src/org/tiefaces/components/websheet/utility/WebSheetUtility.java
public static int cellCompareTo(final Cell thisCell,
			final Cell otherCell) {
		int r = thisCell.getRowIndex() - otherCell.getRowIndex();
		if (r != 0) {
			return r;
		}

		r = thisCell.getColumnIndex() - otherCell.getColumnIndex();
		if (r != 0) {
			return r;
		}

		return 0;
	}
public static int cellCompareTo(final Cell thisCell,
			final Cell otherCell) {
		int r = thisCell.getRowIndex() - otherCell.getRowIndex();
		if (r != 0) {
			return r;
		}

		r = thisCell.getColumnIndex() - otherCell.getColumnIndex();
		if (r != 0) {
			return r;
		}

		return 0;
	}
Cell compare to.

@param thisCell
the this cell
@param otherCell
the other cell
@return the int