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o3de/Gems/GraphCanvas/Code/Source/Components/LayerControllerComponent.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 <AzCore/Component/Component.h>
#include <AzCore/std/string/string.h>
#include <GraphCanvas/Utils/StateControllers/StackStateController.h>
#include <GraphCanvas/Components/LayerBus.h>
#include <GraphCanvas/Components/SceneBus.h>
#include <GraphCanvas/Components/VisualBus.h>
namespace GraphCanvas
{
class LayerControllerComponent
: public AZ::Component
, public StateController<AZStd::string>::Notifications::Handler
, public RootGraphicsItemNotificationBus::Handler
, public LayerControllerRequestBus::Handler
, public SceneMemberNotificationBus::Handler
, public SceneNotificationBus::Handler
{
protected:
LayerControllerComponent(AZStd::string_view layeringElement);
public:
static void Reflect(AZ::ReflectContext* context);
AZ_COMPONENT(LayerControllerComponent, "{A85BE3B4-18D5-45D4-91B2-B5529C999E3D}", AZ::Component);
LayerControllerComponent();
~LayerControllerComponent() override = default;
// Component
void Init() override;
void Activate() override;
void Deactivate() override;
////
// SceneMemberNotificationBus
void OnSceneSet(const AZ::EntityId& sceneId) override;
////
// SceneNotificationsBus
void OnStylesChanged() override;
////
// RootGraphicsItemNotificationBus
void OnDisplayStateChanged(RootGraphicsItemDisplayState oldState, RootGraphicsItemDisplayState newState) override;
////
// StateController::Notifications
void OnStateChanged(const AZStd::string& state) override;
////
// LayerControllerRequestBus
StateController<AZStd::string>* GetLayerModifierController() override;
////
protected:
void SetBaseModifier(AZStd::string_view baseModifier);
private:
void ComputeCurrentLayer();
AZStd::string m_baseModifier;
StackStateController< AZStd::string > m_externalLayerModifier;
AZStd::string m_baseLayering;
AZStd::string m_currentStyle;
EditorId m_editorId;
};
}