/****************************************************************************

** 

**

** Definition of base class for all collection classes

**

** Created : 920629

**

** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.

**

** This file is part of the tools module of the Qt GUI Toolkit.

**

** This file may be distributed under the terms of the Q Public License

** as defined by Trolltech AS of Norway and appearing in the file

** LICENSE.QPL included in the packaging of this file.

**

** 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 Qt Enterprise Edition or Qt Professional Edition

** licenses may use this file in accordance with the Qt Commercial License

** Agreement provided with the Software.

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** See http://www.trolltech.com/qpl/ for QPL licensing information.

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**********************************************************************/

#ifndef QCOLLECTION_H

#define QCOLLECTION_H

#ifndef QT_H

#include "qglobal.h"

#endif // QT_H

class QGVector;

class QGList;

class QGDict;

class Q_EXPORT QCollection			// inherited by all collections

{

public:

    bool autoDelete()	const	       { return del_item; }

    void setAutoDelete( bool enable )  { del_item = enable; }

    virtual uint  count() const = 0;

    virtual void  clear() = 0;			// delete all objects

    typedef void *Item;				// generic collection item

protected:

    QCollection() { del_item = FALSE; }		// no deletion of objects

    QCollection(const QCollection &) { del_item = FALSE; }

    virtual ~QCollection() {}

    bool del_item;				// default FALSE

    virtual Item     newItem( Item );		// create object

    virtual void     deleteItem( Item );	// delete object

};

#endif // QCOLLECTION_H