private void RecordModels(UndoRedoRecorder recorder)
{
if (model.InPorts.Count == 0)
{
return;
}
var connectors = model.InPorts.Last().Connectors;
if (connectors.Count != 0)
{
if (connectors.Count != 1)
{
throw new InvalidOperationException(
"There should be only one connection to an input port");
}
var models = new Dictionary <ModelBase, UndoRedoRecorder.UserAction>
{
{ connectors[0], UndoRedoRecorder.UserAction.Deletion },
{ model, UndoRedoRecorder.UserAction.Modification }
};
WorkspaceModel.RecordModelsForUndo(models, recorder);
}
else
{
WorkspaceModel.RecordModelForModification(model, recorder);
}
}
private void RecordUndoModels(WorkspaceModel workspace, List <ModelBase> undoItems, List <ModelBase> deletedItems)
{
var userActionDictionary = new Dictionary <ModelBase, UndoRedoRecorder.UserAction>();
//Add models that were newly created
foreach (var undoItem in undoItems)
{
userActionDictionary.Add(undoItem, UndoRedoRecorder.UserAction.Creation);
}
//Add models that were newly deleted
foreach (var deletedItem in deletedItems)
{
userActionDictionary.Add(deletedItem, UndoRedoRecorder.UserAction.Deletion);
}
WorkspaceModel.RecordModelsForUndo(userActionDictionary, workspace.UndoRecorder);
}
