source: src/main/java/weka/gui/beans/SaverCustomizer.java @ 15

Last change on this file since 15 was 4, checked in by gnappo, 14 years ago

Import di weka.
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1/*
2 *    This program is free software; you can redistribute it and/or modify
3 *    it under the terms of the GNU General Public License as published by
4 *    the Free Software Foundation; either version 2 of the License, or
5 *    (at your option) any later version.
6 *
7 *    This program is distributed in the hope that it will be useful,
8 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
9 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 *    GNU General Public License for more details.
11 *
12 *    You should have received a copy of the GNU General Public License
13 *    along with this program; if not, write to the Free Software
14 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
15 */
16
17/*
18 *    SaverCustomizer.java
19 *    Copyright (C) 2004 University of Waikato, Hamilton, New Zealand
20 *
21 */
22
23package weka.gui.beans;
24
25import java.awt.BorderLayout;
26import java.awt.Dimension;
27import java.awt.FlowLayout;
28import java.awt.GridBagConstraints;
29import java.awt.GridBagLayout;
30import java.awt.event.ActionEvent;
31import java.awt.event.ActionListener;
32import java.beans.Customizer;
33import java.beans.PropertyChangeEvent;
34import java.beans.PropertyChangeListener;
35import java.beans.PropertyChangeSupport;
36import java.io.File;
37import java.io.IOException;
38
39import javax.swing.BorderFactory;
40import javax.swing.JButton;
41import javax.swing.JCheckBox;
42import javax.swing.JFileChooser;
43import javax.swing.JFrame;
44import javax.swing.JLabel;
45import javax.swing.JPanel;
46import javax.swing.JPasswordField;
47import javax.swing.SwingConstants;
48import javax.swing.filechooser.FileFilter;
49
50import weka.core.Environment;
51import weka.core.EnvironmentHandler;
52import weka.core.converters.DatabaseConverter;
53import weka.core.converters.DatabaseSaver;
54import weka.core.converters.FileSourcedConverter;
55import weka.gui.GenericObjectEditor;
56import weka.gui.PropertySheetPanel;
57
58/**
59 * GUI Customizer for the saver bean
60 *
61 * @author <a href="mailto:mutter@cs.waikato.ac.nz">Stefan Mutter</a>
62 * @version $Revision: 5423 $
63 */
64public class SaverCustomizer
65extends JPanel
66implements Customizer, CustomizerCloseRequester, EnvironmentHandler {
67
68  /** for serialization */
69  private static final long serialVersionUID = -4874208115942078471L;
70
71  static {
72    GenericObjectEditor.registerEditors();
73  }
74
75  private PropertyChangeSupport m_pcSupport = 
76    new PropertyChangeSupport(this);
77
78  private weka.gui.beans.Saver m_dsSaver;
79
80  private PropertySheetPanel m_SaverEditor = 
81    new PropertySheetPanel();
82
83  private JFileChooser m_fileChooser
84  = new JFileChooser(new File(System.getProperty("user.dir")));
85
86
87  private JFrame m_parentFrame;
88 
89  private JFrame m_fileChooserFrame;
90
91  private EnvironmentField m_dbaseURLText;
92
93  private EnvironmentField m_userNameText;
94
95  private JPasswordField m_passwordText;
96
97  private EnvironmentField m_tableText;
98
99  private JCheckBox m_idBox;
100
101  private JCheckBox m_tabBox;
102
103  private EnvironmentField m_prefixText;
104
105  private JCheckBox m_relativeFilePath;
106
107  private JCheckBox m_relationNameForFilename;
108
109  private Environment m_env = Environment.getSystemWide();
110 
111  private EnvironmentField m_directoryText;
112
113
114  /** Constructor */ 
115  public SaverCustomizer() {
116
117    try {
118      m_SaverEditor.addPropertyChangeListener(
119          new PropertyChangeListener() {
120            public void propertyChange(PropertyChangeEvent e) {
121              repaint();
122              if (m_dsSaver != null) {
123                System.err.println("Property change!!");
124                m_dsSaver.setSaver(m_dsSaver.getSaver());
125              }
126            }
127          });
128      repaint();
129    } catch (Exception ex) {
130      ex.printStackTrace();
131    }
132    setLayout(new BorderLayout());
133    m_fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
134    m_fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
135    m_fileChooser.setApproveButtonText("Select directory");
136    m_fileChooser.addActionListener(new ActionListener() {
137      public void actionPerformed(ActionEvent e) {
138        if (e.getActionCommand().equals(JFileChooser.APPROVE_SELECTION)) {
139          try {
140            File selectedFile = m_fileChooser.getSelectedFile();
141            m_directoryText.setText(selectedFile.toString());
142
143            /* (m_dsSaver.getSaver()).setFilePrefix(m_prefixText.getText());
144                (m_dsSaver.getSaver()).setDir(m_fileChooser.getSelectedFile().getPath());
145                m_dsSaver.
