protected override void OnTextViewGotAggregateFocus(ITextView textView, ITextBuffer textBuffer)
{
bool isProjected = (textBuffer != textView.TextDataModel.DocumentBuffer);
// Only attach controllers if the document is editable
if (!isProjected && textView.Roles.Contains(PredefinedTextViewRoles.Editable))
{
// Check if another buffer already attached a command controller to the view.
// Don't allow two to be attached, or commands could be run twice.
// This currently can only happen with inline diff views.
RMainController mainController = RMainController.FromTextView(textView);
if (textBuffer == mainController?.TextBuffer)
{
// Connect main controller to VS text view filter chain.
OleControllerChain.ConnectController(_adapterService, textView, mainController);
}
}
base.OnTextViewGotAggregateFocus(textView, textBuffer);
}
protected override void OnTextViewGotAggregateFocus(ITextView textView, ITextBuffer textBuffer)
{
// Only attach controllers if the document is editable
if (textView.Roles.Contains(PredefinedTextViewRoles.Interactive))
{
// Check if another buffer already attached a command controller to the view.
// Don't allow two to be attached, or commands could be run twice.
// This currently can only happen with inline diff views.
RMainController mainController = RMainController.FromTextView(textView);
if (textBuffer == mainController.TextBuffer)
{
// Connect main controller to VS text view filter chain. The chain looks like
// VS IDE -> main controller -> Core editor
// However, IDE wants IOleCommandTarget and core editor, although managed,
// is represented by OLE command target as well. Since HTML controller
// is not specific to VS and does not use OLE, we create OLE-to-managed target shim
// and managed target-to-OLE shims.
var adapterService = _coreShell.GetService <IVsEditorAdaptersFactoryService>();
var viewAdapter = adapterService.GetViewAdapter(textView);
if (viewAdapter != null)
{
// Create OLE shim that wraps main controller ICommandTarget and represents
// it as IOleCommandTarget that is accepted by VS IDE.
var oleController = new CommandTargetToOleShim(textView, mainController);
var es = _coreShell.GetService <IApplicationEditorSupport>();
IOleCommandTarget nextOleTarget;
viewAdapter.AddCommandFilter(oleController, out nextOleTarget);
// nextOleTarget is typically a core editor wrapped into OLE layer.
// Create a wrapper that will present OLE target as ICommandTarget to
// HTML main controller so controller can operate in platform-agnostic way.
var nextCommandTarget = es.TranslateCommandTarget(textView, nextOleTarget);
mainController.ChainedController = nextCommandTarget;
}
}
}
base.OnTextViewGotAggregateFocus(textView, textBuffer);
}
/// <summary>
/// Retrieves document instance from text buffer
/// </summary>
public static IREditorDocument TryFromTextBuffer(ITextBuffer textBuffer)
{
IREditorDocument document = ServiceManager.GetService <IREditorDocument>(textBuffer);
if (document == null)
{
document = FindInProjectedBuffers(textBuffer);
if (document == null)
{
TextViewData viewData = TextViewConnectionListener.GetTextViewDataForBuffer(textBuffer);
if (viewData != null && viewData.LastActiveView != null)
{
RMainController controller = RMainController.FromTextView(viewData.LastActiveView);
if (controller != null && controller.TextBuffer != null)
{
document = ServiceManager.GetService <REditorDocument>(controller.TextBuffer);
}
}
}
}
return(document);
}
public override ICommandTarget GetCommandTargetOfLocation(ITextView textView, int bufferPosition)
{
var block = GetLanguageBlockOfLocation(bufferPosition);
return(block != null ? (ICommandTarget)RMainController.FromTextView(textView) : null);
}
public override ICommandTarget GetCommandTarget(ITextView textView)
{
return(RMainController.FromTextView(textView));
}
public override ICommandTarget GetCommandTarget(IEditorView editorView) => RMainController.FromTextView(editorView.As <ITextView>());