Files
pilipala/lib/pages/follow/view.dart
2023-08-31 21:42:59 +08:00

124 lines
4.3 KiB
Dart

import 'package:easy_debounce/easy_throttle.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:pilipala/common/widgets/http_error.dart';
import 'package:pilipala/common/widgets/no_data.dart';
import 'package:pilipala/models/follow/result.dart';
import 'controller.dart';
import 'widgets/follow_item.dart';
class FollowPage extends StatefulWidget {
const FollowPage({super.key});
@override
State<FollowPage> createState() => _FollowPageState();
}
class _FollowPageState extends State<FollowPage> {
final FollowController _followController = Get.put(FollowController());
final ScrollController scrollController = ScrollController();
Future? _futureBuilderFuture;
@override
void initState() {
super.initState();
_futureBuilderFuture = _followController.queryFollowings('init');
scrollController.addListener(
() async {
if (scrollController.position.pixels >=
scrollController.position.maxScrollExtent - 200) {
EasyThrottle.throttle('follow', const Duration(seconds: 1), () {
_followController.queryFollowings('onLoad');
});
}
},
);
}
@override
void dispose() {
scrollController.removeListener(() {});
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
elevation: 0,
scrolledUnderElevation: 0,
titleSpacing: 0,
centerTitle: false,
title: Text(
'${_followController.name}的关注',
style: Theme.of(context).textTheme.titleMedium,
),
),
body: RefreshIndicator(
onRefresh: () async =>
await _followController.queryFollowings('init'),
child: FutureBuilder(
future: _futureBuilderFuture,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.done) {
var data = snapshot.data;
if (data['status']) {
List<FollowItemModel> list = _followController.followList;
return Obx(
() => list.isNotEmpty
? ListView.builder(
controller: scrollController,
itemCount: list.length + 1,
itemBuilder: (BuildContext context, int index) {
if (index == list.length) {
return Container(
height:
MediaQuery.of(context).padding.bottom +
60,
padding: EdgeInsets.only(
bottom: MediaQuery.of(context)
.padding
.bottom),
child: Center(
child: Obx(
() => Text(
_followController.loadingText.value,
style: TextStyle(
color: Theme.of(context)
.colorScheme
.outline,
fontSize: 13),
),
),
),
);
} else {
return followItem(item: list[index]);
}
},
)
: const CustomScrollView(
slivers: [NoData()],
),
);
} else {
return CustomScrollView(
slivers: [
HttpError(
errMsg: data['msg'],
fn: () => _followController.queryFollowings('init'),
)
],
);
}
} else {
// 骨架屏
return const SizedBox();
}
},
)),
);
}
}