section_page.dart
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import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:nested_scroll_views/material.dart';
import 'package:wow_english/common/core/user_util.dart';
import 'package:wow_english/common/extension/string_extension.dart';
import 'package:wow_english/models/course_unit_entity.dart';
import 'package:wow_english/pages/section/widgets/home_video_item.dart';
import 'package:wow_english/pages/section/widgets/section_bouns_item.dart';
import 'package:wow_english/pages/section/widgets/section_header_widget.dart';
import 'package:wow_english/route/route.dart';
import 'package:wow_english/utils/toast_util.dart';
import '../../models/course_section_entity.dart';
import 'bloc/section_bloc.dart';
import 'courese_module_model.dart';
/// 环节列表页
class SectionPage extends StatelessWidget {
const SectionPage(
{super.key,
required this.courseUnitEntity,
required this.courseUnitDetail});
final CourseUnitEntity courseUnitEntity;
/// unitId
final CourseUnitDetail courseUnitDetail;
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (context) => SectionBloc(courseUnitEntity, courseUnitDetail,
PageController(), ScrollController())
..add(RequestDataEvent()),
child: _SectionPageView(context),
);
}
}
class _SectionPageView extends StatelessWidget {
const _SectionPageView(this.context);
final BuildContext context;
@override
Widget build(BuildContext context) {
final bloc = BlocProvider.of<SectionBloc>(context);
return BlocListener<SectionBloc, SectionState>(
listener: (context, state) {
if (state is RequestVideoLessonState) {
final videoUrl = bloc.processEntity?.videos?.videoUrl ?? '';
var title = '';
if (state.type == 1) {
title = 'song';
}
if (state.type == 2) {
title = 'video';
}
if (state.type == 5) {
title = 'bonus';
}
if (videoUrl.isEmpty || !videoUrl.contains('http')) {
return;
}
pushNamed(AppRouteName.lookVideo, arguments: {
'videoUrl': videoUrl,
'title': title,
'courseLessonId': state.courseLessonId
}).then((value) {
if (value != null) {
Map<String, String> dataMap = value as Map<String, String>;
bloc.add(RequestExitClassEvent(
dataMap['courseLessonId']!,
'0',
dataMap['currentTime']!,
));
}
});
return;
}
if (state is RequestEnterClassState) {
if (state.courseType != 3 && state.courseType != 4) {
///视频类型
///获取视频课程内容
bloc.add(RequestVideoLessonEvent(
state.courseLessonId, state.courseType));
return;
}
if (state.courseType == 4) {
//绘本
pushNamed(AppRouteName.reading,
arguments: {'courseLessonId': state.courseLessonId})
.then((value) {
if (value != null) {
Map<String, String> dataMap = value as Map<String, String>;
bloc.add(RequestExitClassEvent(
dataMap['courseLessonId']!, dataMap['currentStep']!, '0'));
}
});
return;
}
if (state.courseType == 3) {
//练习
pushNamed(AppRouteName.topicPic,
arguments: {'courseLessonId': state.courseLessonId})
.then((value) {
if (value != null) {
Map<String, String> dataMap = value as Map<String, String>;
bloc.add(RequestExitClassEvent(
dataMap['courseLessonId']!, dataMap['currentStep']!, '0'));
}
});
return;
}
}
},
child: _sectionView(),
);
}
Widget _sectionView() =>
BlocBuilder<SectionBloc, SectionState>(builder: (context, state) {
final bloc = BlocProvider.of<SectionBloc>(context);
return Scaffold(
body: Container(
color: Colors.white,
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
SectionHeaderWidget(
title: bloc.courseUnitDetail.name,
courseModuleCode: bloc.courseUnitEntity.courseModuleCode),
Expanded(
child: Padding(
padding: EdgeInsets.symmetric(horizontal: 10.w),
child: OverflowBox(
child: NestedPageView.builder(
itemCount: bloc.unlockPageCount(),
controller: bloc.pageController,
onPageChanged: (int index) {
bloc.add(CurrentUnitIndexChangeEvent(index));
},
itemBuilder: (context, index) {
return ScrollConfiguration(
///去掉 Android 上默认的边缘拖拽效果
behavior: ScrollConfiguration.of(context)
.copyWith(overscroll: false),
child: _itemTransCard(index, context),
);
}),
), // 设置外部padding,
)),
SafeArea(
child: Padding(
padding: EdgeInsets.symmetric(horizontal: 13.w),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
SizedBox(
height: 47.h,
width: 80.w,
),
Container(
decoration: BoxDecoration(
color: CourseModuleModel(
bloc.courseUnitEntity.courseModuleCode ??
'Phase-1')
.color,
borderRadius: BorderRadius.circular(14.5.r),
),
padding: EdgeInsets.symmetric(
vertical: 8.h, horizontal: 24.w),
child: Text(
'${bloc.currentPage + 1}/${bloc.unlockPageCount()}',
style: TextStyle(
color: Colors.white, fontSize: 12.sp),
),
),
Image.asset(
CourseModuleModel(
bloc.courseUnitEntity.courseModuleCode ??
'Phase-1')
.courseModuleLogo
.assetPng,
height: 47.h,
width: 80.w,
// color: Colors.red,
),
],
),
),
)
],
),
),
),
);
});
}
Widget _itemTransCard(int index, BuildContext context) {
final bloc = BlocProvider.of<SectionBloc>(context);
return NestedListView.builder(
itemCount: bloc.courseSectionDatas?.length ?? 0,
scrollDirection: Axis.horizontal,
itemBuilder: (BuildContext context, int index) {
CourseSectionEntity sectionData = bloc.courseSectionDatas![index];
if (sectionData.courseType == 5) {
//彩蛋
return GestureDetector(
onTap: () {
if (!UserUtil.isLogined()) {
pushNamed(AppRouteName.login);
return;
}
if (sectionData.lock == true) {
showToast('当前课程暂未解锁');
return;
}
///进入课堂
bloc.add(RequestEnterClassEvent(
sectionData.id.toString(), sectionData.courseType));
},
child: SectionBoundsItem(
imageUrl: sectionData.coverUrl,
),
);
} else {
return GestureDetector(
onTap: () {
if (!UserUtil.isLogined()) {
pushNamed(AppRouteName.login);
return;
}
if (sectionData.lock == true) {
showToast('当前课程暂未解锁');
return;
}
///进入课堂
bloc.add(RequestEnterClassEvent(
sectionData.id.toString(), sectionData.courseType));
},
child: SectionVideoItem(
unitEntity: bloc.courseUnitEntity,
lessons: sectionData,
),
);
}
});
}