ticks.add(tickLabelFontField);
        b = new JButton(localizationResources.getString("Select..."));
        b.setActionCommand("SelectTickLabelFont");
        b.addActionListener(this);
        ticks.add(b);


        showTickMarksCheckBox = new JCheckBox(localizationResources.getString("Show_tick_marks"),
                                              axis.isTickMarksVisible());
        ticks.add(showTickMarksCheckBox);
        ticks.add(new JPanel());
        ticks.add(new JPanel());

        otherTabs.add(localizationResources.getString("Ticks"), ticks);

        other.add(otherTabs);

        slot1.add(other);

        slot2 = new JPanel(new BorderLayout());
        slot2.add(slot1, BorderLayout.NORTH);
        add(slot2);

    }

    /**
     * Returns the current axis label.
     *
     * @return the current axis label.
     */
    public String getLabel() {
        return label.getText();
    }

    /**
     * Returns the current label font.
     *
     * @return the current label font.
     */
    public Font getLabelFont() {
        return labelFont;
    }

    /**
     * Returns the current label paint.
     *
     * @return the current label paint.
     */
    public Paint getLabelPaint() {
        return labelPaintSample.getPaint();
    }

    /**
     * Returns a flag that indicates whether or not the tick labels are visible.
     *
     * @return <code>true</code> if ick mark labels are visible.
     */
    public boolean isTickLabelsVisible() {
        return showTickLabelsCheckBox.isSelected();
    }

    /**
     * Returns the font used to draw the tick labels (if they are showing).
     *
     * @return the font used to draw the tick labels.
     */
    public Font getTickLabelFont() {
        return tickLabelFont;
    }

    /**
     * Returns the current tick label paint.
     *
     * @return the current tick label paint.
     */
    public Paint getTickLabelPaint() {
        return tickLabelPaintSample.getPaint();
    }

    /**
     * Returns the current value of the flag that determines whether or not
     * tick marks are visible.
     *
     * @return <code>true</code> if tick marks are visible.
     */
    public boolean isTickMarksVisible() {
        return showTickMarksCheckBox.isSelected();
    }

    /**
     * Returns the current tick label insets value
     *
     * @return the current tick label insets value.
     */
    public Insets getTickLabelInsets() {
        return (this.tickLabelInsets == null)
            ? new Insets(0, 0, 0, 0)
            : this.tickLabelInsets;
    }

    /**
     * Returns the current label insets value
     *
     * @return the current label insets value.
     */
    public Insets getLabelInsets() {
        return (this.labelInsets == null) ? new Insets(0, 0, 0, 0) : this.labelInsets;
    }

    /**
     * Returns a reference to the tabbed pane.
     *
     * @return a reference to the tabbed pane.
     */
    public JTabbedPane getOtherTabs() {
        return otherTabs;
    }

    /**
     * Handles user interaction with the property panel.
     * @param event     Information about the event that triggered the call to
     *      this method.
     */
    public void actionPerformed(ActionEvent event) {
        String command = event.getActionCommand();
        if (command.equals("SelectLabelFont")) {
            attemptLabelFontSelection();
        }
        else if (command.equals("SelectLabelPaint")) {
            attemptModifyLabelPaint();
        }
        else if (command.equals("SelectTickLabelFont")) {
            attemptTickLabelFontSelection();
        }
        else if (command.equals("LabelInsets")) {
            editLabelInsets();
        }
        else if (command.equals("TickLabelInsets")) {
            editTickLabelInsets();
        }
    }

    /**
     * Presents a font selection dialog to the user.
     */
    private void attemptLabelFontSelection() {

        FontChooserPanel panel = new FontChooserPanel(labelFont);
        int result = JOptionPane.showConfirmDialog(this, panel,
            localizationResources.getString("Font_Selection"),
            JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);

        if (result == JOptionPane.OK_OPTION) {
            labelFont = panel.getSelectedFont();
            labelFontField.setText(labelFont.getFontName() + " " + labelFont.getSize());
        }

    }

    /**
     * Allows the user the opportunity to change the outline paint.
     */
    private void attemptModifyLabelPaint() {
        Color c;
        c = JColorChooser.showDialog(this, localizationResources.getString("Label_Color"),
                                     Color.blue);
        if (c != null) {
            labelPaintSample.setPaint(c);
        }
    }

    /**
     * Presents a tick label font selection dialog to the user.
     */
    public void attemptTickLabelFontSelection() {

        FontChooserPanel panel = new FontChooserPanel(tickLabelFont);
        int result = JOptionPane.showConfirmDialog(this, panel,
            localizationResources.getString("Font_Selection"),
            JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);

        if (result == JOptionPane.OK_OPTION) {
            tickLabelFont = panel.getSelectedFont();
            tickLabelFontField.setText(tickLabelFont.getFontName() + " "
                + tickLabelFont.getSize());
        }

    }

    /**
     * Presents insets chooser panel allowing user to modify tick label's
     * individual insets values. Updates the current insets text field if edit
     * is accepted.
     */
    private void editTickLabelInsets() {
        InsetsChooserPanel panel = new InsetsChooserPanel(this.tickLabelInsets);
        int result =  JOptionPane.showConfirmDialog(this, panel, 
                                                    localizationResources.getString("Edit_Insets"),
                                                    JOptionPane.PLAIN_MESSAGE);

        if (result == JOptionPane.OK_OPTION) {
            this.tickLabelInsets = panel.getInsets();
            tickLabelInsetsTextField.setInsets(this.tickLabelInsets);
        }
    }

    /**
     * Presents insets chooser panel allowing user to modify label's
     * individual insets values. Updates the current insets text field if edit
     * is accepted.
     */
    private void editLabelInsets() {
        InsetsChooserPanel panel = new InsetsChooserPanel(this.labelInsets);
        int result = JOptionPane.showConfirmDialog(this, panel, 
                                                   localizationResources.getString("Edit_Insets"),
                                                   JOptionPane.PLAIN_MESSAGE);

        if (result == JOptionPane.OK_OPTION) {
            this.labelInsets = panel.getInsets();
            labelInsetsTextField.setInsets(this.labelInsets);
        }
    }

    /**
     * Sets the properties of the specified axis to match the properties
     * defined on this panel.
     *
     * @param axis  the axis.
     */
    public void setAxisProperties(Axis axis) {
        axis.setLabel(getLabel());
        axis.setLabelFont(getLabelFont());
        axis.setLabelPaint(getLabelPaint());
        axis.setTickMarksVisible(isTickMarksVisible());
        // axis.setTickMarkStroke(getTickMarkStroke());
        axis.setTickLabelsVisible(isTickLabelsVisible());
        axis.setTickLabelFont(getTickLabelFont());
        axis.setTickLabelPaint(getTickLabelPaint());
        axis.setTickLabelInsets(getTickLabelInsets());
        axis.setLabelInsets(getLabelInsets());
    }

}