146                  setRelationNameForFilename(m_relationNameForFilename.isSelected()); */
147
148          } catch (Exception ex) {
149            ex.printStackTrace();
150          }
151        }
152        // closing
153        if (m_fileChooserFrame != null) {
154          m_fileChooserFrame.dispose();
155        }
156      }
157    });   
158  }
159
160  public void setParentFrame(JFrame parent) {
161    m_parentFrame = parent;
162  }
163
164  /** Sets up dialog for saving instances in other data sinks then files
165   * To be extended.
166   */ 
167  private void setUpOther() {
168    removeAll();
169    add(m_SaverEditor, BorderLayout.CENTER);
170    validate();
171    repaint();
172  }
173
174  /** Sets up the dialog for saving to a database*/
175  private void setUpDatabase() {
176
177    removeAll();
178    JPanel db = new JPanel();
179    GridBagLayout gbLayout = new GridBagLayout();
180    db.setLayout(gbLayout);
181   
182    JLabel dbaseURLLab = new JLabel(" Database URL", SwingConstants.RIGHT);
183    dbaseURLLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
184    GridBagConstraints gbConstraints = new GridBagConstraints();
185    gbConstraints.anchor = GridBagConstraints.EAST;
186    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
187    gbConstraints.gridy = 0; gbConstraints.gridx = 0;
188    gbLayout.setConstraints(dbaseURLLab, gbConstraints);
189    db.add(dbaseURLLab);
190   
191    m_dbaseURLText = new EnvironmentField();
192    m_dbaseURLText.setEnvironment(m_env);
193/*    int width = m_dbaseURLText.getPreferredSize().width;
194    int height = m_dbaseURLText.getPreferredSize().height;
195    m_dbaseURLText.setMinimumSize(new Dimension(width * 2, height));
196    m_dbaseURLText.setPreferredSize(new Dimension(width * 2, height)); */
197    m_dbaseURLText.setText(((DatabaseConverter)m_dsSaver.getSaver()).getUrl());
198    gbConstraints = new GridBagConstraints();
199    gbConstraints.anchor = GridBagConstraints.EAST;
200    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
201    gbConstraints.gridy = 0; gbConstraints.gridx = 1;
202    gbConstraints.weightx = 5;
203    gbLayout.setConstraints(m_dbaseURLText, gbConstraints);
204    db.add(m_dbaseURLText);   
205   
206    JLabel userLab = new JLabel("Username", SwingConstants.RIGHT);
207    userLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
208    gbConstraints = new GridBagConstraints();
209    gbConstraints.anchor = GridBagConstraints.EAST;
210    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
211    gbConstraints.gridy = 1; gbConstraints.gridx = 0;
212    gbLayout.setConstraints(userLab, gbConstraints);
213    db.add(userLab);
214
215    m_userNameText = new EnvironmentField();
216    m_userNameText.setEnvironment(m_env);
217/*    m_userNameText.setMinimumSize(new Dimension(width * 2, height));
218    m_userNameText.setPreferredSize(new Dimension(width * 2, height)); */
219    m_userNameText.setText(((DatabaseConverter)m_dsSaver.getSaver()).getUser());
220    gbConstraints = new GridBagConstraints();
221    gbConstraints.anchor = GridBagConstraints.EAST;
222    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
223    gbConstraints.gridy = 1; gbConstraints.gridx = 1;
224    gbLayout.setConstraints(m_userNameText, gbConstraints);
225    db.add(m_userNameText);
226   
227    JLabel passwordLab = new JLabel("Password ", SwingConstants.RIGHT);
228    passwordLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
229    gbConstraints = new GridBagConstraints();
230    gbConstraints.anchor = GridBagConstraints.EAST;
231    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
232    gbConstraints.gridy = 2; gbConstraints.gridx = 0;
233    gbLayout.setConstraints(passwordLab, gbConstraints);
234    db.add(passwordLab);
235
236    m_passwordText = new JPasswordField();
237    JPanel passwordHolder = new JPanel();
238    passwordHolder.setLayout(new BorderLayout());
239    passwordHolder.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
240    passwordHolder.add(m_passwordText, BorderLayout.CENTER);
241    /*passwordHolder.setMinimumSize(new Dimension(width * 2, height));
242    passwordHolder.setPreferredSize(new Dimension(width * 2, height)); */
243    gbConstraints = new GridBagConstraints();
