{% set value_previous = '0' if is_blank_row else button_shape_preview.id_button_shape %}
{% set text_previous = '' if is_blank_row else button_shape_preview.name %}

<div class="{{ model.FLAG_BUTTON_SHAPE }}" {{ model.ATTR_VALUE_PREVIOUS }}="{{ value_previous }}" {{ model.ATTR_VALUE_CURRENT }}="{{ value_previous }}">{{ text_previous }}</div>