fcs/lib/pages/shipment_list.dart

import 'package:fcs/model/shipment_model.dart';
import 'package:fcs/widget/bottom_up_page_route.dart';
import 'package:fcs/widget/local_text.dart';
import 'package:provider/provider.dart';
import 'package:fcs/pages/search_page.dart';
import 'package:fcs/vo/buyer.dart';
import 'package:fcs/widget/localization/app_translations.dart';

import 'package:flutter/material.dart';
import 'package:fcs/widget/progress.dart';

import '../theme/theme.dart';
import 'shipment_editor.dart';
import 'shipment_list_row.dart';

class ShipmentList extends StatefulWidget {
  @override
  _ShipmentListState createState() => _ShipmentListState();
}

class _ShipmentListState extends State<ShipmentList> {
  Buyer buyer;
  bool _isLoading = false;

  @override
  void initState() {
    super.initState();
  }

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

  @override
  Widget build(BuildContext context) {
    return LocalProgress(
      inAsyncCall: _isLoading,
      child: DefaultTabController(
        length: 3,
        child: Scaffold(
            appBar: AppBar(
              centerTitle: true,
              leading: new IconButton(
                icon: new Icon(Icons.close),
                onPressed: () => Navigator.of(context).pop(),
              ),
              backgroundColor: primaryColor,
              title: LocalText(context, 'shipment.list.title',
                  color: Colors.white, fontSize: 20),
              actions: <Widget>[
                IconButton(
                  icon: Icon(
                    Icons.search,
                    color: Colors.white,
                  ),
                  iconSize: 30,
                  onPressed: () => showPlacesSearch(context),
                ),
              ],
              bottom: TabBar(
                unselectedLabelColor: Colors.grey,
                tabs: [
                  Tab(
                    text: "Upcoming",
                  ),
                  Tab(text: "Completed"),
                  Tab(text: "Canceled"),
                ],
              ),
            ),
            floatingActionButton: FloatingActionButton.extended(
              onPressed: () {
                _newShipment();
              },
              icon: Icon(Icons.add),
              label: Text(AppTranslations.of(context).text("shipment.add")),
              backgroundColor: primaryColor,
            ),
            body: TabBarView(
              children: [_upComing(), _completed(), _canceled()],
            )),
      ),
    );
  }

  _newShipment() {
    Navigator.of(context).push(BottomUpPageRoute(ShipmentEditor()));
  }

  Widget _upComing() {
    var shipmentModel = Provider.of<ShipmentModel>(context);
    return Column(
      children: <Widget>[
        Expanded(
          child: new ListView.separated(
              separatorBuilder: (context, index) => Divider(
                    color: Colors.black,
                  ),
              scrollDirection: Axis.vertical,
              padding: EdgeInsets.only(top: 15),
              shrinkWrap: true,
              itemCount: shipmentModel.upcoming.length,
              itemBuilder: (BuildContext context, int index) {
                return ShipmentListRow(shipment: shipmentModel.upcoming[index]);
              }),
        ),
      ],
    );
  }

  Widget _completed() {
    var shipmentModel = Provider.of<ShipmentModel>(context);
    return Column(
      children: <Widget>[
        Expanded(
          child: new ListView.separated(
              separatorBuilder: (context, index) => Divider(
                    color: Colors.black,
                  ),
              scrollDirection: Axis.vertical,
              padding: EdgeInsets.only(top: 15),
              shrinkWrap: true,
              itemCount: shipmentModel.completed.length,
              itemBuilder: (BuildContext context, int index) {
                return ShipmentListRow(
                    shipment: shipmentModel.completed[index]);
              }),
        ),
      ],
    );
  }

  Widget _canceled() {
    var shipmentModel = Provider.of<ShipmentModel>(context);
    return Column(
      children: <Widget>[
        Expanded(
          child: new ListView.separated(
              separatorBuilder: (context, index) => Divider(
                    color: Colors.black,
                  ),
              scrollDirection: Axis.vertical,
              padding: EdgeInsets.only(top: 15),
              shrinkWrap: true,
              itemCount: shipmentModel.canceled.length,
              itemBuilder: (BuildContext context, int index) {
                return ShipmentListRow(shipment: shipmentModel.canceled[index]);
              }),
        ),
      ],
    );
  }
}