001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.jmathplot;
025    
026    import java.awt.BorderLayout;
027    
028    import org.math.plot.Plot2DPanel;
029    import org.ujmp.core.Matrix;
030    
031    public class JMathPlotBarPanel extends AbstractJMathPlotPanel {
032            private static final long serialVersionUID = 2401771995298762942L;
033    
034            public JMathPlotBarPanel(Matrix matrix) {
035                    super(matrix);
036            }
037    
038            
039            public void repaintUI() {
040                    Matrix matrix = getMatrix();
041                    Plot2DPanel panel = new Plot2DPanel();
042                    for (int c = 0; c < matrix.getColumnCount(); c++) {
043                            double[] y = new double[(int) matrix.getRowCount()];
044                            for (int r = 0; r < matrix.getRowCount(); r++) {
045                                    y[r] = matrix.getAsDouble(r, c);
046                            }
047                            panel.addBarPlot("Column " + c, y);
048                    }
049                    panel.addLegend("SOUTH");
050                    panel.setAxisLabels(new String[] { "Row", "Value" });
051                    setLayout(new BorderLayout());
052                    add(panel, BorderLayout.CENTER);
053                    setPanel(panel);
054                    getParent().repaint();
055            }
056    
057    }