1/*
2 Copyright (c) 2002 Carlos Moro <cfmoro@correo.uniovi.es>
3 Copyright (c) 2002 Hans Petter Bieker <bieker@kde.org>
4 Copyright 2007, 2010 John Layt <john@layt.net>
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 along with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20*/
21
22#ifndef KCALENDARSYSTEMQDATE_H
23#define KCALENDARSYSTEMQDATE_H
24
25#include "kcalendarsystem.h"
26
27class KCalendarSystemQDatePrivate;
28
29/**
30 * @internal
31 * This is the QDate calendar implementation which combines the Julian and Gregorian
32 * calculations into a single calendar. It should always be used by default in Qt
33 * applications for consistency.
34 *
35 * @b license GNU-LGPL v.2+
36 *
37 * @see KLocale,KCalendarSystem
38 *
39 * @author John Layt <john@layt.net>
40 */
41class KCalendarSystemQDate: public KCalendarSystem
42{
43public:
44 explicit KCalendarSystemQDate(const KLocale *locale = 0);
45 explicit KCalendarSystemQDate(const KSharedConfig::Ptr config, const KLocale *locale = 0);
46 virtual ~KCalendarSystemQDate();
47
48 virtual QString calendarType() const;
49
50 virtual QDate epoch() const;
51 virtual QDate earliestValidDate() const;
52 virtual QDate latestValidDate() const;
53 virtual bool isValid(int year, int month, int day) const;
54 virtual bool isValid(const QDate &date) const;
55
56 virtual int year(const QDate &date) const;
57 virtual int month(const QDate &date) const;
58 virtual int day(const QDate &date) const;
59
60 virtual int daysInYear(const QDate &date) const;
61 virtual int daysInMonth(const QDate &date) const;
62
63 virtual int dayOfYear(const QDate &date) const;
64 virtual int dayOfWeek(const QDate &date) const;
65
66 virtual bool isLeapYear(int year) const;
67 virtual bool isLeapYear(const QDate &date) const;
68
69 virtual QString monthName(int month, int year, MonthNameFormat format = LongName) const;
70 virtual QString monthName(const QDate &date, MonthNameFormat format = LongName) const;
71
72 virtual QString weekDayName(int weekDay, WeekDayNameFormat format = LongDayName) const;
73 virtual QString weekDayName(const QDate &date, WeekDayNameFormat format = LongDayName) const;
74
75 virtual int weekDayOfPray() const;
76
77 virtual bool isLunar() const;
78 virtual bool isLunisolar() const;
79 virtual bool isSolar() const;
80 virtual bool isProleptic() const;
81
82protected:
83 virtual bool julianDayToDate(int jd, int &year, int &month, int &day) const;
84 virtual bool dateToJulianDay(int year, int month, int day, int &jd) const;
85 KCalendarSystemQDate(KCalendarSystemQDatePrivate &dd,
86 const KSharedConfig::Ptr config = KSharedConfig::Ptr(),
87 const KLocale *locale = 0);
88
89private:
90 Q_DECLARE_PRIVATE(KCalendarSystemQDate)
91};
92
93#endif
94