/// <summary>
/// Retrieves contained language host for a given text buffer.
/// </summary>
/// <param name="textView">Primary text view</param>
/// <param name="textBuffer">Contained language text buffer</param>
/// <returns>Contained language host, <seealso cref="IContainedLanguageHost"/></returns>
public IContainedLanguageHost GetContainedLanguageHost(ITextView textView, ITextBuffer textBuffer)
{
var containedLanguageHost = ServiceManager.GetService <IContainedLanguageHost>(textBuffer);
if (containedLanguageHost == null)
{
var document = MdEditorDocument.FromTextBuffer(textView.TextDataModel.DocumentBuffer);
containedLanguageHost = new MdContainedLanguageHost(document, textBuffer);
}
return(containedLanguageHost);
}
public override CommandResult Invoke(Guid group, int id, object inputArg, ref object outputArg)
{
if (!TextView.Caret.InVirtualSpace)
{
var caretPosition = TextView.Caret.Position.BufferPosition;
var document = MdEditorDocument.FindInProjectedBuffers(TextView.TextBuffer);
var handler = document?.ContainedLanguageHandler;
var codeRange = handler?.GetCodeBlockOfLocation(caretPosition);
if (codeRange != null)
{
var code = TextView.TextBuffer.CurrentSnapshot.GetText(new Span(codeRange.Start, codeRange.Length));
code = MarkdownUtility.GetRContentFromMarkdownCodeBlock(code).Trim();
if (!string.IsNullOrWhiteSpace(code))
{
try {
_interactiveWorkflow.Operations.ExecuteExpression(code);
} catch (RException) { } catch (OperationCanceledException) { }
}
}
}
return(CommandResult.Executed);
}
