smoothgradienttitlepane.java

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        boolean isSelected = (window == null) ? true : window.isActive();
        int width = getWidth();
        int height = getHeight();

        Color background;
        Color foreground;
        Color darkShadow;

        if (isSelected) {
            background = activeBackground;
            foreground = activeForeground;
            darkShadow = activeShadow;
        } else {
            background = inactiveBackground;
            foreground = inactiveForeground;
            darkShadow = inactiveShadow;
        }

        g.setColor(background);
        g.fillRect(0, 0, width, height);

        g.setColor( darkShadow );
        g.drawLine ( 0, height - 1, width, height -1);
        g.drawLine ( 0, 0, 0 ,0);    
        g.drawLine ( width - 1, 0 , width -1, 0);

        int xOffset = leftToRight ? 5 : width - 5;

        if (getWindowDecorationStyle() == JRootPane.FRAME) {
            xOffset += leftToRight ? IMAGE_WIDTH + 5 : - IMAGE_WIDTH - 5;
        }
        
        String theTitle = getTitle();
        if (theTitle != null) {
            Font f = getFont();
            FontMetrics fm = g.getFontMetrics();

            g.setColor(foreground);

            int yOffset = ( (height - fm.getHeight() ) / 2 ) + fm.getAscent();

            Rectangle rect = new Rectangle(0, 0, 0, 0);
            if (iconifyButton != null && iconifyButton.getParent() != null) {
                rect = iconifyButton.getBounds();
            }
            int titleW;

            if( leftToRight ) {
                if (rect.x == 0) {
                    rect.x = window.getWidth() - window.getInsets().right-2;
                }
                titleW = rect.x - xOffset - 4;
                theTitle = clippedText(theTitle, fm, titleW);
            } else {
                titleW = xOffset - rect.x - rect.width - 4;
                theTitle = clippedText(theTitle, fm, titleW);
                xOffset -= SwingUtilities.computeStringWidth(fm, theTitle);
            }
            int titleLength = SwingUtilities.computeStringWidth(fm, theTitle);
            g.drawString( theTitle, xOffset, yOffset );
            xOffset += leftToRight ? titleLength + 5  : -5;
        }

        Rectangle r = new Rectangle(1,0,width,height);
        SmoothGradientUtils.addLight3DEffekt(g, r, true);

    }

    /**
     * Convenience method to clip the passed in text to the specified
     * size.
     */
    private String clippedText(String text, FontMetrics fm,
                                 int availTextWidth) {
        if ((text == null) || (text.equals("")))  {
            return "";
        }
        int textWidth = SwingUtilities.computeStringWidth(fm, text);
        String clipString = "...";
        if (textWidth > availTextWidth) {
            int totalWidth = SwingUtilities.computeStringWidth(fm, clipString);
            int nChars;
            for(nChars = 0; nChars < text.length(); nChars++) {
                totalWidth += fm.charWidth(text.charAt(nChars));
                if (totalWidth > availTextWidth) {
                    break;
                }
            }
            text = text.substring(0, nChars) + clipString;
        }
        return text;
    }


    /**
     * Actions used to <code>close</code> the <code>Window</code>.
     */
    private class CloseAction extends AbstractAction {
        public CloseAction() {
            super(UIManager.getString("MetalTitlePane.closeTitle",
                                      getLocale()));
        }

        public void actionPerformed(ActionEvent e) {
            close();
        }      
    }


    /**
     * Actions used to <code>iconfiy</code> the <code>Frame</code>.
     */
    private class IconifyAction extends AbstractAction {
        public IconifyAction() {
            super(UIManager.getString("MetalTitlePane.iconifyTitle",
                                      getLocale()));
        }

        public void actionPerformed(ActionEvent e) {
            iconify();
        }
    } 


    /**
     * Actions used to <code>restore</code> the <code>Frame</code>.
     */
    private class RestoreAction extends AbstractAction {
        public RestoreAction() {
            super(UIManager.getString
                  ("MetalTitlePane.restoreTitle", getLocale()));
        }

        public void actionPerformed(ActionEvent e) {
            restore();
        }
    }


    /**
     * Actions used to <code>restore</code> the <code>Frame</code>.
     */
    private class MaximizeAction extends AbstractAction {
        public MaximizeAction() {
            super(UIManager.getString("MetalTitlePane.maximizeTitle",
                                      getLocale()));
        }

        public void actionPerformed(ActionEvent e) {
            maximize();
        }
    }


