File: OGDFDominance.cpp

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/**
 *
 * This file is part of Tulip (www.tulip-software.org)
 *
 * Authors: David Auber and the Tulip development Team
 * from LaBRI, University of Bordeaux
 *
 * Tulip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * Tulip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 */
#include <ogdf/upward/DominanceLayout.h>
#include "tulip2ogdf/OGDFLayoutPluginBase.h"
#include <tulip/ConnectedTest.h>

// comments below have been extracted from OGDF/src/upward/DominanceLayout.cpp
/** \addtogroup layout */

/// An implementation of dominance layout algorithm.
/**
 *
 * \author Hoi-Ming Wong and Carsten Gutwenger
 *
 * \par License:
 * This is part of the Open Graph Drawing Framework (OGDF).
 *
 * Copyright (C). All rights reserved.
 * See README.txt in the root directory of the OGDF installation for details.
 *
 * \par
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * Version 2 or 3 as published by the Free Software Foundation
 * and appearing in the files LICENSE_GPL_v2.txt and
 * LICENSE_GPL_v3.txt included in the packaging of this file.
 *
 * \par
 * In addition, as a special exception, you have permission to link
 * this software with the libraries of the COIN-OR Osi project
 * (http://www.coin-or.org/projects/Osi.xml), all libraries required
 * by Osi, and all LP-solver libraries directly supported by the
 * COIN-OR Osi project, and distribute executables, as long as
 * you follow the requirements of the GNU General Public License
 * in regard to all of the software in the executable aside from these
 * third-party libraries.
 *
 * \par
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * \par
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * \see  http://www.gnu.org/copyleft/gpl.html
 ***************************************************************/
class OGDFDominance : public OGDFLayoutPluginBase {

public:
  PLUGININFORMATION("Dominance (OGDF)","Hoi-Ming Wong","12/11/2007","Implements a simple upward drawing algorithm based on dominance drawings of st-digraphs.","1.0","Hierarchical")
  OGDFDominance(const tlp::PluginContext* context) :OGDFLayoutPluginBase(context, new ogdf::DominanceLayout()) {
    addInParameter<int>("minimum grid distance",
                        HTML_HELP_OPEN()
                        HTML_HELP_DEF( "type", "int" )
                        HTML_HELP_BODY()
                        "The minimum grid distance."
                        HTML_HELP_CLOSE(),
                        "1");
    addInParameter<bool>("transpose",
                         HTML_HELP_OPEN()
                         HTML_HELP_DEF( "type", "bool" )
                         HTML_HELP_BODY()
                         "The parameter for transposing the layout vertically ."
                         HTML_HELP_CLOSE(),
                         "false");
  }
  ~OGDFDominance() {}

  bool check(string& error) {
    if (!tlp::ConnectedTest::isConnected(graph)) {
      error += "graph is not connected";
      return false;
    }

    return true;
  }

  void beforeCall() {
    ogdf::DominanceLayout *dominance = static_cast<ogdf::DominanceLayout*>(ogdfLayoutAlgo);

    if (dataSet != NULL) {
      int ival = 0;

      if (dataSet->get("minimum grid distance", ival))
        dominance->setMinGridDistance(ival);
    }
  }

  void afterCall() {
    if (dataSet != NULL) {
      bool bval = false;

      if (dataSet->get("transpose", bval)) {
        if (bval) {
          transposeLayoutVertically();
        }
      }
    }
  }

};


PLUGIN(OGDFDominance)