244    gbConstraints.anchor = GridBagConstraints.EAST;
245    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
246    gbConstraints.gridy = 2; gbConstraints.gridx = 1;
247    gbLayout.setConstraints(passwordHolder, gbConstraints);
248    db.add(passwordHolder);
249
250    JLabel tableLab = new JLabel("Table Name", SwingConstants.RIGHT);
251    tableLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
252    gbConstraints = new GridBagConstraints();
253    gbConstraints.anchor = GridBagConstraints.EAST;
254    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
255    gbConstraints.gridy = 3; gbConstraints.gridx = 0;
256    gbLayout.setConstraints(tableLab, gbConstraints);
257    db.add(tableLab);
258   
259    m_tableText = new EnvironmentField();
260    m_tableText.setEnvironment(m_env);
261/*    m_tableText.setMinimumSize(new Dimension(width * 2, height));
262    m_tableText.setPreferredSize(new Dimension(width * 2, height)); */
263    m_tableText.setEnabled(!((DatabaseSaver)m_dsSaver.getSaver()).getRelationForTableName());
264    m_tableText.setText(((DatabaseSaver)m_dsSaver.getSaver()).getTableName());
265    gbConstraints = new GridBagConstraints();
266    gbConstraints.anchor = GridBagConstraints.EAST;
267    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
268    gbConstraints.gridy = 3; gbConstraints.gridx = 1;
269    gbLayout.setConstraints(m_tableText, gbConstraints);
270    db.add(m_tableText);
271       
272    JLabel tabLab = new JLabel("Use relation name", SwingConstants.RIGHT);
273    tabLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
274    gbConstraints = new GridBagConstraints();
275    gbConstraints.anchor = GridBagConstraints.EAST;
276    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
277    gbConstraints.gridy = 4; gbConstraints.gridx = 0;
278    gbLayout.setConstraints(tabLab, gbConstraints);
279    db.add(tabLab);
280   
281    m_tabBox = new JCheckBox();
282    m_tabBox.setSelected(((DatabaseSaver)m_dsSaver.getSaver()).getRelationForTableName()); 
283    m_tabBox.addActionListener(new ActionListener(){
284      public void actionPerformed(ActionEvent e){
285        m_tableText.setEnabled(!m_tabBox.isSelected());
286      }
287    });
288    gbConstraints = new GridBagConstraints();
289    gbConstraints.anchor = GridBagConstraints.EAST;
290    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
291    gbConstraints.gridy = 4; gbConstraints.gridx = 1;
292    gbLayout.setConstraints(m_tabBox, gbConstraints);
293    db.add(m_tabBox);
294
295    JLabel idLab = new JLabel("Automatic primary key", SwingConstants.RIGHT);
296    idLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
297    gbConstraints = new GridBagConstraints();
298    gbConstraints.anchor = GridBagConstraints.EAST;
299    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
300    gbConstraints.gridy = 5; gbConstraints.gridx = 0;
301    gbLayout.setConstraints(idLab, gbConstraints);
302    db.add(idLab);
303   
304    m_idBox = new JCheckBox();
305    m_idBox.setSelected(((DatabaseSaver)m_dsSaver.getSaver()).getAutoKeyGeneration());
306    gbConstraints = new GridBagConstraints();
307    gbConstraints.anchor = GridBagConstraints.EAST;
308    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
309    gbConstraints.gridy = 5; gbConstraints.gridx = 1;
310    gbLayout.setConstraints(m_idBox, gbConstraints);
311    db.add(m_idBox);
312
313    JPanel buttonsP = new JPanel();
314    buttonsP.setLayout(new FlowLayout());
315    JButton ok,cancel;
316    buttonsP.add(ok = new JButton("OK"));
317    buttonsP.add(cancel=new JButton("Cancel"));
318    ok.addActionListener(new ActionListener(){
319      public void actionPerformed(ActionEvent evt){
320        ((DatabaseSaver)m_dsSaver.getSaver()).resetStructure(); 
321        ((DatabaseConverter)m_dsSaver.getSaver()).setUrl(m_dbaseURLText.getText());
322        ((DatabaseConverter)m_dsSaver.getSaver()).setUser(m_userNameText.getText());
323        ((DatabaseConverter)m_dsSaver.getSaver()).setPassword(new String(m_passwordText.getPassword()));
324        if(!m_tabBox.isSelected()) {
325          ((DatabaseSaver)m_dsSaver.getSaver()).setTableName(m_tableText.getText());
326        }
327        ((DatabaseSaver)m_dsSaver.getSaver()).setAutoKeyGeneration(m_idBox.isSelected());
