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+/*
+ This file is part of libkcal.
+ Copyright (c) 1998 Preston Brown
+ Copyright (c) 2000,2001 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 <stdlib.h>
+#include <time.h>
+
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+
+#include "exceptions.h"
+#include "calfilter.h"
+
+#include "calendar.h"
+
+using namespace KCal;
+
+Calendar::Calendar()
+{
+
+ init();
+ setTimeZoneId( i18n (" 00:00 Europe/London(UTC)") );
+}
+
+Calendar::Calendar( const QString &timeZoneId )
+{
+
+ init();
+ setTimeZoneId(timeZoneId);
+}
+
+void Calendar::init()
+{
+ mObserver = 0;
+ mNewObserver = false;
+
+ mModified = false;
+
+ // Setup default filter, which does nothing
+ mDefaultFilter = new CalFilter;
+ mFilter = mDefaultFilter;
+ mFilter->setEnabled(false);
+
+ // initialize random numbers. This is a hack, and not
+ // even that good of one at that.
+// srandom(time(0));
+
+ // user information...
+ setOwner(i18n("Unknown Name"));
+ setEmail(i18n("unknown@nowhere"));
+
+#if 0
+ tmpStr = KOPrefs::instance()->mTimeZone;
+// kdDebug(5800) << "Calendar::Calendar(): TimeZone: " << tmpStr << endl;
+ int dstSetting = KOPrefs::instance()->mDaylightSavings;
+ extern long int timezone;
+ struct tm *now;
+ time_t curtime;
+ curtime = time(0);
+ now = localtime(&curtime);
+ int hourOff = - ((timezone / 60) / 60);
+ if (now->tm_isdst)
+ hourOff += 1;
+ QString tzStr;
+ tzStr.sprintf("%.2d%.2d",
+ hourOff,
+ abs((timezone / 60) % 60));
+
+ // if no time zone was in the config file, write what we just discovered.
+ if (tmpStr.isEmpty()) {
+// KOPrefs::instance()->mTimeZone = tzStr;
+ } else {
+ tzStr = tmpStr;
+ }
+
+ // if daylight savings has changed since last load time, we need
+ // to rewrite these settings to the config file.
+ if ((now->tm_isdst && !dstSetting) ||
+ (!now->tm_isdst && dstSetting)) {
+ KOPrefs::instance()->mTimeZone = tzStr;
+ KOPrefs::instance()->mDaylightSavings = now->tm_isdst;
+ }
+
+ setTimeZone(tzStr);
+#endif
+
+// KOPrefs::instance()->writeConfig();
+}
+
+Calendar::~Calendar()
+{
+ delete mDefaultFilter;
+}
+
+const QString &Calendar::getOwner() const
+{
+ return mOwner;
+}
+
+void Calendar::setOwner(const QString &os)
+{
+ int i;
+ mOwner = os;
+ i = mOwner.find(',');
+ if (i != -1)
+ mOwner = mOwner.left(i);
+
+ setModified( true );
+}
+
+void Calendar::setTimeZone(const QString & tz)
+{
+ bool neg = FALSE;
+ int hours, minutes;
+ QString tmpStr(tz);
+
+ if (tmpStr.left(1) == "-")
+ neg = TRUE;
+ if (tmpStr.left(1) == "-" || tmpStr.left(1) == "+")
+ tmpStr.remove(0, 1);
+ hours = tmpStr.left(2).toInt();
+ if (tmpStr.length() > 2)
+ minutes = tmpStr.right(2).toInt();
+ else
+ minutes = 0;
+ mTimeZone = (60*hours+minutes);
+ if (neg)
+ mTimeZone = -mTimeZone;
+ mLocalTime = false;
+
+ setModified( true );
+}
+
+QString Calendar::getTimeZoneStr() const
+{
+ if (mLocalTime)
+ return "";
+ QString tmpStr;
+ int hours = abs(mTimeZone / 60);
+ int minutes = abs(mTimeZone % 60);
+ bool neg = mTimeZone < 0;
+
+ tmpStr.sprintf("%c%.2d%.2d",
+ (neg ? '-' : '+'),
+ hours, minutes);
+ return tmpStr;
+}
+
+void Calendar::setTimeZone(int tz)
+{
+ mTimeZone = tz;
+ mLocalTime = false;
+
+ setModified( true );
+}
