php - Symfony form theme flat items -

i have nested object collectiontypes , subforms needed database mapping. in frontend want output fields on same html tree. add div around subforms , collection types. here theme

{% block form_row %} <div class="form-item"  {{ block('widget_container_attributes') }}>     {{- form_label(form) -}}     {{- form_errors(form) -}}     {{- form_widget(form) -}} </div> {% endblock %}  {%- block form_widget_compound -%}     {%- if form.parent empty -%}         {{ form_errors(form) }}     {%- endif -%}     {{- block('form_rows') -}}     {{- form_rest(form) -}} {%- endblock form_widget_compound -%} 

example object:

• username
• email
• contact (one-to-one)
  • firstname
  • lastname
  • contactaddresses (one-to-many)
    • address ( many-to-many )
    • street
    • number
    • zip

as have multiple object in project , want use same form theme all. how can detect if subform or collectiontype not render added div in form_row.

first thought compound parameter looked compound true when form type choice.

my current solution set getblockprefix every form type same entity same. not solution i'm happy seems solution.