static function daysInMonth($year, $month)
{
if ($month == 4 || $month == 6 || $month == 9 || $month == 11) {
return 30;
}
if ($month == 2) {
return SRFCHistoricalDate::leap_jul_greg($year) ? 29 : 28;
}
return 31;
}
function displayCalendar($events)
{
global $wgParser;
global $srfgFirstDayOfWeek;
global $srfgScriptPath;
$context = RequestContext::getMain();
$request = $context->getRequest();
if (!$wgParser->mFirstCall) {
$wgParser->disableCache();
}
$context->getOutput()->addLink(array('rel' => 'stylesheet', 'type' => 'text/css', 'media' => 'screen, print', 'href' => $srfgScriptPath . '/formats/calendar/resources/ext.srf.calendar.css'));
// Set variables differently depending on whether this is
// being called from a regular page, via #ask, or from a
// special page: most likely either Special:Ask or
// Special:RunQuery.
$pageTitle = $context->getTitle();
if (!$pageTitle) {
$pageTitle = $wgParser->getTitle();
}
$additionalQueryString = '';
$hiddenInputs = '';
if ($pageTitle->isSpecialPage()) {
$requestValues = $request->getValues();
// Also go through the predefined PHP variable
// $_REQUEST, because $request->getValues() for
// some reason doesn't return array values - is
// there a better (less hacky) way to do this?
foreach ($_REQUEST as $key => $value) {
if (is_array($value)) {
foreach ($value as $k2 => $v2) {
$newKey = $key . '[' . $k2 . ']';
$requestValues[$newKey] = $v2;
}
}
}
foreach ($requestValues as $key => $value) {
if ($key != 'month' && $key != 'year' && $key != 'query' && $key != 'free_text') {
$additionalQueryString .= "&{$key}={$value}";
$hiddenInputs .= "<input type=\"hidden\" " . "name=\"{$key}\" value=\"{$value}\" />";
}
}
}
// Set days of the week.
$weekDayNames = array(1 => wfMessage('sunday')->text(), 2 => wfMessage('monday')->text(), 3 => wfMessage('tuesday')->text(), 4 => wfMessage('wednesday')->text(), 5 => wfMessage('thursday')->text(), 6 => wfMessage('friday')->text(), 7 => wfMessage('saturday')->text());
if (empty($srfgFirstDayOfWeek)) {
$firstDayOfWeek = 1;
$lastDayOfWeek = 7;
} else {
$firstDayOfWeek = array_search($srfgFirstDayOfWeek, $weekDayNames);
if ($firstDayOfWeek === false) {
// Bad value for $srfgFirstDayOfWeek!
print 'Warning: Bad value for $srfgFirstDayOfWeek "' . '(' . $srfgFirstDayOfWeek . '")';
$firstDayOfWeek = 1;
}
if ($firstDayOfWeek == 1) {
$lastDayOfWeek = 7;
} else {
$lastDayOfWeek = $firstDayOfWeek - 1;
}
}
// Now create the actual array of days of the week, based on
// the start day
$weekDays = array();
for ($i = 1; $i <= 7; $i++) {
$curDay = ($firstDayOfWeek + $i - 2) % 7 + 1;
$weekDays[$i] = $weekDayNames[$curDay];
}
// Get all the date-based values we need - the current month
// and year (i.e., the one the user is looking at - not
// necessarily the "current" ones), the previous and next months
// and years (same - note that the previous or next month could
// be in a different year), the number of days in the current,
// previous and next months, etc.
if (is_numeric($this->mStartMonth) && intval($this->mStartMonth) == $this->mStartMonth && $this->mStartMonth >= 1 && $this->mStartMonth <= 12) {
$curMonthNum = $this->mStartMonth;
} else {
$curMonthNum = date('n');
}
if ($request->getCheck('month')) {
$queryMonth = $request->getVal('month');
if (is_numeric($queryMonth) && intval($queryMonth) == $queryMonth && $queryMonth >= 1 && $queryMonth <= 12) {
$curMonthNum = $request->getVal('month');
}
}
$curMonth = self::intToMonth($curMonthNum);
if (is_numeric($this->mStartYear) && intval($this->mStartYear) == $this->mStartYear) {
$curYear = $this->mStartYear;
} else {
$curYear = date('Y');
}
if ($request->getCheck('year')) {
$queryYear = $request->getVal('year');
if (is_numeric($queryYear) && intval($queryYear) == $queryYear) {
$curYear = $request->getVal('year');
}
}
if ($curMonthNum == '1') {
$prevMonthNum = '12';
$prevYear = $curYear - 1;
} else {
$prevMonthNum = $curMonthNum - 1;
$prevYear = $curYear;
}
if ($curMonthNum == '12') {
$nextMonthNum = '1';
$nextYear = $curYear + 1;
} else {
$nextMonthNum = $curMonthNum + 1;
$nextYear = $curYear;
}
// There's no year '0' - change it to '1' or '-1'.
