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compare: jusax23:62019663605cc6a52a32c58432358bd831a3f8f5
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c38305d38c ... 6201966360

3 changed files with 72 additions and 242 deletions
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38
js/example.json
View file

@ -1,38 +0,0 @@
{
"name": "example",
"questions": [
{
"quest": "Q1",
"answers": [
"A",
"B",
"C",
"D"
],
"correct": 0,
"explanation": "not close"
},
{
"quest": "Q2",
"answers": [
"A",
"B",
"C",
"D"
],
"correct": 0,
"explanation": "not close"
},
{
"quest": "Q3",
"answers": [
"A",
"B",
"C",
"D"
],
"correct": 0,
"explanation": "not close"
}
]
}

91
lib/learn.dart
View file

@ -3,69 +3,46 @@ import 'package:ju_learn/main.dart';
class QuizPage extends StatefulWidget {
Vault v;
Function saveState;
QuizPage(this.v, this.saveState, {super.key});
QuizPage(this.v, {super.key});
@override
// ignore: no_logic_in_create_state, library_private_types_in_public_api
_QuizPageState createState() => _QuizPageState(v, saveState);
_QuizPageState createState() {
v.randomize();
return _QuizPageState(v);
}
}
class _QuizPageState extends State<QuizPage> {
int run = 0;
Question _currentQuestion = Question("Dummy", ["Dummy aws"], 0, "dummy");
int askState = -1;
int _currentQuestionIndex = 0;
int ask_state = -1;
int _score = 0;
Vault v;
Function saveState;
_QuizPageState(this.v, this.saveState) {
_currentQuestion.drawer = 0x0fffffff;
v.softReset();
_nextQuestion();
}
_QuizPageState(this.v);
void _checkAnswer(int selectedIndex) {
if (selectedIndex == _currentQuestion.correct) {
_currentQuestion.drawer++;
} else {
_currentQuestion.drawer = 0;
}
_currentQuestion.lastInRun = run;
saveState();
//if (selectedIndex == v.questions[_currentQuestionIndex].correct) {
// setState(() {
// _score++;
// });
//}
setState(() {
askState = selectedIndex;
ask_state = selectedIndex;
});
}
void _nextQuestion() {
Question lowestQ = _currentQuestion;
for (var a in v.questions) {
if (a == _currentQuestion) continue;
int i = a.drawer - lowestQ.drawer;
if (i > 1) {
continue;
setState(() {
if (_currentQuestionIndex < v.questions.length - 1) {
ask_state = -1;
_currentQuestionIndex++;
} else {
_showResultDialog();
}
if (i < -1) {
lowestQ = a;
continue;
}
if ((run - a.lastInRun - 10).abs() -
(run - lowestQ.lastInRun - 10).abs() <
0) {
lowestQ = a;
}
}
if (mounted) {
setState(() {
_currentQuestion = lowestQ;
askState = -1;
});
} else {
_currentQuestion = lowestQ;
}
run++;
});
}
/*void _showResultDialog() {
void _showResultDialog() {
showDialog(
context: context,
builder: (BuildContext context) {
@ -87,7 +64,7 @@ class _QuizPageState extends State<QuizPage> {
);
},
);
}*/
}
@override
Widget build(BuildContext context) {
@ -101,38 +78,40 @@ class _QuizPageState extends State<QuizPage> {
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(
_currentQuestion.quest,
v.questions[_currentQuestionIndex].quest,
style: const TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 20.0),
..._currentQuestion.answers.map(
...v.questions[_currentQuestionIndex].answers.map(
(option) {
return Container(
margin: const EdgeInsets.symmetric(vertical: 8.0),
child: FilledButton(
onPressed: () => askState == -1
onPressed: () => ask_state == -1
? _checkAnswer(
_currentQuestion.answers.indexOf(option),
v.questions[_currentQuestionIndex].answers
.indexOf(option),
)
: _nextQuestion(),
style: FilledButton.styleFrom(
padding: const EdgeInsets.all(16.0),
backgroundColor: askState == -1
backgroundColor: ask_state == -1
? null
: (_currentQuestion.correct ==
_currentQuestion.answers.indexOf(option)
: (v.questions[_currentQuestionIndex].correct ==
v.questions[_currentQuestionIndex].answers
.indexOf(option)
? Colors.green
: Colors.red),
),
child: Text(option)));
},
),
if (askState != -1)
if (ask_state != -1)
Text(
_currentQuestion.explanation,
v.questions[_currentQuestionIndex].explanation,
style: const TextStyle(
fontSize: 15.0,
fontWeight: FontWeight.bold,

