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85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Containers/ArrayView.h"
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#include "Containers/UnrealString.h"
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#include "ContentBrowserItem.h"
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#include "CoreMinimal.h"
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#include "DragAndDrop/AssetDragDropOp.h"
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#include "HAL/Platform.h"
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#include "Input/DragAndDrop.h"
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#include "Internationalization/Text.h"
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#include "Templates/SharedPointer.h"
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class UActorFactory;
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struct FAssetData;
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/**
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* Additional params for FContentBrowserDataDragDropOp to override the thumbnail used if dragging only folders
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*/
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struct CONTENTBROWSERDATA_API FThumbnailOverrideParams
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{
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FThumbnailOverrideParams() {}
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/** Folder brush name to use */
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FName FolderBrushName = NAME_None;
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/** Folder shadow brush name to use */
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FName FolderShadowBrushName = NAME_None;
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/** Override color for the final brush */
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FLinearColor FolderColorOverride = FLinearColor::Gray;
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};
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class CONTENTBROWSERDATA_API FContentBrowserDataDragDropOp : public FAssetDragDropOp
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{
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public:
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DRAG_DROP_OPERATOR_TYPE(FContentBrowserDataDragDropOp, FAssetDragDropOp)
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static TSharedRef<FContentBrowserDataDragDropOp> New(TArrayView<const FContentBrowserItem> InDraggedItems, FThumbnailOverrideParams InThumbnailOverrideParams = FThumbnailOverrideParams());
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static TSharedRef<FContentBrowserDataDragDropOp> Legacy_New(TArrayView<const FAssetData> InAssetData, TArrayView<const FString> InAssetPaths = TArrayView<const FString>(), UActorFactory* InActorFactory = nullptr);
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const TArray<FContentBrowserItem>& GetDraggedItems() const
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{
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return DraggedItems;
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}
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const TArray<FContentBrowserItem>& GetDraggedFiles() const
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{
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return DraggedFiles;
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}
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const TArray<FContentBrowserItem>& GetDraggedFolders() const
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{
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return DraggedFolders;
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}
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private:
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void Init(TArrayView<const FContentBrowserItem> InDraggedItems);
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void LegacyInit(TArrayView<const FAssetData> InAssetData, TArrayView<const FString> InAssetPaths, UActorFactory* ActorFactory);
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virtual void InitThumbnail() override;
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virtual bool HasFiles() const override;
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virtual bool HasFolders() const override;
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virtual int32 GetTotalCount() const override;
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virtual FText GetFirstItemText() const override;
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/** Return whether or not it should override the thumbnail widget */
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bool ShouldOverrideThumbnailWidget() const;
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/** Return the folder widget or nullptr if the BrushName is not valid */
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TSharedPtr<SWidget> GetFolderWidget() const;
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private:
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FName FolderBrushName;
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FName FolderShadowBrushName;
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FLinearColor FolderColorOverride = FLinearColor::Gray;
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TArray<FContentBrowserItem> DraggedItems;
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TArray<FContentBrowserItem> DraggedFiles;
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TArray<FContentBrowserItem> DraggedFolders;
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};
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