99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
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// 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 "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/Views/SHeaderRow.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/STreeView.h"
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// Insights
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#include "Insights/Table/ViewModels/TableTreeNode.h"
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class IToolTip;
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namespace Insights
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{
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class FTable;
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class FTableColumn;
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class STableTreeRowToolTip;
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DECLARE_DELEGATE_RetVal_OneParam(bool, FTableTreeNodeShouldBeEnabledDelegate, FTableTreeNodePtr /*NodePtr*/);
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DECLARE_DELEGATE_RetVal_OneParam(bool, FIsColumnVisibleDelegate, const FName /*ColumnId*/);
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DECLARE_DELEGATE_RetVal_OneParam(EHorizontalAlignment, FGetColumnOutlineHAlignmentDelegate, const FName /*ColumnId*/);
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DECLARE_DELEGATE_ThreeParams(FSetHoveredTableTreeViewCell, TSharedPtr<FTable> /*TablePtr*/, TSharedPtr<FTableColumn> /*ColumnPtr*/, FTableTreeNodePtr /*TableTreeNodePtr*/);
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/** Widget that represents a table row in the tree control. Generates widgets for each column on demand. */
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class STableTreeViewRow: public SMultiColumnTableRow<FTableTreeNodePtr>
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{
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public:
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SLATE_BEGIN_ARGS(STableTreeViewRow) {}
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SLATE_EVENT(FTableTreeNodeShouldBeEnabledDelegate, OnShouldBeEnabled)
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SLATE_EVENT(FIsColumnVisibleDelegate, OnIsColumnVisible)
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SLATE_EVENT(FGetColumnOutlineHAlignmentDelegate, OnGetColumnOutlineHAlignmentDelegate)
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SLATE_EVENT(FSetHoveredTableTreeViewCell, OnSetHoveredCell)
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SLATE_ATTRIBUTE(FText, HighlightText)
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SLATE_ATTRIBUTE(FName, HighlightedNodeName)
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SLATE_ARGUMENT(TSharedPtr<FTable>, TablePtr)
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SLATE_ARGUMENT(FTableTreeNodePtr, TableTreeNodePtr)
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SLATE_END_ARGS()
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public:
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void Construct(const FArguments& InArgs, const TSharedRef<STableViewBase>& InOwnerTableView);
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virtual TSharedRef<SWidget> GenerateWidgetForColumn(const FName& ColumnId) override;
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/**
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* Called when Slate detects that a widget started to be dragged.
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* Usage:
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* A widget can ask Slate to detect a drag.
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* OnMouseDown() reply with FReply::Handled().DetectDrag(SharedThis(this)).
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* Slate will either send an OnDragDetected() event or do nothing.
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* If the user releases a mouse button or leaves the widget before
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* a drag is triggered (maybe user started at the very edge) then no event will be
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* sent.
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*
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* @param InMyGeometry Widget geometry
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* @param InMouseEvent MouseMove that triggered the drag
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*
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*/
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virtual FReply OnDragDetected(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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TSharedRef<IToolTip> GetRowToolTip() const;
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void InvalidateContent();
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protected:
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FSlateColor GetBackgroundColorAndOpacity() const;
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FSlateColor GetBackgroundColorAndOpacity(double Time) const;
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FSlateColor GetOutlineColorAndOpacity() const;
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const FSlateBrush* GetOutlineBrush(const FName ColumnId) const;
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bool HandleShouldBeEnabled() const;
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EVisibility IsColumnVisible(const FName ColumnId) const;
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void OnSetHoveredCell(TSharedPtr<FTable> InTablePtr, TSharedPtr<FTableColumn> InColumnPtr, FTableTreeNodePtr InTreeNodePtr);
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protected:
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/** A shared pointer to the table view model. */
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TSharedPtr<FTable> TablePtr;
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/** Data context for this table row. */
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FTableTreeNodePtr TableTreeNodePtr;
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FTableTreeNodeShouldBeEnabledDelegate OnShouldBeEnabled;
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FIsColumnVisibleDelegate IsColumnVisibleDelegate;
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FSetHoveredTableTreeViewCell SetHoveredCellDelegate;
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FGetColumnOutlineHAlignmentDelegate GetColumnOutlineHAlignmentDelegate;
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/** Text to be highlighted on tree node's name. */
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TAttribute<FText> HighlightText;
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/** Name of the tree node that should be drawn as highlighted. */
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TAttribute<FName> HighlightedNodeName;
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TSharedPtr<STableTreeRowToolTip> RowToolTip;
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};
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} // namespace Insights
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