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493 ddelon 1 
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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//
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// +----------------------------------------------------------------------+
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// | PHP Version 4                                                        |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group                                |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license,      |
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// | that is bundled with this package in the file LICENSE, and is        |
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// | available at through the world-wide-web at                           |
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// | http://www.php.net/license/3_0.txt.                                  |
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// | If you did not receive a copy of the PHP license and are unable to   |
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// | obtain it through the world-wide-web, please send a note to          |
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// | license@php.net so we can mail you a copy immediately.               |
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// +----------------------------------------------------------------------+
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// | Authors: Harry Fuecks <hfuecks@phppatterns.com>                      |
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// |          Lorenzo Alberton <l dot alberton at quipo dot it>           |
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// +----------------------------------------------------------------------+
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//
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// $Id: Week.php,v 1.1 2005-09-30 14:58:00 ddelon Exp $
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//
23 
/**
24 
 * @package Calendar
25 
 * @version $Id: Week.php,v 1.1 2005-09-30 14:58:00 ddelon Exp $
26 
 */
27 
 
28 
/**
29 
 * Allows Calendar include path to be redefined
30 
 * @ignore
31 
 */
32 
if (!defined('CALENDAR_ROOT')) {
33 
    define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR);
34 
}
35 
 
36 
/**
37 
 * Load Calendar base class
38 
 */
39 
require_once CALENDAR_ROOT.'Calendar.php';
40 
 
41 
/**
42 
 * Represents a Week and builds Days in tabular format<br>
43 
 * <code>
44 
 * require_once 'Calendar'.DIRECTORY_SEPARATOR.'Week.php';
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 * $Week = & new Calendar_Week(2003, 10, 1); Oct 2003, 1st tabular week
46 
 * echo '<tr>';
47 
 * while ($Day = & $Week->fetch()) {
48 
 *     if ($Day->isEmpty()) {
49 
 *         echo '<td>&nbsp;</td>';
50 
 *     } else {
51 
 *         echo '<td>'.$Day->thisDay().'</td>';
52 
 *      }
53 
 * }
54 
 * echo '</tr>';
55 
 * </code>
56 
 * @package Calendar
57 
 * @access public
58 
 */
59 
class Calendar_Week extends Calendar
60 
{
61 
    /**
62 
     * Instance of Calendar_Table_Helper
63 
     * @var Calendar_Table_Helper
64 
     * @access private
65 
     */
66 
    var $tableHelper;
67 
 
68 
    /**
69 
     * Stores the timestamp of the first day of this week
70 
     * @access private
71 
     * @var object
72 
     */
73 
    var $thisWeek;
74 
 
75 
    /**
76 
     * Stores the timestamp of first day of previous week
77 
     * @access private
78 
     * @var object
79 
     */
80 
    var $prevWeek;
81 
 
82 
    /**
83 
     * Stores the timestamp of first day of next week
84 
     * @access private
85 
     * @var object
86 
     */
87 
    var $nextWeek;
88 
 
89 
    /**
90 
     * Used by build() to set empty days
91 
     * @access private
92 
     * @var boolean
93 
     */
94 
    var $firstWeek = false;
95 
 
96 
    /**
97 
     * Used by build() to set empty days
98 
     * @access private
99 
     * @var boolean
100 
     */
101 
    var $lastWeek = false;
102 
 
103 
    /**
104 
     * First day of the week (0=sunday, 1=monday...)
105 
     * @access private
106 
     * @var boolean
107 
     */
108 
    var $firstDay = 1;
109 
 
110 
    /**
111 
     * Constructs Week
112 
     * @param int year e.g. 2003
113 
     * @param int month e.g. 5
114 
     * @param int a day of the desired week
115 
     * @param int (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.)
116 
     * @access public
117 
     */
118 
    function Calendar_Week($y, $m, $d, $firstDay=false)
119 
    {
120 
        require_once CALENDAR_ROOT.'Table'.DIRECTORY_SEPARATOR.'Helper.php';
121 
        Calendar::Calendar($y, $m, $d);
122 
        if ($firstDay !== false) {
123 
            $this->firstDay = $firstDay;
124 
        }
125 
        $this->tableHelper = & new Calendar_Table_Helper($this, $firstDay);
126 
        $this->thisWeek = $this->tableHelper->getWeekStart($y, $m, $d, $firstDay);
127 
        $this->prevWeek = $this->tableHelper->getWeekStart($y, $m, $d - $this->cE->getDaysInWeek(
128 
            $this->thisYear(),
129 
            $this->thisMonth(),
130 
            $this->thisDay()), $firstDay);
131 
        $this->nextWeek = $this->tableHelper->getWeekStart($y, $m, $d + $this->cE->getDaysInWeek(
132 
            $this->thisYear(),
133 
            $this->thisMonth(),
134 
            $this->thisDay()), $firstDay);
135 
    }
136 
 
