/* This file is part of libkcal. Copyright (c) 1998 Preston Brown Copyright (c) 2001 Cornelius Schumacher Copyright (c) 2002 David Jarvie This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef KCAL_RECURRENCE_H #define KCAL_RECURRENCE_H #include #include #include //Added by qt3to4: #include namespace KCal { class Incidence; /** This class represents a recurrence rule for a calendar incidence. */ class Recurrence { public: /** enumeration for describing how an event recurs, if at all. */ enum { rNone = 0, rMinutely = 0x001, rHourly = 0x0002, rDaily = 0x0003, rWeekly = 0x0004, rMonthlyPos = 0x0005, rMonthlyDay = 0x0006, rYearlyMonth = 0x0007, rYearlyDay = 0x0008, rYearlyPos = 0x0009 }; /** Enumeration for specifying what date yearly recurrences of February 29th occur * in non-leap years. */ enum Feb29Type { rMar1, // recur on March 1st (default) rFeb28, // recur on February 28th rFeb29 // only recur on February 29th, i.e. don't recur in non-leap years }; /** structure for Recurs rMonthlyPos */ struct rMonthPos { QBitArray rDays; short rPos; bool negative; }; Recurrence(Incidence *parent, int compatVersion = 0); Recurrence(const Recurrence&, Incidence *parent); ~Recurrence(); bool operator==( const Recurrence& ) const; bool operator!=( const Recurrence& r ) const { return !operator==(r); } Incidence *parent() { return mParent; } /** Return the start of the recurrence */ QDateTime recurStart() const { return mRecurStart; } /** Returns the number of exception dates for the recurrence */ int recurExDatesCount() const { return mRecurExDatesCount; } /** Set start of recurrence, as a date and time. */ void setRecurStart(const QDateTime &start); /** Set start of recurrence, as a date with no time. * Recurrence types which are sub-daily (e.g. rHourly) always have a time; * the time is set to 00:00:00 in these cases. */ void setRecurStart(const QDate &start); /** Set whether the recurrence has no time, just a date. * Recurrence types which are sub-daily (e.g. rHourly) always have a time * and cannot be set to float. * N.B. This property is derived by default from the parent incidence, * or according to whether a time is specified in setRecurStart(). */ void setFloats(bool f); /** Returns whether the recurrence has no time, just a date. */ bool doesFloat() const { return mFloats; } /** Set if recurrence is read-only or can be changed. */ void setRecurReadOnly(bool readOnly) { mRecurReadOnly = readOnly; } bool recurReadOnly() const { return mRecurReadOnly; } /** Set number of exception dates. */ void setRecurExDatesCount(int count) { if (count >= 0) mRecurExDatesCount = count; } /** Set the calendar file version for backwards compatibility. * @var version is the KOrganizer/libkcal version, e.g. 220 for KDE 2.2.0. * Specify version = 0 to cancel compatibility mode. */ void setCompatVersion(int version = 0); /** Returns the event's recurrence status. See the enumeration at the top * of this file for possible values. */ ushort doesRecur() const; /** Returns true if the date specified is one on which the event will * recur. */ bool recursOnPure(const QDate &qd) const; /** Returns true if the date/time specified is one at which the event will * recur. Times are rounded down to the nearest minute to determine the result. */ bool recursAtPure(const QDateTime &) const; /** Turns off recurrence for the event. */ void unsetRecurs(); /** Returns the date of the next recurrence, after the specified date. * @var preDate the date after which to find the recurrence. * @var last if non-null, *last is set to true if the next recurrence is the * last recurrence, else false. * Reply = date of next recurrence, or invalid date if none. */ QDate getNextDate(const QDate& preDate, bool* last = 0) const; /** Returns the date and time of the next recurrence, after the specified date/time. * If the recurrence has no time, the next date after the specified date is returned. * @var preDate the date/time after which to find the recurrence. * @var last if non-null, *last is set to true if the next recurrence is the * last recurrence, else false. * Reply = date/time of next recurrence, or invalid date if none. */ QDateTime getNextDateTime(const