121 lines
5.4 KiB
C++
121 lines
5.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "SSubobjectEditor.h"
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class IClassViewerFilter;
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/**
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* This is the editor for subobjects within the blueprint editor that
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*/
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class SUBOBJECTEDITOR_API SSubobjectBlueprintEditor final : public SSubobjectEditor
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{
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public:
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DECLARE_DELEGATE_OneParam(FOnHighlightPropertyInDetailsView, const class FPropertyPath&);
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private:
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SLATE_BEGIN_ARGS(SSubobjectBlueprintEditor)
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: _ObjectContext(nullptr)
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, _PreviewActor(nullptr)
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, _AllowEditing(true)
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, _HideComponentClassCombo(false)
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, _OnSelectionUpdated()
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, _OnHighlightPropertyInDetailsView()
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{}
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SLATE_ATTRIBUTE(UObject*, ObjectContext)
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SLATE_ATTRIBUTE(AActor*, PreviewActor)
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SLATE_ATTRIBUTE(bool, AllowEditing)
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SLATE_ATTRIBUTE(bool, HideComponentClassCombo)
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SLATE_EVENT(FOnSelectionUpdated, OnSelectionUpdated)
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SLATE_EVENT(FOnItemDoubleClicked, OnItemDoubleClicked)
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SLATE_EVENT(FOnHighlightPropertyInDetailsView, OnHighlightPropertyInDetailsView)
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SLATE_ARGUMENT(TArray<TSharedRef<IClassViewerFilter>>, SubobjectClassListFilters)
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs);
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protected:
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/** Attribute that provides access to a "preview" Actor context (may not be same as the Actor context that's being edited. */
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TAttribute<AActor*> PreviewActor;
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// SSubobjectEditor interface
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virtual bool ShouldModifyBPOnAssetDrop() const override { return true; }
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virtual void OnDeleteNodes() override;
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virtual void CopySelectedNodes() override;
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virtual void OnDuplicateComponent() override;
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virtual bool CanPasteNodes() const override;
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virtual void PasteNodes() override;
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virtual void OnAttachToDropAction(FSubobjectEditorTreeNodePtrType DroppedOn, const TArray<FSubobjectEditorTreeNodePtrType>& DroppedNodePtrs);
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virtual void OnDetachFromDropAction(const TArray<FSubobjectEditorTreeNodePtrType>& DroppedNodePtrs);
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virtual void OnMakeNewRootDropAction(FSubobjectEditorTreeNodePtrType DroppedNodePtr);
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virtual void PostDragDropAction(bool bRegenerateTreeNodes);
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/** Builds a context menu pop up for dropping a child node onto the scene root node */
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virtual TSharedPtr<SWidget> BuildSceneRootDropActionMenu(FSubobjectEditorTreeNodePtrType DroppedOntoNodePtr, FSubobjectEditorTreeNodePtrType DroppedNodePtr);
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virtual bool ClearSelectionOnClick() const override { return true; }
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virtual bool ShowInlineSearchWithButtons() const override { return true; }
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virtual FSubobjectDataHandle AddNewSubobject(const FSubobjectDataHandle& ParentHandle, UClass* NewClass, UObject* AssetOverride, FText& OutFailReason, TUniquePtr<FScopedTransaction> InOngoingTransaction) override;
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virtual void PopulateContextMenuImpl(UToolMenu* InMenu, TArray<FSubobjectEditorTreeNodePtrType>& InSelectedItems, bool bIsChildActorSubtreeNodeSelected) override;
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virtual FSubobjectEditorTreeNodePtrType GetSceneRootNode() const override;
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public:
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virtual FSubobjectEditorTreeNodePtrType FindSlateNodeForObject(const UObject* InObject, bool bIncludeAttachmentComponents = true) const override;
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// End of SSubobjectEditor
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public:
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/** Delegate to invoke when the given property should be highlighted in the details view (e.g. diff). */
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FOnHighlightPropertyInDetailsView OnHighlightPropertyInDetailsView;
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/**
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* Fills out an events section in ui.
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* @param Menu the menu to add the events section into
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* @param Blueprint the active blueprint context being edited
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* @param SelectedClass the common component class to build the events list from
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* @param CanExecuteActionDelegate the delegate to query whether or not to execute the UI action
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* @param GetSelectedObjectsDelegate the delegate to fill the currently select variables / components
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*/
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static void BuildMenuEventsSection(FMenuBuilder& Menu, UBlueprint* Blueprint, UClass* SelectedClass, FCanExecuteAction CanExecuteActionDelegate, FGetSelectedObjectsDelegate GetSelectedObjectsDelegate);
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/**
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* Highlight a tree node and, optionally, a property with in it
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*
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* @param TreeNodeName Name of the treenode to be highlighted
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* @param Property The name of the property to be highlighted in the details view
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*/
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void HighlightTreeNode(FName TreeNodeName, const class FPropertyPath& Property);
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protected:
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/**
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* Function to create events for the current selection
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* @param Blueprint the active blueprint context
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* @param EventName the event to add
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* @param GetSelectedObjectsDelegate the delegate to gather information about current selection
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* @param NodeIndex an index to a specified node to add event for or < 0 for all selected nodes.
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*/
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static void CreateEventsForSelection(UBlueprint* Blueprint, FName EventName, FGetSelectedObjectsDelegate GetSelectedObjectsDelegate);
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/**
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* Function to construct an event for a node
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* @param Blueprint the nodes blueprint
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* @param EventName the event to add
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* @param EventData the event data structure describing the node
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*/
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static void ConstructEvent(UBlueprint* Blueprint, const FName EventName, const FComponentEventConstructionData EventData);
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/**
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* Function to view an event for a node
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* @param Blueprint the nodes blueprint
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* @param EventName the event to view
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* @param EventData the event data structure describing the node
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*/
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static void ViewEvent(UBlueprint* Blueprint, const FName EventName, const FComponentEventConstructionData EventData);
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/** Get the current preview actor for this blueprint editor. */
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AActor* GetActorPreview() const { return PreviewActor.Get(nullptr); }
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}; |