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75200e5a0d
This will occur with every structural modification to any BP, node titles refresh only when visible. [CL 2499923 by Michael Schoell in Main branch]
103 lines
3.8 KiB
C++
103 lines
3.8 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#include "BlueprintGraphPrivatePCH.h"
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#include "K2Node_AssignDelegate.h"
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#include "K2Node_CustomEvent.h" // for CreateFromFunction()
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#include "BlueprintEditorUtils.h" // for DoesSupportEventGraphs(), FindUniqueKismetName(), etc.
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#include "EditorStyleSettings.h" // for bShowFriendlyNames
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#include "ObjectEditorUtils.h" // for GetCategory()
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#include "EditorCategoryUtils.h"
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#include "Editor/EditorEngine.h" // for GetFriendlyName()
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#define LOCTEXT_NAMESPACE "K2Node_AssignDelegate"
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//------------------------------------------------------------------------------
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UK2Node_AssignDelegate::UK2Node_AssignDelegate(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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}
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//------------------------------------------------------------------------------
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FText UK2Node_AssignDelegate::GetNodeTitle(ENodeTitleType::Type TitleType) const
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{
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if (TitleType == ENodeTitleType::ListView || TitleType == ENodeTitleType::MenuTitle)
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{
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if (CachedListTitle.IsOutOfDate(this))
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{
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FText PropertyName;
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if (UProperty* Property = GetProperty())
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{
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bool const bShowFriendlyNames = GetDefault<UEditorStyleSettings>()->bShowFriendlyNames;
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PropertyName = FText::FromString(bShowFriendlyNames ? UEditorEngine::GetFriendlyName(Property) : Property->GetName());
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// FText::Format() is slow, so we cache this to save on performance
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CachedListTitle.SetCachedText(FText::Format(LOCTEXT("AssignDelegateTitle", "Assign {0}"), PropertyName), this);
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}
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else
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{
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return LOCTEXT("InvalidPropertyTitle", "Assign <invalid delegate>");
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}
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}
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return CachedListTitle;
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}
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return Super::GetNodeTitle(TitleType);
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}
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//------------------------------------------------------------------------------
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FText UK2Node_AssignDelegate::GetMenuCategory() const
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{
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FText MenuCategory = FEditorCategoryUtils::GetCommonCategory(FCommonEditorCategory::Delegates);
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if (UProperty* Property = GetProperty())
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{
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MenuCategory = FText::FromString(FObjectEditorUtils::GetCategory(Property));
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}
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return MenuCategory;
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}
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//------------------------------------------------------------------------------
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bool UK2Node_AssignDelegate::IsCompatibleWithGraph(const UEdGraph* TargetGraph) const
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{
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bool bIsCompatible = Super::IsCompatibleWithGraph(TargetGraph);
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UBlueprint* Blueprint = FBlueprintEditorUtils::FindBlueprintForGraph(TargetGraph);
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check(Blueprint != nullptr);
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UEdGraphSchema const* Schema = TargetGraph->GetSchema();
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EGraphType GraphType = Schema->GetGraphType(TargetGraph);
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bool const bAllowEvents = (GraphType == GT_Ubergraph) && FBlueprintEditorUtils::DoesSupportEventGraphs(Blueprint);
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return bAllowEvents && Super::IsCompatibleWithGraph(TargetGraph);
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}
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//------------------------------------------------------------------------------
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void UK2Node_AssignDelegate::PostPlacedNewNode()
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{
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UEdGraphPin* InDelegatePin = GetDelegatePin();
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if (InDelegatePin->LinkedTo.Num() == 0)
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{
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if (UMulticastDelegateProperty* DelegateProp = Cast<UMulticastDelegateProperty>(GetProperty()))
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{
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FVector2D const LocationOffset(-150.f, +150.f);
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FText DelegateName = FText::FromName(DelegateProp->GetFName());
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FText DesiredEventName = FText::Format(LOCTEXT("BindedEventName", "{0}_Event"), DelegateName);
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FName EventName = FBlueprintEditorUtils::FindUniqueKismetName(GetBlueprint(), DesiredEventName.ToString());
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UK2Node_CustomEvent* EventNode = UK2Node_CustomEvent::CreateFromFunction(
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FVector2D(NodePosX, NodePosY) + LocationOffset,
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GetGraph(), EventName.ToString(), DelegateProp->SignatureFunction, /*bSelectNewNode =*/false);
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if (EventNode != nullptr)
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{
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UEdGraphSchema_K2 const* K2Schema = GetDefault<UEdGraphSchema_K2>();
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UEdGraphPin* OutDelegatePin = EventNode->FindPinChecked(UK2Node_CustomEvent::DelegateOutputName);
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K2Schema->TryCreateConnection(OutDelegatePin, InDelegatePin);
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}
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}
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}
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}
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#undef LOCTEXT_NAMESPACE
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