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90 lines
4.4 KiB
90 lines
4.4 KiB
/*
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* karecurrence.h - recurrence with special yearly February 29th handling
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* Program: kalarm
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* Copyright © 2005,2006 by David Jarvie <software@astrojar.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef KARECURRENCE_H
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#define KARECURRENCE_H
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#include <libkcal/recurrence.h>
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class DateTime;
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class KARecurrence : public KCal::Recurrence
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{
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public:
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/** The recurrence's period type.
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* This is a subset of the possible KCal recurrence types.
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*/
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enum Type {
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NO_RECUR, // does not recur
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MINUTELY, // at an hours/minutes interval
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DAILY, // daily
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WEEKLY, // weekly, on specified weekdays
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MONTHLY_POS, // monthly, on specified weekdays in a specified week of the month
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MONTHLY_DAY, // monthly, on a specified day of the month
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ANNUAL_DATE, // yearly, on a specified date in each of the specified months
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ANNUAL_POS // yearly, on specified weekdays in the specified weeks of the specified months
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};
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/** The date on which a yearly February 29th recurrence falls in non-leap years */
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enum Feb29Type {
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FEB29_FEB29, // February 29th recurrences are omitted in non-leap years
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FEB29_MAR1, // February 29th recurrences are on March 1st in non-leap years
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FEB29_FEB28 // February 29th recurrences are on February 28th in non-leap years
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};
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KARecurrence() : KCal::Recurrence(), mFeb29Type(FEB29_FEB29), mCachedType(-1) { }
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KARecurrence(const KCal::Recurrence& r) : KCal::Recurrence(r) { fix(); }
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KARecurrence(const KARecurrence& r) : KCal::Recurrence(r), mFeb29Type(r.mFeb29Type), mCachedType(r.mCachedType) { }
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bool set(const TQString& icalRRULE);
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bool set(Type t, int freq, int count, const DateTime& start, const TQDateTime& end)
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{ return set(t, freq, count, -1, start, end); }
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bool set(Type t, int freq, int count, const DateTime& start, const TQDateTime& end, Feb29Type f29)
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{ return set(t, freq, count, f29, start, end); }
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bool init(KCal::RecurrenceRule::PeriodType t, int freq, int count, const DateTime& start, const TQDateTime& end)
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{ return init(t, freq, count, -1, start, end); }
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bool init(KCal::RecurrenceRule::PeriodType t, int freq, int count, const DateTime& start, const TQDateTime& end, Feb29Type f29)
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{ return init(t, freq, count, f29, start, end); }
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void fix();
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void writeRecurrence(KCal::Recurrence&) const;
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TQDateTime endDateTime() const;
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TQDate endDate() const;
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bool recursOn(const TQDate&) const;
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TQDateTime getNextDateTime(const TQDateTime& preDateTime) const;
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TQDateTime getPreviousDateTime(const TQDateTime& afterDateTime) const;
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int longestInterval() const;
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Type type() const;
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static Type type(const KCal::RecurrenceRule*);
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static bool dailyType(const KCal::RecurrenceRule*);
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Feb29Type feb29Type() const { return mFeb29Type; }
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static Feb29Type defaultFeb29Type() { return mDefaultFeb29; }
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static void setDefaultFeb29Type(Feb29Type t) { mDefaultFeb29 = t; }
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private:
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bool set(Type, int freq, int count, int feb29Type, const DateTime& start, const TQDateTime& end);
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bool init(KCal::RecurrenceRule::PeriodType, int freq, int count, int feb29Type, const DateTime& start, const TQDateTime& end);
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int combineDurations(const KCal::RecurrenceRule*, const KCal::RecurrenceRule*, TQDate& end) const;
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int longestWeeklyInterval(const TQBitArray& days, int frequency);
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static Feb29Type mDefaultFeb29;
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Feb29Type mFeb29Type; // yearly recurrence on Feb 29th (leap years) / Mar 1st (non-leap years)
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mutable int mCachedType;
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};
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#endif // KARECURRENCE_H
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