docs: public void validateParam() throws Exception {
          Enumeration<AbstractParamPanel> en = tablePanel.elements();
          AbstractParamPanel panel = null;
          while (en.hasMoreElements()) {
              panel = en.nextElement();
              try {
                  panel.validateParam(paramObject);
              } catch (Exception e) {
                  showParamPanel(panel, panel.getName());
                  throw e;
              }
          }
      }