openstamanager/modules/interventi/buttons.php

<?php

include_once __DIR__.'/../../core.php';

if (empty($record['firma_file'])) {
    $frase = tr('Anteprima e firma');
    $info_firma = '';
} else {
    $frase = tr('Nuova anteprima e firma');
    $info_firma = '<span class="label label-success"><i class="fa fa-edit"></i> '.tr('Firmato il _DATE_ alle _TIME_ da _PERSON_', [
        '_DATE_' => Translator::dateToLocale($record['firma_data']),
        '_TIME_' => Translator::timeToLocale($record['firma_data']),
        '_PERSON_' => '<b>'.$record['firma_nome'].'</b>',
    ]).'</span>';
}

// Duplica intervento
echo'
<button type="button" class="btn btn-primary " onclick="duplicaIntervento()">
    <i class="fa fa-copy"></i> '.tr('Duplica attività').'
</button>

<!-- EVENTUALE FIRMA GIA\' EFFETTUATA -->
'.$info_firma.'

<button type="button" class="btn btn-primary" onclick="anteprimaFirma()" '.($record['flag_completato'] ? 'disabled' : '').'>
    <i class="fa fa-desktop"></i> '.$frase.'...
</button>

<script>
function duplicaIntervento() {
    openModal("'.tr('Duplica attività').'", "'.$module->fileurl('modals/duplicazione.php').'?id_module='.$id_module.'&id_record='.$id_record.'");
}

function anteprimaFirma() {
    openModal("'.tr('Anteprima e firma').'", "'.$module->fileurl('add_firma.php').'?id_module='.$id_module.'&id_record='.$id_record.'&anteprima=1");
}
</script>';