/common/calendar.php

<?

define('CAN_EDIT', $prefs['calendar.edit']);

$m = idate('n');
$y = idate('Y');

if (preg_match(
	'/\/(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)\w*-([0-9]{4})\b/i',
	$_SERVER['REQUEST_URI'], $parts
)) {
	$months = array(
		'jan' => 1, 'feb' => 2, 'mar' => 3, 'apr' => 4, 'may' => 5, 'jun' => 6,
		'jul' => 7, 'aug' => 8, 'sep' => 9, 'oct' => 10, 'nov' => 11, 'dec' => 12
	);
	$m = $months[strtolower($parts[1])];
	$y = (int)($parts[2]);
	unset($parts);
}

$d = mktime(0, 0, 0, $m, 1, $y);

$firstShown = mktime(0, 0, 0, idate('m') - 1, 1, idate('Y'));
$lastShown = mktime(0, 0, 0, idate('m'), 1, idate('Y') + 1);

if ($d < $firstShown) {
	header('Location: '.CALENDAR_URL);
	exit;
} elseif ($d > $firstShown) {
	$prev = mktime(0, 0, 0, $m - 1, 1, $y);
}

if ($d > $lastShown) {
	header('Location: '.CALENDAR_URL);
	exit;
} elseif ($d < $lastShown) {
	$next = mktime(0, 0, 0, $m + 1, 1, $y);
}

unset($firstShown, $lastShown);

$start = mktime(0, 0, 0, $m, 1, $y);
$t_start = idate('t', $start);
$w_start = idate('w', $start);
$i_start = mktime(0, 0, 0, idate('m', $start), 1 - $w_start, idate('Y', $start));

$end = mktime(0, 0, 0, $m + 1, 0, $y);
$w_end = idate('w', $end);
$i_end = mktime(0, 0, 0, idate('m', $start), $t_start + 7 - $w_end, idate('Y', $start));


$pagetitle = date('F Y', $d);
if ($prev)
	$extraHeadTags[] = '<link rel="prev" href="'.CALENDAR_URL.'/'.date('F-Y', $prev).'" />';
if ($next)
	$extraHeadTags[] = '<link rel="next" href="'.CALENDAR_URL.'/'.date('F-Y', $next).'" />';

$extraHeadTags[] = '<link rel="stylesheet" href="/common/tools/darkbox.css" type="text/css" />';
$extraFootTags[] = '<script src="/common/tools/extend.js" type="text/javascript"></script>';
$extraFootTags[] = '<script src="/common/tools/xhr.js" type="text/javascript"></script>';
$extraFootTags[] = '<script src="/common/tools/contentbox.js" type="text/javascript"></script>';
$extraFootTags[] = '<script src="/common/calendar.js" type="text/javascript"></script>';
if (CAN_EDIT) {
	$extraFootTags[] = '<script src="/common/tools/date.js" type="text/javascript"></script>';
	$extraFootTags[] = '<script src="/common/tools/dragdrop.js" type="text/javascript"></script>';
	$extraFootTags[] = '<script src="/admin/inline/calendar.js" type="text/javascript"></script>';
}
require_once 'header.inc';

if (CAN_EDIT) {
	echo '<div class="editbuttonsurround">';
	echo '<button type="button" class="editbutton" onclick="newEvent();" style="top: -30px">';
	echo '<span class="icon icon_add">Add Event</span>';
	echo '</button>';
	echo '</div>';
}

echo '<div id="calendarheader">';
if ($prev) {
	echo '<a href="'.CALENDAR_URL.'/'.date('F-Y', $prev).'" rel="prev">'.
		date('F Y', $prev).'</a>';
}
if ($next) {
	echo '<a href="'.CALENDAR_URL.'/'.date('F-Y', $next).'" rel="next">'.
		date('F Y', $next).'</a>';
}
echo '<h1>'.date('F Y', $d).'</h1>';
echo '</div>';

$events = array();
foreach (Events::SelectEventsByDate($i_start, $i_end) as $event) {
	$eventStart = strtotime($event['start']);
	$eventEnd = strtotime($event['end']);
	$eventDate = mktime(0, 0, 0, idate('m', $eventStart), idate('d', $eventStart), idate('Y', $eventStart));
	do {
		if (!isset($events[$eventDate])) {
			$events[$eventDate] = array();
		}
		$events[$eventDate][] = $event;
		$eventDate = mktime(0, 0, 0, idate('m', $eventDate), idate('d', $eventDate) + 1, idate('Y', $eventDate));
	} while ($eventDate < $eventEnd);
}
unset($event, $eventStart, $eventEnd, $eventDate);

echo '<table cellspacing="0" cellpadding="0" id="calendar" data-first="'.
	date('Y-m-d', mktime(0, 0, 0, $m, 1 - $w_start, $y)).'">';

echo '<thead>'.
	'<tr>'.
	'<th>Sunday</th>'.
	'<th>Monday</th>'.
	'<th>Tuesday</th>'.
	'<th>Wednesday</th>'.
	'<th>Thursday</th>'.
	'<th>Friday</th>'.
	'<th>Saturday</th>'.
	'</tr>'.
	'</thead>';

echo '<tfoot>'.
	'<tr>'.
	'<th>Sunday</th>'.
	'<th>Monday</th>'.
	'<th>Tuesday</th>'.
	'<th>Wednesday</th>'.
	'<th>Thursday</th>'.
	'<th>Friday</th>'.
	'<th>Saturday</th>'.
	'</tr>'.
	'</tfoot>';

echo '<tbody>';
for ($i = 1 - $w_start; $i <= $t_start + 6 - $w_end; $i++) {
	$today = mktime(0, 0, 0, $m, $i, $y);
	if (idate('w', $today) == 0) {
		echo '<tr>';
	}

	$classname = 'date';
	if ($i <= 0 || $i > $t_start) {
		$classname .= ' differentmonth';
	} elseif (date('Y-m-d', $today) == date('Y-m-d')) {
		$classname .= ' today';
	}
	echo '<td class="'.$classname.'">';
	echo '<div class="dateinner">';
	echo '<div class="datemarker">'.date('j', $today).'</div>';
	if (isset($events[$today])) {
		echo '<ul class="events">';
		foreach ($events[$today] as $event) {
			printf(
				'<li><a href="%s" data-id="%u">%s</a></li>',
				CALENDAR_URL.'/events/'.substr($event['start'], 0, 10).'/'.$event['uri'],
				$event['id'],
				htmlSafe($event['title'])
			);
		}
		echo '</ul>';
	}
	echo '</div>';
	echo '</td>';

	if (idate('w', $today) == 6) {
		echo '</tr>';
	}
}
echo '</tbody>';
echo '</table>';

require_once 'footer.inc';