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class.ilCalendarUtil.php
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1 <?php
2 /*
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6  | Copyright (c) 1998-2007 ILIAS open source, University of Cologne |
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20  | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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22 */
23 
24 
32 class ilCalendarUtil
33 {
34  private static $today = null;
35  static $init_done;
36 
43  public static function _isToday($date)
44  {
45  global $ilUser;
46 
47 
48  if(!is_object(self::$today))
49  {
50  self::$today = new ilDateTime(time(),IL_CAL_UNIX,$ilUser->getTimeZone());
51  }
52  return ilDateTime::_equals(self::$today,$date,IL_CAL_DAY,$ilUser->getTimeZone());
53  }
54 
64  public static function _numericMonthToString($a_month,$a_long = true)
65  {
66  global $lng;
67 
68  $month = $a_month < 10 ? '0'.$a_month : $a_month;
69 
70  return $a_long ? $lng->txt('month_'.$month.'_long') : $lng->txt('month_'.$month.'_short');
71  }
72 
82  public static function _numericDayToString($a_day,$a_long = true)
83  {
84  global $lng;
85 
86  $lng->loadLanguageModule('dateplaner');
87  static $days = array('Su','Mo','Tu','We','Th','Fr','Sa','Su');
88 
89  return $a_long ? $lng->txt($days[$a_day].'_long') : $lng->txt($days[$a_day].'_short');
90  }
91 
101  public static function _buildWeekDayList($a_day,$a_weekstart)
102  {
103  include_once('Services/Calendar/classes/class.ilDateList.php');
104  $day_list = new ilDateList(ilDateList::TYPE_DATE);
105 
106  $start = clone $a_day;
107  $start_info = $start->get(IL_CAL_FKT_GETDATE,'','UTC');
108  $day_diff = $a_weekstart - $start_info['isoday'];
109  if($day_diff == 7)
110  {
111  $day_diff = 0;
112  }
113  $start->increment(IL_CAL_DAY,$day_diff);
114  $day_list->add($start);
115  for($i = 1; $i < 7;$i++)
116  {
117  $start->increment(IL_CAL_DAY,1);
118  $day_list->add($start);
119  }
120  return $day_list;
121  }
122 
133  public static function _buildMonthDayList($a_month,$a_year,$weekstart)
134  {
135  include_once('Services/Calendar/classes/class.ilDateList.php');
136  $day_list = new ilDateList(ilDateList::TYPE_DATE);
137 
138  $prev_month = ($a_month == 1) ? 12 : $a_month - 1;
139  $prev_year = ($prev_month == 12) ? $a_year - 1 : $a_year;
140  $next_month = $a_month == 12 ? 1 : $a_month + 1;
141  $next_year = $a_month == 12 ? $a_year + 1 : $a_year;
142 
143  $days_in_month = self::_getMaxDayOfMonth($a_year,$a_month);
144  $days_in_prev_month = self::_getMaxDayOfMonth($a_year,$prev_month);
145 
146  $week_day['year'] = $a_year;
147  $week_day['mon'] = $a_month;
148  $week_day['mday'] = 1;
149  $week_day['hours'] = 0;
150  $week_day['minutes'] = 0;
151  $week_day = new ilDate($week_day,IL_CAL_FKT_GETDATE);
152 
153  $weekday = $week_day->get(IL_CAL_FKT_DATE,'w');
154  $first_day_offset = (($weekday - $weekstart) < 0) ? 6 : $weekday - $weekstart;
155 
156 
157  for($i = 0;$i < 42;$i++)
158  {
159 
160  if($i < $first_day_offset)
161  {
162  $day = $days_in_prev_month - $first_day_offset + $i + 1;
163 
164  $day_list->add(new ilDate(gmmktime(0,0,0,$prev_month,
165  $days_in_prev_month - $first_day_offset + $i + 1,
166  $prev_year),
167  IL_CAL_UNIX));
168  }
