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<?php
namespace Sabre\VObject\Property;
use Sabre\VObject;
/**
* Multi-DateTime property
*
* This element is used for iCalendar properties such as the EXDATE property.
* It basically provides a few helper functions that make it easier to deal
* with these. It supports both DATE-TIME and DATE values.
*
* In order to use this correctly, you must call setDateTimes and getDateTimes
* to retrieve and modify dates respectively.
*
* If you use the 'value' or properties directly, this object does not keep
* reference and results might appear incorrectly.
*
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class MultiDateTime extends VObject\Property {
/**
* DateTime representation
*
* @var DateTime[]
*/
protected $dateTimes;
/**
* dateType
*
* This is one of the Sabre\VObject\Property\DateTime constants.
*
* @var int
*/
protected $dateType;
/**
* Updates the value
*
* @param array $dt Must be an array of DateTime objects.
* @param int $dateType
* @return void
*/
public function setDateTimes(array $dt, $dateType = VObject\Property\DateTime::LOCALTZ) {
foreach($dt as $i)
if (!$i instanceof \DateTime)
throw new \InvalidArgumentException('You must pass an array of DateTime objects');
$this->offsetUnset('VALUE');
$this->offsetUnset('TZID');
switch($dateType) {
case DateTime::LOCAL :
$val = array();
foreach($dt as $i) {
$val[] = $i->format('Ymd\\THis');
}
$this->setValue(implode(',',$val));
$this->offsetSet('VALUE','DATE-TIME');
break;
case DateTime::UTC :
$val = array();
foreach($dt as $i) {
$i->setTimeZone(new \DateTimeZone('UTC'));
$val[] = $i->format('Ymd\\THis\\Z');
}
$this->setValue(implode(',',$val));
$this->offsetSet('VALUE','DATE-TIME');
break;
case DateTime::LOCALTZ :
$val = array();
foreach($dt as $i) {
$val[] = $i->format('Ymd\\THis');
}
$this->setValue(implode(',',$val));
$this->offsetSet('VALUE','DATE-TIME');
$this->offsetSet('TZID', $dt[0]->getTimeZone()->getName());
break;
case DateTime::DATE :
$val = array();
foreach($dt as $i) {
$val[] = $i->format('Ymd');
}
$this->setValue(implode(',',$val));
$this->offsetSet('VALUE','DATE');
break;
default :
throw new \InvalidArgumentException('You must pass a valid dateType constant');
}
$this->dateTimes = $dt;
$this->dateType = $dateType;
}
/**
* Returns the current DateTime value.
*
* If no value was set, this method returns null.
*
* @return array|null
*/
public function getDateTimes() {
if ($this->dateTimes)
return $this->dateTimes;
$dts = array();
if (!$this->value) {
$this->dateTimes = null;
$this->dateType = null;
return null;
}
foreach(explode(',',$this->value) as $val) {
list(
$type,
$dt
) = DateTime::parseData($val, $this);
$dts[] = $dt;
$this->dateType = $type;
}
$this->dateTimes = $dts;
return $this->dateTimes;
}
/**
* Returns the type of Date format.
*
* This method returns one of the format constants. If no date was set,
* this method will return null.
*
* @return int|null
*/
public function getDateType() {
if ($this->dateType)
return $this->dateType;
if (!$this->value) {
$this->dateTimes = null;
$this->dateType = null;
return null;
}
$dts = array();
foreach(explode(',',$this->value) as $val) {
list(
$type,
$dt
) = DateTime::parseData($val, $this);
$dts[] = $dt;
$this->dateType = $type;
}
$this->dateTimes = $dts;
return $this->dateType;
}
}
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