137 
    /**
138 
     * Defines the calendar by a timestamp (Unix or ISO-8601), replacing values
139 
     * passed to the constructor
140 
     * @param int|string Unix or ISO-8601 timestamp
141 
     * @return void
142 
     * @access public
143 
     */
144 
    function setTimestamp($ts)
145 
    {
146 
        parent::setTimestamp($ts);
147 
 
148 
            $this->year, $this->month, $this->day, $this->firstDay
149 
        );
150 
        $this->prevWeek = $this->tableHelper->getWeekStart(
151 
 
152 
                $this->thisYear(),
153 
                $this->thisMonth(),
154 
                $this->thisDay()), $this->firstDay
155 
        );
156 
        $this->nextWeek = $this->tableHelper->getWeekStart(
157 
            $this->year, $this->month, $this->day + $this->cE->getDaysInWeek(
158 
 
159 
                $this->thisMonth(),
160 
                $this->thisDay()), $this->firstDay
161 
        );
162 
    }
163
164 
    /**
165 
     * Builds Calendar_Day objects for this Week
166 
 
167 
     * @return boolean
168 
     * @access public
169 
     */
170 
    function build($sDates = array())
171 
    {
172 
        require_once CALENDAR_ROOT.'Day.php';
173 
        $year  = $this->cE->stampToYear($this->thisWeek);
174 
        $month = $this->cE->stampToMonth($this->thisWeek);
175 
        $day   = $this->cE->stampToDay($this->thisWeek);
176 
        $end   = $this->cE->getDaysInWeek(
177 
            $this->thisYear(),
178 
            $this->thisMonth(),
179 
            $this->thisDay()
180 
        );
181
182 
        for ($i=1; $i <= $end; $i++) {
183 
            $stamp = $this->cE->dateToStamp($year, $month, $day++);
184 
 
185 
                                $this->cE->stampToYear($stamp),
186 
                                $this->cE->stampToMonth($stamp),
187 
                                $this->cE->stampToDay($stamp));
188 
        }
189
190 
        //set empty days (@see Calendar_Month_Weeks::build())
191 
        if ($this->firstWeek) {
192 
 
193 
            for ($i=1; $i <= $eBefore; $i++) {
194 
                $this->children[$i]->setEmpty();
195 
            }
196 
        }
197 
        if ($this->lastWeek) {
198 
            $eAfter = $this->tableHelper->getEmptyDaysAfterOffset();
199 
            for ($i = $eAfter+1; $i <= $end; $i++) {
200 
                $this->children[$i]->setEmpty();
201 
            }
202 
        }
203
204 
        if (count($sDates) > 0) {
205 
            $this->setSelection($sDates);
206 
 
207 
        return true;
208 
    }
209
210 
    /**
211 
     * @param boolean
212 
 
213 
     * @access private
214 
     */
215 
    function setFirst($state=true)
216 
    {
217 
        $this->firstWeek = $state;
218 
    }
219
220 
    /**
221 
     * @param boolean
222 
 
223 
     * @access private
224 
     */
225 
    function setLast($state=true)
226 
    {
227 
        $this->lastWeek = $state;
228 
    }
229
230 
    /**
231 
     * Called from build()
232 
 
233 
     * @return void
234 
     * @access private
235 
     */
236 
    function setSelection($sDates)
237 
    {
238 
        foreach ($sDates as $sDate) {
239 
            foreach ($this->children as $key => $child) {
240 
                if ($child->thisDay() == $sDate->thisDay() &&
241 
                    $child->thisMonth() == $sDate->thisMonth() &&
242 
 
243 
                ) {
244 
 
245 
                    $this->children[$key]->setSelected();
246 
 
247 
            }
248 
 
249 
        reset($this->children);
250 
    }
251 
 
252 
    /**
253 
 
254 
     *
255 
 
256 
     * @return mixed
257 
 
258 
     */
259 
 
260 
    {
261 
 
262 
            case 'int':
263 
 
264 
                return ($this->firstWeek) ? null : $this->thisWeek('n_in_month') -1;
265 
 
