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mobile-app/lib/presentation/screens/actions/dung/widget_dung_supply.dart

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  1. import 'package:farm_tpf/custom_model/Device.dart';

  2. import 'package:farm_tpf/custom_model/SuppliesUsing.dart';

  3. import 'package:farm_tpf/custom_model/Supply.dart';

  4. import 'package:farm_tpf/presentation/custom_widgets/WidgetErrorTextField.dart';

  5. import 'package:farm_tpf/presentation/custom_widgets/widget_text_form_field.dart';

  6. import 'package:farm_tpf/presentation/custom_widgets/widget_utils.dart';

  7. import 'package:farm_tpf/presentation/screens/actions/controller/ChangeDevice.dart';

  8. import 'package:farm_tpf/presentation/screens/actions/controller/ChangeFieldInForm.dart';

  9. import 'package:farm_tpf/presentation/screens/actions/controller/ChangeFormButton.dart';

  10. import 'package:farm_tpf/presentation/screens/actions/controller/ChangeSupplyUsing.dart';

  11. import 'package:farm_tpf/presentation/screens/actions/controller/ChangeUnit.dart';

  12. import 'package:farm_tpf/presentation/screens/actions/resource_device_activity/sc_device_activity.dart';

  13. import 'package:farm_tpf/presentation/screens/actions/state_management_helper/change_supply.dart';

  14. import 'package:farm_tpf/presentation/screens/resources/sc_resource_helper.dart';

  15. import 'package:farm_tpf/utils/const_common.dart';

  16. import 'package:farm_tpf/utils/const_string.dart';

  17. import 'package:farm_tpf/utils/const_style.dart';

  18. import 'package:farm_tpf/utils/validators.dart';

  19. import 'package:flutter/material.dart';

  20. import 'package:get/get.dart';

  21. import 'package:farm_tpf/utils/formatter.dart';

  22. 

  23. import '../util_action.dart';

  24. 

  25. class WidgetDungSupply extends StatefulWidget {

  26.   final List<SuppliesUsing> currentItems;

  27.   final Function(List<SuppliesUsing> supplyChanges) onChangeSupplies;

  28.   WidgetDungSupply({required this.currentItems, required this.onChangeSupplies});

  29.   @override

  30.   _WidgetDungSupplyState createState() => _WidgetDungSupplyState();

  31. }

  32. 

  33. class _WidgetDungSupplyState extends State<WidgetDungSupply> {

  34.   final _dosageController = TextEditingController();

  35.   final _quantityController = TextEditingController();

  36.   final _howToUseController = TextEditingController();

  37.   final changeSelectedSupply = Get.put(ChangeSupply());

  38.   final changeSupplyUsing = Get.put(ChangeSupplyUsing());

  39.   final changeUnit = Get.put(ChangeUnit());

  40.   final changeButton = Get.put(ChangeButtonInForm());

  41.   final changeSelectedDevice = Get.put(ChangeDevice());

  42.   final changeFormField = Get.put(ChangeFieldFormSupply());

  43.   GlobalKey<FormState> _formSupplyKey = GlobalKey();

  44. 

  45.   @override

  46.   void initState() {

  47.     super.initState();

  48.     changeSelectedSupply.initValue();

  49.     changeSelectedDevice.initValue();

  50.     changeSupplyUsing.init(widget.currentItems);

  51.     changeUnit.initValue();

  52.     changeButton.resetValue();

  53.     changeFormField.init();

  54.   }

  55. 

