{% with _active = (active is not defined or active or active is none) %}
    <td class="{{ model.FLAG_ACTIVE }}">
        {% set attribute_text = model.ATTR_VALUE_CURRENT + '=' + _active | lower + ' ' + model.ATTR_VALUE_PREVIOUS + '=' + _active | lower + '' %}
        {% if _active %}
            {% set class_name = '' %}
            {% include 'components/common/buttons/_icon_trash.html' %}
        {% else %}
            {% set class_name = model.FLAG_ACTIVE %}
            {% include 'components/common/buttons/_icon_add.html' %}
        {% endif %}
    </td>
{% endwith %}