YYHome/packages/cpt_services/lib/modules/services/services_page.dart

import 'package:cpt_services/modules/services/services_pageview_idx_data.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:plugin_basic/provider/user_config/user_config_service.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/custom_sliver_persistent_header_delegate.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/services_page_router.dart';
import 'inProgress/in_progress_page.dart';
import 'services_vm.dart';

final tabsRouterKey = GlobalKey<AutoTabsRouterState>();
final GlobalKey<ExtendedNestedScrollViewState> extendedNestedScrollViewKey =
GlobalKey<ExtendedNestedScrollViewState>();
@RoutePage()
class ServicesPage extends HookConsumerWidget with WidgetsBindingObserver {
  ServicesPage({Key? key}) : super(key: key);

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

  bool _isKeyboardVisible = false;

  void handlerNestedScrollViewScroll({double? outerOffset, double? innerOffset, bool? isOuterScrollAnimated=false, bool? isInnerScrollAnimated=false}){

    if(outerOffset !=null){
      if(isOuterScrollAnimated!){
        extendedNestedScrollViewKey.currentState?.outerController.animateTo(
          outerOffset,
          duration: const Duration(seconds: 1),
          curve: Curves.easeIn,
        );
      }else {
        extendedNestedScrollViewKey.currentState?.outerController.jumpTo(
          outerOffset,
        );
      }
    }

    if(innerOffset !=null){
      extendedNestedScrollViewKey.currentState?.innerPositions.forEach((position) {
        if(isInnerScrollAnimated!){
          position.animateTo(innerOffset,
              duration: Duration(seconds: 1), curve: Curves.easeIn);
        }else {
          position.jumpTo(innerOffset);
        }
      });
    }
  }

  @override
  void didChangeMetrics() {
    final bottomInset = WidgetsBinding.instance.window.viewInsets.bottom;
    final newValue = bottomInset > 0.0;
    if (_isKeyboardVisible != newValue) {
      _isKeyboardVisible = newValue;
      if (_isKeyboardVisible) {
        handlerNestedScrollViewScroll(innerOffset: 0.0,);
        print("键盘已显示");
      } else {
        WidgetsBinding.instance.removeObserver(this);
        print("键盘已隐藏");
      }
    }
  }

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final vm = ref.read(servicesVmProvider.notifier);
    final state = ref.watch(servicesVmProvider);
    final currentPageIdx = tabsRouterKey.currentState?.controller?.activeIndex ?? 0;

    useEffect(() {
      // 监听窗口
      WidgetsBinding.instance.addObserver(this);
    }, []);



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

      return (){
        Log.d("ServicesPage dispose");
        WidgetsBinding.instance.removeObserver(this);
        tabsRouterKey.currentState?.controller?.removeListener(vm.tabsRouterChange);
      };
    },[]);

    return Scaffold(
        appBar: MyAppBar.searchAppBar(
            context,
            value: vm.getCurrentQueryParams('keyword'),
            actions: [
              const MyAssetImage(
                Assets.serviceServiceScoreYes,
                width: 21.5,
                height: 21.5,
              ).onTap((){
                vm.handlerClickNavbarLikeBtn(context);
              }),
              const SizedBox(width: 15),
            ],
            backgroundColor: context.appColors.backgroundWhite,
            onSearch: (value) {
              vm.handlerSearch(value);
            }
        ),
        backgroundColor: context.appColors.backgroundDefault,
        body:  ExtendedNestedScrollView(
            key: extendedNestedScrollViewKey,
            onlyOneScrollInBody: true,
            headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
              return [
                SliverPersistentHeader(
                  delegate: CustomSliverPersistentHeaderDelegate(
                    maxHeight: 130,
                    minHeight: 130,
                    child: _buildTopSection(context, ref, vm, state),
                  ),
                  pinned: currentPageIdx !=0? true:false,
                ),
                // top 组件，转换为 Sliver 组件
                // SliverToBoxAdapter(
                //   child: _buildTopSection(context, ref, vm, state),
                // ),
              ];
            },
            body: Column(
                mainAxisSize: MainAxisSize.max,
                children: [
                  Expanded(
                      child: AutoTabsRouter.pageView(
                        key: tabsRouterKey,
                        routes: const [
                          HomeServicePageRoute(),
                          InProgressPageRoute(),
                          HistoryPageRoute(),
                        ],
                        builder: (context, child, pageController) {
                          final tabsRouter = AutoTabsRouter.of(context);
                          return Column(
                            children: [
                              Expanded(child: child),
                            ],
                          );
                        },
                      )
                  )
                ]
            )
        )
    );
  }


  Widget _buildTopSection(BuildContext context, WidgetRef ref, vm, state) {
    final topSectionsData = vm.topSectionsData;
    final currentPageIdx = tabsRouterKey.currentState?.controller?.activeIndex ?? 0;
    return Container(
      color: context.appColors.whiteBG,
      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
                    color: ColorUtils.string2Color("#F0F8FF"),
                    boxShadow: index == currentPageIdx ? [
                      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,
                    // width: 70,
                    height: 70,
                  ).onTap(() {
                    vm.handlerSwitchPageView(context, index);
                  },
                    type: ClickType.throttle,
                  ),
                ),
                SizedBox.fromSize(size: const Size(0, 9)),
                MyTextView(
                  item['title'],
                  fontSize: 15,
                  textColor: index == currentPageIdx ? ColorUtils.string2Color('#4161D0'): context.appColors.textBlack,
                  textAlign: TextAlign.center,
                  isFontMedium: true,
                ),
              ],
            ).marginOnly(left: 18, right: 18, top: 10, bottom: 10);
          }),
        ),
      ),
    );
  }
}