diplomatic-quarter/lib/pages/ErService/AmbulanceRequestIndexPages/AmbulanceRequestIndex.dart

import 'package:diplomaticquarterapp/core/model/er/PatientER.dart';
import 'package:diplomaticquarterapp/core/viewModels/er/am_request_view_model.dart';
import 'package:diplomaticquarterapp/pages/ErService/widgets/StepsWidget.dart';
import 'package:diplomaticquarterapp/widgets/others/app_scaffold_widget.dart';
import 'package:flutter/cupertino.dart';

import 'BillAmount.dart';
import 'PickupLocation.dart';
import 'SelectTransportationMethod.dart';
import 'Summary.dart';

class AmbulanceRequestIndexPage extends StatefulWidget {
  final AmRequestViewModel amRequestViewModel;

  AmbulanceRequestIndexPage({Key key, this.amRequestViewModel});

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

class _AmbulanceRequestIndexPageState extends State<AmbulanceRequestIndexPage> {
  int currentIndex = 0;
  PageController pageController;
  PatientER _patientER = PatientER();

  _changeCurrentTab(int tab) {
    setState(() {
      currentIndex = tab;
    });
    pageController.animateToPage(tab,
        duration: Duration(milliseconds: 800), curve: Curves.easeOutQuart);
  }

  @override
  void initState() {
    super.initState();
    pageController = new PageController();
  }

  @override
  Widget build(BuildContext context) {
    return AppScaffold(
      body: Column(
        children: [
          SizedBox(
            height: 80,
          ),
          Container(
              margin: EdgeInsets.only(left: 12, right: 12),
              child: StepsWidget(
                index: currentIndex,
                changeCurrentTab: _changeCurrentTab,
              )),
          Expanded(
            child: PageView(
              physics: NeverScrollableScrollPhysics(),
              controller: pageController,
              children: <Widget>[
                //Container(),
                SelectTransportationMethod(
                  changeCurrentTab: _changeCurrentTab,
                  patientER: _patientER,
                  amRequestViewModel: widget.amRequestViewModel,
                ),
                PickupLocation(
                  changeCurrentTab: _changeCurrentTab,
                  patientER: _patientER,
                  amRequestViewModel: widget.amRequestViewModel,
                ),
                BillAmount(
                  changeCurrentTab: _changeCurrentTab,
                  patientER: _patientER,
                  amRequestViewModel: widget.amRequestViewModel,
                ),
                Summary(
                  changeCurrentTab: _changeCurrentTab,
                  patientER: _patientER,
                  amRequestViewModel: widget.amRequestViewModel,
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}