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