124 lines
3.9 KiB
Dart
124 lines
3.9 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:get/get.dart';
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import 'package:pilipala/common/constants.dart';
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import 'package:pilipala/common/widgets/http_error.dart';
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import 'package:pilipala/pages/main/index.dart';
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import 'package:pilipala/pages/rcmd/view.dart';
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import 'controller.dart';
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import 'widgets/bangumu_card_v.dart';
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class BangumiPage extends StatefulWidget {
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const BangumiPage({super.key});
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@override
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State<BangumiPage> createState() => _BangumiPageState();
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}
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class _BangumiPageState extends State<BangumiPage>
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with AutomaticKeepAliveClientMixin {
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final BangumiController _bangumidController = Get.put(BangumiController());
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late Future? _futureBuilderFuture;
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@override
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bool get wantKeepAlive => true;
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@override
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void initState() {
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super.initState();
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ScrollController scrollController = _bangumidController.scrollController;
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StreamController<bool> mainStream =
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Get.find<MainController>().bottomBarStream;
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_futureBuilderFuture = _bangumidController.queryBangumiListFeed();
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scrollController.addListener(
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() async {
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if (scrollController.position.pixels >=
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scrollController.position.maxScrollExtent - 200) {
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if (!_bangumidController.isLoadingMore) {
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_bangumidController.isLoadingMore = true;
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await _bangumidController.onLoad();
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}
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}
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final ScrollDirection direction =
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scrollController.position.userScrollDirection;
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if (direction == ScrollDirection.forward) {
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mainStream.add(true);
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} else if (direction == ScrollDirection.reverse) {
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mainStream.add(false);
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}
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},
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);
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}
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@override
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Widget build(BuildContext context) {
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return Container(
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clipBehavior: Clip.hardEdge,
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margin: const EdgeInsets.only(
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left: StyleString.safeSpace, right: StyleString.safeSpace),
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decoration: const BoxDecoration(
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borderRadius: BorderRadius.all(StyleString.imgRadius),
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),
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child: RefreshIndicator(
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onRefresh: () async {
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return Future.delayed(const Duration(seconds: 2));
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},
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child: CustomScrollView(
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controller: _bangumidController.scrollController,
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slivers: [
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SliverPadding(
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padding: EdgeInsets.zero,
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sliver: FutureBuilder(
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future: _futureBuilderFuture,
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.done) {
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Map data = snapshot.data as Map;
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if (data['status']) {
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return Obx(() => contentGrid(_bangumidController,
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_bangumidController.bangumiList));
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} else {
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return HttpError(
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errMsg: data['msg'],
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fn: () => {},
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);
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}
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} else {
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return contentGrid(_bangumidController, []);
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}
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},
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),
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),
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const LoadingMore()
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],
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),
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),
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);
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}
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Widget contentGrid(ctr, bangumiList) {
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return SliverGrid(
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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// 行间距
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mainAxisSpacing: StyleString.cardSpace - 2,
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// 列间距
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crossAxisSpacing: StyleString.cardSpace,
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// 列数
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crossAxisCount: 3,
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mainAxisExtent: Get.size.width / 3 / 0.65 + 45,
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),
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delegate: SliverChildBuilderDelegate(
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(BuildContext context, int index) {
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return bangumiList!.isNotEmpty
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? BangumiCardV(bangumiItem: bangumiList[index])
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: const SizedBox();
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},
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childCount: bangumiList!.isNotEmpty ? bangumiList!.length : 10,
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),
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);
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}
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}
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