public IEnumerable <ITagSpan <SpaceNegotiatingAdornmentTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (wpfTextView.IsClosed)
{
yield break;
}
foreach (var span in spans)
{
foreach (var tagSpan in tagAggregator.GetTags(span))
{
var spanColl = tagSpan.Span.GetSpans(wpfTextView.TextSnapshot);
Debug.Assert(spanColl.Count != 0);
if (spanColl.Count == 0)
{
continue;
}
var fullSpan = new SnapshotSpan(spanColl[0].Snapshot, Span.FromBounds(spanColl[0].Span.Start, spanColl[spanColl.Count - 1].Span.End));
var uiElem = tagSpan.Tag.Adornment;
double topSpace = tagSpan.Tag.TopSpace ?? 0;
double bottomSpace = tagSpan.Tag.BottomSpace ?? 0;
double textHeight = tagSpan.Tag.TextHeight ?? (Filter(uiElem.DesiredSize.Height) - (topSpace + bottomSpace));
var adornmentInfo = new AdornmentTagInfo(fullSpan, uiElem, tagSpan);
var tag = new SpaceNegotiatingAdornmentTag(Filter(uiElem.DesiredSize.Width), topSpace,
tagSpan.Tag.Baseline ?? textHeight * 0.75, textHeight, bottomSpace,
tagSpan.Tag.Affinity ?? PositionAffinity.Predecessor, adornmentInfo, providerTag);
adornmentInfo.Tag = tag;
yield return(new TagSpan <SpaceNegotiatingAdornmentTag>(fullSpan, tag));
}
}
}
string DisplayStringForTag(ITag tag, out object toolTipContent)
{
toolTipContent = null;
List <string> content = new List <string>();
ClassificationTag classification = tag as ClassificationTag;
if (classification != null)
{
content.Add(classification.ClassificationType.ToString());
}
ErrorTag error = tag as ErrorTag;
if (error != null)
{
toolTipContent = error.ToolTipContent;
content.Add(error.ErrorType);
}
IOutliningRegionTag region = tag as IOutliningRegionTag;
if (region != null)
{
toolTipContent = region.CollapsedHintForm;
content.Add(string.Format("IsImplementation: {0}, IsDefaultCollapsed: {1}", region.IsImplementation, region.IsDefaultCollapsed));
}
TextMarkerTag marker = tag as TextMarkerTag;
if (marker != null)
{
content.Add(marker.Type);
}
SpaceNegotiatingAdornmentTag snat = tag as SpaceNegotiatingAdornmentTag;
if (snat != null)
{
content.Add(string.Format("TextHeight: {0}, Width: {1}, Affinity: {2}", snat.TextHeight, snat.Width, snat.Affinity));
}
IntraTextAdornmentTag itat = tag as IntraTextAdornmentTag;
if (itat != null)
{
content.Add("Content: " + itat.Adornment.ToString());
}
IUrlTag url = tag as IUrlTag;
if (url != null)
{
content.Add(url.Url.ToString());
}
if (content.Count > 0)
{
return(string.Join(Environment.NewLine, content));
}
else
{
return(tag?.ToString());
}
}
