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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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// +----------------------------------------------------------------------+
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//
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// $Id: Day.php,v 1.1 2004/05/24 22:25:42 quipo Exp $
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//
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/**
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 * @package Calendar
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 * @version $Id: Day.php,v 1.1 2004/05/24 22:25:42 quipo 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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 * Represents a Day and builds Hours.
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 * <code>
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 * require_once 'Calendar'.DIRECTORY_SEPARATOR.'Day.php';
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 * $Day = & new Calendar_Day(2003, 10, 21); // Oct 21st 2003
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 * while ($Hour = & $Day->fetch()) {
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 *    echo $Hour->thisHour().'<br />';
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 * }
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 * </code>
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 * @package Calendar
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 * @access public
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 */
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class Calendar_Day extends Calendar
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{
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    /**
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     * Marks the Day at the beginning of a week
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     * @access private
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     * @var boolean
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     */
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    var $first = false;
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    /**
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     * Marks the Day at the end of a week
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    * @access private
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     * @var boolean
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     */
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    var $last = false;
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    /**
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     * Used for tabular calendars
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     * @access private
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     * @var boolean
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     */
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    var $empty = false;
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    /**
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     * Constructs Calendar_Day
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     * @param int year e.g. 2003
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     * @param int month e.g. 8
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     * @param int day e.g. 15
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     * @access public
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     */
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    function Calendar_Day($y, $m, $d)
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    {
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        Calendar::Calendar($y, $m, $d);
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    }
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    /**
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     * Builds the Hours of the Day
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     * @param array (optional) Caledar_Hour objects representing selected dates
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     * @return boolean
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     * @access public
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     */
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    function build($sDates = array())
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    {
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        require_once CALENDAR_ROOT.'Hour.php';
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        $hID = $this->cE->getHoursInDay($this->year, $this->month, $this->day);
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        for ($i=0; $i < $hID; $i++) {
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            $this->children[$i]=
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                new Calendar_Hour($this->year, $this->month, $this->day, $i);
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        }
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        if (count($sDates) > 0) {
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            $this->setSelection($sDates);
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        }
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        return true;
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    }
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    /**
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     * Called from build()
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     * @param array
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     * @return void
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     * @access private
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     */
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    function setSelection($sDates)
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    {
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        foreach ($sDates as $sDate) {
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            if ($this->year == $sDate->thisYear()
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                && $this->month == $sDate->thisMonth()
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                && $this->day == $sDate->thisDay())
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            {
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                $key = (int)$sDate->thisHour();
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                if (isset($this->children[$key])) {
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                    $sDate->setSelected();
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                    $this->children[$key] = $sDate;
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                }
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            }
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        }
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    }
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    /**
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     * Defines Day object as first in a week
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     * Only used by Calendar_Month_Weekdays::build()
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     * @param boolean state
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     * @return void
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     * @access private
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     */
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    function setFirst ($state = true)
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    {
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        $this->first = $state;
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    }
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    /**
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     * Defines Day object as last in a week
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     * Used only following Calendar_Month_Weekdays::build()
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     * @param boolean state
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     * @return void
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     * @access private
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     */
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    function setLast($state = true)
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    {
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        $this->last = $state;
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    }
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    /**
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     * Returns true if Day object is first in a Week
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     * Only relevant when Day is created by Calendar_Month_Weekdays::build()
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     * @return boolean
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     * @access public
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     */
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    function isFirst() {
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        return $this->first;
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    }
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    /**
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     * Returns true if Day object is last in a Week
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     * Only relevant when Day is created by Calendar_Month_Weekdays::build()
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     * @return boolean
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     * @access public
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     */
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    function isLast()
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    {
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        return $this->last;
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    }
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    /**
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     * Defines Day object as empty
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     * Only used by Calendar_Month_Weekdays::build()
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     * @param boolean state
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     * @return void
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     * @access private
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     */
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    function setEmpty ($state = true)
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    {
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        $this->empty = $state;
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    }
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    /**
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     * @return boolean
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     * @access public
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     */
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    function isEmpty()
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    {
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        return $this->empty;
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    }
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}
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?>