Yimaru-Mobile/lib/ui/views/course_unit/course_unit_view.dart

155 lines
4.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:stacked/stacked.dart';
import 'package:yimaru_app/models/course_catalog.dart';
import 'package:yimaru_app/ui/widgets/course_unit_tile.dart';
import '../../../models/course_unit.dart';
import '../../common/app_colors.dart';
import '../../common/enmus.dart';
import '../../common/ui_helpers.dart';
import '../../widgets/course_module_banner.dart';
import '../../widgets/custom_circular_progress_indicator.dart';
import '../../widgets/custom_elevated_button.dart';
import '../../widgets/overall_progress.dart';
import '../../widgets/small_app_bar.dart';
import 'course_unit_viewmodel.dart';
class CourseUnitView extends StackedView<CourseUnitViewModel> {
final CourseCatalog catalog;
const CourseUnitView({Key? key, required this.catalog}) : super(key: key);
@override
void onViewModelReady(CourseUnitViewModel viewModel) async {
await viewModel.getCourseUnits(catalog.id ?? 0);
super.onViewModelReady(viewModel);
}
@override
CourseUnitViewModel viewModelBuilder(BuildContext context) =>
CourseUnitViewModel();
@override
Widget builder(
BuildContext context,
CourseUnitViewModel viewModel,
Widget? child,
) =>
_buildScaffoldWrapper(viewModel);
Widget _buildScaffoldWrapper(CourseUnitViewModel viewModel) => Scaffold(
backgroundColor: kcBackgroundColor,
body: _buildScaffoldContainer(viewModel),
);
Widget _buildScaffoldContainer(CourseUnitViewModel viewModel) => Container(
decoration: bgDecoration,
child: _buildScaffold(viewModel),
);
Widget _buildScaffold(CourseUnitViewModel viewModel) =>
SafeArea(child: _buildBody(viewModel));
Widget _buildBody(CourseUnitViewModel viewModel) => Padding(
padding: const EdgeInsets.symmetric(horizontal: 15),
child: _buildColumn(viewModel),
);
Widget _buildColumn(CourseUnitViewModel viewModel) => Column(
children: [
verticalSpaceMedium,
_buildAppBar(viewModel),
verticalSpaceMedium,
_buildModulesColumnWrapper(viewModel),
],
);
Widget _buildAppBar(CourseUnitViewModel viewModel) => SmallAppBar(
onPop: viewModel.pop,
showBackButton: true,
title: 'Course Detail',
);
Widget _buildModulesColumnWrapper(CourseUnitViewModel viewModel) =>
Expanded(child: _buildLevelsColumnScrollView(viewModel));
Widget _buildLevelsColumnScrollView(CourseUnitViewModel viewModel) =>
SingleChildScrollView(
child: _buildLevelsColumn(viewModel),
);
Widget _buildLevelsColumn(CourseUnitViewModel viewModel) => Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.center,
children: _buildLevelsColumnChildren(viewModel),
);
List<Widget> _buildLevelsColumnChildren(CourseUnitViewModel viewModel) => [
verticalSpaceMedium,
_buildTitle(),
verticalSpaceMedium,
_buildCourseModuleBanner(),
verticalSpaceMedium,
_buildOverallProgress(),
verticalSpaceTiny,
_buildContinueButton(viewModel),
verticalSpaceMedium,
_buildListViewBuilder(viewModel)
];
Widget _buildTitle() => Text(
catalog.name ?? '',
style: style25DG600,
);
Widget _buildCourseModuleBanner() => const CourseModuleBanner();
Widget _buildOverallProgress() => const OverallProgress(
progress: 0,
backgroundColor: Colors.transparent,
indicatorBackgroundColor: kcVeryLightGrey,
);
Widget _buildContinueButton(CourseUnitViewModel viewModel) =>
const CustomElevatedButton(
height: 55,
borderRadius: 12,
foregroundColor: kcWhite,
text: 'Continue Course',
backgroundColor: kcPrimaryColor);
Widget _buildListViewBuilder(CourseUnitViewModel viewModel) =>
viewModel.busy(StateObjects.courseUnits)
? _buildProgressIndicator()
: _buildListView(viewModel);
Widget _buildProgressIndicator() => const Center(
child: CustomCircularProgressIndicator(color: kcPrimaryColor),
);
Widget _buildListView(CourseUnitViewModel viewModel) => ListView.builder(
shrinkWrap: true,
itemCount: viewModel.units.length,
physics: const NeverScrollableScrollPhysics(),
itemBuilder: (context, index) => _buildTile(
index: index,
unit: viewModel.units[index],
onPracticeTap: () {},
onViewTap: () {}),
);
Widget _buildTile({
required int index,
required CourseUnit unit,
required GestureTapCallback onViewTap,
required GestureTapCallback onPracticeTap,
}) =>
CourseUnitTile(
unit: unit,
index: index,
catalog: catalog,
onLessonTap: onViewTap,
onPracticeTap: onPracticeTap,
);
}