public TreeItemViewModel(
TextSpan textSpan,
SourceText sourceText,
DocumentId documentId,
string fileName,
Glyph glyph,
ImmutableArray <ClassifiedSpan> classifiedSpans,
ValueTrackingTreeViewModel treeViewModel,
IGlyphService glyphService,
IThreadingContext threadingContext,
Workspace workspace,
ImmutableArray <TreeItemViewModel> children = default)
: base()
{
FileName = fileName;
TextSpan = textSpan;
_sourceText = sourceText;
ClassifiedSpans = classifiedSpans;
TreeViewModel = treeViewModel;
ThreadingContext = threadingContext;
_glyph = glyph;
_glyphService = glyphService;
Workspace = workspace;
DocumentId = documentId;
if (!children.IsDefaultOrEmpty)
{
foreach (var child in children)
{
ChildItems.Add(child);
}
}
sourceText.GetLineAndOffset(textSpan.Start, out var lineStart, out var _);
sourceText.GetLineAndOffset(textSpan.End, out var lineEnd, out var _);
LineSpan = LineSpan.FromBounds(lineStart, lineEnd);
PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(IsLoading))
{
NotifyPropertyChanged(nameof(ShowGlyph));
}
};
TreeViewModel.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(TreeViewModel.HighlightBrush))
{
// If the highlight changes we need to recalculate the inlines so the
// highlighting is correct
NotifyPropertyChanged(nameof(Inlines));
}
};
}
private async Task <ValueTrackingToolWindow?> GetOrCreateToolWindowAsync(ITextView textView, CancellationToken cancellationToken)
{
var roslynPackage = await RoslynPackage.GetOrLoadAsync(_threadingContext, _serviceProvider, cancellationToken).ConfigureAwait(false);
if (roslynPackage is null)
{
return(null);
}
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
if (ValueTrackingToolWindow.Instance is null)
{
var factory = roslynPackage.GetAsyncToolWindowFactory(Guids.ValueTrackingToolWindowId);
var viewModel = new ValueTrackingTreeViewModel(_classificationFormatMapService.GetClassificationFormatMap(textView), _typeMap, _formatMapService);
factory.CreateToolWindow(Guids.ValueTrackingToolWindowId, 0, viewModel);
await factory.InitializeToolWindowAsync(Guids.ValueTrackingToolWindowId, 0);
// FindWindowPaneAsync creates an instance if it does not exist
ValueTrackingToolWindow.Instance = (ValueTrackingToolWindow)await roslynPackage.FindWindowPaneAsync(
typeof(ValueTrackingToolWindow),
0,
true,
roslynPackage.DisposalToken).ConfigureAwait(false);
}
// This can happen if the tool window was initialized outside of this command handler. The ViewModel
// still needs to be initialized but had no necessary context. Provide that context now in the command handler.
if (ValueTrackingToolWindow.Instance.ViewModel is null)
{
ValueTrackingToolWindow.Instance.ViewModel = new ValueTrackingTreeViewModel(_classificationFormatMapService.GetClassificationFormatMap(textView), _typeMap, _formatMapService);
}
return(ValueTrackingToolWindow.Instance);
}
public ValueTrackingTree(ValueTrackingTreeViewModel viewModel)
{
DataContext = viewModel;
InitializeComponent();
}