'Representation function
@param value: the value to represent'

def represent(self, value, row=None):

    css_class = base_class = 'prio'
    classes = self.classes
    if classes:
        suffix = classes.get(value)
        if suffix:
            css_class = ('%s    %s-%s' % (css_class, base_class, suffix))
    label = self.options.get(value)
    return DIV(label, _class=css_class)
