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o3de/Gems/LyShine/Code/Editor/CommandHierarchyItemReparent.h
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2021-03-08 14:30:57 -08:00

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/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#pragma once
#include <QUndoCommand>
class CommandHierarchyItemReparent
: public QUndoCommand
{
public:
void undo() override;
void redo() override;
static void Push(UndoStack* stack,
HierarchyWidget* hierarchy,
const HierarchyItemRawPtrList& items,
const QTreeWidgetItemRawPtrList& itemParents);
private:
CommandHierarchyItemReparent(UndoStack* stack,
HierarchyWidget* hierarchy,
const HierarchyItemRawPtrList& items);
struct ChildItem
{
AZ::EntityId m_id;
AZ::EntityId m_parentId;
int m_row;
};
using ChildItemList = AZStd::list < ChildItem >;
void Reparent(ChildItemList& sourceChildren, ChildItemList& destChildren, bool& childrenSorted);
UndoStack* m_stack;
HierarchyWidget* m_hierarchy;
ChildItemList m_sourceChildren;
ChildItemList m_destinationChildren;
bool m_sourceChildrenSorted;
bool m_destinationChildrenSorted;
EntityHelpers::EntityIdList m_listToValidate;
// The first execution of redo() is done in REACTION to a Qt
// event that has ALREADY completed some necessary work. We ONLY
// want to execute all of redo() on SUBSEQUENT calls.
bool m_isFirstExecution;
};