attributeeditordialog.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 edu.udo.cs.yale.operator.Operator;

import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JOptionPane;
import javax.swing.AbstractAction;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JMenu;
import java.awt.event.KeyEvent;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.BorderLayout;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;

/**
 *  @version $Id: AttributeEditorDialog.java,v 2.5 2004/08/27 11:57:33 ingomierswa Exp $
 *
 *  @see edu.udo.cs.yale.gui.AttributeEditor
 */
public class AttributeEditorDialog extends JDialog {

    private AttributeEditor attributeEditor;

    private class OpenAttributeFileAction extends AbstractAction {
	private OpenAttributeFileAction() { 
	    super("Open attribute description file..."); 
   	    putValue(SHORT_DESCRIPTION, "Open an existing XML attribute description file.");
	    putValue(MNEMONIC_KEY, new Integer(KeyEvent.VK_O));
	}
	public void actionPerformed(ActionEvent e) {
	    attributeEditor.openAttributeFile();
	}
    }

    private class SaveAttributeFileAction extends AbstractAction {
	private SaveAttributeFileAction() { 
	    super("Save attribute description file..."); 
   	    putValue(SHORT_DESCRIPTION, "Save current attribute descriptions to XML file.");
	    putValue(MNEMONIC_KEY, new Integer(KeyEvent.VK_S));
	}
	public void actionPerformed(ActionEvent e) {
	    saveAttributes();
	}
    }

    private class LoadDataAction extends AbstractAction {
	private LoadDataAction() { 
	    super("Load data..."); 
   	    putValue(SHORT_DESCRIPTION, "Open data file and append additional columns to table.");
	    putValue(MNEMONIC_KEY, new Integer(KeyEvent.VK_D));
	}
	public void actionPerformed(ActionEvent e) {
	    loadData();
	}
    }

    private class SaveDataAction extends AbstractAction {
	private SaveDataAction() { 
	    super("Save data..."); 
   	    putValue(SHORT_DESCRIPTION, "Save the contents of the table to a single data file.");
	    putValue(MNEMONIC_KEY, new Integer(KeyEvent.VK_V));
	}
	public void actionPerformed(ActionEvent e) {
	    saveData();
	}
    }

    private class ClearAction extends AbstractAction {
	private ClearAction() { 
	    super("Clear"); 
   	    putValue(SHORT_DESCRIPTION, "Clear the table.");
	    putValue(MNEMONIC_KEY, new Integer(KeyEvent.VK_C));
	}
	public void actionPerformed(ActionEvent e) {
	    clear();
	}
    }


    public AttributeEditorDialog(JFrame owner, Operator exampleSource, File file) {
	this(owner, exampleSource);
	if (file != null)
	    attributeEditor.openAttributeFile(file);
    }

    public AttributeEditorDialog(JFrame owner, Operator exampleSource) {
	super(owner, "Attribute Editor", true);
	attributeEditor = new AttributeEditor(exampleSource);

	getContentPane().add(new JScrollPane(attributeEditor), BorderLayout.CENTER);

	JMenuBar menuBar = new JMenuBar();

	JMenu fileMenu = new JMenu("File");
	fileMenu.add(new OpenAttributeFileAction());
	fileMenu.add(new SaveAttributeFileAction());
	fileMenu.add(new LoadDataAction());
	fileMenu.add(new SaveDataAction());
	menuBar.add(fileMenu);
	
	JMenu tableMenu = new JMenu("Table");
	tableMenu.add(attributeEditor.GUESS_TYPE_ACTION);
	tableMenu.add(attributeEditor.REMOVE_COLUMN_ACTION);
  	tableMenu.add(new ClearAction());
	menuBar.add(tableMenu);

	setJMenuBar(menuBar);
	
	pack();
    }

    private void loadData() {
	File file = SwingTools.chooseFile(this, null, true);
	if (file != null) {
	    try {
		attributeEditor.readFile(file);
	    } catch (java.io.IOException e) {
		JOptionPane.showMessageDialog(this, e.toString(), "Error loading "+file, JOptionPane.ERROR_MESSAGE);
	    }
	}
    }

    private void saveAttributes() {
	attributeEditor.saveAttributeFile();
    }

    private void saveData() {
	File file = SwingTools.chooseFile(this, null, false);
	if (file != null) {
	    try {
		attributeEditor.writeData(file);
	    } catch (java.io.IOException e) {
		JOptionPane.showMessageDialog(this, e.toString(), "Error saving data file "+file, JOptionPane.ERROR_MESSAGE);
	    }
	} 
    }

    private void clear() {
	attributeEditor.clear();
    }
    
    public File getFile() {
	return attributeEditor.getFile();
    }

}