void KOrganizerPlugin::processDropEvent( QDropEvent *event )
{
  const QMimeData *md = event->mimeData();
  if ( KPIM::KVCardDrag::canDecode( md ) ) {
    KABC::Addressee::List contacts;

    KPIM::KVCardDrag::fromMimeData( md, contacts );

    KABC::Addressee::List::Iterator it;

    QStringList attendees;
    for ( it = contacts.begin(); it != contacts.end(); ++it ) {
      QString email = (*it).fullEmail();
      if ( email.isEmpty() ) {
        attendees.append( (*it).realName() + "<>" );
      } else {
        attendees.append( email );
      }
    }

    interface()->openEventEditor( i18nc( "@item", "Meeting" ),
                                  QString(), QStringList(), attendees );
    return;
  }

  if ( KCal::ICalDrag::canDecode( event->mimeData() ) ) {
      KCal::CalendarLocal cal( KSystemTimeZones::local() );
      if ( KCal::ICalDrag::fromMimeData( event->mimeData(), &cal ) ) {
          KCal::Incidence::List incidences = cal.incidences();
          Q_ASSERT( incidences.count() );
          if ( !incidences.isEmpty() ) {
              event->accept();
              KCal::Incidence *i = incidences.first();
              QString summary;
              if ( dynamic_cast<KCal::Journal*>( i ) ) {
                summary = i18nc( "@item", "Note: %1", i->summary() );
              } else {
                summary = i->summary();
              }
              interface()->openEventEditor( summary, i->description(), QStringList() );
              return;
          }
      // else fall through to text decoding
      }
  }

  if ( md->hasText() ) {
    QString text = md->text();
    kDebug() << "DROP:" << text;
    interface()->openEventEditor( text );
    return;
  }

  if ( KPIM::MailList::canDecode( md ) ) {
    KPIM::MailList mails = KPIM::MailList::fromMimeData( md );
    event->accept();
    if ( mails.count() != 1 ) {
      KMessageBox::sorry(
        core(),
        i18nc( "@info", "Dropping multiple mails is not supported." ) );
    } else {
      KPIM::MailSummary mail = mails.first();
      QString txt = i18nc( "@item", "From: %1\nTo: %2\nSubject: %3",
                          mail.from(), mail.to(), mail.subject() );

      KTemporaryFile tf;
      tf.setAutoRemove( true );
      tf.open();
      QString uri = KDEPIMPROTOCOL_EMAIL + QString::number( mail.serialNumber() );
      tf.write( event->encodedData( "message/rfc822" ) );
      interface()->openEventEditor(
        i18nc( "@item", "Mail: %1", mail.subject() ), txt,
        uri, tf.fileName(), QStringList(), "message/rfc822" );
      tf.close();
    }
    return;
  }

  kWarning() << QString( "Cannot handle drop events of type '%1'." ).arg( event->format() );
}