169  elseif($i < $days_in_month + $first_day_offset)
170  {
171  $day = $i - $first_day_offset + 1;
172 
173 
174  $day_list->add(new ilDate(gmmktime(0,0,0,$a_month,
175  $i - $first_day_offset + 1,
176  $a_year),
177  IL_CAL_UNIX));
178  }
179  else
180  {
181  $day = $i - $days_in_month - $first_day_offset + 1;
182  $day_list->add(new ilDate(gmmktime(0,0,0,$next_month,
183  $i - $days_in_month - $first_day_offset + 1,
184  $next_year),
185  IL_CAL_UNIX));
186  }
187  if($i == 34 and ($day < 15 or $day == $days_in_month))
188  {
189  break;
190  }
191  }
192  return $day_list;
193  }
194 
198  static function initJSCalendar()
199  {
200  global $tpl, $lng;
201 
202  if (self::$init_done == "done")
203  {
204  return;
205  }
206 
207  $lng->loadLanguageModule("jscalendar");
208  $tpl->addBlockFile("CALENDAR_LANG_JAVASCRIPT", "calendar_javascript", "tpl.calendar.html");
209  $tpl->setCurrentBlock("calendar_javascript");
210  $tpl->setVariable("FULL_SUNDAY", $lng->txt("l_su"));
211  $tpl->setVariable("FULL_MONDAY", $lng->txt("l_mo"));
212  $tpl->setVariable("FULL_TUESDAY", $lng->txt("l_tu"));
213  $tpl->setVariable("FULL_WEDNESDAY", $lng->txt("l_we"));
214  $tpl->setVariable("FULL_THURSDAY", $lng->txt("l_th"));
215  $tpl->setVariable("FULL_FRIDAY", $lng->txt("l_fr"));
216  $tpl->setVariable("FULL_SATURDAY", $lng->txt("l_sa"));
217  $tpl->setVariable("SHORT_SUNDAY", $lng->txt("s_su"));
218  $tpl->setVariable("SHORT_MONDAY", $lng->txt("s_mo"));
219  $tpl->setVariable("SHORT_TUESDAY", $lng->txt("s_tu"));
220  $tpl->setVariable("SHORT_WEDNESDAY", $lng->txt("s_we"));
221  $tpl->setVariable("SHORT_THURSDAY", $lng->txt("s_th"));
222  $tpl->setVariable("SHORT_FRIDAY", $lng->txt("s_fr"));
223  $tpl->setVariable("SHORT_SATURDAY", $lng->txt("s_sa"));
224  $tpl->setVariable("FULL_JANUARY", $lng->txt("l_01"));
225  $tpl->setVariable("FULL_FEBRUARY", $lng->txt("l_02"));
226  $tpl->setVariable("FULL_MARCH", $lng->txt("l_03"));
227  $tpl->setVariable("FULL_APRIL", $lng->txt("l_04"));
228  $tpl->setVariable("FULL_MAY", $lng->txt("l_05"));
229  $tpl->setVariable("FULL_JUNE", $lng->txt("l_06"));
230  $tpl->setVariable("FULL_JULY", $lng->txt("l_07"));
231  $tpl->setVariable("FULL_AUGUST", $lng->txt("l_08"));
232  $tpl->setVariable("FULL_SEPTEMBER", $lng->txt("l_09"));
233  $tpl->setVariable("FULL_OCTOBER", $lng->txt("l_10"));
234  $tpl->setVariable("FULL_NOVEMBER", $lng->txt("l_11"));
235  $tpl->setVariable("FULL_DECEMBER", $lng->txt("l_12"));
236  $tpl->setVariable("SHORT_JANUARY", $lng->txt("s_01"));
237  $tpl->setVariable("SHORT_FEBRUARY", $lng->txt("s_02"));
238  $tpl->setVariable("SHORT_MARCH", $lng->txt("s_03"));
239  $tpl->setVariable("SHORT_APRIL", $lng->txt("s_04"));
240  $tpl->setVariable("SHORT_MAY", $lng->txt("s_05"));
241  $tpl->setVariable("SHORT_JUNE", $lng->txt("s_06"));
242  $tpl->setVariable("SHORT_JULY", $lng->txt("s_07"));
243  $tpl->setVariable("SHORT_AUGUST", $lng->txt("s_08"));
244  $tpl->setVariable("SHORT_SEPTEMBER", $lng->txt("s_09"));
245  $tpl->setVariable("SHORT_OCTOBER", $lng->txt("s_10"));
246  $tpl->setVariable("SHORT_NOVEMBER", $lng->txt("s_11"));
247  $tpl->setVariable("SHORT_DECEMBER", $lng->txt("s_12"));
248  $tpl->setVariable("ABOUT_CALENDAR", $lng->txt("about_calendar"));
249  $tpl->setVariable("ABOUT_CALENDAR_LONG", $lng->txt("about_calendar_long"));
