mHeadingElement.setTextOutlineLevelAttribute(level);
} else {
if (isHeading()) {
// need create new paragraph element and clone content.
OdfFileDom ownerDocument = (OdfFileDom) getOdfElement().getOwnerDocument();
mParagraphElement = ownerDocument.newOdfElement(TextPElement.class);
Node firstChild = mHeadingElement.getFirstChild();
while (firstChild != null) {
Node thisChild = firstChild;
firstChild = firstChild.getNextSibling();
mHeadingElement.removeChild(thisChild);