/*
    This file is part of libkcal.

    Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
    Copyright (c) 2004 Reinhold Kainhofer <reinhold@kainhofer.com>
    Copyright (c) 2009-2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>

    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 "incidenceformatter.h"

#include <libkcal/attachment.h>
#include <libkcal/event.h>
#include <libkcal/todo.h>
#include <libkcal/journal.h>
#include <libkcal/calendar.h>
#include <libkcal/calendarlocal.h>
#include <libkcal/icalformat.h>
#include <libkcal/freebusy.h>
#include <libkcal/calendarresources.h>

#include <libemailfunctions/email.h>

#include <ktnef/ktnefparser.h>
#include <ktnef/ktnefmessage.h>
#include <ktnef/ktnefdefs.h>
#include <kabc/phonenumber.h>
#include <kabc/vcardconverter.h>
#include <kabc/stdaddressbook.h>

#include <kapplication.h>
#include <kemailsettings.h>

#include <klocale.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <kcalendarsystem.h>
#include <kmimetype.h>

#include <tqbuffer.h>
#include <tqstylesheet.h>
#include <tqdatetime.h>
#include <tqregexp.h>

#include <time.h>

using namespace KCal;

/*******************
 *  General helpers
 *******************/

static TQString htmlAddLink( const TQString &ref, const TQString &text,
                             bool newline = true )
{
  TQString tmpStr( "<a href=\"" + ref + "\">" + text + "</a>" );
  if ( newline ) tmpStr += "\n";
  return tmpStr;
}

static TQString htmlAddTag( const TQString & tag, const TQString & text )
{
  int numLineBreaks = text.contains( "\n" );
  TQString str = "<" + tag + ">";
  TQString tmpText = text;
  TQString tmpStr = str;
  if( numLineBreaks >= 0 ) {
    if ( numLineBreaks > 0) {
      int pos = 0;
      TQString tmp;
      for( int i = 0; i <= numLineBreaks; i++ ) {
        pos = tmpText.find( "\n" );
        tmp = tmpText.left( pos );
        tmpText = tmpText.right( tmpText.length() - pos - 1 );
        tmpStr += tmp + "<br>";
      }
    } else {
      tmpStr += tmpText;
    }
  }
  tmpStr += "</" + tag + ">";
  return tmpStr;
}

static bool iamAttendee( Attendee *attendee )
{
  // Check if I'm this attendee

  bool iam = false;
  KEMailSettings settings;
  TQStringList profiles = settings.profiles();
  for( TQStringList::Iterator it=profiles.begin(); it!=profiles.end(); ++it ) {
    settings.setProfile( *it );
    if ( settings.getSetting( KEMailSettings::EmailAddress ) == attendee->email() ) {
      iam = true;
      break;
    }
  }
  return iam;
}

static bool iamOrganizer( Incidence *incidence )
{
  // Check if I'm the organizer for this incidence

  if ( !incidence ) {
    return false;
  }

  bool iam = false;
  KEMailSettings settings;
  TQStringList profiles = settings.profiles();
  for( TQStringList::Iterator it=profiles.begin(); it!=profiles.end(); ++it ) {
    settings.setProfile( *it );
    if ( settings.getSetting( KEMailSettings::EmailAddress ) == incidence->organizer().email() ) {
      iam = true;
      break;
    }
  }
  return iam;
}

static bool senderIsOrganizer( Incidence *incidence, const TQString &sender )
{
  // Check if the specified sender is the organizer

  if ( !incidence || sender.isEmpty() ) {
    return true;
  }
  bool isorg = true;
  TQString senderName, senderEmail;
  if ( KPIM::getNameAndMail( sender, senderName, senderEmail ) ) {
    // for this heuristic, we say the sender is the organizer if either the name or the email match.
    if ( incidence->organizer().email() != senderEmail &&
         incidence->organizer().name() != senderName ) {
      isorg = false;
    }
  }
  return isorg;
}

static TQString firstAttendeeName( Incidence *incidence, const TQString &defName )
{
  TQString name;
  if ( !incidence ) {
    return name;
  }

  Attendee::List attendees = incidence->attendees();
  if( attendees.count() > 0 ) {
    Attendee *attendee = *attendees.begin();
    name = attendee->name();
    if ( name.isEmpty() ) {
      name = attendee->email();
    }
    if ( name.isEmpty() ) {
      name = defName;
    }
  }
  return name;
}

/*******************************************************************
 *  Helper functions for the extensive display (display viewer)
 *******************************************************************/

static TQString displayViewLinkPerson( const TQString& email, TQString name, TQString uid )
{
  // Make the search, if there is an email address to search on,
  // and either name or uid is missing
  if ( !email.isEmpty() && ( name.isEmpty() || uid.isEmpty() ) ) {
    KABC::AddressBook *add_book = KABC::StdAddressBook::self( true );
    KABC::Addressee::List addressList = add_book->findByEmail( email );
    if ( !addressList.isEmpty() ) {
      KABC::Addressee o = addressList.first();
      if ( !o.isEmpty() && addressList.size() < 2 ) {
        if ( name.isEmpty() ) {
          // No name set, so use the one from the addressbook
          name = o.formattedName();
        }
        uid = o.uid();
      } else {
        // Email not found in the addressbook. Don't make a link
        uid = TQString();
      }
    }
  }

  // Show the attendee
  TQString tmpString;
  if ( !uid.isEmpty() ) {
    // There is a UID, so make a link to the addressbook
    if ( name.isEmpty() ) {
      // Use the email address for text
      tmpString += htmlAddLink( "uid:" + uid, email );
    } else {
      tmpString += htmlAddLink( "uid:" + uid, name );
    }
  } else {
    // No UID, just show some text
    tmpString += ( name.isEmpty() ? email : name );
  }

  // Make the mailto link
  if ( !email.isEmpty() ) {
    KURL mailto;
    mailto.setProtocol( "mailto" );
    mailto.setPath( email );
    const TQString iconPath =
      KGlobal::iconLoader()->iconPath( "mail_new", KIcon::Small );
    tmpString += "&nbsp;" +
                 htmlAddLink( mailto.url(),
                              "<img valign=\"top\" src=\"" + iconPath + "\">" );
  }

  return tmpString;
}

static TQString displayViewFormatAttendeeRoleList( Incidence *incidence, Attendee::Role role )
{
  TQString tmpStr;
  Attendee::List::ConstIterator it;
  Attendee::List attendees = incidence->attendees();

  for ( it = attendees.begin(); it != attendees.end(); ++it ) {
    Attendee *a = *it;
    if ( a->role() != role ) {
      // skip this role
      continue;
    }
    if ( a->email() == incidence->organizer().email() ) {
      // skip attendee that is also the organizer
      continue;
    }
    tmpStr += displayViewLinkPerson( a->email(), a->name(), a->uid() );
    if ( !a->delegator().isEmpty() ) {
      tmpStr += i18n(" (delegated by %1)" ).tqarg( a->delegator() );
    }
    if ( !a->delegate().isEmpty() ) {
      tmpStr += i18n(" (delegated to %1)" ).tqarg( a->delegate() );
    }
    tmpStr += "<br>";
  }
  if ( tmpStr.endsWith( "<br>" ) ) {
    tmpStr.truncate( tmpStr.length() - 4 );
  }
  return tmpStr;
}

static TQString displayViewFormatAttendees( Incidence *incidence )
{
  TQString tmpStr, str;

  // Add organizer link
  int attendeeCount = incidence->attendees().count();
  if ( attendeeCount > 1 ||
       ( attendeeCount == 1 &&
         incidence->organizer().email() != incidence->attendees().first()->email() ) ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Organizer:" ) + "</b></td>";
    tmpStr += "<td>" +
              displayViewLinkPerson( incidence->organizer().email(),
                                     incidence->organizer().name(),
                                     TQString() ) +
              "</td>";
    tmpStr += "</tr>";
  }

  // Add "chair"
  str = displayViewFormatAttendeeRoleList( incidence, Attendee::Chair );
  if ( !str.isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Chair:" ) + "</b></td>";
    tmpStr += "<td>" + str + "</td>";
    tmpStr += "</tr>";
  }

  // Add required participants
  str = displayViewFormatAttendeeRoleList( incidence, Attendee::ReqParticipant );
  if ( !str.isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Required Participants:" ) + "</b></td>";
    tmpStr += "<td>" + str + "</td>";
    tmpStr += "</tr>";
  }

  // Add optional participants
  str = displayViewFormatAttendeeRoleList( incidence, Attendee::OptParticipant );
  if ( !str.isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Optional Participants:" ) + "</b></td>";
    tmpStr += "<td>" + str + "</td>";
    tmpStr += "</tr>";
  }

  // Add observers
  str = displayViewFormatAttendeeRoleList( incidence, Attendee::NonParticipant );
  if ( !str.isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Observers:" ) + "</b></td>";
    tmpStr += "<td>" + str + "</td>";
    tmpStr += "</tr>";
  }

  return tmpStr;
}

static TQString displayViewFormatAttachments( Incidence *incidence )
{
  TQString tmpStr;
  Attachment::List as = incidence->attachments();
  Attachment::List::ConstIterator it;
  uint count = 0;
  for( it = as.begin(); it != as.end(); ++it ) {
    count++;
    if ( (*it)->isUri() ) {
      TQString name;
      if ( (*it)->uri().startsWith( "kmail:" ) ) {
        name = i18n( "Show mail" );
      } else {
        if ( (*it)->label().isEmpty() ) {
          name = (*it)->uri();
        } else {
          name = (*it)->label();
        }
      }
      tmpStr += htmlAddLink( (*it)->uri(), name );
    } else {
      tmpStr += htmlAddLink( "ATTACH:" + incidence->uid() + ':' + (*it)->label(),
                             (*it)->label(), false );
    }
    if ( count < as.count() ) {
      tmpStr += "<br>";
    }
  }
  return tmpStr;
}

static TQString displayViewFormatCategories( Incidence *incidence )
{
  // We do not use Incidence::categoriesStr() since it does not have whitespace
  return incidence->categories().join( ", " );
}

static TQString displayViewFormatCreationDate( Incidence *incidence )
{
  return i18n( "Creation date: %1" ).
    tqarg( IncidenceFormatter::dateTimeToString( incidence->created(), false, true ) );
}

static TQString displayViewFormatBirthday( Event *event )
{
  if ( !event ) {
    return  TQString();
  }
  if ( event->customProperty("KABC","BIRTHDAY") != "YES" ) {
    return TQString();
  }

  TQString uid = event->customProperty("KABC","UID-1");
  TQString name = event->customProperty("KABC","NAME-1");
  TQString email= event->customProperty("KABC","EMAIL-1");

  TQString tmpStr = displayViewLinkPerson( email, name, uid );

  if ( event->customProperty( "KABC", "ANNIVERSARY") == "YES" ) {
    uid = event->customProperty("KABC","UID-2");
    name = event->customProperty("KABC","NAME-2");
    email= event->customProperty("KABC","EMAIL-2");
    tmpStr += "<br>";
    tmpStr += displayViewLinkPerson( email, name, uid );
  }

  return tmpStr;
}

static TQString displayViewFormatHeader( Incidence *incidence )
{
  TQString tmpStr = "<table><tr>";

  // show icons
  {
    tmpStr += "<td>";

    if ( incidence->type() == "Event" ) {
      TQString iconPath;
      if ( incidence->customProperty( "KABC", "BIRTHDAY" ) == "YES" ) {
        if ( incidence->customProperty( "KABC", "ANNIVERSARY" ) == "YES" ) {
          iconPath =
            KGlobal::iconLoader()->iconPath( "calendaranniversary", KIcon::Small );
        } else {
          iconPath = KGlobal::iconLoader()->iconPath( "calendarbirthday", KIcon::Small );
        }
      } else {
        iconPath = KGlobal::iconLoader()->iconPath( "appointment", KIcon::Small );
      }
      tmpStr += "<img valign=\"top\" src=\"" + iconPath + "\">";
    }
    if ( incidence->type() == "Todo" ) {
      tmpStr += "<img valign=\"top\" src=\"" +
                KGlobal::iconLoader()->iconPath( "todo", KIcon::Small ) +
                "\">";
    }
    if ( incidence->type() == "Journal" ) {
      tmpStr += "<img valign=\"top\" src=\"" +
                KGlobal::iconLoader()->iconPath( "journal", KIcon::Small ) +
                "\">";
    }
    if ( incidence->isAlarmEnabled() ) {
      tmpStr += "<img valign=\"top\" src=\"" +
                KGlobal::iconLoader()->iconPath( "bell", KIcon::Small ) +
                "\">";
    }
    if ( incidence->doesRecur() ) {
      tmpStr += "<img valign=\"top\" src=\"" +
                KGlobal::iconLoader()->iconPath( "recur", KIcon::Small ) +
                "\">";
    }
    if ( incidence->isReadOnly() ) {
      tmpStr += "<img valign=\"top\" src=\"" +
                KGlobal::iconLoader()->iconPath( "readonlyevent", KIcon::Small ) +
                "\">";
    }

    tmpStr += "</td>";
  }

  tmpStr += "<td>";
  tmpStr += "<b><u>" + incidence->summary() + "</u></b>";
  tmpStr += "</td>";

  tmpStr += "</tr></table>";

  return tmpStr;
}

static TQString displayViewFormatEvent( Calendar *calendar, Event *event,
                                       const TQDate &date )
{
  if ( !event ) {
    return TQString();
  }

  TQString tmpStr = displayViewFormatHeader( event );

  tmpStr += "<table>";
  tmpStr += "<col width=\"25%\"/>";
  tmpStr += "<col width=\"75%\"/>";

  if ( calendar ) {
    TQString calStr = IncidenceFormatter::resourceString( calendar, event );
    if ( !calStr.isEmpty() ) {
      tmpStr += "<tr>";
      tmpStr += "<td><b>" + i18n( "Calendar:" ) + "</b></td>";
      tmpStr += "<td>" + calStr + "</td>";
      tmpStr += "</tr>";
    }
  }

  if ( !event->location().isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Location:" ) + "</b></td>";
    tmpStr += "<td>" + event->location() + "</td>";
    tmpStr += "</tr>";
  }

  TQDateTime startDt = event->dtStart();
  TQDateTime endDt = event->dtEnd();
  if ( event->doesRecur() ) {
    if ( date.isValid() ) {
      TQDateTime dt( date, TQTime( 0, 0, 0 ) );
      int diffDays = startDt.daysTo( dt );
      dt = dt.addSecs( -1 );
      startDt.setDate( event->recurrence()->getNextDateTime( dt ).date() );
      if ( event->hasEndDate() ) {
        endDt = endDt.addDays( diffDays );
        if ( startDt > endDt ) {
          startDt.setDate( event->recurrence()->getPreviousDateTime( dt ).date() );
          endDt = startDt.addDays( event->dtStart().daysTo( event->dtEnd() ) );
        }
      }
    }
  }

  tmpStr += "<tr>";
  if ( event->doesFloat() ) {
    if ( event->isMultiDay() ) {
      tmpStr += "<td><b>" + i18n( "Date:" ) + "</b></td>";
      tmpStr += "<td>" +
                i18n("<beginDate> - <endDate>","%1 - %2").
                tqarg( IncidenceFormatter::dateToString( startDt, false ) ).
                tqarg( IncidenceFormatter::dateToString( endDt, false ) ) +
                "</td>";
    } else {
      tmpStr += "<td><b>" + i18n( "Date:" ) + "</b></td>";
      tmpStr += "<td>" +
                i18n("date as string","%1").
                tqarg( IncidenceFormatter::dateToString( startDt, false ) ) +
                "</td>";
    }
  } else {
    if ( event->isMultiDay() ) {
      tmpStr += "<td><b>" + i18n( "Date:" ) + "</b></td>";
      tmpStr += "<td>" +
                i18n("<beginDate> - <endDate>","%1 - %2").
                tqarg( IncidenceFormatter::dateToString( startDt, false ) ).
                tqarg( IncidenceFormatter::dateToString( endDt, false ) ) +
                "</td>";
    } else {
      tmpStr += "<td><b>" + i18n( "Date:" ) + "</b></td>";
      tmpStr += "<td>" +
                i18n("date as string","%1").
                tqarg( IncidenceFormatter::dateToString( startDt, false ) ) +
                "</td>";

      tmpStr += "</tr><tr>";
      tmpStr += "<td><b>" + i18n( "Time:" ) + "</b></td>";
      if ( event->hasEndDate() && startDt != endDt ) {
        tmpStr += "<td>" +
                  i18n("<beginTime> - <endTime>","%1 - %2").
                  tqarg( IncidenceFormatter::timeToString( startDt, true ) ).
                  tqarg( IncidenceFormatter::timeToString( endDt, true ) ) +
                  "</td>";
      } else {
        tmpStr += "<td>" +
                  IncidenceFormatter::timeToString( startDt, true ) +
                  "</td>";
      }
    }
  }
  tmpStr += "</tr>";

  TQString durStr = IncidenceFormatter::durationString( event );
  if ( !durStr.isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Duration:" ) + "</b></td>";
    tmpStr += "<td>" + durStr + "</td>";
    tmpStr += "</tr>";
  }

  if ( event->doesRecur() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Recurrence:" ) + "</b></td>";
    tmpStr += "<td>" +
              IncidenceFormatter::recurrenceString( event ) +
              "</td>";
    tmpStr += "</tr>";
  }

  if ( event->customProperty("KABC","BIRTHDAY")== "YES" ) {
    tmpStr += "<tr>";
    if ( event->customProperty( "KABC", "ANNIVERSARY" ) == "YES" ) {
      tmpStr += "<td><b>" + i18n( "Anniversary:" ) + "</b></td>";
    } else {
      tmpStr += "<td><b>" + i18n( "Birthday:" ) + "</b></td>";
    }
    tmpStr += "<td>" + displayViewFormatBirthday( event ) + "</td>";
    tmpStr += "</tr>";
    tmpStr += "</table>";
    return tmpStr;
  }

  if ( !event->description().isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Description:" ) + "</b></td>";
    tmpStr += "<td>" + event->description() + "</td>";
    tmpStr += "</tr>";
  }

  // TODO: print comments?

  int reminderCount = event->alarms().count();
  if ( reminderCount > 0 && event->isAlarmEnabled() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Reminder:", "%n Reminders:", reminderCount ) +
              "</b></td>";
    tmpStr += "<td>" + IncidenceFormatter::reminderStringList( event ).join( "<br>" ) + "</td>";
    tmpStr += "</tr>";
  }

  tmpStr += displayViewFormatAttendees( event );

  int categoryCount = event->categories().count();
  if ( categoryCount > 0 ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Category:", "%n Categories:", categoryCount ) +
              "</b></td>";
    tmpStr += "<td>" + displayViewFormatCategories( event ) + "</td>";
    tmpStr += "</tr>";
  }

  int attachmentCount = event->attachments().count();
  if ( attachmentCount > 0 ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Attachment:", "%n Attachments:", attachmentCount ) +
              "</b></td>";
    tmpStr += "<td>" + displayViewFormatAttachments( event ) + "</td>";
    tmpStr += "</tr>";
  }
  tmpStr += "</table>";

  tmpStr += "<em>" + displayViewFormatCreationDate( event ) + "</em>";

  return tmpStr;
}

static TQString displayViewFormatTodo( Calendar *calendar, Todo *todo,
                                      const TQDate &date )
{
  if ( !todo ) {
    return TQString();
  }