QDateTime& preDateTime, bool* last = 0) const; /** Returns the date of the last previous recurrence, before the specified date. * @var afterDate the date before which to find the recurrence. * @var last if non-null, *last is set to true if the previous recurrence is the * last recurrence, else false. * Reply = date of previous recurrence, or invalid date if none. */ QDate getPreviousDate(const QDate& afterDate, bool* last = 0) const; /** Returns the date and time of the last previous recurrence, before the specified date/time. * If a time later than 00:00:00 is specified and the recurrence has no time, 00:00:00 on * the specified date is returned if that date recurs. * @var afterDate the date/time before which to find the recurrence. * @var last if non-null, *last is set to true if the previous recurrence is the * last recurrence, else false. * Reply = date/time of previous recurrence, or invalid date if none. */ QDateTime getPreviousDateTime(const QDateTime& afterDateTime, bool* last = 0) const; /** Returns frequency of recurrence, in terms of the recurrence time period type. */ int frequency() const; /** Returns the total number of recurrences, including the initial occurrence. */ int duration() const; /** Sets the total number of times the event is to occur, including both the * first and last. */ void setDuration(int duration); /** Returns the number of recurrences up to and including the date specified. */ int durationTo(const QDate &) const; /** Returns the number of recurrences up to and including the date/time specified. */ int durationTo(const QDateTime &) const; /** Returns the date of the last recurrence. * An invalid date is returned if the recurrence has no end. * Note: for some recurrence types, endDate() can involve significant calculation. */ QDate endDate() const; /** Returns the date and time of the last recurrence. * An invalid date is returned if the recurrence has no end. * Note: for some recurrence types, endDateTime() can involve significant calculation. */ QDateTime endDateTime() const; /** Returns a string representing the recurrence end date in the format according to the user's locale settings. */ QString endDateStr(bool shortfmt=true) const; /** Sets an event to recur minutely. * @var _rFreq the frequency to recur, e.g. 2 is every other minute * @var duration the number of times the event is to occur, or -1 to recur indefinitely. */ void setMinutely(int _rFreq, int duration); /** Sets an event to recur minutely. * @var _rFreq the frequency to recur, e.g. 2 is every other minute * @var endDateTime the ending date/time after which to stop recurring */ void setMinutely(int _rFreq, const QDateTime &endDateTime); /** Sets an event to recur hourly. * @var _rFreq the frequency to recur, e.g. 2 is every other hour * @var duration the number of times the event is to occur, or -1 to recur indefinitely. */ void setHourly(int _rFreq, int duration); /** Sets an event to recur hourly. * @var _rFreq the frequency to recur, e.g. 2 is every other hour * @var endDateTime the ending date/time after which to stop recurring */ void setHourly(int _rFreq, const QDateTime &endDateTime); /** Sets an event to recur daily. * @var _rFreq the frequency to recur, e.g. 2 is every other day * @var duration the number of times the event is to occur, or -1 to recur indefinitely. */ void setDaily(int _rFreq, int duration); /** Sets an event to recur daily. * @var _rFreq the frequency to recur, e.g. 2 is every other day * @var endDate the ending date after which to stop recurring */ void setDaily(int _rFreq, const QDate &endDate); /** Sets an event to recur weekly. * @var _rFreq the frequency to recur, e.g. every other week etc. * @var _rDays a 7 bit array indicating which days on which to recur (bit 0 = Monday). * @var duration the number of times the event is to occur, or -1 to recur indefinitely. * @var weekStart the first day of the week (Monday=1 .. Sunday=7, default is Monday). */ void setWeekly(int _rFreq, const QBitArray &_rDays, int duration, int weekStart = 1); /** Sets an event to recur weekly. * @var _rFreq the frequency to recur, e.g. every other week etc. * @var _rDays a 7 bit array