private void addFoldingRegions(
Set<Position> regions, IDocumentElementNode[] nodes, IDocument document)
throws BadLocationException {
for (int i = 0; i < nodes.length; i++) {
IDocumentElementNode element = nodes[i];
int startLine = document.getLineOfOffset(element.getOffset());
int endLine = document.getLineOfOffset(element.getOffset() + element.getLength());
if (startLine < endLine) {
int start = document.getLineOffset(startLine);
int end = document.getLineOffset(endLine) + document.getLineLength(endLine);
Position position = new Position(start, end - start);
regions.add(position);
fPositionToElement.put(position, element);
}
IDocumentElementNode[] children = element.getChildNodes();
if (children != null) {
addFoldingRegions(regions, children, document);
}
}
}
@Override
public ICompletionProposal[] computeQuickAssistProposals(
IQuickAssistInvocationContext invocationContext) {
IAnnotationModel amodel = invocationContext.getSourceViewer().getAnnotationModel();
IDocument doc = invocationContext.getSourceViewer().getDocument();
int offset = invocationContext.getOffset();
Iterator<?> it = amodel.getAnnotationIterator();
TreeSet<ICompletionProposal> proposalSet =
new TreeSet<>(
new Comparator<Object>() {
@Override
public int compare(Object o1, Object o2) {
if (o1 instanceof ICompletionProposal && o2 instanceof ICompletionProposal) {
ICompletionProposal proposal1 = (ICompletionProposal) o1;
ICompletionProposal proposal2 = (ICompletionProposal) o2;
return proposal1
.getDisplayString()
.compareToIgnoreCase(proposal2.getDisplayString());
}
return 0;
}
});
while (it.hasNext()) {
Object key = it.next();
if (!(key instanceof SimpleMarkerAnnotation)) {
if (key instanceof SpellingAnnotation) {
SpellingAnnotation annotation = (SpellingAnnotation) key;
if (amodel.getPosition(annotation).overlapsWith(offset, 1)) {
ICompletionProposal[] proposals = annotation.getSpellingProblem().getProposals();
for (ICompletionProposal proposal : proposals) {
proposalSet.add(proposal);
}
}
}
continue;
}
SimpleMarkerAnnotation annotation = (SimpleMarkerAnnotation) key;
populateDataModelForAnnotation(annotation);
IMarker marker = annotation.getMarker();
IMarkerResolution[] mapping = fResMap.get(marker);
if (mapping != null) {
Position pos = amodel.getPosition(annotation);
try {
int line = doc.getLineOfOffset(pos.getOffset());
int start = pos.getOffset();
String delim = doc.getLineDelimiter(line);
int delimLength = delim != null ? delim.length() : 0;
int end = doc.getLineLength(line) + start - delimLength;
if (offset >= start && offset <= end) {
for (IMarkerResolution markerResolution : mapping) {
PDECompletionProposal proposal =
new PDECompletionProposal(markerResolution, pos, marker);
if (!proposalSet.contains(proposal)) {
proposalSet.add(proposal);
}
}
}
} catch (BadLocationException e) {
}
}
}
return proposalSet.toArray(new ICompletionProposal[proposalSet.size()]);
}