+
+int Calendar::getTimeZone() const
+{
+ return mTimeZone;
+}
+
+void Calendar::setTimeZoneId(const QString &id)
+{
+ mTimeZoneId = id;
+ mLocalTime = false;
+ mTimeZone = KGlobal::locale()->timezoneOffset(mTimeZoneId);
+ if ( mTimeZone > 1000)
+ setLocalTime();
+ //qDebug("Calendar::setTimeZoneOffset %s %d ",mTimeZoneId.latin1(), mTimeZone);
+ setModified( true );
+}
+
+QString Calendar::timeZoneId() const
+{
+ return mTimeZoneId;
+}
+
+void Calendar::setLocalTime()
+{
+ //qDebug("Calendar::setLocalTime() ");
+ mLocalTime = true;
+ mTimeZone = 0;
+ mTimeZoneId = "";
+
+ setModified( true );
+}
+
+bool Calendar::isLocalTime() const
+{
+ return mLocalTime;
+}
+
+const QString &Calendar::getEmail()
+{
+ return mOwnerEmail;
+}
+
+void Calendar::setEmail(const QString &e)
+{
+ mOwnerEmail = e;
+
+ setModified( true );
+}
+
+void Calendar::setFilter(CalFilter *filter)
+{
+ mFilter = filter;
+}
+
+CalFilter *Calendar::filter()
+{
+ return mFilter;
+}
+
+QPtrList<Incidence> Calendar::incidences()
+{
+ QPtrList<Incidence> incidences;
+
+ Incidence *i;
+
+ QPtrList<Event> e = events();
+ for( i = e.first(); i; i = e.next() ) incidences.append( i );
+
+ QPtrList<Todo> t = todos();
+ for( i = t.first(); i; i = t.next() ) incidences.append( i );
+
+ QPtrList<Journal> j = journals();
+ for( i = j.first(); i; i = j.next() ) incidences.append( i );
+
+ return incidences;
+}
+
+QPtrList<Incidence> Calendar::rawIncidences()
+{
+ QPtrList<Incidence> incidences;
+
+ Incidence *i;
+
+ QPtrList<Event> e = rawEvents();
+ for( i = e.first(); i; i = e.next() ) incidences.append( i );
+
+ QPtrList<Todo> t = rawTodos();
+ for( i = t.first(); i; i = t.next() ) incidences.append( i );
+
+ QPtrList<Journal> j = journals();
+ for( i = j.first(); i; i = j.next() ) incidences.append( i );
+
+ return incidences;
+}
+
+QPtrList<Event> Calendar::events( const QDate &date, bool sorted )
+{
+ QPtrList<Event> el = rawEventsForDate(date,sorted);
+ mFilter->apply(&el);
+ return el;
+}
+
+QPtrList<Event> Calendar::events( const QDateTime &qdt )
+{
+ QPtrList<Event> el = rawEventsForDate(qdt);
+ mFilter->apply(&el);
+ return el;
+}
+
+QPtrList<Event> Calendar::events( const QDate &start, const QDate &end,
+ bool inclusive)
+{
+ QPtrList<Event> el = rawEvents(start,end,inclusive);
+ mFilter->apply(&el);
+ return el;
+}
+
+QPtrList<Event> Calendar::events()
+{
+ QPtrList<Event> el = rawEvents();
+ mFilter->apply(&el);
+ return el;
+}
+
+
+bool Calendar::addIncidence(Incidence *i)
+{
+ Incidence::AddVisitor<Calendar> v(this);
+
+ return i->accept(v);
+}
+void Calendar::deleteIncidence(Incidence *in)
+{
+ if ( in->type() == "Event" )
+ deleteEvent( (Event*) in );
+ else if ( in->type() =="Todo" )
+ deleteTodo( (Todo*) in);
+ else if ( in->type() =="Journal" )
+ deleteJournal( (Journal*) in );
+}
+
+Incidence* Calendar::incidence( const QString& uid )
+{
+ Incidence* i;
+
+ if( (i = todo( uid )) != 0 )
+ return i;
+ if( (i = event( uid )) != 0 )
+ return i;
+ if( (i = journal( uid )) != 0 )
+ return i;
+
+ return 0;
+}
+
+QPtrList<Todo> Calendar::todos()
+{
+ QPtrList<Todo> tl = rawTodos();
+ mFilter->apply( &tl );
+ return tl;
+}
+
+// When this is called, the todo have already been added to the calendar.
