public  void addLayoutComponent(String name,
    Component c) 
{
              
            if ("Next".equals(name)) {
                nextButton = c;
            }
            else if ("Previous".equals(name)) {
                previousButton = c;
            }
            else if ("Editor".equals(name)) {
                editor = c;
            }
}

 public  void layoutContainer(Container parent) 
{
            int width  = parent.getWidth();
            int height = parent.getHeight();
            Insets insets = parent.getInsets();
            Dimension nextD = preferredSize(nextButton);
            Dimension previousD = preferredSize(previousButton);
            int buttonsWidth = Math.max(nextD.width, previousD.width);
            int editorHeight = height - (insets.top + insets.bottom);
            // The arrowButtonInsets value is used instead of the JSpinner's
            // insets if not null. Defining this to be (0, 0, 0, 0) causes the
            // buttons to be aligned with the outer edge of the spinner's
            // border, and leaving it as "null" places the buttons completely
            // inside the spinner's border.
            Insets buttonInsets = UIManager.getInsets("Spinner.arrowButtonInsets");
            if (buttonInsets == null) {
                buttonInsets = insets;
            }
            /* Deal with the spinner's componentOrientation property.
             */
            int editorX, editorWidth, buttonsX;
            if (parent.getComponentOrientation().isLeftToRight()) {
                editorX = insets.left;
                editorWidth = width - insets.left - buttonsWidth - buttonInsets.right;
                buttonsX = width - buttonsWidth - buttonInsets.right;
            } else {
                buttonsX = buttonInsets.left;
                editorX = buttonsX + buttonsWidth;
                editorWidth = width - buttonInsets.left - buttonsWidth - insets.right;
            }
            int nextY = buttonInsets.top;
            int nextHeight = (height / 2) + (height % 2) - nextY;
            int previousY = buttonInsets.top + nextHeight;
            int previousHeight = height - previousY - buttonInsets.bottom;
            setBounds(editor,         editorX,  insets.top, editorWidth, editorHeight);
            setBounds(nextButton,     buttonsX, nextY,      buttonsWidth, nextHeight);
            setBounds(previousButton, buttonsX, previousY,  buttonsWidth, previousHeight);
}

 public Dimension minimumLayoutSize(Container parent) 
{
            return preferredLayoutSize(parent);
}

 public Dimension preferredLayoutSize(Container parent) 
{
            Dimension nextD = preferredSize(nextButton);
            Dimension previousD = preferredSize(previousButton);
            Dimension editorD = preferredSize(editor);
            /* Force the editors height to be a multiple of 2
             */
            editorD.height = ((editorD.height + 1) / 2) * 2;
            Dimension size = new Dimension(editorD.width, editorD.height);
            size.width += Math.max(nextD.width, previousD.width);
            Insets insets = parent.getInsets();
            size.width += insets.left + insets.right;
            size.height += insets.top + insets.bottom;
            return size;
}

 public  void propertyChange(PropertyChangeEvent e) 
{
            String propertyName = e.getPropertyName();
            if (e.getSource() instanceof JSpinner) {
                JSpinner spinner = (JSpinner)(e.getSource());
                SpinnerUI spinnerUI = spinner.getUI();
                if (spinnerUI instanceof BasicSpinnerUI) {
                    BasicSpinnerUI ui = (BasicSpinnerUI)spinnerUI;
                    if ("editor".equals(propertyName)) {
                        JComponent oldEditor = (JComponent)e.getOldValue();
                        JComponent newEditor = (JComponent)e.getNewValue();
                        ui.replaceEditor(oldEditor, newEditor);
                        ui.updateEnabledState();
                        if (oldEditor instanceof JSpinner.DefaultEditor) {
                            JTextField tf =
                                ((JSpinner.DefaultEditor)oldEditor).getTextField();
                            if (tf != null) {
                                tf.removeFocusListener(nextButtonHandler);
                                tf.removeFocusListener(previousButtonHandler);
                            }
                        }
                        if (newEditor instanceof JSpinner.DefaultEditor) {
                            JTextField tf =
                                ((JSpinner.DefaultEditor)newEditor).getTextField();
                            if (tf != null) {
                                if (tf.getFont() instanceof UIResource) {
                                    tf.setFont(spinner.getFont());
                                }
                                tf.addFocusListener(nextButtonHandler);
                                tf.addFocusListener(previousButtonHandler);
                            }
                        }
                    }
                    else if ("enabled".equals(propertyName) ||
                             "model".equals(propertyName)) {
                        ui.updateEnabledState();
                    }
                else if ("font".equals(propertyName)) {
                    JComponent editor = spinner.getEditor();
                    if (editor!=null && editor instanceof JSpinner.DefaultEditor) {
                        JTextField tf =
                            ((JSpinner.DefaultEditor)editor).getTextField();
                        if (tf != null) {
                            if (tf.getFont() instanceof UIResource) {
                                tf.setFont(spinner.getFont());
                            }
                        }
                    }
                }
                else if (JComponent.TOOL_TIP_TEXT_KEY.equals(propertyName)) {
                    updateToolTipTextForChildren(spinner);
                }
                }
            } else if (e.getSource() instanceof JComponent) {
                JComponent c = (JComponent)e.getSource();
                if ((c.getParent() instanceof JPanel) &&
                    (c.getParent().getParent() instanceof JSpinner) &&
                    "border".equals(propertyName)) {
                    JSpinner spinner = (JSpinner)c.getParent().getParent();
                    SpinnerUI spinnerUI = spinner.getUI();
                    if (spinnerUI instanceof BasicSpinnerUI) {
                        BasicSpinnerUI ui = (BasicSpinnerUI)spinnerUI;
                        ui.maybeRemoveEditorBorder(c);
                    }
                }
            }
}

 public  void removeLayoutComponent(Component c) 
{
            if (c == nextButton) {
                nextButton = null;
            }
            else if (c == previousButton) {
                previousButton = null;
            }
            else if (c == editor) {
                editor = null;
            }
}

 public  void stateChanged(ChangeEvent e) 
{
            if (e.getSource() instanceof JSpinner) {
                JSpinner spinner = (JSpinner)e.getSource();
                SpinnerUI spinnerUI = spinner.getUI();
                if (DefaultLookup.getBoolean(spinner, spinnerUI,
                    "Spinner.disableOnBoundaryValues", false) &&
                    spinnerUI instanceof BasicSpinnerUI) {
                    BasicSpinnerUI ui = (BasicSpinnerUI)spinnerUI;
                    ui.updateEnabledState();
                }
            }
}