266 
            case 'n_in_year':
267 
                return $this->cE->getWeekNInYear(
268 
                    $this->cE->stampToYear($this->prevWeek),
269 
                    $this->cE->stampToMonth($this->prevWeek),
270 
                    $this->cE->stampToDay($this->prevWeek));
271 
                break;
272 
            case 'array':
273 
                return $this->toArray($this->prevWeek);
274 
                break;
275 
            case 'object':
276 
                require_once CALENDAR_ROOT.'Factory.php';
277 
                return Calendar_Factory::createByTimestamp('Week',$this->prevWeek);
278 
                break;
279 
            case 'timestamp':
280 
            default:
281 
                return $this->prevWeek;
282 
                break;
283 
        }
284 
    }
285
286 
    /**
287 
     * Gets the value of the current week, according to the requested format
288 
     *
289 
     * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array']
290 
     * @return mixed
291 
     * @access public
292 
     */
293 
    function thisWeek($format = 'n_in_month')
294 
    {
295 
        switch (strtolower($format)) {
296 
            case 'int':
297 
            case 'n_in_month':
298 
                if ($this->firstWeek) {
299 
 
300 
                }
301 
                if ($this->lastWeek) {
302 
                    return $this->cE->getWeeksInMonth(
303 
                        $this->cE->stampToYear($this->thisWeek),
304 
                        $this->cE->stampToMonth($this->thisWeek),
305 
                        $this->firstDay);
306 
                }
307 
                return $this->cE->getWeekNInMonth(
308 
                    $this->cE->stampToYear($this->thisWeek),
309 
                    $this->cE->stampToMonth($this->thisWeek),
310 
                    $this->cE->stampToDay($this->thisWeek),
311 
                    $this->firstDay);
312 
                break;
313 
            case 'n_in_year':
314 
                return $this->cE->getWeekNInYear(
315 
                    $this->cE->stampToYear($this->thisWeek),
316 
                    $this->cE->stampToMonth($this->thisWeek),
317 
                    $this->cE->stampToDay($this->thisWeek));
318 
                break;
319 
            case 'array':
320 
                return $this->toArray($this->thisWeek);
321 
                break;
322 
            case 'object':
323 
                require_once CALENDAR_ROOT.'Factory.php';
324 
                return Calendar_Factory::createByTimestamp('Week',$this->thisWeek);
325 
                break;
326 
            case 'timestamp':
327 
            default:
328 
                return $this->thisWeek;
329 
                break;
330 
        }
331 
    }
332
333 
    /**
334 
     * Gets the value of the following week, according to the requested format
335 
     *
336 
     * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array']
337 
     * @return mixed
338 
     * @access public
339 
     */
340 
    function nextWeek($format = 'n_in_month')
341 
    {
342 
        switch (strtolower($format)) {
343 
            case 'int':
344 
            case 'n_in_month':
345 
                return ($this->lastWeek) ? null : $this->thisWeek('n_in_month') +1;
346 
 
347 
            case 'n_in_year':
348 
                return $this->cE->getWeekNInYear(
349 
                    $this->cE->stampToYear($this->nextWeek),
350 
                    $this->cE->stampToMonth($this->nextWeek),
351 
                    $this->cE->stampToDay($this->nextWeek));
352 
                break;
353 
            case 'array':
354 
                return $this->toArray($this->nextWeek);
355 
                break;
356 
            case 'object':
357 
                require_once CALENDAR_ROOT.'Factory.php';
358 
                return Calendar_Factory::createByTimestamp('Week',$this->nextWeek);
359 
                break;
360 
            case 'timestamp':
361 
            default:
362 
                    return $this->nextWeek;
363 
                    break;
364 
        }
365 
    }
366
367 
    /**
368 
     * Returns the instance of Calendar_Table_Helper.
369 
     * Called from Calendar_Validator::isValidWeek
370 
     * @return Calendar_Table_Helper
371 
     * @access protected
372 
     */
373 
    function & getHelper()
374 
    {
375 
        return $this->tableHelper;
376 
    }
377
378 
    /**
379 
     * Makes sure theres a value for $this->day
380 
 
381 
     * @access private
382 
     */
383 
    function findFirstDay()
384 
    {
385 
        if (!count($this->children) > 0) {
386 
            $this->build();
387 
            foreach ($this->children as $Day) {
388 
                if (!$Day->isEmpty()) {
389 
                    $this->day = $Day->thisDay();
390 
                    break;
391 
 
392 
            }
393 
        }
394 
    }
395 
}
396 
?>