add prompt confirmation and update carton

assets/local/localization_en.json

@@ -13,7 +13,7 @@
     "btn.ok": "Ok",
     "feet":"Feet",
     "inch":"Inch",
-    "back.button_confirm":"Are you sure you want to continue without saving changes?",
+    "back.button_confirm":"Are you sure you want to continue without submitting changes?",
     "Buttons End ================================================================":"",
 
     "Offline Start ================================================================":"",
@@ -405,6 +405,7 @@
     "rate.custom.form.title":"Custom",
     "rate.cutom.product_type":"Product type",
     "rate.custom.fee":"Fee",
+    "rate.custom.shipment_rate":"Shipment rate",
     "rate.discount.weight":"Weight",
     "rate.discount.rate":"Discount rate",
     "rate.custom_duty.title":"Custom Fee",

assets/local/localization_mu.json

@@ -12,7 +12,7 @@
     "btn.ok": "အိုကေ",
     "feet":"ပေ",
     "inch":"လက်မ",
-    "back.button_confirm":"Are you sure you want to continue without saving changes?",
+    "back.button_confirm":"Are you sure you want to continue without submitting changes?",
     "Buttons End ================================================================":"",
 
     "Offline Start ================================================================":"",
@@ -405,6 +405,7 @@
     "rate.custom.form.title":"အကောက်ခွန်",
     "rate.cutom.product_type":"ကုန်ပစ္စည်းအမျိုးအစား",
     "rate.custom.fee":"အခကြေးငွေ",
+    "rate.custom.shipment_rate":"တင်ပို့နှုန်း",
     "rate.discount.weight":"အလေးချိန်",
     "rate.discount.rate":"လျှော့စျေးနှုန်း",
     "rate.custom_duty.title":"အကောက်ခွန်များ",

lib/domain/entities/cargo_type.dart

@@ -5,6 +5,7 @@ class CargoType {
   double weight;
   bool isChecked;
   int qty;
+  bool isCutomDuty = false;
 
   double get calAmount => (calRate ?? 0) * (calWeight ?? 0);
 
@@ -29,7 +30,8 @@ class CargoType {
       this.calWeight,
       this.calRate,
       this.isChecked = false,
-      this.qty = 0});
+      this.qty = 0,
+      this.isCutomDuty = false});
 
   Map<String, dynamic> toMap() {
     return {
@@ -56,4 +58,8 @@ class CargoType {
   String toString() {
     return name;
   }
+
+  bool isChangedForEdit(CargoType cargoType) {
+    return cargoType.name != this.name || cargoType.rate != this.rate;
+  }
 }

lib/domain/entities/carton_size.dart

@@ -6,7 +6,6 @@ class CartonSize {
   double height;
   CartonSize({this.id, this.name, this.length, this.width, this.height});
 
-
   Map<String, dynamic> toMap() {
     return {
       'id': id,
@@ -27,4 +26,10 @@ class CartonSize {
     );
   }
 
+  bool isChangedForEdit(CartonSize cartonSize) {
+    return cartonSize.name != this.name ||
+        cartonSize.length != this.length ||
+        cartonSize.width != this.width ||
+        cartonSize.height != this.height;
+  }
 }

lib/domain/entities/custom_duty.dart

@@ -3,7 +3,9 @@ class CustomDuty {
   String productType;
   String desc;
   double fee;
-  CustomDuty({this.id, this.productType, this.desc, this.fee});
+  double shipmentRate;
+  CustomDuty(
+      {this.id, this.productType, this.desc, this.fee, this.shipmentRate});
 
   factory CustomDuty.fromMap(Map<String, dynamic> map, String id) {
     return CustomDuty(
@@ -28,4 +30,11 @@ class CustomDuty {
 
   @override
   int get hashCode => id.hashCode;
+
+  bool isChangedForEdit(CustomDuty customDuty) {
+    return customDuty.productType != this.productType ||
+            customDuty.fee != this.fee
+        //  ||customDuty.shipmentRate != this.shipmentRate
+        ;
+  }
 }

lib/domain/entities/discount.dart

@@ -35,4 +35,10 @@ class Discount {
       status: map['status'],
     );
   }
+
+  bool isChangedForEdit(Discount discount) {
+    return discount.code != this.code ||
+        discount.amount != this.amount ||
+        discount.customerId != this.customerId;
+  }
 }

lib/domain/entities/discount_by_weight.dart

@@ -20,4 +20,9 @@ class DiscountByWeight {
       'discount': discount,
     };
   }
+
+  bool isChangedForEdit(DiscountByWeight discountByWeight) {
+    return discountByWeight.weight != this.weight ||
+        discountByWeight.discount != this.discount;
+  }
 }

lib/domain/entities/fcs_shipment.dart

@@ -66,4 +66,14 @@ class FcsShipment {
   bool isConfirmed() {
     return status == fcs_shipment_confirmed_status;
   }
+
+  bool isChangedForEdit(FcsShipment fcsShipment) {
+    return fcsShipment.shipmentNumber != this.shipmentNumber ||
+        fcsShipment.cutoffDate != this.cutoffDate ||
+        fcsShipment.arrivalDate != this.arrivalDate ||
+        fcsShipment.shipType != this.shipType ||
+        fcsShipment.consignee != this.consignee ||
+        fcsShipment.port != this.port ||
+        fcsShipment.destination != this.destination;
+  }
 }

lib/domain/entities/package.dart

@@ -131,6 +131,12 @@ class Package {
         currentStatusDate: DateTime.parse(json['status_date']));
   }
 
