/*
* 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.
*/
/*
* ClassifierCustomizer.java
* Copyright (C) 2002 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui.beans;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import weka.classifiers.Classifier;
import weka.core.Environment;
import weka.core.EnvironmentHandler;
import weka.gui.GenericObjectEditor;
import weka.gui.PropertySheetPanel;
/**
* GUI customizer for the classifier wrapper bean
*
* @author <a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a>
* @version $Revision: 7124 $
*/
public class ClassifierCustomizer
extends JPanel
implements BeanCustomizer, CustomizerClosingListener,
CustomizerCloseRequester, EnvironmentHandler {
/** for serialization */
private static final long serialVersionUID = -6688000820160821429L;
static {
GenericObjectEditor.registerEditors();
}
private PropertyChangeSupport m_pcSupport =
new PropertyChangeSupport(this);
private weka.gui.beans.Classifier m_dsClassifier;
/* private GenericObjectEditor m_ClassifierEditor =
new GenericObjectEditor(true); */
private PropertySheetPanel m_ClassifierEditor =
new PropertySheetPanel();
private JPanel m_incrementalPanel = new JPanel();
private JCheckBox m_updateIncrementalClassifier
= new JCheckBox("Update classifier on incoming instance stream");
private boolean m_panelVisible = false;
private JPanel m_holderPanel = new JPanel();
private JTextField m_executionSlotsText = new JTextField();
private JCheckBox m_blockOnLastFold = new JCheckBox("Block on last fold of last run");
private Window m_parentWindow;
/** Copy of the current classifier in case cancel is selected */
protected weka.classifiers.Classifier m_backup;
private Environment m_env = Environment.getSystemWide();
/**
* Listener that wants to know the the modified status of the object that
* we're customizing
*/
private ModifyListener m_modifyListener;
public ClassifierCustomizer() {
m_ClassifierEditor.
setBorder(BorderFactory.createTitledBorder("Classifier options"));
m_updateIncrementalClassifier.
setToolTipText("Train the classifier on "
+"each individual incoming streamed instance.");
m_updateIncrementalClassifier.
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (m_dsClassifier != null) {
m_dsClassifier.
setUpdateIncrementalClassifier(m_updateIncrementalClassifier.
isSelected());
}
}
});
m_incrementalPanel.add(m_updateIncrementalClassifier);
m_executionSlotsText.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (m_dsClassifier != null &&
m_executionSlotsText.getText().length() > 0) {
int newSlots = Integer.parseInt(m_executionSlotsText.getText());
m_dsClassifier.setExecutionSlots(newSlots);
}
}
});
m_executionSlotsText.addFocusListener(new FocusListener() {
public void focusGained(FocusEvent e) {}
public void focusLost(FocusEvent e) {
if (m_dsClassifier != null &&
m_executionSlotsText.getText().length() > 0) {
int newSlots = Integer.parseInt(m_executionSlotsText.getText());
m_dsClassifier.setExecutionSlots(newSlots);
}
}
});
m_blockOnLastFold.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (m_dsClassifier != null) {
m_dsClassifier.setBlockOnLastFold(m_blockOnLastFold.isSelected());
}
}
});
JPanel executionSlotsPanel = new JPanel();
executionSlotsPanel.
setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
JLabel executionSlotsLabel = new JLabel("Execution slots");
executionSlotsPanel.setLayout(new BorderLayout());
executionSlotsPanel.add(executionSlotsLabel, BorderLayout.WEST);
executionSlotsPanel.add(m_executionSlotsText, BorderLayout.CENTER);
m_holderPanel.
setBorder(BorderFactory.createTitledBorder("More options"));
m_holderPanel.setLayout(new BorderLayout());
m_holderPanel.add(executionSlotsPanel, BorderLayout.NORTH);
// m_blockOnLastFold.setHorizontalTextPosition(SwingConstants.RIGHT);
m_holderPanel.add(m_blockOnLastFold, BorderLayout.SOUTH);
JPanel holder2 = new JPanel();
holder2.setLayout(new BorderLayout());
holder2.add(m_holderPanel, BorderLayout.NORTH);
JButton OKBut = new JButton("OK");
JButton CancelBut = new JButton("Cancel");
OKBut.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// forces the template to be deep copied to the actual classifier.
