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import java.awt.BorderLayout;
import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
class MyListDataListener implements ListDataListener {
public void contentsChanged(ListDataEvent e) {
System.out.println("contentsChanged: " + e.getIndex0() +
", " + e.getIndex1());
}
public void intervalAdded(ListDataEvent e) {
System.out.println("intervalAdded: " + e.getIndex0() +
", " + e.getIndex1());
}
public void intervalRemoved(ListDataEvent e) {
System.out.println("intervalRemoved: " + e.getIndex0() +
", " + e.getIndex1());
}
}
public class UsingListDataListener {
static String labels[] = { "A", "B", "C", "D", "E", "F", "G" };
public static void main(String args[]) {
JFrame frame = new JFrame("Modifying Model");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Fill model
final DefaultListModel model = new DefaultListModel();
model.addListDataListener(new MyListDataListener());
for (int i = 0, n = labels.length; i < n; i++) {
model.addElement(labels[i]);
}
JList jlist = new JList(model);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1, BorderLayout.CENTER);
frame.setSize(640, 300);
frame.setVisible(true);
}
}
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