update shipment rate

lib/pages/shipment_rates_calculate.dart

@@ -1,7 +1,4 @@
-import 'package:fcs/model/pickup_model.dart';
 import 'package:fcs/model/shipment_rate_model.dart';
-import 'package:fcs/pages/shipment_rates_calculate.dart';
-import 'package:fcs/pages/shipment_rates_edit.dart';
 import 'package:fcs/vo/pickup.dart';
 import 'package:provider/provider.dart';
 import 'package:fcs/widget/localization/app_translations.dart';
@@ -10,7 +7,6 @@ import 'package:flutter/material.dart';
 import 'package:fcs/widget/progress.dart';
 
 import '../theme/theme.dart';
-import 'util.dart';
 
 class ShipmentRatesCal extends StatefulWidget {
   final PickUp pickUp;
@@ -31,6 +27,7 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
 
   PickUp _pickUp;
   bool _isLoading = false;
+  String cargoType;
 
   @override
   void initState() {
@@ -53,6 +50,7 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
   @override
   Widget build(BuildContext context) {
     var shipmentRateModel = Provider.of<ShipmentRateModel>(context);
+
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -70,33 +68,74 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
         body: Padding(
           padding: const EdgeInsets.all(8.0),
           child: ListView(
-            // crossAxisAlignment: CrossAxisAlignment.center,
             children: <Widget>[
               Container(
-                height: 185,
-                child: ListView.builder(
-                    itemCount: shipmentRateModel.rates.length,
-                    itemBuilder: (context, index) {
-                      return _row(
-                          shipmentRateModel.rates[index].description +
-                              "\n\$ " +
-                              shipmentRateModel.rates[index].price.toString() +
-                              " per pound",
-                          '',
-                          "",
-                          input: true);
-                    }),
+                padding: EdgeInsets.only(top: 5, left: 25),
+                child: Row(
+                  children: <Widget>[
+                    Expanded(
+                        child:
+                            Text('Cargo Type', style: TextStyle(fontSize: 15))),
+                    Container(
+                      width: 150.0,
+                      child: DropdownButtonFormField(
+                        decoration: InputDecoration(
+                            fillColor: Colors.white,
+                            hintText: shipmentRateModel.rates[0].description,
+                            hintStyle: TextStyle(color: Colors.black87)),
+                        items: shipmentRateModel.rates
+                            .map((e) => DropdownMenuItem(
+                                child: Text(e.description),
+                                value: e.description))
+                            .toList(),
+                        onChanged: (selected) => {
+                          setState(() {
+                            cargoType = selected;
+                          })
+                        },
+                      ),
+                    ),
+                  ],
+                ),
               ),
+              _row('Width (inches)', "", "", "10", input: true),
+              _row('Height', "", "", "10", input: true),
+              _row('Length', "", "", "10", input: true),
+              Container(
+                  padding: EdgeInsets.only(left: 25, top: 15, bottom: 5),
+                  child: Row(
+                    children: <Widget>[
+                      Text('Shipment Weight', style: TextStyle(fontSize: 15)),
+                      Spacer(),
+                      Column(
+                        crossAxisAlignment: CrossAxisAlignment.end,
+                        children: <Widget>[
+                          Padding(
+                            padding: const EdgeInsets.only(bottom: 3.0),
+                            child: Text(
+                              '6',
+                              style:
+                                  TextStyle(color: primaryColor, fontSize: 16),
+                            ),
+                          ),
+                          Text(
+                            'pounds',
+                            style: TextStyle(color: Colors.grey, fontSize: 16),
+                          ),
+                        ],
+                      ),
+                    ],
+                  )),
               SizedBox(height: 50),
               Center(
                   child: Text(
-                "Delivery fee:\$ 0",
+                "Delivery fee:\$ 5",
                 style: TextStyle(color: primaryColor, fontSize: 16),
               )),
               SizedBox(height: 20),
               Center(
                   child: Text(
-                "Total estimated amount:\$ 95",
+                "Total estimated amount:\$ 41",
                 style: TextStyle(color: primaryColor, fontSize: 20),
               ))
             ],
@@ -106,7 +145,7 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
     );
   }
 
-  _row(String desc, String price, String unit, {bool input}) {
+  _row(String desc, String price, String unit, String value, {bool input}) {
     return Container(
         padding: EdgeInsets.only(left: 25, top: 5, bottom: 5),
         child: Row(
@@ -134,8 +173,9 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
               width: 50,
             ),
             Container(
-                width: 70,
-                child: TextField(
+                width: 150,
+                child: TextFormField(
+                  initialValue: value,
                   textAlign: TextAlign.end,
                 )),
           ],