fcs/lib/pages/invoice/invoice_list.dart

import 'package:fcs/helpers/theme.dart';
import 'package:fcs/pages/invoice/invoice_shipment_list.dart';
import 'package:fcs/pages/invoice/model/invoice_model.dart';
import 'package:fcs/pages/widgets/local_app_bar.dart';
import 'package:fcs/pages/widgets/local_popup_menu_button.dart';
import 'package:fcs/domain/vo/local_popupmenu.dart';
import 'package:fcs/pages/widgets/local_text.dart';
import 'package:fcs/pages/widgets/progress.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import '../../domain/entities/invoice.dart';
import '../../pagination/paginator_listview.dart';
import 'invoice_list_row.dart';

class InvoiceList extends StatefulWidget {
  final bool forCustomer;

  const InvoiceList({Key? key, required this.forCustomer}) : super(key: key);
  @override
  _InvoiceListState createState() => _InvoiceListState();
}

class _InvoiceListState extends State<InvoiceList> {
  bool _isLoading = false;
  int _selectedIndex = 1;

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

  _init() {
    var model = context.read<InvoiceModel>();
    _selectedIndex = model.selectedIndex;
    model.loadPaginationInvoices(_selectedIndex, widget.forCustomer);
    if (mounted) {
      setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    var invoiceModel = Provider.of<InvoiceModel>(context);

    final popupMenu = LocalPopupMenuButton(
        popmenus: [
          LocalPopupMenu(
              id: 1,
              textKey: "invoice.popupmenu.issused",
              selected: invoiceModel.selectedIndex == 1),
          LocalPopupMenu(
              id: 2,
              textKey: "invoice.popupmenu.paid",
              selected: invoiceModel.selectedIndex == 2),
          LocalPopupMenu(
              id: 3,
              textKey: "invoice.popupmenu.cancel",
              selected: invoiceModel.selectedIndex == 3)
        ],
        popupMenuCallback: (p) {
          this.setState(() {
            _selectedIndex = p.id;
          });
          context
              .read<InvoiceModel>()
              .onChanged(_selectedIndex, widget.forCustomer);
        });

    return LocalProgress(
      inAsyncCall: _isLoading,
      child: Scaffold(
          appBar: LocalAppBar(
              labelKey: 'invoices.title', actions: <Widget>[popupMenu]),
          floatingActionButton: (widget.forCustomer)
              ? null
              : FloatingActionButton.extended(
                  onPressed: () {
                    _newInvoice();
                  },
                  icon: Icon(Icons.add),
                  label:
                      LocalText(context, 'invoices.add', color: Colors.white),
                  backgroundColor: primaryColor,
                ),
          body: PaginatorListView<Invoice>(
              paginatorListener: invoiceModel.getInvoices!,
              rowBuilder: (p) =>
                  InvoiceListRow(invoice: p, isCustomer: widget.forCustomer),
              color: primaryColor)),
    );
  }

  _newInvoice() async {
    Navigator.of(context)
        .push(CupertinoPageRoute(builder: (context) => InvoiceShipmentList()));
  }
}