<?php
if (IN_serendipity !== true) {
die ("Don't hack!");
}
class serendipity_plugin_calendar extends serendipity_plugin
{
var $title = CALENDAR;
function introspect(&$propbag)
{
$propbag->add('name', CALENDAR);
$propbag->add('description', QUICKJUMP_CALENDAR);
$propbag->add('configuration', array('beginningOfWeek', 'enableExtEvents', 'category'));
$propbag->add('stackable', false);
$propbag->add('author', 'Serendipity Team');
$propbag->add('version', '1.2');
$propbag->add('groups', array('FRONTEND_VIEWS'));
}
function introspect_config_item($name, &$propbag)
{
switch($name) {
case 'beginningOfWeek':
$options = array();
for ( $i = 1; $i <= 7; $i++ ) {
$options[] = serendipity_formatTime('%A', mktime(0,0,0,3,$i-1,2004));
}
$propbag->add('type', 'select');
$propbag->add('select_values', $options);
$propbag->add('name', CALENDAR_BEGINNING_OF_WEEK);
$propbag->add('description', CALENDAR_BOW_DESC);
$propbag->add('default', 1);
break;
case 'enableExtEvents':
$propbag->add('type', 'boolean');
$propbag->add('name', CALENDAR_ENABLE_EXTERNAL_EVENTS);
$propbag->add('description', CALENDAR_EXTEVENT_DESC);
$propbag->add('default', false);
break;
// Event Calendar: Support category!
case 'category':
$categories = array('all' => ALL_CATEGORIES);
$cats = serendipity_fetchCategories();
if (is_array($cats)) {
$cats = serendipity_walkRecursive($cats, 'categoryid', 'parentid', VIEWMODE_THREADED);
foreach($cats as $cat) {
$categories[$cat['categoryid']] = str_repeat(' . ', $cat['depth']) . $cat['category_name'];
}
}
$propbag->add('type', 'select');
$propbag->add('name', CATEGORIES_PARENT_BASE);
$propbag->add('description', CATEGORIES_PARENT_BASE_DESC);
$propbag->add('select_values', $categories);
$propbag->add('default', 'all');
break;
default:
return false;
}
return true;
}
function generate_content(&$title)
{
global $serendipity;
$title = $this->title;
// Usage of serendipity_serverOffsetHour is as follow:
// * Whenever a date to display needs to be set, apply the timezone offset
// * Whenever we USE the date anywhere in the database, subtract the timezone offset
// * Whenever we DISPLAY the date, we do not apply additional timezone addition to it.
if (!isset($serendipity['GET']['calendarZoom'])) {
if (!isset($serendipity['range'])) {
$serendipity['GET']['calendarZoom'] = serendipity_serverOffsetHour(time());
} else {
$serendipity['GET']['calendarZoom'] = serendipity_serverOffsetHour($serendipity['range'][0]);
}
}
$month = date('m', serendipity_serverOffsetHour($serendipity['GET']['calendarZoom'], true));
$year = date('Y', serendipity_serverOffsetHour($serendipity['GET']['calendarZoom'], true));
$bow = (int)$this->get_config('beginningOfWeek', 1);
// Check for faulty input, is so - run the default
if ($bow > 6) {
$bow = 1;
}
// Catch faulty month
$month = (int)$month;
if ($month < 1) {
$month = 1;
}
switch($serendipity['calendar']) {
default:
case 'gregorian':
// How many days does the month have?
$ts = strtotime($year . '-' . sprintf('%02d', $month) . '-01');
$now = serendipity_serverOffsetHour(time());
$nrOfDays = date('t', $ts);
$firstDayWeekDay = date('w', $ts);
$firstts = $ts;
$endts = mktime(0, 0, 0, $month + 1, 1, $year);
break;
case 'persian-utf8':
require_once S9Y_INCLUDE_PATH . 'include/functions_calendars.inc.php';
list(,$jy, $jm, $jd) = $serendipity['uriArguments'];
if( isset($jd) && $jd ){
list ( $gy, $gm, $gd ) = p2g ($jy, $jm, $jd);
}elseif( isset($jm) && $jm ){
list ( $gy, $gm, $gd ) = p2g ( $jy, $jm, 1);
}else{
$gy = $year;
$gm = $month;
$gd = (int) date('d');
}
list ( $year, $month, $day ) = g2p ($gy, $gm, $gd);
// How many days does the month have?
