added learn state
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9441e21f89
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GPG key ID:
499E2AA870C1CD41
2 changed files with 204 additions and 72 deletions
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@ -3,46 +3,69 @@ import 'package:ju_learn/main.dart';
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class QuizPage extends StatefulWidget {
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Vault v;
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QuizPage(this.v, {super.key});
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Function saveState;
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QuizPage(this.v, this.saveState, {super.key});
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@override
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// ignore: no_logic_in_create_state, library_private_types_in_public_api
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_QuizPageState createState() {
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v.randomize();
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return _QuizPageState(v);
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}
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_QuizPageState createState() => _QuizPageState(v, saveState);
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}
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class _QuizPageState extends State<QuizPage> {
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int _currentQuestionIndex = 0;
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int ask_state = -1;
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int _score = 0;
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int run = 0;
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Question _currentQuestion = Question("Dummy", ["Dummy aws"], 0, "dummy");
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int askState = -1;
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Vault v;
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_QuizPageState(this.v);
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Function saveState;
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_QuizPageState(this.v, this.saveState) {
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_currentQuestion.drawer = 0x0fffffff;
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v.softReset();
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_nextQuestion();
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}
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void _checkAnswer(int selectedIndex) {
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//if (selectedIndex == v.questions[_currentQuestionIndex].correct) {
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// setState(() {
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// _score++;
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// });
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//}
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if (selectedIndex == _currentQuestion.correct) {
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_currentQuestion.drawer++;
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} else {
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_currentQuestion.drawer = 0;
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}
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_currentQuestion.lastInRun = run;
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saveState();
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setState(() {
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ask_state = selectedIndex;
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askState = selectedIndex;
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});
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}
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void _nextQuestion() {
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setState(() {
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if (_currentQuestionIndex < v.questions.length - 1) {
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ask_state = -1;
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_currentQuestionIndex++;
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} else {
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_showResultDialog();
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Question lowestQ = _currentQuestion;
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for (var a in v.questions) {
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if (a == _currentQuestion) continue;
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int i = a.drawer - lowestQ.drawer;
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if (i > 1) {
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continue;
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}
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});
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if (i < -1) {
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lowestQ = a;
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continue;
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}
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if ((run - a.lastInRun - 10).abs() -
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(run - lowestQ.lastInRun - 10).abs() <
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0) {
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lowestQ = a;
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}
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}
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if (mounted) {
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setState(() {
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_currentQuestion = lowestQ;
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askState = -1;
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});
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} else {
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_currentQuestion = lowestQ;
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}
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run++;
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}
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void _showResultDialog() {
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/*void _showResultDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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@ -64,7 +87,7 @@ class _QuizPageState extends State<QuizPage> {
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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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@ -78,40 +101,38 @@ class _QuizPageState extends State<QuizPage> {
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Text(
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v.questions[_currentQuestionIndex].quest,
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_currentQuestion.quest,
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style: const TextStyle(
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fontSize: 20.0,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 20.0),
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...v.questions[_currentQuestionIndex].answers.map(
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..._currentQuestion.answers.map(
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(option) {
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return Container(
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margin: const EdgeInsets.symmetric(vertical: 8.0),
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child: FilledButton(
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onPressed: () => ask_state == -1
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onPressed: () => askState == -1
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? _checkAnswer(
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v.questions[_currentQuestionIndex].answers
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.indexOf(option),
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_currentQuestion.answers.indexOf(option),
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)
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: _nextQuestion(),
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style: FilledButton.styleFrom(
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padding: const EdgeInsets.all(16.0),
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backgroundColor: ask_state == -1
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backgroundColor: askState == -1
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? null
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: (v.questions[_currentQuestionIndex].correct ==
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v.questions[_currentQuestionIndex].answers
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.indexOf(option)
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: (_currentQuestion.correct ==
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_currentQuestion.answers.indexOf(option)
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? Colors.green
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: Colors.red),
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),
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child: Text(option)));
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},
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),
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if (ask_state != -1)
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if (askState != -1)
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Text(
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v.questions[_currentQuestionIndex].explanation,
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_currentQuestion.explanation,
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style: const TextStyle(
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fontSize: 15.0,
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fontWeight: FontWeight.bold,
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185
lib/main.dart
185
lib/main.dart
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@ -28,21 +28,37 @@ class MainPage extends StatefulWidget {
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const MainPage({super.key});
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@override
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_MainPageState createState() => _MainPageState();
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MainPageState createState() => MainPageState();
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}
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class _MainPageState extends State<MainPage> {
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class MainPageState extends State<MainPage> {
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List<Vault> _vaults = [];
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_MainPageState() {
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MainPageState() {
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loadList();
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}
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Vault? getByName(String name) {
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for (var v in _vaults) {
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if (v.name == name) return v;
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}
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return null;
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}
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loadList() async {
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final prefs = await SharedPreferences.getInstance();
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List<String>? json = prefs.getStringList("vaults");
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List<String>? jsonState = prefs.getStringList("vaultStates");
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if (json == null) return;
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setState(() {
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_vaults = json.map((e) => Vault.fromJson(jsonDecode(e))).toList();
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});
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if (jsonState == null) return;
