public function updateCMSFields(\FieldList $fields)
 {
     parent::updateCMSFields($fields);
     $field = new DateField('FromDate');
     $field->setConfig('showcalendar', true);
     $field->setConfig('dateformat', 'dd/MM/YYYY');
     $field->setTitle(_t("BlogEntry.FROMDT", "Date"));
     if ($this->owner->Created == $this->owner->LastEdited) {
         // In caso di nuovo post, setto il campo FromDate ad oggi
         $now = Zend_Date::now();
         $this->owner->FromDate = $now->toString('d/M/Y');
     }
     $fields->addFieldToTab('Root.PublishedPeriod', $field);
     $field = new DateField('ToDate');
     $field->setConfig('showcalendar', true);
     $field->setConfig('dateformat', 'dd/MM/YYYY');
     $field->setTitle(_t("BlogEntry.TODT", "Date"));
     $fields->addFieldToTab('Root.PublishedPeriod', $field);
 }