  TQString tmpStr = displayViewFormatHeader( todo );

  tmpStr += "<table>";
  tmpStr += "<col width=\"25%\"/>";
  tmpStr += "<col width=\"75%\"/>";

  if ( calendar ) {
    TQString calStr = IncidenceFormatter::resourceString( calendar, todo );
    if ( !calStr.isEmpty() ) {
      tmpStr += "<tr>";
      tmpStr += "<td><b>" + i18n( "Calendar:" ) + "</b></td>";
      tmpStr += "<td>" + calStr + "</td>";
      tmpStr += "</tr>";
    }
  }

  if ( !todo->location().isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Location:" ) + "</b></td>";
    tmpStr += "<td>" + todo->location() + "</td>";
    tmpStr += "</tr>";
  }

  if ( todo->hasStartDate() && todo->dtStart().isValid() ) {
    TQDateTime startDt = todo->dtStart();
    if ( todo->doesRecur() ) {
      if ( date.isValid() ) {
        startDt.setDate( date );
      }
    }
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Start:" ) + "</b></td>";
    tmpStr += "<td>" +
              IncidenceFormatter::dateTimeToString( startDt,
                                                    todo->doesFloat(), false ) +
              "</td>";
    tmpStr += "</tr>";
  }

  if ( todo->hasDueDate() && todo->dtDue().isValid() ) {
    TQDateTime dueDt = todo->dtDue();
    if ( todo->doesRecur() ) {
      if ( date.isValid() ) {
        TQDateTime dt( date, TQTime( 0, 0, 0 ) );
        dt = dt.addSecs( -1 );
        dueDt.setDate( todo->recurrence()->getNextDateTime( dt ).date() );
      }
    }
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Due:" ) + "</b></td>";
    tmpStr += "<td>" +
              IncidenceFormatter::dateTimeToString( dueDt,
                                                    todo->doesFloat(), false ) +
              "</td>";
    tmpStr += "</tr>";
  }

  TQString durStr = IncidenceFormatter::durationString( todo );
  if ( !durStr.isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Duration:" ) + "</b></td>";
    tmpStr += "<td>" + durStr + "</td>";
    tmpStr += "</tr>";
  }

  if ( todo->doesRecur() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Recurrence:" ) + "</b></td>";
    tmpStr += "<td>" +
              IncidenceFormatter::recurrenceString( todo ) +
              "</td>";
    tmpStr += "</tr>";
  }

  if ( !todo->description().isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Description:" ) + "</b></td>";
    tmpStr += "<td>" + todo->description() + "</td>";
    tmpStr += "</tr>";
  }

  // TODO: print comments?

  int reminderCount = todo->alarms().count();
  if ( reminderCount > 0 && todo->isAlarmEnabled() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Reminder:", "%n Reminders:", reminderCount ) +
              "</b></td>";
    tmpStr += "<td>" + IncidenceFormatter::reminderStringList( todo ).join( "<br>" ) + "</td>";
    tmpStr += "</tr>";
  }

  tmpStr += displayViewFormatAttendees( todo );

  int categoryCount = todo->categories().count();
  if ( categoryCount > 0 ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Category:", "%n Categories:", categoryCount ) +
              "</b></td>";
    tmpStr += "<td>" + displayViewFormatCategories( todo ) + "</td>";
    tmpStr += "</tr>";
  }

  if ( todo->priority() > 0 ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Priority:" ) + "</b></td>";
    tmpStr += "<td>";
    tmpStr += TQString::number( todo->priority() );
    tmpStr += "</td>";
    tmpStr += "</tr>";
  }

  tmpStr += "<tr>";
  if ( todo->isCompleted() ) {
    tmpStr += "<td><b>" + i18n( "Completed:" ) + "</b></td>";
    tmpStr += "<td>";
    tmpStr += todo->completedStr();
  } else {
    tmpStr += "<td><b>" + i18n( "Percent Done:" ) + "</b></td>";
    tmpStr += "<td>";
    tmpStr += i18n( "%1%" ).tqarg( todo->percentComplete() );
  }
  tmpStr += "</td>";
  tmpStr += "</tr>";

  int attachmentCount = todo->attachments().count();
  if ( attachmentCount > 0 ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Attachment:", "Attachments:", attachmentCount ) +
              "</b></td>";
    tmpStr += "<td>" + displayViewFormatAttachments( todo ) + "</td>";
    tmpStr += "</tr>";
  }

  tmpStr += "</table>";

  tmpStr += "<em>" + displayViewFormatCreationDate( todo ) + "</em>";

  return tmpStr;
}

static TQString displayViewFormatJournal( Calendar *calendar, Journal *journal )
{
  if ( !journal ) {
    return TQString();
  }

  TQString tmpStr = displayViewFormatHeader( journal );

  tmpStr += "<table>";
  tmpStr += "<col width=\"25%\"/>";
  tmpStr += "<col width=\"75%\"/>";

  if ( calendar ) {
    TQString calStr = IncidenceFormatter::resourceString( calendar, journal );
    if ( !calStr.isEmpty() ) {
      tmpStr += "<tr>";
      tmpStr += "<td><b>" + i18n( "Calendar:" ) + "</b></td>";
      tmpStr += "<td>" + calStr + "</td>";
      tmpStr += "</tr>";
    }
  }

  tmpStr += "<tr>";
  tmpStr += "<td><b>" + i18n( "Date:" ) + "</b></td>";
  tmpStr += "<td>" +
            IncidenceFormatter::dateToString( journal->dtStart(), false ) +
            "</td>";
  tmpStr += "</tr>";

  if ( !journal->description().isEmpty() ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" + i18n( "Description:" ) + "</b></td>";
    tmpStr += "<td>" + journal->description() + "</td>";
    tmpStr += "</tr>";
  }

  int categoryCount = journal->categories().count();
  if ( categoryCount > 0 ) {
    tmpStr += "<tr>";
    tmpStr += "<td><b>" +
              i18n( "Category:", "%n Categories:", categoryCount ) +
              "</b></td>";
    tmpStr += "<td>" + displayViewFormatCategories( journal ) + "</td>";
    tmpStr += "</tr>";
  }
  tmpStr += "</table>";

  tmpStr += "<em>" + displayViewFormatCreationDate( journal ) + "</em>";

  return tmpStr;
}

static TQString displayViewFormatFreeBusy( Calendar * /*calendar*/, FreeBusy *fb )
{
  if ( !fb ) {
    return TQString();
  }

  TQString tmpStr = htmlAddTag( "h2",
                               htmlAddTag( "b",
                                           i18n("Free/Busy information for %1").
                                           tqarg( fb->organizer().fullName() ) ) );

  tmpStr += htmlAddTag( "h4", i18n("Busy times in date range %1 - %2:").
                        tqarg( IncidenceFormatter::dateToString( fb->dtStart(), true ) ).
                        tqarg( IncidenceFormatter::dateToString( fb->dtEnd(), true ) ) );

  TQValueList<Period> periods = fb->busyPeriods();

  TQString text = htmlAddTag( "em", htmlAddTag( "b", i18n("Busy:") ) );
  TQValueList<Period>::iterator it;
  for ( it = periods.begin(); it != periods.end(); ++it ) {
    Period per = *it;
    if ( per.hasDuration() ) {
      int dur = per.duration().asSeconds();
      TQString cont;
      if ( dur >= 3600 ) {
        cont += i18n("1 hour ", "%n hours ", dur / 3600 );
        dur %= 3600;
      }
      if ( dur >= 60 ) {
        cont += i18n("1 minute ", "%n minutes ", dur / 60);
        dur %= 60;
      }
      if ( dur > 0 ) {
        cont += i18n("1 second", "%n seconds", dur);
      }
      text += i18n("startDate for duration", "%1 for %2").
              tqarg( IncidenceFormatter::dateTimeToString( per.start(), false, true ) ).
              tqarg( cont );
      text += "<br>";
    } else {
      if ( per.start().date() == per.end().date() ) {
        text += i18n("date, fromTime - toTime ", "%1, %2 - %3").
                tqarg( IncidenceFormatter::dateToString( per.start().date(), true ) ).
                tqarg( IncidenceFormatter::timeToString( per.start(), true ) ).
                tqarg( IncidenceFormatter::timeToString( per.end(), true ) );
      } else {
        text += i18n("fromDateTime - toDateTime", "%1 - %2").
                tqarg( IncidenceFormatter::dateTimeToString( per.start(), false, true ) ).
                tqarg( IncidenceFormatter::dateTimeToString( per.end(), false, true ) );
      }
      text += "<br>";
    }
  }
  tmpStr += htmlAddTag( "p", text );
  return tmpStr;
}

class IncidenceFormatter::EventViewerVisitor : public IncidenceBase::Visitor
{
  public:
    EventViewerVisitor()
      : mCalendar( 0 ), mResult( "" ) {}

    bool act( Calendar *calendar, IncidenceBase *incidence, const TQDate &date )
    {
      mCalendar = calendar;
      mDate = date;
      mResult = "";
      return incidence->accept( *this );
    }
    TQString result() const { return mResult; }

  protected:
    bool visit( Event *event )
    {
      mResult = displayViewFormatEvent( mCalendar, event, mDate );
      return !mResult.isEmpty();
    }
    bool visit( Todo *todo )
    {
      mResult = displayViewFormatTodo( mCalendar, todo, mDate );
      return !mResult.isEmpty();
    }
    bool visit( Journal *journal )
    {
      mResult = displayViewFormatJournal( mCalendar, journal );
      return !mResult.isEmpty();
    }
    bool visit( FreeBusy *fb )
    {
      mResult = displayViewFormatFreeBusy( mCalendar, fb );
      return !mResult.isEmpty();
    }

  protected:
    Calendar *mCalendar;
    TQDate mDate;
    TQString mResult;
};

TQString IncidenceFormatter::extensiveDisplayString( IncidenceBase *incidence )
{
  return extensiveDisplayStr( 0, incidence, TQDate() );
}

TQString IncidenceFormatter::extensiveDisplayStr( Calendar *calendar,
                                                 IncidenceBase *incidence,
                                                 const TQDate &date )
{
  if ( !incidence ) {
    return TQString();
  }

  EventViewerVisitor v;
  if ( v.act( calendar, incidence, date ) ) {
    return v.result();
  } else {
    return TQString();
  }
}

/***********************************************************************
 *  Helper functions for the body part formatter of kmail (Invitations)
 ***********************************************************************/

static TQString string2HTML( const TQString& str )
{
  return TQStyleSheet::convertFromPlainText(str, TQStyleSheetItem::WhiteSpaceNormal);
}

static TQString cleanHtml( const TQString &html )
{
  TQRegExp rx( "<body[^>]*>(.*)</body>" );
  rx.setCaseSensitive( false );
  rx.search( html );
  TQString body = rx.cap( 1 );

  return TQStyleSheet::escape( body.remove( TQRegExp( "<[^>]*>" ) ).stripWhiteSpace() );
}

static TQString eventStartTimeStr( Event *event )
{
  TQString tmp;
  if ( !event->doesFloat() ) {
    tmp = i18n( "%1: Start Date, %2: Start Time", "%1 %2" ).
          tqarg( IncidenceFormatter::dateToString( event->dtStart(), true ),
               IncidenceFormatter::timeToString( event->dtStart(), true ) );
  } else {
    tmp = i18n( "%1: Start Date", "%1 (all day)" ).
          tqarg( IncidenceFormatter::dateToString( event->dtStart(), true ) );
  }
  return tmp;
}

static TQString eventEndTimeStr( Event *event )
{
  TQString tmp;
  if ( event->hasEndDate() && event->dtEnd().isValid() ) {
    if ( !event->doesFloat() ) {
      tmp = i18n( "%1: End Date, %2: End Time", "%1 %2" ).
            tqarg( IncidenceFormatter::dateToString( event->dtEnd(), true ),
                 IncidenceFormatter::timeToString( event->dtEnd(), true ) );
    } else {
      tmp = i18n( "%1: End Date", "%1 (all day)" ).
            tqarg( IncidenceFormatter::dateToString( event->dtEnd(), true ) );
    }
  }
  return tmp;
}

static TQString invitationRow( const TQString &cell1, const TQString &cell2 )
{
  return "<tr><td>" + cell1 + "</td><td>" + cell2 + "</td></tr>\n";
}

static Attendee *findDelegatedFromMyAttendee( Incidence *incidence )
{
  // Return the first attendee that was delegated-from me

  Attendee *attendee = 0;
  if ( !incidence ) {
    return attendee;
  }

  KEMailSettings settings;
  TQStringList profiles = settings.profiles();
  for( TQStringList::Iterator it=profiles.begin(); it!=profiles.end(); ++it ) {
    settings.setProfile( *it );

    TQString delegatorName, delegatorEmail;
    Attendee::List attendees = incidence->attendees();
    Attendee::List::ConstIterator it2;
    for ( it2 = attendees.begin(); it2 != attendees.end(); ++it2 ) {
      Attendee *a = *it2;
      KPIM::getNameAndMail( a->delegator(), delegatorName, delegatorEmail );
      if ( settings.getSetting( KEMailSettings::EmailAddress ) == delegatorEmail ) {
        attendee = a;
        break;
      }
    }
  }
  return attendee;
}

static Attendee *findMyAttendee( Incidence *incidence )
{
  // Return the attendee for the incidence that is probably me

  Attendee *attendee = 0;
  if ( !incidence ) {
    return attendee;
  }

  KEMailSettings settings;
  TQStringList profiles = settings.profiles();
  for( TQStringList::Iterator it=profiles.begin(); it!=profiles.end(); ++it ) {
    settings.setProfile( *it );

    Attendee::List attendees = incidence->attendees();
    Attendee::List::ConstIterator it2;
    for ( it2 = attendees.begin(); it2 != attendees.end(); ++it2 ) {
      Attendee *a = *it2;
      if ( settings.getSetting( KEMailSettings::EmailAddress ) == a->email() ) {
        attendee = a;
        break;
      }
    }
  }
  return attendee;
}

static Attendee *findAttendee( Incidence *incidence, const TQString &email )
{
  // Search for an attendee by email address

  Attendee *attendee = 0;
  if ( !incidence ) {
    return attendee;
  }

  Attendee::List attendees = incidence->attendees();
  Attendee::List::ConstIterator it;
  for ( it = attendees.begin(); it != attendees.end(); ++it ) {
    Attendee *a = *it;
    if ( email == a->email() ) {
      attendee = a;
      break;
    }
  }
  return attendee;
}

static bool rsvpRequested( Incidence *incidence )
{
  if ( !incidence ) {
    return false;
  }

  //use a heuristic to determine if a response is requested.

  bool rsvp = true; // better send superfluously than not at all
  Attendee::List attendees = incidence->attendees();
  Attendee::List::ConstIterator it;
  for ( it = attendees.begin(); it != attendees.end(); ++it ) {
    if ( it == attendees.begin() ) {
      rsvp = (*it)->RSVP(); // use what the first one has
    } else {
      if ( (*it)->RSVP() != rsvp ) {
        rsvp = true; // they differ, default
        break;
      }
    }
  }
  return rsvp;
}

static TQString rsvpRequestedStr( bool rsvpRequested, const TQString &role )
{
  if ( rsvpRequested ) {
    if ( role.isEmpty() ) {
      return i18n( "Your response is requested" );
    } else {
      return i18n( "Your response as <b>%1</b> is requested" ).tqarg( role );
    }
  } else {
    if ( role.isEmpty() ) {
      return i18n( "No response is necessary" );
    } else {
      return i18n( "No response as <b>%1</b> is necessary" ).tqarg( role );
    }
  }
}

static TQString myStatusStr( Incidence *incidence )
{
  TQString ret;
  Attendee *a = findMyAttendee( incidence );
  if ( a &&
       a->status() != Attendee::NeedsAction && a->status() != Attendee::Delegated ) {
    ret = i18n( "(<b>Note</b>: the Organizer preset your response to <b>%1</b>)" ).
          tqarg( Attendee::statusName( a->status() ) );
  }
  return ret;
}

static TQString invitationPerson( const TQString& email, TQString name, TQString uid )
{
  // Make the search, if there is an email address to search on,
  // and either name or uid is missing
  if ( !email.isEmpty() && ( name.isEmpty() || uid.isEmpty() ) ) {
    KABC::AddressBook *add_book = KABC::StdAddressBook::self( true );
    KABC::Addressee::List addressList = add_book->findByEmail( email );
    if ( !addressList.isEmpty() ) {
      KABC::Addressee o = addressList.first();
      if ( !o.isEmpty() && addressList.size() < 2 ) {
        if ( name.isEmpty() ) {
          // No name set, so use the one from the addressbook
          name = o.formattedName();
        }
        uid = o.uid();
      } else {
        // Email not found in the addressbook. Don't make a link
        uid = TQString();
      }
    }
  }

  // Show the attendee
  TQString tmpString;
  if ( !uid.isEmpty() ) {
    // There is a UID, so make a link to the addressbook
    if ( name.isEmpty() ) {
      // Use the email address for text
      tmpString += htmlAddLink( "uid:" + uid, email );
    } else {
      tmpString += htmlAddLink( "uid:" + uid, name );
    }
  } else {
    // No UID, just show some text
    tmpString += ( name.isEmpty() ? email : name );
  }
  tmpString += '\n';

  // Make the mailto link
  if ( !email.isEmpty() ) {
    KCal::Person person( name, email );
    KURL mailto;
    mailto.setProtocol( "mailto" );
    mailto.setPath( person.fullName() );
    const TQString iconPath =
      KGlobal::iconLoader()->iconPath( "mail_new", KIcon::Small );
    tmpString += "&nbsp;" +
                 htmlAddLink( mailto.url(), "<img src=\"" + iconPath + "\">" )
;
  }
  tmpString += "\n";

  return tmpString;
}

static TQString invitationsDetailsIncidence( Incidence *incidence, bool noHtmlMode )
{
  // if description and comment -> use both
  // if description, but no comment -> use the desc as the comment (and no desc)
  // if comment, but no description -> use the comment and no description

