1 <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
\r
5 * An open source application development framework for PHP 4.3.2 or newer
\r
7 * @package CodeIgniter
\r
8 * @author ExpressionEngine Dev Team
\r
9 * @copyright Copyright (c) 2008, EllisLab, Inc.
\r
10 * @license http://codeigniter.com/user_guide/license.html
\r
11 * @link http://codeigniter.com
\r
12 * @since Version 1.0
\r
16 // ------------------------------------------------------------------------
\r
19 * CodeIgniter Calendar Class
\r
21 * This class enables the creation of calendars
\r
23 * @package CodeIgniter
\r
24 * @subpackage Libraries
\r
25 * @category Libraries
\r
26 * @author ExpressionEngine Dev Team
\r
27 * @link http://codeigniter.com/user_guide/libraries/calendar.html
\r
35 var $start_day = 'sunday';
\r
36 var $month_type = 'long';
\r
37 var $day_type = 'abr';
\r
38 var $show_next_prev = FALSE;
\r
39 var $next_prev_url = '';
\r
44 * Loads the calendar language file and sets the default time reference
\r
48 function CI_Calendar($config = array())
\r
50 $this->CI =& get_instance();
\r
52 if ( ! in_array('calendar_lang'.EXT, $this->CI->lang->is_loaded, TRUE))
\r
54 $this->CI->lang->load('calendar');
\r
57 $this->local_time = time();
\r
59 if (count($config) > 0)
\r
61 $this->initialize($config);
\r
64 log_message('debug', "Calendar Class Initialized");
\r
67 // --------------------------------------------------------------------
\r
70 * Initialize the user preferences
\r
72 * Accepts an associative array as input, containing display preferences
\r
75 * @param array config preferences
\r
78 function initialize($config = array())
\r
80 foreach ($config as $key => $val)
\r
82 if (isset($this->$key))
\r
89 // --------------------------------------------------------------------
\r
92 * Generate the calendar
\r
95 * @param integer the year
\r
96 * @param integer the month
\r
97 * @param array the data to be shown in the calendar cells
\r
100 function generate($year = '', $month = '', $data = array())
\r
102 // Set and validate the supplied month/year
\r
104 $year = date("Y", $this->local_time);
\r
107 $month = date("m", $this->local_time);
\r
109 if (strlen($year) == 1)
\r
110 $year = '200'.$year;
\r
112 if (strlen($year) == 2)
\r
113 $year = '20'.$year;
\r
115 if (strlen($month) == 1)
\r
116 $month = '0'.$month;
\r
118 $adjusted_date = $this->adjust_date($month, $year);
\r
120 $month = $adjusted_date['month'];
\r
121 $year = $adjusted_date['year'];
\r
123 // Determine the total days in the month
\r
124 $total_days = $this->get_total_days($month, $year);
\r
126 // Set the starting day of the week
\r
127 $start_days = array('sunday' => 0, 'monday' => 1, 'tuesday' => 2, 'wednesday' => 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6);
\r
128 $start_day = ( ! isset($start_days[$this->start_day])) ? 0 : $start_days[$this->start_day];
\r
130 // Set the starting day number
\r
131 $local_date = mktime(12, 0, 0, $month, 1, $year);
\r
132 $date = getdate($local_date);
\r
133 $day = $start_day + 1 - $date["wday"];
\r
140 // Set the current month/year/day
\r
141 // We use this to determine the "today" date
\r
142 $cur_year = date("Y", $this->local_time);
\r
143 $cur_month = date("m", $this->local_time);
\r
144 $cur_day = date("j", $this->local_time);
\r
146 $is_current_month = ($cur_year == $year AND $cur_month == $month) ? TRUE : FALSE;
\r
148 // Generate the template data array
\r
149 $this->parse_template();
\r
151 // Begin building the calendar output
\r
152 $out = $this->temp['table_open'];
\r
156 $out .= $this->temp['heading_row_start'];
\r
159 // "previous" month link
\r
160 if ($this->show_next_prev == TRUE)
\r
162 // Add a trailing slash to the URL if needed
\r
163 $this->next_prev_url = preg_replace("/(.+?)\/*$/", "\\1/", $this->next_prev_url);
\r
165 $adjusted_date = $this->adjust_date($month - 1, $year);
\r
166 $out .= str_replace('{previous_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_previous_cell']);
