Name: rmT116609 Date: 07/21/2004


FULL PRODUCT VERSION :
java version "1.4.2_03"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_03-b02)
Java HotSpot(TM) Client VM (build 1.4.2_03-b02, mixed mode)

java version "1.5.0-beta2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta2-b51)
Java HotSpot(TM) Client VM (build 1.5.0-beta2-b51, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows 2000 [Version 5.00.2195]

A DESCRIPTION OF THE PROBLEM :
JTabbedPane setSelectedIndex(-1) doesn't work properly with Scroll Layout

When using SCROLL_TAB_LAYOUT JTabbedPane setSelectedIndex(-1) causes no tabs to be displayed, hence they can't be selected. With WRAP_TAB_LAYOUT it does display the tabs.

  See also bug 4435617 which states that JTabbedPane was already meant to have been fixed such that setSelectedIndex(-1) does clear the selected tab (not make it invisible such that it can't be selected again).

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
run code

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
tabs to appear as they do with WRAP_TAB_LAYOUT
ACTUAL -
tabs don't appear

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;

public class Test {
  public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        JTabbedPane pane = new JTabbedPane(JTabbedPane.TOP, JTabbedPane.SCROLL_TAB_LAYOUT);
        pane.addTab("Test", new JLabel("Test"));
        pane.setSelectedIndex(-1);
        JFrame frame = new JFrame();
        frame.getContentPane().add(pane);
        frame.setSize(500, 500);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
      }
    });
  }
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
use WRAP_TAB_LAYOUT instead of SCROLL_TAB_LAYOUT
(Incident Review ID: 233797)
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