  TQString html;
  TQString descr;
  TQStringList comments;

  if ( incidence->comments().isEmpty() ) {
    if ( !incidence->description().isEmpty() ) {
      // use description as comments
      if ( !TQStyleSheet::mightBeRichText( incidence->description() ) ) {
        comments << string2HTML( incidence->description() );
      } else {
        comments << incidence->description();
        if ( noHtmlMode ) {
          comments[0] = cleanHtml( comments[0] );
        }
        comments[0] = htmlAddTag( "p", comments[0] );
      }
    }
    //else desc and comments are empty
  } else {
    // non-empty comments
    TQStringList cl = incidence->comments();
    uint i = 0;
    for( TQStringList::Iterator it=cl.begin(); it!=cl.end(); ++it ) {
      if ( !TQStyleSheet::mightBeRichText( *it ) ) {
        comments.append( string2HTML( *it ) );
      } else {
        if ( noHtmlMode ) {
          comments.append( cleanHtml( "<body>" + (*it) + "</body>" ) );
        } else {
          comments.append( *it );
        }
      }
      i++;
    }
    if ( !incidence->description().isEmpty() ) {
      // use description too
      if ( !TQStyleSheet::mightBeRichText( incidence->description() ) ) {
        descr = string2HTML( incidence->description() );
      } else {
        descr = incidence->description();
        if ( noHtmlMode ) {
          descr = cleanHtml( descr );
        }
        descr = htmlAddTag( "p", descr );
      }
    }
  }

  if( !descr.isEmpty() ) {
    html += "<p>";
    html += "<table border=\"0\" style=\"margin-top:4px;\">";
    html += "<tr><td><center>" +
            htmlAddTag( "u", i18n( "Description:" ) ) +
            "</center></td></tr>";
    html += "<tr><td>" + descr + "</td></tr>";
    html += "</table>";
  }

  if ( !comments.isEmpty() ) {
    html += "<p>";
    html += "<table border=\"0\" style=\"margin-top:4px;\">";
    html += "<tr><td><center>" +
            htmlAddTag( "u", i18n( "Comments:" ) ) +
            "</center></td></tr>";
    html += "<tr><td>";
    if ( comments.count() > 1 ) {
      html += "<ul>";
      for ( uint i=0; i < comments.count(); ++i ) {
        html += "<li>" + comments[i] + "</li>";
      }
      html += "</ul>";
    } else {
      html += comments[0];
    }
    html += "</td></tr>";
    html += "</table>";
  }
  return html;
}

static TQString invitationDetailsEvent( Event* event, bool noHtmlMode )
{
  // Invitation details are formatted into an HTML table
  if ( !event ) {
    return TQString();
  }

  TQString sSummary = i18n( "Summary unspecified" );
  if ( !event->summary().isEmpty() ) {
    if ( !TQStyleSheet::mightBeRichText( event->summary() ) ) {
      sSummary = TQStyleSheet::escape( event->summary() );
    } else {
      sSummary = event->summary();
      if ( noHtmlMode ) {
        sSummary = cleanHtml( sSummary );
      }
    }
  }

  TQString sLocation = i18n( "Location unspecified" );
  if ( !event->location().isEmpty() ) {
    if ( !TQStyleSheet::mightBeRichText( event->location() ) ) {
      sLocation = TQStyleSheet::escape( event->location() );
    } else {
      sLocation = event->location();
      if ( noHtmlMode ) {
        sLocation = cleanHtml( sLocation );
      }
    }
  }

  TQString dir = ( TQApplication::reverseLayout() ? "rtl" : "ltr" );
  TQString html = TQString("<div dir=\"%1\">\n").tqarg(dir);

  html += "<table border=\"0\" cellpadding=\"1\" cellspacing=\"1\">\n";

  // Invitation summary & location rows
  html += invitationRow( i18n( "What:" ), sSummary );
  html += invitationRow( i18n( "Where:" ), sLocation );

  if (event->doesRecur() == true) {
    html += invitationRow( i18n( "First Start Time:" ), eventStartTimeStr( event ) );
    html += invitationRow( i18n( "First End Time:" ), eventEndTimeStr( event ) );
  }
//   else {
    // If a 1 day event
    if ( event->dtStart().date() == event->dtEnd().date() ) {
      html += invitationRow( i18n( "Date:" ),
                             IncidenceFormatter::dateToString( event->dtStart(), false ) );
      if ( !event->doesFloat() ) {
        html += invitationRow( i18n( "Time:" ),
                               IncidenceFormatter::timeToString( event->dtStart(), true ) +
                               " - " +
                               IncidenceFormatter::timeToString( event->dtEnd(), true ) );
      }
    } else {
      html += invitationRow( i18n( "Starting date of an event", "From:" ),
                             IncidenceFormatter::dateToString( event->dtStart(), false ) );
      if ( !event->doesFloat() ) {
        html += invitationRow( i18n( "Starting time of an event", "At:" ),
                               IncidenceFormatter::timeToString( event->dtStart(), true ) );
      }
      if ( event->hasEndDate() ) {
        html += invitationRow( i18n( "Ending date of an event", "To:" ),
                               IncidenceFormatter::dateToString( event->dtEnd(), false ) );
        if ( !event->doesFloat() ) {
          html += invitationRow( i18n( "Starting time of an event", "At:" ),
                                 IncidenceFormatter::timeToString( event->dtEnd(), true ) );
        }
      } else {
        html += invitationRow( i18n( "Ending date of an event", "To:" ),
                               i18n( "no end date specified" ) );
      }
    }
//   }

  // Invitation Duration Row
  TQString durStr = IncidenceFormatter::durationString( event );
  if ( !durStr.isEmpty() ) {
    html += invitationRow( i18n( "Duration:" ), durStr );
  }

  // Recurrence Information Rows
  if ( event->doesRecur() ) {
    Recurrence *recur = event->recurrence();
    html += invitationRow( i18n( "Recurrence:" ), IncidenceFormatter::recurrenceString( event ) ); 

    DateList exceptions = recur->exDates();
    if (exceptions.isEmpty() == false) {
      bool isFirstExRow;
      isFirstExRow = true;
      DateList::ConstIterator ex_iter;
      for ( ex_iter = exceptions.begin(); ex_iter != exceptions.end(); ++ex_iter ) {
        if (isFirstExRow == true) {
          isFirstExRow = false;
          html += invitationRow( i18n("Cancelled on:"), KGlobal::locale()->formatDate(* ex_iter ) );
        }
        else {
          html += invitationRow(" ", KGlobal::locale()->formatDate(* ex_iter ) );
        }
      }
    }
  }

  html += "</table>\n";
  html += invitationsDetailsIncidence( event, noHtmlMode );
  html += "</div>\n";

  return html;
}

static TQString invitationDetailsTodo( Todo *todo, bool noHtmlMode )
{
  // Task details are formatted into an HTML table
  if ( !todo ) {
    return TQString();
  }

  TQString sSummary = i18n( "Summary unspecified" );
  if ( !todo->summary().isEmpty() ) {
    if ( !TQStyleSheet::mightBeRichText( todo->summary() ) ) {
      sSummary = TQStyleSheet::escape( todo->summary() );
    } else {
      sSummary = todo->summary();
      if ( noHtmlMode ) {
        sSummary = cleanHtml( sSummary );
      }
    }
  }

  TQString sLocation = i18n( "Location unspecified" );
  if ( !todo->location().isEmpty() ) {
    if ( !TQStyleSheet::mightBeRichText( todo->location() ) ) {
      sLocation = TQStyleSheet::escape( todo->location() );
    } else {
      sLocation = todo->location();
      if ( noHtmlMode ) {
        sLocation = cleanHtml( sLocation );
      }
    }
  }

  TQString dir = ( TQApplication::reverseLayout() ? "rtl" : "ltr" );
  TQString html = TQString("<div dir=\"%1\">\n").tqarg(dir);
  html += "<table border=\"0\" cellpadding=\"1\" cellspacing=\"1\">\n";

  // Invitation summary & location rows
  html += invitationRow( i18n( "What:" ), sSummary );
  html += invitationRow( i18n( "Where:" ), sLocation );

  if ( todo->hasStartDate() && todo->dtStart().isValid() ) {
    html += invitationRow( i18n( "Start Date:" ),
                           IncidenceFormatter::dateToString( todo->dtStart(), false ) );
    if ( !todo->doesFloat() ) {
      html += invitationRow( i18n( "Start Time:" ),
                             IncidenceFormatter::timeToString( todo->dtStart(), false ) );
    }
  }
  if ( todo->hasDueDate() && todo->dtDue().isValid() ) {
    html += invitationRow( i18n( "Due Date:" ),
                           IncidenceFormatter::dateToString( todo->dtDue(), false ) );
    if ( !todo->doesFloat() ) {
      html += invitationRow( i18n( "Due Time:" ),
                             IncidenceFormatter::timeToString( todo->dtDue(), false ) );
    }

  } else {
    html += invitationRow( i18n( "Due Date:" ), i18n( "Due Date: None", "None" ) );
  }

  html += "</table></div>\n";
  html += invitationsDetailsIncidence( todo, noHtmlMode );

  return html;
}

static TQString invitationDetailsJournal( Journal *journal, bool noHtmlMode )
{
  if ( !journal ) {
    return TQString();
  }

  TQString sSummary = i18n( "Summary unspecified" );
  TQString sDescr = i18n( "Description unspecified" );
  if ( ! journal->summary().isEmpty() ) {
    sSummary = journal->summary();
    if ( noHtmlMode ) {
      sSummary = cleanHtml( sSummary );
    }
  }
  if ( ! journal->description().isEmpty() ) {
    sDescr = journal->description();
    if ( noHtmlMode ) {
      sDescr = cleanHtml( sDescr );
    }
  }
  TQString html( "<table border=\"0\" cellpadding=\"1\" cellspacing=\"1\">\n" );
  html += invitationRow( i18n( "Summary:" ), sSummary );
  html += invitationRow( i18n( "Date:" ),
                         IncidenceFormatter::dateToString( journal->dtStart(), false ) );
  html += invitationRow( i18n( "Description:" ), sDescr );
  html += "</table>\n";
  html += invitationsDetailsIncidence( journal, noHtmlMode );

  return html;
}

static TQString invitationDetailsFreeBusy( FreeBusy *fb, bool /*noHtmlMode*/ )
{
  if ( !fb )
    return TQString();
  TQString html( "<table border=\"0\" cellpadding=\"1\" cellspacing=\"1\">\n" );

  html += invitationRow( i18n("Person:"), fb->organizer().fullName() );
  html += invitationRow( i18n("Start date:"),
                         IncidenceFormatter::dateToString( fb->dtStart(), true ) );
  html += invitationRow( i18n("End date:"),
                         KGlobal::locale()->formatDate( fb->dtEnd().date(), true ) );
  html += "<tr><td colspan=2><hr></td></tr>\n";
  html += "<tr><td colspan=2>Busy periods given in this free/busy object:</td></tr>\n";

  TQValueList<Period> periods = fb->busyPeriods();

  TQValueList<Period>::iterator it;
  for ( it = periods.begin(); it != periods.end(); ++it ) {
    Period per = *it;
    if ( per.hasDuration() ) {
      int dur = per.duration().asSeconds();
      TQString cont;
      if ( dur >= 3600 ) {
        cont += i18n("1 hour ", "%n hours ", dur / 3600);
        dur %= 3600;
      }
      if ( dur >= 60 ) {
        cont += i18n("1 minute", "%n minutes ", dur / 60);
        dur %= 60;
      }
      if ( dur > 0 ) {
        cont += i18n("1 second", "%n seconds", dur);
      }
      html += invitationRow( TQString(), i18n("startDate for duration", "%1 for %2")
          .tqarg( KGlobal::locale()->formatDateTime( per.start(), false ) )
          .tqarg(cont) );
    } else {
      TQString cont;
      if ( per.start().date() == per.end().date() ) {
        cont = i18n("date, fromTime - toTime ", "%1, %2 - %3")
            .tqarg( KGlobal::locale()->formatDate( per.start().date() ) )
            .tqarg( KGlobal::locale()->formatTime( per.start().time() ) )
            .tqarg( KGlobal::locale()->formatTime( per.end().time() ) );
      } else {
        cont = i18n("fromDateTime - toDateTime", "%1 - %2")
          .tqarg( KGlobal::locale()->formatDateTime( per.start(), false ) )
          .tqarg( KGlobal::locale()->formatDateTime( per.end(), false ) );
      }

      html += invitationRow( TQString(), cont );
    }
  }

  html += "</table>\n";
  return html;
}

static bool replyMeansCounter( Incidence */*incidence*/ )
{
  return false;
/**
  see kolab/issue 3665 for an example of when we might use this for something

  bool status = false;
  if ( incidence ) {
    // put code here that looks at the incidence and determines that
    // the reply is meant to be a counter proposal.  We think this happens
    // with Outlook counter proposals, but we aren't sure how yet.
    if ( condition ) {
      status = true;
    }
  }
  return status;
*/
}

static TQString invitationHeaderEvent( Event *event, Incidence *existingIncidence,
                                      ScheduleMessage *msg, const TQString &sender )
{
  if ( !msg || !event )
    return TQString();

  switch ( msg->method() ) {
  case Scheduler::Publish:
    return i18n( "This invitation has been published" );
  case Scheduler::Request:
    if ( existingIncidence && event->revision() > 0 ) {
      return i18n( "This invitation has been updated by the organizer %1" ).
        tqarg( event->organizer().fullName() );
    }
    if ( iamOrganizer( event ) ) {
      return i18n( "I created this invitation" );
    } else {
      TQString orgStr;
      if ( !event->organizer().fullName().isEmpty() ) {
        orgStr = event->organizer().fullName();
      } else if ( !event->organizer().email().isEmpty() ) {
        orgStr = event->organizer().email();
      }
      if ( senderIsOrganizer( event, sender ) ) {
        if ( !orgStr.isEmpty() ) {
          return i18n( "You received an invitation from %1" ).tqarg( orgStr );
        } else {
          return i18n( "You received an invitation" );
        }
      } else {
        if ( !orgStr.isEmpty() ) {
          return i18n( "You received an invitation from %1 as a representative of %2" ).
            tqarg( sender, orgStr );
        } else {
          return i18n( "You received an invitation from %1 as the organizer's representative" ).
            tqarg( sender );
        }
      }
    }
  case Scheduler::Refresh:
    return i18n( "This invitation was refreshed" );
  case Scheduler::Cancel:
    return i18n( "This invitation has been canceled" );
  case Scheduler::Add:
    return i18n( "Addition to the invitation" );
  case Scheduler::Reply:
  {
    if ( replyMeansCounter( event ) ) {
      return i18n( "%1 makes this counter proposal" ).
        tqarg( firstAttendeeName( event, i18n( "Sender" ) ) );
    }

    Attendee::List attendees = event->attendees();
    if( attendees.count() == 0 ) {
      kdDebug(5850) << "No attendees in the iCal reply!" << endl;
      return TQString();
    }
    if( attendees.count() != 1 ) {
      kdDebug(5850) << "Warning: attendeecount in the reply should be 1 "
                    << "but is " << attendees.count() << endl;
    }
    TQString attendeeName = firstAttendeeName( event, i18n( "Sender" ) );

    TQString delegatorName, dummy;
    Attendee* attendee = *attendees.begin();
    KPIM::getNameAndMail( attendee->delegator(), delegatorName, dummy );
    if ( delegatorName.isEmpty() ) {
      delegatorName = attendee->delegator();
    }

    switch( attendee->status() ) {
    case Attendee::NeedsAction:
      return i18n( "%1 indicates this invitation still needs some action" ).tqarg( attendeeName );
    case Attendee::Accepted:
      if ( event->revision() > 0 ) {
        if ( !sender.isEmpty() ) {
          return i18n( "This invitation has been updated by attendee %1" ).tqarg( sender );
        } else {
          return i18n( "This invitation has been updated by an attendee" );
        }
      } else {
        if ( delegatorName.isEmpty() ) {
          return i18n( "%1 accepts this invitation" ).tqarg( attendeeName );
        } else {
          return i18n( "%1 accepts this invitation on behalf of %2" ).
            tqarg( attendeeName ).tqarg( delegatorName );
        }
      }
    case Attendee::Tentative:
      if ( delegatorName.isEmpty() ) {
        return i18n( "%1 tentatively accepts this invitation" ).
          tqarg( attendeeName );
      } else {
        return i18n( "%1 tentatively accepts this invitation on behalf of %2" ).
          tqarg( attendeeName ).tqarg( delegatorName );
      }
    case Attendee::Declined:
      if ( delegatorName.isEmpty() ) {
        return i18n( "%1 declines this invitation" ).tqarg( attendeeName );
      } else {
        return i18n( "%1 declines this invitation on behalf of %2" ).
          tqarg( attendeeName ).tqarg( delegatorName );
      }
    case Attendee::Delegated: {
      TQString delegate, dummy;
      KPIM::getNameAndMail( attendee->delegate(), delegate, dummy );
      if ( delegate.isEmpty() ) {
        delegate = attendee->delegate();
      }
      if ( !delegate.isEmpty() ) {
        return i18n( "%1 has delegated this invitation to %2" ).
          tqarg( attendeeName ) .tqarg( delegate );
      } else {
        return i18n( "%1 has delegated this invitation" ).tqarg( attendeeName );
      }
    }
    case Attendee::Completed:
      return i18n( "This invitation is now completed" );
    case Attendee::InProcess:
      return i18n( "%1 is still processing the invitation" ).
        tqarg( attendeeName );
    default:
      return i18n( "Unknown response to this invitation" );
    }
    break;
  }

  case Scheduler::Counter:
    return i18n( "%1 makes this counter proposal" ).
      tqarg( firstAttendeeName( event, i18n( "Sender" ) ) );

  case Scheduler::Declinecounter:
    return i18n( "%1 declines the counter proposal" ).
      tqarg( firstAttendeeName( event, i18n( "Sender" ) ) );

  case Scheduler::NoMethod:
    return i18n("Error: iMIP message with unknown method: '%1'").
      tqarg( msg->method() );
  }
  return TQString();
}

static TQString invitationHeaderTodo( Todo *todo, Incidence *existingIncidence,
                                     ScheduleMessage *msg, const TQString &sender )
{
  if ( !msg || !todo ) {
    return TQString();
  }

  switch ( msg->method() ) {
  case Scheduler::Publish:
    return i18n("This task has been published");
  case Scheduler::Request:
    if ( existingIncidence && todo->revision() > 0 ) {
      return i18n( "This task has been updated by the organizer %1" ).
        tqarg( todo->organizer().fullName() );
    } else {
      if ( iamOrganizer( todo ) ) {
        return i18n( "I created this task" );
      } else {
        TQString orgStr;
        if ( !todo->organizer().fullName().isEmpty() ) {
          orgStr = todo->organizer().fullName();
        } else if ( !todo->organizer().email().isEmpty() ) {
          orgStr = todo->organizer().email();
        }
        if ( senderIsOrganizer( todo, sender ) ) {
          if ( !orgStr.isEmpty() ) {
            return i18n( "You have been assigned this task by %1" ).tqarg( orgStr );
          } else {
            return i18n( "You have been assigned this task" );
          }
        } else {
          if ( !orgStr.isEmpty() ) {
            return i18n( "You have been assigned this task by %1 as a representative of %2" ).
              tqarg( sender, orgStr );
          } else {
            return i18n( "You have been assigned this task by %1 as the organizer's representative" ).
              tqarg( sender );
          }
        }
      }
    }
  case Scheduler::Refresh:
    return i18n( "This task was refreshed" );
  case Scheduler::Cancel:
    return i18n( "This task was canceled" );
  case Scheduler::Add:
    return i18n( "Addition to the task" );
  case Scheduler::Reply:
  {
    if ( replyMeansCounter( todo ) ) {
      return i18n( "%1 makes this counter proposal" ).
        tqarg( firstAttendeeName( todo, i18n( "Sender" ) ) );
    }

