<?php
# Google Calendars
#
# Tag :
#   <googlecalendar>calendar id</googlecalendar>
# Ex :
#   from url http://www.google.com/calendar/embed?src=lvrhikf5hj035b7thmmaucvs7c%40group.calendar.google.com&ctz=Asia/Shanghai
#   <googlecalendar>lvrhikf5hj035b7thmmaucvs7c@group.calendar.google.com</googlecalendar>
#
# Enjoy !

$wgExtensionFunctions[] = 'wfGoogleCalendar';
$wgExtensionCredits['parserhook'][] = array
(
        'name' => 'Google Calendar',
        'description' => 'Display Google Calendar',
        'author' => 'Kasper Souren',
        'url' => 'http://wiki.couchsurfing.com/en/Google_Calendar_MediaWiki_plugin'
);
 
function wfGoogleCalendar()
{
        global $wgParser;
        $wgParser->setHook('googlecalendar', 'renderGoogleCalendar');
}
 
# The callback function for converting the input text to HTML output
function renderGoogleCalendar($input)
{
        $input = htmlspecialchars($input);
 
		$output = '<iframe src="http://www.google.com/calendar/embed?src='.$input.'&ctz=Asia/Shanghai" style="border: 0" width="800" height="600" frameborder="0" scrolling="no"></iframe>';
 
        return $output;
}
?>