+  bool isChangedForEdit(Package package) {
+    return package.trackingID != this.trackingID ||
+        package.remark != this.remark ||
+        package.fcsID != this.fcsID;
+  }
+
   @override
   bool operator ==(Object other) => other is Package && other.id == id;
 

lib/domain/entities/processing.dart

@@ -29,6 +29,12 @@ class Processing {
   @override
   int get hashCode => id.hashCode;
 
+  bool isChangedForEdit(Processing processing) {
+    return processing.userID != this.userID ||
+        processing.fcsID != this.fcsID ||
+        processing.packages != this.packages;
+  }
+
   @override
   String toString() {
     return 'Processing{id: $id}';

lib/domain/entities/rate.dart

@@ -44,6 +44,12 @@ class Rate {
     };
   }
 
+  bool isChangedForEdit(Rate rate) {
+    return rate.freeDeliveryWeight != this.freeDeliveryWeight ||
+        rate.deliveryFee != this.deliveryFee ||
+        rate.volumetricRatio != this.volumetricRatio;
+  }
+
   @override
   String toString() {
     return 'Rate{deliveryFee:$deliveryFee,freeDeliveryWeight:$freeDeliveryWeight,volumetricRatio:$volumetricRatio}';

lib/domain/vo/delivery_address.dart

@@ -41,4 +41,13 @@ class DeliveryAddress {
       'phone_number': phoneNumber,
     };
   }
+
+  bool isChangedForEdit(DeliveryAddress deliveryAddress) {
+    return deliveryAddress.fullName != this.fullName ||
+        deliveryAddress.phoneNumber != this.phoneNumber ||
+        deliveryAddress.addressLine1 != this.addressLine1 ||
+        deliveryAddress.addressLine2 != this.addressLine2 ||
+        deliveryAddress.state != this.state ||
+        deliveryAddress.city != this.city;
+  }
 }

lib/pages/carton/cargo_type_addtion.dart

@@ -1,6 +1,8 @@
 import 'package:fcs/domain/entities/cargo_type.dart';
+import 'package:fcs/domain/entities/custom_duty.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/rates/custom_list.dart';
 import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/local_title.dart';
@@ -8,7 +10,6 @@ import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-
 import 'input_text_border.dart';
 
 class CargoTypeAddition extends StatefulWidget {
@@ -24,10 +25,12 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
   @override
   void initState() {
     super.initState();
-    cargos =
+    var shipmentRateModel =
-        Provider.of<ShipmentRateModel>(context, listen: false).rate.cargoTypes;
+        Provider.of<ShipmentRateModel>(context, listen: false);
+    cargos = List.from(shipmentRateModel.rate.cargoTypes);
     cargos.forEach((p) {
       p.isChecked = false;
+      p.isCutomDuty = false;
       p.weight = 0;
       p.qty = null;
     });
@@ -55,7 +58,7 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
             ),
           ),
           SizedBox(
-            width: 50,
+            width: 40,
           ),
           LocalText(
             context,
@@ -95,40 +98,58 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
                     }),
                 Expanded(child: new Text(c.name, style: textStyle)),
                 SizedBox(
-                  width: 50,
+                  width: c.isCutomDuty ? 50 : 40,
+                  child: c.isCutomDuty
+                      ? InkWell(
+                          onTap: () {
+                            setState(() {
+                              cargos.removeWhere((t) => t.name == c.name);
+                            });
+                          },
+                          child: Icon(
+                            Icons.remove_circle,
+                            color: Colors.black45,
+                          ),
+                        )
+                      : Container(),
                 ),
                 Container(
                   height: 30,
-                  width: 40,
+                  width: 50,
-                  child: InputTextBorder(
+                  child: c.isCutomDuty
-                    onAdd: (value) {
+                      ? InputTextBorder(
-                      setState(() {
+                          onAdd: (value) {
-                        if (value == "" || value == null) {
+                            setState(() {
-                          c.isChecked = false;
+                              if (value == "" || value == null) {
-                        } else {
+                                c.isChecked = false;
-                          c.qty = int.parse(value);
+                              } else {
-                          c.isChecked = true;
+                                c.qty = int.parse(value);
-                        }
+                                c.isChecked = true;
-                      });
+                              }
-                    },
+                            });
-                  ),
+                          },
+                        )
+                      : Center(child: Text("-")),
                 ),
                 Spacer(),
                 Container(
                   height: 30,
                   width: 60,
-                  child: InputTextBorder(
+                  child: Center(
-                    onAdd: (value) {
+                      child: Text(
-                      setState(() {
+                          c.weight == null ? "" : c.weight.toStringAsFixed(2))),
-                        if (value == "" || value == null) {
+                  // child: InputTextBorder(
-                          c.isChecked = false;
+                  //   onAdd: (value) {
-                        } else {
+                  //     setState(() {
-                          c.weight = double.parse(value);
+                  //       if (value == "" || value == null) {
-                          c.isChecked = true;
+                  //         c.isChecked = false;
-                        }
+                  //       } else {
-                      });
+                  //         c.weight = double.parse(value);
-                    },
+                  //         c.isChecked = true;
-                  ),
+                  //       }
+                  //     });
+                  //   },
+                  // ),
                 ),
               ],
             ),
@@ -146,6 +167,7 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
         Navigator.pop(context, _cargos);
       },
     );
+
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -169,7 +191,21 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
           child: ListView(
             shrinkWrap: true,
             children: <Widget>[
-              LocalTitle(textKey: "box.select.cargo.title"),
+              LocalTitle(
+                textKey: "box.select.cargo.title",
+                trailing: IconButton(
+                    icon: Icon(
+                      Icons.add_circle,
+                      color: primaryColor,
+                    ),
+                    onPressed: () async {
+                      CustomDuty customDuty = await Navigator.of(context).push(
+                          CupertinoPageRoute(
+                              builder: (context) =>
+                                  CustomList(selected: true)));
+                      _addCustom(customDuty);
+                    }),
+              ),
               cargoTableTitleBox,
               Divider(
                 color: Colors.grey[400],
@@ -186,4 +222,14 @@ class _CargoTypeAdditionState extends State<CargoTypeAddition> {
       ),
     );
   }
+
+  _addCustom(CustomDuty customDuty) {
+    if (customDuty == null) return;
+
+    if (cargos.any((c) => c.name == customDuty.productType)) return;
+
+    setState(() {
+      cargos.add(CargoType(name: customDuty.productType, isCutomDuty: true));
+    });
+  }
 }