indicating which days on which to recur (bit 0 = Monday). * @var endDate the date on which to stop recurring. * @var weekStart the first day of the week (Monday=1 .. Sunday=7, default is Monday). */ void setWeekly(int _rFreq, const QBitArray &_rDays, const QDate &endDate, int weekStart = 1); /** Returns the first day of the week. Monday=1 .. Sunday=7. */ int weekStart() const { return rWeekStart; } /** Returns week day mask (bit 0 = Monday). */ const QBitArray &days() const; /** Sets an event to recur monthly. * @var type rMonthlyPos or rMonthlyDay * @var _rFreq the frequency to recur, e.g. 3 for every third month. * @var duration the number of times the event is to occur, or -1 to recur indefinitely. */ void setMonthly(short type, int _rFreq, int duration); /** same as above, but with ending date not number of recurrences */ void setMonthly(short type, int _rFreq, const QDate &endDate); /** Adds a position to the recursMonthlyPos recurrence rule, if it is * set. * @var _rPos the position in the month for the recurrence, with valid * values being 1-5 (5 weeks max in a month). * @var _rDays the days for the position to recur on (bit 0 = Monday). * Example: _rPos = 2, and bits 0 and 2 are set in _rDays: * the rule is to repeat every 2nd Monday and Wednesday in the month. */ void addMonthlyPos(short _rPos, const QBitArray &_rDays); /** Adds a position the the recursMonthlyDay list. * @var _rDay the date in the month to recur. */ void addMonthlyDay(short _rDay); /** Returns list of day positions in months. */ const Q3PtrList &monthPositions() const; /** Returns list of day numbers of a month. */ const Q3PtrList &monthDays() const; /** Sets an event to recur yearly. * @var type rYearlyMonth, rYearlyPos or rYearlyDay * @var freq the frequency to recur, e.g. 3 for every third year. * @var duration the number of times the event is to occur, or -1 to recur indefinitely. */ void setYearly(int type, int freq, int duration); /** Sets an event to recur yearly ending at \a endDate. */ void setYearly(int type, int freq, const QDate &endDate); /** Sets an event to recur yearly on specified dates. * The dates must be specified by calling addYearlyNum(). * @var type the way recurrences of February 29th are to be handled in non-leap years. * @var freq the frequency to recur, e.g. 3 for every third year. * @var duration the number of times the event is to occur, or -1 to recur indefinitely. */ void setYearlyByDate(Feb29Type type, int freq, int duration); /** Sets an event to recur yearly ending at \a endDate. */ void setYearlyByDate(Feb29Type type, int freq, const QDate &endDate); /** Adds position of day or month in year. * N.B. for recursYearlyPos, addYearlyMonthPos() must also be called * to add positions within the month. */ void addYearlyNum(short _rNum); /** Adds a position to the recursYearlyPos recurrence rule, if it is set. * N.B. addYearlyNum() must also be called to add recurrence months. * Parameters are the same as for addMonthlyPos(). */ void addYearlyMonthPos(short _rPos, const QBitArray &_rDays); /** Returns positions of days or months in year. */ const Q3PtrList &yearNums() const; /** Returns list of day positions in months, for a recursYearlyPos recurrence rule. */ const Q3PtrList &yearMonthPositions() const; /** Returns how yearly recurrences of February 29th are handled. */ Feb29Type feb29YearlyType() const { return mFeb29YearlyType; } /** Sets the default method for handling yearly recurrences of February 29th. */ static void setFeb29YearlyTypeDefault(Feb29Type t) { mFeb29YearlyDefaultType = t; } /** Returns the default method for handling yearly recurrences of February 29th. */ static Feb29Type setFeb29YearlyTypeDefault() { return mFeb29YearlyDefaultType; } void addYearlyMonth(short _rPos ); // added LR /** Debug output. */ void dump() const; QString recurrenceText() const; bool getYearlyMonthMonths(int day, Q3ValueList&, Q3ValueList &leaplist) const; protected: enum PeriodFunc { END_DATE_AND_COUNT, COUNT_TO_DATE, NEXT_AFTER_DATE }; struct MonthlyData; friend struct MonthlyData; struct YearlyMonthData; friend struct YearlyMonthData; struct YearlyPosData; friend struct YearlyPosData; struct YearlyDayData; friend