\r
170 // Heading containing the month/year
\r
171 $colspan = ($this->show_next_prev == TRUE) ? 5 : 7;
\r
173 $this->temp['heading_title_cell'] = str_replace('{colspan}', $colspan, $this->temp['heading_title_cell']);
\r
174 $this->temp['heading_title_cell'] = str_replace('{heading}', $this->get_month_name($month)." ".$year, $this->temp['heading_title_cell']);
\r
176 $out .= $this->temp['heading_title_cell'];
\r
179 // "next" month link
\r
180 if ($this->show_next_prev == TRUE)
\r
182 $adjusted_date = $this->adjust_date($month + 1, $year);
\r
183 $out .= str_replace('{next_url}', $this->next_prev_url.$adjusted_date['year'].'/'.$adjusted_date['month'], $this->temp['heading_next_cell']);
\r
187 $out .= $this->temp['heading_row_end'];
\r
190 // Write the cells containing the days of the week
\r
192 $out .= $this->temp['week_row_start'];
\r
195 $day_names = $this->get_day_names();
\r
197 for ($i = 0; $i < 7; $i ++)
\r
199 $out .= str_replace('{week_day}', $day_names[($start_day + $i) %7], $this->temp['week_day_cell']);
\r
203 $out .= $this->temp['week_row_end'];
\r
206 // Build the main body of the calendar
\r
207 while ($day <= $total_days)
\r
210 $out .= $this->temp['cal_row_start'];
\r
213 for ($i = 0; $i < 7; $i++)
\r
215 $out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_start_today'] : $this->temp['cal_cell_start'];
\r
217 if ($day > 0 AND $day <= $total_days)
\r
219 if (isset($data[$day]))
\r
221 // Cells with content
\r
222 $temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_content_today'] : $this->temp['cal_cell_content'];
\r
223 $out .= str_replace('{day}', $day, str_replace('{content}', $data[$day], $temp));
\r
227 // Cells with no content
\r
228 $temp = ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_no_content_today'] : $this->temp['cal_cell_no_content'];
\r
229 $out .= str_replace('{day}', $day, $temp);
\r
235 $out .= $this->temp['cal_cell_blank'];
\r
238 $out .= ($is_current_month == TRUE AND $day == $cur_day) ? $this->temp['cal_cell_end_today'] : $this->temp['cal_cell_end'];
\r
243 $out .= $this->temp['cal_row_end'];
\r
248 $out .= $this->temp['table_close'];
\r
253 // --------------------------------------------------------------------
\r
258 * Generates a textual month name based on the numeric
\r
262 * @param integer the month
\r
265 function get_month_name($month)
\r
267 if ($this->month_type == 'short')
\r
269 $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');
\r
273 $month_names = array('01' => 'cal_january', '02' => 'cal_february', '03' => 'cal_march', '04' => 'cal_april', '05' => 'cal_may', '06' => 'cal_june', '07' => 'cal_july', '08' => 'cal_august', '09' => 'cal_september', '10' => 'cal_october', '11' => 'cal_november', '12' => 'cal_december');
\r
276 $month = $month_names[$month];
\r
278 if ($this->CI->lang->line($month) === FALSE)
\r
280 return ucfirst(str_replace('cal_', '', $month));
\r
283 return $this->CI->lang->line($month);
\r
286 // --------------------------------------------------------------------
\r
291 * Returns an array of day names (Sunday, Monday, etc.) based
\r
292 * on the type. Options: long, short, abrev
\r
298 function get_day_names($day_type = '')
\r
300 if ($day_type != '')
\r
301 $this->day_type = $day_type;
\r
303 if ($this->day_type == 'long')
\r
305 $day_names = array('sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday');
\r
307 elseif ($this->day_type == 'short')
\r
309 $day_names = array('sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat');
\r
313 $day_names = array('su', 'mo', 'tu', 'we', 'th', 'fr', 'sa');
\r
317 foreach ($day_names as $val)
\r
319 $days[] = ($this->CI->lang->line('cal_'.$val) === FALSE) ? ucfirst($val) : $this->CI->lang->line('cal_'.$val);
\r
325 // --------------------------------------------------------------------
\r
330 * This function makes sure that we have a valid month/year.
