Diffstat (limited to 'core/pim/datebook/holiday/christian/chrisholiday.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | core/pim/datebook/holiday/christian/chrisholiday.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/core/pim/datebook/holiday/christian/chrisholiday.cpp b/core/pim/datebook/holiday/christian/chrisholiday.cpp new file mode 100644 index 0000000..6ef102a --- a/dev/null +++ b/core/pim/datebook/holiday/christian/chrisholiday.cpp | |||
@@ -0,0 +1,87 @@ | |||
1 | #include "chrisholiday.h" | ||
2 | |||
3 | #include <qobject.h> | ||
4 | |||
5 | QString ChrisHoliday::description() | ||
6 | { | ||
7 | return QObject::tr("Christian holidays","holidays"); | ||
8 | } | ||
9 | |||
10 | QStringList ChrisHoliday::entries(const QDate&aDate) | ||
11 | { | ||
12 | QStringList ret; | ||
13 | ret+=_internallist.entries(aDate); | ||
14 | calcit(aDate.year()); | ||
15 | tDayMap::Iterator it = _days.find(aDate); | ||
16 | if (it!=_days.end()) { | ||
17 | ret+=*it; | ||
18 | } | ||
19 | |||
20 | return ret; | ||
21 | } | ||
22 | |||
23 | QStringList ChrisHoliday::entries(unsigned year, unsigned month, unsigned day) | ||
24 | { | ||
25 | return entries(QDate(year,month,day)); | ||
26 | } | ||
27 | |||
28 | void ChrisHoliday::calcit(int year) | ||
29 | { | ||
30 | if (year==_lastyear) return; | ||
31 | _lastyear = year; | ||
32 | _days.clear(); | ||
33 | calc_easter(); | ||
34 | calc_christmas(); | ||
35 | } | ||
36 | |||
37 | void ChrisHoliday::calc_christmas() | ||
38 | { | ||
39 | QDate cday(_lastyear,12,24); | ||
40 | int diff; | ||
41 | if ( (diff=cday.dayOfWeek())!=7) { | ||
42 | cday=cday.addDays(-diff); | ||
43 | _days[cday].append(QObject::tr("4. Advent","holidays")); | ||
44 | } | ||
45 | _days[cday.addDays(-7)].append(QObject::tr("3. Advent","holidays")); | ||
46 | _days[cday.addDays(-14)].append(QObject::tr("2. Advent","holidays")); | ||
47 | _days[cday.addDays(-21)].append(QObject::tr("1. Advent","holidays")); | ||
48 | } | ||
49 | |||
50 | void ChrisHoliday::calc_easter() | ||
51 | { | ||
52 | unsigned long n = 0; | ||
53 | unsigned long p = 0; | ||
54 | |||
55 | if ( _lastyear > 1582 ) { | ||
56 | unsigned long a = _lastyear%19; | ||
57 | unsigned long b = _lastyear/100; | ||
58 | unsigned long c = _lastyear%100; | ||
59 | unsigned long d = b/4; | ||
60 | unsigned long e = b%4; | ||
61 | unsigned long f = (b+8)/25; | ||
62 | unsigned long g = (b+f+1)/3; | ||
63 | unsigned long h = (19*a+b-d-g+15)%30; | ||
64 | unsigned long i = c/4; | ||
65 | unsigned long j = c%4; | ||
66 | unsigned long k = j%100; | ||
67 | unsigned long l = (32+2*e+2*i-h-k)%7; | ||
68 | unsigned long m = (a+11*h+22*l)/451; | ||
69 | n = (h+l-7*m+114)/31; | ||
70 | p = (h+l-7*m+114)%31; | ||
71 | } else { | ||
72 | unsigned long a = _lastyear%4; | ||
73 | unsigned long b = _lastyear%7; | ||
74 | unsigned long c = _lastyear%19; | ||
75 | unsigned long d = (19*c+15)%30; | ||
76 | unsigned long e = (2*a+4*b-d+34)%7; | ||
77 | n = (d+e+114)/31; | ||
78 | p = (d+e+114)%31; | ||
79 | } | ||
80 | p++; | ||
81 | QDate d(_lastyear,n,p); | ||
82 | _days[d].append(QObject::tr("Eastersunday","holidays")); | ||
83 | _days[d.addDays(49)].append(QObject::tr("Whitsunday","holidays")); | ||
84 | _days[d.addDays(50)].append(QObject::tr("Whitmonday","holidays")); | ||
85 | _days[d.addDays(-46)].append(QObject::tr("Ash Wednesday","holidays")); | ||
86 | _days[d.addDays(60)].append(QObject::tr("Corpus Christi","holidays")); | ||
87 | } | ||