TableTableCellElement aCellEle = (TableTableCellElement) refCell.getOdfElement();
coveredHeigth = aCellEle.getTableNumberRowsSpannedAttribute();
if (coveredHeigth == 1) {
TableTableCellElement newCellEle = (TableTableCellElement) aCellEle.cloneNode(true);
cleanCell(newCellEle);
aRow.appendChild(newCellEle);
} else { // cover more rows
aCellEle.setTableNumberRowsSpannedAttribute(coveredHeigth + 1);
TableCoveredTableCellElement newCellEle = (TableCoveredTableCellElement) OdfXMLFactory
.newOdfElement((OdfFileDom) mTableElement.getOwnerDocument(), OdfName.newName(
OdfDocumentNamespace.TABLE, "covered-table-cell"));