TestTabbedPane.java

/*
    TestTabbedPane.java
    CIS 260
    2/22/2006
    David Klick

Demonstration of a tabbed interface using JTabbedPane.   
*/

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class TestTabbedPane extends JFrame {
    JTabbedPane tpane;

public static void main(String[] args) {
        TestTabbedPane app = new TestTabbedPane("Tabbed Pane Test");
    }

TestTabbedPane() { this(""); }
    TestTabbedPane(String title) {
        super(title);
        tpane = new JTabbedPane(JTabbedPane.TOP);
        tpane.addChangeListener(new MyChangeListener());
        String[] tabs = { "Pets", "Phone", "Garden", "Computer", "Attack", "Bag" };
        String[] files = { "pets.jpg", "phoneCat.jpg", "gardenCat.jpg",
            "computerCat.jpg", "attackCat.jpg", "trouble_in_bag2.jpg" };
        for (int i=0; i<tabs.length; i++) {
            tpane.addTab(tabs[i], null, new JLabel(new ImageIcon(files[i])));
        }
        getContentPane().add(tpane);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(400, 400);
        setVisible(true);
    }

class MyChangeListener implements ChangeListener {
        int selected = -1;

public void stateChanged(ChangeEvent e) {
            JTabbedPane p = (JTabbedPane) e.getSource();
            if (selected==-1 || p.getSelectedIndex()!=selected) {
                p.setEnabledAt(p.getSelectedIndex(), false);
                if (selected!=-1) p.setEnabledAt(selected, true);
            }
            selected = p.getSelectedIndex();
        }
    }
}