Add radical kanji search feature
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37ee031693
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32740dd7dd
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@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
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import 'view/home.dart';
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import 'view/screens/search/kanji_result_page.dart';
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import 'view/screens/search/search_mechanisms/drawing.dart';
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import 'view/screens/search/search_mechanisms/radical_list.dart';
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import 'view/screens/search/search_results_page.dart';
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Route<Widget> generateRoute(RouteSettings settings) {
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@ -26,6 +28,9 @@ Route<Widget> generateRoute(RouteSettings settings) {
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case '/kanjiSearch/draw':
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return MaterialPageRoute(builder: (_) => const KanjiDrawingSearch());
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case '/kanjiSearch/radicals':
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return MaterialPageRoute(builder: (_) => const KanjiRadicalSearch());
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default:
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return MaterialPageRoute(
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builder: (_) => const Text('ERROR: this route does not exist'),
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@ -0,0 +1,17 @@
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const Map<int, List<String>> radicals = {
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1: ['一', '｜', '丶', 'ノ', '乙', '亅'],
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2: ['二', '亠', '人', '⺅', '𠆢', '儿', '入', 'ハ', '丷', '冂', '冖', '冫', '几', '凵', '刀', '⺉', '力', '勹', '匕', '匚', '十', '卜', '卩', '厂', '厶', '又', 'マ', '九', 'ユ', '乃', '𠂉'],
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3: ['⻌', '口', '囗', '土', '士', '夂', '夕', '大', '女', '子', '宀', '寸', '小', '⺌', '尢', '尸', '屮', '山', '川', '巛', '工', '已', '巾', '干', '幺', '广', '廴', '廾', '弋', '弓', 'ヨ', '彑', '彡', '彳', '⺖', '⺘', '⺡', '⺨', '⺾', '⻏', '⻖', '也', '亡', '及', '久'],
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4: ['⺹', '心', '戈', '戸', '手', '支', '攵', '文', '斗', '斤', '方', '无', '日', '曰', '月', '木', '欠', '止', '歹', '殳', '比', '毛', '氏', '气', '水', '火', '⺣', '爪', '父', '爻', '爿', '片', '牛', '犬', '⺭', '王', '元', '井', '勿', '尤', '五', '屯', '巴', '毋'],
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5: ['玄', '瓦', '甘', '生', '用', '田', '疋', '疒', '癶', '白', '皮', '皿', '目', '矛', '矢', '石', '示', '禸', '禾', '穴', '立', '⻂', '世', '巨', '冊', '母', '⺲', '牙'],
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6: ['瓜', '竹', '米', '糸', '缶', '羊', '羽', '而', '耒', '耳', '聿', '肉', '自', '至', '臼', '舌', '舟', '艮', '色', '虍', '虫', '血', '行', '衣', '西'],
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7: ['臣', '見', '角', '言', '谷', '豆', '豕', '豸', '貝', '赤', '走', '足', '身', '車', '辛', '辰', '酉', '釆', '里', '舛', '麦'],
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8: ['金', '長', '門', '隶', '隹', '雨', '青', '非', '奄', '岡', '免', '斉'],
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9: ['面', '革', '韭', '音', '頁', '風', '飛', '食', '首', '香', '品'],
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10: ['馬', '骨', '高', '髟', '鬥', '鬯', '鬲', '鬼', '竜', '韋'],
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11: ['魚', '鳥', '鹵', '鹿', '麻', '亀', '啇', '黄', '黒'],
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12: ['黍', '黹', '無', '歯'],
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13: ['黽', '鼎', '鼓', '鼠'],
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14: ['鼻', '齊'],
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17: ['龠'],
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};
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@ -0,0 +1,52 @@
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import 'dart:convert';
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import 'package:http/http.dart' as http;
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class RadicalsSearchKanji {
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final String kanji;
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final int strokes;
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final int grade;
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final int gradeSort;
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RadicalsSearchKanji({
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required this.kanji,
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required this.strokes,
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required this.grade,
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required this.gradeSort,
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});
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factory RadicalsSearchKanji.fromJson(Map<String, dynamic> json) =>
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RadicalsSearchKanji(
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kanji: json['kanji'],
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strokes: json['strokes'],
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grade: json['grade'],
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gradeSort: json['grade_sort'],
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);
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}
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class RadicalsSearchResult {
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final List<RadicalsSearchKanji> kanji;
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final List<String> validRadicals;
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RadicalsSearchResult({
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required this.kanji,
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required this.validRadicals,
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});
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factory RadicalsSearchResult.fromJson(Map<String, dynamic> json) =>
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RadicalsSearchResult(
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kanji: (json['kanji'] as List<dynamic>)
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.map((k) => RadicalsSearchKanji.fromJson(k))
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.toList(),
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validRadicals:
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(json['is_valid_radical'] as Map<String, dynamic>).keys.toList(),
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);
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}
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Future<RadicalsSearchResult> searchKanjiByRadicals(
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List<String> radicals,
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) async {
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final response = await http
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.get(Uri.parse('https://jisho.org/radicals/${radicals.join(',')}'));
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return RadicalsSearchResult.fromJson(jsonDecode(response.body));
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}
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@ -19,7 +19,7 @@ class KanjiSearchOptionsBar extends StatelessWidget {
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fontSize: 18,
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),
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),
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onPressed: () {},
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onPressed: () => Navigator.pushNamed(context, '/kanjiSearch/radicals'),
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),
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_IconButton(
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icon: const Icon(Icons.category),
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@ -1 +1,200 @@
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const List<List<String>> radicals = [[]];
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import 'package:flutter/material.dart';
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import '../../../../bloc/theme/theme_bloc.dart';
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import '../../../../services/jisho_api/radicals.dart';
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import '../../../../services/jisho_api/radicals_search.dart';
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class KanjiRadicalSearch extends StatefulWidget {
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const KanjiRadicalSearch({Key? key}) : super(key: key);
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@override
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_KanjiRadicalSearchState createState() => _KanjiRadicalSearchState();
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}
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class _KanjiRadicalSearchState extends State<KanjiRadicalSearch> {
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static const double fontSize = 25;
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List<String> suggestions = [];
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Map<String, bool> radicalToggles = {
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for (final String r in radicals.values.expand((l) => l)) r: false
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};
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Map<String, bool> allowedToggles = {
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for (final String r in radicals.values.expand((l) => l)) r: true
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};
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void resetRadicalToggles() => radicalToggles.forEach((k, _) {
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radicalToggles[k] = false;
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});
