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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/misclayout/BalloonLayout.h>
#include <ogdf/packing/ComponentSplitterLayout.h>
#include "tulip2ogdf/OGDFLayoutPluginBase.h"
// comments below have been extracted from OGDF/src/misclayout/BallonLayout.cpp
/** \addtogroup layout */
/// Layout for trees that can also be applied to general graphs.
/**
*
* It is partially based on the papers by Lin/Yen and Carriere/Kazman
*
* \author Karsten Klein
*
* \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 OGDFBalloon : public OGDFLayoutPluginBase {
public:
PLUGININFORMATION("Balloon (OGDF)","Karsten Klein","13/11/2007",
"Computes a radial (balloon) layout based on a spanning tree.<br/>The algorithm is partially based on the paper <b>On Balloon Drawings of Rooted Trees</b> by Lin and Yen and on <b>Interacting with Huge Hierarchies: Beyond Cone Trees</b> by Carriere and Kazman. ","1.4","Hierarchical")
OGDFBalloon(const tlp::PluginContext* context) :OGDFLayoutPluginBase(context, new ogdf::ComponentSplitterLayout()), balloon(new ogdf::BalloonLayout()) {
addInParameter<bool> ("Even angles",
HTML_HELP_OPEN()
HTML_HELP_DEF( "type", "bool" )
HTML_HELP_BODY()
"Subtrees may be assigned even angles or angles depending on their size."
HTML_HELP_CLOSE(),
"false", false);
ogdf::ComponentSplitterLayout *csl = reinterpret_cast<ogdf::ComponentSplitterLayout*>(ogdfLayoutAlgo);
// ComponentSplitterLayout takes ownership of the BalloonLayout instance
csl->setLayoutModule(balloon);
}
~OGDFBalloon() {}
void beforeCall() {
if (dataSet != NULL) {
bool val = false;
if (dataSet->get("Even angles", val))
balloon->setEvenAngles(val);
}
}
private:
ogdf::BalloonLayout *balloon;
};
PLUGIN(OGDFBalloon)
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