date picker button component

lib/widgets/date_picker_button.dart

@@ -0,0 +1,68 @@
+import 'package:didvan/config/design_config.dart';
+import 'package:didvan/config/theme_data.dart';
+import 'package:didvan/utils/date_time.dart';
+import 'package:didvan/widgets/didvan/text.dart';
+import 'package:flutter/material.dart';
+import 'package:persian_number_utility/persian_number_utility.dart';
+
+class DatePickerButton extends StatefulWidget {
+  final String? initialValue;
+  final String? emptyText;
+  final void Function(String? date) onPicked;
+  final String? firstDate;
+  final String? lastDate;
+  const DatePickerButton({
+    Key? key,
+    this.initialValue,
+    required this.onPicked,
+    this.firstDate,
+    this.lastDate,
+    this.emptyText,
+  }) : super(key: key);
+
+  @override
+  State<DatePickerButton> createState() => _DatePickerButtonState();
+}
+
+class _DatePickerButtonState extends State<DatePickerButton> {
+  String? pickedDate;
+
+  @override
+  void initState() {
+    pickedDate = widget.initialValue;
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Expanded(
+      child: GestureDetector(
+        onTap: () async {
+          pickedDate = await DateTimeUtils.showDatePicker(
+            initialDate: pickedDate,
+            startDate: widget.firstDate,
+            endDate: widget.lastDate,
+          );
+          if (pickedDate == null) {
+            return;
+          }
+          setState(() {});
+          widget.onPicked(pickedDate);
+        },
+        child: Container(
+          padding: const EdgeInsets.all(12),
+          decoration: BoxDecoration(
+            color: Theme.of(context).colorScheme.splash,
+            borderRadius: DesignConfig.lowBorderRadius,
+            border: Border.all(color: Theme.of(context).colorScheme.border),
+          ),
+          child: DidvanText(
+            pickedDate == null
+                ? widget.emptyText ?? 'تاریخ'
+                : pickedDate!.toPersianDate(),
+          ),
+        ),
+      ),
+    );
+  }
+}