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cmdlistelementsswap.h
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1 /*
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3  * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
4  * https://librepcb.org/
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
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10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
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18  */
19 
20 #ifndef LIBREPCB_CMDLISTELEMENTSSWAP_H
21 #define LIBREPCB_CMDLISTELEMENTSSWAP_H
22 
23 /*******************************************************************************
24  * Includes
25  ******************************************************************************/
26 #include "../../undocommand.h"
27 #include "../serializableobjectlist.h"
28 
29 #include <QtCore>
30 
31 /*******************************************************************************
32  * Namespace / Forward Declarations
33  ******************************************************************************/
34 namespace librepcb {
35 
36 /*******************************************************************************
37  * Class CmdListElementsSwap
38  ******************************************************************************/
39 
43 template <typename T, typename P, typename... OnEditedArgs>
44 class CmdListElementsSwap final : public UndoCommand {
45 public:
46  // Constructors / Destructor
47  CmdListElementsSwap() = delete;
48  CmdListElementsSwap(const CmdListElementsSwap& other) = delete;
50  int i, int j) noexcept
51  : UndoCommand(QString(tr("Move %1")).arg(P::tagname)),
52  mList(list),
53  mI(i),
54  mJ(j) {}
55  ~CmdListElementsSwap() noexcept {}
56 
57  // Operator Overloadings
59 
60 private: // Methods
62  bool performExecute() override {
63  performRedo(); // can throw
64  return true;
65  }
66 
68  void performUndo() override { mList.swap(mJ, mI); }
69 
71  void performRedo() override { mList.swap(mI, mJ); }
72 
73 private: // Data
74  SerializableObjectList<T, P, OnEditedArgs...>& mList;
75  int mI;
76  int mJ;
77 };
78 
79 /*******************************************************************************
80  * End of File
81  ******************************************************************************/
82 
83 } // namespace librepcb
84 
85 #endif // LIBREPCB_CMDLISTELEMENTSSWAP_H
bool performExecute() override
Execute the command the first time.
Definition: cmdlistelementsswap.h:62
void performUndo() override
Undo the command.
Definition: cmdlistelementsswap.h:68
The CmdListElementsSwap class.
Definition: cmdlistelementsswap.h:44
CmdListElementsSwap & operator=(const CmdListElementsSwap &rhs)=delete
void swap(int i, int j) noexcept
Definition: serializableobjectlist.h:305
int mJ
Definition: cmdlistelementsswap.h:76
The UndoCommand class represents a command which you can undo/redo.
Definition: undocommand.h:47
SerializableObjectList< T, P, OnEditedArgs...> & mList
Definition: cmdlistelementsswap.h:74
void performRedo() override
Redo the command.
Definition: cmdlistelementsswap.h:71
CmdListElementsSwap(SerializableObjectList< T, P, OnEditedArgs...> &list, int i, int j) noexcept
Definition: cmdlistelementsswap.h:49
~CmdListElementsSwap() noexcept
Definition: cmdlistelementsswap.h:55
int mI
Definition: cmdlistelementsswap.h:75