  56.   Widget _buildListSupply() {

  57.     return GetBuilder<ChangeSupplyUsing>(builder: (value) {

  58.       widget.onChangeSupplies(value.currentItems ?? []);

  59.       if (value.currentItems!.isEmpty) {

  60.         return Container();

  61.       } else {

  62.         return Container(

  63.             height: 120,

  64.             child: ListView.builder(

  65.                 physics: ClampingScrollPhysics(),

  66.                 scrollDirection: Axis.horizontal,

  67.                 shrinkWrap: true,

  68.                 itemCount: value.currentItems?.length,

  69.                 itemBuilder: (context, index) {

  70.                   return GestureDetector(

  71.                       onTap: () {

  72.                         print("edit");

  73.                         changeSupplyUsing.changeIndexEdit(index);

  74.                         changeButton.updateToEdit(true);

  75.                         var editedSupplyUsing = value.currentItems?[index] ?? SuppliesUsing();

  76.                         var editedSupply = Supply()

  77.                           ..id = editedSupplyUsing.tbSuppliesInWarehouseId

  78.                           ..tbSuppliesName = editedSupplyUsing.supplyName

  79.                           ..unit = editedSupplyUsing.supplyUnit;

  80.                         changeSelectedSupply.change(editedSupply);

  81. 

  82.                         var editedDevice = Device()

  83.                           ..id = editedSupplyUsing.tbEquipmentOfCustomerId

  84.                           ..name = editedSupplyUsing.equipmentName;

  85.                         changeSelectedDevice.change(editedDevice);

  86. 

  87.                         changeUnit.updateListByUnitName(editedSupplyUsing.supplyUnit ?? '');

  88.                         changeUnit.updateSelected(editedSupplyUsing.supplyUnit ?? '');

  89.                         _dosageController.text = editedSupplyUsing.dosage ?? '';

  90.                         _howToUseController.text = editedSupplyUsing.howToUse ?? '';

  91.                         _quantityController.text = editedSupplyUsing.quantity?.formatNumtoStringDecimal() ?? '0';

  92.                       },

  93.                       child: Card(

  94.                           child: Stack(

  95.                         alignment: Alignment.bottomCenter,

  96.                         children: <Widget>[

  97.                           Positioned(

  98.                               child: ClipRRect(

  99.                             borderRadius: BorderRadius.circular(8),

  100.                             child: Container(

  101.                               padding: EdgeInsets.all(4),

  102.                               width: 150,

  103.                               child: Column(

  104.                                 crossAxisAlignment: CrossAxisAlignment.center,

  105.                                 mainAxisAlignment: MainAxisAlignment.center,

  106.                                 children: [

  107.                                   SizedBox(

  108.                                     height: 12.0,

  109.                                   ),

  110.                                   Flexible(

  111.                                     child: Text(value.currentItems?[index].supplyName ?? "", overflow: TextOverflow.ellipsis, maxLines: 1),

  112.                                   ),

  113.                                   Validators.stringNotNullOrEmpty(value.currentItems?[index].dosage ?? '')

  114.                                       ? Flexible(child: Text("${value.currentItems?[index].dosage ?? ""}"))

  115.                                       : SizedBox(),

  116.                                   Validators.stringNotNullOrEmpty(value.currentItems?[index].quantity?.formatNumtoStringDecimal() ?? '0')

  117.                                       ? Flexible(

  118.                                           child: Text(

  119.                                               "${value.currentItems?[index].quantity?.formatNumtoStringDecimal() ?? ""} ${value.currentItems?[index].supplyUnit ?? ""}"))

  120.                                       : SizedBox(),

  121.                                   Validators.stringNotNullOrEmpty(value.currentItems?[index].equipmentName ?? '')

  122.                                       ? Flexible(child: Text("${value.currentItems?[index].equipmentName ?? ""}"))

  123.                                       : SizedBox(),

  124.                                   Validators.stringNotNullOrEmpty(value.currentItems?[index].howToUse ?? '')

  125.                                       ? Flexible(child: Text("${value.currentItems?[index].howToUse ?? ""}"))

  126.                                       : SizedBox(),

  127.                                 ],

  128.                               ),

  129.                             ),

  130.                           )),

  131.                           Positioned(

  132.                             top: -10,

  133.                             right: -10,

  134.                             child: IconButton(

  135.                                 icon: Icon(

  136.                                   Icons.cancel,

  137.                                   color: Colors.redAccent,

  138.                                 ),

  139.                                 onPressed: () {

  140.                                   changeSupplyUsing.deleteSupply(index);

  141.                                 }),

  142.                           )

  143.                         ],

  144.                       )));

  145.                 }));

  146.       }

  147.     });

  148.   }

  149. 

