Initial revision

1 files changed, 426 insertions, 0 deletions

diff --git a/libkcal/calendar.cpp b/libkcal/calendar.cpp
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+++ b/libkcal/calendar.cpp
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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"