resultdisplay.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.Statistics;
import edu.udo.cs.yale.operator.Operator;
import edu.udo.cs.yale.operator.ResultObject;
import edu.udo.cs.yale.operator.IOContainer;
import edu.udo.cs.yale.operator.MissingIOObjectException;
import edu.udo.cs.yale.tools.Tools;

import javax.swing.JComponent;
import javax.swing.JTabbedPane;
import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.BorderFactory;
import javax.swing.JScrollPane;
import javax.swing.JLabel;
import javax.swing.Action;
import javax.swing.JButton;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Collection;
import java.util.List;
import java.util.LinkedList;
import java.util.Iterator;

public class ResultDisplay extends JPanel implements ExperimentEditor {

    private int size;
    private List results;
    private JTabbedPane tabs = new JTabbedPane(JTabbedPane.RIGHT);
    private JLabel label = new JLabel("Results");;
    private Collection statistics = new LinkedList();

    public ResultDisplay() {
	super(new BorderLayout());
	add(tabs, BorderLayout.CENTER);
	add(label, BorderLayout.NORTH);
	setData(null, "Results");
    }

    public void clear() {
	tabs.removeAll();
	setStatistics(new LinkedList());
	setData(null, null);
	repaint();
    }

    public void setStatistics(Collection statistics) {
	this.statistics = statistics;
	addStatistics();
    }

    private void addStatistics() {
	Iterator i = statistics.iterator();
	while (i.hasNext()) {
	    Statistics stats = (Statistics)i.next();
	    tabs.addTab(stats.getName(), 
			new PlotterPanel(stats));
	}
    }

    public void setData(IOContainer results, String message) {
	int selectedIndex = tabs.getSelectedIndex();

	//tabs.removeAll();
	for (int i = tabs.getTabCount()-1; i >= 0; i--) {
	    Component c = tabs.getComponentAt(i);
	    if (!(c instanceof PlotterPanel)) {
		tabs.removeTabAt(i);
	    }
	}

	label.setText(message);

	//addStatistics();

	this.results = convertToList(results);
	if (this.results.size() > 0) {
	    Iterator i = this.results.iterator();
	    while (i.hasNext()) {
		ResultObject result = (ResultObject)i.next();

		JPanel resultPanel = new JPanel(new BorderLayout());
		Component visualisationComponent = result.getVisualisationComponent();
		JScrollPane scrollPane = new JScrollPane(visualisationComponent);
		resultPanel.putClientProperty("main.component", visualisationComponent);
		resultPanel.add(scrollPane, BorderLayout.CENTER);
		JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
		Iterator action = result.getActions().iterator();
		while (action.hasNext()) {
		    buttonPanel.add(new JButton((Action)action.next()));
		}
		resultPanel.add(buttonPanel, BorderLayout.SOUTH);
		tabs.addTab(result.getName(), resultPanel);
	    }
	} else {
	    label.setText("No results produced.");
	}

	if (selectedIndex < tabs.getTabCount()) {
	    tabs.setSelectedIndex(selectedIndex);
	} else {
	    if (tabs.getTabCount() > 0) 
		tabs.setSelectedIndex(0);
	}
    }

    public static JDialog createDialog(IOContainer results, Component parent, List additionalButtons) {
	final JDialog dialog = new JDialog();
	dialog.setTitle("Experiment results");
	dialog.setModal(false);
	ResultDisplay display = new ResultDisplay();
	display.setData(results, "Results:");

	if (display.size != 0) {
	    display.setBorder(BorderFactory.createEmptyBorder(11,11,11,11));
	    dialog.getContentPane().add(display, BorderLayout.CENTER);
	} else {
	    dialog.getContentPane().add(new JLabel("No results produced."), BorderLayout.CENTER);
	}
	JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));

	if (additionalButtons != null) {
	    Iterator i = additionalButtons.iterator();
	    while (i.hasNext()) {
		JButton button = (JButton)i.next();
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
			    dialog.dispose();
			}
		    });
		buttonPanel.add(button);
	    }
	}

	JButton close = new JButton("Close");
	close.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    dialog.dispose();
		}
	    });
	buttonPanel.add(close);
	dialog.getContentPane().add(buttonPanel, BorderLayout.SOUTH);
	
	dialog.pack();
	dialog.setLocationRelativeTo(parent);
	return dialog;
    }


    private static List convertToList(IOContainer container) {
	List list = new LinkedList();
	if (container != null) {
	    ResultObject result = null;
	    do {
		try {
 		    result = (ResultObject)container.getInput(ResultObject.class, list.size(), false);
		    list.add(result);
		} catch (MissingIOObjectException e) {
		    break;
		}
	    } while (result != null);
	}
	return list;
    }

    public void experimentChanged(Operator operator) {}

    public void validateExperiment() throws Exception {}

    public Component getMainComponent() {
	JComponent c = (JComponent)tabs.getSelectedComponent();
	Component main = (Component)c.getClientProperty("main.component");
	if (main != null) return main;
	else return c;
    }

    public void showSomething() {
	if (tabs.getSelectedIndex() == -1)
	    if (tabs.getTabCount() > 0)
		tabs.setSelectedIndex(0);
    }
}