Dashboard

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:options_x_ray_informer/BLOCs/DashBLOC.dart';
import 'package:options_x_ray_informer/BLOCs/events/UIRequests.dart';
import 'package:options_x_ray_informer/BLOCs/states/ViewDataStates.dart';
import 'package:options_x_ray_informer/model/network/Connection.dart';
import 'package:options_x_ray_informer/view/Details.dart';
import 'package:options_x_ray_informer/view/Widgets/DashboardCardWidget.dart';

class Dashboard extends StatefulWidget{

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

class _DashboardState extends State<Dashboard> {
  final DashBLOC _bloc = new DashBLOC(Connection.instance);
  _DashboardState(){
    _bloc.dispatch(new UpdateRequest());
  }

  @override
  Widget build(BuildContext context) {
    double pyxelRatio = MediaQuery.of(context).devicePixelRatio;
    double width = MediaQuery.of(context).size.width * pyxelRatio;

    return BlocProvider(
      bloc: _bloc,
        child: BlocBuilder<Request, DataState>(
        bloc: _bloc,
        builder: (context, state) {
          if (state is EmptyDataState) {
            print("Uninit");
            return Center(
              child: CircularProgressIndicator(),
            );
          }
          if (state is ErrorDataState) {
            print("Error");
            return Center(
              child: Text('Something went wrong..'),
            );
          }
          if (state is LoadedDataState) {
            print("empty: ${state.contracts.isEmpty}");
            if (state.contracts.isEmpty) {
              return Center(
                child: Text('Nothing here!'),
              );
            } else{
              print("items count: ${state.contracts.length}");
              print("-------");
              for(int i = 0; i < state.contracts.length; i++){
                if(state.contracts[i].isFavorite)print("fut:${state.contracts[i].name} id:${state.contracts[i].id}");
              }
              print("--------");

              List<Widget> testList = new List<Widget>();
              for(int i = 0; i < state.contracts.length; i++){
                if(state.contracts[i].isFavorite) testList.add(
                  InkResponse(
                  enableFeedback: true,
                  onLongPress: (){
                    showShortToast();
                    DashBLOC dashBloc = BlocProvider.of<DashBLOC>(context);
                    dashBloc.dispatch(new UnfavRequest(state.contracts[i].id));
                  },
                  onTap: onTap,
                  child:DashboardCardWidget(state.contracts[i])
                  )
              );
              }
              return GridView.count(
                  crossAxisCount: width >= 900 ? 2 : 1,
                  padding: const EdgeInsets.all(2.0),
                  children: testList
              );
            }
          }
      })
    );
  }

  void onTap(){
    Navigator.push(context, new MaterialPageRoute(
      builder: (context) =>
          DetailsScreen())
    );
  }

  void showShortToast() {
  Fluttertoast.showToast(
        gravity: ToastGravity.BOTTOM,
        fontSize: 14,
        msg: "Fav removed",
        toastLength: Toast.LENGTH_SHORT,
        backgroundColor: Colors.black12,
        timeInSecForIos: 1);
  }

  @override
  void dispose() {
    _bloc.dispose();
    super.dispose();
  }
}