private void UpdateRuntimeStates(IStorage storage, RuntimeStates runtimeStates)
{
DataHeader header = new DataHeader();
header.Deserialize(storage);
runtimeStates.Deserialize(storage);
}
internal void RecordRuntimeStatesForUndo(RuntimeStates runtimeStates)
{
if (actionCount < 0)
throw new InvalidOperationException("BeginGroup() is not called");
if (runtimeStates == null)
throw new ArgumentNullException("runtimeStates");
this.RecordRuntimeStates(this.undoStorage, runtimeStates, UserAction.RuntimeStates);
this.actionCount++;
}
private void RecordRuntimeStates(IStorage storage, RuntimeStates runtimeStates, UserAction userAction)
{
DataHeader header = new DataHeader();
long initialPosition = storage.GetPosition();
//Record states
storage.Seek(header.HeaderSize, SeekOrigin.Current);
long initialPositionForData = storage.GetPosition();
runtimeStates.Serialize(storage);
long currentPositionforData = storage.GetPosition();
header.DataSize = currentPositionforData - initialPositionForData;
storage.Seek(-(header.HeaderSize + header.DataSize), SeekOrigin.Current);
header.Serialize(storage);
storage.Seek(header.DataSize, SeekOrigin.Current);
this.RecordFlag(storage, initialPosition, userAction);
}
public void TestRecordRuntimeStatesForUndo00()
{
GraphController graphController = new GraphController(null);
UndoRedoRecorder urr = new UndoRedoRecorder(graphController);
RuntimeStates runtimeStates = new RuntimeStates();
Assert.Throws<InvalidOperationException>(() =>
{
urr.RecordRuntimeStatesForUndo(runtimeStates);
});
}