// necessary for InputMappedClassifier that is loading from a file
m_dsClassifier.setClassifierTemplate(m_dsClassifier.getClassifierTemplate());
if (m_modifyListener != null) {
m_modifyListener.setModifiedStatus(ClassifierCustomizer.this, true);
}
m_parentWindow.dispose();
}
});
CancelBut.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// cancel requested, so revert to backup and then
// close the dialog
if (m_backup != null) {
m_dsClassifier.setClassifierTemplate(m_backup);
}
if (m_modifyListener != null) {
m_modifyListener.setModifiedStatus(ClassifierCustomizer.this, false);
}
m_parentWindow.dispose();
}
});
JPanel butHolder = new JPanel();
butHolder.setLayout(new GridLayout(1,2));
butHolder.add(OKBut);
butHolder.add(CancelBut);
holder2.add(butHolder, BorderLayout.SOUTH);
setLayout(new BorderLayout());
add(m_ClassifierEditor, BorderLayout.CENTER);
add(holder2, BorderLayout.SOUTH);
}
private void checkOnClassifierType() {
Classifier editedC = m_dsClassifier.getClassifierTemplate();
if (editedC instanceof weka.classifiers.UpdateableClassifier &&
m_dsClassifier.hasIncomingStreamInstances()) {
if (!m_panelVisible) {
m_holderPanel.add(m_incrementalPanel, BorderLayout.SOUTH);
m_panelVisible = true;
m_executionSlotsText.setEnabled(false);
}
} else {
if (m_panelVisible) {
m_holderPanel.remove(m_incrementalPanel);
m_executionSlotsText.setEnabled(true);
m_panelVisible = false;
}
}
}
/**
* Set the classifier object to be edited
*
* @param object an <code>Object</code> value
*/
public void setObject(Object object) {
m_dsClassifier = (weka.gui.beans.Classifier)object;
// System.err.println(Utils.joinOptions(((OptionHandler)m_dsClassifier.getClassifier()).getOptions()));
try {
m_backup =
(weka.classifiers.Classifier)GenericObjectEditor.makeCopy(m_dsClassifier.getClassifierTemplate());
} catch (Exception ex) {
// ignore
}
m_ClassifierEditor.setEnvironment(m_env);
m_ClassifierEditor.setTarget(m_dsClassifier.getClassifierTemplate());
m_updateIncrementalClassifier.
setSelected(m_dsClassifier.getUpdateIncrementalClassifier());
m_executionSlotsText.setText(""+m_dsClassifier.getExecutionSlots());
m_blockOnLastFold.setSelected(m_dsClassifier.getBlockOnLastFold());
checkOnClassifierType();
}
/* (non-Javadoc)
* @see weka.gui.beans.CustomizerClosingListener#customizerClosing()
*/
public void customizerClosing() {
if (m_executionSlotsText.getText().length() > 0) {
int newSlots = Integer.parseInt(m_executionSlotsText.getText());
m_dsClassifier.setExecutionSlots(newSlots);
}
}
/**
* Add a property change listener
*
* @param pcl a <code>PropertyChangeListener</code> value
*/
public void addPropertyChangeListener(PropertyChangeListener pcl) {
m_pcSupport.addPropertyChangeListener(pcl);
}
/**
* Remove a property change listener
*
* @param pcl a <code>PropertyChangeListener</code> value
*/
public void removePropertyChangeListener(PropertyChangeListener pcl) {
m_pcSupport.removePropertyChangeListener(pcl);
}
public void setParentWindow(Window parent) {
m_parentWindow = parent;
}
/**
* Set any environment variables to pass to the PropertySheetPanel
*
* @param env environment variables to pass to the property sheet
* panel
*/
public void setEnvironment(Environment env) {
m_env = env;
}
@Override
public void setModifiedListener(ModifyListener l) {
m_modifyListener = l;
}
}