public override bool Equals(object obj)
{
Collapsible other = obj as Collapsible;
if (other != null)
{
return(Tag.Equals(other.Tag) &&
Extent.Equals(other.Extent) &&
IsCollapsed == other.IsCollapsed);
}
return(false);
}
private SortedList <Collapsible, object> CollapsiblesFromTags(IEnumerable <IMappingTagSpan <IOutliningRegionTag> > tagSpans)
{
ITextSnapshot current = this.editBuffer.CurrentSnapshot;
SortedList <Collapsible, object> collapsibles
= new SortedList <Collapsible, object>(new CollapsibleSorter(editBuffer));
foreach (var tagSpan in tagSpans)
{
var spans = tagSpan.Span.GetSpans(current);
// We only accept this tag if it hasn't been split into multiple spans and if
// it hasn't had pieces cut out of it from projection. Also, refuse 0-length
// tags, as they wouldn't be hiding anything.
if (spans.Count == 1 &&
spans[0].Length > 0 &&
spans[0].Length == tagSpan.Span.GetSpans(tagSpan.Span.AnchorBuffer)[0].Length)
{
ITrackingSpan trackingSpan = current.CreateTrackingSpan(spans[0], SpanTrackingMode.EdgeExclusive);
var collapsible = new Collapsible(trackingSpan, tagSpan.Tag);
if (collapsibles.ContainsKey(collapsible))
{
// TODO: Notify providers somehow.
// Or rewrite so that such things are legal.
Debug.WriteLine("IGNORING TAG " + spans[0] + " due to span conflict");
}
else
{
collapsibles.Add(collapsible, null);
}
}
else
{
Debug.WriteLine("IGNORING TAG " + tagSpan.Span.GetSpans(editBuffer) + " because it was split or shortened by projection");
}
}
return(collapsibles);
}
private SortedList <Collapsible, object> CollapsiblesFromTags(IEnumerable <IMappingTagSpan <IOutliningRegionTag> > tagSpans)
{
ITextSnapshot current = this.editBuffer.CurrentSnapshot;
SortedList <Collapsible, object> collapsibles
= new SortedList <Collapsible, object>(new CollapsibleSorter(editBuffer));
foreach (var tagSpan in tagSpans)
{
// Attempt to map this tag up to the top level buffer in a contiguous fashion,
// rejecting it if either the start or end fails to map.
if (TryContiguousMapToSnapshot(tagSpan, current, out var mappedSpan) &&
(mappedSpan.Length > 0))
{
ITrackingSpan trackingSpan = current.CreateTrackingSpan(mappedSpan, SpanTrackingMode.EdgeExclusive);
var collapsible = new Collapsible(trackingSpan, tagSpan.Tag);
if (collapsibles.ContainsKey(collapsible))
{
// TODO: Notify providers somehow.
// Or rewrite so that such things are legal.
#if false
Debug.WriteLine("IGNORING TAG " + mappedSpan + " due to span conflict");
#endif
}
else
{
collapsibles.Add(collapsible, null);
}
}
else
{
#if false
Debug.WriteLine("IGNORING TAG " + tagSpan.Span.GetSpans(editBuffer) + " because its start or endpoint failed to map");
#endif
}
}
return(collapsibles);
}