\r
331 * For example, if you submit 13 as the month, the year will
\r
332 * increment and the month will become January.
\r
335 * @param integer the month
\r
336 * @param integer the year
\r
339 function adjust_date($month, $year)
\r
343 $date['month'] = $month;
\r
344 $date['year'] = $year;
\r
346 while ($date['month'] > 12)
\r
348 $date['month'] -= 12;
\r
352 while ($date['month'] <= 0)
\r
354 $date['month'] += 12;
\r
358 if (strlen($date['month']) == 1)
\r
360 $date['month'] = '0'.$date['month'];
\r
366 // --------------------------------------------------------------------
\r
369 * Total days in a given month
\r
372 * @param integer the month
\r
373 * @param integer the year
\r
376 function get_total_days($month, $year)
\r
378 $days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
\r
380 if ($month < 1 OR $month > 12)
\r
385 // Is the year a leap year?
\r
388 if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
\r
394 return $days_in_month[$month - 1];
\r
397 // --------------------------------------------------------------------
\r
400 * Set Default Template Data
\r
402 * This is used in the event that the user has not created their own template
\r
407 function default_template()
\r
410 'table_open' => '<table border="0" cellpadding="4" cellspacing="0">',
\r
411 'heading_row_start' => '<tr>',
\r
412 'heading_previous_cell' => '<th><a href="{previous_url}"><<</a></th>',
\r
413 'heading_title_cell' => '<th colspan="{colspan}">{heading}</th>',
\r
414 'heading_next_cell' => '<th><a href="{next_url}">>></a></th>',
\r
415 'heading_row_end' => '</tr>',
\r
416 'week_row_start' => '<tr>',
\r
417 'week_day_cell' => '<td>{week_day}</td>',
\r
418 'week_row_end' => '</tr>',
\r
419 'cal_row_start' => '<tr>',
\r
420 'cal_cell_start' => '<td>',
\r
421 'cal_cell_start_today' => '<td>',
\r
422 'cal_cell_content' => '<a href="{content}">{day}</a>',
\r
423 'cal_cell_content_today' => '<a href="{content}"><strong>{day}</strong></a>',
\r
424 'cal_cell_no_content' => '{day}',
\r
425 'cal_cell_no_content_today' => '<strong>{day}</strong>',
\r
426 'cal_cell_blank' => ' ',
\r
427 'cal_cell_end' => '</td>',
\r
428 'cal_cell_end_today' => '</td>',
\r
429 'cal_row_end' => '</tr>',
\r
430 'table_close' => '</table>'
\r
434 // --------------------------------------------------------------------
\r
439 * Harvests the data within the template {pseudo-variables}
\r
440 * used to display the calendar
\r
445 function parse_template()
\r
447 $this->temp = $this->default_template();
\r
449 if ($this->template == '')
\r
454 $today = array('cal_cell_start_today', 'cal_cell_content_today', 'cal_cell_no_content_today', 'cal_cell_end_today');
\r
456 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 $val)
\r
458 if (preg_match("/\{".$val."\}(.*?)\{\/".$val."\}/si", $this->template, $match))
\r
460 $this->temp[$val] = $match['1'];
\r
464 if (in_array($val, $today, TRUE))
\r
466 $this->temp[$val] = $this->temp[str_replace('_today', '', $val)];
\r
474 // END CI_Calendar class
\r
476 /* End of file Calendar.php */
\r
477 /* Location: ./system/libraries/Calendar.php */