Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Toolbox/UndoRedoStack.cpp @ 1598:8563ea5d8ae4
relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 26 Oct 2020 20:49:28 +0100 |
| parents | 244ad1e4e76a |
| children | 9ac2a65d4172 |
| 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 | |
|
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8 * modify it under the terms of the GNU Lesser General Public License |
| 408 | 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 | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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8563ea5d8ae4
relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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15 * Lesser General Public License for more details. |
| 408 | 16 * |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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17 * You should have received a copy of the GNU Lesser General Public |
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8563ea5d8ae4
relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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18 * License along with this program. If not, see |
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8563ea5d8ae4
relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
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parents:
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19 * <http://www.gnu.org/licenses/>. |
| 408 | 20 **/ |
| 21 | |
| 22 | |
| 23 #include "UndoRedoStack.h" | |
| 24 | |
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25 #include <OrthancException.h> |
| 408 | 26 |
| 27 #include <cassert> | |
| 28 | |
| 29 namespace OrthancStone | |
| 30 { | |
| 31 void UndoRedoStack::Clear(UndoRedoStack::Stack::iterator from) | |
| 32 { | |
| 33 for (Stack::iterator it = from; it != stack_.end(); ++it) | |
| 34 { | |
| 35 assert(*it != NULL); | |
| 36 delete *it; | |
| 37 } | |
| 38 | |
| 39 stack_.erase(from, stack_.end()); | |
| 40 } | |
| 41 | |
| 42 | |
| 43 UndoRedoStack::UndoRedoStack() : | |
| 44 current_(stack_.end()) | |
| 45 { | |
| 46 } | |
| 47 | |
| 48 | |
| 49 UndoRedoStack::~UndoRedoStack() | |
| 50 { | |
| 51 Clear(stack_.begin()); | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void UndoRedoStack::Add(ICommand* command) | |
| 56 { | |
| 57 if (command == NULL) | |
| 58 { | |
| 59 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
| 60 } | |
| 61 | |
| 62 Clear(current_); | |
| 63 | |
| 64 stack_.push_back(command); | |
| 65 current_ = stack_.end(); | |
| 66 } | |
| 67 | |
| 68 | |
| 69 void UndoRedoStack::Undo() | |
| 70 { | |
| 71 if (current_ != stack_.begin()) | |
| 72 { | |
| 73 --current_; | |
| 74 | |
| 75 assert(*current_ != NULL); | |
| 76 (*current_)->Undo(); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 void UndoRedoStack::Redo() | |
| 81 { | |
| 82 if (current_ != stack_.end()) | |
| 83 { | |
| 84 assert(*current_ != NULL); | |
| 85 (*current_)->Redo(); | |
| 86 | |
| 87 ++current_; | |
| 88 } | |
| 89 } | |
| 90 } |