119 lines
3.5 KiB
Dart
119 lines
3.5 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import '../../../../data/grades.dart';
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import '../../../../models/themes/theme.dart';
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import '../../../../routing/routes.dart';
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import '../../../components/common/loading.dart';
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import '../../../settings.dart';
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class KanjiGradeSearch extends StatefulWidget {
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const KanjiGradeSearch({Key? key}) : super(key: key);
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@override
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_KanjiGradeSearchState createState() => _KanjiGradeSearchState();
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}
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class _GridItem extends StatelessWidget {
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final bool isNumber;
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final String text;
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const _GridItem({Key? key, required this.text, this.isNumber = false})
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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 color = isNumber
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? LightTheme.defaultMenuGreyDark
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: LightTheme.defaultMenuGreyNormal;
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final onTap = isNumber
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? () => ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(text)),
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)
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: () => Navigator.popAndPushNamed(
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context,
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Routes.kanjiSearch,
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arguments: text,
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);
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return InkWell(
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onTap: onTap,
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child: Container(
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decoration: BoxDecoration(
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borderRadius: const BorderRadius.all(Radius.circular(5)),
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color: color.background,
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),
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alignment: Alignment.center,
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child: Text(
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text,
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style: TextStyle(
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color: color.foreground,
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fontSize: 25,
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).merge(japaneseFont.textStyle),
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),
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),
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);
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}
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}
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class _KanjiGradeSearchState extends State<KanjiGradeSearch> {
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Future<Map<int, Map<int, List<Widget>>>> get gradeWidgets async => compute<
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Map<int, Map<int, List<String>>>, Map<int, Map<int, List<Widget>>>>(
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(gs) => gs.map(
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(grade, sortedByStrokes) => MapEntry(
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grade,
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sortedByStrokes.map<int, List<Widget>>(
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(strokeCount, kanji) => MapEntry(
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strokeCount,
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[
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_GridItem(text: strokeCount.toString(), isNumber: true),
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...kanji.map((k) => _GridItem(text: k)).toList(),
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],
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),
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),
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),
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),
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grades,
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);
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Future<Widget> get makeGrids async => SingleChildScrollView(
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child: Column(
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children: (await Future.wait(
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grades.keys.map(
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(grade) async => ExpansionTile(
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title: Text(grade == 7 ? 'Junior Highschool' : 'Grade $grade'),
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maintainState: true,
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children: [
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GridView.count(
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crossAxisCount: 6,
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physics: const NeverScrollableScrollPhysics(),
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shrinkWrap: true,
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mainAxisSpacing: 10,
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crossAxisSpacing: 10,
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padding: const EdgeInsets.all(10),
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children: (await gradeWidgets)[grade]!
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.values
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.expand((l) => l)
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.toList(),
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)
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],
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),
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),
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))
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.toList(),
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),
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);
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text('Choose by grade')),
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body: FutureBuilder<Widget>(
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future: makeGrids,
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initialData: const LoadingScreen(),
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builder: (context, snapshot) => snapshot.data!,
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),
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);
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}
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}
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