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#include "chrisholiday.h"
#include <qobject.h>
QString ChrisHoliday::description()
{
return QObject::tr("Christian holidays","holidays");
}
QStringList ChrisHoliday::entries(const QDate&aDate)
{
QStringList ret;
ret+=_internallist.entries(aDate);
calcit(aDate.year());
tDayMap::Iterator it = _days.find(aDate);
if (it!=_days.end()) {
ret+=*it;
}
return ret;
}
QStringList ChrisHoliday::entries(unsigned year, unsigned month, unsigned day)
{
return entries(QDate(year,month,day));
}
void ChrisHoliday::calcit(int year)
{
if (year==_lastyear) return;
_lastyear = year;
_days.clear();
calc_easter();
calc_christmas();
}
void ChrisHoliday::calc_christmas()
{
QDate cday(_lastyear,12,24);
int diff;
if ( (diff=cday.dayOfWeek())!=7) {
cday=cday.addDays(-diff);
_days[cday].append(QObject::tr("4. Advent","holidays"));
}
_days[cday.addDays(-7)].append(QObject::tr("3. Advent","holidays"));
_days[cday.addDays(-14)].append(QObject::tr("2. Advent","holidays"));
_days[cday.addDays(-21)].append(QObject::tr("1. Advent","holidays"));
}
void ChrisHoliday::calc_easter()
{
unsigned long n = 0;
unsigned long p = 0;
if ( _lastyear > 1582 ) {
unsigned long a = _lastyear%19;
unsigned long b = _lastyear/100;
unsigned long c = _lastyear%100;
unsigned long d = b/4;
unsigned long e = b%4;
unsigned long f = (b+8)/25;
unsigned long g = (b+f+1)/3;
unsigned long h = (19*a+b-d-g+15)%30;
unsigned long i = c/4;
unsigned long j = c%4;
unsigned long k = j%100;
unsigned long l = (32+2*e+2*i-h-k)%7;
unsigned long m = (a+11*h+22*l)/451;
n = (h+l-7*m+114)/31;
p = (h+l-7*m+114)%31;
} else {
unsigned long a = _lastyear%4;
unsigned long b = _lastyear%7;
unsigned long c = _lastyear%19;
unsigned long d = (19*c+15)%30;
unsigned long e = (2*a+4*b-d+34)%7;
n = (d+e+114)/31;
p = (d+e+114)%31;
}
p++;
QDate d(_lastyear,n,p);
_days[d].append(QObject::tr("Eastersunday","holidays"));
_days[d.addDays(49)].append(QObject::tr("Whitsunday","holidays"));
_days[d.addDays(50)].append(QObject::tr("Whitmonday","holidays"));
_days[d.addDays(-46)].append(QObject::tr("Ash Wednesday","holidays"));
_days[d.addDays(60)].append(QObject::tr("Corpus Christi","holidays"));
}
QMap<QDate,QStringList> ChrisHoliday::entries(const QDate&,const QDate&)
{
QMap<QDate,QStringList> ret;
return ret;
}
EXPORT_HOLIDAY_PLUGIN(ChrisHoliday);
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