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Viewing changes to codeigniter/system/libraries/Calendar.php

  • Committer: Gustav Hatvigsson
  • Date: 2013-04-11 09:20:09 UTC
  • mfrom: (19.1.5 lenasys)
  • Revision ID: gustav.hartvigsson@gmail.com-20130411092009-ylcqzqwcmjdglb17
merged in implemetaion group one's team bransh, it contains code-ignighter
and the new admin-panel.
20130411

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codeigniter/system/libraries/Calendar.php
 
1
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
2
/**
 
3
 * CodeIgniter
 
4
 *
 
5
 * An open source application development framework for PHP 5.1.6 or newer
 
6
 *
 
7
 * @package             CodeIgniter
 
8
 * @author              ExpressionEngine Dev Team
 
9
 * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
 
10
 * @license             http://codeigniter.com/user_guide/license.html
 
11
 * @link                http://codeigniter.com
 
12
 * @since               Version 1.0
 
13
 * @filesource
 
14
 */
 
15
 
 
16
// ------------------------------------------------------------------------
 
17
 
 
18
/**
 
19
 * CodeIgniter Calendar Class
 
20
 *
 
21
 * This class enables the creation of calendars
 
22
 *
 
23
 * @package             CodeIgniter
 
24
 * @subpackage  Libraries
 
25
 * @category    Libraries
 
26
 * @author              ExpressionEngine Dev Team
 
27
 * @link                http://codeigniter.com/user_guide/libraries/calendar.html
 
28
 */
 
29
class CI_Calendar {
 
30
 
 
31
        var $CI;
 
32
        var $lang;
 
33
        var $local_time;
 
34
        var $template           = '';
 
35
        var $start_day          = 'sunday';
 
36
        var $month_type         = 'long';
 
37
        var $day_type           = 'abr';
 
38
        var $show_next_prev     = FALSE;
 
39
        var $next_prev_url      = '';
 
40
 
 
41
        /**
 
42
         * Constructor
 
43
         *
 
44
         * Loads the calendar language file and sets the default time reference
 
45
         */
 
46
        public function __construct($config = array())
 
47
        {
 
48
                $this->CI =& get_instance();
 
49
 
 
50
                if ( ! in_array('calendar_lang.php', $this->CI->lang->is_loaded, TRUE))
 
51
                {
 
52
                        $this->CI->lang->load('calendar');
 
53
                }
 
54
 
 
55
                $this->local_time = time();
 
56
 
 
57
                if (count($config) > 0)
 
58
                {
 
59
                        $this->initialize($config);
 
60
                }
 
61
 
 
62
                log_message('debug', "Calendar Class Initialized");
 
63
        }
 
64
 
 
65
        // --------------------------------------------------------------------
 
66
 
 
67
        /**
 
68
         * Initialize the user preferences
 
69
         *
 
70
         * Accepts an associative array as input, containing display preferences
 
71
         *
 
72
         * @access      public
 
73
         * @param       array   config preferences
 
74
         * @return      void
 
75
         */
 
76
        function initialize($config = array())
 
77
        {
 
78
                foreach ($config as $key => $val)
 
79
                {
 
80
                        if (isset($this->$key))
 
81
                        {
 
82
                                $this->$key = $val;
 
83
                        }
 
84
                }
 
85
        }
 
86
 
 
87
        // --------------------------------------------------------------------
 
88
 
 
89
        /**
 
90
         * Generate the calendar
 
91
         *
 
92
         * @access      public
 
93
         * @param       integer the year
 
94
         * @param       integer the month
 
95
         * @param       array   the data to be shown in the calendar cells
 
96
         * @return      string
 
97
         */
 
98
        function generate($year = '', $month = '', $data = array())
 
99
        {
 
100
                // Set and validate the supplied month/year
 
101
                if ($year == '')
 
102
                        $year  = date("Y", $this->local_time);
 
103
 
 
104
                if ($month == '')
 
105
                        $month = date("m", $this->local_time);
 
106
 
 
107
                if (strlen($year) == 1)
 
108
                        $year = '200'.$year;
 
109
 
 
110
                if (strlen($year) == 2)
 
111
                        $year = '20'.$year;
 
112
 
 
113
                if (strlen($month) == 1)
 
114
                        $month = '0'.$month;
 
115
 
 
116
                $adjusted_date = $this->adjust_date($month, $year);
 
117
 
 
118
                $month  = $adjusted_date['month'];
 
119
                $year   = $adjusted_date['year'];
 
120
 
 
121
                // Determine the total days in the month
 
122
                $total_days = $this->get_total_days($month, $year);
 
123
 
 
124
                // Set the starting day of the week
 
125
                $start_days     = array('sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday' => 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6);
 
