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1   /*
2    *  XNap Commons
3    *
4    *  Copyright (C) 2005  Steffen Pingel
5    *
6    *  This library is free software; you can redistribute it and/or
7    *  modify it under the terms of the GNU Lesser General Public
8    *  License as published by the Free Software Foundation; either
9    *  version 2.1 of the License, or (at your option) any later version.
10   *
11   *  This library is distributed in the hope that it will be useful,
12   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   *  Lesser General Public License for more details.
15   *
16   *  You should have received a copy of the GNU Lesser General Public
17   *  License along with this library; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   */
20  package org.xnap.commons.gui.util;
21  
22  import java.awt.Component;
23  import java.awt.event.ItemEvent;
24  import java.awt.event.ItemListener;
25  import javax.swing.JCheckBox;
26  
27  /***
28   * Enables or disables a set of components.
29   * 
30   * @author Steffen Pingel
31   */
32  public class EnableListener implements ItemListener {
33  	
34  	private JCheckBox checkBox;
35  	private Component[] components;
36  
37  	/***
38  	 * Disables <code>components</code>.
39  	 * 
40  	 * @param components
41  	 */
42  	public EnableListener(Component ... components)
43  	{
44  		this.components = components;
45  		
46  		setComponentsEnabled(false);
47  	}
48  	
49  	public void setComponentsEnabled(boolean state)
50  	{
51  		for (Component component : components) {
52  			component.setEnabled(state);
53  		}
54  	}
55  
56  	public void itemStateChanged(ItemEvent event)
57  	{
58  		setComponentsEnabled(event.getStateChange() == ItemEvent.SELECTED);
59  	}
60  }