1 /* 2 * Copyright (C) 2020 Georg Zotti 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA. 17 */ 18 19 #ifndef COPTICCALENDAR_HPP 20 #define COPTICCALENDAR_HPP 21 22 #include "JulianCalendar.hpp" 23 24 //! Based on the Egyptian calendar (esp. the month names!), but with leap years like the Julian. CC.UE chapter 4. 25 //! Epoch is the era of Diocletian (Era Martyrum) 26 27 class CopticCalendar : public JulianCalendar 28 { 29 Q_OBJECT 30 31 public: 32 CopticCalendar(double jd); 33 ~CopticCalendar()34 virtual ~CopticCalendar() Q_DECL_OVERRIDE {} 35 36 public slots: 37 virtual void retranslate() Q_DECL_OVERRIDE; 38 39 //! Set a calendar date from the Julian day number 40 virtual void setJD(double JD) Q_DECL_OVERRIDE; 41 42 //! set date from a vector of calendar date elements sorted from the largest to the smallest. 43 //! Year-Month[1...13]-Day[1...30] 44 virtual void setDate(QVector<int> parts) Q_DECL_OVERRIDE; 45 46 //! get a stringlist of calendar date elements sorted from the largest to the smallest. 47 //! Year, Month, MonthName, Day, DayName 48 virtual QStringList getDateStrings() const Q_DECL_OVERRIDE; 49 50 //! get a formatted complete string for a date 51 virtual QString getFormattedDateString() const Q_DECL_OVERRIDE; 52 53 public: 54 //! find RD number for date in the Coptic calendar (may be used in other calendars!) 55 static int fixedFromCoptic(QVector<int> coptic); 56 //! find date in the Coptic calendar from RD number (may be used in other calendars!) 57 static QVector<int> copticFromFixed(int rd); 58 59 //! returns true for leap years 60 static bool isLeap(int year); 61 62 static const int copticEpoch; //! RD of 284-aug-29 (Jul). 63 64 protected: 65 static QMap<int, QString> monthNames; 66 static QMap<int, QString> dayNames; 67 68 static QString weekday(double jd); 69 }; 70 71 #endif 72