250  $tpl->setVariable("ABOUT_TIME_LONG", $lng->txt("about_time"));
251  $tpl->setVariable("PREV_YEAR", $lng->txt("prev_year"));
252  $tpl->setVariable("PREV_MONTH", $lng->txt("prev_month"));
253  $tpl->setVariable("GO_TODAY", $lng->txt("go_today"));
254  $tpl->setVariable("NEXT_MONTH", $lng->txt("next_month"));
255  $tpl->setVariable("NEXT_YEAR", $lng->txt("next_year"));
256  $tpl->setVariable("SEL_DATE", $lng->txt("select_date"));
257  $tpl->setVariable("DRAG_TO_MOVE", $lng->txt("drag_to_move"));
258  $tpl->setVariable("PART_TODAY", $lng->txt("part_today"));
259  $tpl->setVariable("DAY_FIRST", $lng->txt("day_first"));
260  $tpl->setVariable("CLOSE", $lng->txt("close"));
261  $tpl->setVariable("TODAY", $lng->txt("today"));
262  $tpl->setVariable("TIME_PART", $lng->txt("time_part"));
263  $tpl->setVariable("DEF_DATE_FORMAT", $lng->txt("def_date_format"));
264  $tpl->setVariable("TT_DATE_FORMAT", $lng->txt("tt_date_format"));
265  $tpl->setVariable("WK", $lng->txt("wk"));
266  $tpl->setVariable("TIME", $lng->txt("time"));
267  $tpl->parseCurrentBlock();
268  $tpl->setCurrentBlock("CalendarJS");
269  $tpl->setVariable("LOCATION_JAVASCRIPT_CALENDAR", "./Services/Calendar/js/calendar.js");
270  $tpl->setVariable("LOCATION_JAVASCRIPT_CALENDAR_SETUP", "./Services/Calendar/js/calendar-setup.js");
271  $tpl->setVariable("LOCATION_JAVASCRIPT_CALENDAR_STYLESHEET", "./Services/Calendar/css/calendar.css");
272  $tpl->parseCurrentBlock();
273 
274  self::$init_done = "done";
275  }
276 
285  public static function _getShortTimeZoneList()
286  {
287  return array(
288  'Pacific/Samoa' => 'GMT-11: Midway Islands, Samoa',
289  'US/Hawaii' => 'GMT-10:00: Hawaii, Polynesia',
290  'US/Alaska' => 'GMT-9:00: Alaska',
291  'America/Los_Angeles' => 'GMT-8:00: Tijuana, Los Angeles, Seattle, Vancouver',
292  'US/Arizona' => 'GMT-7:00: Arizona',
293  'America/Chihuahua' => 'GMT-7:00: Chihuahua, La Paz, Mazatlan',
294  'America/Denver' => 'GMT-7:00: Arizona, Denver, Salt Lake City, Calgary',
295  'America/Chicago' => 'GMT-6:00: Chicago, Dallas, Kansas City, Winnipeg',
296  'America/Monterrey' => 'GMT-6:00: Guadalajara, Mexico City, Monterrey',
297  'Canada/Saskatchewan' => 'GMT-6:00: Saskatchewan',
298  'US/Central' => 'GMT-6:00: Central America',
299  'America/Bogota' => 'GMT-5:00: Bogota, Lima, Quito',
300  'US/East-Indiana' => 'GMT-5:00: East-Indiana',
301  'America/New_York' => 'GMT-5:00: New York, Miami, Atlanta, Detroit, Toronto',
302  'Canada/Atlantic' => 'GMT-4:00: Atlantic (Canada)',
303  'America/La_Paz' => 'GMT-4:00: Carcas, La Paz',
304  'America/Santiago' => 'GMT-4:00: Santiago',
305  'Canada/Newfoundland' => 'GMT-3:00: Newfoundland',
306  'Brazil/East' => 'GMT-3:00: Sao Paulo',
307  'America/Argentina/Buenos_Aires' => 'GMT-3:00: Buenes Aires, Georgtown',
308  'Etc/GMT+3' => 'GMT-3:00: Greenland, Uruguay, Surinam',
309  'Atlantic/Cape_Verde' => 'GMT-2:00: Cape Verde, Greenland, South Georgia',
310  'Atlantic/Azores' => 'GMT-1:00: Azores',
311  'Africa/Casablanca' => 'GMT+0:00: Casablanca, Monrovia',
312  'Europe/London' => 'GMT+0:00: Dublin, Edinburgh, Lisbon, London',
313  'Europe/Berlin' => 'GMT+1:00: Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna',
314  'Europe/Belgrade' => 'GMT+1:00: Belgrade, Bratislava, Budapest, Ljubljana, Prague',
