// The REPL window might change content type to host command content type (when a host command is typed at the beginning of the buffer).
private void LanguageBufferContentTypeChanged(object sender, ContentTypeChangedEventArgs e)
{
// It's not clear whether this situation will ever happen, but just in case.
if (e.BeforeContentType == e.AfterContentType)
{
return;
}
var buffer = e.Before.TextBuffer;
var contentTypeName = this.ContentType.TypeName;
var afterIsLanguage = e.AfterContentType.IsOfType(contentTypeName);
var afterIsInteractiveCommand = e.AfterContentType.IsOfType(PredefinedInteractiveCommandsContentTypes.InteractiveCommandContentTypeName);
var beforeIsLanguage = e.BeforeContentType.IsOfType(contentTypeName);
var beforeIsInteractiveCommand = e.BeforeContentType.IsOfType(PredefinedInteractiveCommandsContentTypes.InteractiveCommandContentTypeName);
Debug.Assert((afterIsLanguage && beforeIsInteractiveCommand) ||
(beforeIsLanguage && afterIsInteractiveCommand));
// We're switching between the target language and the Interactive Command "language".
// First, remove the current submission from the solution.
var oldSolution = _workspace.CurrentSolution;
var newSolution = oldSolution;
foreach (var documentId in _workspace.GetRelatedDocumentIds(buffer.AsTextContainer()))
{
Debug.Assert(documentId != null);
newSolution = newSolution.RemoveDocument(documentId);
// TODO (tomat): Is there a better way to remove mapping between buffer and document in REPL?
// Perhaps TrackingWorkspace should implement RemoveDocumentAsync?
_workspace.ClearOpenDocument(documentId);
}
// Next, remove the previous submission project and update the workspace.
newSolution = newSolution.RemoveProject(_currentSubmissionProjectId);
_workspace.SetCurrentSolution(newSolution);
// Add a new submission with the correct language for the current buffer.
var languageName = afterIsLanguage
? this.LanguageName
: InteractiveLanguageNames.InteractiveCommand;
AddSubmission(buffer, languageName);
}
// The REPL window might change content type to host command content type (when a host command is typed at the beginning of the buffer).
private void LanguageBufferContentTypeChanged(object sender, ContentTypeChangedEventArgs e)
{
var buffer = e.Before.TextBuffer;
var afterIsCSharp = e.AfterContentType.IsOfType(ContentTypeNames.CSharpContentType);
var beforeIsCSharp = e.BeforeContentType.IsOfType(ContentTypeNames.CSharpContentType);
if (afterIsCSharp == beforeIsCSharp)
{
return;
}
if (afterIsCSharp)
{
// add a new document back to the project
var project = _workspace.CurrentSolution.GetProject(_currentSubmissionProjectId);
Debug.Assert(project != null);
SetSubmissionDocument(buffer, project);
}
else
{
Debug.Assert(beforeIsCSharp);
// remove document from the project
foreach (var documentId in _workspace.GetRelatedDocumentIds(buffer.AsTextContainer()))
{
Debug.Assert(documentId != null);
_workspace.SetCurrentSolution(_workspace.CurrentSolution.RemoveDocument(documentId));
// TODO (tomat): Is there a better way to remove mapping between buffer and document in REPL?
// Perhaps TrackingWorkspace should implement RemoveDocumentAsync?
_workspace.ClearOpenDocument(documentId);
// Ensure sure our buffer is still registered with the workspace. This allows consumers
// to get back to the interactive workspace from the Interactive Command buffer.
_workspace.RegisterText(buffer.AsTextContainer());
}
}
}