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void resetAllowedToggles() => allowedToggles.forEach((k, _) {
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allowedToggles[k] = true;
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});
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Future<void> updateSuggestions() async {
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final toggledRadicals =
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radicalToggles.keys.where((r) => radicalToggles[r] ?? false).toList();
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if (toggledRadicals.isEmpty) {
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suggestions.clear();
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resetAllowedToggles();
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return;
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}
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final newSuggestions = await searchKanjiByRadicals(toggledRadicals);
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setState(() {
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allowedToggles.forEach((key, value) {
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allowedToggles[key] = false;
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});
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for (final r in newSuggestions.validRadicals) {
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allowedToggles[r] = true;
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}
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suggestions = (newSuggestions.kanji
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..sort((a, b) => a.strokes.compareTo(b.strokes)))
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.map((k) => k.kanji)
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.toList();
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});
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}
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Widget radicalGridElement(String radical, {bool isNumber = false}) {
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// final theme = BlocProvider.of<ThemeBloc>(context).state.theme;
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final theme = LightTheme();
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final color = isNumber
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? theme.menuGreyDark
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: radicalToggles[radical]!
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? AppTheme.jishoGreen
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: theme.menuGreyNormal;
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return InkWell(
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onTap: isNumber
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? () {}
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: () => setState(() {
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// TODO: Don't let the user toggle on another kanji before the last one is updated
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radicalToggles[radical] = !radicalToggles[radical]!;
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updateSuggestions();
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}),
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child: Container(
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alignment: Alignment.center,
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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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child: Text(
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radical,
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style: TextStyle(
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color: color.foreground,
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fontSize: fontSize,
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),
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),
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),
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);
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}
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List<Widget> get radicalGridElements =>
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<Widget>[
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IconButton(
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onPressed: () => setState(() {
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suggestions.clear();
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resetRadicalToggles();
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resetAllowedToggles();
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}),
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icon: const Icon(Icons.restore),
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color: AppTheme.jishoGreen.background,
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iconSize: fontSize * 1.3,
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),
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] +
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radicals
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.map(
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(key, value) => MapEntry(
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key,
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value
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.where((r) => allowedToggles[r]!)
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.map((r) => radicalGridElement(r))
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.toList()
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..insert(0, radicalGridElement(key.toString(), isNumber: true)),
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),
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)
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.values
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.where((element) => element.length != 1)
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.expand((l) => l)
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.toList();
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Widget kanjiGridElement(String kanji) {
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final color = LightTheme().menuGreyNormal;
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return InkWell(
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onTap: () => Navigator.popAndPushNamed(
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context,
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'/kanjiSearch',
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arguments: kanji,
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),
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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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kanji,
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style: TextStyle(
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color: color.foreground,
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fontSize: fontSize,
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),
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),
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),
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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 radicals')),
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body: Column(
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children: [
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Expanded(
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child: (suggestions.isEmpty)
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? Center(
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child: Text(
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'Toggle a radical to start',
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style: TextStyle(
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fontSize: fontSize * 0.8,
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color: BlocProvider.of<ThemeBloc>(context)
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.state
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.theme
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.menuGreyNormal
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.background,
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),
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),
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)
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: GridView.count(
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crossAxisCount: 6,
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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:
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suggestions.map((s) => kanjiGridElement(s)).toList(),
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),
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),
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Divider(
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color: AppTheme.jishoGreen.background,
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thickness: 3,
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height: 30,
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indent: 5,
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endIndent: 5,
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),
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Expanded(
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child: GridView.count(
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crossAxisCount: 6,
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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: radicalGridElements,
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),
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),
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],
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),
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);
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}
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}
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