/**
* Insert an empty placeholder SDT, to facilitate round-tripping (ie ability to convert instance
* docx back to original template), which you may wish to do if you want to insert updated data,
* but preserve certain manual edits.
*
* @param sdt
* @return
*/
private List<Object> repeatZero(Object sdt) {
List<Object> newContent = new ArrayList<Object>();
// if (removeSdtCellsOnFailedCondition) {
// // backward compatibility
// // NB this is not compatible with reverting functionality, and
// // will break if the result is an empty tc
// return newContent;
// }
newContent.add(sdt);
// Change the tag to od:resultRepeatZero
SdtPr sdtPr = getSdtPr(sdt);
CTDataBinding binding = sdtPr.getDataBinding();
if (binding != null) { // Shouldn't be a binding anyway
sdtPr.getRPrOrAliasOrLock().remove(binding);
}
Tag tag = sdtPr.getTag();
final String tagVal = tag.getVal();
final Pattern stripRepeatArgPattern = Pattern.compile("(.*od:repeat=)([^&]*)(.*)");
final Matcher stripPatternMatcher = stripRepeatArgPattern.matcher(tagVal);
if (!stripPatternMatcher.matches()) {
log.error(
"Cannot find repeat tag in sdtPr/tag while processing repeat; something is wrong with "
+ tagVal);
return newContent;
}
final String emptyRepeatValue =
BINDING_RESULT_RPTD_ZERO
+ "="
+ stripPatternMatcher.group(2)
+ stripPatternMatcher.group(3);
tag.setVal(emptyRepeatValue);
// Lock it
CTLock lock = Context.getWmlObjectFactory().createCTLock();
lock.setVal(org.docx4j.wml.STLock.SDT_CONTENT_LOCKED);
JAXBElement<org.docx4j.wml.CTLock> lockWrapped =
Context.getWmlObjectFactory().createSdtPrLock(lock);
sdtPr.getRPrOrAliasOrLock().add(lockWrapped); // assumes no lock is there already
// Empty the content
// .. OpenDoPEIntegrity fixes this where it is not OK, but
// where it needs to insert a tc, it has no way of adding original tcPr, so
// we handle this here
TcFinder tcFinder = new TcFinder();
new TraversalUtil(((SdtElement) sdt).getSdtContent().getContent(), tcFinder);
if (tcFinder.tcList.size() > 0) {
Tc tc = tcFinder.tcList.get(0);
tc.getContent().clear();
P p = Context.getWmlObjectFactory().createP();
tc.getContent().add(p);
((SdtElement) sdt).getSdtContent().getContent().clear();
((SdtElement) sdt).getSdtContent().getContent().add(tc);
} else {
((SdtElement) sdt).getSdtContent().getContent().clear();
}
return newContent;
}