if ($curYear == '0') {
$curYear = '1';
}
if ($nextYear == '0') {
$nextYear = '1';
}
if ($prevYear == '0') {
$prevYear = '-1';
}
$prevMonthUrl = $pageTitle->getLocalURL("month={$prevMonthNum}&year={$prevYear}" . $additionalQueryString);
$nextMonthUrl = $pageTitle->getLocalURL("month={$nextMonthNum}&year={$nextYear}" . $additionalQueryString);
$todayUrl = $pageTitle->getLocalURL($additionalQueryString);
$pageName = $pageTitle->getPrefixedDbKey();
$todayText = wfMessage('srfc_today')->text();
$prevMonthText = wfMessage('srfc_previousmonth')->text();
$nextMonthText = wfMessage('srfc_nextmonth')->text();
$goToMonthText = wfMessage('srfc_gotomonth')->text();
// Get day of the week that the first of this month falls on.
$firstDay = new SRFCHistoricalDate();
$firstDay->create($curYear, $curMonthNum, 1);
$startDay = $firstDayOfWeek - $firstDay->getDayOfWeek();
if ($startDay > 0) {
$startDay -= 7;
}
$daysInPrevMonth = SRFCHistoricalDate::daysInMonth($prevYear, $prevMonthNum);
$daysInCurMonth = SRFCHistoricalDate::daysInMonth($curYear, $curMonthNum);
$todayString = date('Y n j', time());
$pageName = $pageTitle->getPrefixedDbKey();
// Create table for holding title and navigation information.
$text = <<<END
<table class="navigation_table">
<tr><td class="month_name">{$curMonth} {$curYear}</td>
<td class="nav_links"><a href="{$prevMonthUrl}" title="{$prevMonthText}">
<img src="{$srfgScriptPath}/formats/calendar/resources/images/left-arrow.png" border="0" />
</a> <a href="{$todayUrl}">{$todayText}</a> 
<a href="{$nextMonthUrl}" title="{$nextMonthText}">
<img src="{$srfgScriptPath}/formats/calendar/resources/images/right-arrow.png" border="0" />
</a></td><td class="nav_form"><form>
<input type="hidden" name="title" value="{$pageName}">
<select name="month">
END;
for ($i = 1; $i <= 12; $i++) {
$monthName = self::intToMonth($i);
$selectedStr = $i == $curMonthNum ? "selected" : "";
$text .= "<option value=\"{$i}\" {$selectedStr}>\n\t\t\t\t{$monthName}</option>\n";
}
$text .= <<<END
</select>
<input name="year" type="text" value="{$curYear}" size="4">
{$hiddenInputs}
<input type="submit" value="{$goToMonthText}">
</form>
</td>
</tr>
</table>
<table class="month_calendar">
<tr class="weekdays">
END;
// First row of the main table holds the days of the week
foreach ($weekDays as $weekDay) {
$text .= "<td>{$weekDay}</td>";
}
$text .= "</tr>\n";
// Now, create the calendar itself -
// loop through a set of weeks, from a "Sunday" (which might be
// before the beginning of the month) to a "Saturday" (which
// might be after the end of the month).
// "Sunday" and "Saturday" are in quotes because the actual
// start and end days of the week can be set by the admin.
