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docs(form): add example app

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This commit is contained in:
hugo
2022-04-20 00:01:59 +02:00
parent ae731f5877
commit 9c7ea4adfd
70 changed files with 1898 additions and 0 deletions
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packages/wyatt_form_bloc/example/lib/app/app.dart
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// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'dart:developer';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:form_bloc_example/constants.dart';
import 'package:form_bloc_example/sign_up/sign_up_page.dart';
import 'package:wyatt_form_bloc/wyatt_form_bloc.dart';
class App extends StatelessWidget {
const App({Key? key}) : super(key: key);
static FormData getNormalFormData() {
return const FormData([
FormEntry(formFieldName, Name.pure()),
FormEntry(formFieldEmail, Email.pure()),
FormEntry(formFieldPhone, Phone.pure()),
FormEntry(formFieldPro, Boolean.pure(), name: 'business'),
FormEntry(formFieldHidden, Boolean.pure(), export: false),
]);
}
static FormData getProFormData() {
return const FormData([
FormEntry(formFieldName, Name.pure()),
FormEntry(formFieldEmail, Email.pure()),
FormEntry(formFieldPhone, Phone.pure()),
FormEntry(formFieldPro, Boolean.pure(), name: 'business'),
FormEntry(formFieldHidden, Boolean.pure(), export: false),
FormEntry(formFieldSiren, Siren.pure()),
FormEntry(formFieldIban, Iban.pure()),
]);
}
Future<bool> onSubmit(FormDataState state) async {
log(state.data.toMap().toString());
return true;
}
@override
Widget build(BuildContext context) {
FormDataCubit _formCubit = FormDataCubit(
entries: getNormalFormData(),
onSubmit: onSubmit,
);
return BlocProvider(
create: (context) => _formCubit,
child: const WidgetTree(),
);
}
}
class WidgetTree extends StatelessWidget {
const WidgetTree({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
primarySwatch: Colors.blue,
buttonTheme: const ButtonThemeData(
buttonColor: Colors.blue,
textTheme: ButtonTextTheme.primary,
),
),
home: const SignUpPage(),
);
}
}
packages/wyatt_form_bloc/example/lib/app/bloc_observer.dart
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// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'package:flutter/foundation.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
class AppBlocObserver extends BlocObserver {
@override
void onEvent(Bloc bloc, Object? event) {
super.onEvent(bloc, event);
debugPrint(event.toString());
}
@override
void onError(BlocBase bloc, Object error, StackTrace stackTrace) {
debugPrint(error.toString());
super.onError(bloc, error, stackTrace);
}
@override
void onChange(BlocBase bloc, Change change) {
super.onChange(bloc, change);
debugPrint('curr:\t${change.currentState}\nnext:\t${change.nextState}');
}
@override
void onTransition(Bloc bloc, Transition transition) {
super.onTransition(bloc, transition);
debugPrint(transition.toString());
}
}
packages/wyatt_form_bloc/example/lib/constants.dart
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// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const String formFieldName = 'name';
const String formFieldPhone = 'phone';
const String formFieldEmail = 'email';
const String formFieldSiren = 'siren';
const String formFieldIban = 'iban';
const String formFieldHidden = 'hidden';
const String formFieldPro = 'isPro';
packages/wyatt_form_bloc/example/lib/main.dart
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// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'package:flutter/widgets.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:form_bloc_example/app/app.dart';
import 'package:form_bloc_example/app/bloc_observer.dart';
Future<void> main() async {
WidgetsFlutterBinding.ensureInitialized();
BlocOverrides.runZoned(
() => runApp(
const App(),
),
blocObserver: AppBlocObserver(),
);
}
packages/wyatt_form_bloc/example/lib/sign_up/sign_up_page.dart
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// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'package:flutter/material.dart';
import 'package:form_bloc_example/sign_up/widgets/sign_up_form.dart';
class SignUpPage extends StatelessWidget {
const SignUpPage({Key? key}) : super(key: key);
static Route route() {
return MaterialPageRoute<void>(builder: (_) => const SignUpPage());
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Complex Form')),
body: const Padding(
padding: EdgeInsets.all(8),
child: SingleChildScrollView(
child: SignUpForm(),
),
),
);
}
}
packages/wyatt_form_bloc/example/lib/sign_up/widgets/sign_up_form.dart
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// Copyright (C) 2022 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
import 'dart:developer';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:form_bloc_example/app/app.dart';
import 'package:form_bloc_example/constants.dart';
import 'package:wyatt_form_bloc/wyatt_form_bloc.dart';
