/**
* Copyright (c) 2013, Institute of Information Systems (Sven Groppe and contributors of LUPOSDATE), University of Luebeck
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* - Neither the name of the University of Luebeck nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package lupos.gui.operatorgraph.arrange;
import java.util.HashMap;
import java.util.Random;
import lupos.gui.operatorgraph.GraphBox;
import lupos.gui.operatorgraph.OperatorGraph;
import lupos.gui.operatorgraph.graphwrapper.GraphWrapper;
import lupos.misc.Tuple;
/**
* The class RndLayout implements a Random - Layout
* which is used in the LUPOSDATE- Project
*
* @author Tobias Bielfeld
*
*/
public class RndmLayout {
public static void arrange(final OperatorGraph operatorgraph){
//long time1 = System.currentTimeMillis();
Tuple<Double, Double> avgSizes = GraphHelper.getAvgSizesOfBoxes(operatorgraph);
HashMap <GraphWrapper, GraphBox> boxes = operatorgraph.getBoxes();
final double sqrt_size = Math.sqrt(boxes.size());
int field_width = (int) Math.ceil(sqrt_size * (avgSizes.getFirst()+operatorgraph.SPACING_X));
int field_height = (int) Math.ceil(sqrt_size * (avgSizes.getSecond()+operatorgraph.SPACING_Y));
Random rnd = new Random();
for(GraphWrapper gw : boxes.keySet()) {
GraphBox box = boxes.get(gw);
// Get some random positions
int x = rnd.nextInt(field_width);
int y = rnd.nextInt(field_height);
box.setXWithoutUpdatingParentsSize(x);
box.setYWithoutUpdatingParentsSize(y);
}
//time1 = System.currentTimeMillis() - time1;
//System.out.println("Laufzeit = " + time1 + " ms");
}
}