    /**
     * Class responsible for drawing the system menu. Looks up the
     * image to draw from the Frame associated with the
     * <code>JRootPane</code>.
     */
    private class SystemMenuBar extends JMenuBar {
        public void paint(Graphics g) {
            Frame frame = getFrame();

            if (isOpaque()) {
                g.setColor(getBackground());
                g.fillRect(0, 0, getWidth(), getHeight());
            }
            Image image = (frame != null) ? frame.getIconImage() : null;

            if (image != null) {
                g.drawImage(image, 0, 0, IMAGE_WIDTH, IMAGE_HEIGHT, null);
            } else {
                Icon icon = UIManager.getIcon("InternalFrame.icon");

                if (icon != null) {
                    icon.paintIcon(this, g, 0, 0);
                }
            }
        }
        public Dimension getMinimumSize() {
            return getPreferredSize();
        }
        public Dimension getPreferredSize() {
            Dimension size = super.getPreferredSize();

            return new Dimension(Math.max(IMAGE_WIDTH, size.width),
                                 Math.max(size.height, IMAGE_HEIGHT));
        }
    }

    /**
     * This inner class is marked &quot;public&quot; due to a compiler bug.
     * This class should be treated as a &quot;protected&quot; inner class.
     * Instantiate it only within subclasses of <Foo>.
     */
    private class TitlePaneLayout implements LayoutManager {  
        public void addLayoutComponent(String name, Component c) {}
        public void removeLayoutComponent(Component c) {}   
        public Dimension preferredLayoutSize(Container c)  {
            int height = computeHeight();
            return new Dimension(height, height);
        }
        
        public Dimension minimumLayoutSize(Container c) {
            return preferredLayoutSize(c);
        } 
    
        private int computeHeight() {      

            FontMetrics fm = getFontMetrics(getFont());
//                = Toolkit.getDefaultToolkit().getFontMetrics(getFont());
            int fontHeight = fm.getHeight();
            fontHeight += 7;
            int iconHeight = 0;
            if (getWindowDecorationStyle() == JRootPane.FRAME) {
                iconHeight = IMAGE_HEIGHT;
            }

            int finalHeight = Math.max( fontHeight, iconHeight );
            return finalHeight;
        }    
                    
        public void layoutContainer(Container c) {
            if (getWindowDecorationStyle() != JRootPane.FRAME) {
                buttonsWidth = 0;
                return;
            }
            boolean leftToRight = (window == null) ?
                               getRootPane().getComponentOrientation().isLeftToRight() :
                               window.getComponentOrientation().isLeftToRight();

            int w = getWidth();
            int x; 
            int y = 3;
            int spacing;
            int buttonHeight; 
            int buttonWidth;
            
            if (closeButton != null && closeButton.getIcon() != null) {
                buttonHeight = closeButton.getIcon().getIconHeight(); 
                buttonWidth = closeButton.getIcon().getIconWidth();
            }
            else {
                buttonHeight = IMAGE_HEIGHT;
                buttonWidth = IMAGE_WIDTH;
            }
            
            // assumes all buttons have the same dimensions
            // these dimensions include the borders

            x = leftToRight ? w : 0;

            spacing = 5;
            x = leftToRight ? spacing : w - buttonWidth - spacing;
            menuBar.setBounds(x, y, buttonWidth, buttonHeight);

            x = leftToRight ? w : 0;
            spacing = 4;
            x += leftToRight ? -spacing -buttonWidth : spacing;
            if (closeButton != null) {
                closeButton.setBounds(x, y, buttonWidth, buttonHeight);
            }

            if( !leftToRight ) x += buttonWidth;

            if (Toolkit.getDefaultToolkit().isFrameStateSupported(
                    Frame.MAXIMIZED_BOTH)) {
                if (toggleButton.getParent() != null) {
                    spacing = 1;//10
                    x += leftToRight ? -spacing -buttonWidth : spacing;
                    toggleButton.setBounds(x, y, buttonWidth, buttonHeight);
                    if (!leftToRight) {
                        x += buttonWidth;
                    }
                }
            }

            if (iconifyButton != null && iconifyButton.getParent() != null) {
                spacing = 1;
                x += leftToRight ? -spacing -buttonWidth : spacing;
                iconifyButton.setBounds(x, y, buttonWidth, buttonHeight);
                if (!leftToRight) {
                    x += buttonWidth;
                }
            }
            buttonsWidth = leftToRight ? w - x : x;
        }
    }



    /**
     * PropertyChangeListener installed on the Window. Updates the necessary
     * state as the state of the Window changes.
     */
    private class PropertyChangeHandler implements PropertyChangeListener {
        public void propertyChange(PropertyChangeEvent pce) {
            String name = pce.getPropertyName();

            // Frame.state isn't currently bound.
            if ("resizable".equals(name) || "state".equals(name)) {
                Frame frame = getFrame();

                if (frame != null) {
                    setState(frame.getExtendedState(), true);
                }
                if ("resizable".equals(name)) {
                    getRootPane().repaint();
                }
            }
            else if ("title".equals(name)) {
                repaint();
            }
            else if ("componentOrientation".equals(name)) {
                revalidate();
                repaint();
            }
        }
    }


    /**
     * WindowListener installed on the Window, updates the state as necessary.
     */
    private class WindowHandler extends WindowAdapter {
        public void windowActivated(WindowEvent ev) {
            setActive(true);
        }

        public void windowDeactivated(WindowEvent ev) {
            setActive(false);
        }
    }

}