gt:     JButton b = newButton(icon);
context: /*
   * Copyright (C) 2004 NNL Technology AB
   * Visit www.infonode.net for information about InfoNode(R) 
   * products and how to contact NNL Technology AB.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version 2
   * of the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
   * MA 02111-1307, USA.
   */
  
  
  // $Id: ButtonFactory.java,v 1.23 2005/12/04 13:46:04 jesper Exp $
  package net.infonode.gui;
  
  import net.infonode.gui.border.HighlightBorder;
  import net.infonode.util.ColorUtil;
  
  import javax.swing.*;
  import javax.swing.border.Border;
  import javax.swing.border.CompoundBorder;
  import javax.swing.border.EmptyBorder;
  import javax.swing.border.LineBorder;
  import javax.swing.event.ChangeEvent;
  import javax.swing.event.ChangeListener;
  import javax.swing.plaf.ButtonUI;
  import java.awt.*;
  import java.awt.event.*;
  import java.net.URL;
  
  public class ButtonFactory {
    private ButtonFactory() {
    }
  
    private static class ButtonHighlighter implements ComponentListener, HierarchyListener {
  /*    private static final Color HIGHLIGHTED_COLOR = new Color(140, 160, 255);
      private static final Color PRESSED_COLOR = new Color(60, 80, 200);
  */
      private JButton button;
      private Border pressedBorder;
      private Border highlightedBorder;
      private Border normalBorder;
      private boolean rollover;
      private long rolloverStart; // Ugly hack to avoid false rollover callbacks which occur when the button is moved 
  
      ButtonHighlighter(JButton button, int padding) {
        this.button = button;
  
        normalBorder = new EmptyBorder(padding + 2, padding + 2, padding + 2, padding + 2);
        pressedBorder = new EmptyBorder(padding + 2, padding + 2, padding, padding);
        highlightedBorder = new EmptyBorder(padding + 1, padding + 1, padding + 1, padding + 1);
  
        button.setContentAreaFilled(false);
        setNormalState();
  
        button.addChangeListener(new ChangeListener() {
          public void stateChanged(ChangeEvent e) {
            rollover = (System.currentTimeMillis() - rolloverStart) > 20 &&
                       ButtonHighlighter.this.button.getModel().isRollover();
            update();
  
            if (ButtonHighlighter.this.button.getModel().isRollover())
              rolloverStart = 0;
          }
        });
  
        button.addHierarchyListener(this);
        button.addComponentListener(this);
      }
  
      private void setNormalState() {
        button.setBackground(null);
        button.setOpaque(false);
        button.setBorder(normalBorder);
        rollover = false;
      }
  
      public void componentHidden(ComponentEvent e) {
        setNormalState();
        rolloverStart = System.currentTimeMillis();
      }
  
      public void componentMoved(ComponentEvent e) {
        setNormalState();
        rolloverStart = System.currentTimeMillis();
      }
  
      public void componentResized(ComponentEvent e) {
        setNormalState();
        rolloverStart = System.currentTimeMillis();
      }
  
      public void componentShown(ComponentEvent e) {
        setNormalState();
        rolloverStart = System.currentTimeMillis();
      }
  
      public void hierarchyChanged(HierarchyEvent e) {
        setNormalState();
        rolloverStart = System.currentTimeMillis();
      }
  
      private void update() {
        boolean pressed = button.getModel().isArmed();
  
        if (button.isEnabled() && (rollover || pressed)) {
          button.setOpaque(true);
          Color backgroundColor = ComponentUtil.getBackgroundColor(button.getParent());
          backgroundColor = backgroundColor == null ?
                            UIManagerUtil.getColor("control", Color.LIGHT_GRAY) : backgroundColor;
          button.setBackground(ColorUtil.mult(backgroundColor, pressed ? 0.8 : 1.15));
  
          button.setBorder(pressed ?
                           new CompoundBorder(new LineBorder(ColorUtil.mult(backgroundColor, 0.3)),
                                              pressedBorder) :
                           new CompoundBorder(new LineBorder(ColorUtil.mult(backgroundColor, 0.5)),
                                              highlightedBorder));
        }
        else {
          setNormalState();
        }
      }
  
    }
  
    private static final Border normalBorder = new CompoundBorder(new LineBorder(new Color(70, 70, 70)),
                                                                  new CompoundBorder(new HighlightBorder(),
                                                                                     new EmptyBorder(1, 6, 1, 6)));
    private static final Border pressedBorder = new CompoundBorder(new LineBorder(new Color(70, 70, 70)),
                                                                   new CompoundBorder(new HighlightBorder(true),
                                                                                      new EmptyBorder(2, 7, 0, 5)));
  
    private static JButton initButton(final JButton button) {
      button.setMargin(null);
      button.setBorder(normalBorder);
      button.addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
          button.setBorder(pressedBorder);
        }
  
        public void mouseReleased(MouseEvent e) {
          button.setBorder(normalBorder);
        }
      });
  
      return button;
    }
  
    private static JButton newButton(String text) {
      return initButton(new JButton(text));
    }
  
    private static JButton newButton(Icon icon) {
      return initButton(new JButton(icon));
    }
  
    private static JButton newButton(Icon icon, String text) {
      return initButton(new JButton(text, icon));
    }
  
    public static final JButton createDialogButton(String text, ActionListener action) {
      JButton b = new JButton(text);
      b.setFont(b.getFont().deriveFont(Font.BOLD));
      b.addActionListener(action);
      return b;
    }
  
    public static final JButton createButton(String text, ActionListener action) {
      return createButton(text, true, action);
    }
  
    public static final JButton createButton(String text, boolean opaque, ActionListener action) {
      JButton b = newButton(text);
      b.setOpaque(opaque);
      b.addActionListener(action);
      return b;
    }
  
    public static final JButton createButton(String iconResource, String text, ActionListener action) {
      URL iconURL = ButtonFactory.class.getClassLoader().getResource(iconResource);
      return createButton(iconURL == null ? null : new ImageIcon(iconURL), text, action);
    }
  
    public static final JButton createButton(Icon icon, String text, ActionListener action) {
      JButton b;
  
      if (icon != null) {
        b = newButton(icon);
        b.setToolTipText(text);
      }
      else {
        b = newButton(text);
      }
  
      b.addActionListener(action);
      return b;
    }
  
    public static final JButton createButton(Icon icon, String tooltipText, boolean opaque, ActionListener action) {
      JButton b = newButton(icon);
      b.setToolTipText(tooltipText);
      b.addActionListener(action);
      b.setOpaque(opaque);
      return b;
    }
  
    public static final JButton createFlatHighlightButton(Icon icon, String tooltipText, int padding,
                                                          ActionListener action) {
      final JButton b = new JButton(icon) {
        public void setUI(ButtonUI ui) {
          super.setUI(new FlatIconButtonUI());
        }
      };
      b.setVerticalAlignment(SwingConstants.CENTER);
      b.setToolTipText(tooltipText);
      b.setMargin(new Insets(0, 0, 0, 0));
      new ButtonHighlighter(b, padding);
  
      b.setRolloverEnabled(true);
  
      if (action != null)
        b.addActionListener(action);
  
      return b;
    }
  
    public static final void applyButtonHighlighter(JButton b, int padding) {
      b.setVerticalAlignment(SwingConstants.CENTER);
      b.setMargin(new Insets(0, 0, 0, 0));
      new ButtonHighlighter(b, padding);
  
      b.setRolloverEnabled(true);
    }
  
    public static final JButton createFlatHighlightButton(Icon icon, String tooltipText, int padding,
                                                          boolean focusable, ActionListener action) {
      final JButton b = createFlatHighlightButton(icon, tooltipText, padding, action);
      b.setFocusable(focusable);
      return b;
    }
  
    public static final JButton createHighlightButton(String text, ActionListener action) {
      JButton b = newButton(text);
      b.addActionListener(action);
      return b;
    }
  
    public static final JButton createHighlightButton(Icon icon, ActionListener action) {
  