checkbox.pt

<div tal:define="
     oid oid|field.oid;
     true_val true_val|field.widget.true_val;"
     i18n:domain="deform">
  <p class="deform-readonly-true form-control-static" 
       id="${oid}"
       tal:condition="cstruct == true_val"
       i18n:translate="">True</p>
  <p class="deform-readonly-false form-control-static" 
       id="${oid}"
       tal:condition="cstruct != true_val"
       i18n:translate="">False</p>
</div>