validate supply form when editting

lib/presentation/screens/actions/nursery/widget_worker.dart

 import 'package:farm_tpf/custom_model/action_form/RequestActivity.dart';
 import 'package:farm_tpf/presentation/custom_widgets/widget_utils.dart';
+import 'package:farm_tpf/presentation/screens/actions/controller/ChangeFieldInForm.dart';
 import 'package:farm_tpf/presentation/screens/actions/controller/ChangeWorker.dart';
 import 'package:farm_tpf/utils/const_string.dart';
 import 'package:farm_tpf/utils/validators.dart';
   TextEditingController _workerNameController = TextEditingController();
   TextEditingController _trayNumberController = TextEditingController();
   ChangeWorker controller;
+  final changeFormField = Get.put(ChangeFieldFormSupply());
   @override
   void initState() {
     super.initState();
     controller = Get.put(ChangeWorker());
     controller.init([]);
+    changeFormField.init();
   }
 
   Widget _buildListWorker() {
                           value, label_validate_input_empty);
                     },
                     onSaved: (newValue) {},
+                    onChanged: (value) {
+                      if (!Validators.stringNotNullOrEmpty(value)) {
+                        changeFormField.change(false);
+                      } else {
+                        changeFormField.change(true);
+                      }
+                    },
                   ),
                   TextFormField(
                     keyboardType: TextInputType.text,
                     controller: _trayNumberController,
                     decoration: InputDecoration(labelText: "Ươm khây số"),
                     onSaved: (newValue) {},
+                    onChanged: (value) {
+                      if (!Validators.stringNotNullOrEmpty(value)) {
+                        changeFormField.change(false);
+                      } else {
+                        changeFormField.change(true);
+                      }
+                    },
                   ),
                 ],
               ),
                         controller.addNurseryDetail(_nurseryDetail);
                         _workerNameController.clear();
                         _trayNumberController.clear();
+                        changeFormField.change(false);
                       } else {
                         Utils.showSnackBarWarning(
                             message: "Vui lòng nhập tên công nhân");

lib/presentation/screens/actions/sc_action.dart

 import 'package:keyboard_dismisser/keyboard_dismisser.dart';
 import 'package:farm_tpf/utils/formatter.dart';
 
+import 'controller/ChangeFieldInForm.dart';
 import 'controller/ChangeSupplyUsing.dart';
 import 'controller/ChangeWorker.dart';
 import 'dung/widget_dung_supply.dart';
     changeFileController.initValue();
   }
 
+  _submitForm() async {
+    switch (widget.activityType) {
+      case 'ACTIVE_TYPE_NURSERY':
+        if (Get.find<ChangeFieldFormSupply>().isChanged) {
+          Utils.showDialog(
+              title: 'Thông tin người thực hiện chưa cập nhật',
+              message: 'Bạn có muốn cập nhật',
+              textConfirm: 'Tiếp tục',
+              textCancel: 'Xem lại',
+              onConfirm: () {
+                Get.back();
+                _validateInputs();
+              });
+        } else {
+          _validateInputs();
+        }
+        break;
+      case 'ACTIVE_TYPE_PLANTING':
+      case 'ACTIVE_TYPE_FERTILIZE':
+      case 'ACTIVE_TYPE_SPRAYING_PESTICIDES':
+        if (Get.find<ChangeFieldFormSupply>().isChanged) {
+          Utils.showDialogConfirmSupply(onConfirm: () {
+            Get.back();
+            _validateInputs();
+          });
+        } else {
+          _validateInputs();
+        }
+        break;
+      default:
+        _validateInputs();
+        break;
+    }
+  }
+
   _validateInputs() async {
     if (_formKey.currentState.validate()) {
       _formKey.currentState.save();
                     if (!currentFocus.hasPrimaryFocus) {
                       currentFocus.unfocus();
                     }
-                    _validateInputs();
+                    _submitForm();
                   },
                 ),
               ),
                                           if (!currentFocus.hasPrimaryFocus) {
                                             currentFocus.unfocus();
                                           }
-                                          _validateInputs();
+                                          _submitForm();
                                         }),
                                   ),
                                 ],