forked from extern/egroupware
5d8250c0de
2) additionaly added new year of the next year and new year's eve of the last year to this years holidays, as they are often displayed (or missing) in a week- or day-view 3) fixed the not working saving of a changed observance rule in the holiday manager 4) added the observance rule to new year in the US
106 lines
3.8 KiB
PHP
Executable File
106 lines
3.8 KiB
PHP
Executable File
<?php
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/**************************************************************************\
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* eGroupWare - holidaycalc_US *
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* http://www.egroupware.org *
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* Based on Yoshihiro Kamimura <your@itheart.com> *
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* http://www.itheart.com *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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class holidaycalc
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{
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function add($holiday,&$holidays,$year,&$i,$day_offset=0)
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{
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$i++;
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$holidays[$i]= $holiday;
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if ($day_offset)
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{
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$holidays[$i]['name'] .= ' (Observed)';
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}
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$holidays[$i]['date'] = mktime(0,0,0,$holiday['month'],$holiday['day']+$day_offset,$year);
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foreach(array('day'=>'d','month'=>'m','occurence'=>'Y') as $key => $frmt)
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{
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$holidays[$i][$key] = date($frmt,$holidays[$i]['date']);
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}
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$holidays[$i]['obervance_rule'] = 0;
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//echo "<p>holidaycalc::add(".print_r($holiday,True).",,$year,,$day_offset)=".print_r($holidays[$i],True)."</p>";
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}
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function calculate_date($holiday, &$holidays, $year, &$i)
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{
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//echo "<p>holidaycalc::calculate_date(".print_r($holiday,True).",,$year,)</p>";
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if($holiday['day'] == 0 && $holiday['occurence'] != 0)
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{
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if($holiday['occurence'] != 99)
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{
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$dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],1);
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$day = (((7 * $holiday['occurence']) - 6) + ((($holiday['dow'] + 7) - $dow) % 7));
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$day += ($day < 1 ? 7 : 0);
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// Sometimes the 5th occurance of a weekday (ie the 5th monday)
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// can spill over to the next month. This prevents that.
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$ld = $GLOBALS['phpgw']->datetime->days_in_month($holiday['month'],$year);
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if ($day > $ld)
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{
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return;
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}
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}
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else
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{
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$ld = $GLOBALS['phpgw']->datetime->days_in_month($holiday['month'],$year);
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$dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],$ld);
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$day = $ld - (($dow + 7) - $holiday['dow']) % 7 ;
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}
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}
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else
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{
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$day = $holiday['day'];
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if($holiday['observance_rule'] == True)
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{
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$dow = $GLOBALS['phpgw']->datetime->day_of_week($year,$holiday['month'],$day);
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// This now calulates Observed holidays and creates a new entry for them.
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// 0 = sundays are observed on monday (+1), 6 = saturdays are observed on fridays (-1)
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if($dow == 0 || $dow == 6)
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{
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$this->add($holiday,&$holidays,$year,$i,$dow == 0 ? 1 : -1);
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}
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if ($holiday['month'] == 1 && $day == 1)
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{
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$dow = $GLOBALS['phpgw']->datetime->day_of_week($year+1,$holiday['month'],$day);
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// checking if next year's newyear might be observed in this year
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if ($dow == 6)
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{
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$this->add($holiday,&$holidays,$year+1,$i,-1);
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}
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// add the next years newyear, to show it in a week- or month-view
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$this->add($holiday,&$holidays,$year+1,$i);
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}
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// checking if last year's new year's eve might be observed in this year
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if ($holiday['month'] == 12 && $day == 31)
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{
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$dow = $GLOBALS['phpgw']->datetime->day_of_week($year-1,$holiday['month'],$day);
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if ($dow == 0)
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{
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$this->add($holiday,&$holidays,$year-1,$i,1);
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}
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// add the last years new year's eve, to show it in a week- or month-view
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$this->add($holiday,&$holidays,$year-1,$i);
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}
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}
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}
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$date = mktime(0,0,0,$holiday['month'],$day,$year);
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return $date;
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}
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}
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?>
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