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#rnx #rb none #ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904 #ROBOMERGE-BOT: (v613-10869866) [CL 10870586 by ryan durand in Main branch]
85 lines
3.1 KiB
C++
85 lines
3.1 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 "Misc/Attribute.h"
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#include "Input/Reply.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SWidget.h"
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#include "Layout/Margin.h"
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#include "Widgets/Views/STableViewBase.h"
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#include "Widgets/Views/STableRow.h"
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#include "Widgets/Views/SListView.h"
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#include "ISkeletonTreeItem.h"
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DECLARE_DELEGATE_RetVal_TwoParams(FReply, FOnDraggingTreeItem, const FGeometry&, const FPointerEvent&);
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class SSkeletonTreeRow : public SMultiColumnTableRow<TSharedPtr<ISkeletonTreeItem>>
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{
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public:
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SLATE_BEGIN_ARGS(SSkeletonTreeRow) {}
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/** The item for this row **/
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SLATE_ARGUMENT(TSharedPtr<ISkeletonTreeItem>, Item)
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/** Filter text typed by the user into the parent tree's search widget */
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SLATE_ATTRIBUTE(FText, FilterText);
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/** Delegate for dragging items **/
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SLATE_EVENT(FOnDraggingTreeItem, OnDraggingItem);
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs, const TSharedRef<STableViewBase>& InOwnerTableView);
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/** Overridden from SMultiColumnTableRow. Generates a widget for this column of the tree row. */
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virtual TSharedRef<SWidget> GenerateWidgetForColumn(const FName& ColumnName) override;
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/** Overridden from STableRow. Allows us to generate inline edit widgets. */
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virtual void ConstructChildren(ETableViewMode::Type InOwnerTableMode, const TAttribute<FMargin>& InPadding, const TSharedRef<SWidget>& InContent) override;
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/** Override OnDragEnter for drag and drop of sockets onto bones */
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virtual void OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
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/** Override OnDragLeave for drag and drop of sockets onto bones */
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virtual void OnDragLeave(const FDragDropEvent& DragDropEvent) override;
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/** Override OnDrop for drag and drop of sockets and meshes onto bones */
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virtual FReply OnDrop(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
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/** Override DoesItemHaveChildren to add expander to in-line editors */
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virtual int32 DoesItemHaveChildren() const override;
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/** @return true if the corresponding item is expanded; false otherwise */
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virtual bool IsItemExpanded() const override;
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/** Toggle the expansion of the item associated with this row */
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virtual void ToggleExpansion() override;
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protected:
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/** Handler for starting a drag/drop action */
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virtual FReply OnDragDetected(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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/** Get the editable skeleton we are editing */
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TSharedRef<class IEditableSkeleton> GetEditableSkeleton() const { return Item.Pin()->GetEditableSkeleton(); }
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/** Get the skeleton tree we are embedded in */
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TSharedRef<class ISkeletonTree> GetSkeletonTree() const { return Item.Pin()->GetSkeletonTree(); }
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private:
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/** The item this row is holding */
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TWeakPtr<ISkeletonTreeItem> Item;
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/** Text the user typed into the search box - used for text highlighting */
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TAttribute<FText> FilterText;
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/** Item that we're dragging */
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FOnDraggingTreeItem OnDraggingItem;
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/** Was the user pressing "Alt" when the drag was started? */
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bool bIsAltDrag;
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};
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