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Expanding functionality in RepeatRuleDateTime class.

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This commit is contained in:
Andrew McMillan 2010-02-22 22:08:43 +13:00
parent 2e6dca26f2
commit d3a9d02b2e
1 changed files with 51 additions and 6 deletions
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57
inc/RRule-v2.php
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@ -33,13 +33,43 @@ $GLOBALS['debug_rrule'] = false;
class RepeatRuleDateTime extends DateTime {
public static $Format = 'Y-m-d H:i:s';
// public static $Format = 'Y-m-d H:i:s';
public static $Format = 'c';
private $tzid;
public function __construct($date = null, DateTimeZone $dtz = null) {
if (preg_match('/;?TZID=([^:]+):(\d{8}(T\d{6})?)(Z)?/', $date, $matches) ) {
if ( isset($matches[4]) && $matches[4] == 'Z' ) {
$dtz = new DateTimeZone('UTC');
$tzid = 'UTC';
}
else if ( isset($matches[1]) && $matches[1] != '' ) {
$dtz = new DateTimeZone($matches[1]);
}
else {
$dtz = null;
}
}
if ( is_string($dtz) ) {
$dtz = new DateTimeZone($dtz);
}
if($dtz === null) {
$dtz = new DateTimeZone(date_default_timezone_get());
if ( preg_match('/\d{8}T\d{6}Z/', $date) ) {
$dtz = new DateTimeZone('UTC');
$tzid = 'UTC';
}
else {
// $dtz = new DateTimeZone(date_default_timezone_get());
$dtz = new DateTimeZone('UTC');
$tzid = null;
}
}
else {
$tzid = $dtz->getName();
}
parent::__construct($date, $dtz);
return $this;
}
@ -48,15 +78,30 @@ class RepeatRuleDateTime extends DateTime {
}
public function AtGMT() {
public function UTC() {
$gmt = parent::__clone();
$dtz = parent::getTimezone();
$offset = $dtz->getOffset($gmt);
$gmt->modify( $offset . ' seconds' );
if ( isset($this->tzid) && $this->tzid != 'UTC' ) {
$dtz = parent::getTimezone();
$offset = $dtz->getOffset($gmt);
$gmt->modify( $offset . ' seconds' );
}
return $gmt->format('Ymd\THis\Z');
}
public function RFC5545() {
$result = '';
if ( isset($this->tzid) && $this->tzid != 'UTC' ) {
$result = ';TZID='.$this->tzid;
}
$result .= ':' . $gmt->format('Ymd\THis');
if ( isset($this->tzid) && $this->tzid == 'UTC' ) {
$result .= 'Z';
}
return $result;
}
public function setTimeZone( $tz ) {
parent::setTimeZone( $tz );
return $this;