  150.   Widget _btnSelectSubstrates() {

  151.     return GetBuilder<ChangeSupply>(builder: (data) {

  152.       return TextButton(onPressed: () {

  153.         var currentIndexEdit = changeSupplyUsing.currentIndex;

  154.         Navigator.of(context)

  155.             .push(MaterialPageRoute(

  156.                 builder: (_) => ResourceHelperScreen(

  157.                       titleName: "Phân bón",

  158.                       type: ConstCommon.supplyTypeDung,

  159.                       selectedId: changeSelectedSupply.selectedSupplyId ?? -1,

  160.                       currentItems: changeSupplyUsing.currentItems ?? [],

  161.                       currentEditId:

  162.                           ((currentIndexEdit ?? 0) >= 0) ? changeSupplyUsing.currentItems![currentIndexEdit!].tbSuppliesInWarehouseId ?? -1 : -1,

  163.                     ),

  164.                 fullscreenDialog: false))

  165.             .then((value) {

  166.           if (value != null) {

  167.             var result = value as Supply;

  168.             changeSelectedSupply.change(result);

  169.             changeUnit.updateListByUnitName(result.unit ?? '');

  170.             changeFormField.change(true);

  171.           }

  172.         });

  173.       }, child: GetBuilder<ChangeSupply>(builder: (_) {

  174.         var isValid = changeSelectedSupply.isValid;

  175.         return Column(

  176.           crossAxisAlignment: CrossAxisAlignment.start,

  177.           children: [

  178.             Container(

  179.                 padding: EdgeInsets.only(top: 0.0, right: 0.0, bottom: 10.5, left: 0.0),

  180.                 decoration: BoxDecoration(

  181.                   border: Border(bottom: BorderSide(width: 1, color: (isValid ?? false) ? Colors.grey : Colors.red)),

  182.                 ),

  183.                 child: Column(

  184.                   crossAxisAlignment: CrossAxisAlignment.start,

  185.                   children: [

  186.                     Validators.stringNotNullOrEmpty(changeSelectedSupply.selectedSupplyName ?? '')

  187.                         ? Text(

  188.                             'Tên thương mại *',

  189.                             style:

  190.                                 TextStyle(fontSize: 13, fontWeight: FontWeight.normal, color: (isValid ?? false) ? Colors.black54 : Colors.red[600]),

  191.                           )

  192.                         : Text(

  193.                             '',

  194.                             style:

  195.                                 TextStyle(fontSize: 13, fontWeight: FontWeight.normal, color: (isValid ?? false) ? Colors.black54 : Colors.red[600]),

  196.                           ),

  197.                     Row(

  198.                       children: [

  199.                         Expanded(

  200.                           child: Validators.stringNotNullOrEmpty(changeSelectedSupply.selectedSupplyName ?? '')

  201.                               ? Text(changeSelectedSupply.selectedSupplyName ?? '', style: TextStyle(fontSize: 14.0, color: Colors.black87))

  202.                               : Text("Tên thương mại*", style: TextStyle(fontSize: 14.0, color: Colors.black54)),

  203.                         ),

  204.                         Icon(

  205.                           Icons.arrow_drop_down,

  206.                           color: Colors.grey,

  207.                         ),

  208.                       ],

  209.                     )

  210.                   ],

  211.                 )),

  212.             (isValid ?? false) ? SizedBox() : WidgetErrorTextField()

  213.           ],

  214.         );

  215.       }));

  216.     });

  217.   }

  218. 

