ForceLayoutModule.h

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/*
 * $Revision: 2299 $
 *
 * last checkin:
 *   $Author: gutwenger $
 *   $Date: 2012-05-07 15:57:08 +0200 (Mon, 07 May 2012) $
 ***************************************************************/

#ifdef _MSC_VER
#pragma once
#endif

#ifndef OGDF_FORCE_LAYOUT_MODULE_H
#define OGDF_FORCE_LAYOUT_MODULE_H



#include <ogdf/basic/GraphAttributes.h>
#include <ogdf/module/LayoutModule.h>
#include <ogdf/internal/energybased/MultilevelGraph.h>

namespace ogdf {


class OGDF_EXPORT ForceLayoutModule : public LayoutModule {
    // holds index of the current level in multilevel hierarchy
    int m_currentLevel; 
public:
    ForceLayoutModule() { }

    virtual ~ForceLayoutModule() { }
virtual void call(GraphAttributes &GA) = 0;
    virtual void call(MultilevelGraph &MLG) {
                m_currentLevel = MLG.getLevel();
        GraphAttributes GA(MLG.getGraph());
        MLG.exportAttributesSimple(GA);
        call(GA);
        MLG.importAttributesSimple(GA);
    };

    OGDF_MALLOC_NEW_DELETE
};


} // end namespace ogdf


#endif