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0001 // ct_lvtqtc_undo_load_children.h                               -*-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 #ifndef DEFINED_CT_LVTQTW_UNDO_LOAD_ENTITY_H
0021 #define DEFINED_CT_LVTQTW_UNDO_LOAD_ENTITY_H
0022 
0023 #include <lvtqtc_export.h>
0024 
0025 #include <QUndoCommand>
0026 
0027 #include <memory>
0028 
0029 #include <ct_lvtshr_graphenums.h>
0030 
0031 #include <ct_lvtqtc_undo_manager.h>
0032 #include <ct_lvtqtc_util.h>
0033 
0034 #include <ct_lvtqtc_graphicsscene.h>
0035 #include <ct_lvtqtc_lakosentity.h>
0036 
0037 namespace Codethink::lvtldr {
0038 class NodeStorage;
0039 }
0040 
0041 namespace Codethink::lvtqtc {
0042 class GraphicsScene;
0043 
0044 class LVTQTC_EXPORT UndoLoadEntity : public QUndoCommand {
0045     // This class handles loading and unloading of single entities
0046     // and children entities. The other loads are more complex and not easy
0047     // to do in a generic way, so they don't have an undo command yet.
0048   public:
0049     UndoLoadEntity(GraphicsScene *scene,
0050                    lvtshr::UniqueId entity_id,
0051                    GraphicsScene::UnloadDepth type,
0052                    QtcUtil::UndoActionType undoType,
0053                    QUndoCommand *parent = nullptr);
0054 
0055     ~UndoLoadEntity() override;
0056 
0057     void undo() override;
0058     void redo() override;
0059 
0060     struct Private;
0061 
0062   private:
0063     std::unique_ptr<Private> d;
0064 };
0065 
0066 } // namespace Codethink::lvtqtc
0067 
0068 #endif