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<?php defined('SYSPATH') OR die('No direct access allowed.');
class PHPCalendar_Core {
// Month and year to use for calendaring
protected $month;
protected $year;
protected $month_url;
// First Day of the Week (0 = Sunday or 1 = Monday).
protected $week_start = 0;
// Events for the current month.
protected $event_data = Array();
public function __construct($month = NULL, $year = NULL, $url = NULL)
{
empty($month) and $month = date('n'); // Current month
empty($year) and $year = date('Y'); // Current year
// Set the month and year
$this->month = (int) $month;
$this->year = (int) $year;
$this->month_url = $url;
}
public function event($day_of_the_week, $event_url = NULL, $css_id = NULL, $custom_text = NULL)
{
$this->event_data += Array($day_of_the_week => Array($event_url, $css_id, $custom_text));
}
public function render()
{
return $this->generate_calendar($this->year, $this->month, $this->event_data, 2, $this->month_url, $this->week_start, NULL);
}
# PHP Calendar (version 2.3), written by Keith Devens
# http://keithdevens.com/software/php_calendar
# see example at http://keithdevens.com/weblog
# License: http://keithdevens.com/software/license
function generate_calendar($year, $month, $days = array(), $day_name_length = 3, $month_href = NULL, $first_day = 0, $pn = array())
{
$first_of_month = gmmktime(0,0,0,$month,1,$year);
#remember that mktime will automatically correct if invalid dates are entered
# for instance, mktime(0,0,0,12,32,1997) will be the date for Jan 1, 1998
# this provides a built in "rounding" feature to generate_calendar()
if ($first_day == 0) $day_names = array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
if ($first_day == 1) $day_names = array("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday");
list($month, $year, $month_name, $weekday) = explode(',',gmstrftime('%m,%Y,%B,%w',$first_of_month));
$weekday = ($weekday + 7 - $first_day) % 7; #adjust for $first_day
$title = t(date("F", mktime(0, 0, 0, $month, 1, $year))) . ' ' . $year;
#Begin calendar. Uses a real <caption>. See http://diveintomark.org/archives/2002/07/03
@list($p, $pl) = each($pn); @list($n, $nl) = each($pn); #previous and next links, if applicable
if($p) $p = '<span class="calendar-prev">'.($pl ? '<a href="'.htmlspecialchars($pl).'">'.$p.'</a>' : $p).'</span> ';
if($n) $n = ' <span class="calendar-next">'.($nl ? '<a href="'.htmlspecialchars($nl).'">'.$n.'</a>' : $n).'</span>';
$calendar = '<table class="calendar" id="g-calendar-month">'."\n".
'<td class="title" colspan="7" align="center">'.$p.($month_href ? '<a href="'. ($month_href) .'">'.$title.'</a>' : $title).$n."</td></tr>\n<tr>";
if($day_name_length){ #if the day names should be shown ($day_name_length > 0)
#if day_name_length is >3, the full name of the day will be printed
foreach($day_names as $d)
$calendar .= '<th abbr="' . $d .'">'.t($day_name_length < 4 ? substr($d,0,$day_name_length) : $d) . '</th>';
$calendar .= "</tr>\n<tr>";
}
if($weekday > 0) $calendar .= '<td colspan="'.$weekday.'"> </td>'; #initial 'empty' days
for($day=1,$days_in_month=gmdate('t',$first_of_month); $day<=$days_in_month; $day++,$weekday++){
if($weekday == 7){
$weekday = 0; #start a new week
$calendar .= "</tr>\n<tr>";
}
if(isset($days[$day]) and is_array($days[$day])){
@list($link, $classes, $content) = $days[$day];
if(is_null($content)) $content = $day;
$calendar .= '<td'.($classes ? ' class="'.htmlspecialchars($classes).'">' : '>').
($link ? '<a href="'.htmlspecialchars($link).'">'.$content.'</a>' : $content).'</td>';
}
else $calendar .= "<td class=\"day\">$day</td>";
}
if($weekday != 7) $calendar .= '<td colspan="'.(7-$weekday).'"> </td>'; #remaining "empty" days
return $calendar."</tr>\n</table>\n";
}
}
?>
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