/// <summary>
/// Initializes a new instance of the <see cref="AdornmentTagger" /> class.
/// </summary>
AdornmentTagger(ITagAggregator <TagData> dataTagger, AdornmentTaggerScope scope)
{
this.scope = scope;
snapshot = view.TextBuffer.CurrentSnapshot;
view.LayoutChanged += HandleLayoutChanged;
view.TextBuffer.Changed += HandleBufferChanged;
this.dataTagger = dataTagger;
this.dataTagger.TagsChanged += HandleDataTagsChanged;
}
/// <summary>
/// Determines whether [is intersect with disabled spans] [the specified scope].
/// </summary>
public static bool IsIntersectWithDisabledSpans(AdornmentTaggerScope scope, SnapshotSpan span)
{
if (scope.DisabledSnapshotSpans.Any(x => IntersectsWith(x, span)))
{
return(true);
}
if (scope.EditedSpans != null)
{
if (scope.EditedSpans.Any(x => IntersectsWith(x, span)))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Creates a tag provider for the specified view and buffer.
/// </summary>
public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer buffer) where T : ITag
{
Trace(nameof(CreateTagger));
if (textView == null)
{
throw new ArgumentNullException("textView");
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer != textView.TextBuffer)
{
return(null);
}
var textBlockStyler = MyUtil.GetTextBlockStyler(FormatMapService.GetEditorFormatMap(textView));
// FormatMapService.GetEditorFormatMap("text").GetProperties("Comment")["ForegroundColor"]
var scope = new AdornmentTaggerScope
{
TextBlockStyler = textBlockStyler,
WpfTextView = (IWpfTextView)textView
};
ITagAggregator <TagData> CreateTagAggregator()
{
AdornmentTagger.scopeStatic = scope;
var value = BufferTagAggregatorFactoryService.CreateTagAggregator <TagData>(textView.TextBuffer);
AdornmentTagger.scopeStatic = null;
return(value);
}
return(AdornmentTagger.GetTagger(new Lazy <ITagAggregator <TagData> >(CreateTagAggregator), scope) as ITagger <T>);
}
/// <summary>
/// Initializes a new instance of the <see cref="Tagger" /> class.
/// </summary>
public Tagger(ITextBuffer buffer)
{
buffer.Changed += (sender, args) => HandleBufferChanged(args);
scope = AdornmentTagger.scopeStatic ?? throw new ArgumentNullException(nameof(AdornmentTagger.scopeStatic));
}
/// <summary>
/// Gets the tagger.
/// </summary>
internal static ITagger <IntraTextAdornmentTag> GetTagger(Lazy <ITagAggregator <TagData> > tagger, AdornmentTaggerScope scope)
{
return(scope.WpfTextView.Properties.GetOrCreateSingletonProperty(() => new AdornmentTagger(tagger.Value, scope)));
}