328        ((DatabaseSaver)m_dsSaver.getSaver()).setRelationForTableName(m_tabBox.isSelected());
329        if (m_parentFrame != null) {
330          m_parentFrame.dispose();
331        }
332      }
333    });
334    cancel.addActionListener(new ActionListener(){
335      public void actionPerformed(ActionEvent evt){
336        if (m_parentFrame != null) {
337          m_parentFrame.dispose();
338        }
339      }
340    });
341   
342    JPanel holderP = new JPanel();
343    holderP.setLayout(new BorderLayout());
344    holderP.add(db, BorderLayout.NORTH);
345    holderP.add(buttonsP, BorderLayout.SOUTH);
346
347//    db.add(buttonsP);
348    JPanel about = m_SaverEditor.getAboutPanel();
349    if (about != null) {
350      add(about, BorderLayout.NORTH);
351    }
352    add(holderP,BorderLayout.SOUTH);
353  }
354
355  /** Sets up dialog for saving instances in a file */ 
356  public void setUpFile() {
357    removeAll();
358   
359    m_fileChooser.setFileFilter(new FileFilter() { 
360      public boolean accept(File f) { 
361        return f.isDirectory();
362      }
363      public String getDescription() {
364        return "Directory";
365      }
366    });
367   
368    m_fileChooser.setAcceptAllFileFilterUsed(false);
369   
370    try{
371      if(!(((m_dsSaver.getSaver()).retrieveDir()).equals(""))) {
372        String dirStr = m_dsSaver.getSaver().retrieveDir();
373        if (Environment.containsEnvVariables(dirStr)) {
374          try {
375            dirStr = m_env.substitute(dirStr);
376          } catch (Exception ex) {
377            // ignore
378          }         
379        }
380        File tmp = new File(dirStr);
381        tmp = new File(tmp.getAbsolutePath());
382        m_fileChooser.setCurrentDirectory(tmp);
383      }
384    } catch(Exception ex) {
385      System.out.println(ex);
386    }
387   
388    JPanel innerPanel = new JPanel();
389    innerPanel.setLayout(new BorderLayout());
390   
391    JPanel alignedP = new JPanel();
392    GridBagLayout gbLayout = new GridBagLayout();
393    alignedP.setLayout(gbLayout);
394   
395    JLabel prefixLab = new JLabel("Prefix for file name", SwingConstants.RIGHT);
396    prefixLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
397    GridBagConstraints gbConstraints = new GridBagConstraints();
398    gbConstraints.anchor = GridBagConstraints.EAST;
399    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
400    gbConstraints.gridy = 0; gbConstraints.gridx = 0;
401    gbLayout.setConstraints(prefixLab, gbConstraints);
402    alignedP.add(prefixLab);
403   
404    m_prefixText = new EnvironmentField();
405    m_prefixText.setEnvironment(m_env);
406    m_prefixText.setToolTipText("Prefix for file name "
407        + "(or filename itself if relation name is not used)");
408/*    int width = m_prefixText.getPreferredSize().width;
409    int height = m_prefixText.getPreferredSize().height;
410    m_prefixText.setMinimumSize(new Dimension(width * 2, height));
411    m_prefixText.setPreferredSize(new Dimension(width * 2, height)); */
412    gbConstraints = new GridBagConstraints();
413    gbConstraints.anchor = GridBagConstraints.EAST;
414    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
415    gbConstraints.gridy = 0; gbConstraints.gridx = 1;
416    gbLayout.setConstraints(m_prefixText, gbConstraints);
417    alignedP.add(m_prefixText);
418   
419    try{
420//      m_prefixText = new JTextField(m_dsSaver.getSaver().filePrefix(),25);
421
422      m_prefixText.setText(m_dsSaver.getSaver().filePrefix());
423     
424/*      final JLabel prefixLab =
425        new JLabel(" Prefix for file name:", SwingConstants.LEFT); */
426     
427      JLabel relationLab = new JLabel("Relation name for filename", SwingConstants.RIGHT);
428      relationLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
429      gbConstraints = new GridBagConstraints();
430      gbConstraints.anchor = GridBagConstraints.EAST;
431      gbConstraints.fill = GridBagConstraints.HORIZONTAL;
432      gbConstraints.gridy = 1; gbConstraints.gridx = 0;
433      gbLayout.setConstraints(relationLab, gbConstraints);
434      alignedP.add(relationLab);
435     
436      m_relationNameForFilename = new JCheckBox();
437      m_relationNameForFilename.setSelected(m_dsSaver.getRelationNameForFilename());
