Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Scene2DViewport/UndoStack.cpp @ 2016:f30d7055ed6a
new URL argument "menu" to change the layout of the list of studies/series
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 03 Dec 2022 08:12:14 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "UndoStack.h" #include "MeasureCommands.h" #include "../StoneException.h" namespace OrthancStone { UndoStack::UndoStack() : numAppliedCommands_(0) {} void UndoStack::PushCommand(boost::shared_ptr<MeasureCommand> command) { commandStack_.erase( commandStack_.begin() + numAppliedCommands_, commandStack_.end()); ORTHANC_ASSERT(std::find(commandStack_.begin(), commandStack_.end(), command) == commandStack_.end(), "Duplicate command"); commandStack_.push_back(command); numAppliedCommands_++; } void UndoStack::Undo() { ORTHANC_ASSERT(CanUndo(), ""); commandStack_[numAppliedCommands_ - 1]->Undo(); numAppliedCommands_--; } void UndoStack::Redo() { ORTHANC_ASSERT(CanRedo(), ""); commandStack_[numAppliedCommands_]->Redo(); numAppliedCommands_++; } bool UndoStack::CanUndo() const { return numAppliedCommands_ > 0; } bool UndoStack::CanRedo() const { return numAppliedCommands_ < commandStack_.size(); } }