/**
  * {@inheritdoc}
  */
 public function settingsSummary()
 {
     $summary = parent::settingsSummary();
     $previewMode = $this->getSetting('preview') ? ucfirst($this->getSetting('preview_view_mode')) : "None";
     $previewUI = $this->getSetting('preview_hide_ui') ? " without UI" : " with UI";
     $previewSummary = $previewMode == 'None' ? $previewMode : $previewMode . $previewUI;
     $summary[] = t('Preview: @preview', array('@preview' => $previewSummary));
     return $summary;
 }
 /**
  * {@inheritdoc}
  */
 public function settingsSummary() {
   return parent::settingsSummary();
 }