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The Waikato Environment for Knowledge Analysis (WEKA), a machine
learning workbench. This is the stable version. Apart from bugfixes, this version
does not receive any other updates.
/*
* 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 [])");
if (str != null) {
try {
String[] options = Utils.splitOptions(str);
String classname = options[0];
options[0] = "";
Object obj = Utils
.forName(Object.class, classname, options);
m_AlgorithmListModel.addElement(obj);
updateExperiment();
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(self,
"Error parsing commandline:\n" + ex, "Error...",
JOptionPane.ERROR_MESSAGE);
}
}
}
});
menu.add(item);
if (m_List.getSelectedValue() != null) {
menu.addSeparator();
item = new JMenuItem("Show properties...");
item.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
self.actionPerformed(new ActionEvent(m_EditBut, 0, ""));
}
});
menu.add(item);
item = new JMenuItem("Copy configuration to clipboard");
item.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String str = m_List.getSelectedValue().getClass().getName();
if (m_List.getSelectedValue() instanceof OptionHandler) {
str += " "
+ Utils.joinOptions(((OptionHandler) m_List
.getSelectedValue()).getOptions());
}
StringSelection selection = new StringSelection(str.trim());
Clipboard clipboard = Toolkit.getDefaultToolkit()
.getSystemClipboard();
clipboard.setContents(selection, selection);
}
});
menu.add(item);
item = new JMenuItem("Enter configuration...");
item.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String str = JOptionPane.showInputDialog(self,
"Configuration ( [])");
if (str != null) {
try {
String[] options = Utils.splitOptions(str);
String classname = options[0];
options[0] = "";
Object obj = Utils.forName(Object.class, classname,
options);
m_AlgorithmListModel.setElementAt(obj, index);
updateExperiment();
} catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(self,
"Error parsing commandline:\n" + ex, "Error...",
JOptionPane.ERROR_MESSAGE);
}
}
}
});
menu.add(item);
}
menu.show(m_List, e.getX(), e.getY());
}
}
}
};
m_List.addMouseListener(mouseListener);
m_ClassifierEditor.setClassType(Classifier.class);
m_ClassifierEditor.setValue(new weka.classifiers.rules.ZeroR());
m_ClassifierEditor.addPropertyChangeListener(new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent e) {
repaint();
}
});
((GenericObjectEditor.GOEPanel) m_ClassifierEditor.getCustomEditor())
.addOkListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Classifier newCopy = (Classifier) copyObject(m_ClassifierEditor
.getValue());
addNewAlgorithm(newCopy);
}
});
m_DeleteBut.setEnabled(false);
m_DeleteBut.addActionListener(this);
m_AddBut.setEnabled(false);
m_AddBut.addActionListener(this);
m_EditBut.setEnabled(false);
m_EditBut.addActionListener(this);
m_LoadOptionsBut.setEnabled(false);
m_LoadOptionsBut.addActionListener(this);
m_SaveOptionsBut.setEnabled(false);
m_SaveOptionsBut.addActionListener(this);
m_UpBut.setEnabled(false);
m_UpBut.addActionListener(this);
m_DownBut.setEnabled(false);
m_DownBut.addActionListener(this);
m_List.addListSelectionListener(new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
setButtons(e);
}
});
m_FileChooser.addChoosableFileFilter(m_XMLFilter);
m_FileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
setLayout(new BorderLayout());
setBorder(BorderFactory.createTitledBorder("Algorithms"));
JPanel topLab = new JPanel();
GridBagLayout gb = new GridBagLayout();
GridBagConstraints constraints = new GridBagConstraints();
topLab.setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));
topLab.setLayout(gb);
constraints.gridx = 0;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.gridwidth = 1;
constraints.gridheight = 1;
constraints.insets = new Insets(0, 2, 0, 2);
topLab.add(m_AddBut, constraints);
constraints.gridx = 1;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.gridwidth = 1;
constraints.gridheight = 1;
topLab.add(m_EditBut, constraints);
constraints.gridx = 2;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.gridwidth = 1;
constraints.gridheight = 1;
topLab.add(m_DeleteBut, constraints);
JPanel bottomLab = new JPanel();
gb = new GridBagLayout();
constraints = new GridBagConstraints();
bottomLab.setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));
bottomLab.setLayout(gb);
constraints.gridx = 0;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.gridwidth = 1;
constraints.gridheight = 1;
constraints.insets = new Insets(0, 2, 0, 2);
bottomLab.add(m_LoadOptionsBut, constraints);
constraints.gridx = 1;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.gridwidth = 1;
constraints.gridheight = 1;
bottomLab.add(m_SaveOptionsBut, constraints);
constraints.gridx = 2;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.gridwidth = 1;
constraints.gridheight = 1;
bottomLab.add(m_UpBut, constraints);
constraints.gridx = 3;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.gridwidth = 1;
constraints.gridheight = 1;
bottomLab.add(m_DownBut, constraints);
add(topLab, BorderLayout.NORTH);
add(new JScrollPane(m_List), BorderLayout.CENTER);
add(bottomLab, BorderLayout.SOUTH);
}
/**
* Tells the panel to act on a new experiment.