$dayOfTheWeek = $firstDayOfWeek;
$isLastWeek = false;
for ($day = $startDay; !$isLastWeek || $dayOfTheWeek != $firstDayOfWeek; $day++) {
if ($dayOfTheWeek == $firstDayOfWeek) {
$text .= "<tr>\n";
}
if ("{$curYear} {$curMonthNum} {$day}" == $todayString) {
$text .= "<td class=\"today\">\n";
} elseif ($dayOfTheWeek == 1 || $dayOfTheWeek == 7) {
$text .= "<td class=\"weekend_day\">\n";
} else {
$text .= "<td>\n";
}
if ($day == $daysInCurMonth || $day > 50) {
$isLastWeek = true;
}
// If this day is before or after the current month,
// set a "display day" to show on the calendar, and
// use a different CSS style for it.
if ($day > $daysInCurMonth || $day < 1) {
if ($day < 1) {
$displayDay = $day + $daysInPrevMonth;
$dateStr = $prevYear . '-' . $prevMonthNum . '-' . $displayDay;
}
if ($day > $daysInCurMonth) {
$displayDay = $day - $daysInCurMonth;
$dateStr = $nextYear . '-' . $nextMonthNum . '-' . $displayDay;
}
$text .= "<div class=\"day day_other_month\">{$displayDay}</div>\n";
} else {
$dateStr = $curYear . '-' . $curMonthNum . '-' . $day;
$text .= "<div class=\"day\">{$day}</div>\n";
}
// Finally, the most important step - get the events
// that match this date, and the given set of criteria,
// and display them in this date's box.
$text .= "<div class=\"main\">\n";
if ($events == null) {
$events = array();
}
foreach ($events as $event) {
list($eventTitle, $otherText, $eventDate, $color) = $event;
if ($eventDate == $dateStr) {
if ($this->mTemplate != '') {
$templatetext = '{{' . $this->mTemplate . $otherText . '|thisdate=' . $dateStr . '}}';
$templatetext = $wgParser->replaceVariables($templatetext);
$templatetext = $wgParser->recursiveTagParse($templatetext);
$text .= $templatetext;
} else {
$eventStr = Linker::link($eventTitle);
if ($color != '') {
$text .= "<div class=\"colored-entry\">\n\t\t\t\t\t\t\t\t<p style=\"border-left: 7px {$color} solid;\">\n\t\t\t\t\t\t\t\t{$eventStr} {$otherText}</p></div>\n";
} else {
$text .= "{$eventStr} {$otherText}\n\n";
}
}
}
}
$text .= <<<END
</div>
</td>
END;
if ($dayOfTheWeek == $lastDayOfWeek) {
$text .= "</tr>\n";
}
if ($dayOfTheWeek == 7) {
$dayOfTheWeek = 1;
} else {
$dayOfTheWeek++;
}
}
$text .= "</table>\n";
return $text;
}
function displayCalendar( $events ) {
global $wgOut, $srfgScriptPath, $wgParser, $wgRequest;
global $srfgFirstDayOfWeek;
$wgParser->disableCache();
$wgOut->addLink( array(
'rel' => 'stylesheet',
'type' => 'text/css',
'media' => 'screen, print',
'href' => $srfgScriptPath . '/Calendar/skins/SRFC_main.css'
) );
// Set variables differently depending on whether this is
// being called from a regular page, via #ask, or from a
// special page: most likely either Special:Ask or
// Special:RunQuery.
$page_title = $wgParser->getTitle();
$additional_query_string = '';
$hidden_inputs = '';
$in_special_page = is_null( $page_title ) || $page_title->isSpecialPage();
if ( $in_special_page ) {
global $wgTitle;
$page_title = $wgTitle;
global $wgUser;
$skin = $wgUser->getSkin();
$request_values = $wgRequest->getValues();
// Also go through the predefined PHP variable
// $_REQUEST, because $wgRequest->getValues() for
// some reason doesn't return array values - is
// there a better (less hacky) way to do this?
foreach ( $_REQUEST as $key => $value ) {
if ( is_array( $value ) ) {
foreach ($value as $k2 => $v2 ) {
$new_key = $key . '[' . $k2 . ']';
$request_values[$new_key] = $v2;
}
}
}
foreach ( $request_values as $key => $value ) {
if ( $key != 'month' && $key != 'year'
// values from 'RunQuery'
&& $key != 'query' && $key != 'free_text'
) {
$additional_query_string .= "&$key=$value";
$hidden_inputs .= "<input type=\"hidden\" name=\"$key\" value=\"$value\" />";
}
}
} else {
$skin = $wgParser->getOptions()->getSkin();
}
// Set days of the week.
