/*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* GeneratorPropertyIteratorPanel.java
* Copyright (C) 1999 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui.experiment;
import weka.core.FastVector;
import weka.experiment.Experiment;
import weka.experiment.PropertyNode;
import weka.gui.GenericArrayEditor;
import weka.gui.PropertySelectorDialog;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Array;
import javax.swing.BorderFactory;
import javax.swing.ComboBoxModel;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* This panel controls setting a list of values for an arbitrary
* resultgenerator property for an experiment to iterate over.
*
* @author Len Trigg (trigg@cs.waikato.ac.nz)
* @version $Revision: 1.10 $
*/
public class GeneratorPropertyIteratorPanel
extends JPanel
implements ActionListener {
/** for serialization */
private static final long serialVersionUID = -6026938995241632139L;
/** Click to select the property to iterate over */
protected JButton m_ConfigureBut = new JButton("Select property...");
/** Controls whether the custom iterator is used or not */
protected JComboBox m_StatusBox = new JComboBox();
/** Allows editing of the custom property values */
protected GenericArrayEditor m_ArrayEditor = new GenericArrayEditor();
/** The experiment this all applies to */
protected Experiment m_Exp;
/** Listeners who want to be notified about editing status of this
panel */
protected FastVector m_Listeners = new FastVector();
/**
* 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());
m_ArrayEditor.setBorder(BorderFactory.createEtchedBorder());
m_ArrayEditor.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
System.err.println("Updating experiment property iterator array");
m_Exp.setPropertyArray(m_ArrayEditor.getValue());
}
});
add(m_ArrayEditor, 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.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'
*/
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 = ((ActionListener)m_Listeners.elementAt(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.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.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.addElement(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() {
public void windowClosing(WindowEvent e) {
jf.dispose();
System.exit(0);
}
});
jf.pack();
jf.setVisible(true);
System.err.println("Short nap");
Thread.currentThread().sleep(3000);
System.err.println("Done");
gp.setExperiment(new Experiment());
} catch (Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
}