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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
* Contains the Calendar_Decorator_Weekday class
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Date and Time
* @package Calendar
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: Weekday.php 300729 2010-06-24 12:05:53Z quipo $
* @link http://pear.php.net/package/Calendar
*/
/**
* Allows Calendar include path to be redefined
* @ignore
*/
if (!defined('CALENDAR_ROOT')) {
define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR);
}
/**
* Load Calendar decorator base class
*/
require_once CALENDAR_ROOT.'Decorator.php';
/**
* Load a Calendar_Day
*/
require_once CALENDAR_ROOT.'Day.php';
/**
* Decorator for fetching the day of the week
* <code>
* $Day = new Calendar_Day(2003, 10, 23);
* $Weekday = new Calendar_Decorator_Weekday($Day);
* $Weekday->setFirstDay(0); // Set first day of week to Sunday (default Mon)
* echo $Weekday->thisWeekDay(); // Displays 5 - fifth day of week relative to Sun
* </code>
*
* @category Date and Time
* @package Calendar
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @author Lorenzo Alberton <l.alberton@quipo.it>
* @copyright 2003-2007 Harry Fuecks, Lorenzo Alberton
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @link http://pear.php.net/package/Calendar
* @access public
*/
class Calendar_Decorator_Weekday extends Calendar_Decorator
{
/**
* First day of week
* @var int (default = 1 for Monday)
* @access private
*/
var $firstDay = 1;
/**
* Constructs Calendar_Decorator_Weekday
*
* @param object &$Calendar subclass of Calendar
*
* @access public
*/
function Calendar_Decorator_Weekday(&$Calendar)
{
parent::Calendar_Decorator($Calendar);
}
/**
* Sets the first day of the week (0 = Sunday, 1 = Monday (default) etc)
*
* @param int $firstDay first day of week
*
* @return void
* @access public
*/
function setFirstDay($firstDay)
{
$this->firstDay = (int)$firstDay;
}
/**
* Returns the previous weekday
*
* @param string $format (default = 'int') return value format
*
* @return int $format numeric day of week or timestamp
* @access public
*/
function prevWeekDay($format = 'int')
{
$ts = $this->calendar->prevDay('timestamp');
$Day = new Calendar_Day(2000, 1, 1);
$Day->setTimeStamp($ts);
$day = $this->calendar->cE->getDayOfWeek(
$Day->thisYear(),
$Day->thisMonth(),
$Day->thisDay()
);
$day = $this->adjustWeekScale($day);
return $this->returnValue('Day', $format, $ts, $day);
}
/**
* Returns the current weekday
*
* @param string $format (default = 'int') return value format
*
* @return int numeric day of week or timestamp
* @access public
*/
function thisWeekDay($format = 'int')
{
$ts = $this->calendar->thisDay('timestamp');
$day = $this->calendar->cE->getDayOfWeek(
$this->calendar->year,
$this->calendar->month,
$this->calendar->day
);
$day = $this->adjustWeekScale($day);
return $this->returnValue('Day', $format, $ts, $day);
}
/**
* Returns the next weekday
*
* @param string $format (default = 'int') return value format
*
* @return int numeric day of week or timestamp
* @access public
*/
function nextWeekDay($format = 'int')
{
$ts = $this->calendar->nextDay('timestamp');
$Day = new Calendar_Day(2000, 1, 1);
$Day->setTimeStamp($ts);
$day = $this->calendar->cE->getDayOfWeek(
$Day->thisYear(),
$Day->thisMonth(),
$Day->thisDay()
);
$day = $this->adjustWeekScale($day);
return $this->returnValue('Day', $format, $ts, $day);
}
/**
* Adjusts the day of the week relative to the first day of the week
*
* @param int $dayOfWeek day of week calendar from Calendar_Engine
*
* @return int day of week adjusted to first day
* @access private
*/
function adjustWeekScale($dayOfWeek)
{
$dayOfWeek = $dayOfWeek - $this->firstDay;
if ($dayOfWeek >= 0) {
return $dayOfWeek;
} else {
return $this->calendar->cE->getDaysInWeek(
$this->calendar->year,
$this->calendar->month,
$this->calendar->day
) + $dayOfWeek;
}
}
}
?>
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