public void collapseIfEmpty() {
final XmlTag[] tags = getSubTags();
if (tags.length > 0) {
return;
}
final ASTNode closingName = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(this);
final ASTNode startTagEnd = XmlChildRole.START_TAG_END_FINDER.findChild(this);
if (closingName == null || startTagEnd == null) {
return;
}
final PomModel pomModel = PomManager.getModel(getProject());
final PomTransactionBase transaction =
new PomTransactionBase(this, pomModel.getModelAspect(XmlAspect.class)) {
@Nullable
public PomModelEvent runInner() {
final ASTNode closingBracket = closingName.getTreeNext();
removeRange(startTagEnd, closingBracket);
final LeafElement emptyTagEnd =
Factory.createSingleLeafElement(
XmlTokenType.XML_EMPTY_ELEMENT_END, "/>", 0, 2, null, getManager());
replaceChild(closingBracket, emptyTagEnd);
return null;
}
};
try {
pomModel.runTransaction(transaction);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@NotNull
public PsiReference[] getReferences() {
ProgressManager.checkCanceled();
final ASTNode startTagName = XmlChildRole.START_TAG_NAME_FINDER.findChild(this);
if (startTagName == null) return PsiReference.EMPTY_ARRAY;
final ASTNode endTagName = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(this);
List<PsiReference> refs = new ArrayList<PsiReference>();
String prefix = getNamespacePrefix();
TagNameReference startTagRef =
TagNameReference.createTagNameReference(this, startTagName, true);
refs.add(startTagRef);
if (prefix.length() > 0) {
refs.add(createPrefixReference(startTagName, prefix, startTagRef));
}
if (endTagName != null) {
TagNameReference endTagRef = TagNameReference.createTagNameReference(this, endTagName, false);
refs.add(endTagRef);
prefix = XmlUtil.findPrefixByQualifiedName(endTagName.getText());
if (StringUtil.isNotEmpty(prefix)) {
refs.add(createPrefixReference(endTagName, prefix, endTagRef));
}
}
// ArrayList.addAll() makes a clone of the collection
//noinspection ManualArrayToCollectionCopy
for (PsiReference ref :
ReferenceProvidersRegistry.getReferencesFromProviders(this, XmlTag.class)) {
refs.add(ref);
}
return ContainerUtil.toArray(refs, new PsiReference[refs.size()]);
}
