int GetSessionStateIndex(HexIntellisenseSession session)
{
for (int i = 0; i < sessionStates.Count; i++)
{
if (sessionStates[i].Session == session)
{
return(i);
}
}
return(-1);
}
public override HexIntellisensePresenter TryCreateIntellisensePresenter(HexIntellisenseSession session)
{
var quickInfoSession = session as HexQuickInfoSession;
if (quickInfoSession == null)
{
return(null);
}
if (quickInfoSession.TrackMouse)
{
return(new HexQuickInfoPresenter(quickInfoSession));
}
return(new HexSpaceReservationQuickInfoPresenter(quickInfoSession));
}
SessionState GetSessionState(HexIntellisenseSession session)
{
int index = GetSessionStateIndex(session);
if (index >= 0)
{
return(sessionStates[index]);
}
var sessionState = new SessionState(session);
sessionStates.Add(sessionState);
return(sessionState);
}
public override HexIntellisensePresenter?TryCreateIntellisensePresenter(HexIntellisenseSession session)
{
if (session is null)
{
throw new ArgumentNullException(nameof(session));
}
foreach (var lz in intellisensePresenterProviders)
{
var presenter = lz.Value.TryCreateIntellisensePresenter(session);
if (!(presenter is null))
{
return(presenter);
}
}
return(null);
}
void PresenterUpdated(HexIntellisenseSession session)
{
var sessionState = GetSessionState(session);
if (sessionState.SpaceReservationAgent != null)
{
sessionState.SpaceReservationManager.RemoveAgent(sessionState.SpaceReservationAgent);
}
Debug.Assert(sessionState.SpaceReservationAgent == null);
var presenter = session.Presenter;
var popupPresenter = presenter as IHexPopupIntellisensePresenter;
if (popupPresenter != null)
{
if (sessionState.SpaceReservationManager == null)
{
sessionState.SetSpaceReservationManager(wpfHexView.GetSpaceReservationManager(popupPresenter.SpaceReservationManagerName));
sessionState.SpaceReservationManager.AgentChanged += SpaceReservationManager_AgentChanged;
}
UnregisterPopupIntellisensePresenterEvents(sessionState.PopupIntellisensePresenter);
sessionState.PopupIntellisensePresenter = popupPresenter;
RegisterPopupIntellisensePresenterEvents(sessionState.PopupIntellisensePresenter);
var presentationSpan = popupPresenter.PresentationSpan;
var surfaceElement = popupPresenter.SurfaceElement;
if (!presentationSpan.IsDefault && surfaceElement != null)
{
sessionState.SpaceReservationAgent = sessionState.SpaceReservationManager.CreatePopupAgent(presentationSpan, popupPresenter.PopupStyles, surfaceElement);
sessionState.SpaceReservationManager.AddAgent(sessionState.SpaceReservationAgent);
}
}
else
{
var customPresenter = presenter as IHexCustomIntellisensePresenter;
if (customPresenter != null)
{
customPresenter.Render();
}
else
{
Debug.Assert(presenter == null, $"Unsupported presenter: {presenter?.GetType()}");
}
}
}
public override void MoveSessionToTop(HexIntellisenseSession session)
{
if (wpfHexView.IsClosed)
{
throw new InvalidOperationException();
}
if (session == null)
{
throw new ArgumentNullException(nameof(session));
}
int index = sessions.IndexOf(session);
if (index < 0)
{
throw new InvalidOperationException();
}
if (index == 0)
{
return;
}
sessions.Move(index, 0);
}
public override void PushSession(HexIntellisenseSession session)
{
if (wpfHexView.IsClosed)
{
throw new InvalidOperationException();
}
if (session == null)
{
throw new ArgumentNullException(nameof(session));
}
if (sessions.Contains(session))
{
throw new InvalidOperationException();
}
if (sessions.Count == 0)
{
commandTargetFilter.HookKeyboard();
}
sessions.Insert(0, session);
session.Dismissed += Session_Dismissed;
session.PresenterChanged += Session_PresenterChanged;
PresenterUpdated(session);
}
public abstract HexIntellisensePresenter?TryCreateIntellisensePresenter(HexIntellisenseSession session);
public SessionState(HexIntellisenseSession session) => Session = session;
/// <summary> /// Creates a <see cref="HexIntellisensePresenter"/> or returns null /// </summary> /// <param name="session">Session</param> /// <returns></returns> public abstract HexIntellisensePresenter TryCreateIntellisensePresenter(HexIntellisenseSession session);
