/**************************************************************************
* Copyright (c) 2001, 2002, 2003 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
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**************************************************************************/
package java.awt;
import java.awt.peer.*;
import java.awt.event.*;
import java.io.*;
public class CheckboxMenuItem extends MenuItem implements ItemSelectable {
boolean state;
int checkboxMenuItemSerializedDataVersion;
transient ItemListener itemListener;
public CheckboxMenuItem() {
this(null);
}
public CheckboxMenuItem(String label) {
this(label, false);
}
public CheckboxMenuItem(String label, boolean state) {
super(label);
this.state = state;
}
public boolean getState() {
return state;
}
public synchronized void setState(boolean state) {
this.state = state;
((CheckboxMenuItemPeer)peer).setState(state);
}
public Object[] getSelectedObjects() {
if(state) {
return new Object[]{ getLabel() };
}
else {
return null;
}
}
public synchronized void addItemListener(java.awt.event.ItemListener listener) {
itemListener = AWTEventMulticaster.add(itemListener, listener);
}
protected void processEvent(AWTEvent event) {
if (event instanceof ItemEvent) {
processItemEvent((ItemEvent)event);
}
else {
super.processEvent(event);
}
}
protected void processItemEvent(java.awt.event.ItemEvent event) {
if (itemListener != null) {
setState(event.getStateChange() == ItemEvent.SELECTED);
itemListener.itemStateChanged(event);
}
}
public synchronized void removeItemListener(java.awt.event.ItemListener listener) {
itemListener = AWTEventMulticaster.remove(itemListener, listener);
}
public void addNotify() {
if(peer == null) {
peer = Toolkit.getDefaultToolkit().createCheckboxMenuItem(this);
}
}
public String paramString() {
return "java.awt.CheckboxMenuItem";
}
private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException {
}
private void writeObject(ObjectOutputStream s) throws ClassNotFoundException, IOException {
}
}