public UndoInfo Redo()
{
if (!CanRedo)
{
return(null);
}
Debug.Assert(curIndex < infos.Count - 1);
curIndex++;
UndoInfo info = infos[curIndex].Copy();
curModel = info.Model;
return(info);
}
public UndoInfo Undo()
{
if (!CanUndo)
{
return(null);
}
Debug.Assert(curIndex > 0);
curIndex--;
UndoInfo info = infos[curIndex].Copy();
curModel = info.Model;
return(info);
}
public bool ReplaceMemorize()
{
if (!ShouldMemorize)
{
return(false);
}
//replace the model of the last model of the current.
EDOModel newModel = EDOSerializer.Clone(curModel);
UndoInfo info = new UndoInfo(newModel, stateProvider.SaveState());
infos[curIndex] = info;
OnModelChanged();
return(true);
}
public bool ReplaceMemorize()
{
if (!ShouldMemorize)
{
return false;
}
//現在のモデルを最後のモデルと入れ替える。
EDOModel newModel = EDOSerializer.Clone(curModel);
UndoInfo info = new UndoInfo(newModel, stateProvider.SaveState());
infos[curIndex] = info;
OnModelChanged();
return true;
}