315  'Europe/Paris' => 'GMT+1:00: Brussels, Copenhagen, Paris, Madrid',
316  'Europe/Sarajevo' => 'GMT+1:00: Sarajevo, Skopje, Warsaw, Zagreb',
317  'Africa/Lagos' => 'GMT+1:00: West-Central Africa',
318  'Europe/Athens' => 'GMT+2:00: Athens, Beirut, Istanbul, Minsk',
319  'Europe/Bucharest' => 'GMT+2:00: Bucharest',
320  'Africa/Harare' => 'GMT+2:00: Harare, Pratoria',
321  'Europe/Helsinki' => 'GMT+2:00: Helsinki, Kiev, Riga, Sofia, Tallinn, Vilnius',
322  'Asia/Jerusalem' => 'GMT+2:00: Jerusalem',
323  'Africa/Cairo' => 'GMT+2:00: Cairo',
324  'Asia/Baghdad' => 'GMT+3:00: Baghdad',
325  'Asia/Kuwait' => 'GMT+3:00: Kuwait, Riyadh',
326  'Europe/Moscow' => 'GMT+3:00: Moscow, Saint Petersburg',
327  'Africa/Nairobi' => 'GMT+3:00: Nairobi,Teheran',
328  'Asia/Muscat' => 'GMT+4:00: Abu Dhabi, Muscat',
329  'Asia/Baku' => 'GMT+4:00: Baku, Tbilisi, Erivan',
330  'Asia/Kabul' => 'GMT+4:00: Kabul',
331  'Asia/Karachi' => 'GMT+5:00: Islamabad, Karachi, Taschkent',
332  'Asia/Yekaterinburg' => 'GMT+5:00: Yekaterinburg',
333  'Asia/Calcutta' => 'GMT+5:30: New Dehli',
334  'Asia/Katmandu' => 'GMT+5:45: Katmandu',
335  'Asia/Novosibirsk' => 'GMT+6:00: Almaty, Novosibirsk',
336  'Asia/Dhaka' => 'GMT+6:00: Astana, Dhaka',
337  'Asia/Rangoon' => 'GMT+6:00: Sri Jayawardenepura, Rangoon',
338  'Asia/Jakarta' => 'GMT+7:00: Bangkok, Hanoi, Jakarta',
339  'Asia/Krasnoyarsk' => 'GMT+7:00: Krasnoyarsk',
340  'Asia/Irkutsk' => 'GMT+8:00: Irkutsk, Ulan Bator',
341  'Asia/Singapore' => 'GMT+8:00: Kuala Lumpour, Singapore',
342  'Asia/Hong_Kong' => 'GMT+8:00: Beijing, Chongqing, Hong kong, Urumchi',
343  'Australia/Perth' => 'GMT+8:00: Perth',
344  'Asia/Taipei' => 'GMT+8:00: Taipei',
345  'Asia/Yakutsk' => 'GMT+9:00: Yakutsk',
346  'Asia/Tokyo' => 'GMT+9:00: Osaka, Sapporo, Tokyo',
347  'Asia/Seoul' => 'GMT+9:00: Seoul, Darwin, Adelaide',
348  'Australia/Brisbane' => 'GMT+10:00: Brisbane',
349  'Australia/Sydney' => 'GMT+10:00: Canberra, Melbourne, Sydney',
350  'Pacific/Guam' => 'GMT+10:00: Guam, Port Moresby',
351  'Australia/Hobart' => 'GMT+10:00: Hobart',
352  'Asia/Vladivostok' => 'GMT+10:00: Vladivostok',
353  'Asia/Magadan' => 'GMT+11:00: Salomon Islands, New Caledonia, Magadan',
354  'Pacific/Auckland' => 'GMT+12:00: Auckland, Wellington',
355  'Pacific/Fiji' => 'GMT+12:00: Fiji, Kamchatka, Marshall-Islands');
356  }
357 
358 
366  public static function _isLeapYear($a_year)
367  {
368  $is_leap = false;
369 
370  if($a_year % 4 == 0)
371  {
372  $is_leap = true;
373  if($a_year % 100 == 0)
374  {
375  $is_leap = false;
376  if($a_year % 400)
377  {
378  return true;
379  }
380  }
381  }
382  return $is_leap;
383  }
384 
394  public static function _getMaxDayOfMonth($a_year,$a_month)
395  {
396  if(@function_exists('cal_days_in_month'))
397  {
398  return cal_days_in_month(CAL_GREGORIAN,$a_month,$a_year);
399  }
400  $months = array(0,31,
401  self::_isLeapYear($a_year) ? 29 : 28,
402  31,30,31,30,31,31,30,31,30,31);
403  return $months[(int) $a_month];
404  }
405 
414  public static function calculateFontColor($a_html_color_code)
415  {
416  if(strpos($a_html_color_code,'#') !== 0 or strlen($a_html_color_code) != 7)
417  {
418  return '#000000';
419  }
420  $hex = str_replace('#','0x',$a_html_color_code);
421 
422  return hexdec($hex) > 8000000 ? '#000000' : '#FFFFFF';
423  }
424 }
425 ?>