code: boolean checkValidation() {
  
          boolean result;
          if (m_changedEntityIds.isEmpty()) {
              result = true;
          } else if (m_saveButton.isEnabled()) {
              result = true;
          } else {
              result = false;
              CmsNotification.get().send(Type.ERROR, m_saveButton.getDisabledReason());
          }
          return result;
      }
docs: Checks if the content is valid and sends a notification if not.<p>
  This will not trigger a validation run, but will use the latest state.<p>
  
  @return <code>true</code> in case there are no validation issues