Author: Nobuo Tamemasa

Change color of selected tab.

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

/**
 * @version 1.1 06/02/99
 */
public class TabColorExample extends JPanel {                     
  public TabColorExample() {
    setLayout(new BorderLayout());
    
    UIManager.put("TabbedPane.selected", Color.green);
    
    JTabbedPane tabbedPane = new JTabbedPane();
    String tabs[] = {"One", "Two", "Three", "Four"};
    Color[] colors = {null, Color.red, null, null};
    for (int i=0;i<tabs.length;i++) {
      tabbedPane.addTab(tabs[i], createPane(tabs[i]));
      tabbedPane.setBackgroundAt(i, colors[i]);
    }
    tabbedPane.setSelectedIndex(0);
    add(tabbedPane, BorderLayout.CENTER);
  }
  
  JPanel createPane(String s) {
    JPanel p = new JPanel();
    p.add(new JLabel(s));
    return p;
  }
  
  public static void main(String[] args) {
    JFrame frame = new JFrame("Tab color Example");
    frame.addWindowListener( new WindowAdapter() {
      public void windowClosing( WindowEvent e ) {
        System.exit(0);
      }
    });
    frame.getContentPane().add( new TabColorExample() );
    frame.setSize( 200, 100 );
    frame.setVisible(true);
  }
}

Posted On: 14-Jun-1999

internet.commerce