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/****************************************************************************
Copyright 2004, Colorado School of Mines and others.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
****************************************************************************/
package edu.mines.jtk.awt;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.*;
/**
* A menu item for a mode. When the mode is active, the mode menu item
* appears to be selected.
*
* Ordinary menu items constructed with an action (such as a mode) update
* their appearance when the action is enabled or disabled. A mode menu
* item does that, and also updates its appearance when the mode is
* activated or deactivated.
*
* @author Dave Hale, Colorado School of Mines
* @version 2004.12.30
*/
public class ModeMenuItem extends JRadioButtonMenuItem {
private static final long serialVersionUID = 1L;
/**
* Constructs a mode menu item for the specified mode.
* @param mode the mode.
*/
public ModeMenuItem(Mode mode) {
super(mode);
setIcon(null); // ignore icon (is for toggle buttons)
mode.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent e) {
if (e.getPropertyName().equals("active"))
setSelected((Boolean)e.getNewValue());
}
});
}
}