public IEnumerable <SuggestedActionSet> GetSuggestedActions(ISuggestedActionCategorySet requestedActionCategories, SnapshotSpan range, CancellationToken cancellationToken)
{
var actionList = new List <ISuggestedAction>();
var currentSnapshot = range.Snapshot;
var first = _agg.GetTags(range).FirstOrDefault();
if (first != null)
{
actionList.Add(new RemoveDeadAnnotationSuggestedAction(currentSnapshot, first.Tag));
}
Program p;
RefactoringUtil.GetExistingProgram(currentSnapshot.TextBuffer, out p);
if (p == null)
{
return(Enumerable.Empty <SuggestedActionSet>());
}
var tld = RefactoringUtil.GetTld(p);
MemberDecl md;
RefactoringUtil.GetMemberFromPosition(tld, range.Start, out md);
if (md != null)
{
var methodSpan = RefactoringUtil.GetRangeOfMember(currentSnapshot, md);
var tagSpans = _agg.GetTags(methodSpan);
var tags = (from ts in tagSpans
select new RemoveDeadAnnotationSuggestedAction(currentSnapshot, ts.Tag)).ToList();
if (tags.Count > 0)
{
actionList.Add(new RemoveMultipleDeadAnnotationsSuggestedAction(currentSnapshot.TextBuffer, tags, DeadAnnotationLocation.Block));
}
}
var snapshotWideSpan = new SnapshotSpan(currentSnapshot, 0, currentSnapshot.Length);
var allTags = _agg.GetTags(snapshotWideSpan);
var list = allTags.Select(ts => new RemoveDeadAnnotationSuggestedAction(currentSnapshot, ts.Tag)).ToList();
if (list.Count > 0)
{
actionList.Add(new RemoveMultipleDeadAnnotationsSuggestedAction(currentSnapshot.TextBuffer, list, DeadAnnotationLocation.File));
}
return(actionList.Count > 0 ?
new [] { new SuggestedActionSet(actionList.ToArray()) }
: Enumerable.Empty <SuggestedActionSet>());
}