MyListDataListener.java Source code

Introduction

Here is the source code for MyListDataListener.java

Source

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);
    }
}