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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 m_Listeners = new ArrayList();
/**
* Creates the property iterator panel initially disabled.
*/
public GeneratorPropertyIteratorPanel() {
String[] options = { "Disabled", "Enabled" };
ComboBoxModel cbm = new DefaultComboBoxModel(options);
m_StatusBox.setModel(cbm);
m_StatusBox.setSelectedIndex(0);
m_StatusBox.addActionListener(this);
m_StatusBox.setEnabled(false);
m_ConfigureBut.setEnabled(false);
m_ConfigureBut.addActionListener(this);
JPanel buttons = new JPanel();
GridBagLayout gb = new GridBagLayout();
GridBagConstraints constraints = new GridBagConstraints();
buttons.setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));
// buttons.setLayout(new GridLayout(1, 2));
buttons.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);
buttons.add(m_StatusBox, constraints);
constraints.gridx = 1;
constraints.gridy = 0;
constraints.weightx = 5;
constraints.gridwidth = 1;
constraints.gridheight = 1;
buttons.add(m_ConfigureBut, constraints);
buttons.setMaximumSize(new Dimension(buttons.getMaximumSize().width,
buttons.getMinimumSize().height));
setBorder(BorderFactory.createTitledBorder("Generator properties"));
setLayout(new BorderLayout());
add(buttons, BorderLayout.NORTH);
// add(Box.createHorizontalGlue());
((JComponent) m_ArrayEditor.getCustomEditor()).setBorder(BorderFactory
.createEtchedBorder());
m_ArrayEditor.addPropertyChangeListener(new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent e) {
System.err.println("Updating experiment property iterator array");
m_Exp.setPropertyArray(m_ArrayEditor.getValue());
}
});
add(m_ArrayEditor.getCustomEditor(), BorderLayout.CENTER);
}
/**
* Creates the property iterator panel and sets the experiment.
*
* @param exp a value of type 'Experiment'
*/
public GeneratorPropertyIteratorPanel(Experiment exp) {
this();
setExperiment(exp);
}
/**
* Returns true if the editor is currently in an active status---that is the
* array is active and able to be edited.
*
* @return true if editor is active
*/
public boolean getEditorActive() {
if (m_StatusBox.getSelectedIndex() == 0) {
return false;
}
return true;
}
/**
* Sets the experiment which will have the custom properties edited.
*
* @param exp a value of type 'Experiment'
*/
public void setExperiment(Experiment exp) {
m_Exp = exp;
m_StatusBox.setEnabled(true);
m_ArrayEditor.setValue(m_Exp.getPropertyArray());
if (m_Exp.getPropertyArray() == null) {
m_StatusBox.setSelectedIndex(0);
m_ConfigureBut.setEnabled(false);
} else {
m_StatusBox.setSelectedIndex(m_Exp.getUsePropertyIterator() ? 1 : 0);
m_ConfigureBut.setEnabled(m_Exp.getUsePropertyIterator());
}
validate();
}
/**
* Gets the user to select a property of the current resultproducer.
*
* @return APPROVE_OPTION if the selection went OK, otherwise the selection
* was cancelled.
*/
protected int selectProperty() {
final PropertySelectorDialog jd = new PropertySelectorDialog(null,
m_Exp.getResultProducer());
jd.setLocationRelativeTo(this);
int result = jd.showDialog();
if (result == PropertySelectorDialog.APPROVE_OPTION) {
System.err.println("Property Selected");
PropertyNode[] path = jd.getPath();
Object value = path[path.length - 1].value;
PropertyDescriptor property = path[path.length - 1].property;
// Make an array containing the propertyValue
Class propertyClass = property.getPropertyType();
m_Exp.setPropertyPath(path);
m_Exp.setPropertyArray(Array.newInstance(propertyClass, 1));
Array.set(m_Exp.getPropertyArray(), 0, value);
// Pass it to the arrayeditor
m_ArrayEditor.setValue(m_Exp.getPropertyArray());
m_ArrayEditor.getCustomEditor().repaint();
System.err.println("Set new array to array editor");
} else {
System.err.println("Cancelled");
}
return result;
}
/**
* Handles the various button clicking type activities.
*
* @param e a value of type 'ActionEvent'
*/
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == m_ConfigureBut) {
selectProperty();
} else if (e.getSource() == m_StatusBox) {
// notify any listeners
for (int i = 0; i < m_Listeners.size(); i++) {
ActionListener temp = (m_Listeners.get(i));
temp.actionPerformed(new ActionEvent(this,
ActionEvent.ACTION_PERFORMED, "Editor status change"));
}
// Toggles whether the custom property is used
if (m_StatusBox.getSelectedIndex() == 0) {
m_Exp.setUsePropertyIterator(false);
m_ConfigureBut.setEnabled(false);
m_ArrayEditor.getCustomEditor().setEnabled(false);
m_ArrayEditor.setValue(null);
validate();
} else {
if (m_Exp.getPropertyArray() == null) {
selectProperty();
}
if (m_Exp.getPropertyArray() == null) {
m_StatusBox.setSelectedIndex(0);
} else {
m_Exp.setUsePropertyIterator(true);
m_ConfigureBut.setEnabled(true);
m_ArrayEditor.getCustomEditor().setEnabled(true);
}
validate();
}
}
}
/**
* Add a listener interested in kowing about editor status changes
*
* @param newA an listener to add
*/
public void addActionListener(ActionListener newA) {
m_Listeners.add(newA);
}
/**
* Tests out the panel from the command line.
*
* @param args ignored.
*/
public static void main(String[] args) {
try {
final JFrame jf = new JFrame("Generator Property Iterator");
jf.getContentPane().setLayout(new BorderLayout());
GeneratorPropertyIteratorPanel gp = new GeneratorPropertyIteratorPanel();
jf.getContentPane().add(gp, 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");
gp.setExperiment(new Experiment());
} catch (Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
}
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