attributefilecelleditor.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.Yale;
import edu.udo.cs.yale.operator.Operator;
import edu.udo.cs.yale.operator.parameter.ParameterTypeAttributeFile;

import java.io.File;
import javax.swing.JButton;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class AttributeFileCellEditor extends FileCellEditor {

    private Operator exampleSource;

    public AttributeFileCellEditor(ParameterTypeAttributeFile type, Operator exampleSource) {
	super(type);
	this.exampleSource = exampleSource;
	JButton button = new JButton("Edit");
	button.setMargin(new Insets(0,0,0,0));
	button.addActionListener(new ActionListener() {
		public void actionPerformed(ActionEvent e) {
		    buttonPressed();
		}
	    });
	button.setToolTipText("Edit attribute file.");
	addButton(button, GridBagConstraints.RELATIVE);

	addButton(createFileChooserButton(), GridBagConstraints.REMAINDER);
    }

    private void buttonPressed() {
	Object value = getCellEditorValue();
	File file = value == null ? null : Yale.getExperiment().resolveFileName(value.toString());
	AttributeEditorDialog dialog = new AttributeEditorDialog(YaleGUI.getMainFrame(), exampleSource, file);
	dialog.show();
	setText(dialog.getFile());
	fireEditingStopped();
    }
}