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86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#include "GraphEditorCommon.h"
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#include "SGraphEditorActionMenu.h"
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#include "BlueprintEditorUtils.h"
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#include "K2ActionMenuBuilder.h" // for FBlueprintGraphActionListBuilder
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SGraphEditorActionMenu::~SGraphEditorActionMenu()
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{
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OnClosedCallback.ExecuteIfBound();
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}
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void SGraphEditorActionMenu::Construct( const FArguments& InArgs )
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{
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this->GraphObj = InArgs._GraphObj;
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this->DraggedFromPins = InArgs._DraggedFromPins;
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this->NewNodePosition = InArgs._NewNodePosition;
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this->OnClosedCallback = InArgs._OnClosedCallback;
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this->AutoExpandActionMenu = InArgs._AutoExpandActionMenu;
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// Build the widget layout
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SBorder::Construct( SBorder::FArguments()
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.BorderImage( FEditorStyle::GetBrush("Menu.Background") )
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.Padding(5)
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[
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// Achieving fixed width by nesting items within a fixed width box.
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SNew(SBox)
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.WidthOverride(400)
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.HeightOverride(400)
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[
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SAssignNew(GraphActionMenu, SGraphActionMenu)
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.OnActionSelected(this, &SGraphEditorActionMenu::OnActionSelected)
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.OnCollectAllActions(this, &SGraphEditorActionMenu::CollectAllActions)
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.AutoExpandActionMenu(AutoExpandActionMenu)
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]
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]
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);
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}
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void SGraphEditorActionMenu::CollectAllActions(FGraphActionListBuilderBase& OutAllActions)
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{
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// Build up the context object
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FBlueprintGraphActionListBuilder ContextMenuBuilder(GraphObj);
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if (DraggedFromPins.Num() > 0)
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{
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ContextMenuBuilder.FromPin = DraggedFromPins[0];
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}
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// Determine all possible actions
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GraphObj->GetSchema()->GetGraphContextActions(ContextMenuBuilder);
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// Copy the added options back to the main list
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//@TODO: Avoid this copy
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OutAllActions.Append(ContextMenuBuilder);
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}
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TSharedRef<SEditableTextBox> SGraphEditorActionMenu::GetFilterTextBox()
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{
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return GraphActionMenu->GetFilterTextBox();
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}
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void SGraphEditorActionMenu::OnActionSelected( const TArray< TSharedPtr<FEdGraphSchemaAction> >& SelectedAction )
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{
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bool bDoDismissMenus = true;
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if ( GraphObj != NULL )
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{
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for ( int32 ActionIndex = 0; ActionIndex < SelectedAction.Num(); ActionIndex++ )
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{
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TSharedPtr<FEdGraphSchemaAction> CurrentAction = SelectedAction[ActionIndex];
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if ( CurrentAction.IsValid() )
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{
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if ( bDoDismissMenus )
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{
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FSlateApplication::Get().DismissAllMenus();
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bDoDismissMenus = false;
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}
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CurrentAction->PerformAction(GraphObj, DraggedFromPins, NewNodePosition);
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}
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}
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}
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} |