126
                $start_day = ( ! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day];
 
127
 
 
128
                // Set the starting day number
 
129
                $local_date = mktime(12, 0, 0, $month, 1, $year);
 
130
                $date = getdate($local_date);
 
131
                $day  = $start_day + 1 - $date["wday"];
 
132
 
 
133
                while ($day > 1)
 
134
                {
 
135
                        $day -= 7;
 
136
                }
 
137
 
 
138
                // Set the current month/year/day
 
139
                // We use this to determine the "today" date
 
140
                $cur_year       = date("Y", $this->local_time);
 
141
                $cur_month      = date("m", $this->local_time);
 
142
                $cur_day        = date("j", $this->local_time);
 
143
 
 
144
                $is_current_month = ($cur_year == $year AND $cur_month == $month) ? TRUE : FALSE;
 
145
 
 
146
                // Generate the template data array
 
147
                $this->parse_template();
 
148
 
 
149
                // Begin building the calendar output
 
150
                $out = $this->temp['table_open'];
 
151
                $out .= "\n";
 
152
 
 
153
                $out .= "\n";
 
154
                $out .= $this->temp['heading_row_start'];
 
155
                $out .= "\n";
 
156
 
 
157
                // "previous" month link
 
158
                if ($this->show_next_prev == TRUE)
 
159
                {
 
160
                        // Add a trailing slash to the  URL if needed
 
161
                        $this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/",  $this->next_prev_url);
 
162
 
 
163
                        $adjusted_date = $this->adjust_date($month - 1, $year);
 
164
                        $out .= str_replace('{previous_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_previous_cell']);
 
165
                        $out .= "\n";
 
166
                }
 
167
 
 
168
                // Heading containing the month/year
 
169
                $colspan = ($this->show_next_prev == TRUE) ? 5 : 7;
 
170
 
 
171
                $this->temp['heading_title_cell'] = str_replace('{colspan}', $colspan, $this->temp['heading_title_cell']);
 
172
                $this->temp['heading_title_cell'] = str_replace('{heading}', $this->get_month_name($month)."&nbsp;".$year, $this->temp['heading_title_cell']);
 
173
 
 
174
                $out .= $this->temp['heading_title_cell'];
 
175
                $out .= "\n";
 
176
 
 
177
                // "next" month link
 
178
                if ($this->show_next_prev == TRUE)
 
179
                {
 
180
                        $adjusted_date = $this->adjust_date($month + 1, $year);
 
181
                        $out .= str_replace('{next_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_next_cell']);
 
182
                }
 
183
 
 
184
                $out .= "\n";
 
185
                $out .= $this->temp['heading_row_end'];
 
186
                $out .= "\n";
 
187
 
 
188
                // Write the cells containing the days of the week
 
189
                $out .= "\n";
 
190
                $out .= $this->temp['week_row_start'];
 
191
                $out .= "\n";
 
192
 
 
193
                $day_names = $this->get_day_names();
 
194
 
 
195
                for ($i = 0; $i < 7; $i ++)
 
196
                {
 
197
                        $out .= str_replace('{week_day}', $day_names[($start_day + $i) %7], $this->temp['week_day_cell']);
 
198
                }
 
199
 
 
200
                $out .= "\n";
 
201
                $out .= $this->temp['week_row_end'];
 
202
                $out .= "\n";
 
203
 
 
204
                // Build the main body of the calendar
 
205
                while ($day <= $total_days)
 
206
                {
 
207
                        $out .= "\n";
 
208
                        $out .= $this->temp['cal_row_start'];
 
209
                        $out .= "\n";
 
210
 
 
211
                        for ($i = 0; $i < 7; $i++)
 
212
                        {
 
213
                                $out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_start_today'] : $this->temp['cal_cell_start'];
 
214
 
 
215
                                if ($day > 0 AND $day <= $total_days)
 
216
                                {
 
217
                                        if (isset($data[$day]))
 
218
                                        {
 
219
                                                // Cells with content
 
220
                                                $temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_content_today'] : $this->temp['cal_cell_content'];
 
221
                                                $out .= str_replace('{day}', $day, str_replace('{content}', $data[$day], $temp));
 
222
                                        }
 
223
                                        else
 
224
                                        {
 
225
                                                // Cells with no content
 
226
                                                $temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_no_content_today'] : $this->temp['cal_cell_no_content'];
 
227
                                                $out .= str_replace('{day}', $day, $temp);
 
228
                                        }
 
229
                                }
 
230
                                else
 
231
                                {
 
232
                                        // Blank cells
 
233
                                        $out .= $this->temp['cal_cell_blank'];
 
234
                                }
 
235
 
 
236
                                $out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end'];                                     
 
237
                                $day++;
 
238
                        }
 
239
 
 
240
                        $out .= "\n";
 
241
                        $out .= $this->temp['cal_row_end'];
 
242
                        $out .= "\n";
 
243
                }
 
244
 
 
245
                $out .= "\n";
 
246
                $out .= $this->temp['table_close'];
 
247
 
 
248
                return $out;
 
249
        }
 
250
 
 
251
        // --------------------------------------------------------------------
 
252
 
 
253
        /**
 
254
         * Get Month Name
 
255
         *
 
256
         * Generates a textual month name based on the numeric
 
257
         * month provided.
 
