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/*
This file is part of libkcal.
Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
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.
*/
#include <kdebug.h>
#include "freebusy.h"
using namespace KCal;
FreeBusy::FreeBusy()
{
}
FreeBusy::FreeBusy(const QDateTime &start, const QDateTime &end)
{
setDtStart(start);
setDtEnd(end);
}
FreeBusy::FreeBusy( Calendar *calendar, const QDateTime &start, const QDateTime &end )
{
kdDebug() << "FreeBusy::FreeBusy" << endl;
mCalendar = calendar;
setDtStart(start);
setDtEnd(end);
//Gets all the events in the calendar
QPtrList<Event> eventList = mCalendar->events();
Event *event;
int extraDays, i, x, duration;
duration = start.daysTo(end);
QDate day;
QDateTime tmpStart;
QDateTime tmpEnd;
//Loops through every event in the calendar
for( event = eventList.first(); event; event = eventList.next() ) {
//This whole for loop is for recurring events, it loops through
//each of the days of the freebusy request
//First check if this is transparent. If it is, it shouldn't be in the
//freebusy list
if ( event->transparency() == Event::Transparent )
// Transparent
continue;
for(i=0; i<=duration; i++) {
day=(start.addDays(i).date());
tmpStart.setDate(day);
tmpEnd.setDate(day);
if( (*(event->recurrence())).doesRecur() ) {
if ( event->isMultiDay() ) {
extraDays = event->dtStart().date().daysTo(event->dtEnd().date());
for (x=0; x<=extraDays; x++) {
if ( event->recursOn(day.addDays(-x))) {
tmpStart.setDate(day.addDays(-x));
tmpStart.setTime(event->dtStart().time());
tmpEnd=tmpStart.addSecs( (event->duration()) );
addLocalPeriod( tmpStart, tmpEnd );
break;
}
}
} else {
if (event->recursOn(day)) {
tmpStart.setTime(event->dtStart().time());
tmpEnd.setTime(event->dtEnd().time());
addLocalPeriod (tmpStart, tmpEnd);
}
}
}
}
//Non-reocurring events
addLocalPeriod(event->dtStart(), event->dtEnd());
}
sortList();
}
FreeBusy::~FreeBusy()
{
}
bool FreeBusy::setDtEnd( const QDateTime &end )
{
mDtEnd = end;
return true;
}
QDateTime FreeBusy::dtEnd() const
{
return mDtEnd;
}
QValueList<Period> FreeBusy::busyPeriods() const
{
return mBusyPeriods;
}
bool FreeBusy::addLocalPeriod(const QDateTime &eventStart, const QDateTime &eventEnd ) {
QDateTime tmpStart;
QDateTime tmpEnd;
//Check to see if the start *or* end of the event is
//between the start and end of the freebusy dates.
if (!((((this->dtStart()).secsTo(eventStart)>=0)&&(eventStart.secsTo(this->dtEnd())>=0))
||(((this->dtStart()).secsTo(eventEnd) >= 0)&&(eventEnd.secsTo(this->dtEnd()) >= 0))))
return false;
if ( eventStart.secsTo(this->dtStart())>=0) {
tmpStart = this->dtStart();
} else {
tmpStart = eventStart;
}
if ( eventEnd.secsTo(this->dtEnd())<=0 ) {
tmpEnd = this->dtEnd();
} else {
tmpEnd = eventEnd;
}
Period p(tmpStart, tmpEnd);
mBusyPeriods.append( p );
return true;
}
FreeBusy::FreeBusy(QValueList<Period> busyPeriods)
{
mBusyPeriods = busyPeriods;
}
void FreeBusy::sortList()
{
typedef QValueList<Period> PeriodList;
PeriodList::Iterator tmpPeriod, earlyPeriod;
PeriodList sortedList;
QDateTime earlyTime;
while( mBusyPeriods.count() > 0 ) {
earlyTime=(*mBusyPeriods.begin()).start();
for (tmpPeriod=mBusyPeriods.begin(); tmpPeriod!=mBusyPeriods.end(); tmpPeriod++) {
if (earlyTime.secsTo((*tmpPeriod).start()) <= 0) {
earlyTime=(*tmpPeriod).start();
earlyPeriod=tmpPeriod;
}
}
//Move tmpPeriod to sortedList
Period tmpPeriod( (*earlyPeriod).start(), (*earlyPeriod).end() );
sortedList.append( tmpPeriod );
mBusyPeriods.remove( earlyPeriod );
}
mBusyPeriods=sortedList;
}
void FreeBusy::addPeriod(const QDateTime &start, const QDateTime &end)
{
Period p(start, end);
mBusyPeriods.append( p );
sortList();
}
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