private static async Task <ImmutableArray <ClassifiedSpan> > GetClassifiedSpansAsync(
Document document, TextSpan narrowSpan, TextSpan widenedSpan, CancellationToken cancellationToken)
{
var result = await EditorClassifier.GetClassifiedSpansAsync(
document, widenedSpan, cancellationToken).ConfigureAwait(false);
if (!result.IsDefault)
{
return(result);
}
// For languages that don't expose a classification service, we show the entire
// item as plain text. Break the text into three spans so that we can properly
// highlight the 'narrow-span' later on when we display the item.
return(ImmutableArray.Create(
new ClassifiedSpan(ClassificationTypeNames.Text, TextSpan.FromBounds(widenedSpan.Start, narrowSpan.Start)),
new ClassifiedSpan(ClassificationTypeNames.Text, narrowSpan),
new ClassifiedSpan(ClassificationTypeNames.Text, TextSpan.FromBounds(narrowSpan.End, widenedSpan.End))));
}
internal static async Task <IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSpan trackingSpan,
CodeAnalysisQuickInfoItem quickInfoItem,
ITextSnapshot snapshot,
Document document,
CancellationToken cancellationToken)
{
// Build the first line of QuickInfo item, the images and the Description section should be on the first line with Wrapped style
var glyphs = quickInfoItem.Tags.GetGlyphs();
var symbolGlyph = glyphs.FirstOrDefault(g => g != Glyph.CompletionWarning);
var warningGlyph = glyphs.FirstOrDefault(g => g == Glyph.CompletionWarning);
var firstLineElements = new List <object>();
if (symbolGlyph != Glyph.None)
{
firstLineElements.Add(new ImageElement(symbolGlyph.GetImageId()));
}
if (warningGlyph != Glyph.None)
{
firstLineElements.Add(new ImageElement(warningGlyph.GetImageId()));
}
var descSection = quickInfoItem.Sections.FirstOrDefault(s => s.Kind == QuickInfoSectionKinds.Description);
if (descSection != null)
{
firstLineElements.Add(BuildClassifiedTextElement(descSection));
}
var elements = new List <object>
{
new ContainerElement(ContainerElementStyle.Wrapped, firstLineElements)
};
// Add the remaining sections as Stacked style
elements.AddRange(
quickInfoItem.Sections.Where(s => s.Kind != QuickInfoSectionKinds.Description)
.Select(BuildClassifiedTextElement));
// build text for RelatedSpan
if (quickInfoItem.RelatedSpans.Any())
{
var classifiedSpanList = new List <ClassifiedSpan>();
foreach (var span in quickInfoItem.RelatedSpans)
{
var classifiedSpans = await EditorClassifier.GetClassifiedSpansAsync(document, span, cancellationToken).ConfigureAwait(false);
classifiedSpanList.AddRange(classifiedSpans);
}
var tabSize = document.Project.Solution.Workspace.Options.GetOption(FormattingOptions.TabSize, document.Project.Language);
var text = await document.GetTextAsync().ConfigureAwait(false);
var spans = IndentationHelper.GetSpansWithAlignedIndentation(text, classifiedSpanList.ToImmutableArray(), tabSize);
var textRuns = spans.Select(s => new ClassifiedTextRun(s.ClassificationType, snapshot.GetText(s.TextSpan.ToSpan())));
if (textRuns.Any())
{
elements.Add(new ClassifiedTextElement(textRuns));
}
}
var content = new ContainerElement(
ContainerElementStyle.Stacked,
elements);
return(new IntellisenseQuickInfoItem(trackingSpan, content));
}
internal static async Task <IntellisenseQuickInfoItem> BuildItemAsync(ITrackingSpan trackingSpan,
CodeAnalysisQuickInfoItem quickInfoItem,
ITextSnapshot snapshot,
Document document,
CancellationToken cancellationToken)
{
// Build the first line of QuickInfo item, the images and the Description section should be on the first line with Wrapped style
var glyphs = quickInfoItem.Tags.GetGlyphs();
var symbolGlyph = glyphs.FirstOrDefault(g => g != Glyph.CompletionWarning);
var warningGlyph = glyphs.FirstOrDefault(g => g == Glyph.CompletionWarning);
var firstLineElements = new List <object>();
if (symbolGlyph != Glyph.None)
{
firstLineElements.Add(new ImageElement(symbolGlyph.GetImageId()));
}
if (warningGlyph != Glyph.None)
{
firstLineElements.Add(new ImageElement(warningGlyph.GetImageId()));
}
var elements = new List <object>();
var descSection = quickInfoItem.Sections.FirstOrDefault(s => s.Kind == QuickInfoSectionKinds.Description);
if (descSection != null)
{
var isFirstElement = true;
foreach (var element in Helpers.BuildClassifiedTextElements(descSection))
{
if (isFirstElement)
{
isFirstElement = false;
firstLineElements.Add(element);
}
else
{
// If the description section contains multiple paragraphs, the second and additional paragraphs
// are not wrapped in firstLineElements (they are normal paragraphs).
elements.Add(element);
}
}
}
elements.Insert(0, new ContainerElement(ContainerElementStyle.Wrapped, firstLineElements));
var documentationCommentSection = quickInfoItem.Sections.FirstOrDefault(s => s.Kind == QuickInfoSectionKinds.DocumentationComments);
if (documentationCommentSection != null)
{
var isFirstElement = true;
foreach (var element in Helpers.BuildClassifiedTextElements(documentationCommentSection))
{
if (isFirstElement)
{
isFirstElement = false;
// Stack the first paragraph of the documentation comments with the last line of the description
// to avoid vertical padding between the two.
var lastElement = elements[elements.Count - 1];
elements[elements.Count - 1] = new ContainerElement(
ContainerElementStyle.Stacked,
lastElement,
element);
}
else
{
elements.Add(element);
}
}
}
// Add the remaining sections as Stacked style
elements.AddRange(
quickInfoItem.Sections.Where(s => s.Kind != QuickInfoSectionKinds.Description && s.Kind != QuickInfoSectionKinds.DocumentationComments)
.SelectMany(Helpers.BuildClassifiedTextElements));
// build text for RelatedSpan
if (quickInfoItem.RelatedSpans.Any())
{
var classifiedSpanList = new List <ClassifiedSpan>();
foreach (var span in quickInfoItem.RelatedSpans)
{
var classifiedSpans = await EditorClassifier.GetClassifiedSpansAsync(document, span, cancellationToken).ConfigureAwait(false);
classifiedSpanList.AddRange(classifiedSpans);
}
var tabSize = document.Project.Solution.Workspace.Options.GetOption(FormattingOptions.TabSize, document.Project.Language);
var text = await document.GetTextAsync().ConfigureAwait(false);
var spans = IndentationHelper.GetSpansWithAlignedIndentation(text, classifiedSpanList.ToImmutableArray(), tabSize);
var textRuns = spans.Select(s => new ClassifiedTextRun(s.ClassificationType, snapshot.GetText(s.TextSpan.ToSpan())));
if (textRuns.Any())
{
elements.Add(new ClassifiedTextElement(textRuns));
}
}
var content = new ContainerElement(
ContainerElementStyle.Stacked | ContainerElementStyle.VerticalPadding,
elements);
return(new IntellisenseQuickInfoItem(trackingSpan, content));
}