438      m_relationNameForFilename.addActionListener(new ActionListener() {
439        public void actionPerformed(ActionEvent e) {
440          if (m_relationNameForFilename.isSelected()) {
441            m_prefixText.setLabel("Prefix for file name");
442            m_fileChooser.setApproveButtonText("Select directory and prefix");
443          } else {
444            m_prefixText.setLabel("File name");
445            m_fileChooser.setApproveButtonText("Select directory and filename");
446          }
447        }
448      });
449     
450      gbConstraints = new GridBagConstraints();
451      gbConstraints.anchor = GridBagConstraints.EAST;
452      gbConstraints.fill = GridBagConstraints.HORIZONTAL;
453      gbConstraints.gridy = 1; gbConstraints.gridx = 1;
454      gbConstraints.weightx = 5;
455      gbLayout.setConstraints(m_relationNameForFilename, gbConstraints);
456      alignedP.add(m_relationNameForFilename);
457    } catch(Exception ex){
458    }
459    //innerPanel.add(m_SaverEditor, BorderLayout.SOUTH);
460    JPanel about = m_SaverEditor.getAboutPanel();
461    if (about != null) {
462      innerPanel.add(about, BorderLayout.NORTH);
463    }
464    add(innerPanel, BorderLayout.NORTH);
465//    add(m_fileChooser, BorderLayout.CENTER);
466   
467    JLabel directoryLab = new JLabel("Directory", SwingConstants.RIGHT);
468    directoryLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
469    gbConstraints = new GridBagConstraints();
470    gbConstraints.anchor = GridBagConstraints.EAST;
471    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
472    gbConstraints.gridy = 2; gbConstraints.gridx = 0;
473    gbLayout.setConstraints(directoryLab, gbConstraints);
474    alignedP.add(directoryLab);
475   
476    m_directoryText = new EnvironmentField();
477//    m_directoryText.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
478    m_directoryText.setEnvironment(m_env); 
479/*    width = m_directoryText.getPreferredSize().width;
480    height = m_directoryText.getPreferredSize().height;
481    m_directoryText.setMinimumSize(new Dimension(width * 2, height));
482    m_directoryText.setPreferredSize(new Dimension(width * 2, height)); */
483   
484    try {
485      m_directoryText.setText(m_dsSaver.getSaver().retrieveDir());
486    } catch (IOException ex) {
487      // ignore
488    }
489   
490    JButton browseBut = new JButton("Browse...");
491    browseBut.addActionListener(new ActionListener() {
492      public void actionPerformed(ActionEvent e) {
493        try {
494          final JFrame jf = new JFrame("Choose directory");
495          jf.getContentPane().setLayout(new BorderLayout());
496          jf.getContentPane().add(m_fileChooser, BorderLayout.CENTER);
497          jf.pack();
498          jf.setVisible(true);
499          m_fileChooserFrame = jf;
500        } catch (Exception ex) {
501          ex.printStackTrace();
502        }
503      }
504    });
505   
506    JPanel efHolder = new JPanel();
507    efHolder.setLayout(new BorderLayout());
508    JPanel bP = new JPanel(); bP.setLayout(new BorderLayout());
509    bP.setBorder(BorderFactory.createEmptyBorder(5,0,5,5));
510    bP.add(browseBut, BorderLayout.CENTER);
511    efHolder.add(m_directoryText, BorderLayout.CENTER);
512    efHolder.add(bP, BorderLayout.EAST);
513    //efHolder.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
514    gbConstraints = new GridBagConstraints();
515    gbConstraints.anchor = GridBagConstraints.EAST;
516    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
517    gbConstraints.gridy = 2; gbConstraints.gridx = 1;
518    gbLayout.setConstraints(efHolder, gbConstraints);
519    alignedP.add(efHolder);
520   
521
522    JLabel relativeLab = new JLabel("Use relative file paths", SwingConstants.RIGHT);
523    relativeLab.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
524    gbConstraints = new GridBagConstraints();
525    gbConstraints.anchor = GridBagConstraints.EAST;
526    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
527    gbConstraints.gridy = 3; gbConstraints.gridx = 0;
528    gbLayout.setConstraints(relativeLab, gbConstraints);
529    alignedP.add(relativeLab);
530   
531    m_relativeFilePath = new JCheckBox();
532    m_relativeFilePath.
