bayesGame.ui.transformers.BayesNodeProbabilityToGridTransformer.java Source code

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Here is the source code for bayesGame.ui.transformers.BayesNodeProbabilityToGridTransformer.java

Source

/**
 *    Copyright 2014 Kaj Sotala
    
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
    
   http://www.apache.org/licenses/LICENSE-2.0
    
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */

package bayesGame.ui.transformers;

import java.awt.Color;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.util.List;

import javax.swing.Icon;
import javax.swing.ImageIcon;

import org.apache.commons.collections15.Transformer;
import org.apache.commons.math3.fraction.Fraction;

import bayesGame.BayesGame;
import bayesGame.bayesbayes.BayesNet;
import bayesGame.bayesbayes.BayesNode;
import bayesGame.ui.painter.AndNodePainter;
import bayesGame.ui.painter.BayesPainter;
import bayesGame.ui.painter.DetNOTAnd;
import bayesGame.ui.painter.GridPainter;
import bayesGame.ui.painter.IsNodePainter;
import bayesGame.ui.painter.NodePainter;
import bayesGame.ui.painter.NotNodePainter;
import bayesGame.ui.painter.OrNodePainter;
import bayesGame.ui.painter.PriorPainter;

public class BayesNodeProbabilityToGridTransformer implements Transformer<BayesNode, Icon> {

    private final int squaresize = 10;
    private final int columns = 10;
    private final int rows = 2;

    private BayesNet net;

    public BayesNodeProbabilityToGridTransformer(BayesNet bayesNet) {
        net = bayesNet;
    }

    @Override
    public Icon transform(BayesNode node) {
        Fraction probability = node.getProbability();
        double cells = probability.percentageValue();

        Image grid;
        Color trueColor = BayesGame.trueColor;
        Color falseColor = BayesGame.falseColor;

        boolean hiddennode = node.hasProperty("hidden");
        boolean targetnode = node.hasProperty("target");

        if (node.hasProperty("misguessed")) {
            trueColor = Color.GRAY;
            falseColor = Color.BLACK;
        }

        // TODO: indicate target nodes somehow

        if (node.cptName == null) {
            node.cptName = "";
        }

        if (node.cptName.equals("DetIS")) {
            grid = new IsNodePainter().paintPercentage(cells, trueColor, falseColor, rows, columns, squaresize);
        } else if (node.cptName.equals("DetNOT")) {
            grid = new NotNodePainter().paintPercentage(cells, trueColor, falseColor, rows, columns, squaresize);
        } else if (node.cptName.equals("Prior")) {
            grid = PriorPainter.paintPercentage(cells, trueColor, falseColor, rows, columns, squaresize);
        } else if (node.cptName.equals("DetOR")) {
            List<Object> parentTypeList = net.getParents(node.type);
            Fraction parentNode1Probability = net.getProbability(parentTypeList.get(0));
            Fraction parentNode2Probability = net.getProbability(parentTypeList.get(1));
            grid = OrNodePainter.paintPercentage(trueColor, falseColor, (int) (rows * squaresize * 3.5), squaresize,
                    node, parentNode1Probability, parentNode2Probability);
        } else if (node.cptName.equals("DetAND")) {
            List<Object> parentTypeList = net.getParents(node.type);
            Fraction parentNode1Probability = net.getProbability(parentTypeList.get(0));
            Fraction parentNode2Probability = net.getProbability(parentTypeList.get(1));
            grid = AndNodePainter.paintPercentage(trueColor, falseColor, (int) (rows * squaresize * 3.5),
                    squaresize, node, parentNode1Probability, parentNode2Probability);
        } else if (node.cptName.equals("DetNOTAnd")) {
            grid = DetNOTAnd.paintPercentage(cells, trueColor, falseColor, rows, columns, squaresize, node);
        } else if (node.cptName.equals("Bayes")) {
            List<Object> parentTypeList = net.getParents(node.type);
            Fraction parentNodeProbability = net.getProbability(parentTypeList.get(0));
            grid = BayesPainter.paintPercentage(cells, trueColor, falseColor, rows, columns, squaresize, node,
                    parentNodeProbability);
        }

        else {
            grid = GridPainter.paintPercentage(cells, trueColor, falseColor, rows, columns, squaresize);
        }

        if (hiddennode) {
            grid = NodePainter.getBorders((BufferedImage) grid, Color.BLACK);
        } else if (!node.isObserved()) {
            grid = NodePainter.getBorders((BufferedImage) grid, Color.GRAY);
        }

        int x_size = grid.getHeight(null);
        double size_multiplier = 0.7;
        int new_x_size = (int) (x_size * size_multiplier);

        ImageIcon icon = new ImageIcon(grid.getScaledInstance(-1, new_x_size, Image.SCALE_SMOOTH));

        // ImageIcon icon = new ImageIcon(grid);

        return icon;
    }

}