    Attendee::List attendees = todo->attendees();
    if( attendees.count() == 0 ) {
      kdDebug(5850) << "No attendees in the iCal reply!" << endl;
      return TQString();
    }
    if( attendees.count() != 1 ) {
      kdDebug(5850) << "Warning: attendeecount in the reply should be 1 "
                    << "but is " << attendees.count() << endl;
    }
    TQString attendeeName = firstAttendeeName( todo, i18n( "Sender" ) );

    TQString delegatorName, dummy;
    Attendee* attendee = *attendees.begin();
    KPIM::getNameAndMail( attendee->delegator(), delegatorName, dummy );
    if ( delegatorName.isEmpty() ) {
      delegatorName = attendee->delegator();
    }

    switch( attendee->status() ) {
    case Attendee::NeedsAction:
      return i18n( "%1 indicates this task assignment still needs some action" ).tqarg( attendeeName );
    case Attendee::Accepted:
      if ( todo->revision() > 0 ) {
        if ( !sender.isEmpty() ) {
          if ( todo->isCompleted() ) {
            return i18n( "This task has been completed by assignee %1" ).tqarg( sender );
          } else {
            return i18n( "This task has been updated by assignee %1" ).tqarg( sender );
          }
        } else {
          if ( todo->isCompleted() ) {
            return i18n( "This task has been completed by an assignee" );
          } else {
            return i18n( "This task has been updated by an assignee" );
          }
        }
      } else {
        if ( delegatorName.isEmpty() ) {
          return i18n( "%1 accepts this task" ).tqarg( attendeeName );
        } else {
          return i18n( "%1 accepts this task on behalf of %2" ).
            tqarg( attendeeName ).tqarg( delegatorName );
        }
      }
    case Attendee::Tentative:
      if ( delegatorName.isEmpty() ) {
        return i18n( "%1 tentatively accepts this task" ).
          tqarg( attendeeName );
      } else {
        return i18n( "%1 tentatively accepts this task on behalf of %2" ).
          tqarg( attendeeName ).tqarg( delegatorName );
      }
    case Attendee::Declined:
      if ( delegatorName.isEmpty() ) {
        return i18n( "%1 declines this task" ).tqarg( attendeeName );
      } else {
        return i18n( "%1 declines this task on behalf of %2" ).
          tqarg( attendeeName ).tqarg( delegatorName );
      }
    case Attendee::Delegated: {
      TQString delegate, dummy;
      KPIM::getNameAndMail( attendee->delegate(), delegate, dummy );
      if ( delegate.isEmpty() ) {
        delegate = attendee->delegate();
      }
      if ( !delegate.isEmpty() ) {
        return i18n( "%1 has delegated this request for the task to %2" ).
          tqarg( attendeeName ).tqarg( delegate );
      } else {
        return i18n( "%1 has delegated this request for the task" ).
          tqarg( attendeeName );
      }
    }
    case Attendee::Completed:
      return i18n( "The request for this task is now completed" );
    case Attendee::InProcess:
      return i18n( "%1 is still processing the task" ).
        tqarg( attendeeName );
    default:
      return i18n( "Unknown response to this task" );
    }
    break;
  }

  case Scheduler::Counter:
    return i18n( "%1 makes this counter proposal" ).
      tqarg( firstAttendeeName( todo, i18n( "Sender" ) ) );

  case Scheduler::Declinecounter:
    return i18n( "%1 declines the counter proposal" ).
      tqarg( firstAttendeeName( todo, i18n( "Sender" ) ) );

  case Scheduler::NoMethod:
    return i18n( "Error: iMIP message with unknown method: '%1'" ).
      tqarg( msg->method() );
  }
  return TQString();
}

static TQString invitationHeaderJournal( Journal *journal, ScheduleMessage *msg )
{
  if ( !msg || !journal ) {
    return TQString();
  }

  switch ( msg->method() ) {
  case Scheduler::Publish:
    return i18n("This journal has been published");
  case Scheduler::Request:
    return i18n( "You have been assigned this journal" );
  case Scheduler::Refresh:
    return i18n( "This journal was refreshed" );
  case Scheduler::Cancel:
    return i18n( "This journal was canceled" );
  case Scheduler::Add:
    return i18n( "Addition to the journal" );
  case Scheduler::Reply:
  {
    if ( replyMeansCounter( journal ) ) {
      return i18n( "Sender makes this counter proposal" );
    }

    Attendee::List attendees = journal->attendees();
    if( attendees.count() == 0 ) {
      kdDebug(5850) << "No attendees in the iCal reply!" << endl;
      return TQString();
    }
    if( attendees.count() != 1 ) {
      kdDebug(5850) << "Warning: attendeecount in the reply should be 1 "
                    << "but is " << attendees.count() << endl;
    }
    Attendee* attendee = *attendees.begin();

    switch( attendee->status() ) {
    case Attendee::NeedsAction:
      return i18n( "Sender indicates this journal assignment still needs some action" );
    case Attendee::Accepted:
      return i18n( "Sender accepts this journal" );
    case Attendee::Tentative:
      return i18n( "Sender tentatively accepts this journal" );
    case Attendee::Declined:
      return i18n( "Sender declines this journal" );
    case Attendee::Delegated:
      return i18n( "Sender has delegated this request for the journal" );
    case Attendee::Completed:
      return i18n( "The request for this journal is now completed" );
    case Attendee::InProcess:
      return i18n( "Sender is still processing the invitation" );
    default:
      return i18n( "Unknown response to this journal" );
    }
    break;
  }
  case Scheduler::Counter:
    return i18n( "Sender makes this counter proposal" );
  case Scheduler::Declinecounter:
    return i18n( "Sender declines the counter proposal" );
  case Scheduler::NoMethod:
    return i18n("Error: iMIP message with unknown method: '%1'").
      tqarg( msg->method() );
  }
  return TQString();
}

static TQString invitationHeaderFreeBusy( FreeBusy *fb, ScheduleMessage *msg )
{
  if ( !msg || !fb ) {
    return TQString();
  }

  switch ( msg->method() ) {
  case Scheduler::Publish:
    return i18n("This free/busy list has been published");
  case Scheduler::Request:
    return i18n( "The free/busy list has been requested" );
  case Scheduler::Refresh:
    return i18n( "This free/busy list was refreshed" );
  case Scheduler::Cancel:
    return i18n( "This free/busy list was canceled" );
  case Scheduler::Add:
    return i18n( "Addition to the free/busy list" );
  case Scheduler::NoMethod:
  default:
    return i18n("Error: Free/Busy iMIP message with unknown method: '%1'").
      tqarg( msg->method() );
  }
}

static TQString invitationAttendees( Incidence *incidence )
{
  TQString tmpStr;
  if ( !incidence ) {
    return tmpStr;
  }

  if ( incidence->type() == "Todo" ) {
    tmpStr += htmlAddTag( "u", i18n( "Assignees" ) );
  } else {
    tmpStr += htmlAddTag( "u", i18n( "Attendees" ) );
  }
  tmpStr += "<br/>";

  int count=0;
  Attendee::List attendees = incidence->attendees();
  if ( !attendees.isEmpty() ) {

    Attendee::List::ConstIterator it;
    for( it = attendees.begin(); it != attendees.end(); ++it ) {
      Attendee *a = *it;
      if ( !iamAttendee( a ) ) {
        count++;
        if ( count == 1 ) {
          tmpStr += "<table border=\"1\" cellpadding=\"1\" cellspacing=\"0\" columns=\"2\">";
        }
        tmpStr += "<tr>";
        tmpStr += "<td>";
        tmpStr += invitationPerson( a->email(), a->name(), TQString() );
        if ( !a->delegator().isEmpty() ) {
          tmpStr += i18n(" (delegated by %1)" ).tqarg( a->delegator() );
        }
        if ( !a->delegate().isEmpty() ) {
          tmpStr += i18n(" (delegated to %1)" ).tqarg( a->delegate() );
        }
        tmpStr += "</td>";
        tmpStr += "<td>" + a->statusStr() + "</td>";
        tmpStr += "</tr>";
      }
    }
  }
  if ( count ) {
    tmpStr += "</table>";
  } else {
    tmpStr += "<i>" + i18n( "No attendee", "None" ) + "</i>";
  }

  return tmpStr;
}

static TQString invitationAttachments( InvitationFormatterHelper *helper, Incidence *incidence )
{
  TQString tmpStr;
  if ( !incidence ) {
    return tmpStr;
  }

  Attachment::List attachments = incidence->attachments();
  if ( !attachments.isEmpty() ) {
    tmpStr += i18n( "Attached Documents:" ) + "<ol>";

    Attachment::List::ConstIterator it;
    for( it = attachments.begin(); it != attachments.end(); ++it ) {
      Attachment *a = *it;
      tmpStr += "<li>";
      // Attachment icon
      KMimeType::Ptr mimeType = KMimeType::mimeType( a->mimeType() );
      const TQString iconStr = mimeType ? mimeType->icon( a->uri(), false ) : TQString( "application-octet-stream" );
      const TQString iconPath = KGlobal::iconLoader()->iconPath( iconStr, KIcon::Small );
      if ( !iconPath.isEmpty() ) {
        tmpStr += "<img valign=\"top\" src=\"" + iconPath + "\">";
      }
      tmpStr += helper->makeLink( "ATTACH:" + a->label(), a->label() );
      tmpStr += "</li>";
    }
    tmpStr += "</ol>";
  }

  return tmpStr;
}

class IncidenceFormatter::ScheduleMessageVisitor
  : public IncidenceBase::Visitor
{
  public:
    ScheduleMessageVisitor() : mExistingIncidence( 0 ), mMessage( 0 ) { mResult = ""; }
    bool act( IncidenceBase *incidence, Incidence *existingIncidence, ScheduleMessage *msg,
              const TQString &sender )
    {
      mExistingIncidence = existingIncidence;
      mMessage = msg;
      mSender = sender;
      return incidence->accept( *this );
    }
    TQString result() const { return mResult; }

  protected:
    TQString mResult;
    Incidence *mExistingIncidence;
    ScheduleMessage *mMessage;
    TQString mSender;
};

class IncidenceFormatter::InvitationHeaderVisitor
  : public IncidenceFormatter::ScheduleMessageVisitor
{
  protected:
    bool visit( Event *event )
    {
      mResult = invitationHeaderEvent( event, mExistingIncidence, mMessage, mSender );
      return !mResult.isEmpty();
    }
    bool visit( Todo *todo )
    {
      mResult = invitationHeaderTodo( todo, mExistingIncidence, mMessage, mSender );
      return !mResult.isEmpty();
    }
    bool visit( Journal *journal )
    {
      mResult = invitationHeaderJournal( journal, mMessage );
      return !mResult.isEmpty();
    }
    bool visit( FreeBusy *fb )
    {
      mResult = invitationHeaderFreeBusy( fb, mMessage );
      return !mResult.isEmpty();
    }
};

class IncidenceFormatter::InvitationBodyVisitor
  : public IncidenceFormatter::ScheduleMessageVisitor
{
  public:
    InvitationBodyVisitor( bool noHtmlMode )
      : ScheduleMessageVisitor(), mNoHtmlMode( noHtmlMode ) {}

  protected:
    bool visit( Event *event )
    {
      mResult = invitationDetailsEvent( event, mNoHtmlMode );
      return !mResult.isEmpty();
    }
    bool visit( Todo *todo )
    {
      mResult = invitationDetailsTodo( todo, mNoHtmlMode );
      return !mResult.isEmpty();
    }
    bool visit( Journal *journal )
    {
      mResult = invitationDetailsJournal( journal, mNoHtmlMode );
      return !mResult.isEmpty();
    }
    bool visit( FreeBusy *fb )
    {
      mResult = invitationDetailsFreeBusy( fb, mNoHtmlMode );
      return !mResult.isEmpty();
    }

  private:
    bool mNoHtmlMode;
};

class IncidenceFormatter::IncidenceCompareVisitor
  : public IncidenceBase::Visitor
{
  public:
    IncidenceCompareVisitor() : mExistingIncidence(0) {}
    bool act( IncidenceBase *incidence, Incidence *existingIncidence, int method )
    {
      Incidence *inc = dynamic_cast<Incidence*>( incidence );
      if ( !inc || !existingIncidence || inc->revision() <= existingIncidence->revision() )
        return false;
      mExistingIncidence = existingIncidence;
      mMethod = method;
      return incidence->accept( *this );
    }

    TQString result() const
    {
      if ( mChanges.isEmpty() ) {
        return TQString();
      }
      TQString html = "<div align=\"left\"><ul><li>";
      html += mChanges.join( "</li><li>" );
      html += "</li><ul></div>";
      return html;
    }

  protected:
    bool visit( Event *event )
    {
      compareEvents( event, dynamic_cast<Event*>( mExistingIncidence ) );
      compareIncidences( event, mExistingIncidence, mMethod );
      return !mChanges.isEmpty();
    }
    bool visit( Todo *todo )
    {
      compareTodos( todo, dynamic_cast<Todo*>( mExistingIncidence ) );
      compareIncidences( todo, mExistingIncidence, mMethod );
      return !mChanges.isEmpty();
    }
    bool visit( Journal *journal )
    {
      compareIncidences( journal, mExistingIncidence, mMethod );
      return !mChanges.isEmpty();
    }
    bool visit( FreeBusy *fb )
    {
      Q_UNUSED( fb );
      return !mChanges.isEmpty();
    }

  private:
    void compareEvents( Event *newEvent, Event *oldEvent )
    {
      if ( !oldEvent || !newEvent )
        return;
      if ( oldEvent->dtStart() != newEvent->dtStart() || oldEvent->doesFloat() != newEvent->doesFloat() )
        mChanges += i18n( "The invitation starting time has been changed from %1 to %2" )
                    .tqarg( eventStartTimeStr( oldEvent ) ).tqarg( eventStartTimeStr( newEvent ) );
      if ( oldEvent->dtEnd() != newEvent->dtEnd() || oldEvent->doesFloat() != newEvent->doesFloat() )
        mChanges += i18n( "The invitation ending time has been changed from %1 to %2" )
                    .tqarg( eventEndTimeStr( oldEvent ) ).tqarg( eventEndTimeStr( newEvent ) );
    }

    void compareTodos( Todo *newTodo, Todo *oldTodo )
    {
      if ( !oldTodo || !newTodo ) {
        return;
      }

      if ( !oldTodo->isCompleted() && newTodo->isCompleted() ) {
        mChanges += i18n( "The task has been completed" );
      }
      if ( oldTodo->isCompleted() && !newTodo->isCompleted() ) {
        mChanges += i18n( "The task is no longer completed" );
      }
      if ( oldTodo->percentComplete() != newTodo->percentComplete() ) {
        const TQString oldPer = i18n( "%1%" ).tqarg( oldTodo->percentComplete() );
        const TQString newPer = i18n( "%1%" ).tqarg( newTodo->percentComplete() );
        mChanges += i18n( "The task completed percentage has changed from %1 to %2" ).
                    tqarg( oldPer, newPer );
      }

      if ( !oldTodo->hasStartDate() && newTodo->hasStartDate() ) {
        mChanges += i18n( "A task starting time has been added" );
      }
      if ( oldTodo->hasStartDate() && !newTodo->hasStartDate() ) {
        mChanges += i18n( "The task starting time has been removed" );
      }
      if ( oldTodo->hasStartDate() && newTodo->hasStartDate() &&
           oldTodo->dtStart() != newTodo->dtStart() ) {
        mChanges += i18n( "The task starting time has been changed from %1 to %2" ).
                    tqarg( dateTimeToString( oldTodo->dtStart(), oldTodo->doesFloat(), false ),
                         dateTimeToString( newTodo->dtStart(), newTodo->doesFloat(), false ) );
      }

      if ( !oldTodo->hasDueDate() && newTodo->hasDueDate() ) {
        mChanges += i18n( "A task due time has been added" );
      }
      if ( oldTodo->hasDueDate() && !newTodo->hasDueDate() ) {
        mChanges += i18n( "The task due time has been removed" );
      }
      if ( oldTodo->hasDueDate() && newTodo->hasDueDate() &&
           oldTodo->dtDue() != newTodo->dtDue() ) {
        mChanges += i18n( "The task due time has been changed from %1 to %2" ).
                    tqarg( dateTimeToString( oldTodo->dtDue(), oldTodo->doesFloat(), false ),
                         dateTimeToString( newTodo->dtDue(), newTodo->doesFloat(), false ) );
      }
    }

    void compareIncidences( Incidence *newInc, Incidence *oldInc, int method )
    {
      if ( !oldInc || !newInc )
        return;
      if ( oldInc->summary() != newInc->summary() )
        mChanges += i18n( "The summary has been changed to: \"%1\"" ).tqarg( newInc->summary() );
      if ( oldInc->location() != newInc->location() )
        mChanges += i18n( "The location has been changed to: \"%1\"" ).tqarg( newInc->location() );
      if ( oldInc->description() != newInc->description() )
        mChanges += i18n( "The description has been changed to: \"%1\"" ).tqarg( newInc->description() );
      Attendee::List oldAttendees = oldInc->attendees();
      Attendee::List newAttendees = newInc->attendees();
      for ( Attendee::List::ConstIterator it = newAttendees.constBegin();
            it != newAttendees.constEnd(); ++it ) {
        Attendee *oldAtt = oldInc->attendeeByMail( (*it)->email() );
        if ( !oldAtt ) {
          mChanges += i18n( "Attendee %1 has been added" ).tqarg( (*it)->fullName() );
        } else {
          if ( oldAtt->status() != (*it)->status() )
            mChanges += i18n( "The status of attendee %1 has been changed to: %2" ).
                        tqarg( (*it)->fullName() ).tqarg( (*it)->statusStr() );
        }
      }
      if ( method == Scheduler::Request ) {
        for ( Attendee::List::ConstIterator it = oldAttendees.constBegin();
              it != oldAttendees.constEnd(); ++it ) {
          if ( (*it)->email() != oldInc->organizer().email() ) {
            Attendee *newAtt = newInc->attendeeByMail( (*it)->email() );
            if ( !newAtt ) {
              mChanges += i18n( "Attendee %1 has been removed" ).tqarg( (*it)->fullName() );
            }
          }
        }
      }
    }

  private:
    Incidence *mExistingIncidence;
    int mMethod;
    TQStringList mChanges;
};


