liangchengyou / wow_english

  import 'package:flutter/material.dart';
  import 'package:flutter_bloc/flutter_bloc.dart';
  import 'package:flutter_screenutil/flutter_screenutil.dart';
  import 'package:wow_english/common/extension/string_extension.dart';
  import 'package:wow_english/pages/user/bloc/user_bloc.dart';
  

  import '../courese_module_model.dart';

  /// 环节（课程）列表页标题栏

  class SectionHeaderWidget extends StatelessWidget {

    const SectionHeaderWidget(
        {super.key, this.title, this.courseModuleCode, this.onBack});

    final String? title;
  
    final String? courseModuleCode;

    final VoidCallback? onBack;
  

    @override
    Widget build(BuildContext context) {
      return BlocBuilder<UserBloc, UserState>(
        builder: (context, state) {
          return Container(
              height: 45,
              width: double.infinity,

              color: CourseModuleModel(courseModuleCode ?? 'Phase-1').color,

              padding: EdgeInsets.symmetric(horizontal: 9.5.w),
              child: Row(
                children: [
                  ScreenUtil().bottomBarHeight.horizontalSpace,
                  GestureDetector(
                    onTap: () {

                      if (onBack == null) {
                        Navigator.pop(context);
                      } else {
                        onBack!();
                      }

                    },
                    child: Container(
                      alignment: Alignment.center,
                      child: Image.asset(
                        'back_around'.assetPng,
                        height: 40.h,
                        width: 40.w,
                      ),
                    ),
                  ),
                  20.horizontalSpace,
                  Expanded(

                      child: Text(
                    title ??
                        CourseModuleModel(courseModuleCode ?? 'Phase-1')
                            .courseModuleTitle,

                    textAlign: TextAlign.left,
                    style: const TextStyle(color: Colors.white, fontSize: 30.0),
                  )),
                  ScreenUtil().bottomBarHeight.horizontalSpace,
                ],
              ));
        },
      );
    }
  }