RSGDoctorApp/lib/widgets/shared/network_base_view.dart

import 'package:doctor_app_flutter/core/enum/viewstate.dart';
import 'package:doctor_app_flutter/core/viewModel/base_view_model.dart';
import 'package:doctor_app_flutter/widgets/shared/Text.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

import 'app_loader_widget.dart';
import 'errors/dr_app_embedded_error.dart';

class NetworkBaseView extends StatelessWidget {
  final BaseViewModel baseViewModel;
  final Widget child;

  NetworkBaseView({Key key, this.baseViewModel, this.child});

  @override
  Widget build(BuildContext context) {
    return Container(
      color: Colors.grey[100],
      child: buildBaseViewWidget(),
    );
  }

  buildBaseViewWidget() {
    switch (baseViewModel.state) {
      case ViewState.ErrorLocal:
      case ViewState.Idle:
      case ViewState.BusyLocal:
        return child;
        break;
      case ViewState.Busy:
        return AppLoaderWidget();
        break;
      case ViewState.Error:
        return Center(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              SizedBox(height: 100,),
              Image.asset('assets/images/no-data.png'),
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: Texts(baseViewModel.error??''),
              )

            ],
          ),
        );
        break;
    }
  }
}