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/trunk/classes/pear/Calendar/Util/Textual.php
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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: Textual.php,v 1.2 2004/08/16 13:13:09 hfuecks Exp $
//
/**
* @package Calendar
* @version $Id: Textual.php,v 1.2 2004/08/16 13:13:09 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';
 
/**
* Static utlities to help with fetching textual representations of months and
* days of the week.
* @package Calendar
* @access public
*/
class Calendar_Util_Textual
{
 
/**
* Returns an array of 12 month names (first index = 1)
* @param string (optional) format of returned months (one,two,short or long)
* @return array
* @access public
* @static
*/
function monthNames($format='long')
{
$formats = array('one'=>'%b', 'two'=>'%b', 'short'=>'%b', 'long'=>'%B');
if (!array_key_exists($format,$formats)) {
$format = 'long';
}
$months = array();
for ($i=1; $i<=12; $i++) {
$stamp = mktime(0, 0, 0, $i, 1, 2003);
$month = strftime($formats[$format], $stamp);
switch($format) {
case 'one':
$month = substr($month, 0, 1);
break;
case 'two':
$month = substr($month, 0, 2);
break;
}
$months[$i] = $month;
}
return $months;
}
 
/**
* Returns an array of 7 week day names (first index = 0)
* @param string (optional) format of returned days (one,two,short or long)
* @return array
* @access public
* @static
*/
function weekdayNames($format='long')
{
$formats = array('one'=>'%a', 'two'=>'%a', 'short'=>'%a', 'long'=>'%A');
if (!array_key_exists($format,$formats)) {
$format = 'long';
}
$days = array();
for ($i=0; $i<=6; $i++) {
$stamp = mktime(0, 0, 0, 11, $i+2, 2003);
$day = strftime($formats[$format], $stamp);
switch($format) {
case 'one':
$day = substr($day, 0, 1);
break;
case 'two':
$day = substr($day, 0, 2);
break;
}
$days[$i] = $day;
}
return $days;
}
 
/**
* Returns textual representation of the previous month of the decorated calendar object
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return string
* @access public
* @static
*/
function prevMonthName($Calendar, $format='long')
{
$months = Calendar_Util_Textual::monthNames($format);
return $months[$Calendar->prevMonth()];
}
 
/**
* Returns textual representation of the month of the decorated calendar object
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return string
* @access public
* @static
*/
function thisMonthName($Calendar, $format='long')
{
$months = Calendar_Util_Textual::monthNames($format);
return $months[$Calendar->thisMonth()];
}
 
/**
* Returns textual representation of the next month of the decorated calendar object
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return string
* @access public
* @static
*/
function nextMonthName($Calendar, $format='long')
{
$months = Calendar_Util_Textual::monthNames($format);
return $months[$Calendar->nextMonth()];
}
 
/**
* Returns textual representation of the previous day of week of the decorated calendar object
* <b>Note:</b> Requires PEAR::Date
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return string
* @access public
* @static
*/
function prevDayName($Calendar, $format='long')
{
$days = Calendar_Util_Textual::weekdayNames($format);
$stamp = $Calendar->prevDay('timestamp');
$cE = $Calendar->getEngine();
require_once 'Date/Calc.php';
$day = Date_Calc::dayOfWeek($cE->stampToDay($stamp),
$cE->stampToMonth($stamp), $cE->stampToYear($stamp));
return $days[$day];
}
 
/**
* Returns textual representation of the day of week of the decorated calendar object
* <b>Note:</b> Requires PEAR::Date
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return string
* @access public
* @static
*/
function thisDayName($Calendar, $format='long')
{
$days = Calendar_Util_Textual::weekdayNames($format);
require_once 'Date/Calc.php';
$day = Date_Calc::dayOfWeek($Calendar->thisDay(), $Calendar->thisMonth(), $Calendar->thisYear());
return $days[$day];
}
 
/**
* Returns textual representation of the next day of week of the decorated calendar object
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return string
* @access public
* @static
*/
function nextDayName($Calendar, $format='long')
{
$days = Calendar_Util_Textual::weekdayNames($format);
$stamp = $Calendar->nextDay('timestamp');
$cE = $Calendar->getEngine();
require_once 'Date/Calc.php';
$day = Date_Calc::dayOfWeek($cE->stampToDay($stamp),
$cE->stampToMonth($stamp), $cE->stampToYear($stamp));
return $days[$day];
}
 
/**
* Returns the days of the week using the order defined in the decorated
* calendar object. Only useful for Calendar_Month_Weekdays, Calendar_Month_Weeks
* and Calendar_Week. Otherwise the returned array will begin on Sunday
* @param object subclass of Calendar e.g. Calendar_Month
* @param string (optional) format of returned months (one,two,short or long)
* @return array ordered array of week day names
* @access public
* @static
*/
function orderedWeekdays($Calendar, $format='long')
{
$days = Calendar_Util_Textual::weekdayNames($format);
// Not so good - need methods to access this information perhaps...
if (isset($Calendar->tableHelper)) {
$ordereddays = $Calendar->tableHelper->daysOfWeek;
} else {
$ordereddays = array(0, 1, 2, 3, 4, 5, 6);
}
$ordereddays = array_flip($ordereddays);
$i = 0;
$returndays = array();
foreach ($ordereddays as $key => $value) {
$returndays[$i] = $days[$key];
$i++;
}
return $returndays;
}
}
?>