lib/pages/carton/carton_cargo_table.dart

@@ -28,8 +28,13 @@ class _CargoTableState extends State<CargoTable> {
   double totalWeight = 0;
   List<CargoType> _cargos = [];
   double remainingWeight = 0;
+
   @override
   Widget build(BuildContext context) {
+    remainingWeight =
+        widget.cargoTypes.length == 0 ? this.totalWeight : remainingWeight;
+    this._cargos = widget.cargoTypes.length == 0 ? [] : this._cargos;
+
     return MyDataTable(
       headingRowHeight: 40,
       columns: [
@@ -41,17 +46,10 @@ class _CargoTableState extends State<CargoTable> {
           ),
         ),
         MyDataColumn(
-          label: Row(
+          label: LocalText(
-            children: [
+            context,
-              Container(
+            "cargo.weight",
-                padding: EdgeInsets.only(left:50),
+            color: Colors.grey,
-                child: LocalText(
-                  context,
-                  "cargo.weight",
-                  color: Colors.grey,
-                ),
-              ),
-            ],
           ),
         ),
       ],
@@ -65,12 +63,48 @@ class _CargoTableState extends State<CargoTable> {
     }
     List<String> _list = [];
     List<String> _types = [];
-    double _total = 0;
 
     var rows = widget.cargoTypes.map((c) {
-      _total += c.weight;
       return MyDataRow(
-        onSelectChanged: (bool selected) async {},
+        onSelectChanged: (bool selected) async {
+          if (this.totalWeight <= 0) {
+            showMsgDialog(context, "Error", "Please insert total weight");
+            return;
+          }
+
+          if (c.isCutomDuty) return;
+          CargoType cargo = await Navigator.push<CargoType>(
+              context,
+              CupertinoPageRoute(
+                  builder: (context) => CargoTypeEditor(
+                        cargo: c,
+                      )));
+          if (widget.onAdd != null) widget.onAdd(cargo);
+          if (cargo == null) return;
+
+          this._cargos.add(cargo);
+          if (this.remainingWeight <= 0) return;
+          this.remainingWeight -= cargo.weight;
+
+          this._cargos.forEach((c) {
+            _list.add(c.name);
+          });
+          widget.cargoTypes.forEach((c) {
+            _types.add(c.name);
+          });
+
+          if (this._cargos.length == widget.cargoTypes.length - 1) {
+            _types.forEach((t) {
+              if (!_list.contains(t)) {
+                widget.cargoTypes.forEach((c) {
+                  if (c.name == t) {
+                    c.weight = this.remainingWeight;
+                  }
+                });
+              }
+            });
+          }
+        },
         cells: [
           MyDataCell(Row(
             children: [
@@ -88,7 +122,8 @@ class _CargoTableState extends State<CargoTable> {
             Row(
               mainAxisAlignment: MainAxisAlignment.end,
               children: [
-                Text(c.weight.toStringAsFixed(2), style: textStyle),
+                Text(c.weight == null ? "0.00" : c.weight.toStringAsFixed(2),
+                    style: textStyle),
                 widget.onRemove == null
                     ? SizedBox(
                         width: 50,
@@ -134,35 +169,13 @@ class _CargoTableState extends State<CargoTable> {
                     if (_t == null) return;
                     setState(() {
                       totalWeight = _t;
-                      this.remainingWeight = this.totalWeight - _total;
+                      remainingWeight = totalWeight;
-                      widget.cargoTypes.forEach((c) {
-                        if (c.qty == null) {
-                          this._cargos.add(c);
-                        }
-                      });
-                      this._cargos.forEach((c) {
-                        _list.add(c.name);
-                      });
-                      widget.cargoTypes.forEach((c) {
-                        _types.add(c.name);
-                      });
-                      if (this._cargos.length == widget.cargoTypes.length - 1) {
-                        _types.forEach((t) {
-                          if (!_list.contains(t)) {
-                            widget.cargoTypes.forEach((c) {
-                              if (c.name == t) {
-                                c.weight = this.remainingWeight;
-                              }
-                            });
-                          }
-                        });
-                      }
                     });
                   },
                   child: Container(
                     padding: const EdgeInsets.all(7.0),
                     decoration: BoxDecoration(
-                      border: Border.all(color: Colors.grey),
+                      border: Border.all(color: primaryColor),
                       borderRadius: BorderRadius.all(Radius.circular(5.0)),
                     ),
                     child: Text(totalWeight.toStringAsFixed(2),
@@ -181,4 +194,78 @@ class _CargoTableState extends State<CargoTable> {
     double _r = this.totalWeight < total ? 0 : this.totalWeight - total;
     return _r;
   }
+
+  List<MyDataRow> _getCargoRows(BuildContext context) {
+    if (widget.cargoTypes == null) {
+      return [];
+    }
+    double total = 0;
+    var rows = widget.cargoTypes.map((c) {
+      total += c.weight;
+      return MyDataRow(
+        onSelectChanged: (bool selected) async {
+          CargoType cargo = await Navigator.push<CargoType>(
+              context,
+              CupertinoPageRoute(
+                  builder: (context) => CargoTypeEditor(
+                        cargo: c,
+                      )));
+          if (widget.onAdd != null) widget.onAdd(cargo);
+        },
+        cells: [
+          MyDataCell(new Text(
+            c.name == null ? "" : c.name,
+            style: textStyle,
+          )),
+          MyDataCell(
+            Row(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: [
+                Text(c.weight == null ? "0" : c.weight.toStringAsFixed(2),
+                    style: textStyle),
+                widget.onRemove == null
+                    ? SizedBox(
+                        width: 50,
+                      )
+                    : IconButton(
+                        icon: Icon(
+                          Icons.remove_circle,
+                          color: primaryColor,
+                        ),
+                        onPressed: () {
+                          if (widget.onRemove != null) widget.onRemove(c);
+                        })
+              ],
+            ),
+          ),
+        ],
+      );
+    }).toList();
+
+    var totalRow = MyDataRow(
+      onSelectChanged: (bool selected) {},
+      cells: [
+        MyDataCell(Align(
+          alignment: Alignment.centerRight,
+          child: LocalText(
+            context,
+            "shipment.cargo.total",
+            color: Colors.black87,
+            fontWeight: FontWeight.bold,
+          ),
+        )),
+        MyDataCell(
+          Padding(
+            padding: const EdgeInsets.only(right: 48.0),
+            child: Align(
+                alignment: Alignment.centerRight,
+                child: Text(total.toStringAsFixed(2),
+                    style: TextStyle(fontWeight: FontWeight.bold))),
+          ),
+        ),
+      ],
+    );
+    rows.add(totalRow);
+    return rows;
+  }
 }

