YYHome/packages/cpt_community/lib/modules/community/community_page.dart

import 'package:cs_resources/generated/assets.dart';
import 'package:flutter/material.dart';
import 'package:auto_route/auto_route.dart';
import 'package:flutter/rendering.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 'package:cs_resources/theme/app_colors_theme.dart';
import 'package:widgets/widget_export.dart';

import '../../router/page/community_page_router.dart';
import '../my_posts/my_posts_page.dart';
import 'newsfeed_tabs.dart';
import 'community_vm.dart';
import 'customSilverHeaderTabs.dart';

final tabsRouterKey = GlobalKey<AutoTabsRouterState>();


@RoutePage()
class CommunityPage extends HookConsumerWidget {
    const CommunityPage({Key? key}) : super(key: key);

    //启动当前页面
    static void startInstance({BuildContext? context}) {
      if (context != null) {
        context.router.push(const CommunityPageRoute());
      } else {
        appRouter.push(const CommunityPageRoute());
      }
    }

    @override
    Widget build(BuildContext context, WidgetRef ref) {
        final vm = ref.read(communityVmProvider.notifier);
        final state = ref.watch(communityVmProvider);

        useEffect((){
          Log.d("CommunityPage initState");
          // 延迟监听
          WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
            if(tabsRouterKey.currentState?.controller != null){
              tabsRouterKey.currentState?.controller?.addListener((){
                vm.tabsRouterChange();
              });
            }
          });

          return (){
            Log.d("CommunityPage dispose");
            tabsRouterKey.currentState?.controller?.removeListener(vm.tabsRouterChange);
          };
        },[tabsRouterKey.currentState?.controller]);

        return Scaffold(
            appBar: state.currentCategoryIdx == 0 ? MyAppBar.appBar(
              context,
              "Community",
              backgroundColor: context.appColors.backgroundWhite,
            ): MyAppBar.searchAppBar(
              context,
              actions: [
                IconButton(
                  icon: const Icon(Icons.search),
                  onPressed: () {
                    // do something
                    vm.handlerChooseGarageCategory(context);
                  },
                ),
              ],
              backgroundColor: context.appColors.backgroundWhite,
            ),
          backgroundColor: context.appColors.backgroundDefault,
          body: AutoTabsRouter.pageView(
            key: tabsRouterKey,
            routes: const [
              NewsPageRoute(),
              FollowingPageRoute(),
              ForyouPageRoute(),
              ForsalePageRoute(),
              ForrentPageRoute(),
            ],
            // physics: const NeverScrollableScrollPhysics(), // 禁止滚动
            builder: (context, child, pageController) {
              final tabsRouter = AutoTabsRouter.of(context);

              return NestedScrollView(
                headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
                  return [
                    // top 组件，转换为 Sliver 组件
                    SliverToBoxAdapter(
                      child: _buildTopSection(context, ref, vm, state),
                    ),
                    // tab 组件，使用 SliverPersistentHeader 实现吸顶
                    // SliverPersistentHeader(
                    //   pinned: true,
                    //   delegate: CustomSliverPersistentHeaderDelegate(
                    //     child: _buildTabsSection(context, ref, tabsRouter, vm, state),
                    //   ),
                    // ),
                    // SliverToBoxAdapter(
                    //   child: _buildPostSection(context, ref, vm, state),
                    // ),
                  ];
                },
                body: Column(
                  mainAxisSize: MainAxisSize.max,
                  children: [
                    _buildTabsSection(context, ref, tabsRouter, vm, state),
                    _buildPostSection(context, ref, vm, state),
                    Expanded(
                        child: child
                    ),
                  ],
                ), // post 组件和其他内容
              );
            },
          ),
        );
    }


