// Called multiple times as subject buffers get connected and disconnected in the buffer graph
public virtual void SubjectBuffersConnected(IWpfTextView textView, ConnectionReason reason, Collection <ITextBuffer> subjectBuffers)
{
EnsureInitialized();
foreach (ITextBuffer textBuffer in subjectBuffers)
{
TextViewData viewData = null;
bool newBuffer = !TextBufferToViewData.ContainsKey(textBuffer);
if (newBuffer)
{
viewData = new TextViewData();
TextBufferToViewData[textBuffer] = viewData;
}
else
{
viewData = TextBufferToViewData[textBuffer];
}
viewData.AddView(textView);
if (newBuffer)
{
OnTextBufferCreated(textView, textBuffer);
}
OnTextViewConnected(textView, textBuffer);
}
}
public virtual void SubjectBuffersDisconnected(IWpfTextView textView, ConnectionReason reason, Collection <ITextBuffer> subjectBuffers)
{
if (TextBufferToViewData != null)
{
foreach (ITextBuffer textBuffer in subjectBuffers)
{
OnTextViewDisconnected(textView, textBuffer);
if (TextBufferToViewData.ContainsKey(textBuffer))
{
TextViewData viewData = TextBufferToViewData[textBuffer];
viewData.RemoveView(textView);
if (viewData.AllViews.Count == 0 && _pendingCheckForViewlessTextBuffers == null)
{
if (reason == ConnectionReason.BufferGraphChange)
{
// The buffer could be temporarily removed from the view, so don't
// immediately check if it's unused - do that after posting a message.
_pendingCheckForViewlessTextBuffers = CheckForViewlessTextBuffers;
Shell.Idle += OnIdle;
}
else
{
CheckForViewlessTextBuffers();
}
}
}
}
}
}
public static TextViewData GetTextViewDataForBuffer(ITextBuffer textBuffer)
{
if (_allInstances != null)
{
foreach (TextViewConnectionListener instance in _allInstances)
{
TextViewData textViewData = null;
if ((instance.TextBufferToViewData != null) && (instance.TextBufferToViewData.TryGetValue(textBuffer, out textViewData)))
{
if (textViewData.AllViews.Count > 0)
{
return(textViewData);
}
}
}
}
return(null);
}
// Called multiple times as subject buffers get connected and disconnected in the buffer graph
public virtual void SubjectBuffersConnected(IWpfTextView textView, ConnectionReason reason, Collection<ITextBuffer> subjectBuffers) {
EnsureInitialized();
foreach (ITextBuffer textBuffer in subjectBuffers) {
TextViewData viewData = null;
bool newBuffer = !TextBufferToViewData.ContainsKey(textBuffer);
if (newBuffer) {
viewData = new TextViewData();
TextBufferToViewData[textBuffer] = viewData;
} else {
viewData = TextBufferToViewData[textBuffer];
}
viewData.AddView(textView);
if (newBuffer) {
OnTextBufferCreated(textBuffer);
}
OnTextViewConnected(textView, textBuffer);
}
}
public static IEnumerable <ITextView> GetViewsForBuffer(ITextBuffer textBuffer)
{
TextViewData textViewData = GetTextViewDataForBuffer(textBuffer);
return(textViewData != null ? textViewData.AllViews : new ITextView[0]);
}