Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <ScriptCanvas/Bus/UndoBus.h>
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namespace ScriptCanvasEditor
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{
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class ScriptCanvasMemoryAsset;
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// Helper class that provides the implementation for UndoRequestBus
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class UndoHelper : UndoRequestBus::Handler
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{
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public:
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UndoHelper(ScriptCanvasMemoryAsset& memoryAsset);
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~UndoHelper();
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UndoCache* GetSceneUndoCache() override;
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UndoData CreateUndoData() override;
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void BeginUndoBatch(AZStd::string_view label) override;
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void EndUndoBatch() override;
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void AddUndo(AzToolsFramework::UndoSystem::URSequencePoint* seqPoint) override;
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void AddGraphItemChangeUndo(AZStd::string_view undoLabel) override;
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void AddGraphItemAdditionUndo(AZStd::string_view undoLabel) override;
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void AddGraphItemRemovalUndo(AZStd::string_view undoLabel) override;
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void Undo() override;
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void Redo() override;
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void Reset() override;
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bool IsActive() override;
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bool IsIdle() override;
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bool CanUndo() const override;
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bool CanRedo() const override;
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private:
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void UpdateCache();
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enum class Status
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{
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Idle,
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InUndo
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};
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Status m_status = Status::Idle;
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ScriptCanvasMemoryAsset& m_memoryAsset;
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};
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}
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