TQString InvitationFormatterHelper::makeLink( const TQString &id, const TQString &text )
{
  if ( !id.startsWith( "ATTACH:" ) ) {
    TQString res = TQString( "<a href=\"%1\"><b>%2</b></a>" ).
                  tqarg( generateLinkURL( id ), text );
    return res;
  } else {
    // draw the attachment links in non-bold face
    TQString res = TQString( "<a href=\"%1\">%2</a>" ).
                  tqarg( generateLinkURL( id ), text );
    return res;
  }
}

// Check if the given incidence is likely one that we own instead one from
// a shared calendar (Kolab-specific)
static bool incidenceOwnedByMe( Calendar *calendar, Incidence *incidence )
{
  CalendarResources *cal = dynamic_cast<CalendarResources*>( calendar );
  if ( !cal || !incidence ) {
    return true;
  }
  ResourceCalendar *res = cal->resource( incidence );
  if ( !res ) {
    return true;
  }
  const TQString subRes = res->subresourceIdentifier( incidence );
  if ( !subRes.contains( "/.INBOX.directory/" ) ) {
    return false;
  }
  return true;
}

// The spacer for the invitation buttons
static TQString spacer = "<td> &nbsp; </td>";
// The open & close table cell tags for the invitation buttons
static TQString tdOpen = "<td>";
static TQString tdClose = "</td>" + spacer;

static TQString responseButtons( Incidence *inc, bool rsvpReq, bool rsvpRec,
                                InvitationFormatterHelper *helper )
{
  TQString html;
  if ( !helper ) {
    return html;
  }

  if ( !rsvpReq && ( inc && inc->revision() == 0 ) ) {
    // Record only
    html += tdOpen;
    html += helper->makeLink( "record", i18n( "[Record]" ) );
    html += tdClose;

    // Move to trash
    html += tdOpen;
    html += helper->makeLink( "delete", i18n( "[Move to Trash]" ) );
    html += tdClose;

  } else {

    // Accept
    html += tdOpen;
    html += helper->makeLink( "accept", i18n( "[Accept]" ) );
    html += tdClose;

    // Tentative
    html += tdOpen;
    html += helper->makeLink( "accept_conditionally",
                              i18n( "Accept conditionally", "[Accept cond.]" ) );
    html += tdClose;

    // Counter proposal
    html += tdOpen;
    html += helper->makeLink( "counter", i18n( "[Counter proposal]" ) );
    html += tdClose;

    // Decline
    html += tdOpen;
    html += helper->makeLink( "decline", i18n( "[Decline]" ) );
    html += tdClose;
  }

  if ( !rsvpRec || ( inc && inc->revision() > 0 ) ) {
    // Delegate
    html += tdOpen;
    html += helper->makeLink( "delegate", i18n( "[Delegate]" ) );
    html += tdClose;

    // Forward
    html += tdOpen;
    html += helper->makeLink( "forward", i18n( "[Forward]" ) );
    html += tdClose;

    // Check calendar
    if ( inc && inc->type() == "Event" ) {
      html += tdOpen;
      html += helper->makeLink( "check_calendar", i18n("[Check my calendar]" ) );
      html += tdClose;
    }
  }
  return html;
}

static TQString counterButtons( Incidence *incidence,
                               InvitationFormatterHelper *helper )
{
  TQString html;
  if ( !helper ) {
    return html;
  }

  // Accept proposal
  html += tdOpen;
  html += helper->makeLink( "accept_counter", i18n("[Accept]") );
  html += tdClose;

  // Decline proposal
  html += tdOpen;
  html += helper->makeLink( "decline_counter", i18n("[Decline]") );
  html += tdClose;

  // Check calendar
  if ( incidence && incidence->type() == "Event" ) {
    html += tdOpen;
    html += helper->makeLink( "check_calendar", i18n("[Check my calendar]" ) );
    html += tdClose;
  }
  return html;
}

TQString IncidenceFormatter::formatICalInvitationHelper( TQString invitation,
                                                        Calendar *mCalendar,
                                                        InvitationFormatterHelper *helper,
                                                        bool noHtmlMode,
                                                        const TQString &sender )
{
  if ( invitation.isEmpty() ) {
    return TQString();
  }

  ICalFormat format;
  // parseScheduleMessage takes the tz from the calendar, no need to set it manually here for the format!
  ScheduleMessage *msg = format.parseScheduleMessage( mCalendar, invitation );

  if( !msg ) {
    kdDebug( 5850 ) << "Failed to parse the scheduling message" << endl;
    Q_ASSERT( format.exception() );
    kdDebug( 5850 ) << format.exception()->message() << endl;
    return TQString();
  }

  IncidenceBase *incBase = msg->event();

  // Determine if this incidence is in my calendar (and owned by me)
  Incidence *existingIncidence = 0;
  if ( incBase && helper->calendar() ) {
    existingIncidence = helper->calendar()->incidence( incBase->uid() );
    if ( !incidenceOwnedByMe( helper->calendar(), existingIncidence ) ) {
      existingIncidence = 0;
    }
    if ( !existingIncidence ) {
      const Incidence::List list = helper->calendar()->incidences();
      for ( Incidence::List::ConstIterator it = list.begin(), end = list.end(); it != end; ++it ) {
        if ( (*it)->schedulingID() == incBase->uid() &&
             incidenceOwnedByMe( helper->calendar(), *it ) ) {
          existingIncidence = *it;
          break;
        }
      }
    }
  }

  // First make the text of the message
  TQString html;

  TQString tableStyle = TQString::tqfromLatin1(
    "style=\"border: solid 1px; margin: 0em;\"" );
  TQString tableHead = TQString::tqfromLatin1(
    "<div align=\"center\">"
    "<table width=\"80%\" cellpadding=\"1\" cellspacing=\"0\" %1>"
    "<tr><td>").tqarg(tableStyle);

  html += tableHead;
  InvitationHeaderVisitor headerVisitor;
  // The InvitationHeaderVisitor returns false if the incidence is somehow invalid, or not handled
  if ( !headerVisitor.act( incBase, existingIncidence, msg, sender ) )
    return TQString();
  html += "<b>" + headerVisitor.result() + "</b>";

  InvitationBodyVisitor bodyVisitor( noHtmlMode );
  if ( !bodyVisitor.act( incBase, existingIncidence, msg, sender ) )
    return TQString();
  html += bodyVisitor.result();

  if ( msg->method() == Scheduler::Request ) {
    IncidenceCompareVisitor compareVisitor;
    if ( compareVisitor.act( incBase, existingIncidence, msg->method() ) ) {
      html += "<p align=\"left\">";
      html += i18n( "The following changes have been made by the organizer:" );
      html += "</p>";
      html += compareVisitor.result();
    }
  }
  if ( msg->method() == Scheduler::Reply ) {
    IncidenceCompareVisitor compareVisitor;
    if ( compareVisitor.act( incBase, existingIncidence, msg->method() ) ) {
      html += "<p align=\"left\">";
      if ( !sender.isEmpty() ) {
        html += i18n( "The following changes have been made by %1:" ).tqarg( sender );
      } else {
        html += i18n( "The following changes have been made by an attendee:" );
      }
      html += "</p>";
      html += compareVisitor.result();
    }
  }

  Incidence *inc = dynamic_cast<Incidence*>( incBase );

  // determine if I am the organizer for this invitation
  bool myInc = iamOrganizer( inc );

  // determine if the invitation response has already been recorded
  bool rsvpRec = false;
  Attendee *ea = 0;
  if ( !myInc ) {
    Incidence *rsvpIncidence = existingIncidence;
    if ( !rsvpIncidence && inc && inc->revision() > 0 ) {
      rsvpIncidence = inc;
    }
    if ( rsvpIncidence ) {
      ea = findMyAttendee( rsvpIncidence );
    }
    if ( ea &&
         ( ea->status() == Attendee::Accepted ||
           ea->status() == Attendee::Declined ||
           ea->status() == Attendee::Tentative ) ) {
      rsvpRec = true;
    }
  }

  // determine invitation role
  TQString role;
  bool isDelegated = false;
  Attendee *a = findMyAttendee( inc );
  if ( !a && inc ) {
    if ( !inc->attendees().isEmpty() ) {
      a = inc->attendees().first();
    }
  }
  if ( a ) {
    isDelegated = ( a->status() == Attendee::Delegated );
    role = Attendee::roleName( a->role() );
  }

  // determine if RSVP needed, not-needed, or response already recorded
  bool rsvpReq = rsvpRequested( inc );
  if ( !myInc && a ) {
    html += "<br/>";
    html += "<i><u>";
    if ( rsvpRec && inc ) {
      if ( inc->revision() == 0 ) {
        html += i18n( "Your <b>%1</b> response has already been recorded" ).
                tqarg( ea->statusStr() );
      } else {
        html += i18n( "Your status for this invitation is <b>%1</b>" ).
                tqarg( ea->statusStr() );
      }
      rsvpReq = false;
    } else if ( msg->method() == Scheduler::Cancel ) {
      html += i18n( "This invitation was declined" );
    } else if ( msg->method() == Scheduler::Add ) {
      html += i18n( "This invitation was accepted" );
    } else {
      if ( !isDelegated ) {
        html += rsvpRequestedStr( rsvpReq, role );
      } else {
        html += i18n( "Awaiting delegation response" );
      }
    }
    html += "</u></i>";
  }

  // Print if the organizer gave you a preset status
  if ( !myInc ) {
    if ( inc && inc->revision() == 0 ) {
      TQString statStr = myStatusStr( inc );
      if ( !statStr.isEmpty() ) {
        html += "<br/>";
        html += "<i>";
        html += statStr;
        html += "</i>";
      }
    }
  }

  // Add groupware links

  html += "<br><table border=\"0\" cellspacing=\"0\"><tr><td>&nbsp;</td></tr>";

  switch ( msg->method() ) {
    case Scheduler::Publish:
    case Scheduler::Request:
    case Scheduler::Refresh:
    case Scheduler::Add:
    {
      if ( inc && inc->revision() > 0 && ( existingIncidence || !helper->calendar() ) ) {
        html += "<tr>";
        if ( inc->type() == "Todo" ) {
          html += "<td colspan=\"9\">";
          html += helper->makeLink( "reply", i18n( "[Record invitation in my task list]" ) );
        } else {
          html += "<td colspan=\"13\">";
          html += helper->makeLink( "reply", i18n( "[Record invitation in my calendar]" ) );
        }
        html += "</td></tr>";
      }

      if ( !myInc && a ) {
        html += "<tr>" + responseButtons( inc, rsvpReq, rsvpRec, helper ) + "</tr>";
      }
      break;
    }

    case Scheduler::Cancel:
      // Remove invitation
      if ( inc ) {
        html += "<tr>";
        if ( inc->type() == "Todo" ) {
          html += "<td colspan=\"9\">";
          html += helper->makeLink( "cancel", i18n( "[Remove invitation from my task list]" ) );
        } else {
          html += "<td colspan=\"13\">";
          html += helper->makeLink( "cancel", i18n( "[Remove invitation from my calendar]" ) );
        }
        html += "</td></tr>";
      }
      break;

    case Scheduler::Reply:
    {
      // Record invitation response
      Attendee *a = 0;
      Attendee *ea = 0;
      if ( inc ) {
        // First, determine if this reply is really a counter in disguise.
        if ( replyMeansCounter( inc ) ) {
          html += "<tr>" + counterButtons( inc, helper ) + "</tr>";
          break;
        }

        // Next, maybe this is a declined reply that was delegated from me?
        // find first attendee who is delegated-from me
        // look a their PARTSTAT response, if the response is declined,
        // then we need to start over which means putting all the action
        // buttons and NOT putting on the [Record response..] button
        a = findDelegatedFromMyAttendee( inc );
        if ( a ) {
          if ( a->status() != Attendee::Accepted ||
               a->status() != Attendee::Tentative ) {
            html += "<tr>" + responseButtons( inc, rsvpReq, rsvpRec, helper ) + "</tr>";
            break;
          }
        }

        // Finally, simply allow a Record of the reply
        if ( !inc->attendees().isEmpty() ) {
          a = inc->attendees().first();
        }
        if ( a ) {
          ea = findAttendee( existingIncidence, a->email() );
        }
      }
      if ( ea && ( ea->status() != Attendee::NeedsAction ) && ( ea->status() == a->status() ) ) {
        if ( inc && inc->revision() > 0 ) {
          html += "<br><u><i>";
          html += i18n( "The response has been recorded [%1]" ).tqarg( ea->statusStr() );
          html += "</i></u>";
        }
      } else {
        if ( inc ) {
          html += "<tr><td>";
          if ( inc->type() == "Todo" ) {
            html += helper->makeLink( "reply", i18n( "[Record response in my task list]" ) );
          } else {
            html += helper->makeLink( "reply", i18n( "[Record response in my calendar]" ) );
          }
          html += "</td></tr>";
        }
      }
      break;
    }

    case Scheduler::Counter:
      // Counter proposal
      html += "<tr>" + counterButtons( inc, helper ) + "</tr>";
      break;

    case Scheduler::Declinecounter:
    case Scheduler::NoMethod:
      break;
  }

  // close the groupware table
  html += "</td></tr></table>";

  // Add the attendee list if I am the organizer
  if ( myInc && helper->calendar() ) {
    html += invitationAttendees( helper->calendar()->incidence( inc->uid() ) );
  }

  // close the top-level table
  html += "</td></tr></table><br></div>";

  // Add the attachment list
  html += invitationAttachments( helper, inc );

  return html;
}

TQString IncidenceFormatter::formatICalInvitation( TQString invitation,
                                                  Calendar *mCalendar,
                                                  InvitationFormatterHelper *helper )
{
  return formatICalInvitationHelper( invitation, mCalendar, helper, false, TQString() );
}

TQString IncidenceFormatter::formatICalInvitationNoHtml( TQString invitation,
                                                        Calendar *mCalendar,
                                                        InvitationFormatterHelper *helper )
{
  return formatICalInvitationHelper( invitation, mCalendar, helper, true, TQString() );
}

TQString IncidenceFormatter::formatICalInvitationNoHtml( TQString invitation,
                                                        Calendar *mCalendar,
                                                        InvitationFormatterHelper *helper,
                                                        const TQString &sender )
{
  return formatICalInvitationHelper( invitation, mCalendar, helper, true, sender );
}


/*******************************************************************
 *  Helper functions for the msTNEF -> VPart converter
 *******************************************************************/


//-----------------------------------------------------------------------------

static TQString stringProp( KTNEFMessage* tnefMsg, const TQ_UINT32& key,
                           const TQString& fallback = TQString())
{
  return tnefMsg->findProp( key < 0x10000 ? key & 0xFFFF : key >> 16,
                            fallback );
}

static TQString sNamedProp( KTNEFMessage* tnefMsg, const TQString& name,
                           const TQString& fallback = TQString() )
{
  return tnefMsg->findNamedProp( name, fallback );
}

struct save_tz { char* old_tz; char* tz_env_str; };

/* temporarily go to a different timezone */
static struct save_tz set_tz( const char* _tc )
{
  const char *tc = _tc?_tc:"UTC";

  struct save_tz rv;

  rv.old_tz = 0;
  rv.tz_env_str = 0;

  //kdDebug(5006) << "set_tz(), timezone before = " << timezone << endl;

  char* tz_env = 0;
  if( getenv( "TZ" ) ) {
    tz_env = strdup( getenv( "TZ" ) );
    rv.old_tz = tz_env;
  }
  char* tmp_env = (char*)malloc( strlen( tc ) + 4 );
  strcpy( tmp_env, "TZ=" );
  strcpy( tmp_env+3, tc );
  putenv( tmp_env );

  rv.tz_env_str = tmp_env;

  /* tmp_env is not free'ed -- it is part of the environment */

  tzset();
  //kdDebug(5006) << "set_tz(), timezone after = " << timezone << endl;

  return rv;
}

/* restore previous timezone */
static void unset_tz( struct save_tz old_tz )
{
  if( old_tz.old_tz ) {
    char* tmp_env = (char*)malloc( strlen( old_tz.old_tz ) + 4 );
    strcpy( tmp_env, "TZ=" );
    strcpy( tmp_env+3, old_tz.old_tz );
    putenv( tmp_env );
    /* tmp_env is not free'ed -- it is part of the environment */
    free( old_tz.old_tz );
  } else {
    /* clear TZ from env */
    putenv( strdup("TZ") );
  }
  tzset();

  /* is this OK? */
  if( old_tz.tz_env_str ) free( old_tz.tz_env_str );
}

static TQDateTime utc2Local( const TQDateTime& utcdt )
{
  struct tm tmL;

  save_tz tmp_tz = set_tz("UTC");
  time_t utc = utcdt.toTime_t();
  unset_tz( tmp_tz );

  localtime_r( &utc, &tmL );
  return TQDateTime( TQDate( tmL.tm_year+1900, tmL.tm_mon+1, tmL.tm_mday ),
                    TQTime( tmL.tm_hour, tmL.tm_min, tmL.tm_sec ) );
}


static TQDateTime pureISOToLocalTQDateTime( const TQString& dtStr,
                                          bool bDateOnly = false )
{
  TQDate tmpDate;
  TQTime tmpTime;
  int year, month, day, hour, minute, second;

  if( bDateOnly ) {
    year = dtStr.left( 4 ).toInt();
    month = dtStr.mid( 4, 2 ).toInt();
    day = dtStr.mid( 6, 2 ).toInt();
    hour = 0;
    minute = 0;
    second = 0;
  } else {
    year = dtStr.left( 4 ).toInt();
    month = dtStr.mid( 4, 2 ).toInt();
    day = dtStr.mid( 6, 2 ).toInt();
    hour = dtStr.mid( 9, 2 ).toInt();
    minute = dtStr.mid( 11, 2 ).toInt();
    second = dtStr.mid( 13, 2 ).toInt();
  }
  tmpDate.setYMD( year, month, day );
  tmpTime.setHMS( hour, minute, second );

  if( tmpDate.isValid() && tmpTime.isValid() ) {
    TQDateTime dT = TQDateTime( tmpDate, tmpTime );

    if( !bDateOnly ) {
      // correct for GMT ( == Zulu time == UTC )
      if (dtStr.at(dtStr.length()-1) == 'Z') {
        //dT = dT.addSecs( 60 * KRFCDate::localUTCOffset() );
        //localUTCOffset( dT ) );
        dT = utc2Local( dT );
      }
    }
    return dT;
  } else
    return TQDateTime();
}



