// **********************************************************************
//
// <copyright>
//
// BBN Technologies
// 10 Moulton Street
// Cambridge, MA 02138
// (617) 873-8000
//
// Copyright (C) BBNT Solutions LLC. All rights reserved.
//
// </copyright>
// **********************************************************************
//
// $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/util/propertyEditor/TrueFalsePropertyEditor.java,v $
// $RCSfile: TrueFalsePropertyEditor.java,v $
// $Revision: 1.3.2.2 $
// $Date: 2005/05/24 18:38:30 $
// $Author: dietrick $
//
// **********************************************************************
package com.bbn.openmap.util.propertyEditor;
import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.beans.PropertyEditorSupport;
import javax.swing.ButtonGroup;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
/**
* A PropertyEditor that displays an either/or option. The widget
* returns true or false as a string when queried, or the button's
* action commands if set differently in subclasses. If you extend
* this class and override the constructor, you can change the two
* choices presented, like "enabled/disabled, on/off", etc. The
* responses will be true and false, unless the action commands for
* the trueButton and falseButton are set to something else and
* useAltCommandStrings is set to true.
*/
public class TrueFalsePropertyEditor extends PropertyEditorSupport implements
ActionListener, FocusListener {
protected ButtonGroup buttonGroup = new ButtonGroup();
protected boolean option = true;
protected JRadioButton trueButton;
protected JRadioButton falseButton;
protected boolean useAltCommandStrings = false;
public final static String TrueString = "true";
public final static String FalseString = "false";
public TrueFalsePropertyEditor() {
trueButton = new JRadioButton(TrueString);
falseButton = new JRadioButton(FalseString);
}
public boolean supportsCustomEditor() {
return true;
}
public void setUseAltCommandStrings(boolean value) {
useAltCommandStrings = value;
}
public boolean getUseAltCommandStrings() {
return useAltCommandStrings;
}
/** Returns the editor GUI, ie a JTextField. */
public Component getCustomEditor() {
JPanel panel = new JPanel();
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
c.anchor = GridBagConstraints.WEST;
panel.setLayout(gridbag);
if (!getUseAltCommandStrings()) {
trueButton.setActionCommand(TrueString);
falseButton.setActionCommand(FalseString);
}
trueButton.addActionListener(this);
falseButton.addActionListener(this);
buttonGroup.add(trueButton);
buttonGroup.add(falseButton);
setSelected(option);
gridbag.setConstraints(trueButton, c);
c.fill = GridBagConstraints.HORIZONTAL;
c.weightx = 1;
gridbag.setConstraints(falseButton, c);
panel.add(trueButton);
panel.add(falseButton);
return panel;
}
public void actionPerformed(ActionEvent e) {
String ac = e.getActionCommand();
setSelected(ac.equalsIgnoreCase(trueButton.getActionCommand()));
//System.out.println("value changed");
firePropertyChange();
}
public void setSelected(boolean set) {
option = set;
trueButton.setSelected(option);
falseButton.setSelected(!option);
}
public void focusGained(FocusEvent e) {}
public void focusLost(FocusEvent e) {
firePropertyChange();
}
/** Sets String in JTextField. */
public void setValue(Object string) {
if (!(string instanceof String)) {
return;
}
setSelected(((String) string).equalsIgnoreCase(trueButton.getActionCommand()));
}
/** Returns String from ButtonGroup. */
public String getAsText() {
if (option) {
return trueButton.getActionCommand();
}
return falseButton.getActionCommand();
}
}