public boolean commitTransaction(final Document document) {
ApplicationManager.getApplication().assertIsDispatchThread();
final DocumentChangeTransaction documentChangeTransaction = removeTransaction(document);
if (documentChangeTransaction == null) return false;
final PsiElement changeScope = documentChangeTransaction.getChangeScope();
try {
mySyncDocument = document;
final PsiTreeChangeEventImpl fakeEvent = new PsiTreeChangeEventImpl(changeScope.getManager());
fakeEvent.setParent(changeScope);
fakeEvent.setFile(changeScope.getContainingFile());
doSync(
fakeEvent,
true,
new DocSyncAction() {
@Override
public void syncDocument(Document document, PsiTreeChangeEventImpl event) {
doCommitTransaction(document, documentChangeTransaction);
}
});
myBus
.syncPublisher(PsiDocumentTransactionListener.TOPIC)
.transactionCompleted(document, (PsiFile) changeScope);
} finally {
mySyncDocument = null;
}
return true;
}
private void replaceString(
Document document,
int startOffset,
int endOffset,
String s,
@Nullable PsiElement replacement) {
final DocumentChangeTransaction documentChangeTransaction = getTransaction(document);
if (documentChangeTransaction != null) {
documentChangeTransaction.replace(startOffset, endOffset - startOffset, s, replacement);
}
}
private static void doCommitTransaction(
@NotNull Document document, @NotNull DocumentChangeTransaction documentChangeTransaction) {
DocumentEx ex = (DocumentEx) document;
ex.suppressGuardedExceptions();
try {
boolean isReadOnly = !document.isWritable();
ex.setReadOnly(false);
final Set<Pair<MutableTextRange, StringBuffer>> affectedFragments =
documentChangeTransaction.getAffectedFragments();
for (final Pair<MutableTextRange, StringBuffer> pair : affectedFragments) {
final StringBuffer replaceBuffer = pair.getSecond();
final MutableTextRange range = pair.getFirst();
if (replaceBuffer.length() == 0) {
ex.deleteString(range.getStartOffset(), range.getEndOffset());
} else if (range.getLength() == 0) {
ex.insertString(range.getStartOffset(), replaceBuffer);
} else {
ex.replaceString(range.getStartOffset(), range.getEndOffset(), replaceBuffer);
}
}
ex.setReadOnly(isReadOnly);
// if(documentChangeTransaction.getChangeScope() != null) {
//
// LOG.assertTrue(document.getText().equals(documentChangeTransaction.getChangeScope().getText()),
// "Psi to document synchronization failed (send to IK)");
// }
} finally {
ex.unSuppressGuardedExceptions();
}
}
private void deleteString(Document document, int startOffset, int endOffset) {
final DocumentChangeTransaction documentChangeTransaction = getTransaction(document);
if (documentChangeTransaction != null) {
documentChangeTransaction.replace(startOffset, endOffset - startOffset, "");
}
}
public void insertString(Document document, int offset, String s) {
final DocumentChangeTransaction documentChangeTransaction = getTransaction(document);
if (documentChangeTransaction != null) {
documentChangeTransaction.replace(offset, 0, s);
}
}
public void replaceString(Document document, int startOffset, int endOffset, String s) {
final DocumentChangeTransaction documentChangeTransaction = getTransaction(document);
if (documentChangeTransaction != null) {
documentChangeTransaction.replace(startOffset, endOffset - startOffset, s);
}
}