185
lib/main.dart
View file

@ -28,37 +28,21 @@ class MainPage extends StatefulWidget {
const MainPage({super.key});
@override
MainPageState createState() => MainPageState();
_MainPageState createState() => _MainPageState();
}
class MainPageState extends State<MainPage> {
class _MainPageState extends State<MainPage> {
List<Vault> _vaults = [];
MainPageState() {
_MainPageState() {
loadList();
}
Vault? getByName(String name) {
for (var v in _vaults) {
if (v.name == name) return v;
}
return null;
}
loadList() async {
final prefs = await SharedPreferences.getInstance();
List<String>? json = prefs.getStringList("vaults");
List<String>? jsonState = prefs.getStringList("vaultStates");
if (json == null) return;
setState(() {
_vaults = json.map((e) => Vault.fromJson(jsonDecode(e))).toList();
});
if (jsonState == null) return;
for (var s in jsonState) {
var sMap = jsonDecode(s);
Vault? v = getByName(sMap["name"]);
if (v == null) continue;
v.loadState(sMap);
}
}
saveList() async {
@ -67,99 +51,33 @@ class MainPageState extends State<MainPage> {
"vaults", _vaults.map((e) => jsonEncode(e.toJson())).toList());
}
saveStateList() async {
final prefs = await SharedPreferences.getInstance();
prefs.setStringList("vaultStates",
_vaults.map((e) => jsonEncode(e.toStateJson())).toList());
}
_vaultMenu(Vault v) async {
showModalBottomSheet(
context: context,
builder: (context) => BottomSheet(
builder: (context) => Column(children: [
Padding(
padding: const EdgeInsets.all(8),
child: Text(v.name,
style: const TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.bold,
))),
ListTile(
leading: const Icon(Icons.restore),
title: const Text("Reset Vault"),
subtitle: const Text("Reset Vault learn Data to default."),
trailing: const Icon(Icons.chevron_right),
onTap: () {
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: const Text('Reset Vault'),
content:
Text('Do you want to reset „${v.name}“ Vault?'),
actions: [
TextButton(
child: const Text('Reset'),
onPressed: () {
setState(() {
v.reset();
});
saveStateList();
Navigator.of(context).pop();
Navigator.of(context).pop();
},
),
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: const Text('Cancle'))
],
);
},
);
},
),
ListTile(
leading: const Icon(Icons.delete),
title: const Text("Vault löschen"),
subtitle: Text('Do you want to delete „${v.name}“ Vault?'),
trailing: const Icon(Icons.chevron_right),
onTap: () async {
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: const Text('Delete Vault'),
content: Text(
'Do you want to delete „${v.name}“ Vault?'),
actions: [
TextButton(
child: const Text('Delete'),
onPressed: () {
setState(() {
_vaults.remove(v);
});
saveList();
saveStateList();
Navigator.of(context).pop();
Navigator.of(context).pop();
},
),
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: const Text('Cancle'))
],
);
},
);
})
]),
onClosing: () {},
));
askToDeleteVault(Vault v) async {
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: const Text('Delete Vault'),
content: Text('Do you want to delete „${v.name}“ Vault?'),
actions: [
TextButton(
child: const Text('Delete'),
onPressed: () {
setState(() {
_vaults.remove(v);
});
saveList();
Navigator.of(context).pop();
},
),
TextButton(
onPressed: () {
Navigator.of(context).pop();
},
child: const Text('Cancle'))
],
);
},
);
}
_pickFile() async {
@ -177,8 +95,9 @@ class MainPageState extends State<MainPage> {
});
saveList();
} catch (e) {
print(e);
if (kDebugMode) {
print(e);
}
AlertDialog(
title: const Text('Error'),
content: const Text('An error has occurred.'),
@ -195,8 +114,6 @@ class MainPageState extends State<MainPage> {
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
@ -213,11 +130,11 @@ class MainPageState extends State<MainPage> {
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(builder: (context) => QuizPage(e, saveStateList)),
MaterialPageRoute(builder: (context) => QuizPage(e)),
);
},
onLongPress: () {
_vaultMenu(e);
askToDeleteVault(e);
},
child: Text(e.name),
)))
@ -236,8 +153,6 @@ class Question {
List<String> answers;
int correct;
String explanation;
int drawer = 0;
int lastInRun = 0;
Question(this.quest, this.answers, this.correct, this.explanation);
@ -286,21 +201,8 @@ class Vault {
};
}
Map<String, dynamic> toStateJson() {
return {"name": name, "drawers": questions.map((d) => d.drawer).toList()};
}
void reset() {
for (var q in questions) {
q.drawer = 0;
q.lastInRun = 0;
}
}
void softReset() {
for (var q in questions) {
q.lastInRun = 0;
}
void randomize() {
questions.shuffle(Random());
}
factory Vault.fromJson(Map<String, dynamic> json) {
@ -317,17 +219,4 @@ class Vault {
.toList(),
);
}
loadState(Map<String, dynamic> json) {
if (json["name"] != name) throw ErrorDescription("Wrong Vault Error");
if (json["drawers"] is! List<dynamic>) {
throw ErrorDescription("fromJSON Error: questions");
}
var stateList = json["drawers"];
for (var i = 0; i < stateList.length; i++) {
var q = questions.elementAtOrNull(i);
if (q != null) {
q.drawer = stateList[i] as int;
}
}
}
}