1    package gui.run; 
2     
3    import gui.ClosableJFrame; 
4     
5    import javax.swing.JList; 
6    import javax.swing.ListModel; 
7    import javax.swing.ListSelectionModel; 
8    import javax.swing.event.ListSelectionEvent; 
9    import javax.swing.event.ListSelectionListener; 
10   import java.util.Vector; 
11    
12    
13   public abstract class RunList extends 
14           JList 
15           implements 
16           ListSelectionListener, 
17           Runnable { 
18       public RunList(Vector v) { 
19           super(v); 
20           addListSelectionListener(this); 
21       } 
22    
23       public RunList() { 
24           addListSelectionListener(this); 
25       } 
26    
27       public RunList(ListModel dataModel) { 
28           super(dataModel); 
29           addListSelectionListener(this); 
30       } 
31    
32       public RunList(Object[] listData) { 
33           super(listData); 
34           addListSelectionListener(this); 
35       } 
36    
37       public void valueChanged(ListSelectionEvent e) { 
38           // just print once 
39           if (!e.getValueIsAdjusting()) 
40               run(); 
41       } 
42      
43       public static void main(String[] args) { 
44                     testSimpleList(); 
45       } 
46    
47       public static void testSimpleList() { 
48           ClosableJFrame cf = new ClosableJFrame("RunList"); 
49           java.awt.Container c = cf.getContentPane(); 
50           String list[] = {"this", "is", "a", 
51                            "test"}; 
52           RunList runList = new RunList(list) { 
53               public void run() { 
54                   Object o[] = getSelectedValues(); 
55                   for (int i = 0; i < o.length; i++) 
56                       System.out.println(o[i]); 
57               } 
58           }; 
59           runList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); 
60           c.add(runList); 
61           c.setLayout(new java.awt.GridLayout(1, 0)); 
62           cf.setSize(200, 200); 
63           cf.setVisible(true); 
64       } 
65    
66   }