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);
}
public override HexIntellisensePresenter TryCreateIntellisensePresenter(HexIntellisenseSession session) {
if (session == null)
throw new ArgumentNullException(nameof(session));
foreach (var lz in intellisensePresenterProviders) {
var presenter = lz.Value.TryCreateIntellisensePresenter(session);
if (presenter != null)
return presenter;
}
return null;
}
/// <summary> /// Moves a session to the top of the stack /// </summary> /// <param name="session">Session</param> public abstract void MoveSessionToTop(HexIntellisenseSession session);
/// <summary> /// Adds a session to the top of the stack /// </summary> /// <param name="session">Session</param> public abstract void PushSession(HexIntellisenseSession session);
public abstract HexIntellisensePresenter TryCreateIntellisensePresenter(HexIntellisenseSession session);
/// <summary> /// Moves a session to the top of the stack /// </summary> /// <param name="session">Session</param> public abstract void MoveSessionToTop(HexIntellisenseSession session);
public SessionState(HexIntellisenseSession session) {
Session = session;
}
/// <summary> /// Adds a session to the top of the stack /// </summary> /// <param name="session">Session</param> public abstract void PushSession(HexIntellisenseSession session);
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()}");
}
}
SessionState GetSessionState(HexIntellisenseSession session) {
int index = GetSessionStateIndex(session);
if (index >= 0)
return sessionStates[index];
var sessionState = new SessionState(session);
sessionStates.Add(sessionState);
return sessionState;
}
int GetSessionStateIndex(HexIntellisenseSession session) {
for (int i = 0; i < sessionStates.Count; i++) {
if (sessionStates[i].Session == session)
return i;
}
return -1;
}
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);
}