lib/pages/carton/carton_cargo_table_old.dart

@@ -41,10 +41,17 @@ class _CargoTableState extends State<CargoTable> {
           ),
         ),
         MyDataColumn(
-          label: LocalText(
+          label: Row(
-            context,
+            children: [
-            "cargo.weight",
+              Container(
-            color: Colors.grey,
+                padding: EdgeInsets.only(left: 50),
+                child: LocalText(
+                  context,
+                  "cargo.weight",
+                  color: Colors.grey,
+                ),
+              ),
+            ],
           ),
         ),
       ],
@@ -58,50 +65,24 @@ class _CargoTableState extends State<CargoTable> {
     }
     List<String> _list = [];
     List<String> _types = [];
+    double _total = 0;
 
     var rows = widget.cargoTypes.map((c) {
+      _total += c.weight;
       return MyDataRow(
-        onSelectChanged: (bool selected) async {
+        onSelectChanged: (bool selected) async {},
-          if (this.totalWeight <= 0) {
-            showMsgDialog(context, "Error", "Please insert total weight");
-            return;
-          }
-          CargoType cargo = await Navigator.push<CargoType>(
-              context,
-              CupertinoPageRoute(
-                  builder: (context) => CargoTypeEditor(
-                        cargo: c,
-                      )));
-          if (widget.onAdd != null) widget.onAdd(cargo);
-          if (cargo == null) return;
-
-          this._cargos.add(cargo);
-          if (this.remainingWeight <= 0) return;
-          this.remainingWeight -= cargo.weight;
-
-          this._cargos.forEach((c) {
-            _list.add(c.name);
-          });
-          widget.cargoTypes.forEach((c) {
-            _types.add(c.name);
-          });
-
-          if (this._cargos.length == widget.cargoTypes.length - 1) {
-            _types.forEach((t) {
-              if (!_list.contains(t)) {
-                widget.cargoTypes.forEach((c) {
-                  if (c.name == t) {
-                    c.weight = this.remainingWeight;
-                  }
-                });
-              }
-            });
-          }
-        },
         cells: [
-          MyDataCell(new Text(
+          MyDataCell(Row(
-            c.name == null ? "" : c.name,
+            children: [
-            style: textStyle,
+              new Text(
+                c.name == null ? "" : c.name,
+                style: textStyle,
+              ),
+              new Text(
+                c.qty == null ? "" : " x ${c.qty.toString()}",
+                style: TextStyle(color: Colors.grey),
+              ),
+            ],
           )),
           MyDataCell(
             Row(
@@ -153,13 +134,35 @@ class _CargoTableState extends State<CargoTable> {
                     if (_t == null) return;
                     setState(() {
                       totalWeight = _t;
-                      remainingWeight = _t;
+                      this.remainingWeight = this.totalWeight - _total;
+                      widget.cargoTypes.forEach((c) {
+                        if (c.qty == null) {
+                          this._cargos.add(c);
+                        }
+                      });
+                      this._cargos.forEach((c) {
+                        _list.add(c.name);
+                      });
+                      widget.cargoTypes.forEach((c) {
+                        _types.add(c.name);
+                      });
+                      if (this._cargos.length == widget.cargoTypes.length - 1) {
+                        _types.forEach((t) {
+                          if (!_list.contains(t)) {
+                            widget.cargoTypes.forEach((c) {
+                              if (c.name == t) {
+                                c.weight = this.remainingWeight;
+                              }
+                            });
+                          }
+                        });
+                      }
                     });
                   },
                   child: Container(
                     padding: const EdgeInsets.all(7.0),
                     decoration: BoxDecoration(
-                      border: Border.all(color: primaryColor),
+                      border: Border.all(color: Colors.grey),
                       borderRadius: BorderRadius.all(Radius.circular(5.0)),
                     ),
                     child: Text(totalWeight.toStringAsFixed(2),
@@ -178,78 +181,4 @@ class _CargoTableState extends State<CargoTable> {
     double _r = this.totalWeight < total ? 0 : this.totalWeight - total;
     return _r;
   }
-
-  List<MyDataRow> _getCargoRows(BuildContext context) {
-    if (widget.cargoTypes == null) {
-      return [];
-    }
-    double total = 0;
-    var rows = widget.cargoTypes.map((c) {
-      total += c.weight;
-      return MyDataRow(
-        onSelectChanged: (bool selected) async {
-          CargoType cargo = await Navigator.push<CargoType>(
-              context,
-              CupertinoPageRoute(
-                  builder: (context) => CargoTypeEditor(
-                        cargo: c,
-                      )));
-          if (widget.onAdd != null) widget.onAdd(cargo);
-        },
-        cells: [
-          MyDataCell(new Text(
-            c.name == null ? "" : c.name,
-            style: textStyle,
-          )),
-          MyDataCell(
-            Row(
-              mainAxisAlignment: MainAxisAlignment.end,
-              children: [
-                Text(c.weight == null ? "0" : c.weight.toStringAsFixed(2),
-                    style: textStyle),
-                widget.onRemove == null
-                    ? SizedBox(
-                        width: 50,
-                      )
-                    : IconButton(
-                        icon: Icon(
-                          Icons.remove_circle,
-                          color: primaryColor,
-                        ),
-                        onPressed: () {
-                          if (widget.onRemove != null) widget.onRemove(c);
-                        })
-              ],
-            ),
-          ),
-        ],
-      );
-    }).toList();
-
-    var totalRow = MyDataRow(
-      onSelectChanged: (bool selected) {},
-      cells: [
-        MyDataCell(Align(
-          alignment: Alignment.centerRight,
-          child: LocalText(
-            context,
-            "shipment.cargo.total",
-            color: Colors.black87,
-            fontWeight: FontWeight.bold,
-          ),
-        )),
-        MyDataCell(
-          Padding(
-            padding: const EdgeInsets.only(right: 48.0),
-            child: Align(
-                alignment: Alignment.centerRight,
-                child: Text(total.toStringAsFixed(2),
-                    style: TextStyle(fontWeight: FontWeight.bold))),
-          ),
-        ),
-      ],
-    );
-    rows.add(totalRow);
-    return rows;
-  }
 }

