PiliPlus/lib/pages/main/view.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:hive/hive.dart';
import 'package:PiliPalaX/models/common/dynamic_badge_mode.dart';
import 'package:PiliPalaX/pages/dynamics/index.dart';
import 'package:PiliPalaX/pages/home/index.dart';
import 'package:PiliPalaX/pages/media/index.dart';
import 'package:PiliPalaX/utils/event_bus.dart';
import 'package:PiliPalaX/utils/feed_back.dart';
import 'package:PiliPalaX/utils/storage.dart';
import './controller.dart';

class MainApp extends StatefulWidget {
  const MainApp({super.key});

  @override
  State<MainApp> createState() => _MainAppState();
}

class _MainAppState extends State<MainApp> with SingleTickerProviderStateMixin {
  final MainController _mainController = Get.put(MainController());
  final HomeController _homeController = Get.put(HomeController());
  final DynamicsController _dynamicController = Get.put(DynamicsController());
  final MediaController _mediaController = Get.put(MediaController());

  int? _lastSelectTime; //上次点击时间
  Box setting = GStorage.setting;
  late bool enableMYBar;
  late bool useSideBar;

  @override
  void initState() {
    super.initState();
    _lastSelectTime = DateTime.now().millisecondsSinceEpoch;
    _mainController.pageController =
        PageController(initialPage: _mainController.selectedIndex);
    enableMYBar = setting.get(SettingBoxKey.enableMYBar, defaultValue: true);
    useSideBar = setting.get(SettingBoxKey.useSideBar, defaultValue: false);
  }

  void setIndex(int value) async {
    feedBack();
    _mainController.pageController.jumpToPage(value);
    var currentPage = _mainController.pages[value];
    if (currentPage is HomePage) {
      if (_homeController.flag) {
        // 单击返回顶部 双击并刷新
        if (DateTime.now().millisecondsSinceEpoch - _lastSelectTime! < 500) {
          _homeController.onRefresh();
        } else {
          _homeController.animateToTop();
        }
        _lastSelectTime = DateTime.now().millisecondsSinceEpoch;
      }
      _homeController.flag = true;
    } else {
      _homeController.flag = false;
    }

    // if (currentPage is RankPage) {
    //   if (_rankController.flag) {
    //     // 单击返回顶部 双击并刷新
    //     if (DateTime.now().millisecondsSinceEpoch - _lastSelectTime! < 500) {
    //       _rankController.onRefresh();
    //     } else {
    //       _rankController.animateToTop();
    //     }
    //     _lastSelectTime = DateTime.now().millisecondsSinceEpoch;
    //   }
    //   _rankController.flag = true;
    // } else {
    //   _rankController.flag = false;
    // }

    if (currentPage is DynamicsPage) {
      if (_dynamicController.flag) {
        // 单击返回顶部 双击并刷新
        if (DateTime.now().millisecondsSinceEpoch - _lastSelectTime! < 500) {
          _dynamicController.onRefresh();
        } else {
          _dynamicController.animateToTop();
        }
        _lastSelectTime = DateTime.now().millisecondsSinceEpoch;
      }
      _dynamicController.flag = true;
      _mainController.clearUnread();
    } else {
      _dynamicController.flag = false;
    }

    if (currentPage is MediaPage) {
      _mediaController.queryFavFolder();
    }
  }

