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98 lines
3.5 KiB
C++
98 lines
3.5 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "InputCoreTypes.h"
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#include "Input/Reply.h"
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#include "IDetailTreeNode.h"
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#include "Widgets/Views/STableViewBase.h"
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#include "Widgets/Views/STableRow.h"
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#include "Textures/SlateIcon.h"
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#include "Framework/Commands/UIAction.h"
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#include "Widgets/Views/SListView.h"
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#include "IDetailsViewPrivate.h"
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#include "Layout/WidgetPath.h"
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#include "Framework/Application/MenuStack.h"
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#include "Framework/Application/SlateApplication.h"
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#include "Framework/MultiBox/MultiBoxBuilder.h"
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class SDetailTableRowBase : public STableRow< TSharedPtr< IDetailTreeNode > >
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{
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public:
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virtual FReply OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent ) override
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{
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if( OwnerTreeNode.IsValid() && MouseEvent.GetEffectingButton() == EKeys::RightMouseButton && !StaticCastSharedRef<STableViewBase>( OwnerTablePtr.Pin()->AsWidget() )->IsRightClickScrolling() )
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{
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FMenuBuilder MenuBuilder( true, NULL );
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TArray< TSharedRef<IDetailTreeNode> > VisibleChildren;
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OwnerTreeNode.Pin()->GetChildren( VisibleChildren );
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bool bShouldOpenMenu = false;
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// Open context menu if this node can be expanded
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if( VisibleChildren.Num() )
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{
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bShouldOpenMenu = true;
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FUIAction ExpandAllAction( FExecuteAction::CreateSP( this, &SDetailTableRowBase::OnExpandAllClicked ) );
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FUIAction CollapseAllAction( FExecuteAction::CreateSP( this, &SDetailTableRowBase::OnCollapseAllClicked ) );
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MenuBuilder.BeginSection( NAME_None, NSLOCTEXT("PropertyView", "ExpansionHeading", "Expansion") );
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MenuBuilder.AddMenuEntry( NSLOCTEXT("PropertyView", "CollapseAll", "Collapse All"), NSLOCTEXT("PropertyView", "CollapseAll_ToolTip", "Collapses this item and all children"), FSlateIcon(), CollapseAllAction );
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MenuBuilder.AddMenuEntry( NSLOCTEXT("PropertyView", "ExpandAll", "Expand All"), NSLOCTEXT("PropertyView", "ExpandAll_ToolTip", "Expands this item and all children"), FSlateIcon(), ExpandAllAction );
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MenuBuilder.EndSection();
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}
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bShouldOpenMenu |= OnContextMenuOpening(MenuBuilder);
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if( bShouldOpenMenu )
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{
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FWidgetPath WidgetPath = MouseEvent.GetEventPath() != nullptr ? *MouseEvent.GetEventPath() : FWidgetPath();
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FSlateApplication::Get().PushMenu(AsShared(), WidgetPath, MenuBuilder.MakeWidget(), MouseEvent.GetScreenSpacePosition(), FPopupTransitionEffect::ContextMenu);
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return FReply::Handled();
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}
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}
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return STableRow< TSharedPtr< IDetailTreeNode > >::OnMouseButtonUp( MyGeometry, MouseEvent );
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}
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protected:
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/**
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* Called when the user opens the context menu on this row
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*
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* @param MenuBuilder The menu builder to add menu items to
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* @return true if menu items were added
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*/
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virtual bool OnContextMenuOpening( FMenuBuilder& MenuBuilder ) { return false; }
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private:
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void OnExpandAllClicked()
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{
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TSharedPtr<IDetailTreeNode> OwnerTreeNodePin = OwnerTreeNode.Pin();
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if( OwnerTreeNodePin.IsValid() )
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{
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const bool bRecursive = true;
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const bool bIsExpanded = true;
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OwnerTreeNodePin->GetDetailsView().SetNodeExpansionState( OwnerTreeNodePin.ToSharedRef(), bIsExpanded, bRecursive );
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}
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}
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void OnCollapseAllClicked()
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{
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TSharedPtr<IDetailTreeNode> OwnerTreeNodePin = OwnerTreeNode.Pin();
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if( OwnerTreeNodePin.IsValid() )
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{
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const bool bRecursive = true;
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const bool bIsExpanded = false;
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OwnerTreeNodePin->GetDetailsView().SetNodeExpansionState( OwnerTreeNodePin.ToSharedRef(), bIsExpanded, bRecursive );
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}
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}
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protected:
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static float ScrollbarPaddingSize;
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TWeakPtr<IDetailTreeNode> OwnerTreeNode;
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};
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