TQString IncidenceFormatter::msTNEFToVPart( const TQByteArray& tnef )
{
  bool bOk = false;

  KTNEFParser parser;
  TQBuffer buf( tnef );
  CalendarLocal cal ( TQString::tqfromLatin1( "UTC" ) );
  KABC::Addressee addressee;
  KABC::VCardConverter cardConv;
  ICalFormat calFormat;
  Event* event = new Event();

  if( parser.openDevice( &TQT_TQIODEVICE_OBJECT(buf) ) ) {
    KTNEFMessage* tnefMsg = parser.message();
    //TQMap<int,KTNEFProperty*> props = parser.message()->properties();

    // Everything depends from property PR_MESSAGE_CLASS
    // (this is added by KTNEFParser):
    TQString msgClass = tnefMsg->findProp( 0x001A, TQString(), true )
      .upper();
    if( !msgClass.isEmpty() ) {
      // Match the old class names that might be used by Outlook for
      // compatibility with Microsoft Mail for Windows for Workgroups 3.1.
      bool bCompatClassAppointment = false;
      bool bCompatMethodRequest = false;
      bool bCompatMethodCancled = false;
      bool bCompatMethodAccepted = false;
      bool bCompatMethodAcceptedCond = false;
      bool bCompatMethodDeclined = false;
      if( msgClass.startsWith( "IPM.MICROSOFT SCHEDULE." ) ) {
        bCompatClassAppointment = true;
        if( msgClass.endsWith( ".MTGREQ" ) )
          bCompatMethodRequest = true;
        if( msgClass.endsWith( ".MTGCNCL" ) )
          bCompatMethodCancled = true;
        if( msgClass.endsWith( ".MTGRESPP" ) )
          bCompatMethodAccepted = true;
        if( msgClass.endsWith( ".MTGRESPA" ) )
          bCompatMethodAcceptedCond = true;
        if( msgClass.endsWith( ".MTGRESPN" ) )
          bCompatMethodDeclined = true;
      }
      bool bCompatClassNote = ( msgClass == "IPM.MICROSOFT MAIL.NOTE" );

      if( bCompatClassAppointment || "IPM.APPOINTMENT" == msgClass ) {
        // Compose a vCal
        bool bIsReply = false;
        TQString prodID = "-//Microsoft Corporation//Outlook ";
        prodID += tnefMsg->findNamedProp( "0x8554", "9.0" );
        prodID += "MIMEDIR/EN\n";
        prodID += "VERSION:2.0\n";
        calFormat.setApplication( "Outlook", prodID );

        Scheduler::Method method;
        if( bCompatMethodRequest )
          method = Scheduler::Request;
        else if( bCompatMethodCancled )
          method = Scheduler::Cancel;
        else if( bCompatMethodAccepted || bCompatMethodAcceptedCond ||
                 bCompatMethodDeclined ) {
          method = Scheduler::Reply;
          bIsReply = true;
        } else {
          // pending(khz): verify whether "0x0c17" is the right tag ???
          //
          // at the moment we think there are REQUESTS and UPDATES
          //
          // but WHAT ABOUT REPLIES ???
          //
          //

          if( tnefMsg->findProp(0x0c17) == "1" )
            bIsReply = true;
          method = Scheduler::Request;
        }

        /// ###  FIXME Need to get this attribute written
        ScheduleMessage schedMsg(event, method, ScheduleMessage::Unknown );

        TQString sSenderSearchKeyEmail( tnefMsg->findProp( 0x0C1D ) );

        if( !sSenderSearchKeyEmail.isEmpty() ) {
          int colon = sSenderSearchKeyEmail.find( ':' );
          // May be e.g. "SMTP:KHZ@KDE.ORG"
          if( sSenderSearchKeyEmail.find( ':' ) == -1 )
            sSenderSearchKeyEmail.remove( 0, colon+1 );
        }

        TQString s( tnefMsg->findProp( 0x0e04 ) );
        TQStringList attendees = TQStringList::split( ';', s );
        if( attendees.count() ) {
          for( TQStringList::Iterator it = attendees.begin();
               it != attendees.end(); ++it ) {
            // Skip all entries that have no '@' since these are
            // no mail addresses
            if( (*it).find('@') == -1 ) {
              s = (*it).stripWhiteSpace();

              Attendee *attendee = new Attendee( s, s, true );
              if( bIsReply ) {
                if( bCompatMethodAccepted )
                  attendee->setqStatus( Attendee::Accepted );
                if( bCompatMethodDeclined )
                  attendee->setqStatus( Attendee::Declined );
                if( bCompatMethodAcceptedCond )
                  attendee->setqStatus(Attendee::Tentative);
              } else {
                attendee->setqStatus( Attendee::NeedsAction );
                attendee->setRole( Attendee::ReqParticipant );
              }
              event->addAttendee(attendee);
            }
          }
        } else {
          // Oops, no attendees?
          // This must be old style, let us use the PR_SENDER_SEARCH_KEY.
          s = sSenderSearchKeyEmail;
          if( !s.isEmpty() ) {
            Attendee *attendee = new Attendee( TQString(), TQString(),
                                               true );
            if( bIsReply ) {
              if( bCompatMethodAccepted )
                attendee->setqStatus( Attendee::Accepted );
              if( bCompatMethodAcceptedCond )
                attendee->setqStatus( Attendee::Declined );
              if( bCompatMethodDeclined )
                attendee->setqStatus( Attendee::Tentative );
            } else {
              attendee->setqStatus(Attendee::NeedsAction);
              attendee->setRole(Attendee::ReqParticipant);
            }
            event->addAttendee(attendee);
          }
        }
        s = tnefMsg->findProp( 0x0c1f ); // look for organizer property
        if( s.isEmpty() && !bIsReply )
          s = sSenderSearchKeyEmail;
        // TODO: Use the common name?
        if( !s.isEmpty() )
          event->setOrganizer( s );

        s = tnefMsg->findProp( 0x8516 ).replace( TQChar( '-' ), TQString() )
          .replace( TQChar( ':' ), TQString() );
        event->setDtStart( TQDateTime::fromString( s ) ); // ## Format??

        s = tnefMsg->findProp( 0x8517 ).replace( TQChar( '-' ), TQString() )
          .replace( TQChar( ':' ), TQString() );
        event->setDtEnd( TQDateTime::fromString( s ) );

        s = tnefMsg->findProp( 0x8208 );
        event->setLocation( s );

        // is it OK to set this to OPAQUE always ??
        //vPart += "TRANSP:OPAQUE\n"; ###FIXME, portme!
        //vPart += "SEQUENCE:0\n";

        // is "0x0023" OK  -  or should we look for "0x0003" ??
        s = tnefMsg->findProp( 0x0023 );
        event->setUid( s );

        // PENDING(khz): is this value in local timezone? Must it be
        // adjusted? Most likely this is a bug in the server or in
        // Outlook - we ignore it for now.
        s = tnefMsg->findProp( 0x8202 ).replace( TQChar( '-' ), TQString() )
          .replace( TQChar( ':' ), TQString() );
        // ### libkcal always uses tqcurrentDateTime()
        // event->setDtStamp(TQDateTime::fromString(s));

        s = tnefMsg->findNamedProp( "Keywords" );
        event->setCategories( s );

        s = tnefMsg->findProp( 0x1000 );
        event->setDescription( s );

        s = tnefMsg->findProp( 0x0070 );
        event->setSummary( s );

        s = tnefMsg->findProp( 0x0026 );
        event->setPriority( s.toInt() );

        // is reminder flag set ?
        if(!tnefMsg->findProp(0x8503).isEmpty()) {
          Alarm *alarm = new Alarm(event);
          TQDateTime highNoonTime =
            pureISOToLocalTQDateTime( tnefMsg->findProp( 0x8502 )
                                     .replace( TQChar( '-' ), "" )
                                     .replace( TQChar( ':' ), "" ) );
          TQDateTime wakeMeUpTime =
            pureISOToLocalTQDateTime( tnefMsg->findProp( 0x8560, "" )
                                     .replace( TQChar( '-' ), "" )
                                     .replace( TQChar( ':' ), "" ) );
          alarm->setTime(wakeMeUpTime);

          if( highNoonTime.isValid() && wakeMeUpTime.isValid() )
            alarm->setStartOffset( Duration( highNoonTime, wakeMeUpTime ) );
          else
            // default: wake them up 15 minutes before the appointment
            alarm->setStartOffset( Duration( 15*60 ) );
          alarm->setDisplayAlarm( i18n( "Reminder" ) );

          // Sorry: the different action types are not known (yet)
          //        so we always set 'DISPLAY' (no sounds, no images...)
          event->addAlarm( alarm );
        }
        cal.addEvent( event );
        bOk = true;
        // we finished composing a vCal
      } else if( bCompatClassNote || "IPM.CONTACT" == msgClass ) {
        addressee.setUid( stringProp( tnefMsg, attMSGID ) );
        addressee.setFormattedName( stringProp( tnefMsg, MAPI_TAG_PR_DISPLAY_NAME ) );
        addressee.insertEmail( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_EMAIL1EMAILADDRESS ), true );
        addressee.insertEmail( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_EMAIL2EMAILADDRESS ), false );
        addressee.insertEmail( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_EMAIL3EMAILADDRESS ), false );
        addressee.insertCustom( "KADDRESSBOOK", "X-IMAddress", sNamedProp( tnefMsg, MAPI_TAG_CONTACT_IMADDRESS ) );
        addressee.insertCustom( "KADDRESSBOOK", "X-SpousesName", stringProp( tnefMsg, MAPI_TAG_PR_SPOUSE_NAME ) );
        addressee.insertCustom( "KADDRESSBOOK", "X-ManagersName", stringProp( tnefMsg, MAPI_TAG_PR_MANAGER_NAME ) );
        addressee.insertCustom( "KADDRESSBOOK", "X-AssistantsName", stringProp( tnefMsg, MAPI_TAG_PR_ASSISTANT ) );
        addressee.insertCustom( "KADDRESSBOOK", "X-Department", stringProp( tnefMsg, MAPI_TAG_PR_DEPARTMENT_NAME ) );
        addressee.insertCustom( "KADDRESSBOOK", "X-Office", stringProp( tnefMsg, MAPI_TAG_PR_OFFICE_LOCATION ) );
        addressee.insertCustom( "KADDRESSBOOK", "X-Profession", stringProp( tnefMsg, MAPI_TAG_PR_PROFESSION ) );

        TQString s = tnefMsg->findProp( MAPI_TAG_PR_WEDDING_ANNIVERSARY )
          .replace( TQChar( '-' ), TQString() )
          .replace( TQChar( ':' ), TQString() );
        if( !s.isEmpty() )
          addressee.insertCustom( "KADDRESSBOOK", "X-Anniversary", s );

        addressee.setUrl( KURL( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_WEBPAGE )  ) );

        // collect parts of Name entry
        addressee.setFamilyName( stringProp( tnefMsg, MAPI_TAG_PR_SURNAME ) );
        addressee.setGivenName( stringProp( tnefMsg, MAPI_TAG_PR_GIVEN_NAME ) );
        addressee.setAdditionalName( stringProp( tnefMsg, MAPI_TAG_PR_MIDDLE_NAME ) );
        addressee.setPrefix( stringProp( tnefMsg, MAPI_TAG_PR_DISPLAY_NAME_PREFIX ) );
        addressee.setSuffix( stringProp( tnefMsg, MAPI_TAG_PR_GENERATION ) );

        addressee.setNickName( stringProp( tnefMsg, MAPI_TAG_PR_NICKNAME ) );
        addressee.setRole( stringProp( tnefMsg, MAPI_TAG_PR_TITLE ) );
        addressee.setOrganization( stringProp( tnefMsg, MAPI_TAG_PR_COMPANY_NAME ) );
        /*
        the MAPI property ID of this (multiline) )field is unknown:
        vPart += stringProp(tnefMsg, "\n","NOTE", ... , "" );
        */

        KABC::Address adr;
        adr.setPostOfficeBox( stringProp( tnefMsg, MAPI_TAG_PR_HOME_ADDRESS_PO_BOX ) );
        adr.setStreet( stringProp( tnefMsg, MAPI_TAG_PR_HOME_ADDRESS_STREET ) );
        adr.setLocality( stringProp( tnefMsg, MAPI_TAG_PR_HOME_ADDRESS_CITY ) );
        adr.setRegion( stringProp( tnefMsg, MAPI_TAG_PR_HOME_ADDRESS_STATE_OR_PROVINCE ) );
        adr.setPostalCode( stringProp( tnefMsg, MAPI_TAG_PR_HOME_ADDRESS_POSTAL_CODE ) );
        adr.setCountry( stringProp( tnefMsg, MAPI_TAG_PR_HOME_ADDRESS_COUNTRY ) );
        adr.setType(KABC::Address::Home);
        addressee.insertAddress(adr);

        adr.setPostOfficeBox( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_BUSINESSADDRESSPOBOX ) );
        adr.setStreet( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_BUSINESSADDRESSSTREET ) );
        adr.setLocality( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_BUSINESSADDRESSCITY ) );
        adr.setRegion( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_BUSINESSADDRESSSTATE ) );
        adr.setPostalCode( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_BUSINESSADDRESSPOSTALCODE ) );
        adr.setCountry( sNamedProp( tnefMsg, MAPI_TAG_CONTACT_BUSINESSADDRESSCOUNTRY ) );
        adr.setType( KABC::Address::Work );
        addressee.insertAddress( adr );

        adr.setPostOfficeBox( stringProp( tnefMsg, MAPI_TAG_PR_OTHER_ADDRESS_PO_BOX ) );
        adr.setStreet( stringProp(tnefMsg, MAPI_TAG_PR_OTHER_ADDRESS_STREET ) );
        adr.setLocality( stringProp(tnefMsg, MAPI_TAG_PR_OTHER_ADDRESS_CITY ) );
        adr.setRegion( stringProp(tnefMsg, MAPI_TAG_PR_OTHER_ADDRESS_STATE_OR_PROVINCE ) );
        adr.setPostalCode( stringProp(tnefMsg, MAPI_TAG_PR_OTHER_ADDRESS_POSTAL_CODE ) );
        adr.setCountry( stringProp(tnefMsg, MAPI_TAG_PR_OTHER_ADDRESS_COUNTRY ) );
        adr.setType( KABC::Address::Dom );
        addressee.insertAddress(adr);

        // problem: the 'other' address was stored by KOrganizer in
        //          a line looking like the following one:
        // vPart += "\nADR;TYPE=dom;TYPE=intl;TYPE=parcel;TYPE=postal;TYPE=work;TYPE=home:other_pobox;;other_str1\nother_str2;other_loc;other_region;other_pocode;other_country

        TQString nr;
        nr = stringProp( tnefMsg, MAPI_TAG_PR_HOME_TELEPHONE_NUMBER );
        addressee.insertPhoneNumber( KABC::PhoneNumber( nr, KABC::PhoneNumber::Home ) );
        nr = stringProp( tnefMsg, MAPI_TAG_PR_BUSINESS_TELEPHONE_NUMBER );
        addressee.insertPhoneNumber( KABC::PhoneNumber( nr, KABC::PhoneNumber::Work ) );
        nr = stringProp( tnefMsg, MAPI_TAG_PR_MOBILE_TELEPHONE_NUMBER );
        addressee.insertPhoneNumber( KABC::PhoneNumber( nr, KABC::PhoneNumber::Cell ) );
        nr = stringProp( tnefMsg, MAPI_TAG_PR_HOME_FAX_NUMBER );
        addressee.insertPhoneNumber( KABC::PhoneNumber( nr, KABC::PhoneNumber::Fax | KABC::PhoneNumber::Home ) );
        nr = stringProp( tnefMsg, MAPI_TAG_PR_BUSINESS_FAX_NUMBER );
        addressee.insertPhoneNumber( KABC::PhoneNumber( nr, KABC::PhoneNumber::Fax | KABC::PhoneNumber::Work ) );

        s = tnefMsg->findProp( MAPI_TAG_PR_BIRTHDAY )
          .replace( TQChar( '-' ), TQString() )
          .replace( TQChar( ':' ), TQString() );
        if( !s.isEmpty() )
          addressee.setBirthday( TQDateTime::fromString( s ) );

        bOk = ( !addressee.isEmpty() );
      } else if( "IPM.NOTE" == msgClass ) {

      } // else if ... and so on ...
    }
  }

  // Compose return string
  TQString iCal = calFormat.toString( &cal );
  if( !iCal.isEmpty() )
    // This was an iCal
    return iCal;

  // Not an iCal - try a vCard
  KABC::VCardConverter converter;
  return converter.createVCard( addressee );
}


TQString IncidenceFormatter::formatTNEFInvitation( const TQByteArray& tnef,
        Calendar *mCalendar, InvitationFormatterHelper *helper )
{
  TQString vPart = IncidenceFormatter::msTNEFToVPart( tnef );
  TQString iCal = IncidenceFormatter::formatICalInvitation( vPart, mCalendar, helper );
  if( !iCal.isEmpty() )
    return iCal;
  return vPart;
}




/*******************************************************************
 *  Helper functions for the Incidence tooltips
 *******************************************************************/

class IncidenceFormatter::ToolTipVisitor : public IncidenceBase::Visitor
{
  public:
    ToolTipVisitor()
      : mCalendar( 0 ), mRichText( true ), mResult( "" ) {}

    bool act( Calendar *calendar, IncidenceBase *incidence,
              const TQDate &date=TQDate(), bool richText=true )
    {
      mCalendar = calendar;
      mDate = date;
      mRichText = richText;
      mResult = "";
      return incidence ? incidence->accept( *this ) : false;
    }
    TQString result() const { return mResult; }

  protected:
    bool visit( Event *event );
    bool visit( Todo *todo );
    bool visit( Journal *journal );
    bool visit( FreeBusy *fb );

    TQString dateRangeText( Event *event, const TQDate &date );
    TQString dateRangeText( Todo *todo, const TQDate &date );
    TQString dateRangeText( Journal *journal );
    TQString dateRangeText( FreeBusy *fb );

    TQString generateToolTip( Incidence* incidence, TQString dtRangeText );

  protected:
    Calendar *mCalendar;
    TQDate mDate;
    bool mRichText;
    TQString mResult;
};

TQString IncidenceFormatter::ToolTipVisitor::dateRangeText( Event *event, const TQDate &date )
{
  TQString ret;
  TQString tmp;