  @override
  void dispose() async {
    await GStorage.close();
    EventBus().off(EventName.loginEvent);
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return PopScope(
      canPop: false,
      onPopInvoked: (bool didPop) async {
        _mainController.onBackPressed(context);
      },
      child: Scaffold(
        extendBody: true,
        body: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            if (useSideBar) ...[
              SizedBox(
                  width: context.width * 0.0387 +
                      36.801 +
                      MediaQuery.of(context).padding.left,
                  child: NavigationRail(
                    groupAlignment: 1,
                    minWidth: context.width * 0.0286 + 28.56,
                    backgroundColor: Colors.transparent,
                    selectedIndex: _mainController.selectedIndex,
                    onDestinationSelected: (value) => setIndex(value),
                    labelType: NavigationRailLabelType.none,
                    leading: UserAndSearchVertical(ctr: _homeController),
                    destinations: _mainController.navigationBars
                        .map((e) => NavigationRailDestination(
                              icon: Badge(
                                label: _mainController.dynamicBadgeType ==
                                        DynamicBadgeMode.number
                                    ? Text(e['count'].toString())
                                    : null,
                                padding:
                                    const EdgeInsets.symmetric(horizontal: 4),
                                isLabelVisible:
                                    _mainController.dynamicBadgeType !=
                                            DynamicBadgeMode.hidden &&
                                        e['count'] > 0,
                                child: e['icon'],
                                backgroundColor:
                                    Theme.of(context).colorScheme.primary,
                                textColor: Theme.of(context)
                                    .colorScheme
                                    .onInverseSurface,
                              ),
                              selectedIcon: e['selectIcon'],
                              label: Text(e['label']),
                              padding: EdgeInsets.symmetric(
                                  vertical: 0.01 * context.height),
                            ))
                        .toList(),
                    trailing: SizedBox(height: 0.1 * context.height),
                  )),
            ],
            VerticalDivider(
              width: 1,
              indent: MediaQuery.of(context).padding.top,
              endIndent: MediaQuery.of(context).padding.bottom,
              color: Theme.of(context).colorScheme.outline.withOpacity(0.06),
            ),
            Expanded(
              child: PageView(
                physics: const NeverScrollableScrollPhysics(),
                controller: _mainController.pageController,
                onPageChanged: (index) {
                  _mainController.selectedIndex = index;
                  setState(() {});
                },
                children: _mainController.pages,
              ),
            ),
            if (useSideBar) SizedBox(width: context.width * 0.004),
          ],
        ),
        bottomNavigationBar: useSideBar
            ? null
            : StreamBuilder(
                stream: _mainController.hideTabBar
                    ? _mainController.bottomBarStream.stream
                    : StreamController<bool>.broadcast().stream,
                initialData: true,
                builder: (context, AsyncSnapshot snapshot) {
                  return AnimatedSlide(
                    curve: Curves.easeInOutCubicEmphasized,
                    duration: const Duration(milliseconds: 500),
                    offset: Offset(0, snapshot.data ? 0 : 1),
                    child: enableMYBar
                        ? NavigationBar(
                            onDestinationSelected: (value) => setIndex(value),
                            selectedIndex: _mainController.selectedIndex,
                            destinations: <Widget>[
                              ..._mainController.navigationBars.map((e) {
                                return NavigationDestination(
                                  icon: Badge(
                                    label: _mainController.dynamicBadgeType ==
                                            DynamicBadgeMode.number
                                        ? Text(e['count'].toString())
                                        : null,
                                    padding:
                                        const EdgeInsets.fromLTRB(6, 0, 6, 0),
                                    isLabelVisible:
                                        _mainController.dynamicBadgeType !=
                                                DynamicBadgeMode.hidden &&
                                            e['count'] > 0,
                                    child: e['icon'],
                                    backgroundColor:
                                        Theme.of(context).colorScheme.primary,
                                    textColor: Theme.of(context)
                                        .colorScheme
                                        .onInverseSurface,
                                  ),
                                  selectedIcon: e['selectIcon'],
                                  label: e['label'],
                                );
                              }).toList(),
                            ],
                          )
                        : BottomNavigationBar(
                            currentIndex: _mainController.selectedIndex,
                            onTap: (value) => setIndex(value),
                            iconSize: 16,
                            selectedFontSize: 12,
                            unselectedFontSize: 12,
                            type: BottomNavigationBarType.fixed,
                            // selectedItemColor:
                            //     Theme.of(context).colorScheme.primary, // 选中项的颜色
                            // unselectedItemColor:
                            //     Theme.of(context).colorScheme.onSurface,
                            items: [
                              ..._mainController.navigationBars.map((e) {
                                return BottomNavigationBarItem(
                                  icon: Badge(
                                    label: _mainController.dynamicBadgeType ==
                                            DynamicBadgeMode.number
                                        ? Text(e['count'].toString())
                                        : null,
                                    padding:
                                        const EdgeInsets.fromLTRB(6, 0, 6, 0),
                                    isLabelVisible:
                                        _mainController.dynamicBadgeType !=
                                                DynamicBadgeMode.hidden &&
                                            e['count'] > 0,
                                    child: e['icon'],
                                    backgroundColor:
                                        Theme.of(context).colorScheme.primary,
                                    textColor: Theme.of(context)
                                        .colorScheme
                                        .onInverseSurface,
                                  ),
                                  activeIcon: e['selectIcon'],
                                  label: e['label'],
                                );
                              }).toList(),
                            ],
                          ),
                  );
                },
              ),
      ),
    );
  }
}