120 lines
3.9 KiB
Dart
120 lines
3.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:stacked/stacked.dart';
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import 'package:yimaru_app/models/course.dart';
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import 'package:yimaru_app/models/course_lesson.dart';
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import 'package:yimaru_app/ui/widgets/course_lesson_tile.dart';
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import '../../common/app_colors.dart';
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import '../../common/enmus.dart';
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import '../../common/ui_helpers.dart';
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import '../../widgets/custom_circular_progress_indicator.dart';
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import '../../widgets/small_app_bar.dart';
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import 'course_lesson_viewmodel.dart';
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class CourseLessonView extends StackedView<CourseLessonViewModel> {
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final Course course;
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const CourseLessonView({Key? key, required this.course}) : super(key: key);
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@override
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void onViewModelReady(CourseLessonViewModel viewModel) async {
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await viewModel.getCourseLessons(course.id ?? 0);
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super.onViewModelReady(viewModel);
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}
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@override
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CourseLessonViewModel viewModelBuilder(BuildContext context) =>
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CourseLessonViewModel();
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@override
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Widget builder(
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BuildContext context,
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CourseLessonViewModel viewModel,
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Widget? child,
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) =>
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_buildScaffoldWrapper(viewModel);
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Widget _buildScaffoldWrapper(CourseLessonViewModel viewModel) => Scaffold(
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backgroundColor: kcBackgroundColor,
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body: _buildScaffold(viewModel),
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);
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Widget _buildScaffold(CourseLessonViewModel viewModel) =>
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SafeArea(child: _buildBody(viewModel));
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Widget _buildBody(CourseLessonViewModel viewModel) => Padding(
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padding: const EdgeInsets.symmetric(horizontal: 15),
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child: _buildColumn(viewModel),
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);
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Widget _buildColumn(CourseLessonViewModel viewModel) => Column(
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children: [
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verticalSpaceMedium,
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_buildAppBar(viewModel),
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verticalSpaceMedium,
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_buildLessonColumnWrapper(viewModel),
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],
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);
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Widget _buildAppBar(CourseLessonViewModel viewModel) => SmallAppBar(
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onPop: viewModel.pop,
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showBackButton: true,
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title: 'Course Detail',
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);
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Widget _buildLessonColumnWrapper(CourseLessonViewModel viewModel) =>
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Expanded(child: _buildLessonColumnScrollView(viewModel));
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Widget _buildLessonColumnScrollView(CourseLessonViewModel viewModel) =>
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SingleChildScrollView(
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child: _buildLessonColumn(viewModel),
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);
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Widget _buildLessonColumn(CourseLessonViewModel viewModel) => Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: _buildLessonColumnChildren(viewModel),
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);
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List<Widget> _buildLessonColumnChildren(CourseLessonViewModel viewModel) =>
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[_buildTitle(), verticalSpaceMedium, _buildListViewBuilder(viewModel)];
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Widget _buildTitle() => Text(
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'${course.title} course lessons',
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style: style18DG700,
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textAlign: TextAlign.center,
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);
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Widget _buildListViewBuilder(CourseLessonViewModel viewModel) =>
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viewModel.busy(StateObjects.courseLessons)
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? _buildProgressIndicator()
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: _buildListView(viewModel);
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Widget _buildProgressIndicator() => const Center(
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child: CustomCircularProgressIndicator(color: kcPrimaryColor),
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);
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Widget _buildListView(CourseLessonViewModel viewModel) => ListView.builder(
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shrinkWrap: true,
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itemCount: viewModel.courseLessons.length,
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physics: const NeverScrollableScrollPhysics(),
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itemBuilder: (context, index) => _buildTile(
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lesson: viewModel.courseLessons[index],
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onPracticeTap: () async =>
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await viewModel.navigateToCoursePractice(course.id ?? 0),
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onVideoTap: () async => await viewModel
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.navigateToCourseLessonDetail(viewModel.courseLessons[index])),
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);
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Widget _buildTile({
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required CourseLesson lesson,
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required GestureTapCallback onVideoTap,
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required GestureTapCallback onPracticeTap,
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}) =>
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CourseLessonTile(
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lesson: lesson,
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onVideoTap: onVideoTap,
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onPracticeTap: onPracticeTap,
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);
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}
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