code: public void setDropdownAlignRight(final DropdownAlignRight dropdownAlignRight) {
          if (dropdownAlignRight != null)
              attrMixin.setAttribute(DROPDOWN_ALIGN_RIGHT, dropdownAlignRight.getValue());
          else
              attrMixin.removeAttribute(DROPDOWN_ALIGN_RIGHT);
      }
docs: Sets the drop-down menu right alignment.<br>
  <br>
  Defaults to {@link DropdownAlignRight#FALSE}.
  
  @param dropdownAlignRight
  @see DropdownAlignRight