protected virtual void SetupNewTextView(IVsTextView textView)
{
Contract.ThrowIfNull(textView);
var wpfTextView = EditorAdaptersFactoryService.GetWpfTextView(textView);
Contract.ThrowIfNull(wpfTextView, "Could not get IWpfTextView for IVsTextView");
Debug.Assert(!wpfTextView.Properties.ContainsProperty(typeof(AbstractVsTextViewFilter)));
var workspace = Package.ComponentModel.GetService <VisualStudioWorkspace>();
// The lifetime of CommandFilter is married to the view
wpfTextView.GetOrCreateAutoClosingProperty(v =>
new StandaloneCommandFilter(
v, Package.ComponentModel).AttachToVsTextView());
var isMetadataAsSource = false;
var collapseAllImplementations = false;
var openDocument = wpfTextView.TextBuffer.AsTextContainer().GetRelatedDocuments().FirstOrDefault();
if (openDocument?.Project.Solution.Workspace is MetadataAsSourceWorkspace masWorkspace)
{
isMetadataAsSource = true;
// If the file is metadata as source, and the user has the preference set to collapse them, then
// always collapse all metadata as source
var globalOptions = this.Package.ComponentModel.GetService <IGlobalOptionService>();
var options = BlockStructureOptionsStorage.GetBlockStructureOptions(globalOptions, openDocument.Project.Language, isMetadataAsSource: masWorkspace is not null);
collapseAllImplementations = masWorkspace.FileService.ShouldCollapseOnOpen(openDocument.FilePath, options);
}
ConditionallyCollapseOutliningRegions(textView, wpfTextView, collapseAllImplementations);
// If this is a metadata-to-source view, we want to consider the file read-only and prevent
// it from being re-opened when VS is opened
if (isMetadataAsSource && ErrorHandler.Succeeded(textView.GetBuffer(out var vsTextLines)))
{
Contract.ThrowIfNull(openDocument);
ErrorHandler.ThrowOnFailure(vsTextLines.GetStateFlags(out var flags));
flags |= (int)BUFFERSTATEFLAGS.BSF_USER_READONLY;
ErrorHandler.ThrowOnFailure(vsTextLines.SetStateFlags(flags));
var runningDocumentTable = (IVsRunningDocumentTable)SystemServiceProvider.GetService(typeof(SVsRunningDocumentTable));
var runningDocumentTable4 = (IVsRunningDocumentTable4)runningDocumentTable;
if (runningDocumentTable4.IsMonikerValid(openDocument.FilePath))
{
var cookie = runningDocumentTable4.GetDocumentCookie(openDocument.FilePath);
runningDocumentTable.ModifyDocumentFlags(cookie, (uint)_VSRDTFLAGS.RDT_DontAddToMRU | (uint)_VSRDTFLAGS.RDT_CantSave | (uint)_VSRDTFLAGS.RDT_DontAutoOpen, fSet: 1);
}
}
}
protected override bool ComputeInitialTagsSynchronously(ITextBuffer subjectBuffer)
{
// If we can't find this doc, or outlining is not enabled for it, no need to computed anything synchronously.
var openDocument = subjectBuffer.AsTextContainer().GetRelatedDocuments().FirstOrDefault();
if (openDocument == null)
{
return(false);
}
// If the main Outlining option is turned off, we can just skip computing tags synchronously
// so when the document first opens, there won't be any tags yet. When the tags do come in
// the IsDefaultCollapsed property, which controls the initial collapsing, won't have any effect
// because the document will already be open.
if (!GlobalOptions.GetOption(FeatureOnOffOptions.Outlining, openDocument.Project.Language))
{
return(false);
}
var options = BlockStructureOptionsStorage.GetBlockStructureOptions(GlobalOptions, openDocument.Project);
// If we're a metadata-as-source doc, we need to compute the initial set of tags synchronously
// so that we can collapse all the .IsImplementation tags to keep the UI clean and condensed.
if (openDocument.Project.Solution.Workspace is MetadataAsSourceWorkspace masWorkspace &&
masWorkspace.FileService.ShouldCollapseOnOpen(openDocument.FilePath, options))
{
return(true);
}
// If the user wants to collapse imports or #regions then we need to compute
// synchronously, but only if there are imports or #regions in the file. To
// save some work, we'll look for both in a single pass.
var collapseRegions = GlobalOptions.GetOption(BlockStructureOptionsStorage.CollapseRegionsWhenFirstOpened, openDocument.Project.Language);
var collapseImports = GlobalOptions.GetOption(BlockStructureOptionsStorage.CollapseImportsWhenFirstOpened, openDocument.Project.Language);
if (!collapseRegions && !collapseImports)
{
return(false);
}
if (ContainsRegionOrImport(subjectBuffer.CurrentSnapshot, collapseRegions, collapseImports, openDocument.Project.Language))
{
return(true);
}
return(false);
}
