| /* |
| * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| |
| package com.sun.java.swing.action; |
| |
| import java.awt.event.ItemEvent; |
| import java.awt.event.ItemListener; |
| import javax.swing.Icon; |
| |
| // Referenced classes of package com.sun.java.swing.action: |
| // DelegateAction |
| |
| public abstract class StateChangeAction extends DelegateAction |
| implements ItemListener |
| { |
| |
| public StateChangeAction(String name) |
| { |
| super(name, null); |
| selected = false; |
| } |
| |
| public StateChangeAction(String name, Icon icon) |
| { |
| super(name, icon); |
| selected = false; |
| } |
| |
| public boolean isSelected() |
| { |
| return selected; |
| } |
| |
| public synchronized void setSelected(boolean newValue) |
| { |
| boolean oldValue = selected; |
| if(oldValue != newValue) |
| { |
| selected = newValue; |
| firePropertyChange("selected", Boolean.valueOf(oldValue), Boolean.valueOf(newValue)); |
| } |
| } |
| |
| public void setItemListener(ItemListener listener) |
| { |
| this.listener = listener; |
| } |
| |
| public ItemListener getItemListener() |
| { |
| return listener; |
| } |
| |
| public void itemStateChanged(ItemEvent evt) |
| { |
| if(evt.getStateChange() == 1) |
| setSelected(true); |
| else |
| setSelected(false); |
| if(listener != null) |
| listener.itemStateChanged(evt); |
| } |
| |
| protected boolean selected; |
| private ItemListener listener; |
| } |