/modules/calendar.php
PHP | 117 lines | 72 code | 20 blank | 25 comment | 12 complexity | da2b83a9b748a3205d5dc2025e29e205 MD5 | raw file
- <?php
- # http://keithdevens.com/software/php_calendar
- class calendar
- {
- public $year;
- public $month;
- public $days = null;
- public $day_name_length = 3;
- public $month_href = null;
- public $first_day = 0;
- public $pn;
- private $timestamp;
- function __construct()
- {
- $registry = Registry::instance();
-
- if ($registry->request('d')) $this->timestamp = $registry->request('d');
- else $this->timestamp = time();
-
- $this->year = date('Y', $this->timestamp);
- $this->month = date('n', $this->timestamp);
-
- $this->pn = array('«'=> 'index.php?c=events&d='.strtotime('-1 month', $this->timestamp),
- '»'=> 'index.php?c=events&d='.strtotime('+1 month', $this->timestamp));
- }
-
- function set_days()
- {
- /*
- $this->days = array();
- for ($i = 1, $i < 20, $i++)
- $this->days[$i] = array($this->day_link($i),'linked-day');
- */
- }
-
- function day_link($day)
- {
- return 'index.php?c=events&d='.$this->calculate_day($day);
- }
-
- function calculate_day($day)
- {
- return mktime(0, 0, 0, $this->month, $day, $this->year);
- }
-
- function current_date()
- {
- return date('l, F jS, Y', $this->timestamp);
- }
- function render()
- {
- return $this->generate_calendar($this->year, $this->month, $this->days, $this->day_name_length, $this->month_href, $this->first_day, $this->pn);
- }
- # PHP Calendar (version 2.3), written by Keith Devens
- # http://keithdevens.com/software/php_calendar
- # see example at http://keithdevens.com/weblog
- # License: http://keithdevens.com/software/license
-
- function generate_calendar($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()
-
- $day_names = array(); #generate all the day names according to the current locale
- for($n=0,$t=(3+$first_day)*86400; $n<7; $n++,$t+=86400) #January 4, 1970 was a Sunday
- $day_names[$n] = ucfirst(gmstrftime('%A',$t)); #%A means full textual day name
-
- list($month, $year, $month_name, $weekday) = explode(',',gmstrftime('%m,%Y,%B,%w',$first_of_month));
- $weekday = ($weekday + 7 - $first_day) % 7; #adjust for $first_day
- $title = htmlentities(ucfirst($month_name)).' '.$year; #note that some locales don't capitalize month and day names
-
- #Begin calendar. Uses a real <caption>. See http://diveintomark.org/archives/2002/07/03
- @list($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>';
- $calendar = '<table class="calendar">'."\n".
- '<caption class="calendar-month">'.$p.($month_href ? '<a href="'.htmlspecialchars($month_href).'">'.$title.'</a>' : $title).$n."</caption>\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)
- $calendar .= '<th abbr="'.htmlentities($d).'">'.htmlentities($day_name_length < 4 ? substr($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 $calendar .= "<td>$day</td>";
- */
- // Adapt so that all days are automaticaly linked
- $calendar .= '<td class="linked-day"><a href="'.htmlspecialchars($this->day_link($day)).'">'.$day.'</a></td>';
- }
- if($weekday != 7) $calendar .= '<td colspan="'.(7-$weekday).'"> </td>'; #remaining "empty" days
-
- return $calendar."</tr>\n</table>\n";
- }
- }
- ?>