  219.   Widget _btnSelectDevice() {

  220.     return GetBuilder<ChangeDevice>(builder: (data) {

  221.       return TextButton(

  222.           onPressed: () {

  223.             Navigator.of(context)

  224.                 .push(MaterialPageRoute(

  225.                     builder: (_) => ListDeviceActivity(selectedId: changeSelectedDevice.selectedDeviceId ?? -1), fullscreenDialog: false))

  226.                 .then((value) {

  227.               if (value != null) {

  228.                 var result = value as Device;

  229.                 changeSelectedDevice.change(result);

  230.                 changeFormField.change(true);

  231.               }

  232.             });

  233.           },

  234.           child: Container(

  235.               padding: EdgeInsets.only(top: 0.0, right: 0.0, bottom: 10.5, left: 0.0),

  236.               decoration: BoxDecoration(

  237.                 border: kBorderTextField,

  238.               ),

  239.               child: Column(

  240.                 crossAxisAlignment: CrossAxisAlignment.start,

  241.                 children: [

  242.                   Validators.stringNotNullOrEmpty(changeSelectedDevice.selectedDeviceName ?? '')

  243.                       ? Text(

  244.                           'Thiết bị',

  245.                           style: TextStyle(fontSize: 13, fontWeight: FontWeight.normal, color: Colors.black54),

  246.                         )

  247.                       : Text(

  248.                           '',

  249.                           style: TextStyle(fontSize: 13, fontWeight: FontWeight.normal, color: Colors.black54),

  250.                         ),

  251.                   Row(

  252.                     children: [

  253.                       GetBuilder<ChangeSupply>(

  254.                           builder: (_) => Expanded(

  255.                                 child: Validators.stringNotNullOrEmpty(changeSelectedDevice.selectedDeviceName ?? '')

  256.                                     ? Text(changeSelectedDevice.selectedDeviceName ?? '', style: TextStyle(fontSize: 14.0, color: Colors.black87))

  257.                                     : Text("Thiết bị", style: TextStyle(fontSize: 14.0, color: Colors.black54)),

  258.                               )),

  259.                       Icon(

  260.                         Icons.arrow_drop_down,

  261.                         color: Colors.grey,

  262.                       ),

  263.                     ],

  264.                   ),

  265.                 ],

  266.               )));

  267.     });

  268.   }

  269. 

  270.   Widget _dropdownUnitTypes() {

  271.     return GetBuilder<ChangeUnit>(builder: (data) {

  272.       return DropdownButtonFormField<String>(

  273.         itemHeight: 100,

  274.         value: !Validators.stringNotNullOrEmpty(data.selectedUnit ?? '') ? null : data.selectedUnit,

  275.         items: data.currentUnits!

  276.             .map((label) => DropdownMenuItem(

  277.                   child: Text(label),

  278.                   value: label,

  279.                 ))

  280.             .toList(),

  281.         onChanged: (value) {

  282.           var currentQuantity = _quantityController.text;

  283.           num assignValue = currentQuantity.parseDoubleThousand();

  284.           if (assignValue != null) {

  285.             var oldSelected = data.selectedUnit;

  286.             if (oldSelected == value) {

  287.             } else {

  288.               assignValue = UtilAction.convertUnit(

  289.                 inputValue: assignValue,

  290.                 oldUnit: oldSelected ?? '',

  291.                 newUnit: value ?? '',

  292.               );

  293.             }

  294.             _quantityController.text = assignValue.formatNumtoStringDecimal();

  295.           }

  296.           changeUnit.updateSelected(value ?? '');

  297.         },

  298.       );

  299.     });

  300.   }

  301. 