$week_day_names = array(
1 => wfMsg( 'sunday' ),
2 => wfMsg( 'monday' ),
3 => wfMsg( 'tuesday' ),
4 => wfMsg( 'wednesday' ),
5 => wfMsg( 'thursday' ),
6 => wfMsg( 'friday' ),
7 => wfMsg( 'saturday' )
);
if ( empty( $srfgFirstDayOfWeek ) ) {
$firstDayOfWeek = 1;
$lastDayOfWeek = 7;
} else {
$firstDayOfWeek = array_search( $srfgFirstDayOfWeek, $week_day_names );
if ( $firstDayOfWeek === false ) {
// Bad value for $srfgFirstDayOfWeek!
print 'Warning: Bad value for $srfgFirstDayOfWeek ("' . $srfgFirstDayOfWeek . '")';
$firstDayOfWeek = 1;
}
if ( $firstDayOfWeek == 1 ) {
$lastDayOfWeek = 7;
} else {
$lastDayOfWeek = $firstDayOfWeek - 1;
}
}
// Now create the actual array of days of the week, based on
// the start day
$week_days = array();
for ( $i = 1; $i <= 7; $i++ ) {
$curDay = ( ( $firstDayOfWeek + $i - 2 ) % 7 ) + 1;
$week_days[$i] = $week_day_names[$curDay];
}
// Get all the date-based values we need - the current month
// and year (i.e., the one the user is looking at - not
// necessarily the "current" ones), the previous and next months
// and years (same - note that the previous or next month could
// be in a different year), the number of days in the current,
// previous and next months, etc.
$cur_month_num = date( 'n', time() );
if ( $wgRequest->getCheck( 'month' ) ) {
$query_month = $wgRequest->getVal( 'month' );
if ( is_numeric( $query_month ) && ( intval( $query_month ) == $query_month ) && $query_month >= 1 && $query_month <= 12 ) {
$cur_month_num = $wgRequest->getVal( 'month' );
}
}
$cur_month = self::intToMonth( $cur_month_num );
$cur_year = date( 'Y', time() );
if ( $wgRequest->getCheck( 'year' ) ) {
$query_year = $wgRequest->getVal( 'year' );
if ( is_numeric( $query_year ) && intval( $query_year ) == $query_year ) {
$cur_year = $wgRequest->getVal( 'year' );
}
}
if ( $cur_month_num == '1' ) {
$prev_month_num = '12';
$prev_year = $cur_year - 1;
} else {
$prev_month_num = $cur_month_num - 1;
$prev_year = $cur_year;
}
if ( $cur_month_num == '12' ) {
$next_month_num = '1';
$next_year = $cur_year + 1;
} else {
$next_month_num = $cur_month_num + 1;
$next_year = $cur_year;
}
// There's no year '0' - change it to '1' or '-1'.
if ( $cur_year == '0' ) { $cur_year = '1'; }
if ( $next_year == '0' ) { $next_year = '1'; }
if ( $prev_year == '0' ) { $prev_year = '-1'; }
$prev_month_url = $page_title->getLocalURL( "month=$prev_month_num&year=$prev_year" . $additional_query_string );
$next_month_url = $page_title->getLocalURL( "month=$next_month_num&year=$next_year" . $additional_query_string );
$today_url = $page_title->getLocalURL( $additional_query_string );
$today_text = wfMsg( 'srfc_today' );
$prev_month_text = wfMsg( 'srfc_previousmonth' );
$next_month_text = wfMsg( 'srfc_nextmonth' );
$go_to_month_text = wfMsg( 'srfc_gotomonth' );
// Get day of the week that the first of this month falls on.
$first_day = new SRFCHistoricalDate();
$first_day->create( $cur_year, $cur_month_num, 1 );
$day_of_week_of_1 = $first_day->getDayOfWeek();
$start_day = $firstDayOfWeek - $day_of_week_of_1;
if ( $start_day > 0 ) { $start_day -= 7; }
$days_in_prev_month = SRFCHistoricalDate::daysInMonth( $prev_year, $prev_month_num );
$days_in_cur_month = SRFCHistoricalDate::daysInMonth( $cur_year, $cur_month_num );
$today_string = date( 'Y n j', time() );
$page_name = $page_title->getPrefixedDbKey();
// Create table for holding title and navigation information.