lib/pages/carton/carton_editor.dart

@@ -99,11 +99,11 @@ class _CartonEditorState extends State<CartonEditor> {
       _isNew = true;
       _selectedCartonType = carton_from_packages;
       _loadFcsShipments();
-      _cartons = [
+      // _cartons = [
-        Carton(cartonNumber: "A100B-1#1"),
+      //   Carton(cartonNumber: "A100B-1#1"),
-        Carton(cartonNumber: "A100B-1#2"),
+      //   Carton(cartonNumber: "A100B-1#2"),
-        Carton(cartonNumber: "A100B-1#3")
+      //   Carton(cartonNumber: "A100B-1#3")
-      ];
+      // ];
     }
   }
 
@@ -382,9 +382,13 @@ class _CartonEditorState extends State<CartonEditor> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           shadowColor: Colors.transparent,
@@ -726,4 +730,12 @@ class _CartonEditorState extends State<CartonEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _fcsShipment != null || _user != null || _cartons.isNotEmpty;
+    } else {
+      return true;
+    }
+  }
 }

lib/pages/carton/input_text_border.dart

@@ -4,12 +4,15 @@ typedef OnAdd(String value);
 
 class InputTextBorder extends StatelessWidget {
   final OnAdd onAdd;
+  final TextEditingController controller;
 
-  const InputTextBorder({Key key, this.onAdd}) : super(key: key);
+  const InputTextBorder({Key key, this.onAdd, this.controller})
+      : super(key: key);
   @override
   Widget build(BuildContext context) {
     return TextFormField(
       textAlign: TextAlign.center,
+      controller: controller,
       onChanged: (v) {
         if (onAdd != null) onAdd(v);
       },

lib/pages/carton_size/carton_size_editor.dart

@@ -1,11 +1,8 @@
-import 'package:fcs/domain/entities/cargo_type.dart';
 import 'package:fcs/domain/entities/carton_size.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/pages/main/util.dart';
-import 'package:fcs/pages/rates/model/shipment_rate_model.dart';
 import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/length_picker.dart';
-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/cupertino.dart';
@@ -140,9 +137,13 @@ class _CartonSizeEditorState extends State<CartonSizeEditor> {
               icon:
                   new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                if (isDataChanged()) {
+                  showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
+                  });
+                } else {
                   Navigator.of(context).pop();
-                });
+                }
               },
             ),
             shadowColor: Colors.transparent,
@@ -169,4 +170,21 @@ class _CartonSizeEditorState extends State<CartonSizeEditor> {
       ),
     );
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _nameController.text != "" ||
+          _lengthController.text != "12" ||
+          _widthController.text != "12" ||
+          _heightController.text != "12";
+    } else {
+      double l = double.parse(_lengthController.text, (s) => 0);
+      double w = double.parse(_widthController.text, (s) => 0);
+      double h = double.parse(_heightController.text, (s) => 0);
+      CartonSize _cartonSize = CartonSize(
+          name: _nameController.text, length: l, width: w, height: h);
+
+      return widget.cartonSize.isChangedForEdit(_cartonSize);
+    }
+  }
 }

lib/pages/contact/contact_editor.dart

@@ -29,17 +29,21 @@ class _ContactEditorState extends State<ContactEditor> {
   TextEditingController _facebook = new TextEditingController();
 
   bool _isLoading = false;
+  bool isNew;
 