  TQDateTime startDt = event->dtStart();
  TQDateTime endDt = event->dtEnd();
  if ( event->doesRecur() ) {
    if ( date.isValid() ) {
      TQDateTime dt( date, TQTime( 0, 0, 0 ) );
      int diffDays = startDt.daysTo( dt );
      dt = dt.addSecs( -1 );
      startDt.setDate( event->recurrence()->getNextDateTime( dt ).date() );
      if ( event->hasEndDate() ) {
        endDt = endDt.addDays( diffDays );
        if ( startDt > endDt ) {
          startDt.setDate( event->recurrence()->getPreviousDateTime( dt ).date() );
          endDt = startDt.addDays( event->dtStart().daysTo( event->dtEnd() ) );
        }
      }
    }
  }
  if ( event->isMultiDay() ) {

    tmp = "<br>" + i18n("Event start", "<i>From:</i>&nbsp;%1");
    if (event->doesFloat())
      ret += tmp.tqarg( IncidenceFormatter::dateToString( startDt, false ).replace(" ", "&nbsp;") );
    else
      ret += tmp.tqarg( IncidenceFormatter::dateToString( startDt ).replace(" ", "&nbsp;") );

    tmp = "<br>" + i18n("Event end","<i>To:</i>&nbsp;%1");
    if (event->doesFloat())
      ret += tmp.tqarg( IncidenceFormatter::dateToString( endDt, false ).replace(" ", "&nbsp;") );
    else
      ret += tmp.tqarg( IncidenceFormatter::dateToString( endDt ).replace(" ", "&nbsp;") );

  } else {

    ret += "<br>"+i18n("<i>Date:</i>&nbsp;%1").
           tqarg( IncidenceFormatter::dateToString( startDt, false ).replace(" ", "&nbsp;") );
    if ( !event->doesFloat() ) {
      const TQString dtStartTime =
        IncidenceFormatter::timeToString( startDt, true ).replace( " ", "&nbsp;" );
      const TQString dtEndTime =
        IncidenceFormatter::timeToString( endDt, true ).replace( " ", "&nbsp;" );
      if ( dtStartTime == dtEndTime ) { // to prevent 'Time: 17:00 - 17:00'
        tmp = "<br>" + i18n("time for event, &nbsp; to prevent ugly line breaks",
        "<i>Time:</i>&nbsp;%1").
        tqarg( dtStartTime );
      } else {
        tmp = "<br>" + i18n("time range for event, &nbsp; to prevent ugly line breaks",
        "<i>Time:</i>&nbsp;%1&nbsp;-&nbsp;%2").
        tqarg( dtStartTime, dtEndTime );
      }
      ret += tmp;
    }

  }
  return ret;
}

TQString IncidenceFormatter::ToolTipVisitor::dateRangeText( Todo *todo, const TQDate &date )
{
  TQString ret;
  bool floats( todo->doesFloat() );

  if ( todo->hasStartDate() && todo->dtStart().isValid() ) {
    TQDateTime startDt = todo->dtStart();
    if ( todo->doesRecur() ) {
      if ( date.isValid() ) {
        startDt.setDate( date );
      }
    }
    ret += "<br>" +
           i18n("<i>Start:</i>&nbsp;%1").
           tqarg( IncidenceFormatter::dateTimeToString( startDt, floats, false ).
                replace( " ", "&nbsp;" ) );
  }

  if ( todo->hasDueDate() && todo->dtDue().isValid() ) {
    TQDateTime dueDt = todo->dtDue();
    if ( todo->doesRecur() ) {
      if ( date.isValid() ) {
        TQDateTime dt( date, TQTime( 0, 0, 0 ) );
        dt = dt.addSecs( -1 );
        dueDt.setDate( todo->recurrence()->getNextDateTime( dt ).date() );
      }
    }
    ret += "<br>" +
           i18n("<i>Due:</i>&nbsp;%1").
           tqarg( IncidenceFormatter::dateTimeToString( dueDt, floats, false ).
                replace( " ", "&nbsp;" ) );
  }

  // Print priority and completed info here, for lack of a better place

  if ( todo->priority() > 0 ) {
    ret += "<br>";
    ret += "<i>" + i18n( "Priority:" ) + "</i>" + "&nbsp;";
    ret += TQString::number( todo->priority() );
  }

  ret += "<br>";
  if ( todo->isCompleted() ) {
    ret += "<i>" + i18n( "Completed:" ) + "</i>" + "&nbsp;";
    ret += todo->completedStr().replace( " ", "&nbsp;" );
  } else {
    ret += "<i>" + i18n( "Percent Done:" ) + "</i>" + "&nbsp;";
    ret += i18n( "%1%" ).tqarg( todo->percentComplete() );
  }

  return ret;
}

TQString IncidenceFormatter::ToolTipVisitor::dateRangeText( Journal*journal )
{
  TQString ret;
  if (journal->dtStart().isValid() ) {
    ret += "<br>" +
           i18n("<i>Date:</i>&nbsp;%1").
           tqarg( IncidenceFormatter::dateToString( journal->dtStart(), false ) );
  }
  return ret;
}

TQString IncidenceFormatter::ToolTipVisitor::dateRangeText( FreeBusy *fb )
{
  TQString tmp( "<br>" + i18n("<i>Period start:</i>&nbsp;%1") );
  TQString ret = tmp.tqarg( KGlobal::locale()->formatDateTime( fb->dtStart() ) );
  tmp = "<br>" + i18n("<i>Period start:</i>&nbsp;%1");
  ret += tmp.tqarg( KGlobal::locale()->formatDateTime( fb->dtEnd() ) );
  return ret;
}



bool IncidenceFormatter::ToolTipVisitor::visit( Event *event )
{
  mResult = generateToolTip( event, dateRangeText( event, mDate ) );
  return !mResult.isEmpty();
}

bool IncidenceFormatter::ToolTipVisitor::visit( Todo *todo )
{
  mResult = generateToolTip( todo, dateRangeText( todo, mDate ) );
  return !mResult.isEmpty();
}

bool IncidenceFormatter::ToolTipVisitor::visit( Journal *journal )
{
  mResult = generateToolTip( journal, dateRangeText( journal ) );
  return !mResult.isEmpty();
}

bool IncidenceFormatter::ToolTipVisitor::visit( FreeBusy *fb )
{
  mResult = "<qt><b>" + i18n("Free/Busy information for %1")
        .tqarg(fb->organizer().fullName()) + "</b>";
  mResult += dateRangeText( fb );
  mResult += "</qt>";
  return !mResult.isEmpty();
}

static TQString tooltipPerson( const TQString& email, TQString name )
{
  // Make the search, if there is an email address to search on,
  // and name is missing
  if ( name.isEmpty() && !email.isEmpty() ) {
    KABC::AddressBook *add_book = KABC::StdAddressBook::self( true );
    KABC::Addressee::List addressList = add_book->findByEmail( email );
    if ( !addressList.isEmpty() ) {
      KABC::Addressee o = addressList.first();
      if ( !o.isEmpty() && addressList.size() < 2 ) {
        // use the name from the addressbook
        name = o.formattedName();
      }
    }
  }

  // Show the attendee
  TQString tmpString = ( name.isEmpty() ? email : name );

  return tmpString;
}

static TQString etc = i18n( "elipsis", "..." );
static TQString tooltipFormatAttendeeRoleList( Incidence *incidence, Attendee::Role role )
{
  int maxNumAtts = 8; // maximum number of people to print per attendee role
  TQString sep = i18n( "separator for lists of people names", ", " );
  int sepLen = sep.length();

  int i = 0;
  TQString tmpStr;
  Attendee::List::ConstIterator it;
  Attendee::List attendees = incidence->attendees();

  for( it = attendees.begin(); it != attendees.end(); ++it ) {
    Attendee *a = *it;
    if ( a->role() != role ) {
      // skip not this role
      continue;
    }
    if ( a->email() == incidence->organizer().email() ) {
      // skip attendee that is also the organizer
      continue;
    }
    if ( i == maxNumAtts ) {
      tmpStr += etc;
      break;
    }
    tmpStr += tooltipPerson( a->email(), a->name() );
    if ( !a->delegator().isEmpty() ) {
      tmpStr += i18n(" (delegated by %1)" ).tqarg( a->delegator() );
    }
    if ( !a->delegate().isEmpty() ) {
      tmpStr += i18n(" (delegated to %1)" ).tqarg( a->delegate() );
    }
    tmpStr += sep;
    i++;
  }
  if ( tmpStr.endsWith( sep ) ) {
    tmpStr.truncate( tmpStr.length() - sepLen );
  }
  return tmpStr;
}

static TQString tooltipFormatAttendees( Incidence *incidence )
{
  TQString tmpStr, str;

  // Add organizer link
  int attendeeCount = incidence->attendees().count();
  if ( attendeeCount > 1 ||
       ( attendeeCount == 1 &&
         incidence->organizer().email() != incidence->attendees().first()->email() ) ) {
    tmpStr += "<i>" + i18n( "Organizer:" ) + "</i>" + "&nbsp;";
    tmpStr += tooltipPerson( incidence->organizer().email(),
                             incidence->organizer().name() );
  }

  // Add "chair"
  str = tooltipFormatAttendeeRoleList( incidence, Attendee::Chair );
  if ( !str.isEmpty() ) {
    tmpStr += "<br><i>" + i18n( "Chair:" ) + "</i>" + "&nbsp;";
    tmpStr += str;
  }

  // Add required participants
  str = tooltipFormatAttendeeRoleList( incidence, Attendee::ReqParticipant );
  if ( !str.isEmpty() ) {
    tmpStr += "<br><i>" + i18n( "Required Participants:" ) + "</i>" + "&nbsp;";
    tmpStr += str;
  }

  // Add optional participants
  str = tooltipFormatAttendeeRoleList( incidence, Attendee::OptParticipant );
  if ( !str.isEmpty() ) {
    tmpStr += "<br><i>" + i18n( "Optional Participants:" ) + "</i>" + "&nbsp;";
    tmpStr += str;
  }

  // Add observers
  str = tooltipFormatAttendeeRoleList( incidence, Attendee::NonParticipant );
  if ( !str.isEmpty() ) {
    tmpStr += "<br><i>" + i18n( "Observers:" ) + "</i>" + "&nbsp;";
    tmpStr += str;
  }

  return tmpStr;
}

TQString IncidenceFormatter::ToolTipVisitor::generateToolTip( Incidence* incidence, TQString dtRangeText )
{
  uint maxDescLen = 120; // maximum description chars to print (before elipsis)

  if ( !incidence ) {
    return TQString();
  }

  TQString tmp = "<qt>";

  // header
  tmp += "<b>" + incidence->summary().replace( "\n", "<br>" ) + "</b>";
  //NOTE: using <hr> seems to confuse TQt3 tooltips in some cases so use "-----"
  tmp += "<br>----------<br>";

  if ( mCalendar ) {
    TQString calStr = IncidenceFormatter::resourceString( mCalendar, incidence );
    if ( !calStr.isEmpty() ) {
      tmp += "<i>" + i18n( "Calendar:" ) + "</i>" + "&nbsp;";
      tmp += calStr;
    }
  }

  tmp += dtRangeText;

  if ( !incidence->location().isEmpty() ) {
    tmp += "<br>";
    tmp += "<i>" + i18n( "Location:" ) + "</i>" + "&nbsp;";
    tmp += incidence->location().replace( "\n", "<br>" );
  }

  TQString durStr = IncidenceFormatter::durationString( incidence );
  if ( !durStr.isEmpty() ) {
    tmp += "<br>";
    tmp += "<i>" + i18n( "Duration:" ) + "</i>" + "&nbsp;";
    tmp += durStr;
  }

  if ( incidence->doesRecur() ) {
    tmp += "<br>";
    tmp += "<i>" + i18n( "Recurrence:" ) + "</i>" + "&nbsp;";
    tmp += IncidenceFormatter::recurrenceString( incidence );
  }

  if ( !incidence->description().isEmpty() ) {
    TQString desc( incidence->description() );
    if ( desc.length() > maxDescLen ) {
      desc = desc.left( maxDescLen ) + etc;
    }
    tmp += "<br>----------<br>";
    tmp += "<i>" + i18n( "Description:" ) + "</i>" + "<br>";
    tmp += desc.replace( "\n", "<br>" );
    tmp += "<br>----------";
  }

  int reminderCount = incidence->alarms().count();
  if ( reminderCount > 0 && incidence->isAlarmEnabled() ) {
    tmp += "<br>";
    tmp += "<i>" + i18n( "Reminder:", "%n Reminders:", reminderCount ) + "</i>" + "&nbsp;";
    tmp += IncidenceFormatter::reminderStringList( incidence ).join( ", " );
  }

  tmp += "<br>";
  tmp += tooltipFormatAttendees( incidence );

  int categoryCount = incidence->categories().count();
  if ( categoryCount > 0 ) {
    tmp += "<br>";
    tmp += "<i>" + i18n( "Category:", "%n Categories:", categoryCount ) + "</i>" + "&nbsp;";
    tmp += incidence->categories().join( ", " );
  }

  tmp += "</qt>";
  return tmp;
}

TQString IncidenceFormatter::toolTipString( IncidenceBase *incidence, bool richText )
{
  return toolTipStr( 0, incidence, TQDate(), richText );
}

TQString IncidenceFormatter::toolTipStr( Calendar *calendar,
                                        IncidenceBase *incidence,
                                        const TQDate &date,
                                        bool richText )
{
  ToolTipVisitor v;
  if ( v.act( calendar, incidence, date, richText ) ) {
    return v.result();
  } else {
    return TQString();
  }
}

/*******************************************************************
 *  Helper functions for the Incidence tooltips
 *******************************************************************/

class IncidenceFormatter::MailBodyVisitor : public IncidenceBase::Visitor
{
  public:
    MailBodyVisitor() : mResult( "" ) {}

    bool act( IncidenceBase *incidence )
    {
      mResult = "";
      return incidence ? incidence->accept( *this ) : false;
    }
    TQString result() const { return mResult; }

  protected:
    bool visit( Event *event );
    bool visit( Todo *todo );
    bool visit( Journal *journal );
    bool visit( FreeBusy * ) { mResult = i18n("This is a Free Busy Object"); return !mResult.isEmpty(); }
  protected:
    TQString mResult;
};


static TQString mailBodyIncidence( Incidence *incidence )
{
  TQString body;
  if ( !incidence->summary().isEmpty() ) {
    body += i18n("Summary: %1\n").tqarg( incidence->summary() );
  }
  if ( !incidence->organizer().isEmpty() ) {
    body += i18n("Organizer: %1\n").tqarg( incidence->organizer().fullName() );
  }
  if ( !incidence->location().isEmpty() ) {
    body += i18n("Location: %1\n").tqarg( incidence->location() );
  }
  return body;
}

bool IncidenceFormatter::MailBodyVisitor::visit( Event *event )
{
  TQString recurrence[]= {i18n("no recurrence", "None"),
    i18n("Minutely"), i18n("Hourly"), i18n("Daily"),
    i18n("Weekly"), i18n("Monthly Same Day"), i18n("Monthly Same Position"),
    i18n("Yearly"), i18n("Yearly"), i18n("Yearly")};

  mResult = mailBodyIncidence( event );
  mResult += i18n("Start Date: %1\n").
             tqarg( IncidenceFormatter::dateToString( event->dtStart(), true ) );
  if ( !event->doesFloat() ) {
    mResult += i18n("Start Time: %1\n").
               tqarg( IncidenceFormatter::timeToString( event->dtStart(), true ) );
  }
  if ( event->dtStart() != event->dtEnd() ) {
    mResult += i18n("End Date: %1\n").
               tqarg( IncidenceFormatter::dateToString( event->dtEnd(), true ) );
  }
  if ( !event->doesFloat() ) {
    mResult += i18n("End Time: %1\n").
               tqarg( IncidenceFormatter::timeToString( event->dtEnd(), true ) );
  }
  if ( event->doesRecur() ) {
    Recurrence *recur = event->recurrence();
    // TODO: Merge these two to one of the form "Recurs every 3 days"
    mResult += i18n("Recurs: %1\n")
             .tqarg( recurrence[ recur->recurrenceType() ] );
    mResult += i18n("Frequency: %1\n")
             .tqarg( event->recurrence()->frequency() );

    if ( recur->duration() > 0 ) {
      mResult += i18n ("Repeats once", "Repeats %n times", recur->duration());
      mResult += '\n';
    } else {
      if ( recur->duration() != -1 ) {
// TODO_Recurrence: What to do with floating
        TQString endstr;
        if ( event->doesFloat() ) {
          endstr = KGlobal::locale()->formatDate( recur->endDate() );
        } else {
          endstr = KGlobal::locale()->formatDateTime( recur->endDateTime() );
        }
        mResult += i18n("Repeat until: %1\n").tqarg( endstr );
      } else {
        mResult += i18n("Repeats forever\n");
      }
    }

    DateList exceptions = recur->exDates();
    if (exceptions.isEmpty() == false) {
      mResult += i18n("This recurring meeting has been cancelled on the following days:\n");
      DateList::ConstIterator ex_iter;
      for ( ex_iter = exceptions.begin(); ex_iter != exceptions.end(); ++ex_iter ) {
        mResult += i18n("  %1\n").tqarg( KGlobal::locale()->formatDate(* ex_iter ) );
      }
    }
  }
  TQString details = event->description();
  if ( !details.isEmpty() ) {
    mResult += i18n("Details:\n%1\n").tqarg( details );
  }
  return !mResult.isEmpty();
}

bool IncidenceFormatter::MailBodyVisitor::visit( Todo *todo )
{
  mResult = mailBodyIncidence( todo );

  if ( todo->hasStartDate() ) {
    mResult += i18n("Start Date: %1\n").
               tqarg( IncidenceFormatter::dateToString( todo->dtStart( false ), true ) );
    if ( !todo->doesFloat() ) {
      mResult += i18n("Start Time: %1\n").
                 tqarg( IncidenceFormatter::timeToString( todo->dtStart( false ),true ) );
    }
  }
  if ( todo->hasDueDate() ) {
    mResult += i18n("Due Date: %1\n").
               tqarg( IncidenceFormatter::dateToString( todo->dtDue(), true ) );
    if ( !todo->doesFloat() ) {
      mResult += i18n("Due Time: %1\n").
                 tqarg( IncidenceFormatter::timeToString( todo->dtDue(), true ) );
    }
  }
  TQString details = todo->description();
  if ( !details.isEmpty() ) {
    mResult += i18n("Details:\n%1\n").tqarg( details );
  }
  return !mResult.isEmpty();
}

bool IncidenceFormatter::MailBodyVisitor::visit( Journal *journal )
{
  mResult = mailBodyIncidence( journal );
  mResult += i18n("Date: %1\n").
             tqarg( IncidenceFormatter::dateToString( journal->dtStart(), true ) );
  if ( !journal->doesFloat() ) {
    mResult += i18n("Time: %1\n").
               tqarg( IncidenceFormatter::timeToString( journal->dtStart(), true ) );
  }
  if ( !journal->description().isEmpty() )
    mResult += i18n("Text of the journal:\n%1\n").tqarg( journal->description() );
  return !mResult.isEmpty();
}



