flashcards-app/lib/components/flashcards_page/progress_bar.dart

76 lines
2.1 KiB
Dart

import 'package:fiszki_projekt/configs/constants.dart';
import 'package:fiszki_projekt/notifiers/flashcards_notifier.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
class ProgressBar extends StatefulWidget {
const ProgressBar({super.key});
@override
State<ProgressBar> createState() => _ProgressBarState();
}
class _ProgressBarState extends State<ProgressBar>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
//wartości aby wiedzieć jak zanimować progress bar
double progressBarState1 = 0.0;
double progressBarState2 = 0.0;
@override
void initState() {
super.initState();
_controller = AnimationController(
duration: const Duration(milliseconds: constProgressBarIncreaseDuration),
vsync: this,
);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
void startAnim() {
_controller.reset();
_controller.forward();
progressBarState1 = progressBarState2;
}
@override
Widget build(BuildContext context) {
final screenSize = MediaQuery.of(context).size;
return Consumer<FlashcardsNotifier>(
builder: (_, notifier, __) {
progressBarState2 = notifier.percentComplete;
if (progressBarState2 == 0) {
progressBarState1 = 0;
}
var animation =
Tween<double>(begin: progressBarState1, end: progressBarState2)
.animate(CurvedAnimation(
parent: _controller, curve: Curves.easeInOutCubic));
startAnim();
return AnimatedBuilder(
animation: _controller,
builder: (context, child) => Padding(
padding: EdgeInsets.all(screenSize.width * 0.05),
child: ClipRRect(
borderRadius:
BorderRadius.circular(constBorderRadiusElevatedButtons),
child: LinearProgressIndicator(
minHeight: screenSize.height * 0.03,
value: animation.value,
),
),
),
);
},
);
}
}