public DocumentViewerUIElementService(ITextView textView)
{
if (textView == null)
{
throw new ArgumentNullException(nameof(textView));
}
this.textView = textView;
this.cachedUIElements = new Dictionary <int, UIElement>();
this.collection = DocumentViewerUIElementCollection.Empty;
this.textVersionNumber = -1;
}
public void SetData(DocumentViewerUIElementCollection collection)
{
this.textVersionNumber = textView.TextSnapshot.Version.VersionNumber;
var newCollection = collection ?? DocumentViewerUIElementCollection.Empty;
if (newCollection.Count == 0)
{
newCollection = DocumentViewerUIElementCollection.Empty;
}
if (this.collection == newCollection)
{
return;
}
this.collection = newCollection;
this.cachedUIElements.Clear();
tagger?.RefreshSpans(new SnapshotSpanEventArgs(new SnapshotSpan(textView.TextSnapshot, 0, textView.TextSnapshot.Length)));
}