Files
UnrealEngine/Engine/Source/Editor/DetailCustomizations/Private/SoftClassPathCustomization.h
2025-05-18 13:04:45 +08:00

43 lines
1.5 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Containers/UnrealString.h"
#include "IPropertyTypeCustomization.h"
#include "Templates/SharedPointer.h"
#include "UObject/WeakObjectPtr.h"
#include "UObject/WeakObjectPtrTemplates.h"
class IPropertyHandle;
class UClass;
/**
* Customizes a string class reference to look like a UClass property
*/
class FSoftClassPathCustomization : public IPropertyTypeCustomization
{
public:
static TSharedRef<IPropertyTypeCustomization> MakeInstance()
{
return MakeShareable(new FSoftClassPathCustomization);
}
/** IPropertyTypeCustomization interface */
virtual void CustomizeHeader(TSharedRef<class IPropertyHandle> InPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils) override;
virtual void CustomizeChildren(TSharedRef<class IPropertyHandle> InPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils) override;
private:
/** @return The class currently set on this reference */
const UClass* OnGetClass() const;
/** Set the class used by this reference */
void OnSetClass(const UClass* NewClass);
/** Find or load the class associated with the given string */
static const UClass* StringToClass(const FString& ClassName);
/** Handle to the property being customized */
TSharedPtr<IPropertyHandle> PropertyHandle;
/** A cache of the currently resolved value for the class name */
mutable TWeakObjectPtr<UClass> CachedClassPtr;
};