Steve Pham
b4a2edec6a
* Final update copyright headers to reference license files at the repo root Signed-off-by: spham <spham@amazon.com> * Fix copyright validator unit tests to support the stale O3DE header scenario Signed-off-by: spham <spham@amazon.com>
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project. 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 <AzCore/EBus/EBus.h>
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#include <AzCore/std/any.h>
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#include <AzCore/std/string/string_view.h>
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#include <AzToolsFramework/Undo/UndoSystem.h>
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#include <GraphCanvas/Types/EntitySaveData.h>
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#include <ScriptCanvas/Core/GraphData.h>
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#include <ScriptCanvas/Variable/VariableData.h>
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namespace ScriptCanvasEditor
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{
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enum class UndoGraphCommand
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{
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ChangeItem,
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AddItem,
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RemoveItem
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};
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struct UndoData
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{
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AZ_TYPE_INFO(UndoData, "{12561F1F-2806-4BCB-BDC5-B2F2B568A139}");
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AZ_CLASS_ALLOCATOR(UndoData, AZ::SystemAllocator, 0);
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UndoData() = default;
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static void Reflect(AZ::ReflectContext* reflectContext)
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{
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if (auto serializeContext = azrtti_cast<AZ::SerializeContext*>(reflectContext))
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{
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serializeContext->Class<UndoData>()
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->Version(2)
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->Field("m_graphData", &UndoData::m_graphData)
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->Field("m_variableData", &UndoData::m_variableData)
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->Field("m_visualSaveData",&UndoData::m_visualSaveData)
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;
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}
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}
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ScriptCanvas::GraphData m_graphData;
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ScriptCanvas::VariableData m_variableData;
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AZStd::unordered_map< AZ::EntityId, GraphCanvas::EntitySaveDataContainer* > m_visualSaveData;
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};
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class UndoCache;
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class UndoRequests
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: public AZ::EBusTraits
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{
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public:
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
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using BusIdType = ScriptCanvas::ScriptCanvasId;
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virtual UndoCache* GetSceneUndoCache() = 0;
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virtual UndoData CreateUndoData() = 0;
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/*!
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* Start batch undo so we can add multiple undo to one undo step.
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*/
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virtual void BeginUndoBatch(AZStd::string_view label) = 0;
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/*!
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* End current undo batch and save it to undo stack.
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*/
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virtual void EndUndoBatch() = 0;
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/*!
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* Add a undo to stack. it could be added directly to stack or added to the current batch.
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*/
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virtual void AddUndo(AzToolsFramework::UndoSystem::URSequencePoint* seqPoint) = 0;
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virtual void AddGraphItemChangeUndo(AZStd::string_view undoLabel) = 0;
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virtual void AddGraphItemAdditionUndo(AZStd::string_view undoLabel) = 0;
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virtual void AddGraphItemRemovalUndo(AZStd::string_view undoLabel) = 0;
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virtual void Undo() = 0;
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virtual void Redo() = 0;
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virtual void Reset() = 0;
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virtual bool IsIdle() = 0;
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virtual bool IsActive() = 0;
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virtual bool CanUndo() const = 0;
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virtual bool CanRedo() const = 0;
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};
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using UndoRequestBus = AZ::EBus<UndoRequests>;
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class UndoNotifications
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: public AZ::EBusTraits
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{
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public:
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//////////////////////////////////////////////////////////////////////////
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// EBusTraits overrides
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
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//////////////////////////////////////////////////////////////////////////
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virtual void OnCanUndoChanged([[maybe_unused]] bool canUndo) {}
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virtual void OnCanRedoChanged([[maybe_unused]] bool canRedo) {}
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};
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using UndoNotificationBus = AZ::EBus<UndoNotifications>;
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}
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