clean up localization

lib/pages/rates/cargo_editor.dart

@@ -2,6 +2,7 @@ import 'package:fcs/domain/entities/rate.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/localization/app_translations.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/material.dart';
 
@@ -37,6 +38,14 @@ class _CargoEditorState extends State<CargoEditor> {
 
   @override
   Widget build(BuildContext context) {
+    final typeBox = InputText(
+        labelTextKey: 'cargo.type',
+        iconData: Icons.text_format,
+        controller: _descController);
+    final rateBox = InputText(
+        labelTextKey: 'cargo.rate',
+        iconData: Icons.attach_money,
+        controller: _rateController);
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -58,10 +67,8 @@ class _CargoEditorState extends State<CargoEditor> {
               Expanded(
                 child: ListView(
                   children: <Widget>[
-                    fcsInput("Cargo Type", Icons.text_format,
-                        controller: _descController),
-                    fcsInput("Rate", Icons.attach_money,
-                        controller: _rateController),
+                    typeBox,
+                    rateBox,
                     SizedBox(height: 30),
                   ],
                 ),

lib/pages/rates/custom_editor.dart

@@ -2,6 +2,7 @@ import 'package:fcs/domain/entities/custom.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/localization/app_translations.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -38,6 +39,14 @@ class _CustomEditorState extends State<CustomEditor> {
 
   @override
   Widget build(BuildContext context) {
+    final productBox = InputText(
+        labelTextKey: 'rate.cutom.product_type',
+        iconData: FontAwesomeIcons.weightHanging,
+        controller: _productController);
+    final feeBox = InputText(
+        labelTextKey: 'rate.custom.fee',
+        iconData: Icons.attach_money,
+        controller: _feeController);
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -50,7 +59,8 @@ class _CustomEditorState extends State<CustomEditor> {
             onPressed: () => Navigator.of(context).pop(),
           ),
           backgroundColor: primaryColor,
-          title: Text(AppTranslations.of(context).text("custom.form.title")),
+          title:
+              Text(AppTranslations.of(context).text("rate.custom.form.title")),
         ),
         body: Container(
           padding: EdgeInsets.all(18),
@@ -59,10 +69,8 @@ class _CustomEditorState extends State<CustomEditor> {
               Expanded(
                 child: ListView(
                   children: <Widget>[
-                    fcsInput("Procut Type", FontAwesomeIcons.weightHanging,
-                        controller: _productController),
-                    fcsInput("Fee", Icons.attach_money,
-                        controller: _feeController),
+                    productBox,
+                    feeBox,
                     SizedBox(height: 30),
                   ],
                 ),

lib/pages/rates/discount_by_weight_editor.dart

@@ -2,6 +2,7 @@ import 'package:fcs/domain/entities/discount.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/localization/app_translations.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -38,6 +39,16 @@ class _DiscountByWeightEditorState extends State<DiscountByWeightEditor> {
 
   @override
   Widget build(BuildContext context) {
+
+     final weightBox = InputText(
+        labelTextKey: 'rate.discount.weight',
+        iconData: FontAwesomeIcons.weightHanging,
+        controller: _weightController);
+    final discountRateBox = InputText(
+        labelTextKey: 'rate.discount.rate',
+        iconData: Icons.attach_money,
+        controller: _rateController);
+
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -59,10 +70,8 @@ class _DiscountByWeightEditorState extends State<DiscountByWeightEditor> {
               Expanded(
                 child: ListView(
                   children: <Widget>[
-                    fcsInput("Weight", FontAwesomeIcons.weightHanging,
-                        controller: _weightController),
-                    fcsInput("Discount Rate", Icons.attach_money,
-                        controller: _rateController),
+                    weightBox,
+                    discountRateBox,
                     SizedBox(height: 30),
                   ],
                 ),

lib/pages/rates/shipment_rates_edit.dart

@@ -6,6 +6,7 @@ import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/localization/app_translations.dart';
 import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
 import 'package:fcs/pages/widgets/bottom_up_page_route.dart';
+import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/my_data_table.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -27,10 +28,16 @@ class ShipmentRatesEdit extends StatefulWidget {
 
 class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
   bool _isLoading = false;
+  TextEditingController _minWeight = new TextEditingController();
+  TextEditingController _deliveryFee = new TextEditingController();
+  TextEditingController _volumetricRatio = new TextEditingController();
 
   @override
   void initState() {
     super.initState();
+    _minWeight.text = "10";
+    _deliveryFee.text = "5";
+    _volumetricRatio.text = "166.36";
   }
 
   @override
@@ -42,6 +49,19 @@ class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
   Widget build(BuildContext context) {
     var shipmentRateModel = Provider.of<ShipmentRateModel>(context);
 
+    final minWigBox = InputText(
+        labelTextKey: 'rate.min_weight',
+        iconData: FontAwesomeIcons.weightHanging,
+        controller: _minWeight);
+    final feeBox = InputText(
+        labelTextKey: 'rate.delivery_fee',
+        iconData: Icons.attach_money,
+        controller: _deliveryFee);
+    final ratioBox = InputText(
+        labelTextKey: 'rate.volumetric_ratio',
+        iconData: Icons.attach_money,
+        controller: _volumetricRatio);
+
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -63,13 +83,16 @@ class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
               Expanded(
                 child: ListView(
                   children: <Widget>[
-                    fcsInput("Min Weight for Free delivery within Yangon",
-                        FontAwesomeIcons.weightHanging,
-                        value: "10"),
-                    fcsInput("Delivery fees", Icons.attach_money, value: "5"),
-                    SizedBox(height: 10),
-                    fcsInput("Volumetric Ratio", Icons.attach_money,
-                        value: "166.36"),
+                    minWigBox,
+                    feeBox,
+                    ratioBox,
+                    // fcsInput("Min Weight for Free delivery within Yangon",
+                    //     FontAwesomeIcons.weightHanging,
+                    //     value: "10"),
+                    // fcsInput("Delivery fees", Icons.attach_money, value: "5"),
+                    // SizedBox(height: 10),
+                    // fcsInput("Volumetric Ratio", Icons.attach_money,
+                    //     value: "166.36"),
                     SizedBox(height: 10),
                     ExpansionTile(
                       title: Text(