private void BufferGraph_GraphBufferContentTypeChanged(object sender, GraphBufferContentTypeChangedEventArgs e)
{
if (Update())
{
OnContextChanged();
}
}
private void OnGraphBufferContentTypeChange(object sender, GraphBufferContentTypeChangedEventArgs args)
{
if (args.BeforeContentType.IsOfType("text") && args.AfterContentType.IsOfType("text"))
{
// We won't get subject buffers connected/disconnected calls when both the before & after content
// types are "text", but we still need to manage intellisense controllers in this situation.
// The broker associated with the subjectBuffer in question remains the same.
ITextBuffer subjectBuffer = args.TextBuffer;
for (int f = 0; f < _componentContext.IntellisenseControllerFactories.Count; ++f)
{
var factory = _componentContext.IntellisenseControllerFactories[f];
bool beforeMatch = false;
bool afterMatch = false;
foreach (string factoryContentType in factory.Metadata.ContentTypes)
{
if (args.BeforeContentType.IsOfType(factoryContentType))
{
beforeMatch = true;
}
if (args.AfterContentType.IsOfType(factoryContentType))
{
afterMatch = true;
}
}
if (beforeMatch != afterMatch)
{
if (beforeMatch)
{
if (this.Controllers[f] != null)
{
// the controller will be null if its creation failed
this.Controllers[f].DisconnectSubjectBuffer(subjectBuffer);
// should we destroy the controller if it has no more buffers?
}
}
if (afterMatch)
{
if (this.Controllers[f] != null)
{
this.Controllers[f].ConnectSubjectBuffer(subjectBuffer);
}
else
{
this.Controllers[f] =
this._componentContext.GuardedOperations.InstantiateExtension(
factory,
factory,
provider => provider.TryCreateIntellisenseController
(_associatedTextView, new FrugalList <ITextBuffer>()
{
subjectBuffer
}));
}
}
}
}
}
}
/// <summary>
/// If the content type of any of the source buffers changes, we need to dispose
/// all the taggers on the buffer that we have cached (if they are disposable) and get
/// new ones.
/// </summary>
void BufferGraph_GraphBufferContentTypeChanged(object sender, GraphBufferContentTypeChangedEventArgs e)
{
if (this.disposed || !this.initialized || (((TagAggregatorOptions2)this.options).HasFlag(TagAggregatorOptions2.NoProjection) && (e.TextBuffer != this.BufferGraph.TopBuffer)))
{
return;
}
DisposeAllTaggersOverBuffer(e.TextBuffer);
taggers[e.TextBuffer] = GatherTaggers(e.TextBuffer);
// Send out an event to say that tags have changed over the entire text buffer, to
// be safe.
ITextSnapshot snapshot = e.TextBuffer.CurrentSnapshot;
SnapshotSpan entireSnapshot = new SnapshotSpan(snapshot, 0, snapshot.Length);
IMappingSpan span = this.BufferGraph.CreateMappingSpan(entireSnapshot, SpanTrackingMode.EdgeInclusive);
this.RaiseEvents(this, span);
}
private void OnGraphBufferContentTypeChanged(object sender, GraphBufferContentTypeChangedEventArgs args)
{
var connectedListeners = new List <IWpfTextViewConnectionListener>();
var disconnectedListeners = new List <IWpfTextViewConnectionListener>();
foreach (Listener listener in this.listeners)
{
bool beforeMatch = Match(listener.Metadata, args.BeforeContentType);
bool afterMatch = Match(listener.Metadata, args.AfterContentType);
if (beforeMatch != afterMatch)
{
var instance = listener.Instance;
if (instance != null)
{
if (beforeMatch)
{
disconnectedListeners.Add(instance);
}
else
{
connectedListeners.Add(instance);
}
}
}
}
Collection <ITextBuffer> subjectBuffers = new Collection <ITextBuffer>(new List <ITextBuffer>(1)
{
args.TextBuffer
});
foreach (var instance in disconnectedListeners)
{
_guardedOperations.CallExtensionPoint(instance,
() => instance.SubjectBuffersDisconnected(_textView, ConnectionReason.ContentTypeChange, subjectBuffers));
}
foreach (var instance in connectedListeners)
{
_guardedOperations.CallExtensionPoint(instance,
() => instance.SubjectBuffersConnected(_textView, ConnectionReason.ContentTypeChange, subjectBuffers));
}
}
private void OnGraphBufferContentTypeChanged(object sender, GraphBufferContentTypeChangedEventArgs e)
{
RefreshBufferGraphList();
}
private void OnGraphBufferContentTypeChanged(object sender, GraphBufferContentTypeChangedEventArgs e)
{
RefreshBufferGraphList();
}
