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The Waikato Environment for Knowledge Analysis (WEKA), a machine
learning workbench. This version represents the developer version, the
"bleeding edge" of development, you could say. New functionality gets added
to this version.
/*
* 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 3 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, see files) {
try {
String[] currentDirFiles = directory.list();
for (int i = 0; i < currentDirFiles.length; i++) {
currentDirFiles[i] = directory.getCanonicalPath() + File.separator
+ currentDirFiles[i];
File current = new File(currentDirFiles[i]);
if (m_FileChooser.getFileFilter().accept(current)) {
if (current.isDirectory()) {
getFilesRecursively(current, files);
} else {
files.addElement(current);
}
}
}
} catch (Exception e) {
System.err.println("IOError occured when reading list of files");
}
}
/**
* Handle actions when buttons get pressed.
*
* @param e a value of type 'ActionEvent'
*/
@Override
public void actionPerformed(ActionEvent e) {
boolean useRelativePaths = m_relativeCheck.isSelected();
if (e.getSource() == m_AddBut) {
// Let the user select an arff file from a file chooser
int returnVal = m_FileChooser.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
if (m_FileChooser.isMultiSelectionEnabled()) {
File[] selected = m_FileChooser.getSelectedFiles();
for (File element : selected) {
if (element.isDirectory()) {
Vector files = new Vector();
getFilesRecursively(element, files);
// sort the result
Collections.sort(files);
for (int j = 0; j < files.size(); j++) {
File temp = files.elementAt(j);
if (useRelativePaths) {
try {
temp = Utils.convertToRelativePath(temp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
m_Exp.getDatasets().addElement(temp);
}
} else {
File temp = element;
if (useRelativePaths) {
try {
temp = Utils.convertToRelativePath(temp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
m_Exp.getDatasets().addElement(temp);
}
}
setButtons(null);
} else {
if (m_FileChooser.getSelectedFile().isDirectory()) {
Vector files = new Vector();
getFilesRecursively(m_FileChooser.getSelectedFile(), files);
// sort the result
Collections.sort(files);
for (int j = 0; j < files.size(); j++) {
File temp = files.elementAt(j);
if (useRelativePaths) {
try {
temp = Utils.convertToRelativePath(temp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
m_Exp.getDatasets().addElement(temp);
}
} else {
File temp = m_FileChooser.getSelectedFile();
if (useRelativePaths) {
try {
temp = Utils.convertToRelativePath(temp);
} catch (Exception ex) {
ex.printStackTrace();
}
}
m_Exp.getDatasets().addElement(temp);
}
setButtons(null);
}
}
} else if (e.getSource() == m_DeleteBut) {
// Delete the selected files
int[] selected = m_List.getSelectedIndices();
if (selected != null) {
for (int i = selected.length - 1; i >= 0; i--) {
int current = selected[i];
m_Exp.getDatasets().removeElementAt(current);
if (m_Exp.getDatasets().size() > current) {
m_List.setSelectedIndex(current);
} else {
m_List.setSelectedIndex(current - 1);
}
}
}
setButtons(null);
} else if (e.getSource() == m_EditBut) {
// Delete the selected files
int selected = m_List.getSelectedIndex();
if (selected != -1) {
ViewerDialog dialog = new ViewerDialog(null);
String filename = m_List.getSelectedValue().toString();
int result;
try {
DataSource source = new DataSource(filename);
result = dialog.showDialog(source.getDataSet());
// nasty workaround for Windows regarding locked files:
// if file Reader in Loader is not closed explicitly, we cannot
// overwrite the file.
source = null;
System.gc();
// workaround end
if ((result == ViewerDialog.APPROVE_OPTION) && (dialog.isChanged())) {
result = JOptionPane.showConfirmDialog(this,
"File was modified - save changes?");
if (result == JOptionPane.YES_OPTION) {
Saver saver = ConverterUtils.getSaverForFile(filename);
saver.setFile(new File(filename));
saver.setInstances(dialog.getInstances());
saver.writeBatch();
}
}
} catch (Exception ex) {
JOptionPane.showMessageDialog(this, "Error loading file '" + filename
+ "':\n" + ex.toString(), "Error loading file",
JOptionPane.INFORMATION_MESSAGE);
}
}
setButtons(null);
} else if (e.getSource() == m_UpBut) {
JListHelper.moveUp(m_List);
} else if (e.getSource() == m_DownBut) {
JListHelper.moveDown(m_List);
}
}
/**
* Tests out the dataset list panel from the command line.
*
* @param args ignored
*/
public static void main(String[] args) {
try {
final JFrame jf = new JFrame("Dataset List Editor");
jf.getContentPane().setLayout(new BorderLayout());
DatasetListPanel dp = new DatasetListPanel();
jf.getContentPane().add(dp, BorderLayout.CENTER);
jf.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
jf.dispose();
System.exit(0);
}
});
jf.pack();
jf.setVisible(true);
System.err.println("Short nap");
Thread.sleep(3000);
System.err.println("Done");
dp.setExperiment(new Experiment());
} catch (Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
}