DefaultTabsRemovedHandler.java 文件源码

@Override
public void componentRemoved( ContainerEvent e )
{
    if( e.getContainer( ) instanceof JTabbedPane )
    {
        JTabbedPane tabbedPane = ( JTabbedPane ) e.getContainer( );
        if( tabbedPane.getTabCount( ) == 0 )
        {
            Window ancestor = SwingUtilities.getWindowAncestor( tabbedPane );
            if( ancestor != null )
            {
                ancestor.dispose( );
            }
        }
    }
}