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