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Mishoo JSCalendar, packaged for use by plugins, skins and add-ons.

Summary of Contents

This module packages the Mishoo JSCalendar Javascript in a form suitable for use with TWiki.

Detailed Documentation

Read the Mishoo documentation or visit the demo page for detailed information on using the calendar widget.

This package also includes a small Perl module to make using the calendar easier from TWiki plugins. This module includes the functions:

TWiki::Contrib::JSCalendarContrib::renderDateForEdit($name, $value, $format [, \%cssClass]) -> $html

This is the simplest way to use calendars from a plugin.

  • $name is the name of the CGI parameter for the calendar (it should be unique),
  • $value is the current value of the parameter (may be undef)
  • $format is the format to use (optional; the default is set in configure). The HTML returned will display a date field and a drop-down calendar.
  • \%options is an optional hash containing base options for the textfield.
use TWiki::Contrib::JSCalendarContrib;
my $fromDate = TWiki::Contrib::JSCalendarContrib::renderDateForEdit(
   'from', '1 April 1999');
my $toDate = TWiki::Contrib::JSCalendarContrib::renderDateForEdit(
   'to', undef, '%Y');


This function will automatically add the headers for the calendar to the page being rendered. It's intended for use when you want more control over the formatting of your calendars than renderDateForEdit affords. $setup is the name of the calendar setup module; it can either be omitted, in which case the method described in the Mishoo documentation can be used to create calendars, or it can be 'twiki', in which case a Javascript helper function called 'showCalendar' is added that simplifies using calendars to set a value in a text field. For example, say we wanted to display the date with the calendar icon before the text field, using the format %Y %b %e

# Add styles and javascript for the calendar
use TWiki::Contrib::JSCalendarContrib;

sub commonTagsHandler {
  # Enable 'showCalendar'
  TWiki::Contrib::JSCalendarContrib::addHEAD( 'twiki' );

  my $cal = CGI::image_button(
      -name => 'img_datefield',
      -onclick =>
       "return showCalendar('id_datefield','%Y %b %e')",
      -src=> TWiki::Func::getPubUrlPath() . '/' .
             TWiki::Func::getTwikiWebname() .
      -alt => 'Calendar',
      -align => 'middle' )
    . CGI::textfield(
      { name => 'date', id => "id_datefield" });
The first parameter to showCalendar is the id of the textfield, and the second parameter is the . See the Mishoo documentation for details of the '$e %B %Y' parameter.

addHEAD can be called from commonTagsHandler for adding the header to all pages, or from beforeEditHandler just for edit pages etc.

Using the Calendar in user forms

You can also use the calendar directly in your own hand-built forms, without having to write any code. Just add this inline in the topic text:
Then, to display a calendar icon next to a text input field:
<input type="text" id="cal_val_here" />
<input type="image" src="%PUBURL%/%SYSTEMWEB%/JSCalendarContrib/img.gif" onclick="javascript: return showCalendar('cal_val_here','%e %B %Y')" />
If the contrib is installed, you will see such a field here:

Installation Instructions

You do not need to install anything in the browser to use this extension. The following instructions are for the administrator who installs the extension on the server where TWiki is running.

Like many other TWiki extensions, this module is shipped with a fully automatic installer script written using the BuildContrib.

  • If you have TWiki 4.1 or later, you can install from the configure interface (Go to Plugins->Find More Extensions)
    • The webserver user has to have permission to write to all areas of your installation for this to work.
  • If you have a permanent connection to the internet, you are recommended to use the automatic installer script
    • Just download the JSCalendarContrib_installer perl script and run it.
  • Notes:
    • The installer script will:
      • Automatically resolve dependencies,
      • Copy files into the right places in your local install (even if you have renamed data directories),
      • check in new versions of any installed files that have existing RCS histories files in your existing install (such as topics).
      • If the $TWIKI_PACKAGES environment variable is set to point to a directory, the installer will try to get archives from there. Otherwise it will try to download from twiki.org or cpan.org, as appropriate.
      • (Developers only: the script will look for twikiplugins/JSCalendarContrib/JSCalendarContrib.tgz before downloading from TWiki.org)
    • If you don't have a permanent connection, you can still use the automatic installer, by downloading all required TWiki archives to a local directory.
      • Point the environment variable $TWIKI_PACKAGES to this directory, and the installer script will look there first for required TWiki packages.
        • $TWIKI_PACKAGES is actually a path; you can list several directories separated by :
      • If you are behind a firewall that blocks access to CPAN, you can pre-install the required CPAN libraries, as described at http://twiki.org/cgi-bin/view/TWiki/HowToInstallCpanModules
  • If you don't want to use the installer script, or have problems on your platform (e.g. you don't have Perl 5.8), then you can still install manually:
    1. Download and unpack one of the .zip or .tgz archives to a temporary directory.
    2. Manually copy the contents across to the relevant places in your TWiki installation.
    3. Check in any installed files that have existing ,v files in your existing install (take care not to lock the files when you check in)
    4. Manually edit LocalSite.cfg to set any configuration variables.
    5. Run configure and enable the module, if it is a plugin.
    6. Repeat from step 1 for any missing dependencies.

Note if you are installing this extension in TWiki version < 4.2, please add these definitions to your Main.WebPreferences, if they are not already there:


  • An administrator can customize the appearance of the calendar by setting the following in LocalSite.cfg
    Setting Default
    $TWiki::cfg{JSCalendarContrib}{style} 'blue'
    $TWiki::cfg{JSCalendarContrib}{lang} 'en'
    $TWiki::cfg{JSCalendarContrib}{format} '%e %b %Y'

Contrib Info

Another great TWiki extension from the WikiRing - working together to improve your wiki experience!

Author: TWiki:Main/CrawfordCurrie http://c-dot.co.uk
Version: 15330 (18 Oct 2007) of the Mishoo calendar
Copyright ©: See the Mishoo documentation
License: GPL (GNU General Public License)
Dependencies: None
Change History:  
6 Sep 2007 Bugs:Item4030 Added doc for using the calendar in user forms
13603 Bugs:Item2982 cleaned up the interface to the contrib, re-added a date rendering function with a more generic interface
11594 Allow format to be configured.
11415 Add a renderFormFieldForEditHandler so other plugins can forward to this handler to add the date field to the TWikiForms. (TWiki:Main.ThomasWeigert)
10247 Bugs:Item2054 put the calendar at z-index 2000, way above pattern skin divs.
6634 Bugs:Item453 removed EditTablePlugins private copy of the Mishoo JS calendar, and made sure it works with JSCalendarContrib. Improved the documentation of the JSCalendar while I was there.
6626 Bugs:Item468 updated docs for Dakar release
5048 Cairo readiness
5039 Split from SharedCode?
27 Dec 2005 updated to calendar version 1.0; set style for Safari to win2k-1
14 Aug 2004 Separated out from SharedCode? module
Home: http://TWiki.org/cgi-bin/view/Plugins/JSCalendarContrib
Feedback: http://TWiki.org/cgi-bin/view/Plugins/JSCalendarContribDev
Appraisal: http://TWiki.org/cgi-bin/view/Plugins/JSCalendarContribAppraisal

Related Topics: TWikiPreferences

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