public override void OnSubscribed(VisualStudioDocumentTracker tracker)
{
if (tracker == null)
{
throw new ArgumentNullException(nameof(tracker));
}
_foregroundDispatcher.AssertForegroundThread();
var imports = GetImportItems(tracker);
foreach (var import in imports)
{
var importFilePath = import.PhysicalPath;
Debug.Assert(importFilePath != null);
if (!_importTrackerCache.TryGetValue(importFilePath, out var importTracker))
{
// First time seeing this import. Start tracking it.
importTracker = new ImportTracker(importFilePath);
_importTrackerCache[importFilePath] = importTracker;
StartListeningForChanges(importTracker);
}
importTracker.AssociatedDocuments.Add(tracker.FilePath);
}
}
public override void OnUnsubscribed(VisualStudioDocumentTracker tracker)
{
if (tracker == null)
{
throw new ArgumentNullException(nameof(tracker));
}
_foregroundDispatcher.AssertForegroundThread();
var imports = GetImportItems(tracker);
foreach (var import in imports)
{
var importFilePath = import.PhysicalPath;
Debug.Assert(importFilePath != null);
if (_importTrackerCache.TryGetValue(importFilePath, out var importTracker))
{
importTracker.AssociatedDocuments.Remove(tracker.FilePath);
if (importTracker.AssociatedDocuments.Count == 0)
{
// There are no open documents that care about this import. We no longer need to track it.
StopListeningForChanges(importTracker);
_importTrackerCache.Remove(importFilePath);
}
}
}
}
private void OnBeforeDocumentWindowShow(IVsWindowFrame frame)
{
var vsTextView = VsShellUtilities.GetTextView(frame);
if (vsTextView == null)
{
return;
}
var textView = _adapterFactory.GetWpfTextView(vsTextView);
if (textView != null && textView != _textView)
{
_textView = textView;
if (_documentTracker != null)
{
_documentTracker.ContextChanged -= DocumentTracker_ContextChanged;
}
_documentTracker = _documentTrackerService.GetTracker(textView);
_documentTracker.ContextChanged += DocumentTracker_ContextChanged;
((FrameworkElement)Content).DataContext = new RazorDocumentInfoViewModel(_documentTracker);
}
}
private IEnumerable <RazorProjectItem> GetImportItems(VisualStudioDocumentTracker tracker)
{
var projectDirectory = Path.GetDirectoryName(tracker.ProjectPath);
var templateEngine = _templateEngineFactoryService.Create(projectDirectory, _ => { });
var imports = templateEngine.GetImportItems(tracker.FilePath);
return(imports);
}
public RazorDocumentInfoViewModel(VisualStudioDocumentTracker documentTracker)
{
if (documentTracker == null)
{
throw new ArgumentNullException(nameof(documentTracker));
}
_documentTracker = documentTracker;
}
private void OnAfterDocumentWindowHide(IVsWindowFrame frame)
{
var vsTextView = VsShellUtilities.GetTextView(frame);
var textView = _adapterFactory.GetWpfTextView(vsTextView);
if (textView == _textView)
{
((FrameworkElement)Content).DataContext = null;
_documentTracker.ContextChanged -= DocumentTracker_ContextChanged;
_textView = null;
_documentTracker = null;
}
}
public abstract BraceSmartIndenter Create(VisualStudioDocumentTracker documentTracker);
public abstract VisualStudioRazorParser Create(VisualStudioDocumentTracker documentTracker);