$ts = strtotime($gy . '-' . sprintf('%02d', $gm) . '-' . sprintf('%02d', $gd));
$now = serendipity_serverOffsetHour(time());
$nrOfDays = persian_strftime_utf('%m', $ts);
$j_days_in_month = array(0, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29);
if ($year%4 == 3 && $nrOfDays == 12) $nrOfDays = $j_days_in_month[(int)$nrOfDays]+1;
else $nrOfDays = $j_days_in_month[(int)$nrOfDays];
// Calculate first timestamp of the month
list ($firstgy, $firstgm, $firstgd ) = p2g ( $year, $month, 1);
$firstts = mktime(0, 0, 0, $firstgm, $firstgd, $firstgy);
// Calculate first persian day, week day name
$firstDayWeekDay = date('w', $firstts);
// Calculate end timestamp of the month
list ( $end_year, $end_month, $end_day ) = p2g ($year, $month+1, 1);
$endts = mktime(0, 0, 0, $end_month, $end_day, $end_year);
break;
} // end switch
// Calculate the first day of the week, based on the beginning of the week ($bow)
if ($bow > $firstDayWeekDay) {
$firstDayWeekDay = $firstDayWeekDay + 7 - $bow;
} elseif ( $bow < $firstDayWeekDay ) {
$firstDayWeekDay = $firstDayWeekDay - $bow;
} else {
$firstDayWeekDay = 0;
}
// Calculate the number of next/previous month
if ($month > 1) {
$previousMonth = $month-1;
$previousYear = $year;
} else {
$previousMonth = 12;
$previousYear = $year-1;
}
if ($month < 12) {
$nextMonth = $month+1;
$nextYear = $year;
} else {
$nextMonth = 1;
$nextYear = $year+1;
}
// Get first and last entry
$minmax = serendipity_db_query("SELECT MAX(timestamp) AS max, MIN(timestamp) AS min FROM {$serendipity['dbPrefix']}entries");
if (!is_array($minmax) || !is_array($minmax[0]) || $minmax[0]['min'] < 1 || $minmax[0]['max'] < 1) {
// If no entry is available yet, allow scrolling a year back and forth
$minmax = array(
'0' => array(
'min' => mktime(0, 0, 0, 1, 1, date('Y', $now) - 1),
'max' => mktime(0, 0, 0, 1, 1, date('Y', $now) + 1)
)
);
}
// Find out about diary entries
$add_query = '';
$base_query = '';
$cond = array();
$cond['and'] = "WHERE e.timestamp >= " . serendipity_serverOffsetHour($firstts, true) . "
AND e.timestamp <= " . serendipity_serverOffsetHour($endts, true) . "
" . (!serendipity_db_bool($serendipity['showFutureEntries']) ? " AND e.timestamp <= " . serendipity_db_time() : '') . "
AND e.isdraft = 'false'";
serendipity_plugin_api::hook_event('frontend_fetchentries', $cond, array('noCache' => false, 'noSticky' => false, 'source' => 'calendar'));
// Event Calendar
$cat = $this->get_config('category', 'all');
if ($cat != 'all') {
$catid = (int)$cat;
} elseif (isset($serendipity['GET']['category'])) {
$catid = (int)$serendipity['GET']['category'];
} else {
$catid = false;
}
if ($catid) {
$base_query = 'C' . $catid;
$add_query = '/' . $base_query;
$querystring = "SELECT timestamp
FROM {$serendipity['dbPrefix']}category c,
{$serendipity['dbPrefix']}entrycat ec,
{$serendipity['dbPrefix']}entries e
{$cond['joins']}
{$cond['and']}
AND e.id = ec.entryid
AND c.categoryid = ec.categoryid
AND (" . serendipity_getMultiCategoriesSQL($catid) . ")";
}
if (!isset($querystring)) {
$querystring = "SELECT id, timestamp
FROM {$serendipity['dbPrefix']}entries e
{$cond['joins']}
{$cond['and']}";
}
$rows = serendipity_db_query($querystring);
switch($serendipity['calendar']) {
default:
case 'gregorian':
$activeDays = array();
if (is_array($rows)) {
