/*
* 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.
*/
/*
* LoaderCustomizer.java
* Copyright (C) 2002 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui.beans;
import weka.core.converters.DatabaseConverter;
import weka.core.converters.DatabaseLoader;
import weka.core.converters.FileSourcedConverter;
import weka.gui.ExtensionFileFilter;
import weka.gui.GenericObjectEditor;
import weka.gui.PropertySheetPanel;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.Customizer;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.File;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.JCheckBox;
/**
* GUI Customizer for the loader bean
*
* @author <a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a>
* @version $Revision: 1.15 $
*/
public class LoaderCustomizer
extends JPanel
implements Customizer, CustomizerCloseRequester {
/** for serialization */
private static final long serialVersionUID = 6990446313118930298L;
static {
GenericObjectEditor.registerEditors();
}
private PropertyChangeSupport m_pcSupport =
new PropertyChangeSupport(this);
private weka.gui.beans.Loader m_dsLoader;
private PropertySheetPanel m_LoaderEditor =
new PropertySheetPanel();
private JFileChooser m_fileChooser
= new JFileChooser(new File(System.getProperty("user.dir")));
/* private JDialog m_chooserDialog =
new JDialog((JFrame)getTopLevelAncestor(),
true); */
private JFrame m_parentFrame;
private JTextField m_dbaseURLText;
private JTextField m_userNameText;
private JTextField m_queryText;
private JTextField m_keyText;
private JPasswordField m_passwordText;
private JCheckBox m_relativeFilePath;
public LoaderCustomizer() {
/* m_fileEditor.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if (m_dsLoader != null) {
m_dsLoader.setDataSetFile((File)m_fileEditor.getValue());
}
}
}); */
try {
/* m_LoaderEditor.setClassType(weka.core.converters.Loader.class);
m_LoaderEditor.setValue(new weka.core.converters.ArffLoader()); */
m_LoaderEditor.addPropertyChangeListener(
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
repaint();
if (m_dsLoader != null) {
System.err.println("Property change!!");
m_dsLoader.setLoader(m_dsLoader.getLoader());
}
}
});
repaint();
} catch (Exception ex) {
ex.printStackTrace();
}
setLayout(new BorderLayout());
// add(m_fileEditor.getCustomEditor(), BorderLayout.CENTER);
// add(m_LoaderEditor, BorderLayout.CENTER);
m_fileChooser.setDialogType(JFileChooser.OPEN_DIALOG);
m_fileChooser.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals(JFileChooser.APPROVE_SELECTION)) {
try {
File selectedFile = m_fileChooser.getSelectedFile();
((FileSourcedConverter)m_dsLoader.getLoader()).
setFile(selectedFile);
// tell the loader that a new file has been selected so
// that it can attempt to load the header
m_dsLoader.setLoader(m_dsLoader.getLoader());
} catch (Exception ex) {
ex.printStackTrace();
}
}
// closing
if (m_parentFrame != null) {
m_parentFrame.dispose();
}
}
});
}
public void setParentFrame(JFrame parent) {
m_parentFrame = parent;
}
private void setUpOther() {
removeAll();
add(m_LoaderEditor, BorderLayout.CENTER);
validate();
repaint();
}
/** Sets up a customizer window for a Database Connection*/
private void setUpDatabase() {
removeAll();
JPanel db = new JPanel();
db.setLayout(new GridLayout(6, 1));
m_dbaseURLText = new JTextField(((DatabaseConverter)m_dsLoader.getLoader()).getUrl(),50);
JLabel dbaseURLLab = new JLabel(" Database URL:", SwingConstants.LEFT);
dbaseURLLab.setFont(new Font("Monospaced", Font.PLAIN, 12));
m_userNameText = new JTextField(((DatabaseConverter)m_dsLoader.getLoader()).getUser(),50);
JLabel userNameLab = new JLabel(" Username: ", SwingConstants.LEFT);
userNameLab.setFont(new Font("Monospaced", Font.PLAIN, 12));
m_passwordText = new JPasswordField(50);
JLabel passwordLab = new JLabel(" Password: ", SwingConstants.LEFT);
passwordLab.setFont(new Font("Monospaced", Font.PLAIN, 12));
m_queryText = new JTextField(((DatabaseLoader)m_dsLoader.getLoader()).getQuery(),50);
JLabel queryLab = new JLabel(" Query: ", SwingConstants.LEFT);
queryLab.setFont(new Font("Monospaced", Font.PLAIN, 12));
