/**
	 * Change the size requests for this shape.  An invalidate() is
	 * propagated upward as a result so that layout will eventually
	 * happen with using the new sizes.
	 *
	 * @param min   Value to return for getMinimumSize
	 * @param pref  Value to return for getPreferredSize
	 * @param max   Value to return for getMaximumSize
	 */
        public void changeShape(Dimension min, Dimension pref, Dimension max) {
            setMinimumSize(min);
            setPreferredSize(pref);
            setMaximumSize(max);
            revalidate();
	}

	// ---- Component methods ------------------------------------------

        /**
         * Paints this <code>Filler</code>.  If this
         * <code>Filler</code> has a UI this method invokes super's
         * implementation, otherwise if this <code>Filler</code> is
         * opaque the <code>Graphics</code> is filled using the
         * background.
         *
         * @param g the <code>Graphics</code> to paint to
         * @throws NullPointerException if <code>g</code> is null
         * @since 1.6
         */
        protected void paintComponent(Graphics g) {
            if (ui != null) {
                // On the off chance some one created a UI, honor it
                super.paintComponent(g);
            } else if (isOpaque()) {
                g.setColor(getBackground());
                g.fillRect(0, 0, getWidth(), getHeight());
            }
        }

/////////////////
// Accessibility support for Box$Filler
////////////////

        /**
         * Gets the AccessibleContext associated with this Box.Filler. 
         * For box fillers, the AccessibleContext takes the form of an 
         * AccessibleBoxFiller. 
         * A new AccessibleAWTBoxFiller instance is created if necessary.
         *
         * @return an AccessibleBoxFiller that serves as the 
         *         AccessibleContext of this Box.Filler.
         */
        public AccessibleContext getAccessibleContext() {
	    if (accessibleContext == null) {
		accessibleContext = new AccessibleBoxFiller();
	    }
	    return accessibleContext;
        }

        /**
         * This class implements accessibility support for the 
         * <code>Box.Filler</code> class.
         */
	protected class AccessibleBoxFiller extends AccessibleAWTComponent {
            // AccessibleContext methods
            //
            /**
             * Gets the role of this object.
             *
             * @return an instance of AccessibleRole describing the role of
             *   the object (AccessibleRole.FILLER)
             * @see AccessibleRole
             */
            public AccessibleRole getAccessibleRole() {
                return AccessibleRole.FILLER;
            }
        }
    }

/////////////////
// Accessibility support for Box
////////////////

    /**
     * Gets the AccessibleContext associated with this Box. 
     * For boxes, the AccessibleContext takes the form of an 
     * AccessibleBox. 
     * A new AccessibleAWTBox instance is created if necessary.
     *
     * @return an AccessibleBox that serves as the 
     *         AccessibleContext of this Box
     */
    public AccessibleContext getAccessibleContext() {
	if (accessibleContext == null) {
	    accessibleContext = new AccessibleBox();
	}
	return accessibleContext;
    }