+// This method is only about linking related todos
+void Calendar::setupRelations( Incidence *incidence )
+{
+ QString uid = incidence->uid();
+ //qDebug("Calendar::setupRelations ");
+ // First, go over the list of orphans and see if this is their parent
+ while( Incidence* i = mOrphans[ uid ] ) {
+ mOrphans.remove( uid );
+ i->setRelatedTo( incidence );
+ incidence->addRelation( i );
+ mOrphanUids.remove( i->uid() );
+ }
+
+ // Now see about this incidences parent
+ if( !incidence->relatedTo() && !incidence->relatedToUid().isEmpty() ) {
+ // This incidence has a uid it is related to, but is not registered to it yet
+ // Try to find it
+ Incidence* parent = this->incidence( incidence->relatedToUid() );
+ if( parent ) {
+ // Found it
+ incidence->setRelatedTo( parent );
+ parent->addRelation( incidence );
+ } else {
+ // Not found, put this in the mOrphans list
+ mOrphans.insert( incidence->relatedToUid(), incidence );
+ mOrphanUids.insert( incidence->uid(), incidence );
+ }
+ }
+}
+
+// If a task with subtasks is deleted, move it's subtasks to the orphans list
+void Calendar::removeRelations( Incidence *incidence )
+{
+ // qDebug("Calendar::removeRelations ");
+ QString uid = incidence->uid();
+
+ QPtrList<Incidence> relations = incidence->relations();
+ for( Incidence* i = relations.first(); i; i = relations.next() )
+ if( !mOrphanUids.find( i->uid() ) ) {
+ mOrphans.insert( uid, i );
+ mOrphanUids.insert( i->uid(), i );
+ i->setRelatedTo( 0 );
+ i->setRelatedToUid( uid );
+ }
+
+ // If this incidence is related to something else, tell that about it
+ if( incidence->relatedTo() )
+ incidence->relatedTo()->removeRelation( incidence );
+
+ // Remove this one from the orphans list
+ if( mOrphanUids.remove( uid ) )
+ // This incidence is located in the orphans list - it should be removed
+ if( !( incidence->relatedTo() != 0 && mOrphans.remove( incidence->relatedTo()->uid() ) ) ) {
+ // Removing wasn't that easy
+ for( QDictIterator<Incidence> it( mOrphans ); it.current(); ++it ) {
+ if( it.current()->uid() == uid ) {
+ mOrphans.remove( it.currentKey() );
+ break;
+ }
+ }
+ }
+}
+
+void Calendar::registerObserver( Observer *observer )
+{
+ mObserver = observer;
+ mNewObserver = true;
+}
+
+void Calendar::setModified( bool modified )
+{
+ if ( mObserver ) mObserver->calendarModified( modified, this );
+ if ( modified != mModified || mNewObserver ) {
+ mNewObserver = false;
+ // if ( mObserver ) mObserver->calendarModified( modified, this );
+ mModified = modified;
+ }
+}
+
+void Calendar::setLoadedProductId( const QString &id )
+{
+ mLoadedProductId = id;
+}
+
+QString Calendar::loadedProductId()
+{
+ return mLoadedProductId;
+}
+
+#include "calendar.moc"