| Код | import javax.swing.*;
import java.awt.*;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
/**
* User: mgarin Date: 24.10.2010 Time: 19:33:45
*/
public class ScrollToVisibleField extends JFrame
{
public ScrollToVisibleField () throws HeadlessException
{
super ();
final JPanel fields = new JPanel ();
fields.setLayout ( new GridLayout ( 100, 1, 5, 5 ) );
getContentPane ().add ( new JScrollPane ( fields ), BorderLayout.CENTER );
for ( int i = 0; i < 100; i++ )
{
fields.add ( new JTextField( "" + i )
{
{
addFocusListener ( new FocusAdapter()
{
public void focusGained ( FocusEvent e )
{
fields.scrollRectToVisible ( e.getComponent ().getBounds () );
}
} );
}} );
}
setDefaultCloseOperation ( JFrame.EXIT_ON_CLOSE );
setSize ( 100, 500 );
setLocationRelativeTo ( null );
setVisible ( true );
}
public static void main ( String args[] )
{
new ScrollToVisibleField ();
}
} |
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