update carton and cargo type

lib/pages/rates/shipment_rates_calculate.dart

@@ -11,23 +11,24 @@ import 'package:fcs/pages/widgets/local_dropdown.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_icons_null_safety/flutter_icons_null_safety.dart';
+import 'package:flutter_vector_icons/flutter_vector_icons.dart';
+
 import 'package:provider/provider.dart';
 
 class ShipmentRatesCal extends StatefulWidget {
-  ShipmentRatesCal();
+  const ShipmentRatesCal({super.key});
 
   @override
   _ShipmentRatesCalState createState() => _ShipmentRatesCalState();
 }
 
 class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
-  bool _isLoading = false;
+  bool isLoading = false;
   late CargoType _cargoType;
-  TextEditingController _widthController = new TextEditingController();
-  TextEditingController _heightController = new TextEditingController();
-  TextEditingController _lengthController = new TextEditingController();
-  TextEditingController _actualWeightCtl = new TextEditingController();
+  TextEditingController widthController = TextEditingController();
+  TextEditingController heightController = TextEditingController();
+  TextEditingController lengthController = TextEditingController();
+  TextEditingController actualWeightCtl = TextEditingController();
   double _shipmentWeight = 0;
   double _amount = 0;
   double _deliveryFee = 0;
@@ -38,25 +39,25 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
 
     //for shipment weight
     Rate rate = Provider.of<ShipmentRateModel>(context, listen: false).rate;
-    _lengthController.addListener(_calShipmentWeight);
-    _widthController.addListener(_calShipmentWeight);
-    _heightController.addListener(_calShipmentWeight);
-    _actualWeightCtl.addListener(_calShipmentWeight);
+    lengthController.addListener(_calShipmentWeight);
+    widthController.addListener(_calShipmentWeight);
+    heightController.addListener(_calShipmentWeight);
+    actualWeightCtl.addListener(_calShipmentWeight);
     _cargoType = rate.defaultCargoType;
-    _lengthController.text = '12';
-    _widthController.text = '12';
-    _heightController.text = '12';
-    _actualWeightCtl.text = "10.00";
+    lengthController.text = '12';
+    widthController.text = '12';
+    heightController.text = '12';
+    actualWeightCtl.text = "10.00";
     _calShipmentWeight();
   }
 
   _calShipmentWeight() {
     Rate rate = Provider.of<ShipmentRateModel>(context, listen: false).rate;
 
-    double l = double.tryParse(_lengthController.text) ?? 0;
-    double w = double.tryParse(_widthController.text) ?? 0;
-    double h = double.tryParse(_heightController.text) ?? 0;
-    _cargoType.weight = double.tryParse(_actualWeightCtl.text) ?? 0;
+    double l = double.tryParse(lengthController.text) ?? 0;
+    double w = double.tryParse(widthController.text) ?? 0;
+    double h = double.tryParse(heightController.text) ?? 0;
+    _cargoType.weight = double.tryParse(actualWeightCtl.text) ?? 0;
     Carton box =
         Carton(cargoTypes: [_cargoType], length: l, width: w, height: h);
     var amount = box.calAmount(rate);
@@ -83,15 +84,15 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
     List<CargoType> cargos = shipmentRateModel.rate.cargoTypes;
 
     final lengthBox = LengthPicker(
-      controller: _lengthController,
+      controller: lengthController,
       lableKey: "box.length",
     );
     final widthBox = LengthPicker(
-      controller: _widthController,
+      controller: widthController,
       lableKey: "box.width",
     );
     final heightBox = LengthPicker(
-      controller: _heightController,
+      controller: heightController,
       lableKey: "box.height",
     );
 
@@ -102,9 +103,9 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
           padding: const EdgeInsets.only(right: 8.0),
           child: Icon(FontAwesome.arrow_circle_right, color: primaryColor),
         ),
-        SizedBox(child: lengthBox, width: 80),
-        SizedBox(child: widthBox, width: 80),
-        SizedBox(child: heightBox, width: 80),
+        SizedBox(width: 80, child: lengthBox),
+        SizedBox(width: 80, child: widthBox),
+        SizedBox(width: 80, child: heightBox),
       ],
     );
 
@@ -115,7 +116,7 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
     );
 
     final actualWeightBox = InputText(
-      controller: _actualWeightCtl,
+      controller: actualWeightCtl,
       labelTextKey: "box.actual_weight",
       iconData: MaterialCommunityIcons.weight,
       textInputType: TextInputType.numberWithOptions(decimal: true),
@@ -129,13 +130,13 @@ class _ShipmentRatesCalState extends State<ShipmentRatesCal> {
         });
       },
       labelKey: "cargo.type",
-      iconData: Icons.text_format,
+      iconData: Ionicons.text,
       selectedValue: _cargoType,
       values: cargos,
     );
 
     return LocalProgress(
-      inAsyncCall: _isLoading,
+      inAsyncCall: isLoading,
       child: Scaffold(
         appBar: LocalAppBar(
             labelKey: "rate.cal.title",