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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Widgets/Views/SListView.h"
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#include "IDetailsView.h"
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#include "AnimationModifier.h"
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DECLARE_DELEGATE_OneParam(FOnModifierArray, const TArray<TWeakObjectPtr<UAnimationModifier>>&);
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DECLARE_DELEGATE_OneParam(FOnSingleModifier, const TWeakObjectPtr<UAnimationModifier>&);
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/** Data representation of a modifier in the listview */
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struct FModifierListviewItem
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{
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TSubclassOf<UAnimationModifier> Class;
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TWeakObjectPtr<UAnimationModifier> Instance;
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int32 Index;
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UClass* OuterClass;
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};
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typedef TSharedPtr<FModifierListviewItem> ModifierListviewItem;
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class SModifierListView : public SCompoundWidget
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{
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SLATE_BEGIN_ARGS(SModifierListView)
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: _Items(nullptr) {}
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SLATE_ARGUMENT(TArray<ModifierListviewItem>*, Items)
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SLATE_ARGUMENT(TSharedPtr<IDetailsView>, InstanceDetailsView)
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SLATE_ARGUMENT(FOnModifierArray, OnApplyModifier);
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SLATE_ARGUMENT(FOnModifierArray, OnRevertModifier);
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SLATE_ARGUMENT(FOnModifierArray, OnRemoveModifier);
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SLATE_ARGUMENT(FOnSingleModifier, OnOpenModifier);
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SLATE_ARGUMENT(FOnSingleModifier, OnMoveUpModifier);
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SLATE_ARGUMENT(FOnSingleModifier, OnMoveDownModifier);
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs);
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TSharedRef<ITableRow> OnGenerateWidgetForList(ModifierListviewItem Item, const TSharedRef<STableViewBase>& OwnerTable);
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void OnSelectionChanged(ModifierListviewItem SelectedItem, ESelectInfo::Type SelectInfo);
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/** Context menu callbacks for modifier actions */
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void OnApplyModifier();
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void OnRemoveModifier();
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void OnOpenModifier();
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void OnRevertModifier();
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void OnMoveUpModifier();
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void OnMoveDownModifier();
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/** Retrieve currently select Modifier instances */
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const TArray<TWeakObjectPtr<UAnimationModifier>> GetSelectedModifierInstances();
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/** Refreshes the listview panel */
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void Refresh();
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/** Generate the context menu widget when requested */
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TSharedPtr<SWidget> OnContextMenuOpening();
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protected:
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/** UI elements and listview data */
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TSharedPtr<SListView<ModifierListviewItem>> Listview;
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TArray<ModifierListviewItem>* ListviewItems;
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TSharedPtr<IDetailsView> InstanceDetailsView;
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/** Delegates back to SAnimationModifiersTab functionality */
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FOnModifierArray OnApplyModifierDelegate;
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FOnModifierArray OnRevertModifierDelegate;
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FOnModifierArray OnRemoveModifierDelegate;
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FOnSingleModifier OnOpenModifierDelegate;
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FOnSingleModifier OnMoveUpModifierDelegate;
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FOnSingleModifier OnMoveDownModifierDelegate;
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/** Check whether or not selected modifier can moved in either direction */
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bool CanMoveSelectedItemUp();
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bool CanMoveSelectedItemDown();
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};
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