{% macro render_field(form, fields, scope) %}
    {% import _self as self %}

    {% for index, field in fields %}
        {% set input = attribute(field, "input@") %}

        {% if input is null or input == true %}

            {% if form.value(scope ~ field.name) %}
                {% block field %}
                    <div>
                        {% block field_label %}
                            <strong>{{ field.label|t|e }}</strong>:
                        {% endblock %}

                        {% block field_value %}
                            {% if field.type == 'checkboxes' %}
                                <ul>
                                    {% set use_keys = field.use is defined and field.use == 'keys' %}
                                    {% for key,value in form.value(scope ~ field.name) %}
                                        {% set index = (use_keys ? key : value) %}
                                        <li>{{ field.options[index]|e }}</li>
                                    {% endfor %}
                                </ul>
                            {% elseif field.type == 'checkbox' %}
                                {{ (form.value(scope ~ field.name) == 1) ? "GRAV.YES"|t|e : "GRAV.NO"|t|e }}
                            {% elseif field.type == 'select' %}
                                {{ field.options[form.value(scope ~ field.name)]|e }}
                            {% else %}
                                {{ string(form.value(scope ~ field.name))|nl2br }}
                            {% endif %}
                        {% endblock %}
                    </div>
                {% endblock %}
            {% endif %}
        {% else %}
            {% if field.fields %}
                {% set new_scope = field.nest_id ? scope ~ field.name ~ '.' : scope %}
                {{ self.render_field(form, field.fields, new_scope) }}
            {% endif %}
        {% endif %}
    {% endfor %}
{% endmacro %}

{% import _self as macro %}

{{ macro.render_field(form, form.fields, '') }}