return null;
Element el = getElement(); if (pos < el.getStartOffset() || pos >= el.getEndOffset()) throw new BadLocationException("Illegal offset for this view", pos); Rectangle r = a.getBounds(); Component c = getComponent(); return new Rectangle(r.x, r.y, c.getWidth(), c.getHeight());
    public Shape modelToView(int pos, Shape a, Position.Bias b)      throws BadLocationException    {    // TODO: Implement this properly.	return null;    }