class _NameInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return TextField(
onChanged: (name) => context
.read<FormDataCubit>()
.dataChanged(formFieldName, Name.dirty(name)),
keyboardType: TextInputType.name,
decoration: InputDecoration(
labelText: 'name',
helperText: '',
errorText:
state.data.input(formFieldName).invalid ? 'invalid name' : null,
),
);
},
);
}
}
class _EmailInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return TextField(
onChanged: (email) => context
.read<FormDataCubit>()
.dataChanged(formFieldEmail, Email.dirty(email)),
keyboardType: TextInputType.emailAddress,
decoration: InputDecoration(
labelText: 'email',
helperText: '',
errorText: state.data.input(formFieldEmail).invalid
? 'invalid email'
: null,
),
);
},
);
}
}
class _PhoneInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return TextField(
onChanged: (phone) => context
.read<FormDataCubit>()
.dataChanged(formFieldPhone, Phone.dirty(phone)),
keyboardType: TextInputType.phone,
decoration: InputDecoration(
labelText: 'phone',
helperText: '',
errorText: state.data.input(formFieldPhone).invalid
? 'invalid phone'
: null,
),
);
},
);
}
}
class _SirenInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return TextField(
onChanged: (siren) => context
.read<FormDataCubit>()
.dataChanged(formFieldSiren, Siren.dirty(siren)),
keyboardType: TextInputType.number,
decoration: InputDecoration(
labelText: 'siren',
helperText: '',
errorText: state.data.input(formFieldSiren).invalid
? 'invalid SIREN'
: null,
),
);
},
);
}
}
class _IbanInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return TextField(
onChanged: (iban) => context
.read<FormDataCubit>()
.dataChanged(formFieldIban, Iban.dirty(iban)),
keyboardType: TextInputType.text,
decoration: InputDecoration(
labelText: 'iban',
helperText: '',
errorText:
state.data.input(formFieldIban).invalid ? 'invalid IBAN' : null,
),
);
},
);
}
}
class _CheckHiddenInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return ListTile(
title: const Text('This input is not exported'),
trailing: BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return Checkbox(
value: state.data.input<bool>(formFieldHidden).value,
onChanged: (v) {
final value = v!; // state is false, so value can't be null
context.read<FormDataCubit>().dataChanged(
formFieldHidden,
Boolean.dirty(value: value),
);
});
},
),
);
}
}
class _CheckIsProInput extends StatelessWidget {
@override
Widget build(BuildContext context) {
return ListTile(
title: const Text('Are you a pro?'),
trailing: BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return Checkbox(
value: state.data.input<bool>(formFieldPro).value,
onChanged: (isPro) {
final value = isPro!; // state is false, so value can't be null
context.read<FormDataCubit>().dataChanged(
formFieldPro,
Boolean.dirty(value: value),
);
if (value) {
context.read<FormDataCubit>().updateFormData(
App.getProFormData(),
operation: SetOperation.union);
} else {
context.read<FormDataCubit>().updateFormData(
App.getNormalFormData(),
operation: SetOperation.intersection);
}
});
},
),
);
}
}
class _SignUpButton extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
buildWhen: (previous, current) => previous.status != current.status,
builder: (context, state) {
return state.status.isSubmissionInProgress
? const CircularProgressIndicator()
: ElevatedButton(
onPressed: state.status.isValidated
? () =>
context.read<FormDataCubit>().submitForm()
: null,
child: const Text('SIGN UP'),
);
},
);
}
}
class _DebugButton extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
return ElevatedButton(
onPressed: () {
log(state.toString());
},
child: const Text('DEBUG'),
);
},
);
}
}
class SignUpForm extends StatelessWidget {
const SignUpForm({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return BlocListener<FormDataCubit, FormDataState>(
listener: (context, state) {
if (state.status.isSubmissionSuccess) {
Navigator.of(context).pop(); // Never happens here
} else if (state.status.isSubmissionFailure) {
ScaffoldMessenger.of(context)
..hideCurrentSnackBar()
..showSnackBar(
SnackBar(content: Text(state.errorMessage ?? 'Sign Up Failure')),
);
}
},
child: SizedBox(
height: MediaQuery.of(context).size.height,
child: Align(
alignment: const Alignment(0, -1 / 3),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
_NameInput(),
const SizedBox(height: 8),
_EmailInput(),
const SizedBox(height: 8),
_PhoneInput(),
const SizedBox(height: 8),
_CheckHiddenInput(),
const SizedBox(height: 8),
_CheckIsProInput(),
const SizedBox(height: 8),
BlocBuilder<FormDataCubit, FormDataState>(
builder: (context, state) {
if (state.data.input<bool>(formFieldPro).value) {
return Column(children: [
_SirenInput(),
const SizedBox(height: 8),
_IbanInput(),
const SizedBox(height: 8),
]);
}
return const SizedBox.shrink();
},
),
const SizedBox(height: 8),
_SignUpButton(),
const SizedBox(height: 8),
_DebugButton(),
],
),
),
),
);
}
}