public RazorDocumentInfoViewModel(RazorDocumentTracker 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;
}
}
private void OnBeforeDocumentWindowShow(IVsWindowFrame frame)
{
var vsTextView = VsShellUtilities.GetTextView(frame);
var textView = _adapterFactory.GetWpfTextView(vsTextView);
if (textView != null && textView != _textView)
{
_textView = textView;
if (_documentTracker != null)
{
_documentTracker.ContextChanged -= DocumentTracker_ContextChanged;
}
_documentTracker = _documentTrackerService.CreateTracker(textView);
_documentTracker.ContextChanged += DocumentTracker_ContextChanged;
((FrameworkElement)Content).DataContext = new RazorDocumentInfoViewModel(_documentTracker);
}
}
