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0001 // ct_lvtqtc_undo_reparent_entity.cpp -*-C++-*- 0002 0003 /* 0004 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk> 0005 // SPDX-License-Identifier: Apache-2.0 0006 // 0007 // Licensed under the Apache License, Version 2.0 (the "License"); 0008 // you may not use this file except in compliance with the License. 0009 // You may obtain a copy of the License at 0010 // 0011 // http://www.apache.org/licenses/LICENSE-2.0 0012 // 0013 // Unless required by applicable law or agreed to in writing, software 0014 // distributed under the License is distributed on an "AS IS" BASIS, 0015 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 0016 // See the License for the specific language governing permissions and 0017 // limitations under the License. 0018 */ 0019 0020 #include <ct_lvtqtc_undo_reparent_entity.h> 0021 0022 #include <ct_lvtldr_lakosiannode.h> 0023 #include <ct_lvtldr_nodestorage.h> 0024 #include <ct_lvtqtc_graphicsscene.h> 0025 #include <ct_lvtqtc_graphicsview.h> 0026 #include <ct_lvtqtc_isa.h> 0027 0028 using namespace Codethink::lvtldr; 0029 using namespace Codethink::lvtqtc; 0030 0031 struct UndoReparentEntity::Private { 0032 NodeStorage& nodeStorage; 0033 LakosianNode *entity = nullptr; 0034 LakosianNode *oldParent = nullptr; 0035 LakosianNode *newParent = nullptr; 0036 std::string oldName; 0037 std::string newName; 0038 }; 0039 0040 UndoReparentEntity::UndoReparentEntity(NodeStorage& nodeStorage, 0041 LakosianNode *entity, 0042 LakosianNode *oldParent, 0043 LakosianNode *newParent, 0044 std::string const& oldName, 0045 std::string const& newName): 0046 d(std::make_unique<UndoReparentEntity::Private>( 0047 Private{nodeStorage, entity, oldParent, newParent, oldName, newName})) 0048 { 0049 setText(QObject::tr("Reparent Entity")); 0050 } 0051 0052 UndoReparentEntity::~UndoReparentEntity() = default; 0053 0054 void UndoReparentEntity::undo() 0055 { 0056 d->nodeStorage.reparentEntity(d->entity, d->oldParent).expect("Unexpected error on undo/redo"); 0057 d->entity->setName(d->oldName); 0058 } 0059 0060 void UndoReparentEntity::redo() 0061 { 0062 // Qt calls redo() when pushing the UndoCommand for the first time, but we do not want it to be run, as the first 0063 // run can lead to failures. 0064 if (isFirstRun) { 0065 isFirstRun = false; 0066 return; 0067 } 0068 0069 d->nodeStorage.reparentEntity(d->entity, d->newParent).expect("Unexpected error on undo/redo"); 0070 d->entity->setName(d->newName); 0071 }