  302.   _quantityField() {

  303.     return WidgetTextFormFieldNumber(

  304.       hintValue: "Tổng lượng sử dụng *",

  305.       labelText: "Tổng lượng sử dụng *",

  306.       textController: _quantityController,

  307.       validator: (String? value) {

  308.         return Validators.validateNotNullOrEmpty(value ?? '', label_validate_input_empty);

  309.       },

  310.       onChanged: (value) {

  311.         if (!Validators.stringNotNullOrEmpty(value ?? '') &&

  312.             !Validators.stringNotNullOrEmpty(_howToUseController.text) &&

  313.             !Validators.stringNotNullOrEmpty(_dosageController.text) &&

  314.             (Get.find<ChangeSupply>().selectedSupplyId ?? -1) <= 0 &&

  315.             (changeSelectedDevice.selectedDeviceId ?? -1) <= 0) {

  316.           changeFormField.change(false);

  317.         } else {

  318.           changeFormField.change(true);

  319.         }

  320.       },

  321.     );

  322.   }

  323. 

  324.   _buttonInForm() {

  325.     return GetBuilder<ChangeButtonInForm>(builder: (_) {

  326.       return Row(

  327.         mainAxisAlignment: MainAxisAlignment.spaceBetween,

  328.         children: [

  329.           _.isEdit ?? false

  330.               ? TextButton(

  331.                   child: Text("Huỷ"),

  332.                   onPressed: () {

  333.                     changeButton.resetValue();

  334.                     _resetForm();

  335.                     _hidenKeyboard(context);

  336.                   })

  337.               : SizedBox(),

  338.           _.isEdit ?? false

  339.               ? Expanded(

  340.                   child: TextButton(

  341.                       onPressed: () {

  342.                         if (_formSupplyKey.currentState!.validate()) {

  343.                           _formSupplyKey.currentState!.save();

  344.                           if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {

  345.                             changeSelectedSupply.changeValid(false);

  346.                           } else {

  347.                             changeSelectedSupply.changeValid(true);

  348.                           }

  349.                           var currentSupply = changeSelectedSupply.currentSupply;

  350.                           var currentDevice = changeSelectedDevice.currentDevice;

  351.                           var currentQuantity = _quantityController.text.parseDoubleThousand();

  352.                           if (currentSupply?.id != null && (currentQuantity ?? 0) > 0) {

  353.                             var quantityWithCurrentSupplyUnit = UtilAction.convertUnit(

  354.                               inputValue: currentQuantity,

  355.                               oldUnit: changeUnit.selectedUnit ?? '',

  356.                               newUnit: changeSelectedSupply.currentSupply?.unit ?? '',

  357.                             );

  358.                             SuppliesUsing newSup = SuppliesUsing()

  359.                               ..dosage = _dosageController.text

  360.                               ..howToUse = _howToUseController.text

  361.                               ..quantity = quantityWithCurrentSupplyUnit

  362.                               ..tbSuppliesInWarehouseId = currentSupply?.id

  363.                               ..suppliesInWarehouseId = currentSupply?.id

  364.                               ..supplyName = currentSupply?.tbSuppliesName

  365.                               ..tbEquipmentOfCustomerId = currentDevice?.id ?? -1

  366.                               ..equipmentOfCustomerId = currentDevice?.id ?? -1

  367.                               ..equipmentName = currentDevice?.name ?? ''

  368.                               ..supplyUnit = currentSupply?.unit

  369.                               ..unit = currentSupply?.unit;

  370.                             changeSupplyUsing.editSupply(changeSupplyUsing.currentIndex ?? -1, newSup);

  371.                             _resetForm();

  372.                             _hidenKeyboard(context);

  373.                           } else if (currentSupply?.id == null || ((currentQuantity ?? 0) <= 0)) {

  374.                             Utils.showSnackBarWarning(message: "Vui lòng nhập vật tư và số lượng");

  375.                           }

  376.                         } else {

  377.                           Utils.showSnackBarWarning(message: "Vui lòng nhập vật tư và số lượng");

  378.                           if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {

  379.                             changeSelectedSupply.changeValid(false);

  380.                           } else {

  381.                             changeSelectedSupply.changeValid(true);

  382.                           }

  383.                         }

  384.                       },

  385.                       child: Text(

  386.                         "Sửa phân bón",

  387.                         style: TextStyle(color: Colors.blue),

  388.                       )),

  389.                 )

