DialogueClassViewerFilters.h

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#pragma once
 
#include "ClassViewerFilter.h"
 
 
// Filter used in the class picker to only show non abstract children of class
class FDialogueChildrenOfClassFilterViewer : public IClassViewerFilter
{
public:
    // All children of these classes will be included unless filtered out by another setting.
    TSet<const UClass*> AllowedChildrenOfClasses;
 
    bool IsClassAllowed(const FClassViewerInitializationOptions& InInitOptions, const UClass* InClass,
        TSharedRef<FClassViewerFilterFuncs> InFilterFuncs) override
    {
        return !InClass->HasAnyClassFlags(DisallowedClassFlags)
            && InFilterFuncs->IfInChildOfClassesSet(AllowedChildrenOfClasses, InClass) != EFilterReturn::Failed;
    }
 
    bool IsUnloadedClassAllowed(const FClassViewerInitializationOptions& InInitOptions,
        const TSharedRef<const IUnloadedBlueprintData > InUnloadedClassData,
        TSharedRef< FClassViewerFilterFuncs > InFilterFuncs) override
    {
        return !InUnloadedClassData->HasAnyClassFlags(DisallowedClassFlags)
            && InFilterFuncs->IfInChildOfClassesSet(AllowedChildrenOfClasses, InUnloadedClassData) != EFilterReturn::Failed;
    }
 
private:
    // Disallowed class flags.
    EClassFlags DisallowedClassFlags = CLASS_Deprecated;
};