source: branches/version-2_13_0/data/module/Calendar/Month/Weekdays.php @ 23126

Revision 23126, 6.6 KB checked in by m_uehara, 11 years ago (diff)

#2348 r23116 - r23125 をマージ

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1<?php
2/* vim: set expandtab tabstop=4 shiftwidth=4: */
3
4/**
5 * Contains the Calendar_Month_Weekdays class
6 *
7 * PHP versions 4 and 5
8 *
9 * LICENSE: Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * @category  Date and Time
31 * @package   Calendar
32 * @author    Harry Fuecks <hfuecks@phppatterns.com>
33 * @copyright 2003-2007 Harry Fuecks
34 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
35 * @version   CVS: $Id: Weekdays.php 300729 2010-06-24 12:05:53Z quipo $
36 * @link      http://pear.php.net/package/Calendar
37 */
38
39/**
40 * Allows Calendar include path to be redefined
41 * @ignore
42 */
43if (!defined('CALENDAR_ROOT')) {
44    define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR);
45}
46
47/**
48 * Load Calendar base class
49 */
50require_once CALENDAR_ROOT.'Calendar.php';
51
52/**
53 * Load base month
54 */
55require_once CALENDAR_ROOT.'Month.php';
56
57/**
58 * Represents a Month and builds Days in tabular form<br>
59 * <code>
60 * require_once 'Calendar/Month/Weekdays.php';
61 * $Month = new Calendar_Month_Weekdays(2003, 10); // Oct 2003
62 * $Month->build(); // Build Calendar_Day objects
63 * while ($Day = & $Month->fetch()) {
64 *     if ($Day->isFirst()) {
65 *         echo '<tr>';
66 *     }
67 *     if ($Day->isEmpty()) {
68 *         echo '<td>&nbsp;</td>';
69 *     } else {
70 *         echo '<td>'.$Day->thisDay().'</td>';
71 *     }
72 *     if ($Day->isLast()) {
73 *         echo '</tr>';
74 *     }
75 * }
76 * </code>
77 *
78 * @category  Date and Time
79 * @package   Calendar
80 * @author    Harry Fuecks <hfuecks@phppatterns.com>
81 * @copyright 2003-2007 Harry Fuecks
82 * @license   http://www.debian.org/misc/bsd.license  BSD License (3 Clause)
83 * @link      http://pear.php.net/package/Calendar
84 * @access    public
85 */
86class Calendar_Month_Weekdays extends Calendar_Month
87{
88    /**
89     * Instance of Calendar_Table_Helper
90     * @var Calendar_Table_Helper
91     * @access private
92     */
93    var $tableHelper;
94
95    /**
96     * First day of the week
97     * @access private
98     * @var string
99     */
100    var $firstDay;
101
102    /**
103     * Constructs Calendar_Month_Weekdays
104     *
105     * @param int $y        year e.g. 2003
106     * @param int $m        month e.g. 5
107     * @param int $firstDay (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.)
108     *
109     * @access public
110     */
111    function Calendar_Month_Weekdays($y, $m, $firstDay=null)
112    {
113        parent::Calendar_Month($y, $m, $firstDay);
114    }
115
116    /**
117     * Builds Day objects in tabular form, to allow display of calendar month
118     * with empty cells if the first day of the week does not fall on the first
119     * day of the month.
120     *
121     * @param array $sDates (optional) Calendar_Day objects representing selected dates
122     *
123     * @return boolean
124     * @access public
125     * @see Calendar_Day::isEmpty()
126     * @see Calendar_Day_Base::isFirst()
127     * @see Calendar_Day_Base::isLast()
128     */
129    function build($sDates = array())
130    {
131        include_once CALENDAR_ROOT.'Table/Helper.php';
132        $this->tableHelper = new Calendar_Table_Helper($this, $this->firstDay);
133        Calendar_Month::build($sDates);
134        $this->buildEmptyDaysBefore();
135        $this->shiftDays();
136        $this->buildEmptyDaysAfter();
137        $this->setWeekMarkers();
138        return true;
139    }
140
141    /**
142     * Prepends empty days before the real days in the month
143     *
144     * @return void
145     * @access private
146     */
147    function buildEmptyDaysBefore()
148    {
149        $eBefore = $this->tableHelper->getEmptyDaysBefore();
150        for ($i=0; $i < $eBefore; $i++) {
151            $stamp = $this->cE->dateToStamp($this->year, $this->month, -$i);
152            $Day = new Calendar_Day(
153                                $this->cE->stampToYear($stamp),
154                                $this->cE->stampToMonth($stamp),
155                                $this->cE->stampToDay($stamp));
156            $Day->setEmpty();
157            $Day->adjust();
158            array_unshift($this->children, $Day);
159        }
160    }
161
162    /**
163     * Shifts the array of children forward, if necessary
164     *
165     * @return void
166     * @access private
167     */
168    function shiftDays()
169    {
170        if (isset($this->children[0])) {
171            array_unshift($this->children, null);
172            unset($this->children[0]);
173        }
174    }
175
176    /**
177     * Appends empty days after the real days in the month
178     *
179     * @return void
180     * @access private
181     */
182    function buildEmptyDaysAfter()
183    {
184        $eAfter = $this->tableHelper->getEmptyDaysAfter();
185        $sDOM   = $this->tableHelper->getNumTableDaysInMonth();
186        for ($i=1; $i <= $sDOM-$eAfter; $i++) {
187            $Day = new Calendar_Day($this->year, $this->month+1, $i);
188            $Day->setEmpty();
189            $Day->adjust();
190            array_push($this->children, $Day);
191        }
192    }
193
194    /**
195     * Sets the "markers" for the beginning and of a of week, in the
196     * built Calendar_Day children
197     *
198     * @return void
199     * @access private
200     */
201    function setWeekMarkers()
202    {
203        $dIW = $this->cE->getDaysInWeek(
204            $this->thisYear(),
205            $this->thisMonth(),
206            $this->thisDay()
207        );
208        $sDOM = $this->tableHelper->getNumTableDaysInMonth();
209        for ($i=1; $i <= $sDOM; $i+= $dIW) {
210            $this->children[$i]->setFirst();
211            $this->children[$i+($dIW-1)]->setLast();
212        }
213    }
214}
215?>
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