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Merge pull request #130 from FltSv/105-book-screen
#105 書籍一覧ページと書籍詳細ページの内部実装、ダミーデータの作成
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| import 'package:mobile/models/creator.dart'; | ||
| import 'package:mobile/providers/data_provider.dart'; | ||
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| /// 書籍 | ||
| class Book { | ||
| Book({ | ||
| required this.id, | ||
| required this.title, | ||
| required this.image, | ||
| required this.urls, | ||
| }); | ||
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| final String id; | ||
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| /// 書籍のタイトル | ||
| final String title; | ||
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| /// 書籍のサムネイル画像のファイル名＋トークン | ||
| final String image; | ||
| String get imageUrl => DataProvider().getImageUrl(creator.id, image); | ||
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| /// 書籍購入のリンク 複数ある場合も可 | ||
| final List<String> urls; | ||
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| late final Creator creator; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:gap/gap.dart'; | ||
| import 'package:intersperse/intersperse.dart'; | ||
| import 'package:mobile/models/book.dart'; | ||
| import 'package:mobile/widgets/link_text.dart'; | ||
| import 'package:url_launcher/url_launcher.dart'; | ||
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| class BookDetailScreen extends StatefulWidget { | ||
| const BookDetailScreen({ | ||
| super.key, | ||
| required this.book, | ||
| }); | ||
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| final Book book; | ||
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| @override | ||
| State<BookDetailScreen> createState() => _BookDetailScreenState(); | ||
| } | ||
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| class _BookDetailScreenState extends State<BookDetailScreen> { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| final book = widget.book; | ||
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| return Scaffold( | ||
| appBar: AppBar( | ||
| title: Text(book.title), | ||
| ), | ||
| body: ListView( | ||
| padding: const EdgeInsets.all(16), | ||
| children: [ | ||
| Image.network(book.image), | ||
| const Gap(8), | ||
| ...book.urls.map((urltext) => LinkText( | ||
| text: urltext, | ||
| onTap: () async { | ||
| final url = Uri.parse(urltext); | ||
| await launchUrl(url, mode: LaunchMode.externalApplication); | ||
| })) | ||
| ].intersperse(const Gap(8)).toList(), | ||
| ), | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:gap/gap.dart'; | ||
| import 'package:mobile/models/book.dart'; | ||
| import 'package:mobile/providers/data_provider.dart'; | ||
| import 'package:mobile/providers/navigate_provider.dart'; | ||
| import 'package:mobile/screens/book_detail_screen.dart'; | ||
| import 'package:mobile/widgets/empty_state.dart'; | ||
|
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| class BookListScreen extends StatefulWidget { | ||
| const BookListScreen({super.key}); | ||
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| @override | ||
| State<BookListScreen> createState() => _BookListScreenState(); | ||
| } | ||
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| class _BookListScreenState extends State<BookListScreen> { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: const Text('書籍一覧'), | ||
| ), | ||
| body: GridView.count( | ||
| padding: const EdgeInsets.all(16), | ||
| crossAxisCount: 2, | ||
| mainAxisSpacing: 8, | ||
| crossAxisSpacing: 8, | ||
| physics: const NeverScrollableScrollPhysics(), // GridViewのスクロールを無効化 | ||
| shrinkWrap: true, // GridViewの高さをコンテンツに合わせる | ||
| children: _getResults(), | ||
| ), | ||
| ); | ||
| } | ||
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| List<Widget> _getResults() { | ||
| final results = DataProvider() | ||
| .books | ||
| .map((book) => BookItem(book: book)) | ||
| .map<Widget>((item) => GestureDetector( | ||
| onTap: () => NavigateProvider.push( | ||
| context, BookDetailScreen(book: item.book)), | ||
| child: item, | ||
| )) | ||
| .toList(); | ||
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| return results.isEmpty | ||
| ? [ | ||
| const Gap(16), | ||
| const EmptyState(message: '表示可能な書籍が見つかりませんでした。'), | ||
| ] | ||
| : results; | ||
| } | ||
| } | ||
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| class BookItem extends StatelessWidget { | ||
| const BookItem({ | ||
| super.key, | ||
| required this.book, | ||
| }); | ||
|
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| final Book book; | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Image.network(book.image); | ||
| } | ||
| } |