RSGDoctorApp/lib/screens/live_care/TestScreen.dart

import 'package:doctor_app_flutter/config/size_config.dart';
import 'package:doctor_app_flutter/core/model/live_care/AlternativeServicesList.dart';
import 'package:doctor_app_flutter/core/viewModel/LiveCarePatientViewModel.dart';
import 'package:doctor_app_flutter/screens/base/base_view.dart';
import 'package:doctor_app_flutter/util/translations_delegate_base.dart';
import 'package:doctor_app_flutter/widgets/shared/app_scaffold_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/buttons/app_buttons_widget.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class TestScreen extends StatefulWidget {
  @override
  _TestScreenState createState() => _TestScreenState();
}

class _TestScreenState extends State<TestScreen> {
  @override
  Widget build(BuildContext context) {
    return BaseView<LiveCarePatientViewModel>(
      onModelReady: (model) => model.setDemoData(),
      builder: (_, model, w) => AppScaffold(
        baseViewModel: model,
        appBarTitle: TranslationBase.of(context).patientProfile,
        backgroundColor: Theme.of(context).scaffoldBackgroundColor,
        isShowAppBar: false,
        body: Container(
          child: Center(
            child: AppButton(
              fontWeight: FontWeight.w700,
              color: Colors.red[600],
              title: "open dialog", //TranslationBase.of(context).close,
              onPressed: () {
                showAlternativesDialog(context, model, () {
                  model.alternativeServicesList.map((e) => () {
                        if (e.isSelected) {
                          print(e.serviceName);
                        }
                      });
                  Navigator.of(context).pop();
                });
              },
            ),
          ),
        ),
      ),
    );
  }

  showAlternativesDialog(BuildContext context, LiveCarePatientViewModel model, Function okFunction) {
    return showDialog(
        context: context,
        barrierDismissible: false, // user must tap button!
        builder: (_) {
          return Container(
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                AlertDialog(
                  title: null,
                  content: Container(
                    height: MediaQuery.of(context).size.height / 2,
                    child: CheckBoxListWidget(model: model,),
                  ),
                  actions: [
                    AppButton(
                      onPressed: (){
                        okFunction();
                      },
                      title: TranslationBase.of(context).noteConfirm,
                      fontColor: Colors.white,
                      color: Colors.green[600],
                    ),
                    AppButton(
                      onPressed: () {
                        Navigator.of(context).pop();
                      },
                      title: TranslationBase.of(context).cancel,
                      fontColor: Colors.white,
                      color: Colors.red[600],
                    ),
                  ],
                ),
              ],
            ),
          );
        });
  }
}

class CheckBoxListWidget extends StatefulWidget {
  final LiveCarePatientViewModel model;
  const CheckBoxListWidget({
    Key key, this.model,
  }) : super(key: key);

  @override
  _CheckBoxListState createState() => _CheckBoxListState();
}

class _CheckBoxListState extends State<CheckBoxListWidget> {
  @override
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      child: Column(
        children: [
          ...widget.model
              .alternativeServicesList
              .map(
                (element) => Container(
                  child: CheckboxListTile(
                    title: AppText(
                      element.serviceName,
                      fontWeight: FontWeight.normal,
                      fontSize: SizeConfig.textMultiplier * 2.2,
                    ),
                    value: element.isSelected,
                    onChanged: (newValue) {
                      setState(() {
                        widget.model.setSelected(
                            element, newValue);
                      });
                    },
                    activeColor: Color(0xFFD02127),
                    controlAffinity:
                        ListTileControlAffinity.leading,
                    contentPadding: EdgeInsets.all(0),
                  ),
                ),
              )
              .toList()
        ],
      ),
    );
  }
}