fcs/lib/pages/invoice/invoice_cargo_table.dart

import 'package:fcs/domain/entities/cargo_type.dart';
import 'package:fcs/domain/entities/discount.dart';
import 'package:fcs/domain/entities/invoice.dart';
import 'package:fcs/domain/entities/rate.dart';
import 'package:fcs/helpers/theme.dart';
import 'package:fcs/pages/discount/discount_list.dart';
import 'package:fcs/pages/main/util.dart';
import 'package:fcs/pages/widgets/local_text.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

typedef OnDiscountSelected(Discount discount);
typedef OnDeliveryFeeSelected(bool selected);
final formatter = new NumberFormat("#,###.00");

class InvoiceCargoTable extends StatelessWidget {
  final Invoice invoice;
  final Rate rate;
  final OnDiscountSelected discountSelected;
  final OnDeliveryFeeSelected deliveryFeeSelected;

  const InvoiceCargoTable(
      {Key key,
      this.invoice,
      this.discountSelected,
      this.deliveryFeeSelected,
      this.rate})
      : super(key: key);
  @override
  Widget build(BuildContext context) {
    return Column(children: getRows(context));
  }

  getRows(BuildContext context) {
    List<CargoType> _cargoTypes = invoice.getCargoTypes(rate);
    double total = 0;
    List<Widget> dataRow = _cargoTypes.map((cargo) {
      var amount = cargo.calWeight * cargo.calRate;
      total += amount;
      return Container(
        decoration: BoxDecoration(
            border: Border(bottom: BorderSide(color: Colors.grey))),
        padding: const EdgeInsets.only(
            left: 5.0, right: 5.0, top: 15.0, bottom: 15.0),
        child: Row(
          children: [
            Expanded(flex: 2, child: Text('${cargo.name}')),
            Expanded(
                flex: 2,
                child: Text(
                    '${cargo.calWeight.toStringAsFixed(2)} x ${cargo.calRate.toStringAsFixed(2)}',
                    textAlign: TextAlign.center)),
            Expanded(
                child: Text('\$ ${amount.toStringAsFixed(2)}',
                    textAlign: TextAlign.end,
                    style: TextStyle(
                      fontSize: 15,
                      fontWeight: FontWeight.bold,
                    )))
          ],
        ),
      );
    }).toList();
    dataRow.insert(
        0,
        Container(
          padding: const EdgeInsets.only(
              left: 5.0, right: 5.0, top: 15.0, bottom: 15.0),
          decoration: BoxDecoration(
              border: Border(bottom: BorderSide(color: Colors.grey))),
          child: Row(
            children: [
              Expanded(
                  flex: 2,
                  child: Text(getLocalString(context, 'invoice.box.cargo_type'),
                      style: TextStyle(
                          fontSize: 12,
                          fontWeight: FontWeight.bold,
                          color: Colors.grey))),
              Expanded(
                  flex: 2,
                  child: Text(
                      getLocalString(context, 'cargo.weight') +
                          ' x ' +
                          getLocalString(context, 'cargo.rate'),
                      textAlign: TextAlign.center,
                      style: TextStyle(
                          fontSize: 12,
                          fontWeight: FontWeight.bold,
                          color: Colors.grey))),
              Expanded(
                  child: Text(getLocalString(context, 'invoice.amount'),
                      textAlign: TextAlign.end,
                      style: TextStyle(
                          fontSize: 12,
                          fontWeight: FontWeight.bold,
                          color: Colors.grey)))
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(
              left: 5.0, right: 5.0, top: 10.0, bottom: 10.0),
          child: Row(
            children: [
              Expanded(
                flex: 1,
                child: Container(
                  alignment: Alignment.centerRight,
                  child: LocalText(
                    context,
                    'invoice.total',
                    color: Colors.black,
                  ),
                ),
              ),
              SizedBox(width: 40),
              Expanded(
                  child: Text(
                '\$ ${total.toStringAsFixed(2)}',
                style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
                textAlign: TextAlign.end,
              ))
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(left: 5.0, right: 5.0, top: 0),
          child: Row(
            children: [
              Expanded(
                flex: 1,
                child: Container(
                  alignment: Alignment.centerRight,
                  child: LocalText(
                    context,
                    'invoice.discount_value',
                    color: Colors.black,
                  ),
                ),
              ),
              new IconButton(
                  icon: Icon(Icons.search, color: primaryColor),
                  onPressed: () async {
                    Discount discount = await Navigator.of(context).push(
                        CupertinoPageRoute(
                            builder: (context) =>
                                DiscountList(selectionMode: true)));
                    if (discountSelected != null) {
                      discountSelected(discount);
                    }
                  }),
              Expanded(
                  child:
                      Text('\$ ( ${invoice.getDiscount().toStringAsFixed(2)} )',
                          textAlign: TextAlign.end,
                          style: TextStyle(
                            fontSize: 15,
                            fontWeight: FontWeight.bold,
                          )))
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(
              left: 5.0, right: 5.0, top: 10.0, bottom: 0.0),
          child: Row(
            children: [
              Expanded(
                flex: 1,
                child: Container(
                  alignment: Alignment.centerRight,
                  child: LocalText(
                    context,
                    'invoice.custom_fee',
                    color: Colors.black,
                  ),
                ),
              ),
              SizedBox(width: 40),
              Expanded(
                child: Text('\$ ${invoice.getCustomFee().toStringAsFixed(2)}',
                    textAlign: TextAlign.end,
                    style: TextStyle(
                      fontSize: 15,
                      fontWeight: FontWeight.bold,
                    )),
              ),
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(left: 5.0, right: 5.0, top: 20.0),
          child: Row(
            children: [
              Expanded(
                flex: 1,
                child: Container(
                  alignment: Alignment.centerRight,
                  child: LocalText(
                    context,
                    'invoice.handling_fee',
                    color: Colors.black,
                  ),
                ),
              ),
              SizedBox(width: 50),
              Expanded(
                  child: Text(
                      '\$ ${invoice.getHandlingFee().toStringAsFixed(2) ?? ""}',
                      textAlign: TextAlign.end,
                      style: TextStyle(
                        fontSize: 15,
                        fontWeight: FontWeight.bold,
                      )))
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(
              left: 5.0, right: 5.0, top: 10.0, bottom: 10.0),
          child: Row(
            children: [
              Expanded(
                  flex: 1,
                  child: Container(
                    alignment: Alignment.centerRight,
                    child: LocalText(
                      context,
                      'invoice.delivery_fee',
                      color: Colors.black,
                    ),
                  )),
              Switch(
                value: (invoice.deliveryFee ?? 0) > 0,
                onChanged: (value) {
                  if (deliveryFeeSelected != null) {
                    deliveryFeeSelected(value);
                  }
                },
                activeTrackColor: primaryColor.withOpacity(0.8),
                activeColor: primaryColor,
              ),
              Expanded(
                  child:
                      Text('\$ ${invoice.getDeliveryFee().toStringAsFixed(2)}',
                          textAlign: TextAlign.end,
                          style: TextStyle(
                            fontSize: 15,
                            fontWeight: FontWeight.bold,
                          )))
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
            child: Row(
          children: [
            Expanded(child: Text('')),
            Expanded(
                flex: 2,
                child: Divider(
                  thickness: 3,
                )),
          ],
        )));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(
              left: 5.0, right: 5.0, top: 10.0, bottom: 10.0),
          child: Row(
            children: [
              Expanded(
                flex: 2,
                child: Center(
                  child: LocalText(
                    context,
                    'invoice.net_amount',
                    color: Colors.black,
                    fontSize: 15,
                    fontWeight: FontWeight.bold,
                  ),
                ),
              ),
              Expanded(
                  child: Text(
                      '\$ ${invoice.getNetAmount(rate).toStringAsFixed(2)}',
                      textAlign: TextAlign.end,
                      style: TextStyle(
                          fontSize: 18,
                          fontWeight: FontWeight.bold,
                          color: primaryColor)))
            ],
          ),
        ));

    dataRow.insert(
        dataRow.length,
        Container(
          padding: const EdgeInsets.only(
              left: 5.0, right: 5.0, top: 10.0, bottom: 10.0),
          child: Row(
            children: [
              Expanded(
                flex: 2,
                child: Center(
                  child: LocalText(
                    context,
                    'invoice.balance',
                    color: Colors.black,
                    fontSize: 15,
                    fontWeight: FontWeight.bold,
                  ),
                ),
              ),
              Expanded(
                  child: Text(
                      '\$ ${invoice.getTotalBalance(rate).toStringAsFixed(2)}',
                      textAlign: TextAlign.end,
                      style: TextStyle(
                          fontSize: 18,
                          fontWeight: FontWeight.bold,
                          color: primaryColor)))
            ],
          ),
        ));

    return dataRow;
  }
}