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ddelon |
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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//
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Harry Fuecks <hfuecks@phppatterns.com> |
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// | Lorenzo Alberton <l dot alberton at quipo dot it> |
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// +----------------------------------------------------------------------+
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//
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// $Id: Factory.php,v 1.1 2005-09-30 14:58:00 ddelon Exp $
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//
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/**
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* @package Calendar
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* @version $Id: Factory.php,v 1.1 2005-09-30 14:58:00 ddelon Exp $
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*/
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/**
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* Allows Calendar include path to be redefined
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* @ignore
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*/
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if (!defined('CALENDAR_ROOT')) {
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define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR);
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}
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/**
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* Load Calendar base class
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*/
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require_once CALENDAR_ROOT.'Calendar.php';
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/**
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* Constant for the first day of the week (integer e.g. 0-6)
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*/
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if ( !defined ('CALENDAR_FIRST_DAY_OF_WEEK') ) {
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define ('CALENDAR_FIRST_DAY_OF_WEEK',1);
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}
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/**
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* Contains a factory method to return a Singleton instance of a class
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* implementing the Calendar_Engine_Interface.<br>
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* For Month objects, to control type of month returned, use CALENDAR_MONTH_STATE
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* constact e.g.;
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* <code>
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* require_once 'Calendar/Factory.php';
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* define ('CALENDAR_MONTH_STATE',CALENDAR_USE_MONTH_WEEKDAYS); // Use Calendar_Month_Weekdays
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* // define ('CALENDAR_MONTH_STATE',CALENDAR_USE_MONTH_WEEKS); // Use Calendar_Month_Weeks
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* // define ('CALENDAR_MONTH_STATE',CALENDAR_USE_MONTH); // Use Calendar_Month
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* </code>
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* It defaults to building Calendar_Month objects.<br>
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* Use the constract CALENDAR_FIRST_DAY_OF_WEEK to control the first day of the week
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* for Month or Week objects (e.g. 0 = Sunday, 6 = Saturday)
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* @package Calendar
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* @access protected
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*/
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class Calendar_Factory
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{
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/**
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* Creates a calendar object given the type and units
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* @param string class of calendar object to create
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* @param int year
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* @param int month
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* @param int day
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* @param int hour
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* @param int minute
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* @param int second
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* @return object subclass of Calendar
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* @access public
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* @static
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*/
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function create($type, $y = 2000, $m = 1, $d = 1, $h = 0, $i = 0, $s = 0)
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{
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switch ( $type ) {
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case 'Day':
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require_once CALENDAR_ROOT.'Day.php';
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return new Calendar_Day($y,$m,$d);
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break;
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case 'Month':
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// Set default state for which month type to build
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if (!defined('CALENDAR_MONTH_STATE')) {
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define('CALENDAR_MONTH_STATE', CALENDAR_USE_MONTH);
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}
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switch (CALENDAR_MONTH_STATE) {
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case CALENDAR_USE_MONTH_WEEKDAYS:
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require_once CALENDAR_ROOT.'Month'.DIRECTORY_SEPARATOR.'Weekdays.php';
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$class = 'Calendar_Month_Weekdays';
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break;
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case CALENDAR_USE_MONTH_WEEKS:
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require_once CALENDAR_ROOT.'Month'.DIRECTORY_SEPARATOR.'Weeks.php';
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$class = 'Calendar_Month_Weeks';
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break;
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case CALENDAR_USE_MONTH:
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default:
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require_once CALENDAR_ROOT.'Month.php';
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$class = 'Calendar_Month';
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break;
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}
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return new $class($y,$m,CALENDAR_FIRST_DAY_OF_WEEK);
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break;
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case 'Week':
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require_once CALENDAR_ROOT.'Week.php';
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return new Calendar_Week($y,$m,$d,CALENDAR_FIRST_DAY_OF_WEEK);
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break;
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case 'Hour':
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require_once CALENDAR_ROOT.'Hour.php';
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return new Calendar_Hour($y,$m,$d,$h);
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break;
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case 'Minute':
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require_once CALENDAR_ROOT.'Minute.php';
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return new Calendar_Minute($y,$m,$d,$h,$i);
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break;
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case 'Second':
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require_once CALENDAR_ROOT.'Second.php';
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return new Calendar_Second($y,$m,$d,$h,$i,$s);
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break;
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case 'Year':
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require_once CALENDAR_ROOT.'Year.php';
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return new Calendar_Year($y);
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break;
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default:
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require_once 'PEAR.php';
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PEAR::raiseError(
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'Calendar_Factory::create() unrecognised type: '.$type, null, PEAR_ERROR_TRIGGER,
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E_USER_NOTICE, 'Calendar_Factory::create()');
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return false;
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break;
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}
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}
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/**
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* Creates an instance of a calendar object, given a type and timestamp
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* @param string type of object to create
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* @param mixed timestamp (depending on Calendar engine being used)
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* @return object subclass of Calendar
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* @access public
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* @static
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*/
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function & createByTimestamp($type, $stamp)
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{
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$cE = & Calendar_Engine_Factory::getEngine();
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$y = $cE->stampToYear($stamp);
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$m = $cE->stampToMonth($stamp);
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$d = $cE->stampToDay($stamp);
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$h = $cE->stampToHour($stamp);
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$i = $cE->stampToMinute($stamp);
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$s = $cE->stampToSecond($stamp);
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return Calendar_Factory::create($type, $y, $m, $d, $h, $i, $s);
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}
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}
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?>
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