   @override
   void initState() {
     super.initState();
     if (widget.contact != null) {
+      isNew = false;
       _usaPhone.text = widget.contact.usaContactNumber;
       _mmPhone.text = widget.contact.mmContactNumber;
       _usaAddress.text = widget.contact.usaAddress;
       _mmAddress.text = widget.contact.mmAddress;
       _email.text = widget.contact.emailAddress;
       _facebook.text = widget.contact.facebookLink;
+    } else {
+      isNew = true;
     }
   }
 
@@ -83,9 +87,7 @@ class _ContactEditorState extends State<ContactEditor> {
               leading: new IconButton(
                   icon: new Icon(CupertinoIcons.back, color: primaryColor),
                   onPressed: () {
-                    showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
-                      Navigator.of(context).pop();
-                    });
                   }),
               shadowColor: Colors.transparent,
               backgroundColor: Colors.white,

lib/pages/customer/invitation_create.dart

@@ -52,9 +52,13 @@ class _InvitationCreateState extends State<InvitationCreate> {
               color: primaryColor,
             ),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           title: LocalText(
@@ -166,4 +170,10 @@ class _InvitationCreateState extends State<InvitationCreate> {
       });
     }
   }
+
+  isDataChanged() {
+    String userName = _nameController.text;
+    String phoneNumber = _phoneController.text;
+    return userName != "" || phoneNumber != "";
+  }
 }

lib/pages/delivery/delivery_info.dart

@@ -238,9 +238,7 @@ class _DeliveryInfoState extends State<DeliveryInfo> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              Navigator.of(context).pop();
-                Navigator.of(context).pop();
-              });
             },
           ),
           shadowColor: Colors.transparent,

lib/pages/delivery_address/delivery_address_editor.dart

@@ -107,9 +107,13 @@ class _DeliveryAddressEditorState extends State<DeliveryAddressEditor> {
             leading: new IconButton(
               icon: new Icon(CupertinoIcons.back, color: primaryColor),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                if (isDataChanged()) {
+                  showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
+                  });
+                } else {
                   Navigator.of(context).pop();
-                });
+                }
               },
             ),
             backgroundColor: Colors.white,
@@ -252,4 +256,18 @@ class _DeliveryAddressEditorState extends State<DeliveryAddressEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _nameController.text != "" ||
+          _phoneController.text != "" ||
+          _address1Controller.text != "" ||
+          _address2Controller.text != "" ||
+          _cityController.text != "Yangon" ||
+          _stateController.text != "Yangon";
+    } else {
+      DeliveryAddress deliveryAddress = _getPayload();
+      return widget.deliveryAddress.isChangedForEdit(deliveryAddress);
+    }
+  }
 }

lib/pages/discount/discount_editor.dart

@@ -98,9 +98,13 @@ class _DiscountEditorState extends State<DiscountEditor> {
             leading: new IconButton(
               icon: new Icon(CupertinoIcons.back),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                if (isDataChanged()) {
+                  showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
+                  });
+                } else {
                   Navigator.of(context).pop();
-                });
+                }
               },
             ),
             backgroundColor: primaryColor,
@@ -192,4 +196,19 @@ class _DiscountEditorState extends State<DiscountEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _codeController.text != "" ||
+          _amountController.text != "" ||
+          customerName != "";
+    } else {
+      Discount _discount = Discount(
+          code: _codeController.text,
+          customerName: customerName,
+          customerId: customerId,
+          amount: double.parse(_amountController.text));
+      return widget.discount.isChangedForEdit(_discount);
+    }
+  }
 }

lib/pages/faq/faq_edit_page.dart

@@ -127,9 +127,13 @@ class _FAQEditorState extends State<FAQEditor> {
               leading: new IconButton(
                 icon: new Icon(CupertinoIcons.back, color: primaryColor),
                 onPressed: () {
-                  showConfirmDialog(context, "back.button_confirm", () {
+                  if (isDataChanged()) {
+                    showConfirmDialog(context, "back.button_confirm", () {
+                      Navigator.of(context).pop();
+                    });
+                  } else {
                     Navigator.of(context).pop();
-                  });
+                  }
                 },
               ),
               backgroundColor: Colors.white,
@@ -240,4 +244,15 @@ class _FAQEditorState extends State<FAQEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    return _sn.text != "" ||
+        _engQ.text != "" ||
+        _engA.text != "" ||
+        _mmQ.text != "" ||
+        _mmA.text != "" ||
+        _pageLabelEng.text != "" ||
+        _pageLabelMm.text != "" ||
+        _pageLink != info;
+  }
 }

lib/pages/fcs_shipment/fcs_shipment_editor.dart

@@ -94,9 +94,13 @@ class _FcsShipmentEditorState extends State<FcsShipmentEditor> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back, color: primaryColor),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           backgroundColor: Colors.white,
@@ -271,4 +275,20 @@ class _FcsShipmentEditorState extends State<FcsShipmentEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      var mainModel = Provider.of<MainModel>(context, listen: false);
+      return _shipmentNumberController.text != "" ||
+          _cutoffDateController.text != "" ||
+          _arrivalDateController.text != "" ||
+          _consigneeController.text != "" ||
+          _portController.text != "" ||
+          _destinationController.text != "" ||
+          _currentShipmentType != mainModel.setting.shipmentTypes[0];
+    } else {
+      FcsShipment fcsShipment = _getPayload();
+      return widget.shipment.isChangedForEdit(fcsShipment);
+    }
+  }
 }

lib/pages/invoice/editor/invoice_editor.dart

@@ -316,9 +316,7 @@ class _InvoiceEditorState extends State<InvoiceEditor> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back, color: primaryColor),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              Navigator.of(context).pop();
-                Navigator.of(context).pop();
-              });
             },
           ),
           backgroundColor: Colors.white,

