/****************************************************************************
 ** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB.  All rights reserved.
 **
 ** This file is part of the KD Gantt library.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** Licensees holding valid commercial KD Gantt licenses may use this file in
 ** accordance with the KD Gantt Commercial License Agreement provided with
 ** the Software.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.kdab.net/kdgantt for
 **   information about KD Gantt Commercial License Agreements.
 **
 ** Contact info@kdab.net if any conditions of this
 ** licensing are not clear to you.
 **
 **********************************************************************/
#ifndef KDGANTTCONSTRAINT_P_H
#define KDGANTTCONSTRAINT_P_H

#include <QSharedData>
#include <QPersistentModelIndex>
#include <QMap>

#include "kdganttconstraint.h"

namespace KDGantt {
    class Constraint::Private : public QSharedData {
    public:
        Private();
        Private( const Private& other );

        inline bool equals( const Private& other ) const {
	    /* Due to a Qt bug we have to check separately for invalid indexes */
            return (start==other.start || (!start.isValid() && !other.start.isValid())) 
		&& (end==other.end || (!end.isValid() && !other.end.isValid())) 
		&& type==other.type
        && data==other.data;
        }

        QPersistentModelIndex start;
        QPersistentModelIndex end;
        Type type;
        QMap< int, QVariant > data;
    };
}

#endif /* KDGANTTCONSTRAINT_P_H */