public static Guid?GetLanguageServiceID([NotNull] this IVsTextBuffer textBuffer)
{
Requires.NotNull(textBuffer, nameof(textBuffer));
Guid id;
int hr = textBuffer.GetLanguageServiceID(out id);
if (hr != VSConstants.S_OK)
{
return(null);
}
return(id);
}
public static Guid?GetLanguageServiceID(this IVsTextBuffer textBuffer)
{
Contract.Requires <ArgumentNullException>(textBuffer != null, "textBuffer");
Guid id;
int hr = textBuffer.GetLanguageServiceID(out id);
if (hr != VSConstants.S_OK)
{
return(null);
}
return(id);
}
public IWpfTextViewMargin CreateMargin(IWpfTextViewHost wpfTextViewHost, IWpfTextViewMargin marginContainer)
{
/* If a language service is registered for this content type, then the CodeWindowManager will
* support the standard editor navigation margin.
*/
IVsTextBuffer textBufferAdapter = EditorAdaptersFactoryService.GetBufferAdapter(wpfTextViewHost.TextView.TextBuffer);
if (textBufferAdapter != null)
{
Guid?languageService = textBufferAdapter.GetLanguageServiceID();
if (languageService.HasValue)
{
return(null);
}
}
//var viewAdapter = EditorAdaptersFactoryService.GetViewAdapter(wpfTextViewHost.TextView);
//var codeWindow = viewAdapter.GetCodeWindow();
//var dropdownBarManager = codeWindow as IVsDropdownBarManager;
//if (dropdownBarManager != null && dropdownBarManager.GetDropdownBarClient() != null)
// return null;
var providers = NavigationSourceProviders.Where(provider => provider.Metadata.ContentTypes.Any(contentType => wpfTextViewHost.TextView.TextBuffer.ContentType.IsOfType(contentType)));
var sources =
providers
.Select(provider => provider.Value.TryCreateEditorNavigationSource(wpfTextViewHost.TextView.TextBuffer))
.Where(source => source != null)
.ToArray();
return(new EditorNavigationMargin(wpfTextViewHost.TextView, sources, EditorNavigationTypeRegistryService));
//var tagAggregator = BufferTagAggregatorFactoryService.CreateTagAggregator<ILanguageElementTag>(wpfTextViewHost.TextView.TextBuffer);
////var manager = LanguageElementManagerService.GetLanguageElementManager(wpfTextViewHost.TextView);
////if (manager == null)
//// return null;
//return new EditorNavigationMargin(wpfTextViewHost.TextView, tagAggregator, GlyphService);
}