258
         *
 
259
         * @access      public
 
260
         * @param       integer the month
 
261
         * @return      string
 
262
         */
 
263
        function get_month_name($month)
 
264
        {
 
265
                if ($this->month_type == 'short')
 
266
                {
 
267
                        $month_names = array('01' => 'cal_jan', '02' => 'cal_feb', '03' => 'cal_mar', '04' => 'cal_apr', '05' => 'cal_may', '06' => 'cal_jun', '07' => 'cal_jul', '08' => 'cal_aug', '09' => 'cal_sep', '10' => 'cal_oct', '11' => 'cal_nov', '12' => 'cal_dec');
 
268
                }
 
269
                else
 
270
                {
 
271
                        $month_names = array('01' => 'cal_january', '02' => 'cal_february', '03' => 'cal_march', '04' => 'cal_april', '05' => 'cal_mayl', '06' => 'cal_june', '07' => 'cal_july', '08' => 'cal_august', '09' => 'cal_september', '10' => 'cal_october', '11' => 'cal_november', '12' => 'cal_december');
 
272
                }
 
273
 
 
274
                $month = $month_names[$month];
 
275
 
 
276
                if ($this->CI->lang->line($month) === FALSE)
 
277
                {
 
278
                        return ucfirst(str_replace('cal_', '', $month));
 
279
                }
 
280
 
 
281
                return $this->CI->lang->line($month);
 
282
        }
 
283
 
 
284
        // --------------------------------------------------------------------
 
285
 
 
286
        /**
 
287
         * Get Day Names
 
288
         *
 
289
         * Returns an array of day names (Sunday, Monday, etc.) based
 
290
         * on the type.  Options: long, short, abrev
 
291
         *
 
292
         * @access      public
 
293
         * @param       string
 
294
         * @return      array
 
295
         */
 
296
        function get_day_names($day_type = '')
 
297
        {
 
298
                if ($day_type != '')
 
299
                        $this->day_type = $day_type;
 
300
 
 
301
                if ($this->day_type == 'long')
 
302
                {
 
303
                        $day_names = array('sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday');
 
304
                }
 
305
                elseif ($this->day_type == 'short')
 
306
                {
 
307
                        $day_names = array('sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat');
 
308
                }
 
309
                else
 
310
                {
 
311
                        $day_names = array('su', 'mo', 'tu', 'we', 'th', 'fr', 'sa');
 
312
                }
 
313
 
 
314
                $days = array();
 
315
                foreach ($day_names as $val)
 
316
                {
 
317
                        $days[] = ($this->CI->lang->line('cal_'.$val) === FALSE) ? ucfirst($val) : $this->CI->lang->line('cal_'.$val);
 
318
                }
 
319
 
 
320
                return $days;
 
321
        }
 
322
 
 
323
        // --------------------------------------------------------------------
 
324
 
 
325
        /**
 
326
         * Adjust Date
 
327
         *
 
328
         * This function makes sure that we have a valid month/year.
 
329
         * For example, if you submit 13 as the month, the year will
 
330
         * increment and the month will become January.
 
331
         *
 
332
         * @access      public
 
333
         * @param       integer the month
 
334
         * @param       integer the year
 
335
         * @return      array
 
336
         */
 
337
        function adjust_date($month, $year)
 
338
        {
 
339
                $date = array();
 
340
 
 
341
                $date['month']  = $month;
 
342
                $date['year']   = $year;
 
343
 
 
344
                while ($date['month'] > 12)
 
345
                {
 
346
                        $date['month'] -= 12;
 
347
                        $date['year']++;
 
348
                }
 
349
 
 
350
                while ($date['month'] <= 0)
 
351
                {
 
352
                        $date['month'] += 12;
 
353
                        $date['year']--;
 
354
                }
 
355
 
 
356
                if (strlen($date['month']) == 1)
 
357
                {
 
358
                        $date['month'] = '0'.$date['month'];
 
359
                }
 
360
 
 
361
                return $date;
 
362
        }
 
363
 
 
364
        // --------------------------------------------------------------------
 
365
 
 
366
        /**
 
367
         * Total days in a given month
 
368
         *
 
369
         * @access      public
 
370
         * @param       integer the month
 
371
         * @param       integer the year
 
372
         * @return      integer
 
373
         */
 
374
        function get_total_days($month, $year)
 
375
        {
 
376
                $days_in_month  = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
 
377
 
 
378
                if ($month < 1 OR $month > 12)
 
379
                {
 
380
                        return 0;
 
381
                }
 
382
 
 
383
                // Is the year a leap year?
 
