mobile-app/lib/presentation/custom_widgets/widget_field_time_picker.dart

import 'package:farm_tpf/utils/const_style.dart';
import 'package:flutter/material.dart';
import 'package:flutter_datetime_picker/flutter_datetime_picker.dart';
import 'package:farm_tpf/utils/formatter.dart';
import 'package:get/get.dart';
import 'package:get/state_manager.dart';

class WidgetFieldDateTimePicker extends StatefulWidget {
  final DateTime initDateTime;
  final Function(DateTime selectedDateTimeLocal) onUpdateDateTime;
  WidgetFieldDateTimePicker({
    required this.initDateTime,
    required this.onUpdateDateTime,
  });
  @override
  _WidgetFieldDateTimePickerState createState() => _WidgetFieldDateTimePickerState();
}

class _WidgetFieldDateTimePickerState extends State<WidgetFieldDateTimePicker> {
  var changeDate = Get.put(ChangeDateTimePicker());
  @override
  void initState() {
    super.initState();
    changeDate.initValue(selectedDate: widget.initDateTime);
    widget.onUpdateDateTime(changeDate.selectedDateTime ?? DateTime.now());
  }

  @override
  Widget build(BuildContext context) {
    return GetBuilder<ChangeDateTimePicker>(
        init: changeDate,
        builder: (value) {
          return TextButton(
              onPressed: () {
                DatePicker.showDateTimePicker(context, showTitleActions: true, onChanged: (date) {}, onConfirm: (date) {
                  changeDate.change(date);
                  widget.onUpdateDateTime(date);
                }, currentTime: value.selectedDateTime, locale: LocaleType.vi);
              },
              child: Container(
                  padding: EdgeInsets.only(top: 0.0, right: 0.0, bottom: 10.5, left: 0.0),
                  decoration: BoxDecoration(
                    border: kBorderTextField,
                  ),
                  child: Row(
                    children: [
                      Expanded(
                          child: Text(
                        value.selectedDateTime?.displayDateTime_DDMMYYYY_HHmm() ?? '',
                        style: TextStyle(fontSize: 14.0, color: Colors.black87),
                      )),
                      Icon(
                        Icons.date_range,
                        color: Colors.grey,
                      ),
                    ],
                  )));
        });
  }
}

class ChangeDateTimePicker extends GetxController {
  DateTime? selectedDateTime;
  initValue({DateTime? selectedDate}) {
    selectedDateTime = selectedDate ?? DateTime.now();
    update();
  }

  change(DateTime dateTime) {
    selectedDateTime = dateTime;
    update();
  }
}