foreach ($rows as $row) {
$row['timestamp'] = serendipity_serverOffsetHour($row['timestamp']);
$activeDays[date('j', $row['timestamp'])] = $row['timestamp'];
}
}
$today_day = date('j', $now);
$today_month = date('m', $now);
$today_year = date('Y', $now);
break;
case 'persian-utf8':
$activeDays = array();
if (is_array($rows)) {
foreach ($rows as $row) {
$row['timestamp'] = serendipity_serverOffsetHour($row['timestamp']);
$activeDays[(int) persian_date_utf('j', $row['timestamp'])] = $row['timestamp'];
}
}
$today_day = persian_date_utf('j', $now);
$today_month = persian_date_utf('m', $now);
$today_year = persian_date_utf('Y', $now);
break;
} // end switch
$externalevents = array();
if (serendipity_db_bool($this->get_config('enableExtEvents', 'false'))) {
serendipity_plugin_api::hook_event('frontend_calendar', $externalevents, array('Month' => $month, 'Year' => $year,
'TS' => $ts, 'EndTS' => $endts));
}
// Print the calendar
$currDay = 1;
$nrOfRows = ceil(($nrOfDays+$firstDayWeekDay)/7);
for ($x = 0; $x < 6; $x++) {
// Break out if we are out of days
if ($currDay > $nrOfDays) {
break;
}
// Prepare row
for ($y = 0; $y < 7; $y++) {
$cellProps = array();
$printDay = '';
$link = '';
if ($x == 0) {
$cellProps['FirstRow'] = 1;
}
if ($y == 0) {
$cellProps['FirstInRow'] = 1;
}
if ($y == 6) {
$cellProps['LastInRow'] = 1;
}
if ($x == $nrOfRows-1) {
$cellProps['LastRow'] = 1;
}
// If it's not a blank day, we print the day
if (($x > 0 || $y >= $firstDayWeekDay) && $currDay <= $nrOfDays) {
$printDay = $currDay;
if ($today_day == $currDay && $today_month == $month && $today_year == $year) {
$cellProps['Today'] = 1;
}
if (isset($externalevents[$currDay])) {
if (isset($externalevents[$currDay]['Class'])) {
$cellProps[$externalevents[$currDay]['Class']] = 1;
}
if (isset($externalevents[$currDay]['Title'])) {
$cellProps['Title'] = serendipity_specialchars($externalevents[$currDay]['Title']);
}
if (isset($externalevents[$currDay]['Extended'])) {
foreach($externalevents[$currDay]['Extended'] as $ext_key => $ext_val) {
$cellProps[$ext_key] = $ext_val;
}
}
}
if (isset($activeDays[$currDay]) && $activeDays[$currDay] > 1) {
$cellProps['Active'] = 1;
$cellProps['Link'] = serendipity_archiveDateUrl(sprintf('%4d/%02d/%02d', $year, $month, $currDay) . $add_query );
}
$currDay++;
}
$smartyRows[$x]['days'][] = array('name' => $printDay,
'properties' => $cellProps,
'classes' => implode(' ', array_keys($cellProps)));
} // end for
} // end for
$serendipity['smarty']->assignByRef('plugin_calendar_weeks', $smartyRows);
$dow = array();
for ($i = 1; $i <= 7; $i++) {
$dow[] = array('date' => mktime(0, 0, 0, 3, $bow + $i - 1, 2004));
}
$serendipity['smarty']->assignByRef('plugin_calendar_dow', $dow);
$plugin_calendar_data = array('month_date' => $ts,
'uri_previous' => serendipity_archiveDateUrl(sprintf('%04d/%02d', $previousYear, $previousMonth). $add_query),
'uri_month' => serendipity_archiveDateUrl(sprintf('%04d/%02d', $year, $month) . $add_query),
'uri_next' => serendipity_archiveDateUrl(sprintf('%04d/%02d',$nextYear, $nextMonth) . $add_query),
'minScroll' => $minmax[0]['min'],
'maxScroll' => $minmax[0]['max']);
$serendipity['smarty']->assignByRef('plugin_calendar_head', $plugin_calendar_data);
echo serendipity_smarty_fetch('CALENDAR', 'plugin_calendar.tpl');
}
}
?>