struct YearlyDayData; bool recursSecondly(const QDate &, int secondFreq) const; bool recursMinutelyAt(const QDateTime &dt, int minuteFreq) const; bool recursDaily(const QDate &) const; bool recursWeekly(const QDate &) const; bool recursMonthly(const QDate &) const; bool recursYearlyByMonth(const QDate &) const; bool recursYearlyByPos(const QDate &) const; bool recursYearlyByDay(const QDate &) const; QDate getNextDateNoTime(const QDate& preDate, bool* last) const; QDate getPreviousDateNoTime(const QDate& afterDate, bool* last) const; void addMonthlyPos_(short _rPos, const QBitArray &_rDays); void setDailySub(short type, int freq, int duration); void setYearly_(short type, Feb29Type, int freq, int duration); int recurCalc(PeriodFunc, QDate &enddate) const; int recurCalc(PeriodFunc, QDateTime &endtime) const; int secondlyCalc(PeriodFunc, QDateTime& endtime, int freq) const; int dailyCalc(PeriodFunc, QDate &enddate) const; int weeklyCalc(PeriodFunc, QDate &enddate) const; int weeklyCalcEndDate(QDate& enddate, int daysPerWeek) const; int weeklyCalcToDate(const QDate& enddate, int daysPerWeek) const; int weeklyCalcNextAfter(QDate& enddate, int daysPerWeek) const; int monthlyCalc(PeriodFunc, QDate &enddate) const; int monthlyCalcEndDate(QDate& enddate, MonthlyData&) const; int monthlyCalcToDate(const QDate& enddate, MonthlyData&) const; int monthlyCalcNextAfter(QDate& enddate, MonthlyData&) const; int yearlyMonthCalc(PeriodFunc, QDate &enddate) const; int yearlyMonthCalcEndDate(QDate& enddate, YearlyMonthData&) const; int yearlyMonthCalcToDate(const QDate& enddate, YearlyMonthData&) const; int yearlyMonthCalcNextAfter(QDate& enddate, YearlyMonthData&) const; int yearlyPosCalc(PeriodFunc, QDate &enddate) const; int yearlyPosCalcEndDate(QDate& enddate, YearlyPosData&) const; int yearlyPosCalcToDate(const QDate& enddate, YearlyPosData&) const; int yearlyPosCalcNextAfter(QDate& enddate, YearlyPosData&) const; int yearlyDayCalc(PeriodFunc, QDate &enddate) const; int yearlyDayCalcEndDate(QDate& enddate, YearlyDayData&) const; int yearlyDayCalcToDate(const QDate& enddate, YearlyDayData&) const; int yearlyDayCalcNextAfter(QDate& enddate, YearlyDayData&) const; int countMonthlyPosDays() const; void getMonthlyPosDays(Q3ValueList&, int daysInMonth, int startDayOfWeek) const; bool getMonthlyDayDays(Q3ValueList&, int daysInMonth) const; int getFirstDayInWeek(int startDay, bool useWeekStart = true) const; int getLastDayInWeek(int endDay, bool useWeekStart = true) const; QDate getFirstDateInMonth(const QDate& earliestDate) const; QDate getLastDateInMonth(const QDate& latestDate) const; QDate getFirstDateInYear(const QDate& earliestDate) const; QDate getLastDateInYear(const QDate& latestDate) const; private: // Prohibit copying Recurrence(const Recurrence&); Recurrence &operator=(const Recurrence&); short recurs; // should be one of the enums. int rWeekStart; // day which starts the week, Monday=1 .. Sunday=7 QBitArray rDays; // array of days during week it recurs Q3PtrList rMonthPositions; // list of positions during a month // on which an event recurs Q3PtrList rMonthDays; // list of days during a month on // which the event recurs Q3PtrList rYearNums; // either months/days to recur on for rYearly, // sorted in numerical order int rFreq; // frequency of period // one of the following must be specified int rDuration; // num times to recur (inc. first occurrence), -1 = infinite QDateTime rEndDateTime; // date/time at which to end recurrence QDateTime mRecurStart; // date/time of first recurrence bool mFloats; // the recurrence has no time, just a date bool mRecurReadOnly; int mRecurExDatesCount; // number of recurrences (in addition to rDuration) which are excluded Feb29Type mFeb29YearlyType; // how to handle yearly recurrences of February 29th static Feb29Type mFeb29YearlyDefaultType; // default value for mFeb29YearlyType // Backwards compatibility for KDE < 3.1. int mCompatVersion; // calendar file version for backwards compatibility short mCompatRecurs; // original 'recurs' in old calendar format, or rNone int mCompatDuration; // original 'rDuration' in old calendar format, or 0 Incidence *mParent; }; } #endif