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 ISOCALENDAR_HPP 20 #define ISOCALENDAR_HPP 21 22 #include "GregorianCalendar.hpp" 23 24 //! The ISO calendar counts weeks [1...53] in Gregorian years. Some dates in the border weeks 1 and 53 may lie outside of the respective year. Week 1 contains the first Thursday. 25 26 class ISOCalendar : public GregorianCalendar 27 { 28 Q_OBJECT 29 30 public: 31 ISOCalendar(double jd); 32 ~ISOCalendar()33 virtual ~ISOCalendar() Q_DECL_OVERRIDE {} 34 35 public slots: 36 //! Set a calendar date from the Julian day number 37 virtual void setJD(double JD) Q_DECL_OVERRIDE; 38 39 //! set date from a vector of calendar date elements sorted from the largest to the smallest. 40 //! Year-Week[1...53]-Day[1...7] 41 virtual void setDate(QVector<int> parts) Q_DECL_OVERRIDE; 42 43 // //! get a stringlist of calendar date elements sorted from the largest to the smallest. 44 // //! The order depends on the actual calendar 45 // virtual QStringList getDateStrings() Q_DECL_OVERRIDE; 46 47 //! get a formatted complete string for a date 48 virtual QString getFormattedDateString() const Q_DECL_OVERRIDE; 49 50 public: 51 static QVector<int> isoFromFixed(int rd); 52 static int fixedFromISO(QVector<int> iso); 53 }; 54 55 #endif 56