public final void nextElement(FE element) throws BuildException {
if (element == null || mCurrRow < 0 || mCurrRow >= mRows.size()) {
throw new BuildException().setMissingData("Field2D", "NextElement null or no row yet");
}
List<FE> row = mRows.get(mCurrRow);
element.mY = mCurrRow;
element.mX = row.size();
row.add(element);
}