lib/pages/payment_methods/payment_method_editor.dart

@@ -61,9 +61,13 @@ class _PaymentMethodEditorState extends State<PaymentMethodEditor> {
             leading: new IconButton(
               icon: new Icon(CupertinoIcons.back, color: primaryColor),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                if (isDataChanged()) {
+                  showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
+                  });
+                } else {
                   Navigator.of(context).pop();
-                });
+                }
               },
             ),
             title: LocalText(
@@ -214,4 +218,13 @@ class _PaymentMethodEditorState extends State<PaymentMethodEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    return _nameController.text != "" ||
+        _accountNameController.text != "" ||
+        _accountNumberController.text != "" ||
+        _phoneController.text != "" ||
+        _mailController.text != "" ||
+        _linkController.text != "";
+  }
 }

lib/pages/processing/processing_edit_editor.dart

@@ -118,9 +118,13 @@ class _ProcessingEditEditorState extends State<ProcessingEditEditor> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           shadowColor: Colors.transparent,
@@ -261,4 +265,12 @@ class _ProcessingEditEditorState extends State<ProcessingEditEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    return _user.fcsID != "" ||
+        selectedMarket != "" ||
+        _descCtl.text != "" ||
+        _remarkCtl.text != "" ||
+        multiImgController.getAddedFile.isNotEmpty;
+  }
 }

lib/pages/processing/processing_editor.dart

@@ -172,9 +172,13 @@ class _ProcesingEditorState extends State<ProcesingEditor> {
               icon:
                   new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                if (isDataChanged()) {
+                  showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
+                  });
+                } else {
                   Navigator.of(context).pop();
-                });
+                }
               },
             ),
             shadowColor: Colors.transparent,
@@ -324,4 +328,14 @@ class _ProcesingEditorState extends State<ProcesingEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return this.packages.isNotEmpty || user != null || shipper != null;
+    } else {
+      Processing _processing = Processing(
+          userID: user.fcsID, fcsID: shipper.fcsID, packages: this.packages);
+      return widget.processing.isChangedForEdit(_processing);
+    }
+  }
 }

lib/pages/profile/profile_currency_edit.dart

@@ -60,9 +60,7 @@ class _ProfileCurrencyEditState extends State<ProfileCurrencyEdit> {
               color: primaryColor,
             ),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              Navigator.of(context).pop();
-                Navigator.of(context).pop();
-              });
             },
           ),
         ),

lib/pages/profile/profile_edit.dart

@@ -75,9 +75,7 @@ class _ProfileEditState extends State<ProfileEdit> {
               color: primaryColor,
             ),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              Navigator.of(context).pop();
-                Navigator.of(context).pop();
-              });
             },
           ),
         ),

lib/pages/rates/cargo_editor.dart

@@ -61,9 +61,13 @@ class _CargoEditorState extends State<CargoEditor> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           backgroundColor: primaryColor,
@@ -144,4 +148,14 @@ class _CargoEditorState extends State<CargoEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _descController.text != "" || _rateController.text != "";
+    } else {
+      CargoType _cargo = CargoType(
+          name: _descController.text, rate: double.parse(_rateController.text));
+      return widget.cargo.isChangedForEdit(_cargo);
+    }
+  }
 }

lib/pages/rates/custom_editor.dart

@@ -22,6 +22,7 @@ class CustomEditor extends StatefulWidget {
 class _CustomEditorState extends State<CustomEditor> {
   TextEditingController _productController = new TextEditingController();
   TextEditingController _feeController = new TextEditingController();
+  TextEditingController _shipmentRateController = new TextEditingController();
 
   bool _isLoading = false;
   CustomDuty _custom = new CustomDuty();
@@ -34,6 +35,9 @@ class _CustomEditorState extends State<CustomEditor> {
       _custom = widget.custom;
       _productController.text = _custom.productType;
       _feeController.text = _custom.fee.toStringAsFixed(2);
+      _shipmentRateController.text = _custom.shipmentRate == null
+          ? ""
+          : _custom.shipmentRate.toStringAsFixed(2);
     } else {
       _isNew = true;
     }
@@ -54,6 +58,11 @@ class _CustomEditorState extends State<CustomEditor> {
         labelTextKey: 'rate.custom.fee',
         iconData: Icons.attach_money,
         controller: _feeController);
+
+    final shipmentRateBox = InputText(
+        labelTextKey: 'rate.custom.shipment_rate',
+        iconData: Icons.attach_money,
+        controller: _shipmentRateController);
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -64,9 +73,13 @@ class _CustomEditorState extends State<CustomEditor> {
               CupertinoIcons.back,
             ),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           backgroundColor: primaryColor,
@@ -88,6 +101,7 @@ class _CustomEditorState extends State<CustomEditor> {
                   children: <Widget>[
                     productBox,
                     feeBox,
+                    shipmentRateBox,
                     SizedBox(height: 30),
                   ],
                 ),
@@ -111,7 +125,8 @@ class _CustomEditorState extends State<CustomEditor> {
           Provider.of<ShipmentRateModel>(context, listen: false);
       CustomDuty _customduty = CustomDuty(
           productType: _productController.text,
-          fee: double.parse(_feeController.text));
+          fee: double.parse(_feeController.text),
+          shipmentRate: double.parse(_shipmentRateController.text));
       print('_customduty => $_customduty');
       if (_isNew) {
         await shipmentRateModel.addCustomDuty(_customduty);
@@ -151,4 +166,19 @@ class _CustomEditorState extends State<CustomEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _productController.text != "" ||
+          _feeController.text != "" ||
+          _shipmentRateController.text != "";
+    } else {
+      CustomDuty _customduty = CustomDuty(
+        productType: _productController.text,
+        fee: double.parse(_feeController.text),
+        // shipmentRate: double.parse(_shipmentRateController.text)
+      );
+      return widget.custom.isChangedForEdit(_customduty);
+    }
+  }
 }

