OpenPNE2 /lib/include/Calendar/Table/Helper.php

Language PHP Lines 280
MD5 Hash 373dbb039b9b3c2b3863f53fb319e6d9
Repository https://github.com/openpne/OpenPNE2.git View Raw File View Project SPDX
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
<?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>                      |
// +----------------------------------------------------------------------+
//
// $Id: Helper.php,v 1.5 2005/10/22 09:51:53 quipo Exp $
//
/**
 * @package Calendar
 * @version $Id: Helper.php,v 1.5 2005/10/22 09:51:53 quipo Exp $
 */

/**
 * Used by Calendar_Month_Weekdays, Calendar_Month_Weeks and Calendar_Week to
 * help with building the calendar in tabular form
 * @package Calendar
 * @access protected
 */
class Calendar_Table_Helper
{
    /**
     * Instance of the Calendar object being helped.
     * @var object
     * @access private
     */
    var $calendar;

    /**
     * Instance of the Calendar_Engine
     * @var object
     * @access private
     */
    var $cE;

    /**
     * First day of the week
     * @access private
     * @var string
     */
    var $firstDay;

    /**
     * The seven days of the week named
     * @access private
     * @var array
     */
    var $weekDays;

    /**
     * Days of the week ordered with $firstDay at the beginning
     * @access private
     * @var array
     */
    var $daysOfWeek = array();

    /**
     * Days of the month built from days of the week
     * @access private
     * @var array
     */
    var $daysOfMonth = array();

    /**
     * Number of weeks in month
     * @var int
     * @access private
     */
    var $numWeeks = null;

    /**
     * Number of emtpy days before real days begin in month
     * @var int
     * @access private
     */
    var $emptyBefore = 0;

    /**
     * Constructs Calendar_Table_Helper
     * @param object Calendar_Month_Weekdays, Calendar_Month_Weeks, Calendar_Week
     * @param int (optional) first day of the week e.g. 1 for Monday
     * @access protected
     */
    function Calendar_Table_Helper(& $calendar, $firstDay=null)
    {
        $this->calendar = & $calendar;
        $this->cE = & $calendar->getEngine();
        if (is_null($firstDay)) {
            $firstDay = $this->cE->getFirstDayOfWeek(
                $this->calendar->thisYear(),
                $this->calendar->thisMonth(),
                $this->calendar->thisDay()
            );
        }
        $this->firstDay = $firstDay;
        $this->setFirstDay();
        $this->setDaysOfMonth();
    }

    /**
     * Constructs $this->daysOfWeek based on $this->firstDay
     * @return void
     * @access private
     */
    function setFirstDay()
    {
        $weekDays = $this->cE->getWeekDays(
            $this->calendar->thisYear(),
            $this->calendar->thisMonth(),
            $this->calendar->thisDay()
        );
        $endDays  = array();
        $tmpDays  = array();
        $begin = false;
        foreach ($weekDays as $day) {
            if ($begin) {
                $endDays[] = $day;
            } else if ($day === $this->firstDay) {
                $begin = true;
                $endDays[] = $day;
            } else {
                $tmpDays[] = $day;
            }
        }
        $this->daysOfWeek = array_merge($endDays, $tmpDays);
    }

    /**
     * Constructs $this->daysOfMonth
     * @return void
     * @access private
     */
    function setDaysOfMonth()
    {
        $this->daysOfMonth = $this->daysOfWeek;
        $daysInMonth = $this->cE->getDaysInMonth(
            $this->calendar->thisYear(), $this->calendar->thisMonth());
        $firstDayInMonth = $this->cE->getFirstDayInMonth(
            $this->calendar->thisYear(), $this->calendar->thisMonth());
        $this->emptyBefore=0;
        foreach ($this->daysOfMonth as $dayOfWeek) {
            if ($firstDayInMonth == $dayOfWeek) {
                break;
            }
            $this->emptyBefore++;
        }
        $this->numWeeks = ceil(
            ($daysInMonth + $this->emptyBefore)
                /
            $this->cE->getDaysInWeek(
                $this->calendar->thisYear(),
                $this->calendar->thisMonth(),
                $this->calendar->thisDay()
            )
        );
        for ($i=1; $i < $this->numWeeks; $i++) {
            $this->daysOfMonth =
                array_merge($this->daysOfMonth, $this->daysOfWeek);
        }
    }

    /**
     * Returns the first day of the month
     * @see Calendar_Engine_Interface::getFirstDayOfWeek()
     * @return int
     * @access protected
     */
    function getFirstDay()
    {
        return $this->firstDay;
    }

    /**
     * Returns the order array of days in a week
     * @return int
     * @access protected
     */
    function getDaysOfWeek()
    {
        return $this->daysOfWeek;
    }

    /**
     * Returns the number of tabular weeks in a month
     * @return int
     * @access protected
     */
    function getNumWeeks()
    {
        return $this->numWeeks;
    }

    /**
     * Returns the number of real days + empty days
     * @return int
     * @access protected
     */
    function getNumTableDaysInMonth()
    {
        return count($this->daysOfMonth);
    }

    /**
     * Returns the number of empty days before the real days begin
     * @return int
     * @access protected
     */
    function getEmptyDaysBefore()
    {
        return $this->emptyBefore;
    }

    /**
     * Returns the index of the last real day in the month
     * @todo Potential performance optimization with static
     * @return int
     * @access protected
     */
    function getEmptyDaysAfter()
    {
        // Causes bug when displaying more than one month
//        static $index;
//        if (!isset($index)) {
            $index = $this->getEmptyDaysBefore() + $this->cE->getDaysInMonth(
                $this->calendar->thisYear(), $this->calendar->thisMonth());
//        }
        return $index;
    }

    /**
     * Returns the index of the last real day in the month, relative to the
     * beginning of the tabular week it is part of
     * @return int
     * @access protected
     */
    function getEmptyDaysAfterOffset()
    {
        $eAfter = $this->getEmptyDaysAfter();
        return $eAfter - (
            $this->cE->getDaysInWeek(
                $this->calendar->thisYear(),
                $this->calendar->thisMonth(),
                $this->calendar->thisDay()
            ) * ($this->numWeeks-1) );
    }

    /**
     * Returns the timestamp of the first day of the current week
     */
    function getWeekStart($y, $m, $d, $firstDay=1)
    {
        $dow = $this->cE->getDayOfWeek($y, $m, $d);
        if ($dow > $firstDay) {
            $d -= ($dow - $firstDay);
        }
        if ($dow < $firstDay) {
            $d -= (
                $this->cE->getDaysInWeek(
                    $this->calendar->thisYear(),
                    $this->calendar->thisMonth(),
                    $this->calendar->thisDay()
                ) - $firstDay + $dow);
        }
        return $this->cE->dateToStamp($y, $m, $d);
    }
}
?>
Back to Top