*
* @param exp a value of type 'Experiment'
*/
public void setExperiment(Experiment exp) {
m_Exp = exp;
m_AddBut.setEnabled(true);
m_List.setModel(m_AlgorithmListModel);
m_List.setCellRenderer(new ObjectCellRenderer());
m_AlgorithmListModel.removeAllElements();
if (m_Exp.getPropertyArray() instanceof Classifier[]) {
Classifier[] algorithms = (Classifier[]) m_Exp.getPropertyArray();
for (Classifier algorithm : algorithms) {
m_AlgorithmListModel.addElement(algorithm);
}
}
m_EditBut.setEnabled((m_AlgorithmListModel.size() > 0));
m_DeleteBut.setEnabled((m_AlgorithmListModel.size() > 0));
m_LoadOptionsBut.setEnabled((m_AlgorithmListModel.size() > 0));
m_SaveOptionsBut.setEnabled((m_AlgorithmListModel.size() > 0));
m_UpBut.setEnabled(JListHelper.canMoveUp(m_List));
m_DownBut.setEnabled(JListHelper.canMoveDown(m_List));
}
/**
* Add a new algorithm to the list.
*
* @param newScheme the new scheme to add
*/
private void addNewAlgorithm(Classifier newScheme) {
if (!m_Editing) {
m_AlgorithmListModel.addElement(newScheme);
} else {
m_AlgorithmListModel.setElementAt(newScheme, m_List.getSelectedIndex());
}
updateExperiment();
m_Editing = false;
}
/**
* updates the classifiers in the experiment
*/
private void updateExperiment() {
Classifier[] cArray = new Classifier[m_AlgorithmListModel.size()];
for (int i = 0; i < cArray.length; i++) {
cArray[i] = (Classifier) m_AlgorithmListModel.elementAt(i);
}
m_Exp.setPropertyArray(cArray);
}
/**
* sets the state of the buttons according to the selection state of the JList
*
* @param e the event
*/
private void setButtons(ListSelectionEvent e) {
if (e.getSource() == m_List) {
m_DeleteBut.setEnabled(m_List.getSelectedIndex() > -1);
m_AddBut.setEnabled(true);
m_EditBut.setEnabled(m_List.getSelectedIndices().length == 1);
m_LoadOptionsBut.setEnabled(m_List.getSelectedIndices().length == 1);
m_SaveOptionsBut.setEnabled(m_List.getSelectedIndices().length == 1);
m_UpBut.setEnabled(JListHelper.canMoveUp(m_List));
m_DownBut.setEnabled(JListHelper.canMoveDown(m_List));
}
}
/**
* Handle actions when buttons get pressed.
