code: public void setEnabled(boolean bEditing)
      {
          super.setEnabled(bEditing);
          if (!bEditing)
          {   // Turn the nav buttons back on!
              for (int iFieldSeq = 0; iFieldSeq < this.getNavCount(); iFieldSeq++)
              {
                  ScreenField sField = this.getSField(iFieldSeq);
                  if (!(sField instanceof ToolScreen))
                      sField.setEnabled(true);
              }
              this.getScreenFieldView().setEnabled(true);    // Sorry, but the JTable needs to be enabled always
          }
      }
docs: Enable or disable all fields.
  @param bEditing True to enable all the fields (for input).