$text = <<<END
<table class="navigation_table">
<tr>
<td class="month_name">$cur_month $cur_year</td>
<td class="nav_links">
<a href="$prev_month_url" title="$prev_month_text"><img src="$srfgScriptPath/Calendar/skins/left-arrow.png" border="0" /></a>
 
<a href="$today_url">$today_text</a>
 
<a href="$next_month_url" title="$next_month_text"><img src="$srfgScriptPath/Calendar/skins/right-arrow.png" border="0" /></a>
</td>
<td class="nav_form">
<form>
<input type="hidden" name="title" value="$page_name">
<select name="month">
END;
for ( $i = 1; $i <= 12; $i++ ) {
$month_name = self::intToMonth( $i );
$selected_str = ( $i == $cur_month_num ) ? "selected" : "";
$text .= "<option value=\"$i\" $selected_str>$month_name</option>\n";
}
$text .= <<<END
</select>
<input name="year" type="text" value="$cur_year" size="4">
$hidden_inputs
<input type="submit" value="$go_to_month_text">
</form>
</td>
</tr>
</table>
<table class="month_calendar">
<tr class="weekdays">
END;
// First row of the main table holds the days of the week
foreach ( $week_days as $week_day ) {
$text .= "<td>$week_day</td>";
}
$text .= "</tr>\n";
// Now, create the calendar itself -
// loop through a set of weeks, from a "Sunday" (which might be
// before the beginning of the month) to a "Saturday" (which
// might be after the end of the month).
// "Sunday" and "Saturday" are in quotes because the actual
// start and end days of the week can be set by the admin.
$day_of_the_week = $firstDayOfWeek;
$is_last_week = false;
for ( $day = $start_day; ( ! $is_last_week || $day_of_the_week != $firstDayOfWeek ); $day++ ) {
if ( $day_of_the_week == $firstDayOfWeek ) {
$text .= "<tr>\n";
}
if ( "$cur_year $cur_month_num $day" == $today_string ) {
$text .= "<td class=\"today\">\n";
} elseif ( $day_of_the_week == 1 || $day_of_the_week == 7 ) {
$text .= "<td class=\"weekend_day\">\n";
} else {
$text .= "<td>\n";
}
if ( $day == $days_in_cur_month || $day > 50 ) { $is_last_week = true; }
// If this day is before or after the current month,
// set a "display day" to show on the calendar, and
// use a different CSS style for it.
if ( $day > $days_in_cur_month || $day < 1 ) {
if ( $day < 1 ) {
$display_day = $day + $days_in_prev_month;
$date_str = $prev_year . '-' . $prev_month_num . '-' . $display_day;
}
if ( $day > $days_in_cur_month ) {
$display_day = $day - $days_in_cur_month;
$date_str = $next_year . '-' . $next_month_num . '-' . $display_day;
}
$text .= "<div class=\"day day_other_month\">$display_day</div>\n";
} else {
$date_str = $cur_year . '-' . $cur_month_num . '-' . $day;
$text .= "<div class=\"day\">$day</div>\n";
}
// Finally, the most important step - get the events
// that match this date, and the given set of criteria,
// and display them in this date's box.
$text .= "<div class=\"main\">\n";
if ( $events == null ) {
$events = array();
}
foreach ( $events as $event ) {
list( $event_title, $other_text, $event_date, $color ) = $event;
if ( $event_date == $date_str ) {
if ( $this->mTemplate != '' ) {
$templatetext = '{{' . $this->mTemplate . $other_text . '|thisdate=' . $date_str . '}}';
$templatetext = $wgParser->replaceVariables( $templatetext );
$templatetext = $wgParser->recursiveTagParse( $templatetext );
$text .= $templatetext;
} else {
$event_str = $skin->makeLinkObj( $event_title );
if ( $color != '' ) {
$text .= "<p class=\"colored-entry\" style=\"border-left: 7px $color solid;\">$event_str $other_text</p>\n";
} else {
$text .= "$event_str $other_text\n\n";
}
}
}
}
$text .= <<<END
</div>
</td>
END;
if ( $day_of_the_week == $lastDayOfWeek ) {
$text .= "</tr>\n";
}
if ( $day_of_the_week == 7 ) {
$day_of_the_week = 1;
} else {
$day_of_the_week++;
}
}
$text .= "</table>\n";
return $text;
}