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feat(bloc): add provider, consumer and helpers

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hugo
2022-05-20 22:32:30 +02:00
parent 2ac2b4d2be
commit 9ef37633cb
45 changed files with 1435 additions and 0 deletions
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packages/wyatt_bloc_helper/example/lib/counter/bloc/counter_bloc.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:equatable/equatable.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
part 'counter_event.dart';
part 'counter_state.dart';
class CounterBloc extends Bloc<CounterEvent, CounterState> {
CounterBloc() : super(const CounterInitial()) {
on<CounterIncrement>((event, emit) {
emit(CounterModified(state.count + 1));
});
on<CounterDecrement>((event, emit) {
emit(CounterModified(state.count - 1));
});
}
}
packages/wyatt_bloc_helper/example/lib/counter/bloc/counter_event.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/>.
part of 'counter_bloc.dart';
abstract class CounterEvent extends Equatable {
const CounterEvent();
@override
List<Object> get props => [];
}
class CounterIncrement extends CounterEvent {}
class CounterDecrement extends CounterEvent {}
packages/wyatt_bloc_helper/example/lib/counter/bloc/counter_state.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/>.
part of 'counter_bloc.dart';
abstract class CounterState extends Equatable {
final int count;
const CounterState(this.count);
@override
List<Object> get props => [count];
}
class CounterInitial extends CounterState {
const CounterInitial() : super(0);
}
class CounterModified extends CounterState {
const CounterModified(super.count);
}
packages/wyatt_bloc_helper/example/lib/counter/counter_bloc_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:bloc_helper_example/counter/bloc/counter_bloc.dart';
import 'package:flutter/material.dart';
import 'package:wyatt_bloc_helper/wyatt_bloc_helper.dart';
class CounterBlocPage
extends BlocScreen<CounterBloc, CounterEvent, CounterState> {
const CounterBlocPage({super.key});
@override
CounterBloc create(BuildContext context) => CounterBloc();
@override
Widget onBuild(BuildContext context, CounterState state) {
final textTheme = Theme.of(context).textTheme;
return Scaffold(
appBar: AppBar(title: const Text('Counter with Bloc')),
body: Center(child: Text('${state.count}', style: textTheme.headline2)),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
FloatingActionButton(
heroTag: null,
key: const Key('counterBlocView_increment_floatingActionButton'),
child: const Icon(Icons.add),
onPressed: () => add(context, CounterIncrement()),
),
const SizedBox(height: 8),
FloatingActionButton(
heroTag: null,
key: const Key('counterBlocView_decrement_floatingActionButton'),
child: const Icon(Icons.remove),
onPressed: () => add(context, CounterDecrement()),
),
],
),
);
}
}
packages/wyatt_bloc_helper/example/lib/counter/counter_consumer_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:bloc_helper_example/counter/cubit/counter_cubit.dart';
import 'package:flutter/material.dart';
import 'package:wyatt_bloc_helper/wyatt_bloc_helper.dart';
/// Important, this page assumes that the [CounterCubit] is provided.
class CounterConsumerPage
extends CubitConsumerScreen<CounterCubit, CounterState> {
const CounterConsumerPage({super.key});
@override
Widget onBuild(BuildContext context, CounterState state) {
final textTheme = Theme.of(context).textTheme;
return Scaffold(
appBar: AppBar(title: const Text('Counter with Consumer')),
body: Center(child: Text('${state.count}', style: textTheme.headline2)),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
FloatingActionButton(
heroTag: null,
key: const Key('counterConsumerView_increment_floatingActionButton'),
child: const Icon(Icons.add),
onPressed: () => bloc(context).increment(),
),
const SizedBox(height: 8),
FloatingActionButton(
heroTag: null,
key: const Key('counterConsumerView_decrement_floatingActionButton'),
child: const Icon(Icons.remove),
onPressed: () => bloc(context).decrement(),
),
],
),
);
}
}
packages/wyatt_bloc_helper/example/lib/counter/counter_cubit_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:bloc_helper_example/counter/cubit/counter_cubit.dart';
import 'package:flutter/material.dart';
import 'package:wyatt_bloc_helper/wyatt_bloc_helper.dart';
class CounterCubitPage
extends CubitScreen<CounterCubit, CounterState> {
const CounterCubitPage({super.key});
@override
CounterCubit create(BuildContext context) => CounterCubit();
@override
Widget onBuild(BuildContext context, CounterState state) {
final textTheme = Theme.of(context).textTheme;
return Scaffold(
appBar: AppBar(title: const Text('Counter with Cubit')),
body: Center(child: Text('${state.count}', style: textTheme.headline2)),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
FloatingActionButton(
heroTag: null,
key: const Key('counterCubitView_increment_floatingActionButton'),
child: const Icon(Icons.add),
onPressed: () => bloc(context).increment(),
),
const SizedBox(height: 8),
FloatingActionButton(
heroTag: null,
key: const Key('counterCubitView_decrement_floatingActionButton'),
child: const Icon(Icons.remove),
onPressed: () => bloc(context).decrement(),
),
],
),
);
}
}
packages/wyatt_bloc_helper/example/lib/counter/counter_provider_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:bloc_helper_example/counter/bloc/counter_bloc.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:wyatt_bloc_helper/wyatt_bloc_helper.dart';
class CounterProviderPage
extends BlocProviderScreen<CounterBloc, CounterEvent, CounterState> {
const CounterProviderPage({super.key});
@override
Widget buildChild(BuildContext context) {
final textTheme = Theme.of(context).textTheme;
return Scaffold(
appBar: AppBar(title: const Text('Counter with Provider')),
body: Center(child: BlocBuilder<CounterBloc, CounterState>(
builder: (context, state) {
return Text('${state.count}', style: textTheme.headline2);
},
)),
floatingActionButton: Column(
mainAxisAlignment: MainAxisAlignment.end,
crossAxisAlignment: CrossAxisAlignment.end,
children: <Widget>[
FloatingActionButton(
heroTag: null,
key: const Key('counterProviderView_increment_floatingActionButton'),
child: const Icon(Icons.add),
onPressed: () => add(context, CounterIncrement()),
),
const SizedBox(height: 8),
FloatingActionButton(
heroTag: null,
key: const Key('counterProviderView_decrement_floatingActionButton'),
child: const Icon(Icons.remove),
onPressed: () => add(context, CounterDecrement()),
),
],
),
);
}
@override
CounterBloc create(BuildContext context) => CounterBloc();
}
packages/wyatt_bloc_helper/example/lib/counter/cubit/counter_cubit.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:equatable/equatable.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
part 'counter_state.dart';
class CounterCubit extends Cubit<CounterState> {
CounterCubit() : super(const CounterInitial());
void increment() {
emit(CounterModified(state.count + 1));
}
void decrement() {
emit(CounterModified(state.count - 1));
}
}
packages/wyatt_bloc_helper/example/lib/counter/cubit/counter_state.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/>.
part of 'counter_cubit.dart';
abstract class CounterState extends Equatable {
final int count;
const CounterState(this.count);
@override
List<Object> get props => [count];
}
class CounterInitial extends CounterState {
const CounterInitial() : super(0);
}
class CounterModified extends CounterState {
const CounterModified(super.count);
}