/*
* 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.
*/
/*
* SelectedTagEditor.java
* Copyright (C) 1999 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui;
import weka.core.Tag;
import weka.core.SelectedTag;
import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorSupport;
import javax.swing.JFrame;
import javax.swing.JLabel;
/**
* A PropertyEditor that uses tags, where the tags are obtained from a
* weka.core.SelectedTag object.
*
* @author Len Trigg (trigg@cs.waikato.ac.nz)
* @version $Revision: 1.8 $
*/
public class SelectedTagEditor extends PropertyEditorSupport {
/**
* Returns a description of the property value as java source.
*
* @return a value of type 'String'
*/
public String getJavaInitializationString() {
SelectedTag s = (SelectedTag)getValue();
Tag [] tags = s.getTags();
String result = "new SelectedTag("
+ s.getSelectedTag().getID()
+ ", {\n";
for (int i = 0; i < tags.length; i++) {
result += "new Tag(" + tags[i].getID()
+ ",\"" + tags[i].getReadable()
+ "\")";
if (i < tags.length - 1) {
result += ',';
}
result += '\n';
}
return result + "})";
}
/**
* Gets the current value as text.
*
* @return a value of type 'String'
*/
public String getAsText() {
SelectedTag s = (SelectedTag)getValue();
return s.getSelectedTag().getReadable();
}
/**
* Sets the current property value as text.
*
* @param text the text of the selected tag.
* @exception java.lang.IllegalArgumentException if an error occurs
*/
public void setAsText(String text)
{
SelectedTag s = (SelectedTag)getValue();
Tag [] tags = s.getTags();
try {
for (int i = 0; i < tags.length; i++) {
if (text.equals(tags[i].getReadable())) {
setValue(new SelectedTag(tags[i].getID(), tags));
return;
}
}
} catch (Exception ex) {
throw new java.lang.IllegalArgumentException(text);
}
}
/**
* Gets the list of tags that can be selected from.
*
* @return an array of string tags.
*/
public String[] getTags() {
SelectedTag s = (SelectedTag)getValue();
Tag [] tags = s.getTags();
String [] result = new String [tags.length];
for (int i = 0; i < tags.length; i++) {
result[i] = tags[i].getReadable();
}
return result;
}
/**
* Tests out the selectedtag editor from the command line.
*
* @param args ignored
*/
public static void main(String [] args) {
try {
GenericObjectEditor.registerEditors();
Tag [] tags = {
new Tag(1, "First option"),
new Tag(2, "Second option"),
new Tag(3, "Third option"),
new Tag(4, "Fourth option"),
new Tag(5, "Fifth option"),
};
SelectedTag initial = new SelectedTag(1, tags);
SelectedTagEditor ce = new SelectedTagEditor();
ce.setValue(initial);
PropertyValueSelector ps = new PropertyValueSelector(ce);
JFrame f = new JFrame();
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
f.getContentPane().setLayout(new BorderLayout());
f.getContentPane().add(ps, BorderLayout.CENTER);
f.pack();
f.setVisible(true);
} catch (Exception ex) {
ex.printStackTrace();
System.err.println(ex.getMessage());
}
}
}