TQString IncidenceFormatter::mailBodyString( IncidenceBase *incidence )
{
  if ( !incidence )
    return TQString();

  MailBodyVisitor v;
  if ( v.act( incidence ) ) {
    return v.result();
  }
  return TQString();
}

static TQString recurEnd( Incidence *incidence )
{
  TQString endstr;
  if ( incidence->doesFloat() ) {
    endstr = KGlobal::locale()->formatDate( incidence->recurrence()->endDate() );
  } else {
    endstr = KGlobal::locale()->formatDateTime( incidence->recurrence()->endDateTime() );
  }
  return endstr;
}

/************************************
 *  More static formatting functions
 ************************************/
TQString IncidenceFormatter::recurrenceString( Incidence *incidence )
{
  if ( !incidence->doesRecur() ) {
    return i18n( "No recurrence" );
  }
  TQStringList dayList;
  dayList.append( i18n( "31st Last" ) );
  dayList.append( i18n( "30th Last" ) );
  dayList.append( i18n( "29th Last" ) );
  dayList.append( i18n( "28th Last" ) );
  dayList.append( i18n( "27th Last" ) );
  dayList.append( i18n( "26th Last" ) );
  dayList.append( i18n( "25th Last" ) );
  dayList.append( i18n( "24th Last" ) );
  dayList.append( i18n( "23rd Last" ) );
  dayList.append( i18n( "22nd Last" ) );
  dayList.append( i18n( "21st Last" ) );
  dayList.append( i18n( "20th Last" ) );
  dayList.append( i18n( "19th Last" ) );
  dayList.append( i18n( "18th Last" ) );
  dayList.append( i18n( "17th Last" ) );
  dayList.append( i18n( "16th Last" ) );
  dayList.append( i18n( "15th Last" ) );
  dayList.append( i18n( "14th Last" ) );
  dayList.append( i18n( "13th Last" ) );
  dayList.append( i18n( "12th Last" ) );
  dayList.append( i18n( "11th Last" ) );
  dayList.append( i18n( "10th Last" ) );
  dayList.append( i18n( "9th Last" ) );
  dayList.append( i18n( "8th Last" ) );
  dayList.append( i18n( "7th Last" ) );
  dayList.append( i18n( "6th Last" ) );
  dayList.append( i18n( "5th Last" ) );
  dayList.append( i18n( "4th Last" ) );
  dayList.append( i18n( "3rd Last" ) );
  dayList.append( i18n( "2nd Last" ) );
  dayList.append( i18n( "last day of the month", "Last" ) );
  dayList.append( i18n( "unknown day of the month", "unknown" ) ); //#31 - zero offset from UI
  dayList.append( i18n( "1st" ) );
  dayList.append( i18n( "2nd" ) );
  dayList.append( i18n( "3rd" ) );
  dayList.append( i18n( "4th" ) );
  dayList.append( i18n( "5th" ) );
  dayList.append( i18n( "6th" ) );
  dayList.append( i18n( "7th" ) );
  dayList.append( i18n( "8th" ) );
  dayList.append( i18n( "9th" ) );
  dayList.append( i18n( "10th" ) );
  dayList.append( i18n( "11th" ) );
  dayList.append( i18n( "12th" ) );
  dayList.append( i18n( "13th" ) );
  dayList.append( i18n( "14th" ) );
  dayList.append( i18n( "15th" ) );
  dayList.append( i18n( "16th" ) );
  dayList.append( i18n( "17th" ) );
  dayList.append( i18n( "18th" ) );
  dayList.append( i18n( "19th" ) );
  dayList.append( i18n( "20th" ) );
  dayList.append( i18n( "21st" ) );
  dayList.append( i18n( "22nd" ) );
  dayList.append( i18n( "23rd" ) );
  dayList.append( i18n( "24th" ) );
  dayList.append( i18n( "25th" ) );
  dayList.append( i18n( "26th" ) );
  dayList.append( i18n( "27th" ) );
  dayList.append( i18n( "28th" ) );
  dayList.append( i18n( "29th" ) );
  dayList.append( i18n( "30th" ) );
  dayList.append( i18n( "31st" ) );
  int weekStart = KGlobal::locale()->weekStartDay();
  TQString dayNames;
  TQString recurStr, txt;
  const KCalendarSystem *calSys = KGlobal::locale()->calendar();
  Recurrence *recur = incidence->recurrence();
  switch ( recur->recurrenceType() ) {
  case Recurrence::rNone:
    return i18n( "No recurrence" );

  case Recurrence::rMinutely:
    recurStr = i18n( "Recurs every minute", "Recurs every %n minutes", recur->frequency() );
    if ( recur->duration() != -1 ) {
      txt = i18n( "%1 until %2" ).tqarg( recurStr ).tqarg( recurEnd( incidence ) );
      if ( recur->duration() >  0 ) {
        txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
      }
      return txt;
    }
    return recurStr;

  case Recurrence::rHourly:
    recurStr = i18n( "Recurs hourly", "Recurs every %n hours", recur->frequency() );
    if ( recur->duration() != -1 ) {
      txt = i18n( "%1 until %2" ).tqarg( recurStr ).tqarg( recurEnd( incidence ) );
      if ( recur->duration() >  0 ) {
        txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
      }
      return txt;
    }
    return recurStr;

  case Recurrence::rDaily:
    recurStr = i18n( "Recurs daily", "Recurs every %n days", recur->frequency() );
    if ( recur->duration() != -1 ) {

      txt = i18n( "%1 until %2" ).tqarg( recurStr ).tqarg( recurEnd( incidence ) );
      if ( recur->duration() >  0 ) {
        txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
      }
      return txt;
    }
    return recurStr;

  case Recurrence::rWeekly:
  {
    recurStr = i18n( "Recurs weekly", "Recurs every %n weeks", recur->frequency() );

    bool addSpace = false;
    for ( int i = 0; i < 7; ++i ) {
      if ( recur->days().testBit( ( i + weekStart + 6 ) % 7 ) ) {
        if ( addSpace ) {
          dayNames.append( i18n( "separator for list of days", ", " ) );
        }
        dayNames.append( calSys->weekDayName( ( ( i + weekStart + 6 ) % 7 ) + 1, true ) );
        addSpace = true;
      }
    }
    if ( dayNames.isEmpty() ) {
      dayNames = i18n( "Recurs weekly on no days", "no days" );
    }
    if ( recur->duration() != -1 ) {
      txt = i18n( "%1 on %2 until %3" ).
            tqarg( recurStr ).tqarg( dayNames ).tqarg( recurEnd( incidence ) );
      if ( recur->duration() >  0 ) {
        txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
      }
      return txt;
    }
    txt = i18n( "%1 on %2" ).tqarg( recurStr ).tqarg( dayNames );
    return txt;
  }
  case Recurrence::rMonthlyPos:
  {
    recurStr = i18n( "Recurs monthly", "Recurs every %n months", recur->frequency() );

    if ( !recur->monthPositions().isEmpty() ) {
      KCal::RecurrenceRule::WDayPos rule = recur->monthPositions()[0];
      if ( recur->duration() != -1 ) {
        txt = i18n( "%1 on the %2 %3 until %4" ).
              tqarg( recurStr ).
              tqarg( dayList[rule.pos() + 31] ).
              tqarg( calSys->weekDayName( rule.day(), false ) ).
              tqarg( recurEnd( incidence ) );
        if ( recur->duration() >  0 ) {
          txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
        }
        return txt;
      }
      txt = i18n( "%1 on the %2 %3" ).
            tqarg( recurStr ).
            tqarg( dayList[rule.pos() + 31] ).
            tqarg( calSys->weekDayName( rule.day(), false ) );
      return txt;
    } else {
      return recurStr;
    }
    break;
  }
  case Recurrence::rMonthlyDay:
  {
    recurStr = i18n( "Recurs monthly", "Recurs every %n months", recur->frequency() );

    if ( !recur->monthDays().isEmpty() ) {
      int days = recur->monthDays()[0];
      if ( recur->duration() != -1 ) {
        txt = i18n( "%1 on the %2 day until %3" ).
              tqarg( recurStr ).
              tqarg( dayList[days + 31] ).
              tqarg( recurEnd( incidence ) );
        if ( recur->duration() >  0 ) {
          txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
        }
        return txt;
      }
      txt = i18n( "%1 on the %2 day" ).tqarg( recurStr ).tqarg( dayList[days + 31] );
      return txt;
    } else {
      return recurStr;
    }
    break;
  }
  case Recurrence::rYearlyMonth:
  {
    recurStr = i18n( "Recurs yearly", "Recurs every %n years", recur->frequency() );

    if ( recur->duration() != -1 ) {
      if ( !recur->yearDates().isEmpty() ) {
        txt = i18n( "%1 on %2 %3 until %4" ).
              tqarg( recurStr ).
              tqarg( calSys->monthName( recur->yearMonths()[0], recur->startDate().year() ) ).
              tqarg( dayList[ recur->yearDates()[0] + 31 ] ).
              tqarg( recurEnd( incidence ) );
        if ( recur->duration() >  0 ) {
          txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
        }
        return txt;
      }
    }
    if ( !recur->yearDates().isEmpty() ) {
      txt = i18n( "%1 on %2 %3" ).
            tqarg( recurStr ).
            tqarg( calSys->monthName( recur->yearMonths()[0], recur->startDate().year() ) ).
            tqarg( dayList[ recur->yearDates()[0] + 31 ] );
      return txt;
    } else {
      if ( !recur->yearMonths().isEmpty() ) {
        txt = i18n( "Recurs yearly on %1 %2" ).
              tqarg( calSys->monthName( recur->yearMonths()[0],
                                      recur->startDate().year() ) ).
              tqarg( dayList[ recur->startDate().day() + 31 ] );
      } else {
        txt = i18n( "Recurs yearly on %1 %2" ).
              tqarg( calSys->monthName( recur->startDate().month(),
                                      recur->startDate().year() ) ).
              tqarg( dayList[ recur->startDate().day() + 31 ] );
      }
      return txt;
    }
    break;
  }
  case Recurrence::rYearlyDay:
  {
    recurStr = i18n( "Recurs yearly", "Recurs every %n years", recur->frequency() );
    if ( !recur->yearDays().isEmpty() ) {
      if ( recur->duration() != -1 ) {
        txt = i18n( "%1 on day %2 until %3" ).
              tqarg( recurStr ).
              tqarg( recur->yearDays()[0] ).
              tqarg( recurEnd( incidence ) );
        if ( recur->duration() >  0 ) {
          txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
        }
        return txt;
      }
      txt = i18n( "%1 on day %2" ).tqarg( recurStr ).tqarg( recur->yearDays()[0] );
      return txt;
    } else {
      return recurStr;
    }
    break;
  }
  case Recurrence::rYearlyPos:
  {
    recurStr = i18n( "Every year", "Every %n years", recur->frequency() );
    if ( !recur->yearPositions().isEmpty() && !recur->yearMonths().isEmpty() ) {
      KCal::RecurrenceRule::WDayPos rule = recur->yearPositions()[0];
      if ( recur->duration() != -1 ) {
        txt = i18n( "%1 on the %2 %3 of %4 until %5" ).
              tqarg( recurStr ).
              tqarg( dayList[rule.pos() + 31] ).
              tqarg( calSys->weekDayName( rule.day(), false ) ).
              tqarg( calSys->monthName( recur->yearMonths()[0], recur->startDate().year() ) ).
              tqarg( recurEnd( incidence ) );
      if ( recur->duration() >  0 ) {
        txt += i18n( " (%1 occurrences)" ).tqarg( recur->duration() );
      }
      return txt;
      }
      txt = i18n( "%1 on the %2 %3 of %4" ).
            tqarg( recurStr ).
            tqarg( dayList[rule.pos() + 31] ).
            tqarg( calSys->weekDayName( rule.day(), false ) ).
            tqarg( calSys->monthName( recur->yearMonths()[0], recur->startDate().year() ) );
      return txt;
    } else {
      return recurStr;
    }
   break;
  }
  }

  return i18n( "Incidence recurs" );
}

TQString IncidenceFormatter::timeToString( const TQDateTime &date, bool shortfmt )
{
  return KGlobal::locale()->formatTime( date.time(), !shortfmt );
}

TQString IncidenceFormatter::dateToString( const TQDateTime &date, bool shortfmt )
{
  return
    KGlobal::locale()->formatDate( date.date(), shortfmt );
}

TQString IncidenceFormatter::dateTimeToString( const TQDateTime &date,
                                              bool allDay, bool shortfmt )
{
  if ( allDay ) {
    return dateToString( date, shortfmt );
  }

  return  KGlobal::locale()->formatDateTime( date, shortfmt );
}

TQString IncidenceFormatter::resourceString( Calendar *calendar, Incidence *incidence )
{
  if ( !calendar || !incidence ) {
    return TQString();
  }

  CalendarResources *calendarResource = dynamic_cast<CalendarResources*>( calendar );
  if ( !calendarResource ) {
    return TQString();
  }

  ResourceCalendar *resourceCalendar = calendarResource->resource( incidence );
  if ( resourceCalendar ) {
    if ( !resourceCalendar->subresources().isEmpty() ) {
      TQString subRes = resourceCalendar->subresourceIdentifier( incidence );
      if ( subRes.isEmpty() ) {
        return resourceCalendar->resourceName();
      } else {
        return resourceCalendar->labelForSubresource( subRes );
      }
    }
    return resourceCalendar->resourceName();
  }

  return TQString();
}

static TQString secs2Duration( int secs )
{
  TQString tmp;
  int days = secs / 86400;
  if ( days > 0 ) {
    tmp += i18n( "1 day", "%n days", days );
    tmp += ' ';
    secs -= ( days * 86400 );
  }
  int hours = secs / 3600;
  if ( hours > 0 ) {
    tmp += i18n( "1 hour", "%n hours", hours );
    tmp += ' ';
    secs -= ( hours * 3600 );
  }
  int mins = secs / 60;
  if ( mins > 0 ) {
    tmp += i18n( "1 minute", "%n minutes",  mins );
  }
  return tmp;
}

TQString IncidenceFormatter::durationString( Incidence *incidence )
{
  TQString tmp;
  if ( incidence->type() == "Event" ) {
    Event *event = static_cast<Event *>( incidence );
    if ( event->hasEndDate() ) {
      if ( !event->doesFloat() ) {
        tmp = secs2Duration( event->dtStart().secsTo( event->dtEnd() ) );
      } else {
        tmp = i18n( "1 day", "%n days",
                    event->dtStart().date().daysTo( event->dtEnd().date() ) + 1 );
      }
    } else {
      tmp = i18n( "forever" );
    }
  } else if ( incidence->type() == "Todo" ) {
    Todo *todo = static_cast<Todo *>( incidence );
    if ( todo->hasDueDate() ) {
      if ( todo->hasStartDate() ) {
        if ( !todo->doesFloat() ) {
          tmp = secs2Duration( todo->dtStart().secsTo( todo->dtDue() ) );
        } else {
          tmp = i18n( "1 day", "%n days",
                      todo->dtStart().date().daysTo( todo->dtDue().date() ) + 1 );
        }
      }
    }
  }
  return tmp;
}

TQStringList IncidenceFormatter::reminderStringList( Incidence *incidence, bool shortfmt )
{
  //TODO: implement shortfmt=false
  Q_UNUSED( shortfmt );

  TQStringList reminderStringList;

  if ( incidence ) {
    Alarm::List alarms = incidence->alarms();
    Alarm::List::ConstIterator it;
    for ( it = alarms.begin(); it != alarms.end(); ++it ) {
      Alarm *alarm = *it;
      int offset = 0;
      TQString remStr, atStr, offsetStr;
      if ( alarm->hasTime() ) {
        offset = 0;
        if ( alarm->time().isValid() ) {
          atStr = KGlobal::locale()->formatDateTime( alarm->time() );
        }
      } else if ( alarm->hasStartOffset() ) {
        offset = alarm->startOffset().asSeconds();
        if ( offset < 0 ) {
          offset = -offset;
          offsetStr = i18n( "N days/hours/minutes before the start datetime",
                            "%1 before the start" );
        } else if ( offset > 0 ) {
          offsetStr = i18n( "N days/hours/minutes after the start datetime",
                            "%1 after the start" );
        } else { //offset is 0
          if ( incidence->dtStart().isValid() ) {
            atStr = KGlobal::locale()->formatDateTime( incidence->dtStart() );
          }
        }
      } else if ( alarm->hasEndOffset() ) {
        offset = alarm->endOffset().asSeconds();
        if ( offset < 0 ) {
          offset = -offset;
          if ( incidence->type() == "Todo" ) {
            offsetStr = i18n( "N days/hours/minutes before the due datetime",
                              "%1 before the to-do is due" );
          } else {
            offsetStr = i18n( "N days/hours/minutes before the end datetime",
                              "%1 before the end" );
          }
        } else if ( offset > 0 ) {
          if ( incidence->type() == "Todo" ) {
            offsetStr = i18n( "N days/hours/minutes after the due datetime",
                              "%1 after the to-do is due" );
          } else {
            offsetStr = i18n( "N days/hours/minutes after the end datetime",
                              "%1 after the end" );
          }
        } else { //offset is 0
          if ( incidence->type() == "Todo" ) {
            Todo *t = static_cast<Todo *>( incidence );
            if ( t->dtDue().isValid() ) {
              atStr = KGlobal::locale()->formatDateTime( t->dtDue() );
            }
          } else {
            Event *e = static_cast<Event *>( incidence );
            if ( e->dtEnd().isValid() ) {
              atStr = KGlobal::locale()->formatDateTime( e->dtEnd() );
            }
          }
        }
      }
      if ( offset == 0 ) {
        if ( !atStr.isEmpty() ) {
          remStr = i18n( "reminder occurs at datetime", "at %1" ).tqarg( atStr );
        }
      } else {
        remStr = offsetStr.tqarg( secs2Duration( offset ) );
      }

      if ( alarm->repeatCount() > 0 ) {
        TQString countStr = i18n( "repeats once", "repeats %n times", alarm->repeatCount() );
        TQString intervalStr = i18n( "interval is N days/hours/minutes", "interval is %1" ).
                              tqarg( secs2Duration( alarm->snoozeTime().asSeconds() ) );
        TQString repeatStr = i18n( "(repeat string, interval string)", "(%1, %2)" ).
                            tqarg( countStr, intervalStr );
        remStr = remStr + ' ' + repeatStr;

      }
      reminderStringList << remStr;
    }
  }

  return reminderStringList;
}