code: protected void updateValidationStatus() {
  
          boolean hasErrors = false;
          for (CmsAliasTableRow row : m_view.getLiveData()) {
              hasErrors |= row.hasErrors();
          }
          for (CmsRewriteAliasTableRow row : m_view.getRewriteData()) {
              hasErrors |= (row.getError() != null);
          }
  
          m_view.setSaveButtonEnabled(!hasErrors);
          if (hasErrors) {
              m_view.sortByErrors();
          }
      }
docs: Enables or disables the save button of the view depending on whether there are validation errors.<p>