     Widget _buildTopSection(BuildContext context, WidgetRef ref, vm, state) {
        final topSectionsData = vm.topSectionsData;
        // final currentPageIdx = tabsRouterKey.currentState?.controller?.activeIndex ?? 0;
        int curTagIdx = 0;
        int currentPageIdx = state.currentPageViewIdx;
        int newsfeedTabCount = state.newsFeedTabsList.length;
        if(currentPageIdx >= newsfeedTabCount){
          curTagIdx = 1;
        }else {
          curTagIdx = 0;
        }
        return Container(
          color: context.appColors.whiteBG,
          padding: const EdgeInsets.only(top: 23, bottom: 30),
          child: Center(
            child: Row(
              mainAxisSize: MainAxisSize.max,
              mainAxisAlignment: MainAxisAlignment.center,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: List.generate(topSectionsData.length, (index) {
                final item = topSectionsData[index];
                return Column(
                  children: [
                    Container(
                      width: MediaQuery.of(context).size.width / topSectionsData.length - 36,
                      height: 70,
                      decoration: BoxDecoration(
                        shape: BoxShape.circle, // 设置为圆形
                        boxShadow: index == curTagIdx ? [
                          BoxShadow(
                            color: context.appColors.tabLightBlueShadow, // 设置阴影颜色
                            blurRadius: 5, // 设置模糊半径
                            spreadRadius: 0.05, // 控制阴影扩散
                            offset: const Offset(0, 4), // 设置阴影偏移量
                          ),] : [],// 未选中时无阴影,
                      ),
                      child: MyAssetImage(
                        item['icon'],
                        width: MediaQuery.of(context).size.width / topSectionsData.length - 36,
                        height: 70,
                      ).onTap(() {
                          vm.handlerSwitchNewsfeedOrGaragesale(index, context, null);
                        },
                        type: ClickType.throttle,
                      ),
                    ),
                    SizedBox.fromSize(size: const Size(0, 9)),
                    MyTextView(
                      item['title'],
                      fontSize: 15,
                      textColor: index == curTagIdx ? ColorUtils.string2Color('#4161D0'):Colors.black,
                      textAlign: TextAlign.center,
                      isFontMedium: true,
                    ),
                  ],
                ).marginOnly(left: 18, right: 18, top: 10, bottom: 10);
              }),
            ),
          ),
        );
    }

     Widget _buildTabsSection(BuildContext context, WidgetRef ref, tabsRouter, vm, state){
       int currentPageIndex = tabsRouter!.activeIndex ?? 0;
       int newsfeedTabCount = state.newsFeedTabsList.length;

       List<String> tabsList;
       if(currentPageIndex < newsfeedTabCount){
         // news feed
         tabsList = state.newsFeedTabsList ?? [];
       }else {
         tabsList = state.garageSaleTabsList ?? [];
       }
       return Container(
        width: double.infinity,
        padding: const EdgeInsets.only(left: 15, right: 15,top: 14,bottom: 12),
        color: ColorUtils.string2Color('#F2F3F6'),
        child: NewsfeedTabs(
          key: UniqueKey(),
          tabsList: tabsList,
            tabsRouter: tabsRouter,
          onClickAction:(Map<String, dynamic>? params){
            if (params != null) {
              // 解构 params
              final int? currentCatgoryIdx = params['currentCatgoryIdx'] as int?;
              final int? tabIdx = params['tabIdx'] as int?;
              vm.handlerChangeTab(tabIdx, tabsRouter, currentCatgoryIdx);
            }
          }
        ),
      );
    }

      Widget _buildPostSection(BuildContext context, WidgetRef ref, vm, state){
        int currentPageIndex = state.currentPageViewIdx;
        int newsfeedTabCount = state.newsFeedTabsList.length;
        if(currentPageIndex < newsfeedTabCount){
          // news feed
          return  _buildNewsFeedPost(context, ref, vm, state);
        }else {
          return  _buildGarageSalePost(context, ref, vm, state);
        }

      }

      Widget _buildNewsFeedPost(BuildContext context, WidgetRef ref, vm, state){
        return Container(
          height: 65.5,
          width: double.infinity,
          padding: const EdgeInsets.only(left: 20, right: 20),
          color: Colors.white,
          child: Row(
            children: [
              const MyAssetImage(Assets.communityNesFeed, width: 45,height: 45,),
              Expanded(
                child: MyTextView(
                  "What’s on your mind?",
                  textColor: context.appColors.textBlack,
                  fontSize: 15,
                  marginLeft: 15,
                  alignment: Alignment.centerLeft,
                  textAlign: TextAlign.left,
                  backgroundColor: ColorUtils.string2Color('#ffffff'),
                  maxLines: 1,
                  isFontMedium: true,
                ),
              ),
              const MyAssetImage(
                Assets.communityCamera,
                width: 21,
                height: 16.5,
              ),
            ],
          ).onTap((){
            vm.handlerGotoNewsfeedPost(context);
          }),
        );
      }

      Widget _buildGarageSalePost(BuildContext context, WidgetRef ref, vm, state){
        return Container(
          height: 65.5,
          width: double.infinity,
          padding: const EdgeInsets.only(left: 20, right: 20),
          color: Colors.white,
          child: Row(
            children: [
              const MyAssetImage(Assets.communityNesFeed, width: 45,height: 45,),
              Expanded(
                child: MyTextView(
                  "Sell Item",
                  textColor: context.appColors.textBlack,
                  fontSize: 15,
                  marginLeft: 15,
                  alignment: Alignment.centerLeft,
                  textAlign: TextAlign.left,
                  backgroundColor: ColorUtils.string2Color('#ffffff'),
                  maxLines: 1,
                  isFontMedium: true,
                ),
              ),
              const MyAssetImage(
                Assets.communityCamera,
                width: 21,
                height: 16.5,
              ),
            ],
          ).onTap((){
            vm.handlerGotoGaragePost(context);
          }),
        );
      }
}