pmu_flutter/lec6/lib/view/home_page/home_page.dart

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2024-10-18 01:15:10 +04:00
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:test_app/domain/card.dart';
import 'package:test_app/utils/debounce.dart';
import 'package:test_app/view/details_page/details_page.dart';
import 'package:test_app/view/home_page/bloc/bloc.dart';
import 'package:test_app/view/home_page/bloc/events.dart';
import 'package:test_app/view/home_page/bloc/state.dart';
import 'package:test_app/view/home_page/card/home_card.dart';
import 'package:test_app/view/home_page/like_bloc/like_bloc.dart';
import 'package:test_app/view/home_page/like_bloc/like_event.dart';
part 'home_page_error.dart';
part 'home_page_list.dart';
part 'home_page_spinner.dart';
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final Color _color = Colors.orangeAccent;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: _color,
title: Text(widget.title),
),
body: const Body(),
);
}
}
class Body extends StatefulWidget {
const Body({super.key});
@override
State<Body> createState() => _BodyState();
}
class _BodyState extends State<Body> {
final searchController = TextEditingController();
final scrollController = ScrollController();
@override
void initState() {
WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<HomeBloc>().add(const HomeLoadDataEvent());
context.read<LikeBloc>().add(const LoadLikesEvent());
});
scrollController.addListener(_onNextPageListener);
super.initState();
}
void _onNextPageListener() {
Debounce.run(() {
if (scrollController.offset >
scrollController.position.maxScrollExtent - 10) {
final bloc = context.read<HomeBloc>();
if (!bloc.state.isLoading) {
bloc.add(HomeLoadDataEvent(
search: searchController.text,
nextPage: bloc.state.data?.nextPage));
}
}
});
}
@override
void dispose() {
searchController.dispose();
scrollController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Column(
children: [
Padding(
padding: const EdgeInsets.all(16),
child: SearchBar(
leading: const Icon(Icons.search),
trailing: [
IconButton(
onPressed: () {
searchController.clear();
context.read<HomeBloc>().add(const HomeLoadDataEvent());
},
icon: const Icon(Icons.clear)),
],
controller: searchController,
onChanged: (search) {
Debounce.run(() => context
.read<HomeBloc>()
.add(HomeLoadDataEvent(search: search)));
},
),
),
Expanded(
child: Stack(
children: [
const _HomePageError(),
Positioned.fill(
child: _HomePageList(
searchController: searchController,
scrollController: scrollController,
),
),
const _HomePageSpinner(),
],
),
),
],
);
}
}