384
                if ($month == 2)
 
385
                {
 
386
                        if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
 
387
                        {
 
388
                                return 29;
 
389
                        }
 
390
                }
 
391
 
 
392
                return $days_in_month[$month - 1];
 
393
        }
 
394
 
 
395
        // --------------------------------------------------------------------
 
396
 
 
397
        /**
 
398
         * Set Default Template Data
 
399
         *
 
400
         * This is used in the event that the user has not created their own template
 
401
         *
 
402
         * @access      public
 
403
         * @return array
 
404
         */
 
405
        function default_template()
 
406
        {
 
407
                return  array (
 
408
                                                'table_open'                            => '<table border="0" cellpadding="4" cellspacing="0">',
 
409
                                                'heading_row_start'                     => '<tr>',
 
410
                                                'heading_previous_cell'         => '<th><a href="{previous_url}">&lt;&lt;</a></th>',
 
411
                                                'heading_title_cell'            => '<th colspan="{colspan}">{heading}</th>',
 
412
                                                'heading_next_cell'                     => '<th><a href="{next_url}">&gt;&gt;</a></th>',
 
413
                                                'heading_row_end'                       => '</tr>',
 
414
                                                'week_row_start'                        => '<tr>',
 
415
                                                'week_day_cell'                         => '<td>{week_day}</td>',
 
416
                                                'week_row_end'                          => '</tr>',
 
417
                                                'cal_row_start'                         => '<tr>',
 
418
                                                'cal_cell_start'                        => '<td>',
 
419
                                                'cal_cell_start_today'          => '<td>',
 
420
                                                'cal_cell_content'                      => '<a href="{content}">{day}</a>',
 
421
                                                'cal_cell_content_today'        => '<a href="{content}"><strong>{day}</strong></a>',
 
422
                                                'cal_cell_no_content'           => '{day}',
 
423
                                                'cal_cell_no_content_today'     => '<strong>{day}</strong>',
 
424
                                                'cal_cell_blank'                        => '&nbsp;',
 
425
                                                'cal_cell_end'                          => '</td>',
 
426
                                                'cal_cell_end_today'            => '</td>',
 
427
                                                'cal_row_end'                           => '</tr>',
 
428
                                                'table_close'                           => '</table>'
 
429
                                        );
 
430
        }
 
431
 
 
432
        // --------------------------------------------------------------------
 
433
 
 
434
        /**
 
435
         * Parse Template
 
436
         *
 
437
         * Harvests the data within the template {pseudo-variables}
 
438
         * used to display the calendar
 
439
         *
 
440
         * @access      public
 
441
         * @return      void
 
442
         */
 
443
        function parse_template()
 
444
        {
 
445
                $this->temp = $this->default_template();
 
446
 
 
447
                if ($this->template == '')
 
448
                {
 
449
                        return;
 
450
                }
 
451
 
 
452
                $today = array('cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today');
 
453
 
 
454
                foreach (array('table_open', 'table_close', 'heading_row_start', 'heading_previous_cell', 'heading_title_cell', 'heading_next_cell', 'heading_row_end', 'week_row_start', 'week_day_cell', 'week_row_end', 'cal_row_start', 'cal_cell_start', 'cal_cell_content', 'cal_cell_no_content',  'cal_cell_blank', 'cal_cell_end', 'cal_row_end', 'cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today') as $val)
 
455
                {
 
456
                        if (preg_match("/\{".$val."\}(.*?)\{\/".$val."\}/si", $this->template, $match))
 
457
                        {
 
458
                                $this->temp[$val] = $match['1'];
 
459
                        }
 
460
                        else
 
461
                        {
 
462
                                if (in_array($val, $today, TRUE))
 
463
                                {
 
464
                                        $this->temp[$val] = $this->temp[str_replace('_today', '', $val)];
 
465
                                }
 
466
                        }
 
467
                }
 
468
        }
 
469
 
 
470
}
 
471
 
 
472
// END CI_Calendar class
 
473
 
 
474
/* End of file Calendar.php */
 
475
/* Location: ./system/libraries/Calendar.php */
 
 
b'\\ No newline at end of file'