1 /* 2 * LibrePCB - Professional EDA for everyone! 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 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 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. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef LIBREPCB_CMDLISTELEMENTREMOVE_H 21 #define LIBREPCB_CMDLISTELEMENTREMOVE_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 CmdListElementRemove 38 ******************************************************************************/ 39 40 /** 41 * @brief The CmdListElementRemove class 42 */ 43 template <typename T, typename P, typename... OnEditedArgs> 44 class CmdListElementRemove final : public UndoCommand { 45 public: 46 // Constructors / Destructor 47 CmdListElementRemove() = delete; 48 CmdListElementRemove(const CmdListElementRemove& other) = delete; CmdListElementRemove(SerializableObjectList<T,P,OnEditedArgs...> & list,const T * element)49 CmdListElementRemove(SerializableObjectList<T, P, OnEditedArgs...>& list, 50 const T* element) noexcept 51 : UndoCommand(tr("Remove %1").arg(P::tagname)), 52 mList(list), 53 mElement(element), 54 mIndex(-1) {} ~CmdListElementRemove()55 ~CmdListElementRemove() noexcept {} 56 57 // Operator Overloadings 58 CmdListElementRemove& operator=(const CmdListElementRemove& rhs) = delete; 59 60 private: // Methods 61 /// @copydoc UndoCommand::performExecute() performExecute()62 bool performExecute() override { 63 mIndex = mList.indexOf(mElement); 64 Q_ASSERT(mIndex >= 0); 65 performRedo(); // can throw 66 return true; 67 } 68 69 /// @copydoc UndoCommand::performUndo() performUndo()70 void performUndo() override { mList.insert(mIndex, mMemorizedElement); } 71 72 /// @copydoc UndoCommand::performRedo() performRedo()73 void performRedo() override { 74 mMemorizedElement = mList.take(mIndex); 75 Q_ASSERT(mMemorizedElement.get() == mElement); 76 } 77 78 private: // Data 79 SerializableObjectList<T, P, OnEditedArgs...>& mList; 80 const T* mElement; 81 std::shared_ptr<T> mMemorizedElement; 82 int mIndex; 83 }; 84 85 /******************************************************************************* 86 * End of File 87 ******************************************************************************/ 88 89 } // namespace librepcb 90 91 #endif // LIBREPCB_CMDLISTELEMENTREMOVE_H 92