function set_values($Tab)
 {
     global $db, $user;
     if ($this->fk_project_task) {
         require_once DOL_DOCUMENT_ROOT . '/projet/class/task.class.php';
         $projectTask = new Task($db);
         $projectTask->fetch($this->fk_project_task);
         if (isset($Tab['nb_hour'])) {
             $projectTask->planned_workload = Tools::string2num($Tab['nb_hour']) * 3600;
         }
         if (isset($Tab['progress'])) {
             $projectTask->progress = $Tab['progress'];
             unset($Tab['progress']);
         }
         $projectTask->update($user);
     }
     parent::set_values($Tab);
 }