71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Widgets/SCompoundWidget.h"
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#include "Widgets/Views/STreeView.h"
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class UStateTree;
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class FStateTreeViewModel;
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class SCompactStateTreeView;
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struct FPropertyChangedEvent;
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class UStateTreeState;
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class FUICommandList;
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class SStateTreeOutliner : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SStateTreeOutliner) {}
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SLATE_END_ARGS()
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SStateTreeOutliner();
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virtual ~SStateTreeOutliner() override;
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void Construct(const FArguments& InArgs, TSharedRef<FStateTreeViewModel> StateTreeViewModel, const TSharedRef<FUICommandList>& InCommandList);
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private:
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// ViewModel handlers
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void HandleModelAssetChanged();
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void HandleModelStatesRemoved(const TSet<UStateTreeState*>& AffectedParents);
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void HandleModelStatesMoved(const TSet<UStateTreeState*>& AffectedParents, const TSet<UStateTreeState*>& MovedStates);
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void HandleModelStateAdded(UStateTreeState* ParentState, UStateTreeState* NewState);
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void HandleModelStatesChanged(const TSet<UStateTreeState*>& AffectedStates, const FPropertyChangedEvent& PropertyChangedEvent);
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void HandleModelSelectionChanged(const TArray<TWeakObjectPtr<UStateTreeState>>& SelectedStates);
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void HandleTreeViewSelectionChanged(TConstArrayView<FGuid> SelectedStateIDs);
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void HandleVisualThemeChanged(const UStateTree& StateTree);
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virtual FReply OnKeyDown(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent) override;
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TSharedPtr<SWidget> HandleContextMenuOpening();
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// Action handlers
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// @todo: these are also defined in the SStateTreeView, figure out how to share code.
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UStateTreeState* GetFirstSelectedState() const;
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void HandleAddSiblingState();
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void HandleAddChildState();
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void HandleCutSelectedStates();
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void HandleCopySelectedStates();
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void HandlePasteStatesAsSiblings();
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void HandlePasteStatesAsChildren();
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void HandleDuplicateSelectedStates();
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void HandleDeleteStates();
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void HandleEnableSelectedStates();
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void HandleDisableSelectedStates();
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bool HasSelection() const;
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bool CanPaste() const;
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bool CanEnableStates() const;
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bool CanDisableStates() const;
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void BindCommands();
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TSharedPtr<FStateTreeViewModel> StateTreeViewModel;
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TSharedPtr<SCompactStateTreeView> CompactStateTreeView;
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TSharedPtr<FUICommandList> CommandList;
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bool bItemsDirty = false;
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bool bUpdatingSelection = false;
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};
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