lib/pages/rates/discount_by_weight_editor.dart

@@ -63,9 +63,13 @@ class _DiscountByWeightEditorState extends State<DiscountByWeightEditor> {
           leading: new IconButton(
             icon: new Icon(CupertinoIcons.back),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           backgroundColor: primaryColor,
@@ -149,4 +153,15 @@ class _DiscountByWeightEditorState extends State<DiscountByWeightEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _weightController.text != "" || _discountController.text != "";
+    } else {
+      DiscountByWeight _discount = DiscountByWeight(
+          weight: double.parse(_weightController.text),
+          discount: double.parse(_discountController.text));
+      return widget.discountByWeight.isChangedForEdit(_discount);
+    }
+  }
 }

lib/pages/rates/shipment_rates_edit.dart

@@ -29,13 +29,14 @@ class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
   TextEditingController _minWeight = new TextEditingController();
   TextEditingController _deliveryFee = new TextEditingController();
   TextEditingController _volumetricRatio = new TextEditingController();
+  Rate rate;
 
   @override
   void initState() {
     super.initState();
     var shipmentRateModel =
         Provider.of<ShipmentRateModel>(context, listen: false);
-    Rate rate = shipmentRateModel.rate;
+    rate = shipmentRateModel.rate;
 
     _minWeight.text = rate.freeDeliveryWeight?.toStringAsFixed(2) ?? "";
     _deliveryFee.text = rate.deliveryFee?.toStringAsFixed(2) ?? "";
@@ -74,9 +75,13 @@ class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
               CupertinoIcons.back,
             ),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           backgroundColor: primaryColor,
@@ -130,6 +135,14 @@ class _ShipmentRatesEditState extends State<ShipmentRatesEdit> {
     }
   }
 
+  isDataChanged() {
+    Rate _rate = new Rate(
+        deliveryFee: double.parse(_deliveryFee.text),
+        freeDeliveryWeight: double.parse(_minWeight.text),
+        volumetricRatio: double.parse(_volumetricRatio.text));
+    return rate.isChangedForEdit(_rate);
+  }
+
   List<MyDataRow> getCargoRows(List<CargoType> cargos) {
     return cargos.map((r) {
       return MyDataRow(

lib/pages/receiving/receiving_editor.dart

@@ -150,9 +150,13 @@ class _ReceivingEditorState extends State<ReceivingEditor> {
               icon:
                   new Icon(CupertinoIcons.back, color: primaryColor, size: 30),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                if (isDataChanged()) {
+                  showConfirmDialog(context, "back.button_confirm", () {
+                    Navigator.of(context).pop();
+                  });
+                } else {
                   Navigator.of(context).pop();
-                });
+                }
               },
             ),
             shadowColor: Colors.transparent,
@@ -253,4 +257,22 @@ class _ReceivingEditorState extends State<ReceivingEditor> {
       });
     }
   }
+
+  isDataChanged() {
+    if (_isNew) {
+      return _trackingIDCtl.text != "" ||
+          _remarkCtl.text != "" ||
+          user != null ||
+          _multiImgController.getAddedFile.isNotEmpty;
+    } else {
+      var _package = Package(
+          trackingID: _trackingIDCtl.text,
+          remark: _remarkCtl.text,
+          fcsID: user.fcsID,
+          photoUrls: widget.package.photoUrls);
+      return widget.package.isChangedForEdit(_package) ||
+          _multiImgController.getAddedFile.isNotEmpty ||
+          _multiImgController.getDeletedUrl.isNotEmpty;
+    }
+  }
 }

lib/pages/shipment/shipment_editor.dart

@@ -166,9 +166,13 @@ class _ShipmentEditorState extends State<ShipmentEditor> {
               color: primaryColor,
             ),
             onPressed: () {
-              showConfirmDialog(context, "back.button_confirm", () {
+              if (isDataChanged()) {
+                showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
+                });
+              } else {
                 Navigator.of(context).pop();
-              });
+              }
             },
           ),
           shadowColor: Colors.transparent,
@@ -316,4 +320,8 @@ class _ShipmentEditorState extends State<ShipmentEditor> {
     MainModel mainModel = Provider.of<MainModel>(context, listen: false);
     launch("${mainModel.setting.courierWebsite}");
   }
+
+  isDataChanged() {
+    return _shipment.boxes.isNotEmpty;
+  }
 }

lib/pages/staff/staff_editor.dart

@@ -174,9 +174,7 @@ class _StaffEditorState extends State<StaffEditor> {
                 icon: new Icon(CupertinoIcons.back,
                     color: primaryColor, size: 30),
                 onPressed: () {
-                  showConfirmDialog(context, "back.button_confirm", () {
+                  Navigator.of(context).pop();
-                    Navigator.of(context).pop();
-                  });
                 }),
             shadowColor: Colors.transparent,
             backgroundColor: Colors.white,

lib/pages/term/term_edit.dart

@@ -77,9 +77,7 @@ class _TermEditState extends State<TermEdit> {
                 size: 30,
               ),
               onPressed: () {
-                showConfirmDialog(context, "back.button_confirm", () {
+                Navigator.of(context).pop();
-                  Navigator.of(context).pop();
-                });
               },
             ),
             shadowColor: Colors.transparent,