Skip to main content :: ::

KDE PIM API Reference

:: Skip to Link Menu

/ API Reference / libkcal

libkcal calendarlocal.cpp /* This file is part of libkcal. Copyright (c) 1998 Preston Brown <pbrown@kde.org> Copyright (c) 2001,2003,2004 Cornelius Schumacher <schumacher@kde.org> Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com> 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <qdatetime.h> #include <qstring.h> #include <qptrlist.h> #include <kdebug.h> #include <klocale.h> #include <kmessagebox.h> #include "vcaldrag.h" #include "vcalformat.h" #include "icalformat.h" #include "exceptions.h" #include "incidence.h" #include "journal.h" #include "filestorage.h" #include "calendarlocal.h" using namespace KCal; CalendarLocal::CalendarLocal( const QString &timeZoneId ) : Calendar( timeZoneId ), mEvents( 47 ) { init(); } void CalendarLocal::init() { mDeletedIncidences.setAutoDelete( true ); mFileName = QString::null; } CalendarLocal::~CalendarLocal() { close(); } bool CalendarLocal::load( const QString &fileName, CalFormat *format ) { mFileName = fileName; FileStorage storage( this, fileName, format ); return storage.load(); } bool CalendarLocal::reload( const QString &tz ) { const QString filename = mFileName; save(); close(); mFileName = filename; setTimeZoneId( tz ); FileStorage storage( this, mFileName ); return storage.load(); } bool CalendarLocal::save( const QString &fileName, CalFormat *format ) { // Save only if the calendar is either modified, or saved to a // different file than it was loaded from if ( mFileName != fileName || isModified() ) { FileStorage storage( this, fileName, format ); return storage.save(); } else { return true; } } void CalendarLocal::close() { setObserversEnabled( false ); mFileName = QString::null; deleteAllEvents(); deleteAllTodos(); deleteAllJournals(); mDeletedIncidences.clear(); setModified( false ); setObserversEnabled( true ); } bool CalendarLocal::addEvent( Event *event ) { insertEvent( event ); event->registerObserver( this ); setModified( true ); notifyIncidenceAdded( event ); return true; } bool CalendarLocal::deleteEvent( Event *event ) { // kdDebug(5800) << "CalendarLocal::deleteEvent" << endl; if ( mEvents.remove( event->uid() ) ) { setModified( true ); notifyIncidenceDeleted( event ); mDeletedIncidences.append( event ); return true; } else { kdWarning() << "CalendarLocal::deleteEvent(): Event not found." << endl; return false; } } void CalendarLocal::deleteAllEvents() { // kdDebug(5800) << "CalendarLocal::deleteAllEvents" << endl; QDictIterator<Event> it( mEvents ); while( it.current() ) { notifyIncidenceDeleted( it.current() ); ++it; } mEvents.setAutoDelete( true ); mEvents.clear(); mEvents.setAutoDelete( false ); } Event *CalendarLocal::event( const QString &uid ) { // kdDebug(5800) << "CalendarLocal::event(): " << uid << endl; return mEvents[ uid ]; } bool CalendarLocal::addTodo( Todo *todo ) { mTodoList.append( todo ); todo->registerObserver( this ); // Set up subtask relations setupRelations( todo ); setModified( true ); notifyIncidenceAdded( todo ); return true; } bool CalendarLocal::deleteTodo( Todo *todo ) { // Handle orphaned children removeRelations( todo ); if ( mTodoList.removeRef( todo ) ) { setModified( true ); notifyIncidenceDeleted( todo ); mDeletedIncidences.append( todo ); return true; } else { kdWarning() << "CalendarLocal::deleteTodo(): Todo not found." << endl; return false; } } void CalendarLocal::deleteAllTodos() { // kdDebug(5800) << "CalendarLocal::deleteAllTodos()\n"; Todo::List::ConstIterator it; for( it = mTodoList.begin(); it != mTodoList.end(); ++it ) { notifyIncidenceDeleted( *it ); } mTodoList.setAutoDelete( true ); mTodoList.clear(); mTodoList.setAutoDelete( false ); } Todo::List CalendarLocal::rawTodos( TodoSortField sortField, SortDirection sortDirection ) { return sortTodos( &mTodoList, sortField, sortDirection ); } Todo *CalendarLocal::todo( const QString &uid ) { Todo::List::ConstIterator it; for ( it = mTodoList.begin(); it != mTodoList.end(); ++it ) { if ( (*it)->uid() == uid ) return *it; } return 0; } Todo::List CalendarLocal::rawTodosForDate( const QDate &date ) { Todo::List todos; Todo::List::ConstIterator it; for ( it = mTodoList.begin(); it != mTodoList.end(); ++it ) { Todo *todo = *it; if ( todo->hasDueDate() && todo->dtDue().date() == date ) { todos.append( todo ); } } return todos; } Alarm::List CalendarLocal::alarmsTo( const QDateTime &to ) { return alarms( QDateTime( QDate( 1900, 1, 1 ) ), to ); } Alarm::List CalendarLocal::alarms( const QDateTime &from, const QDateTime &to ) { // kdDebug(5800) << "CalendarLocal::alarms(" << from.toString() << " - " // << to.toString() << ")" << endl; Alarm::List alarms; EventDictIterator it( mEvents ); for( ; it.current(); ++it ) { Event *e = *it; if ( e->doesRecur() ) appendRecurringAlarms( alarms, e, from, to ); else appendAlarms( alarms, e, from, to ); } Todo::List::ConstIterator it2; for( it2 = mTodoList.begin(); it2 != mTodoList.end(); ++it2 ) { if (! (*it2)->isCompleted() ) appendAlarms( alarms, *it2, from, to ); } return alarms; } void CalendarLocal::appendAlarms( Alarm::List &alarms, Incidence *incidence, const QDateTime &from, const QDateTime &to ) { QDateTime preTime = from.addSecs(-1); Alarm::List::ConstIterator it; for( it = incidence->alarms().begin(); it != incidence->alarms().end(); ++it ) { if ( (*it)->enabled() ) { QDateTime dt = (*it)->nextRepetition(preTime); if ( dt.isValid() && dt <= to ) { kdDebug(5800) << "CalendarLocal::appendAlarms() '" << incidence->summary() << "': " << dt.toString() << endl; alarms.append( *it ); } } } } void CalendarLocal::appendRecurringAlarms( Alarm::List &alarms, Incidence *incidence, const QDateTime &from, const QDateTime &to ) { QDateTime qdt; int endOffset = 0; bool endOffsetValid = false; int period = from.secsTo(to); Alarm::List::ConstIterator it; for( it = incidence->alarms().begin(); it != incidence->alarms().end(); ++it ) { Alarm *alarm = *it; if ( alarm->enabled() ) { if ( alarm->hasTime() ) { // The alarm time is defined as an absolute date/time qdt = alarm->nextRepetition( from.addSecs(-1) ); if ( !qdt.isValid() || qdt > to ) continue; } else { // The alarm time is defined by an offset from the event start or end time. // Find the offset from the event start time, which is also used as the // offset from the recurrence time. int offset = 0; if ( alarm->hasStartOffset() ) { offset = alarm->startOffset().asSeconds(); } else if ( alarm->hasEndOffset() ) { if ( !endOffsetValid ) { endOffset = incidence->dtStart().secsTo( incidence->dtEnd() ); endOffsetValid = true; } offset = alarm->endOffset().asSeconds() + endOffset; } // Adjust the 'from' date/time and find the next recurrence at or after it qdt = incidence->recurrence()->getNextDateTime( from.addSecs(-offset - 1) ); if ( !qdt.isValid() || (qdt = qdt.addSecs( offset )) > to ) // remove the adjustment to get the alarm time { // The next recurrence is too late. if ( !alarm->repeatCount() ) continue; // The alarm has repetitions, so check whether repetitions of previous // recurrences fall within the time period. bool found = false; qdt = from.addSecs( -offset ); while ( (qdt = incidence->recurrence()->getPreviousDateTime( qdt )).isValid() ) { int toFrom = qdt.secsTo( from ) - offset; if ( toFrom > alarm->duration() ) break; // this recurrence's last repetition is too early, so give up // The last repetition of this recurrence is at or after 'from' time. // Check if a repetition occurs between 'from' and 'to'. int snooze = alarm->snoozeTime() * 60; // in seconds if ( period >= snooze || toFrom % snooze == 0 || (toFrom / snooze + 1) * snooze <= toFrom + period ) { found = true; #ifndef NDEBUG qdt = qdt.addSecs( offset + ((toFrom-1) / snooze + 1) * snooze ); // for debug output #endif break; } } if ( !found ) continue; } } kdDebug(5800) << "CalendarLocal::appendAlarms() '" << incidence->summary() << "': " << qdt.toString() << endl; alarms.append( alarm ); } } } void CalendarLocal::insertEvent( Event *event ) { QString uid = event->uid(); if ( mEvents[ uid ] == 0 ) { mEvents.insert( uid, event ); } #ifndef NDEBUG else // if we already have an event with this UID, it has to be the same event, // otherwise something's really broken Q_ASSERT( mEvents[uid] == event ); #endif } Event::List CalendarLocal::rawEventsForDate( const QDate &qd, EventSortField sortField, SortDirection sortDirection ) { Event::List eventList; EventDictIterator it( mEvents ); for( ; it.current(); ++it ) { Event *event = *it; if ( event->doesRecur() ) { if ( event->isMultiDay() ) { int extraDays = event->dtStart().date().daysTo( event->dtEnd().date() ); int i; for ( i = 0; i <= extraDays; i++ ) { if ( event->recursOn( qd.addDays( -i ) ) ) { eventList.append( event ); break; } } } else { if ( event->recursOn( qd ) ) eventList.append( event ); } } else { if ( event->dtStart().date() <= qd && event->dateEnd() >= qd ) { eventList.append( event ); } } } return sortEvents( &eventList, sortField, sortDirection ); } Event::List CalendarLocal::rawEvents( const QDate &start, const QDate &end, bool inclusive ) { Event::List eventList; QDate yesterStart = start.addDays(-1); // Get non-recurring events EventDictIterator it( mEvents ); for( ; it.current(); ++it ) { Event *event = *it; QDate rStart = event->dtStart().date(); if (end < rStart) { // kdDebug(5800) << "Skipping event starting after TOI" << endl; continue; } if ( inclusive && rStart < start) { // kdDebug(5800) << "Skipping event starting before TOI while inclusive" << endl; continue; } if ( ! event->doesRecur() ) { // non-recurring events QDate rEnd = event->dtEnd().date(); if (rEnd < start) { // kdDebug(5800) << "Skipping event ending before TOI" << endl; continue; } if ( inclusive && end < rEnd ) { // kdDebug(5800) << "Skipping event ending after TOI while inclusive" << endl; continue; } } else { // recurring events switch ( event->recurrence()->duration() ) { case -1: // infinite if ( inclusive ) { // kdDebug(5800) << "Skipping infinite event because inclusive" << endl; continue; } break; case 0: // end date given default: // count given QDate rEnd = event->recurrence()->endDate(); if ( ! rEnd.isValid() ) { // kdDebug(5800) << "Skipping recurring event without occurences" << endl; continue; } if ( rEnd < start ) { // kdDebug(5800) << "Skipping recurring event ending before TOI" << endl; continue; } if ( inclusive && end < rEnd ) { // kdDebug(5800) << "Skipping recurring event ending after TOI while inclusive" << endl; continue; } /* FIXME: too much conversion between QDate and QDateTime makes this useless: * freebusy(end=QDateTime(day, "00:00:00")) -> * rawEvents(end=QDate(day)) -> * durationTo(QDateTime(day, "23:59:59")) * so events repeating at the end day match and are included. */ #if 0 