import 'package:cpt_community/modules/newsfeed/newsfeed_vm.dart'; import 'package:cs_resources/theme/app_colors_theme.dart'; import 'package:flutter/material.dart'; import 'package:auto_route/auto_route.dart'; import 'package:flutter_hooks/flutter_hooks.dart'; import 'package:hooks_riverpod/hooks_riverpod.dart'; import 'package:router/ext/auto_router_extensions.dart'; import 'package:shared/utils/color_utils.dart'; import 'package:shared/utils/log_utils.dart'; import 'package:widgets/my_load_image.dart'; import 'package:widgets/ext/ex_widget.dart'; import 'package:widgets/my_text_view.dart'; import 'package:widgets/my_appbar.dart'; import '../community/community_vm.dart'; import '../garagesale/garagesale_vm.dart'; class NewsfeedTabs extends HookConsumerWidget { List tabsList; Widget? Function(BuildContext)? tabItemBuilder; VoidCallback? onClickAction; NewsfeedTabs({ Key? key, required this.tabsList, this.onClickAction, this.tabItemBuilder }) : super(key: key); Widget _buildTabItem(BuildContext context, WidgetRef ref, vm, item, index) { // 监听 activeIndex 的变化 final activeIndex = ref.watch(newsfeedVmProvider.select((state) => state.activeIndex)); return Container( width: MediaQuery.of(context).size.width / vm.state.tabsList.length - 30, height: 43, padding: const EdgeInsets.only(top: 10, bottom: 10, left: 10, right: 10), decoration: index==activeIndex? BoxDecoration( color: index==activeIndex? context.appColors.btnBgDefault: ColorUtils.string2Color("#F2F3F6"), borderRadius: BorderRadius.circular(20), boxShadow: [ BoxShadow( color: Colors.grey.withOpacity(0.5), spreadRadius: 1, blurRadius: 5, offset: const Offset(0, 2), // changes position of shadow ), ], ): null, child: Row( children: [ Expanded( child: Container( alignment: Alignment.center, child: MyTextView( item['title'], fontSize: 16, textAlign: TextAlign.center, isFontMedium: true, textColor: index == activeIndex ? Colors.white :ColorUtils.string2Color("#000000"), ), ), ), ], ), ).onTap((){ vm.handlerClickTab(index, item); }); } List _buildTabs(BuildContext context, WidgetRef ref, vm){ int currentUseTag = ref.watch(newsfeedVmProvider.select((state) => state.useTag!)); List tabsList = ref.read(newsfeedVmProvider).tabsList; int tabsLength = tabsList.length; return List.generate(tabsLength, (index) { return _buildTabItem(context, ref, vm, tabsList[index], index); }); } @override Widget build(BuildContext context, WidgetRef ref) { final vm = ref.read(newsfeedVmProvider.notifier); // 使用useEffect钩子 useEffect(() { print('副作用函数执行'); // 这里是副作用逻辑 // vm.initPropData(tabsList, tabItemBuilder, onClickAction); // 返回清理函数 return () { print('清理函数执行'); }; }, []); // 空依赖列表意味着这个副作用只在组件挂载时执行一次 return SingleChildScrollView( scrollDirection: Axis.horizontal, physics: const BouncingScrollPhysics(), clipBehavior: Clip.none, child: Row( mainAxisSize: MainAxisSize.max, mainAxisAlignment: MainAxisAlignment.center, children: _buildTabs(context, ref, vm), ).constrained( maxWidth: MediaQuery.of(context).size.width ), ); } }