treepanel.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 edu.udo.cs.yale.tools.Tools;

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

/** Displays the operator tree and a property table in a SplitPane. */
public class TreePanel extends JSplitPane implements ExperimentEditor {

    private OperatorTree operatorTree;
    private OperatorPropertyTable propertyTable;

    public TreePanel(MainFrame mainFrame) {
	super(HORIZONTAL_SPLIT);
	operatorTree  = new OperatorTree(mainFrame);
	propertyTable = new OperatorPropertyTable(mainFrame);

	JPanel moveOperatorPanel = new JPanel(new BorderLayout());
	JScrollPane treeScrollPane = new JScrollPane(operatorTree);
	moveOperatorPanel.add(treeScrollPane, BorderLayout.CENTER);
	Dimension treeMin = operatorTree.getMinimumSize();
	treeScrollPane.setPreferredSize(new Dimension((int)treeMin.getWidth(), (int)treeMin.getHeight()));

	JPanel buttonPanel = new JPanel(new GridLayout(1,4));

	JButton downButton = new JButton(new ImageIcon(Tools.getResource("icons/icon_down.gif")));
	downButton.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    operatorTree.moveDown();
		}
	    });
	buttonPanel.add(downButton);
	JButton upButton = new JButton(new ImageIcon(Tools.getResource("icons/icon_up.gif")));
	upButton.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    operatorTree.moveUp();
		}
	    });
	buttonPanel.add(upButton);
	JButton insertButton = new JButton(operatorTree.INSERT_OPERATOR_ACTION);
	insertButton.setText("");
	buttonPanel.add(insertButton);
	JButton deleteButton = new JButton(operatorTree.DELETE_OPERATOR_ACTION);
	deleteButton.setText("");
	buttonPanel.add(deleteButton);

	moveOperatorPanel.add(buttonPanel, BorderLayout.SOUTH);
	add(moveOperatorPanel);
	add(new JScrollPane(propertyTable)); 
    }

    public void experimentChanged(Operator operator) {
	operatorTree.setOperator(operator);
	propertyTable.setOperator(null);
    }

    public Component getMainComponent() {
	return operatorTree;
    }

    public OperatorTree getOperatorTree() {
	return operatorTree;
    }

    public OperatorPropertyTable getPropertyTable() {
	return propertyTable;
    }

    public void validateExperiment() {}
}