src/app/qgsclipboard.h

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/***************************************************************************
      qgsclipboard.h  -  QGIS internal clipboard for storage of features
      ------------------------------------------------------------------
    begin                : 20 May, 2005
    copyright            : (C) 2005 by Brendan Morley
    email                : morb at ozemail dot com dot au
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

/* $Id: qgsclipboard.h 9551 2008-10-27 17:35:28Z homann $ */

#ifndef QGSCLIPBOARD_H
#define QGSCLIPBOARD_H

#include <QList>
#include <QMap>

#include "qgsfield.h"
#include "qgsfeature.h"


class QgsClipboard
{


  public:


    QgsClipboard();

    virtual ~QgsClipboard();

    /*
     *  Place a copy of features on the internal clipboard,
     *  destroying the previous contents.
     */
    void replaceWithCopyOf( const QgsFieldMap& fields, QgsFeatureList& features );

    /*
     *  Returns a copy of features on the internal clipboard,
     *  the caller assumes responsibility fot destroying the contents
     *  when it's done with it.
     */
    QgsFeatureList copyOf();

    /*
     *  Clears the internal clipboard.
     */
    void clear();

    /*
     *  Inserts a copy of the feature on the internal clipboard.
     */
    void insert( QgsFeature& feature );


    /*
     *  Returns true if the internal clipboard is empty, else false.
     */
    bool empty();

  private:

    QgsFeatureList mFeatureClipboard;

};

#endif

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