  390.               : Expanded(

  391.                   child: TextButton(

  392.                       onPressed: () {

  393.                         if (_formSupplyKey.currentState!.validate()) {

  394.                           _formSupplyKey.currentState!.save();

  395.                           if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {

  396.                             changeSelectedSupply.changeValid(false);

  397.                           } else {

  398.                             changeSelectedSupply.changeValid(true);

  399.                           }

  400.                           var currentSupply = changeSelectedSupply.currentSupply;

  401.                           var currentDevice = changeSelectedDevice.currentDevice;

  402.                           var currentQuantity = _quantityController.text.parseDoubleThousand();

  403.                           if (currentSupply?.id != null && (currentQuantity ?? 0) > 0) {

  404.                             var quantityWithCurrentSupplyUnit = UtilAction.convertUnit(

  405.                               inputValue: currentQuantity,

  406.                               oldUnit: changeUnit.selectedUnit ?? '',

  407.                               newUnit: changeSelectedSupply.currentSupply?.unit ?? '',

  408.                             );

  409.                             SuppliesUsing newSup = SuppliesUsing()

  410.                               ..dosage = _dosageController.text

  411.                               ..howToUse = _howToUseController.text

  412.                               ..quantity = quantityWithCurrentSupplyUnit

  413.                               ..tbSuppliesInWarehouseId = currentSupply?.id

  414.                               ..suppliesInWarehouseId = currentSupply?.id

  415.                               ..supplyName = currentSupply?.tbSuppliesName

  416.                               ..supplyUnit = currentSupply?.unit

  417.                               ..tbEquipmentOfCustomerId = currentDevice?.id ?? -1

  418.                               ..equipmentOfCustomerId = currentDevice?.id ?? -1

  419.                               ..equipmentName = currentDevice?.name

  420.                               ..unit = currentSupply?.unit;

  421.                             changeSupplyUsing.addSupply(newSup);

  422.                             _resetForm();

  423.                             _hidenKeyboard(context);

  424.                           } else if (currentSupply?.id == null || ((currentQuantity ?? 0) <= 0)) {

  425.                             Utils.showSnackBarWarning(message: "Vui lòng nhập vật tư và số lượng");

  426.                           }

  427.                         } else {

  428.                           Utils.showSnackBarWarning(message: "Vui lòng nhập vật tư và số lượng");

  429.                           if ((changeSelectedSupply.selectedSupplyId ?? -1) <= 0) {

  430.                             changeSelectedSupply.changeValid(false);

  431.                           } else {

  432.                             changeSelectedSupply.changeValid(true);

  433.                           }

  434.                           //

  435.                         }

  436.                       },

  437.                       child: Text(

  438.                         "+ Thêm phân bón",

  439.                         style: TextStyle(color: Colors.blue),

  440.                       )),

  441.                 )

  442.         ],

  443.       );

  444.     });

  445.   }

  446. 

  447.   Widget _formEdit() {

  448.     return Form(

  449.       key: _formSupplyKey,

  450.       child: Column(

  451.         children: [

  452.           Container(

  453.             padding: EdgeInsets.all(8.0),

  454.             margin: EdgeInsets.all(8.0),

  455.             decoration: BoxDecoration(

  456.               shape: BoxShape.rectangle,

  457.               borderRadius: BorderRadius.circular(10),

  458.               color: Colors.white,

  459.               border: Border.all(color: Colors.grey),

  460.             ),

  461.             child: Column(

  462.               children: [

  463.                 _btnSelectSubstrates(),

  464.                 TextFormField(

  465.                   keyboardType: TextInputType.text,

  466.                   controller: _dosageController,

  467.                   decoration: InputDecoration(labelText: "Liều lượng sử dụng"),

  468.                   onSaved: (newValue) {},

  469.                   onChanged: (value) {

  470.                     if (!Validators.stringNotNullOrEmpty(_quantityController.text) &&