533    setSelected(((FileSourcedConverter)m_dsSaver.getSaver()).getUseRelativePath());
534
535    m_relativeFilePath.addActionListener(new ActionListener() {
536      public void actionPerformed(ActionEvent e) {
537        ((FileSourcedConverter)m_dsSaver.getSaver()).
538        setUseRelativePath(m_relativeFilePath.isSelected());
539      }
540    });
541    gbConstraints = new GridBagConstraints();
542    gbConstraints.anchor = GridBagConstraints.EAST;
543    gbConstraints.fill = GridBagConstraints.HORIZONTAL;
544    gbConstraints.gridy = 3; gbConstraints.gridx = 1;
545    gbLayout.setConstraints(m_relativeFilePath, gbConstraints);
546    alignedP.add(m_relativeFilePath);
547       
548    JButton OKBut = new JButton("OK");
549    OKBut.addActionListener(new ActionListener() {
550      public void actionPerformed(ActionEvent e) {
551        try {         
552          (m_dsSaver.getSaver()).setFilePrefix(m_prefixText.getText());
553          (m_dsSaver.getSaver()).setDir(m_directoryText.getText());
554          m_dsSaver.
555            setRelationNameForFilename(m_relationNameForFilename.isSelected());
556        } catch (Exception ex) {
557          ex.printStackTrace();
558        }
559       
560        m_parentFrame.dispose();
561      }
562    });
563
564    JButton CancelBut = new JButton("Cancel");
565    CancelBut.addActionListener(new ActionListener() {
566      public void actionPerformed(ActionEvent e) {
567        m_parentFrame.dispose();
568      }
569    });
570   
571    JPanel butHolder = new JPanel();
572    butHolder.setLayout(new FlowLayout());
573    butHolder.add(OKBut);
574    butHolder.add(CancelBut);
575    JPanel holder2 = new JPanel();
576    holder2.setLayout(new BorderLayout());
577    holder2.add(alignedP, BorderLayout.NORTH);
578    holder2.add(butHolder, BorderLayout.SOUTH);
579   
580    add(holder2, BorderLayout.SOUTH);
581  }
582
583  /**
584   * Set the saver to be customized
585   *
586   * @param object a weka.gui.beans.Saver
587   */
588  public void setObject(Object object) {
589    m_dsSaver = (weka.gui.beans.Saver)object;
590    m_SaverEditor.setTarget(m_dsSaver.getSaver());
591    if(m_dsSaver.getSaver() instanceof DatabaseConverter){
592      setUpDatabase();
593    }
594    else{
595      if (m_dsSaver.getSaver() instanceof FileSourcedConverter) {
596        setUpFile();
597      } else {
598        setUpOther();
599      }
600    }
601  }
602
603  /**
604   * Add a property change listener
605   *
606   * @param pcl a <code>PropertyChangeListener</code> value
607   */
608  public void addPropertyChangeListener(PropertyChangeListener pcl) {
609    m_pcSupport.addPropertyChangeListener(pcl);
610  }
611
612  /**
613   * Remove a property change listener
614   *
615   * @param pcl a <code>PropertyChangeListener</code> value
616   */
617  public void removePropertyChangeListener(PropertyChangeListener pcl) {
618    m_pcSupport.removePropertyChangeListener(pcl);
619  }
620
621  /* (non-Javadoc)
622   * @see weka.core.EnvironmentHandler#setEnvironment(weka.core.Environment)
623   */
624  public void setEnvironment(Environment env) {
625    m_env = env;
626  }
627}
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