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<?php
/**
* iCalcreator, the PHP class package managing iCal (rfc2445/rfc5445) calendar information.
*
* copyright (c) 2007-2021 Kjell-Inge Gustafsson, kigkonsult, All rights reserved
* Link https://kigkonsult.se
* Package iCalcreator
* Version 2.30
* License Subject matter of licence is the software iCalcreator.
* The above copyright, link, package and version notices,
* this licence notice and the invariant [rfc5545] PRODID result use
* as implemented and invoked in iCalcreator shall be included in
* all copies or substantial portions of the iCalcreator.
*
* iCalcreator is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* iCalcreator is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with iCalcreator. If not, see <https://www.gnu.org/licenses/>.
*
* This file is a part of iCalcreator.
*/
namespace Kigkonsult\Icalcreator\Traits;
use InvalidArgumentException;
use Kigkonsult\Icalcreator\Util\Util;
use Kigkonsult\Icalcreator\Vcalendar;
use function sprintf;
/**
* CALSCALE property functions
*
* @author Kjell-Inge Gustafsson, kigkonsult <ical@kigkonsult.se>
* @since 2.29.14 2019-09-03
*/
trait CALSCALEtrait
{
/**
* @var string calendar property CALSCALE
*/
protected $calscale = null;
/**
* Return formatted output for calendar property calscale
*
* @return string
*/
public function createCalscale()
{
if( empty( $this->calscale )) {
$this->calscale = Vcalendar::GREGORIAN;
}
return sprintf( self::$FMTICAL, self::CALSCALE, $this->calscale );
}
/**
* Delete calendar component property calscale
*
* @return bool
* @since 2.27.1 - 2018-12-15
*/
public function deleteCalscale()
{
$this->calscale = null;
return true;
}
/**
* Return calscale
*
* @return string
* @since 2.27.1 - 2018-12-15
*/
public function getCalscale()
{
if( empty( $this->calscale )) {
$this->calscale = Vcalendar::GREGORIAN;
}
return $this->calscale;
}
/**
* Set calendar property calscale
*
* @param string $value
* @return static
* @throws InvalidArgumentException;
* @since 2.29.14 - 2019-09-03
*/
public function setCalscale( $value )
{
if( empty( $value )) {
$value = Vcalendar::GREGORIAN;
}
Util::assertString( $value, self::CALSCALE );
$this->calscale = (string) $value;
return $this;
}
}