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| <?php |
| /* vim: set expandtab tabstop=4 shiftwidth=4: */ |
| // |
| // +----------------------------------------------------------------------+ |
| // | PHP Version 4 | |
| // +----------------------------------------------------------------------+ |
| // | Copyright (c) 1997-2002 The PHP Group | |
| // +----------------------------------------------------------------------+ |
| // | This source file is subject to version 2.02 of the PHP license, | |
| // | that is bundled with this package in the file LICENSE, and is | |
| // | available at through the world-wide-web at | |
| // | http://www.php.net/license/3_0.txt. | |
| // | If you did not receive a copy of the PHP license and are unable to | |
| // | obtain it through the world-wide-web, please send a note to | |
| // | license@php.net so we can mail you a copy immediately. | |
| // +----------------------------------------------------------------------+ |
| // | Authors: Harry Fuecks <hfuecks@phppatterns.com> | |
| // | Lorenzo Alberton <l dot alberton at quipo dot it> | |
| // +----------------------------------------------------------------------+ |
| // |
| // $Id: Weekday.php,v 1.3 2004/08/16 12:25:15 hfuecks Exp $ |
| // |
| /** |
| * @package Calendar |
| * @version $Id: Weekday.php,v 1.3 2004/08/16 12:25:15 hfuecks Exp $ |
| */ |
| |
| /** |
| * 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> |
| * @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 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 first day of week |
| * @return void |
| * @access public |
| */ |
| function setFirstDay($firstDay) { |
| $this->firstDay = (int)$firstDay; |
| } |
| |
| /** |
| * Returns the previous weekday |
| * @param string (default = 'int') return value format |
| * @return int 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, $day); |
| } |
| |
| /** |
| * Returns the current weekday |
| * @param string (default = 'int') return value format |
| * @return int numeric day of week or timestamp |
| * @access public |
| */ |
| function thisWeekDay($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, $day); |
| } |
| |
| /** |
| * Returns the next weekday |
| * @param string (default = 'int') return value format |
| * @return int numeric day of week or timestamp |
| * @access public |
| */ |
| function nextWeekDay($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, $day); |
| } |
| |
| /** |
| * Adjusts the day of the week relative to the first day of the week |
| * @param int day of week calendar from Calendar_Engine |
| * @return int day of week adjusted to first day |
| * @access private |
| */ |
| function adjustWeekScale($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; |
| } |
| } |
| } |
| ?> |