IUserObjectListEntry.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "IUserListEntry.h"
#include "IUserObjectListEntry.generated.h"
 
UINTERFACE(MinimalAPI)
class UUserObjectListEntry : public UUserListEntry
{
    GENERATED_UINTERFACE_BODY()
};
 
class IUserObjectListEntry : public IUserListEntry
{
    GENERATED_IINTERFACE_BODY()
 
public:
    template <typename ItemObjectT = UObject>
    ItemObjectT* GetListItem() const
    {
        static_assert(TIsDerivedFrom<ItemObjectT, UObject>::IsDerived, "Items represented by an ObjectListEntry are always expected to be UObjects.");
        return Cast<ItemObjectT>(GetListItemObjectInternal());
    }
 
protected:
    UMG_API virtual void NativeOnListItemObjectSet(UObject* ListItemObject);
    
    UFUNCTION(BlueprintImplementableEvent, Category = ObjectListEntry)
    UMG_API void OnListItemObjectSet(UObject* ListItemObject);
 
private:
    UMG_API UObject* GetListItemObjectInternal() const;
    
    template <typename> friend class SObjectTableRow;
    static UMG_API void SetListItemObject(UUserWidget& ListEntryWidget, UObject* ListItemObject);
};
 
UCLASS(MinimalAPI)
class UUserObjectListEntryLibrary : public UBlueprintFunctionLibrary
{
    GENERATED_BODY()
 
public:
    UFUNCTION(BlueprintPure, Category = UserObjectListEntry, meta = (DefaultToSelf = UserObjectListEntry))
    static UMG_API UObject* GetListItemObject(TScriptInterface<IUserObjectListEntry> UserObjectListEntry);
 
    UFUNCTION(BlueprintPure, Category = UserObjectListEntry, meta = (DefaultToSelf = UserObjectListEntry))
    static UMG_API int32 GetListItemIndex(TScriptInterface<IUserObjectListEntry> UserObjectListEntry);
 
    UFUNCTION(BlueprintPure, Category = UserObjectListEntry, meta = (DefaultToSelf = UserObjectListEntry))
    static UMG_API bool IsFirstWidget(TScriptInterface<IUserObjectListEntry> UserObjectListEntry);
 
    UFUNCTION(BlueprintPure, Category = UserObjectListEntry, meta = (DefaultToSelf = UserObjectListEntry))
    static UMG_API bool IsLastWidget(TScriptInterface<IUserObjectListEntry> UserObjectListEntry);
};