calformat.h

/*
    This file is part of libkcal.
 
    Copyright (c) 2001-2003 Cornelius Schumacher <schumacher@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
#ifndef KCAL_CALFORMAT_H
#define KCAL_CALFORMAT_H
 
#include <tqstring.h>
#include <tqdatetime.h>
#include <tqevent.h>
 
#include "exceptions.h"
#include "event.h"
#include "libkcal_export.h"
 
namespace KCal {
 
class VCalDrag;
class Calendar;
 
class LIBKCAL_EXPORT CalFormat
{
  public:
    CalFormat();
    virtual ~CalFormat();
 
    virtual bool load(Calendar *, const TQString &fileName) = 0;
    virtual bool save(Calendar *, const TQString &fileName) = 0;
 
    virtual bool fromString(Calendar *, const TQString & ) = 0;
    virtual TQString toString(Calendar *) = 0;
 
    void clearException();
    ErrorFormat *exception();
 
    static void setApplication(const TQString& app, const TQString& productID);
    static const TQString& application()  { return mApplication; }
    static const TQString& productId()  { return mProductId; }
    const TQString &loadedProductId()  { return mLoadedProductId; }
 
    static TQString createUniqueId();
 
    void setException( ErrorFormat *error );
 
  protected:
    TQString mLoadedProductId;         // PRODID string loaded from calendar file
 
  private:
    ErrorFormat *mException;
 
    static TQString mApplication;      // name of application for unique ID strings
    static TQString mProductId;        // PRODID string to write to calendar files
 
    class Private;
    Private *d;
};
 
}
 
#endif