/*
  This file is part of KOrganizer.

  Copyright (C) 2004 Reinhold Kainhofer <reinhold@kainhofer.com>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program 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 General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

  As a special exception, permission is given to link this program
  with any edition of Qt, and distribute the resulting executable,
  without including the source code for Qt in the source distribution.
*/
#ifndef INCIDENCECHANGER_H
#define INCIDENCECHANGER_H

#include "korganizer/incidencechangerbase.h"
#include "korganizer_export.h"

class KORGANIZERPRIVATE_EXPORT IncidenceChanger : public KOrg::IncidenceChangerBase
{
  Q_OBJECT
  public:
    IncidenceChanger( Calendar *cal, QObject *parent ) : IncidenceChangerBase( cal, parent ) {}
    ~IncidenceChanger() {}

    bool beginChange( Incidence *incidence );
    bool sendGroupwareMessage( Incidence *incidence,
                               KCal::iTIPMethod method,
                               KOGlobals::HowChanged action,
                               QWidget *parent );
    bool endChange( Incidence *incidence );

    bool addIncidence( Incidence *incidence, QWidget *parent );
    bool changeIncidence( Incidence *oldinc, Incidence *newinc,
                          KOGlobals::WhatChanged, QWidget *parent );
    bool deleteIncidence( Incidence *incidence, QWidget *parent );

    bool cutIncidence( Incidence *incidence, QWidget *parent );
    static bool incidencesEqual( Incidence *inc1, Incidence *inc2 );
    static bool assignIncidence( Incidence *inc1, Incidence *inc2 );

  public slots:
    void cancelAttendees( Incidence *incidence );

  protected:
    bool myAttendeeStatusChanged( Incidence *newInc, Incidence *oldInc );

  private:
    class ComparisonVisitor;
};

#endif
