src/org/tiefaces/components/websheet/utility/ShiftFormulaUtility.java
private static Ptg[] convertPtgForWatchList(final Ptg[] ptgs,
			final int position, final ShiftFormulaRef shiftFormulaRef,
			final Object ptg, final byte originalOperandClass,
			final int currentRow) {
		List<SerialRow> rowlist = getRowsList(currentRow,
				shiftFormulaRef.getCurrentRowsMappingList());
		if ((rowlist == null) || (rowlist.isEmpty())) {
			// no need change ptg
			return singlePtg(ptg, originalOperandClass, -1);
		}
		shiftFormulaRef.setFormulaChanged(1);
		// one to one or has no round brackets
		if ((rowlist.size() == 1) || ((position + 1) >= ptgs.length)
				|| !(ptgs[position + 1] instanceof ParenthesisPtg)) {
			// change ptg one to one
			// return changed ptg
			return singlePtg(
					fixupRefRelativeRowOneToOne(ptg,
							rowlist.get(0).getRow()),
					originalOperandClass, -1);
		}
		shiftFormulaRef.setFormulaChanged(rowlist.size());
		return fixupRefRelativeRowOneToMany(ptg, originalOperandClass,
				rowlist, ptgs, position);
	}
private static Ptg[] convertPtgForWatchList(final Ptg[] ptgs,
			final int position, final ShiftFormulaRef shiftFormulaRef,
			final Object ptg, final byte originalOperandClass,
			final int currentRow) {
		List<SerialRow> rowlist = getRowsList(currentRow,
				shiftFormulaRef.getCurrentRowsMappingList());
		if ((rowlist == null) || (rowlist.isEmpty())) {
			// no need change ptg
			return singlePtg(ptg, originalOperandClass, -1);
		}
		shiftFormulaRef.setFormulaChanged(1);
		// one to one or has no round brackets
		if ((rowlist.size() == 1) || ((position + 1) >= ptgs.length)
				|| !(ptgs[position + 1] instanceof ParenthesisPtg)) {
			// change ptg one to one
			// return changed ptg
			return singlePtg(
					fixupRefRelativeRowOneToOne(ptg,
							rowlist.get(0).getRow()),
					originalOperandClass, -1);
		}
		shiftFormulaRef.setFormulaChanged(rowlist.size());
		return fixupRefRelativeRowOneToMany(ptg, originalOperandClass,
				rowlist, ptgs, position);
	}
Convert ptg for watch list.

@param ptgs
the ptgs
@param position
the position
@param shiftFormulaRef
the shift formula ref
@param ptg
the ptg
@param originalOperandClass
the original operand class
@param currentRow
the current row
@return the ptg[]