annotate Framework/Toolbox/UndoRedoStack.cpp @ 981:c20dbaab360c

Ability to cope with empty "Referenced SOP Instance UID" (dicom path (3006,0039)[i] / (0x3006, 0x0040)[0] / (0x3006, 0x0016)[0] / (0x0008, 0x1155)) + better logs + code formating
author Benjamin Golinvaux <bgo@osimis.io>
date Fri, 06 Sep 2019 09:38:18 +0200
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "UndoRedoStack.h"
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23
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24 #include <Core/OrthancException.h>
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25
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26 #include <cassert>
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27
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28 namespace OrthancStone
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29 {
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30 void UndoRedoStack::Clear(UndoRedoStack::Stack::iterator from)
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31 {
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32 for (Stack::iterator it = from; it != stack_.end(); ++it)
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33 {
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34 assert(*it != NULL);
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35 delete *it;
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36 }
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37
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38 stack_.erase(from, stack_.end());
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39 }
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40
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41
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42 UndoRedoStack::UndoRedoStack() :
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43 current_(stack_.end())
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44 {
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45 }
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47
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48 UndoRedoStack::~UndoRedoStack()
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49 {
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50 Clear(stack_.begin());
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51 }
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53
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54 void UndoRedoStack::Add(ICommand* command)
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55 {
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56 if (command == NULL)
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57 {
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58 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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59 }
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60
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61 Clear(current_);
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62
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63 stack_.push_back(command);
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64 current_ = stack_.end();
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65 }
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67
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68 void UndoRedoStack::Undo()
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69 {
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70 if (current_ != stack_.begin())
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71 {
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72 --current_;
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73
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74 assert(*current_ != NULL);
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75 (*current_)->Undo();
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76 }
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77 }
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78
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79 void UndoRedoStack::Redo()
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80 {
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81 if (current_ != stack_.end())
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82 {
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83 assert(*current_ != NULL);
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84 (*current_)->Redo();
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85
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86 ++current_;
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87 }
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88 }
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89 }