excel_import/lib/components/date_picker.dart

import 'package:calendar_date_picker2/calendar_date_picker2.dart';
import 'package:date_format/date_format.dart';
import 'package:flutter/material.dart';

class VDatePicker extends StatefulWidget {
  final DateTime? value;
  final ValueChanged<DateTime>? onChanged;

  const VDatePicker({super.key, this.value, this.onChanged});

  @override
  State<StatefulWidget> createState() => _DatePickerState();
}

class _DatePickerState extends State<VDatePicker> {
  late DateTime currentDate;

  @override
  void initState() {
    if (widget.value == null) {
      final now = DateTime.now();
      currentDate = DateTime(now.year, now.month, now.day);
    } else {
      currentDate = widget.value!;
    }

    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    final dateStr = formatDate(currentDate, ["yyyy", "-", "mm", "-", "dd"]);
    return Material(
      child: Ink(
        child: InkWell(
          onTap: () async {
            var results = await showCalendarDatePicker2Dialog(
              context: context,
              config: CalendarDatePicker2WithActionButtonsConfig(
                calendarType: CalendarDatePicker2Type.single,
              ),
              dialogBackgroundColor: Colors.white,
              dialogSize: const Size(325, 400),
              value: [
                currentDate,
              ],
              borderRadius: BorderRadius.circular(4),
            );
            if (results != null &&
                results.isNotEmpty &&
                results.first != null) {
              setState(() {
                currentDate = results.first!;
                widget.onChanged?.call(currentDate);
              });
            }
          },
          child: Container(
            // height: 38,
            alignment: Alignment.centerLeft,
            padding: const EdgeInsets.symmetric(horizontal: 8),
            decoration: BoxDecoration(
              border: Border.all(color: Colors.grey),
              borderRadius: BorderRadius.zero,
            ),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Text(
                  dateStr,
                  style: const TextStyle(color: Colors.black, fontSize: 16),
                ),
                const Icon(
                  Icons.calendar_month_outlined,
                  color: Colors.grey,
                  size: 18,
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}