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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
* Contains the Calendar_Month_Weekdays class
*
* PHP versions 4 and 5
*
* LICENSE: Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Date and Time
* @package Calendar
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @copyright 2003-2007 Harry Fuecks
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @version CVS: $Id: Weekdays.php 300729 2010-06-24 12:05:53Z quipo $
* @link http://pear.php.net/package/Calendar
*/
/**
* Allows Calendar include path to be redefined
* @ignore
*/
if (!defined('CALENDAR_ROOT')) {
define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR);
}
/**
* Load Calendar base class
*/
require_once CALENDAR_ROOT.'Calendar.php';
/**
* Load base month
*/
require_once CALENDAR_ROOT.'Month.php';
/**
* Represents a Month and builds Days in tabular form<br>
* <code>
* require_once 'Calendar/Month/Weekdays.php';
* $Month = new Calendar_Month_Weekdays(2003, 10); // Oct 2003
* $Month->build(); // Build Calendar_Day objects
* while ($Day = & $Month->fetch()) {
* if ($Day->isFirst()) {
* echo '<tr>';
* }
* if ($Day->isEmpty()) {
* echo '<td> </td>';
* } else {
* echo '<td>'.$Day->thisDay().'</td>';
* }
* if ($Day->isLast()) {
* echo '</tr>';
* }
* }
* </code>
*
* @category Date and Time
* @package Calendar
* @author Harry Fuecks <hfuecks@phppatterns.com>
* @copyright 2003-2007 Harry Fuecks
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
* @link http://pear.php.net/package/Calendar
* @access public
*/
class Calendar_Month_Weekdays extends Calendar_Month
{
/**
* Instance of Calendar_Table_Helper
* @var Calendar_Table_Helper
* @access private
*/
var $tableHelper;
/**
* First day of the week
* @access private
* @var string
*/
var $firstDay;
/**
* Constructs Calendar_Month_Weekdays
*
* @param int $y year e.g. 2003
* @param int $m month e.g. 5
* @param int $firstDay (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.)
*
* @access public
*/
function Calendar_Month_Weekdays($y, $m, $firstDay=null)
{
parent::Calendar_Month($y, $m, $firstDay);
}
/**
* Builds Day objects in tabular form, to allow display of calendar month
* with empty cells if the first day of the week does not fall on the first
* day of the month.
*
* @param array $sDates (optional) Calendar_Day objects representing selected dates
*
* @return boolean
* @access public
* @see Calendar_Day::isEmpty()
* @see Calendar_Day_Base::isFirst()
* @see Calendar_Day_Base::isLast()
*/
function build($sDates = array())
{
include_once CALENDAR_ROOT.'Table/Helper.php';
$this->tableHelper = new Calendar_Table_Helper($this, $this->firstDay);
Calendar_Month::build($sDates);
$this->buildEmptyDaysBefore();
$this->shiftDays();
$this->buildEmptyDaysAfter();
$this->setWeekMarkers();
return true;
}
/**
* Prepends empty days before the real days in the month
*
* @return void
* @access private
*/
function buildEmptyDaysBefore()
{
$eBefore = $this->tableHelper->getEmptyDaysBefore();
for ($i=0; $i < $eBefore; $i++) {
$stamp = $this->cE->dateToStamp($this->year, $this->month, -$i);
$Day = new Calendar_Day(
$this->cE->stampToYear($stamp),
$this->cE->stampToMonth($stamp),
$this->cE->stampToDay($stamp));
$Day->setEmpty();
$Day->adjust();
array_unshift($this->children, $Day);
}
}
/**
* Shifts the array of children forward, if necessary
*
* @return void
* @access private
*/
function shiftDays()
{
if (isset($this->children[0])) {
array_unshift($this->children, null);
unset($this->children[0]);
}
}
/**
* Appends empty days after the real days in the month
*
* @return void
* @access private
*/
function buildEmptyDaysAfter()
{
$eAfter = $this->tableHelper->getEmptyDaysAfter();
$sDOM = $this->tableHelper->getNumTableDaysInMonth();
for ($i=1; $i <= $sDOM-$eAfter; $i++) {
$Day = new Calendar_Day($this->year, $this->month+1, $i);
$Day->setEmpty();
$Day->adjust();
array_push($this->children, $Day);
}
}
/**
* Sets the "markers" for the beginning and of a of week, in the
* built Calendar_Day children
*
* @return void
* @access private
*/
function setWeekMarkers()
{
$dIW = $this->cE->getDaysInWeek(
$this->thisYear(),
$this->thisMonth(),
$this->thisDay()
);
$sDOM = $this->tableHelper->getNumTableDaysInMonth();
for ($i=1; $i <= $sDOM; $i+= $dIW) {
$this->children[$i]->setFirst();
$this->children[$i+($dIW-1)]->setLast();
}
}
}
?>
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