/* This file is part of the Joshua Machine Translation System.
*
* Joshua 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 2.1
* of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
package joshua.ui.alignment_visualizer;
import edu.uci.ics.jung.algorithms.layout.*;
import edu.uci.ics.jung.graph.*;
import org.apache.commons.collections15.Transformer;
import org.apache.commons.collections15.TransformerUtils;
import java.util.HashMap;
import java.awt.geom.*;
public class WordAlignmentLayout extends StaticLayout<Word,Integer> {
private WordAlignmentLayout(Graph<Word,Integer> g, Transformer<Word,Point2D> vp)
{
super(g, vp);
}
public static WordAlignmentLayout makeWordAlignmentLayout(Graph<Word,Integer> g, double height, double spacing)
{
Transformer<Word,Point2D> vp = calculateInitializer(g, height, spacing);
return new WordAlignmentLayout(g, vp);
}
private static Transformer<Word,Point2D> calculateInitializer(Graph<Word,Integer> g, double height, double spacing)
{
HashMap<Word,Point2D> map = new HashMap<Word,Point2D>();
for (Word w : g.getVertices()) {
double x, y;
if (w.isSource())
y = 0.0;
else
y = height;
x = spacing * w.position();
map.put(w, new Point2D.Double(x, y));
}
return TransformerUtils.mapTransformer(map);
}
}