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ecf716dcab
Fail early on nullable context objects - no code paths allow null Eliminate superfluous private function Use a function over an abstract class with one method
55 lines
1.6 KiB
Dart
55 lines
1.6 KiB
Dart
// Copyright 2021, the Flutter project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:adaptive_navigation/adaptive_navigation.dart';
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import 'package:flutter/material.dart';
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import '../routing.dart';
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import 'scaffold_body.dart';
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class BookstoreScaffold extends StatelessWidget {
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const BookstoreScaffold({
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Key? key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final routeState = RouteStateScope.of(context);
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final selectedIndex = _getSelectedIndex(routeState.route.pathTemplate);
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return Scaffold(
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body: AdaptiveNavigationScaffold(
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selectedIndex: selectedIndex,
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body: const BookstoreScaffoldBody(),
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onDestinationSelected: (idx) {
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if (idx == 0) routeState.go('/books/popular');
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if (idx == 1) routeState.go('/authors');
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if (idx == 2) routeState.go('/settings');
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},
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destinations: const [
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AdaptiveScaffoldDestination(
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title: 'Books',
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icon: Icons.book,
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),
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AdaptiveScaffoldDestination(
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title: 'Authors',
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icon: Icons.person,
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),
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AdaptiveScaffoldDestination(
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title: 'Settings',
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icon: Icons.settings,
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),
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],
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),
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);
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}
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int _getSelectedIndex(String pathTemplate) {
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if (pathTemplate.startsWith('/books')) return 0;
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if (pathTemplate == '/authors') return 1;
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if (pathTemplate == '/settings') return 2;
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return 0;
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}
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}
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