gnuplotdialog.java

一个很好的LIBSVM的JAVA源码。对于要研究和改进SVM算法的学者。可以参考。来自数据挖掘工具YALE工具包。

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2001-2004
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License as 
 *  published by the Free Software Foundation; either version 2 of the
 *  License, or (at your option) any later version. 
 *
 *  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.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.gui;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class GNUPlotDialog extends JDialog {
    
    private static final String[] LINE_TYPES = {
	"linespoints", "lines", "points", "impulses", "dots",
	"steps", "fsteps", "histeps", "errorbars", "xerrorbars", "yerrorbars",
	"xyerrorbars", "boxes", "boxerrorbars", "boxxyerrorbars", "financebars",
	"candlesticks", "vector"
    };

    private JTextArea freeTextArea   = new JTextArea(8, 30);
    private JTextField titleField    = new JTextField("Created by Yale");
    private JComboBox lineTypes      = new JComboBox(LINE_TYPES);
    private JCheckBox gridCheckBox   = new JCheckBox("Show grid", true);
    private JCheckBox hiddenCheckBox = new JCheckBox("Hidden 3D");
    private JCheckBox logScaleX      = new JCheckBox("Logarithmic scale for X-axis");
    private JCheckBox logScaleY      = new JCheckBox("Logarithmic scale for Y-axis");
    private JCheckBox logScaleZ      = new JCheckBox("Logarithmic scale for Z-axis");

    private Plotter plotter;

    public GNUPlotDialog(Plotter plotter) {
	super(YaleGUI.getMainFrame(), "Gnuplot options", false);
	this.plotter = plotter;
	GridBagLayout gbl = new GridBagLayout();
	GridBagConstraints c = new GridBagConstraints();

	JPanel contents = new JPanel(gbl);

	c.fill = c.BOTH;
	c.weightx = 0;
	c.weighty = 0;
	c.insets = new Insets(5,5,5,5);

	c.gridwidth = c.RELATIVE;
	JLabel label = new JLabel("Title");
	gbl.setConstraints(label, c);
	contents.add(label);

	c.gridwidth = c.REMAINDER;
	c.weightx = 1.0;
	gbl.setConstraints(titleField, c);
	contents.add(titleField);

	c.weightx = 0.0;
	gbl.setConstraints(lineTypes, c);
	contents.add(lineTypes);
	gbl.setConstraints(gridCheckBox, c);
	contents.add(gridCheckBox);
	gbl.setConstraints(hiddenCheckBox, c);
	contents.add(hiddenCheckBox);
	gbl.setConstraints(logScaleX, c);
	contents.add(logScaleX);
	gbl.setConstraints(logScaleY, c);
	contents.add(logScaleY);
	gbl.setConstraints(logScaleZ, c);
	contents.add(logScaleZ);
	
	label = new JLabel("Additional gnuplot commands");
	gbl.setConstraints(label, c);
	contents.add(label);

	c.weightx = 1.0;
	c.weighty = 1.0;
	JScrollPane freeTextAreaPane = new JScrollPane(freeTextArea);
	gbl.setConstraints(freeTextAreaPane, c);
	contents.add(freeTextAreaPane);
	contents.setBorder(BorderFactory.createEmptyBorder(11,11,11,11));

	getContentPane().add(contents, BorderLayout.CENTER);

	JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
	JButton hide = new JButton("Hide");
	buttonPanel.add(hide);
	hide.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    hide();
		}
	    });
	JButton update = new JButton("Update");
	buttonPanel.add(update);
	update.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    GNUPlotDialog.this.plotter.statisticsUpdated(null);
		}
	    });

	getContentPane().add(buttonPanel, BorderLayout.SOUTH);

	pack();
    }

    public String getGNUPlotCommands() {
	StringBuffer buffer = new StringBuffer();
	buffer.append("set title \""+titleField.getText()+"\"\n");
	if (gridCheckBox.isSelected()) buffer.append("set grid\n");
	if (hiddenCheckBox.isSelected()) buffer.append("set hidden3d\n");
	if (logScaleX.isSelected()) buffer.append("set logscale x\n");
	if (logScaleY.isSelected()) buffer.append("set logscale y\n");
	if (logScaleZ.isSelected()) buffer.append("set logscale z\n");
	buffer.append(freeTextArea.getText()+"\n");
	return buffer.toString();
    }
    
    public String getLineType() {
	return LINE_TYPES[lineTypes.getSelectedIndex()];
    }
}