Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/UndoRedoStack.cpp @ 1584:bd180f97c734
parsing osirix annotations
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 21 Oct 2020 17:33:17 +0200 |
| parents | 244ad1e4e76a |
| children | 8563ea5d8ae4 |
| rev | line source |
|---|---|
| 408 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 408 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "UndoRedoStack.h" | |
| 23 | |
|
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24 #include <OrthancException.h> |
| 408 | 25 |
| 26 #include <cassert> | |
| 27 | |
| 28 namespace OrthancStone | |
| 29 { | |
| 30 void UndoRedoStack::Clear(UndoRedoStack::Stack::iterator from) | |
| 31 { | |
| 32 for (Stack::iterator it = from; it != stack_.end(); ++it) | |
| 33 { | |
| 34 assert(*it != NULL); | |
| 35 delete *it; | |
| 36 } | |
| 37 | |
| 38 stack_.erase(from, stack_.end()); | |
| 39 } | |
| 40 | |
| 41 | |
| 42 UndoRedoStack::UndoRedoStack() : | |
| 43 current_(stack_.end()) | |
| 44 { | |
| 45 } | |
| 46 | |
| 47 | |
| 48 UndoRedoStack::~UndoRedoStack() | |
| 49 { | |
| 50 Clear(stack_.begin()); | |
| 51 } | |
| 52 | |
| 53 | |
| 54 void UndoRedoStack::Add(ICommand* command) | |
| 55 { | |
| 56 if (command == NULL) | |
| 57 { | |
| 58 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 59 } | |
| 60 | |
| 61 Clear(current_); | |
| 62 | |
| 63 stack_.push_back(command); | |
| 64 current_ = stack_.end(); | |
| 65 } | |
| 66 | |
| 67 | |
| 68 void UndoRedoStack::Undo() | |
| 69 { | |
| 70 if (current_ != stack_.begin()) | |
| 71 { | |
| 72 --current_; | |
| 73 | |
| 74 assert(*current_ != NULL); | |
| 75 (*current_)->Undo(); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 void UndoRedoStack::Redo() | |
| 80 { | |
| 81 if (current_ != stack_.end()) | |
| 82 { | |
| 83 assert(*current_ != NULL); | |
| 84 (*current_)->Redo(); | |
| 85 | |
| 86 ++current_; | |
| 87 } | |
| 88 } | |
| 89 } |