*
* @param e a value of type 'ActionEvent'
*/
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == m_AddBut) {
m_Editing = false;
if (m_PD == null) {
int x = getLocationOnScreen().x;
int y = getLocationOnScreen().y;
if (PropertyDialog.getParentDialog(this) != null) {
m_PD = new PropertyDialog(PropertyDialog.getParentDialog(this),
m_ClassifierEditor, x, y);
} else {
m_PD = new PropertyDialog(PropertyDialog.getParentFrame(this),
m_ClassifierEditor, x, y);
}
m_PD.setVisible(true);
} else {
m_PD.setVisible(true);
}
} else if (e.getSource() == m_EditBut) {
if (m_List.getSelectedValue() != null) {
m_ClassifierEditor.setClassType(weka.classifiers.Classifier.class);
// m_PD.getEditor().setValue(m_List.getSelectedValue());
m_ClassifierEditor.setValue(m_List.getSelectedValue());
m_Editing = true;
if (m_PD == null) {
int x = getLocationOnScreen().x;
int y = getLocationOnScreen().y;
if (PropertyDialog.getParentDialog(this) != null) {
m_PD = new PropertyDialog(PropertyDialog.getParentDialog(this),
m_ClassifierEditor, x, y);
} else {
m_PD = new PropertyDialog(PropertyDialog.getParentFrame(this),
m_ClassifierEditor, x, y);
}
m_PD.setVisible(true);
} else {
m_PD.setVisible(true);
}
}
} else if (e.getSource() == m_DeleteBut) {
int[] selected = m_List.getSelectedIndices();
if (selected != null) {
for (int i = selected.length - 1; i >= 0; i--) {
int current = selected[i];
m_AlgorithmListModel.removeElementAt(current);
if (m_Exp.getDatasets().size() > current) {
m_List.setSelectedIndex(current);
} else {
m_List.setSelectedIndex(current - 1);
}
}
}
if (m_List.getSelectedIndex() == -1) {
m_EditBut.setEnabled(false);
m_DeleteBut.setEnabled(false);
m_LoadOptionsBut.setEnabled(false);
m_SaveOptionsBut.setEnabled(false);
m_UpBut.setEnabled(false);
m_DownBut.setEnabled(false);
}
updateExperiment();
} else if (e.getSource() == m_LoadOptionsBut) {
if (m_List.getSelectedValue() != null) {
int returnVal = m_FileChooser.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
try {
File file = m_FileChooser.getSelectedFile();
if (!file.getAbsolutePath().toLowerCase().endsWith(".xml")) {
file = new File(file.getAbsolutePath() + ".xml");
}
XMLClassifier xmlcls = new XMLClassifier();
Classifier c = (Classifier) xmlcls.read(file);
m_AlgorithmListModel.setElementAt(c, m_List.getSelectedIndex());
updateExperiment();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
} else if (e.getSource() == m_SaveOptionsBut) {
if (m_List.getSelectedValue() != null) {
int returnVal = m_FileChooser.showSaveDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
try {
File file = m_FileChooser.getSelectedFile();
if (!file.getAbsolutePath().toLowerCase().endsWith(".xml")) {
file = new File(file.getAbsolutePath() + ".xml");
}
XMLClassifier xmlcls = new XMLClassifier();
xmlcls.write(file, m_List.getSelectedValue());
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
} else if (e.getSource() == m_UpBut) {
JListHelper.moveUp(m_List);
updateExperiment();
} else if (e.getSource() == m_DownBut) {
JListHelper.moveDown(m_List);
updateExperiment();
}
}
/**
* Makes a copy of an object using serialization
*
* @param source the object to copy
* @return a copy of the source object
*/
protected Object copyObject(Object source) {
Object result = null;
try {
SerializedObject so = new SerializedObject(source);
result = so.getObject();
} catch (Exception ex) {
System.err.println("AlgorithmListPanel: Problem copying object");
System.err.println(ex);
}
return result;
}
/**
* Tests out the algorithm list panel from the command line.
*
* @param args ignored
*/
public static void main(String[] args) {
try {
final JFrame jf = new JFrame("Algorithm List Editor");
jf.getContentPane().setLayout(new BorderLayout());
AlgorithmListPanel dp = new AlgorithmListPanel();
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());
}
}
}