void OnShown(object uiState, Action <ShowTabContentEventArgs> onShownHandler, IShowContext showCtx, ShowTabContentResult result)
{
if (uiState != null)
{
RestoreUIState(uiState);
}
if (onShownHandler != null || showCtx.OnShown != null)
{
var e = new ShowTabContentEventArgs(result, this);
onShownHandler?.Invoke(e);
showCtx.OnShown?.Invoke(e);
}
}
void OnShown(object serializedUI, Action <ShowTabContentEventArgs> onShownHandler, IShowContext showCtx, bool success)
{
if (serializedUI != null)
{
Deserialize(serializedUI);
}
if (onShownHandler != null || showCtx.OnShown != null)
{
var e = new ShowTabContentEventArgs(success, this);
onShownHandler?.Invoke(e);
showCtx.OnShown?.Invoke(e);
}
}
void CreateHandler(ShowTabContentEventArgs e, HexViewDocumentTabContent content, HexPosition?fileOffset, AddressReference addrRef)
{
if (!e.Success)
{
return;
}
Debug.Assert(e.Tab.Content == content);
var uiContext = e.Tab.UIContext as HexViewDocumentTabUIContext;
Debug.Assert(uiContext != null);
if (uiContext == null || fileOffset == null)
{
return;
}
var start = fileOffset.Value;
var end = HexPosition.Min(start + addrRef.Length, HexPosition.MaxEndPosition);
if (!IsVisible(uiContext.HexView, start, end))
{
uiContext.HexView.Options.SetOptionValue(DefaultHexViewOptions.StartPositionId, uiContext.HexView.Buffer.Span.Start);
uiContext.HexView.Options.SetOptionValue(DefaultHexViewOptions.EndPositionId, uiContext.HexView.Buffer.Span.End);
RedisplayHexLines(uiContext.HexView);
if (!IsVisible(uiContext.HexView, start, end))
{
return;
}
}
if (e.HasMovedCaret)
{
return;
}
if (!uiContext.HexView.VisualElement.IsLoaded)
{
RoutedEventHandler loaded = null;
loaded = (s, e2) => {
uiContext.HexView.VisualElement.Loaded -= loaded;
InitializeHexView(uiContext.HexView, start, end);
};
uiContext.HexView.VisualElement.Loaded += loaded;
}
else
{
InitializeHexView(uiContext.HexView, start, end);
}
e.HasMovedCaret = true;
}
