50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "GameFramework/Actor.h"
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#include "Input/DragAndDrop.h"
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#include "DragAndDrop/DecoratedDragDropOp.h"
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#include "ClassIconFinder.h"
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class FActorDragDropOp : public FDecoratedDragDropOp
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{
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public:
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DRAG_DROP_OPERATOR_TYPE(FActorDragDropOp, FDecoratedDragDropOp)
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/** Actor that we are dragging */
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TArray< TWeakObjectPtr< AActor > > Actors;
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void Init(const TArray< TWeakObjectPtr<AActor> >& InActors)
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{
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for(int32 i=0; i<InActors.Num(); i++)
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{
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if( InActors[i].IsValid() )
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{
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Actors.Add( InActors[i] );
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}
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}
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// Set text and icon
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UClass* CommonSelClass = NULL;
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CurrentIconBrush = FClassIconFinder::FindIconForActors(Actors, CommonSelClass);
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if(Actors.Num() == 0)
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{
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CurrentHoverText = NSLOCTEXT("FActorDragDropOp", "None", "None");
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}
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else if(Actors.Num() == 1)
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{
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// Find icon for actor
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const AActor* TheActor = Actors[0].Get();
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CurrentHoverText = FText::FromString(TheActor->GetActorLabel());
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}
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else
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{
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CurrentHoverText = FText::Format(NSLOCTEXT("FActorDragDropOp", "FormatActors", "{0} Actors"), FText::AsNumber(InActors.Num()));
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}
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SetupDefaults();
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}
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};
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