aman-satu-flutter/lib/widgets/drawer/app_drawer.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_redux/flutter_redux.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_svg/svg.dart';
import 'package:satu/core/redux/actions/nav_actions.dart';
import 'package:satu/core/redux/actions/user_actions.dart';
import 'package:satu/core/redux/state/user_state.dart';
import 'package:satu/core/redux/store.dart';

import 'package:satu/shared/app_colors.dart';
import 'package:satu/shared/ui_helpers.dart';
import 'package:satu/views/dictionaries/category/category_view.dart';
import 'package:satu/views/dictionaries/goods/goods_view.dart';
import 'package:satu/views/settings/setting_view.dart';
import 'package:satu/views/work/work_view.dart';

class AppDrawer extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Drawer(
      child: Container(
        decoration: const BoxDecoration(color: backgroundColor),
        child: ListView(
          padding: EdgeInsets.zero,
          children: <Widget>[
            _createHeader(),
            _createDrawerSectionTitle(text: 'ОСНОВНОЙ РАЗДЕЛ'),
            _createDrawerItem(
                svgFile: 'sell',
                text: 'Касса',
                onTap: () {
                  Navigator.of(context).pop();
                  Redux.store!.dispatch(navigateDrawer(WorkView));
                }),
            _createDrawerItem(
                svgFile: 'inventarization',
                text: 'Инвентаризация',
                disable: true),
            _createDrawerSectionTitle(text: 'СПРАВОЧНИКИ'),
            _createDrawerItem(
                svgFile: 'categories',
                text: 'Категории',
                onTap: () {
                  Navigator.of(context).pop();
                  Redux.store!.dispatch(navigateDrawer(CategoryDictionaryView));
                }),
            _createDrawerItem(
                svgFile: 'goods',
                text: 'Товары',
                onTap: () {
                  Navigator.of(context).pop();
                  Redux.store!.dispatch(navigateDrawer(GoodsDictionaryView));
                }),
            _createDrawerItem(
                svgFile: 'contragents', text: 'Контрагенты', disable: true),
            _createDrawerSectionTitle(text: 'ИНФОРМАЦИЯ'),
            _createDrawerItem(
                svgFile: 'question', text: 'Справочник', disable: true),
            _createDrawerSectionTitle(text: 'ПРОЧЕЕ'),
            _createDrawerItem(
                svgFile: 'settings',
                text: 'Настройки',
                onTap: () {
                  Navigator.of(context).pop();
                  Redux.store!.dispatch(navigateDrawer(SettingsView));
                }),
            _createDrawerItem(
                svgFile: 'global', text: 'Перейти на сайт', disable: true),
            _createDrawerItem(
                svgFile: 'bug', text: 'Сообщить об ошибке', disable: true),
            _createDrawerItem(
                svgFile: 'logout',
                text: 'Выйти из аккаунта',
                isDanger: true,
                onTap: () async {
                  Redux.store!.dispatch(logout);
                }),
            _createDrawerSectionTitle(text: ''),
          ],
        ),
      ),
    );
  }

  Widget _createHeader() {
    return SizedBox(
      height: 180.h,
      child: DrawerHeader(
          margin: EdgeInsets.zero,
          padding: EdgeInsets.zero,
          decoration: const BoxDecoration(
              image: DecorationImage(
                  fit: BoxFit.cover,
                  image: AssetImage('assets/images/drawer/background.png'))),
          child: Stack(children: <Widget>[
            Positioned(
                bottom: 12.0,
                left: 16.0,
                child: Row(
                  children: [
                    SizedBox(
                      height: 40,
                      width: 40,
                      child: Container(
                          decoration: const BoxDecoration(
                              image: DecorationImage(
                                  fit: BoxFit.cover,
                                  image: AssetImage(
                                      'assets/images/drawer/user.png')))),
                    ),
                    horizontalSpaceSmall,
                    StoreConnector<AppState, UserState>(
                        converter: (store) => store.state.userState!,
                        builder: (context, snapshot) {
                          return Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Text(snapshot.auth?.username ?? '',
                                  style: TextStyle(fontSize: 16.0)),
                              Text('Продавец', style: TextStyle(fontSize: 12)),
                            ],
                          );
                        }),
                  ],
                )),
          ])),
    );
  }

  Widget _createDrawerItem(
      {required String text,
      IconData? icon,
      String? svgFile,
      GestureTapCallback? onTap,
      bool isDanger = false,
      bool disable = false}) {
    return Container(
      decoration: const BoxDecoration(color: whiteColor),
      child: Material(
        color: Colors.transparent,
        child: InkWell(
          onTap: onTap,
          child: Padding(
            padding:
                const EdgeInsets.symmetric(vertical: 15.0, horizontal: 20.0),
            child: Row(
              children: <Widget>[
                if (svgFile != null)
                  SvgPicture.asset(
                    'assets/images/svg/$svgFile.svg',
                    height: 20,
                    width: 20,
                    color: disable
                        ? disableColor
                        : isDanger
                            ? dangerColor
                            : textColor,
                  ),
                if (icon != null)
                  Icon(
                    icon,
                    size: 20.0,
                    color: disable
                        ? disableColor
                        : isDanger
                            ? dangerColor
                            : textColor,
                  ),
                Padding(
                  padding: const EdgeInsets.only(left: 8.0),
                  child: Text(
                    text,
                    style: TextStyle(
                        fontSize: 14.0,
                        color: disable
                            ? disableColor
                            : isDanger
                                ? dangerColor
                                : textColor),
                  ),
                )
              ],
            ),
          ),
        ),
      ),
    );
  }

  Widget _createDrawerSectionTitle({required String text}) {
    return Padding(
        padding: const EdgeInsets.all(20.0),
        child: Text(
          text,
          style: const TextStyle(fontSize: 10.0, color: placeholderColor),
        ));
  }
}