docs: public void addListeners()
      {
          super.addListeners();
          this.addMainKeyBehavior();
          if (!this.getHeaderRecord().getField(ClassInfo.CLASS_NAME).isNull())
          {
              if (this.getMainRecord().getEditMode() != DBConstants.EDIT_CURRENT)
                  if (this.getMainRecord().getEditMode() != DBConstants.EDIT_IN_PROGRESS)
                      this.getMainRecord().getField(FileHdr.FILE_NAME).moveFieldToThis(this.getHeaderRecord().getField(ClassInfo.CLASS_NAME));    // Current filename
          }
      }