {
        final fkey = formKey ?? GlobalKey<FormState>();
        return SafeArea(
          child: Column(
            children: [
              Form(
                key: fkey,
                child: Column(children: fields),
              ),
              ListTile(
                leading: leading ?? const SizedBox(),
                title: submit(() {
                  final formState = fkey.currentState;
                  if (formState != null) {
                    if (formState.validate()) {
                      formState.save();
                    }
                  }
                }),
                trailing: reset == null
                    ? const SizedBox()
                    : reset(() {
                        final formState = fkey.currentState;
                        if (formState != null) {
                          formState.reset();
                        }
                      }),
              ),
            ],
          ),
        );
      }),
      super(key: key);