flashcards-app/lib/pages/saved_cards_page.dart

162 lines
5.5 KiB
Dart

import 'package:fiszki_projekt/components/app/cutom_appbar.dart';
import 'package:fiszki_projekt/configs/constants.dart';
import 'package:fiszki_projekt/databases/database_manager.dart';
import 'package:fiszki_projekt/enums/language_type_enum.dart';
import 'package:fiszki_projekt/notifiers/flashcards_notifier.dart';
import 'package:fiszki_projekt/notifiers/saved_cards_notifier.dart';
import 'package:fiszki_projekt/pages/flashcards_page.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../components/saved_cards_page/top_button.dart';
import '../components/saved_cards_page/bottom_button.dart';
import '../components/saved_cards_page/flashcard_tile.dart';
import '../data/word.dart';
class ReviewPage extends StatefulWidget {
const ReviewPage({super.key});
@override
State<ReviewPage> createState() => _ReviewPageState();
}
class _ReviewPageState extends State<ReviewPage> {
final _listKey = GlobalKey<AnimatedListState>();
final _reviewWords = [];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const PreferredSize(
preferredSize: Size.fromHeight(constAppBarH),
child: CustomAppBar(),
),
body: Column(
children: [
Expanded(
flex: 1,
child: Selector<SavedCardsNotifier, bool>(
selector: (_, review) => review.buttonsAreDisabled,
builder: (_, disable, __) => Row(
children: [
TopButton(
isDisabled: disable,
title: 'Nauka wszystkich',
onPressed: () {
final provider = Provider.of<FlashcardsNotifier>(context,
listen: false);
provider.selectedWords.clear();
DatabaseManager().selectWords().then((words) {
provider.selectedWords = words.toList();
Navigator.pushReplacement(
context,
MaterialPageRoute(
builder: (context) => FlashcardsPage()));
});
},
),
TopButton(
isDisabled: disable,
title: 'Usuń wszystko',
onPressed: () {
_clearAllWords();
},
),
],
),
),
),
Expanded(
flex: 10,
child: FutureBuilder(
future: DatabaseManager().selectWords(),
builder: (context, snapshot) {
if (snapshot.hasData) {
var sortlist = snapshot.data as List<Word>;
sortlist.sort((a, b) => a.polish.compareTo(b.polish));
WidgetsBinding.instance.addPostFrameCallback(((timeStamp) {
_insertWords(words: sortlist);
}));
return AnimatedList(
key: _listKey,
initialItemCount: _reviewWords.length,
itemBuilder: (context, index, animation) => WordTile(
word: _reviewWords[index],
animation: animation,
onPressed: () {
_removeWord(word: _reviewWords[index]);
},
),
);
} else {
//jeśli nie ma hasdata
return SizedBox();
}
},
),
),
Expanded(
flex: 1,
child: Selector<SavedCardsNotifier, bool>(
selector: (_, review) => review.buttonsAreDisabled,
builder: (_, disable, __) => Row(
children: [
BottomButton(
isDisabled: disable,
languageType: LanguageTypeEnum.polish,
),
BottomButton(
isDisabled: disable,
languageType: LanguageTypeEnum.german,
),
],
),
),
),
],
),
);
}
_insertWords({required List<Word> words}) {
for (int i = 0; i < words.length; i++) {
_listKey.currentState?.insertItem(i);
_reviewWords.insert(i, words[i]);
}
}
_removeWord({required Word word}) async {
var w = word;
_listKey.currentState?.removeItem(_reviewWords.indexOf(w),
(context, animation) => WordTile(word: w, animation: animation));
_reviewWords.remove(w);
await DatabaseManager().removeWord(word: w);
//jeśli usunę ostatnie słowo to wyłączam przyciski
if (_reviewWords.isEmpty) {
// ignore: use_build_context_synchronously
Provider.of<SavedCardsNotifier>(context, listen: false)
.disableButtons(disable: true);
}
}
_clearAllWords() {
for (int i = 0; i < _reviewWords.length; i++) {
_listKey.currentState?.removeItem(
0,
(context, animation) =>
WordTile(word: _reviewWords[i], animation: animation));
}
WidgetsBinding.instance.addPostFrameCallback((timeStamp) async {
_reviewWords.clear();
await DatabaseManager().removeAllWords();
//tu gdy usuwam wszystkie słowa na raz to guzki też wyłączam
// ignore: use_build_context_synchronously
Provider.of<SavedCardsNotifier>(context, listen: false)
.disableButtons(disable: true);
});
}
}