m_keyText = new JTextField(((DatabaseLoader)m_dsLoader.getLoader()).getKeys(),50);
JLabel keyLab = new JLabel(" Key columns: ", SwingConstants.LEFT);
keyLab.setFont(new Font("Monospaced", Font.PLAIN, 12));
JPanel urlP = new JPanel();
urlP.setLayout(new FlowLayout(FlowLayout.LEFT));
urlP.add(dbaseURLLab);
urlP.add(m_dbaseURLText);
db.add(urlP);
JPanel usernameP = new JPanel();
//usernameP.setLayout(new BorderLayout());
usernameP.setLayout(new FlowLayout(FlowLayout.LEFT));
usernameP.add(userNameLab);
usernameP.add(m_userNameText);
db.add(usernameP);
JPanel passwordP = new JPanel();
//passwordP.setLayout(new BorderLayout());
passwordP.setLayout(new FlowLayout(FlowLayout.LEFT));
passwordP.add(passwordLab);
passwordP.add(m_passwordText);
db.add(passwordP);
JPanel queryP = new JPanel();
queryP.setLayout(new FlowLayout(FlowLayout.LEFT));
queryP.add(queryLab);
queryP.add(m_queryText);
db.add(queryP);
JPanel keyP = new JPanel();
keyP.setLayout(new FlowLayout(FlowLayout.LEFT));
keyP.add(keyLab);
keyP.add(m_keyText);
db.add(keyP);
JPanel buttonsP = new JPanel();
buttonsP.setLayout(new FlowLayout());
JButton ok,cancel;
buttonsP.add(ok = new JButton("OK"));
buttonsP.add(cancel=new JButton("Cancel"));
ok.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent evt){
((DatabaseLoader)m_dsLoader.getLoader()).resetStructure();
((DatabaseConverter)m_dsLoader.getLoader()).setUrl(m_dbaseURLText.getText());
((DatabaseConverter)m_dsLoader.getLoader()).setUser(m_userNameText.getText());
((DatabaseConverter)m_dsLoader.getLoader()).setPassword(new String(m_passwordText.getPassword()));
((DatabaseLoader)m_dsLoader.getLoader()).setQuery(m_queryText.getText());
((DatabaseLoader)m_dsLoader.getLoader()).setKeys(m_keyText.getText());
try{
m_dsLoader.notifyStructureAvailable(((DatabaseLoader)m_dsLoader.getLoader()).getStructure());
//database connection has been configured
m_dsLoader.setDB(true);
}catch (Exception ex){
}
if (m_parentFrame != null) {
m_parentFrame.dispose();
}
}
});
cancel.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent evt){
if (m_parentFrame != null) {
m_parentFrame.dispose();
}
}
});
db.add(buttonsP);
JPanel about = m_LoaderEditor.getAboutPanel();
if (about != null) {
add(about, BorderLayout.NORTH);
}
add(db,BorderLayout.SOUTH);
}
public void setUpFile() {
removeAll();
File tmp = ((FileSourcedConverter)m_dsLoader.getLoader()).retrieveFile();
tmp = new File(tmp.getAbsolutePath());
if (tmp.isDirectory()) {
m_fileChooser.setCurrentDirectory(tmp);
} else {
m_fileChooser.setSelectedFile(tmp);
}
FileSourcedConverter loader = (FileSourcedConverter) m_dsLoader.getLoader();
String[] ext = loader.getFileExtensions();
ExtensionFileFilter firstFilter = null;
for (int i = 0; i < ext.length; i++) {
ExtensionFileFilter ff =
new ExtensionFileFilter(
ext[i], loader.getFileDescription() + " (*" + ext[i] + ")");
if (i == 0)
firstFilter = ff;
m_fileChooser.addChoosableFileFilter(ff);
}
if (firstFilter != null)
m_fileChooser.setFileFilter(firstFilter);
JPanel about = m_LoaderEditor.getAboutPanel();
if (about != null) {
add(about, BorderLayout.NORTH);
}
add(m_fileChooser, BorderLayout.CENTER);
m_relativeFilePath = new JCheckBox("Use relative file paths");
m_relativeFilePath.
setSelected(((FileSourcedConverter)m_dsLoader.getLoader()).getUseRelativePath());
m_relativeFilePath.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
((FileSourcedConverter)m_dsLoader.getLoader()).
setUseRelativePath(m_relativeFilePath.isSelected());
}
});
JPanel holderPanel = new JPanel();
holderPanel.setLayout(new FlowLayout());
holderPanel.add(m_relativeFilePath);
add(holderPanel, BorderLayout.SOUTH);
}
/**
* Set the loader to be customized
*
* @param object a weka.gui.beans.Loader
*/
public void setObject(Object object) {
m_dsLoader = (weka.gui.beans.Loader)object;
m_LoaderEditor.setTarget(m_dsLoader.getLoader());
// m_fileEditor.setValue(m_dsLoader.getDataSetFile());
if (m_dsLoader.getLoader() instanceof FileSourcedConverter) {
setUpFile();
} else{
if(m_dsLoader.getLoader() instanceof DatabaseConverter) {
setUpDatabase();
}
else
setUpOther();
}
}
/**
* 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);
}
}