  471.                         !Validators.stringNotNullOrEmpty(_howToUseController.text) &&

  472.                         !Validators.stringNotNullOrEmpty(value) &&

  473.                         (Get.find<ChangeSupply>().selectedSupplyId ?? -1) <= 0 &&

  474.                         (changeSelectedDevice.selectedDeviceId ?? -1) <= 0) {

  475.                       changeFormField.change(false);

  476.                     } else {

  477.                       changeFormField.change(true);

  478.                     }

  479.                   },

  480.                 ),

  481.                 Row(

  482.                     mainAxisSize: MainAxisSize.min,

  483.                     mainAxisAlignment: MainAxisAlignment.spaceEvenly,

  484.                     crossAxisAlignment: CrossAxisAlignment.center,

  485.                     children: [

  486.                       Expanded(

  487.                         flex: 2,

  488.                         child: Container(

  489.                           height: 82,

  490.                           child: _quantityField(),

  491.                         ),

  492.                       ),

  493.                       SizedBox(

  494.                         width: 16.0,

  495.                       ),

  496.                       Expanded(

  497.                           flex: 1,

  498.                           child: Align(

  499.                             alignment: Alignment.bottomCenter,

  500.                             child: _dropdownUnitTypes(),

  501.                           )),

  502.                     ]),

  503.                 _btnSelectDevice(),

  504.                 TextFormField(

  505.                   keyboardType: TextInputType.text,

  506.                   controller: _howToUseController,

  507.                   decoration: InputDecoration(labelText: "Phương pháp sử dụng"),

  508.                   onSaved: (newValue) {},

  509.                   onChanged: (value) {

  510.                     if (!Validators.stringNotNullOrEmpty(_quantityController.text) &&

  511.                         !Validators.stringNotNullOrEmpty(value) &&

  512.                         !Validators.stringNotNullOrEmpty(_dosageController.text) &&

  513.                         (Get.find<ChangeSupply>().selectedSupplyId ?? -1) <= 0 &&

  514.                         (changeSelectedDevice.selectedDeviceId ?? -1) <= 0) {

  515.                       changeFormField.change(false);

  516.                     } else {

  517.                       changeFormField.change(true);

  518.                     }

  519.                   },

  520.                 ),

  521.               ],

  522.             ),

  523.           ),

  524.           _buttonInForm()

  525.         ],

  526.       ),

  527.     );

  528.   }

  529. 

  530.   _resetForm() {

  531.     changeSupplyUsing.changeIndexEdit(-1);

  532.     changeButton.resetValue();

  533.     _dosageController.text = "";

  534.     _howToUseController.text = "";

  535.     _quantityController.text = "";

  536.     changeUnit.initValue();

  537.     changeSelectedSupply.initValue();

  538.     changeSelectedDevice.initValue();

  539.     changeFormField.change(false);

  540.   }

  541. 

  542.   _hidenKeyboard(BuildContext context) {

  543.     FocusScopeNode currentFocus = FocusScope.of(context);

  544.     if (!currentFocus.hasPrimaryFocus) {

  545.       currentFocus.unfocus();

  546.     }

  547.   }

  548. 

  549.   @override

  550.   Widget build(BuildContext context) {

  551.     return Column(

  552.       children: [

  553.         Padding(

  554.           padding: const EdgeInsets.all(8.0),

  555.           child: Align(

  556.             alignment: Alignment.centerLeft,

  557.             child: Text(

  558.               'Phân bón',

  559.               style: TextStyle(color: Colors.black54, fontSize: 14),

  560.             ),

  561.           ),

  562.         ),

  563.         _buildListSupply(),

  564.         SizedBox(

  565.           height: 8.0,

  566.         ),

  567.         _formEdit(),

  568.         SizedBox(

  569.           height: 8.0,

  570.         ),

  571.       ],

  572.     );

  573.   }

  574. }