int durationBeforeStart = event->recurrence()->durationTo(yesterStart); int durationUntilEnd = event->recurrence()->durationTo(end); if (durationBeforeStart == durationUntilEnd) { kdDebug(5800) << "Skipping recurring event without occurences in TOI" << endl; continue; } #endif break; } // switch(duration) } // if(doesRecur) eventList.append( event ); } return eventList; } Event::List CalendarLocal::rawEventsForDate( const QDateTime &qdt ) { return rawEventsForDate( qdt.date() ); } Event::List CalendarLocal::rawEvents( EventSortField sortField, SortDirection sortDirection ) { Event::List eventList; EventDictIterator it( mEvents ); for( ; it.current(); ++it ) eventList.append( *it ); return sortEvents( &eventList, sortField, sortDirection ); } bool CalendarLocal::addJournal(Journal *journal) { // if (journal->dtStart().isValid()) // kdDebug(5800) << "Adding Journal on " << journal->dtStart().toString() << endl; // else // kdDebug(5800) << "Adding Journal without a DTSTART" << endl; mJournalList.append(journal); journal->registerObserver( this ); setModified( true ); notifyIncidenceAdded( journal ); return true; } bool CalendarLocal::deleteJournal( Journal *journal ) { if ( mJournalList.removeRef( journal ) ) { setModified( true ); notifyIncidenceDeleted( journal ); mDeletedIncidences.append( journal ); return true; } else { kdWarning() << "CalendarLocal::deleteJournal(): Journal not found." << endl; return false; } } void CalendarLocal::deleteAllJournals() { Journal::List::ConstIterator it; for( it = mJournalList.begin(); it != mJournalList.end(); ++it ) { notifyIncidenceDeleted( *it ); } mJournalList.setAutoDelete( true ); mJournalList.clear(); mJournalList.setAutoDelete( false ); } Journal *CalendarLocal::journal( const QString &uid ) { Journal::List::ConstIterator it; for ( it = mJournalList.begin(); it != mJournalList.end(); ++it ) if ( (*it)->uid() == uid ) return *it; return 0; } Journal::List CalendarLocal::rawJournals( JournalSortField sortField, SortDirection sortDirection ) { return sortJournals( &mJournalList, sortField, sortDirection ); } Journal::List CalendarLocal::rawJournalsForDate( const QDate &date ) { Journal::List journals; Journal::List::ConstIterator it; for ( it = mJournalList.begin(); it != mJournalList.end(); ++it ) { Journal *journal = *it; if ( journal->dtStart().date() == date ) { journals.append( journal ); } } return journals; } void CalendarLocal::setTimeZoneIdViewOnly( const QString& tz ) { const QString question( i18n("The timezone setting was changed. In order to display the calendar " "you are looking at in the new timezone, it needs to be saved. Do you want to save the pending " "changes or rather wait and apply the new timezone on the next reload?" ) ); int rc = KMessageBox::Yes; if ( isModified() ) { rc = KMessageBox::questionYesNo( 0, question, i18n("Save before applying timezones?"), KStdGuiItem::save(), KGuiItem(i18n("Apply Timezone Change on Next Reload")), "calendarLocalSaveBeforeTimezoneShift"); } if ( rc == KMessageBox::Yes ) { reload( tz ); } }

libkcal Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members API Dox akregator   src     librss certmanager   lib kaddressbook kalarm   lib kandy karm kdgantt kgantt kioslaves   imap4   mbox kitchensync kmail knotes konsolekalendar kontact korganizer kpilot   kpilot   lib libemailfunctions libkcal libkdepim libkholidays libkmime libkpgp libkpimidentities

KDE Home | KDE Accessibility Home | Description of Access Keys

Maintained by Adriaan de Groot and Allen Winter.
KDE and K Desktop Environment are trademarks of KDE e.V. | Legal