Subversion-Projekte lars-tiefland.php_share

<?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>&nbsp;</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();

        }

    }

}

?>