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# Date Range Picker for Bootstrap

This date range picker component for Bootstrap creates a dropdown menu from which a user can select a range of dates. I created it while building the UI for Improvely, which needed a way to select date ranges for reports.

If invoked with no options, it will present two calendars to choose a start and end date from. Optionally, you can provide a list of date ranges the user can select from instead of choosing dates from the calendars. If attached to a text input, the selected dates will be inserted into the text box. Otherwise, you can provide a custom callback function to receive the selection.

The component can also be used as a single date picker by setting the `singleDatePicker` option to `true`.

View a demo or Try it in a live application

## Usage

This component relies on Bootstrap, Moment.js and jQuery.

Separate stylesheets are included for use with Bootstrap 2 or Bootstrap 3.

Basic usage:

    <script type="text/javascript" src="jquery.js"></script>
    <script type="text/javascript" src="moment.js"></script>
    <script type="text/javascript" src="daterangepicker.js"></script>
    <link rel="stylesheet" type="text/css" href="bootstrap.css" />
    <link rel="stylesheet" type="text/css" href="daterangepicker-bs3.css" />

    <script type="text/javascript">
    $(document).ready(function() {
      $('input[name="daterange"]').daterangepicker();
    });
    </script>

The constructor also takes an optional options object and callback function. The function will be called whenever the selected date range has been changed by the user, and is passed the start and end dates (moment date objects) and the predefined range label chosen (if any), as parameters. It will not fire if the picker is closed without any change to the selected dates.

    $('input[name="daterange"]').daterangepicker(
      {
        format: 'YYYY-MM-DD',
        startDate: '2013-01-01',
        endDate: '2013-12-31'
      },
      function(start, end, label) {
        alert('A date range was chosen: ' + start.format('YYYY-MM-DD') + ' to ' + end.format('YYYY-MM-DD'));
      }
    );

## Options

`startDate`: (Date object, moment object or string) The start of the initially selected date range

`endDate`: (Date object, moment object or string) The end of the initially selected date range

`minDate`: (Date object, moment object or string) The earliest date a user may select

`maxDate`: (Date object, moment object or string) The latest date a user may select

`dateLimit`: (object) The maximum span between the selected start and end dates. Can have any property you can add to a moment object (i.e. days, months)

`showDropdowns`: (boolean) Show year and month select boxes above calendars to jump to a specific month and year

`showWeekNumbers`: (boolean) Show week numbers at the start of each week on the calendars

`timePicker`: (boolean) Allow selection of dates with times, not just dates

`timePickerIncrement`: (number) Increment of the minutes selection list for times (i.e. 30 to allow only selection of times ending in 0 or 30)

`timePicker12Hour`: (boolean) Use 12-hour instead of 24-hour times, adding an AM/PM select box

`ranges`: (object) Set predefined date ranges the user can select from. Each key is the label for the range, and its value an array with two dates representing the bounds of the range

`opens`: (string: 'left'/'right') Whether the picker appears aligned to the left or to the right of the HTML element it's attached to

`buttonClasses`: (array) CSS class names that will be added to all buttons in the picker

`applyClass`: (string) CSS class string that will be added to the apply button

`cancelClass`: (string) CSS class string that will be added to the cancel button

`format`: (string) Date/time format string used by moment when parsing or displaying the selected dates

`separator`: (string) Separator string to display between the start and end date when populating a text input the picker is attached to

`locale`: (object) Allows you to provide localized strings for buttons and labels, and the first day of week for the calendars

`singleDatePicker`: (boolean) Show only a single calendar to choose one date, instead of a range picker with two calendars; the start and end dates provided to your callback will be the same single date chosen

`parentEl`: (string) jQuery selector of the parent element that the date range picker will be added to, if not provided this will be `'body'`

## Functions

Several functions are provided for updating the picker's option and state after initialization:

`setOptions(object, function)`: This function has the same signature and purpose as the date range picker's constructor: it sets the picker's options to their defaults, overrides them with any values in an options object you provide, and sets the callback for selection changes to whatever function you provide

`setStartDate(Date/moment/string)`: Sets the date range picker's currently selected start date to the provided date

`setEndDate(Date/moment/string)`: Sets the date range picker's currently selected end date to the provided date

Example usage:

    //create a new date range picker
    $('#daterange').daterangepicker({ startDate: '2014-03-05', endDate: '2014-03-06' });

    //change the selected date range of that picker
    $('#daterange').data('daterangepicker').setStartDate('2014-03-01');
    $('#daterange').data('daterangepicker').setEndDate('2014-03-31');

## Events

Several events are triggered on the element you attach the picker to, which you can listen for:

`show.daterangepicker`: Triggered when the picker is shown

`hide.daterangepicker`: Triggered when the picker is hidden

`apply.daterangepicker`: Triggered when the apply button is clicked

`cancel.daterangepicker`: Triggered when the cancel button is clicked

Some applications need a "clear" instead of a "cancel" functionality, which can be achieved by changing the button label and watching for the cancel event:

    $('#daterange').daterangepicker({
      locale: { cancelLabel: 'Clear' }
    });

    $('#daterange').on('cancel.daterangepicker', function(ev, picker) {
      //do something, like clearing an input
      $('#daterange').val('');
    });

While passing in a callback to the constructor is the easiest way to listen for changes in the selected date range, you can also do something every time the apply button is clicked even if the selection hasn't changed:

    $('#daterange').daterangepicker();
    $('#daterange').on('apply.daterangepicker', function(ev, picker) {
      console.log(picker.startDate.format('YYYY-MM-DD'));
      console.log(picker.endDate.format('YYYY-MM-DD'));
    });

## License

This code is made available under the same license as Bootstrap. Moment.js is included in this repository for convenience. It is available under the MIT license.

--

Copyright 2012-2014 Dan Grossman

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.