HierarchyLayoutModule.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_HIER_LAYOUT_MODULE_H
#define OGDF_HIER_LAYOUT_MODULE_H



#include <ogdf/layered/Hierarchy.h>
#include <ogdf/basic/GraphCopyAttributes.h>


namespace ogdf {


class OGDF_EXPORT HierarchyLayoutModule {
public:
    HierarchyLayoutModule() { }

    virtual ~HierarchyLayoutModule() { }

    void call(const Hierarchy& H, GraphAttributes &AG) {
        GraphCopyAttributes AGC(H,AG);
        doCall(H,AGC);      
        AGC.transform();
    }

    //void call(Hierarchy& H, GraphAttributes &AG) {
    //  GraphCopyAttributes AGC(H,AG);
    //  doCall(H,AGC);
    //  HierarchyLayoutModule::dynLayerDistance(AGC, H);
    //  HierarchyLayoutModule::addBends(AGC, H);
    //  AGC.transform();
    //}


    //void call(const Hierarchy& H, GraphAttributes &, GraphCopyAttributes &AGC) {      
    //  doCall(H,AGC);
    //}


    static void addBends(GraphCopyAttributes &AGC, Hierarchy &H);

    static void dynLayerDistance(GraphCopyAttributes &AGC, Hierarchy &H);

private:
    
    static void overlap(GraphCopyAttributes &AGC, Hierarchy &H, node s, node t, int i, int &ci, int &cj);
    
protected:
    virtual void doCall(const Hierarchy& H, GraphCopyAttributes &AGC) = 0;

    OGDF_MALLOC_NEW_DELETE

};


} // end namespace ogdf


#endif