ILevelInstanceEditorModule.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "Modules/ModuleInterface.h"
#include "UObject/UnrealType.h"
 
class ILevelInstanceInterface;
 
class ILevelInstanceEditorModule : public IModuleInterface
{
public:
    virtual ~ILevelInstanceEditorModule() {}
 
    UE_DEPRECATED(5.5, "This method is deprecated.")
    virtual void ActivateEditorMode() {}
    UE_DEPRECATED(5.5, "This method is deprecated.")
    virtual void DeactivateEditorMode() {}
 
    virtual void BroadcastTryExitEditorMode() = 0;
 
    DECLARE_EVENT(ILevelInstanceEditorModule, FExitEditorModeEvent);
    virtual FExitEditorModeEvent& OnExitEditorMode() = 0;
 
    DECLARE_EVENT(ILevelInstanceEditorModule, FTryExitEditorModeEvent);
    virtual FTryExitEditorModeEvent& OnTryExitEditorMode() = 0;
 
    virtual bool IsEditInPlaceStreamingEnabled() const = 0;
    virtual bool IsSubSelectionEnabled() const = 0;
 
    virtual void UpdateAllPackedLevelActorsForWorldAsset(const TSoftObjectPtr<UWorld>& InWorldAsset, bool bInLoadedOnly = false) = 0;
 
protected:
    friend class ULevelInstanceSubsystem;
    friend class ULevelStreamingLevelInstanceEditorPropertyOverride;
 
    // Called by ULevelInstanceSubsystem to update if the Editor Mode should be active or not
    virtual void UpdateEditorMode(bool bActivated) = 0;
 
    // Policy Proxy so that ULevelStreamingLevelInstanceEditorPropertyOverride can register policies through this module without knowing about PropertyEditor module
    class IPropertyOverridePolicy
    {
    public:
        virtual UObject* GetArchetypeForObject(const UObject* Object) const = 0;
 
        virtual bool CanEditProperty(const FEditPropertyChain& PropertyChain, const UObject* Object) const = 0;
        virtual bool CanEditProperty(const FProperty* Property, const UObject* Object) const = 0;
    };
 
    virtual UObject* GetArchetype(const UObject* Object) = 0;
 
    virtual bool IsPropertyEditConst(const FEditPropertyChain& PropertyChain, UObject* Object) = 0;
    virtual bool IsPropertyEditConst(const FProperty* Property, UObject* Object) = 0;
 
    virtual void SetPropertyOverridePolicy(IPropertyOverridePolicy* Policy) = 0;
};