Custom Date Picker

A fully customizable date picker for Flutter that supports both Jalali and Gregorian calendars.
Now includes a new Simple Date Picker mode with Cupertino-style scrolling wheels.

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Features

• Dual Calendar Support: Switch seamlessly between Jalali (Persian) and Gregorian calendars.

• Single or Range Selection:

  • Single Date: Choose one date.
  • Range: Select a start and end date.

• Multiple Picker Modes:

  • Complex Mode: Full-featured month grid picker (single or range).
  • Simple Mode: Minimalist Cupertino-style scroll picker.

• Customizable Appearance:

  • Modify colors, borders, day items, and more to match your theme.

• Dynamic Prices: Display additional data, like prices, for specific days.

• Mode Interchangeability: Toggle between single and range modes dynamically.

• Today Button: Quickly jump to the current date.

• Next/Previous Navigation: Navigate through months with ease.

• Custom Day Items: Define your own day widgets for selected, unselected, disabled, and current days.

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Installation

Add this package to your pubspec.yaml:

dependencies:
   dual_custom_date_picker: ^1.3.0

Then run:

flutter pub get

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Usage

🆕 Simple Date Picker (Minimal Mode)

Overview

A lightweight, scroll-based date selector built with Cupertino pickers. Perfect for dialogs, forms, and birthdate selection.

Example

import 'package:dual_custom_date_picker/dual_custom_date_picker.dart';

SimpleDatePicker(
  currentMonth: DateTime.now(),
  initialDate: DateTime(1900, 1, 1),
  lastDate: DateTime.now(),
  pickerType: PickerType.jalali, // or PickerType.dateTime
  selectedItemBackgroundColor: Colors.grey, // optional highlight border color
  selectedItemStyle: const TextStyle(
    fontWeight: FontWeight.bold,
    color: Colors.deepOrange,
  ),
  itemStyle: const TextStyle(color: Colors.black87),
  selectDateButtonText: const Text('انتخاب تاریخ'),
  selectDateButtonStyle: ButtonStyle(
    backgroundColor: WidgetStatePropertyAll(Colors.deepOrange),
  ),
  clearDateButton: OutlinedButton(
    onPressed: () {},
    child: const Text('حذف'),
  ),
  onDateSelected: (selected) {
    print('Selected date: $selected');
  },
)

Features

• Three synchronized wheels (Year, Month, Day).

• Fully localized (Jalali and Gregorian).

• initialDate and lastDate limit the scrollable range.

• Style customization:

  • selectedItemStyle, itemStyle, selectedItemBackgroundColor
  • selectDateButtonText, clearDateButton
  • itemHeight for picker height control.

• Ideal for small-space date inputs.

Props & Configuration

Name	Type	Description
datePickerMode	PickerMode	Picker mode: single or range.
datePickerType	PickerType	Calendar type: jalali or dateTime.
onDateSelected	Function(DateTime?)	Callback for single date selection.
initialDate	DateTime?	Minimum selectable date.
lastDate	DateTime?	Maximum selectable date.
currentMonth	DateTime?	Initial month displayed.
selectedItemStyle	TextStyle?	Style for the selected item in Simple Picker.
itemStyle	TextStyle?	Default item text style.
selectedItemBackgroundColor	Color?	Highlight color or border color of selected item.
selectDateButtonText	Widget?	Custom widget for the “Select” button text.
selectDateButtonStyle	ButtonStyle?	Button style for “Select” button.
clearDateButton	Widget?	Optional button to clear the selection.
itemHeight	double?	Height of each picker column.

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📸 Screenshots

Simple Date Picker

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📅 Complex Date Picker (Grid Mode)

import 'package:custom_date_picker/custom_date_picker.dart';

CustomDatePicker(
  onDateSelected: (selectedDate) {
    print('Selected Date: $selectedDate');
  },
  datePickerMode: PickerMode.single,
  datePickerType: PickerType.jalali, // or PickerType.dateTime for Gregorian
)

Range Selection Example

CustomDatePicker(
  datePickerMode: PickerMode.range,
  rangeDates: (null, null), // Initial range dates
  onRangeDateSelected: (startDate, endDate) {
    print('Start Date: $startDate');
    print('End Date: $endDate');
  },
)

Advanced Example with Customization

CustomDatePicker(
  currentMonth: DateTime.now(),
  initialDate: DateTime(2023, 1, 1),
  lastDate: DateTime(2024, 12, 31),
  onFetchPrices: (month) {
    print('Fetch prices for: $month');
  },
  prices: ['\$100', '\$120', '\$90'], // Example prices
  datePickerType: PickerType.jalali,
  selectedDayColor: Colors.blue,
  primaryColor: Colors.orange,
  needToShowTodayButton: true,
  needToShowChangeCalenderMode: true,
  onDateSelected: (date) {
    print('Selected Date: $date');
  },
  onRangeDateSelected: (start, end) {
    print('Selected Range: $start to $end');
  },
  onChangePickerMode: (newMode) {
    print('Changed mode to: $newMode');
  },
)

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Props & Configuration

Required Parameters

Name	Type	Description
onDateSelected	Function(DateTime?)	Callback for a single date selection.
datePickerMode	PickerMode	Selection mode: single or range.
datePickerType	PickerType	Calendar type: jalali or dateTime.

Optional Parameters

Name	Type	Description
currentMonth	DateTime?	Initial month to display.
initialDate	DateTime?	Minimum selectable date.
lastDate	DateTime?	Maximum selectable date.
rangeDates	(DateTime?, DateTime?)?	Initial start and end dates for range.
onRangeDateSelected	Function(DateTime?, DateTime?)?	Callback for range date selection.
onChangePickerMode	Function(PickerMode)?	Callback when the selection mode changes.
prices	List<String>?	Additional data for days (e.g., prices).
onFetchPrices	Function(DateTime)?	Fetch prices when the month changes.

Appearance Customization

Name	Type	Description
selectedDayColor	Color?	Background color for the selected day.
currentDayColor	Color?	Background color for the current day.
defaultDayColor	Color?	Default day background color.
primaryColor	Color?	Primary color for buttons and icons.
textColor	Color?	Default text color.

📸 Screenshots

Complex Date Picker

Single Date Picker	Range Date Picker

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Additional Features

• Custom Day Widgets: Override default day widgets with DayItemSection.
• Multi-language Support: Adjusts text direction for RTL (e.g., Persian) or LTR (e.g., English).

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License

This project is licensed under the MIT License. See the LICENSE file for details.