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for (var s in jsonState) {
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var sMap = jsonDecode(s);
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Vault? v = getByName(sMap["name"]);
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if (v == null) continue;
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v.loadState(sMap);
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}
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}
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saveList() async {
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@ -51,33 +67,99 @@ class _MainPageState extends State<MainPage> {
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"vaults", _vaults.map((e) => jsonEncode(e.toJson())).toList());
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}
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askToDeleteVault(Vault v) async {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('Delete Vault'),
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content: Text('Do you want to delete „${v.name}“ Vault?'),
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actions: [
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TextButton(
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child: const Text('Delete'),
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onPressed: () {
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setState(() {
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_vaults.remove(v);
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});
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saveList();
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Navigator.of(context).pop();
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},
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),
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text('Cancle'))
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],
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);
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},
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);
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saveStateList() async {
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final prefs = await SharedPreferences.getInstance();
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prefs.setStringList("vaultStates",
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_vaults.map((e) => jsonEncode(e.toStateJson())).toList());
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}
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_vaultMenu(Vault v) async {
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showModalBottomSheet(
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context: context,
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builder: (context) => BottomSheet(
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builder: (context) => Column(children: [
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Padding(
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padding: const EdgeInsets.all(8),
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child: Text(v.name,
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style: const TextStyle(
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fontSize: 20.0,
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fontWeight: FontWeight.bold,
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))),
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ListTile(
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leading: const Icon(Icons.restore),
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title: const Text("Reset Vault"),
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subtitle: const Text("Reset Vault learn Data to default."),
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trailing: const Icon(Icons.chevron_right),
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onTap: () {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('Reset Vault'),
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content:
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Text('Do you want to reset „${v.name}“ Vault?'),
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actions: [
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TextButton(
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child: const Text('Reset'),
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onPressed: () {
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setState(() {
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v.reset();
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});
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saveStateList();
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Navigator.of(context).pop();
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Navigator.of(context).pop();
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},
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),
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text('Cancle'))
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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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ListTile(
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leading: const Icon(Icons.delete),
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title: const Text("Vault löschen"),
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subtitle: Text('Do you want to delete „${v.name}“ Vault?'),
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trailing: const Icon(Icons.chevron_right),
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onTap: () async {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('Delete Vault'),
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content: Text(
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'Do you want to delete „${v.name}“ Vault?'),
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actions: [
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TextButton(
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child: const Text('Delete'),
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onPressed: () {
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setState(() {
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_vaults.remove(v);
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});
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saveList();
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saveStateList();
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Navigator.of(context).pop();
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Navigator.of(context).pop();
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},
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),
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text('Cancle'))
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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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onClosing: () {},
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));
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}
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_pickFile() async {
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@ -95,9 +177,8 @@ class _MainPageState extends State<MainPage> {
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});
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saveList();
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} catch (e) {
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if (kDebugMode) {
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print(e);
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}
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print(e);
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AlertDialog(
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title: const Text('Error'),
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content: const Text('An error has occurred.'),
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@ -114,6 +195,8 @@ class _MainPageState extends State<MainPage> {
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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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@ -130,11 +213,11 @@ class _MainPageState extends State<MainPage> {
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onPressed: () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => QuizPage(e)),
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MaterialPageRoute(builder: (context) => QuizPage(e, saveStateList)),
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);
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},
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onLongPress: () {
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askToDeleteVault(e);
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_vaultMenu(e);
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},
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child: Text(e.name),
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)))
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@ -153,6 +236,8 @@ class Question {
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List<String> answers;
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int correct;
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String explanation;
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int drawer = 0;
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int lastInRun = 0;
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Question(this.quest, this.answers, this.correct, this.explanation);
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@ -201,8 +286,21 @@ class Vault {
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};
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}
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void randomize() {
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questions.shuffle(Random());
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Map<String, dynamic> toStateJson() {
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return {"name": name, "drawers": questions.map((d) => d.drawer).toList()};
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}
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void reset() {
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for (var q in questions) {
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q.drawer = 0;
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q.lastInRun = 0;
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}
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}
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void softReset() {
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for (var q in questions) {
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q.lastInRun = 0;
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}
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}
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factory Vault.fromJson(Map<String, dynamic> json) {
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@ -219,4 +317,17 @@ class Vault {
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.toList(),
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);
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}
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loadState(Map<String, dynamic> json) {
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if (json["name"] != name) throw ErrorDescription("Wrong Vault Error");
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if (json["drawers"] is! List<dynamic>) {
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throw ErrorDescription("fromJSON Error: questions");
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}
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var stateList = json["drawers"];
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for (var i = 0; i < stateList.length; i++) {
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var q = questions.elementAtOrNull(i);
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if (q != null) {
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q.drawer = stateList[i] as int;
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}
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}
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}
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}
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