final JFileChooser embeddedEditor = (JFileChooser)m_fileEditor.getCustomEditor();
embeddedEditor.setFileSelectionMode(JFileChooser.FILES_ONLY);
ExtensionFileFilter ff =
new ExtensionFileFilter(".model", "Serialized Weka classifier (*.model)");
embeddedEditor.addChoosableFileFilter(ff);
m_browseBut = new JButton("Browse...");
m_browseBut.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {