Files
UnrealEngineUWP/Engine/Source/Editor/BlueprintGraph/Private/K2Node_SwitchString.cpp

114 lines
2.9 KiB
C++

// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
#include "BlueprintGraphPrivatePCH.h"
#include "Kismet/KismetMathLibrary.h"
#include "K2Node_SwitchString.h"
#include "BlueprintNodeSpawner.h"
UK2Node_SwitchString::UK2Node_SwitchString(const class FPostConstructInitializeProperties& PCIP)
: Super(PCIP)
{
bIsCaseSensitive = false;
FunctionName = TEXT("NotEqual_StrStr");
FunctionClass = UKismetStringLibrary::StaticClass();
}
void UK2Node_SwitchString::PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent)
{
bool bIsDirty = false;
FName PropertyName = (PropertyChangedEvent.Property != NULL) ? PropertyChangedEvent.Property->GetFName() : NAME_None;
if (PropertyName == TEXT("PinNames"))
{
bIsDirty = true;
}
else if (PropertyName == TEXT("bIsCaseSensitive"))
{
FunctionName = (bIsCaseSensitive == true)
? TEXT("NotEqual_StrStr")
: TEXT("NotEqual_StriStri");
FunctionClass = UKismetStringLibrary::StaticClass();
bIsDirty = true;
}
if (bIsDirty)
{
ReconstructNode();
GetGraph()->NotifyGraphChanged();
}
Super::PostEditChangeProperty(PropertyChangedEvent);
}
FText UK2Node_SwitchString::GetNodeTitle(ENodeTitleType::Type TitleType) const
{
return NSLOCTEXT("K2Node", "Switch_String", "Switch on String");
}
FString UK2Node_SwitchString::GetTooltip() const
{
return NSLOCTEXT("K2Node", "SwitchString_ToolTip", "Selects an output that matches the input value").ToString();
}
void UK2Node_SwitchString::GetMenuActions(TArray<UBlueprintNodeSpawner*>& ActionListOut) const
{
UBlueprintNodeSpawner* NodeSpawner = UBlueprintNodeSpawner::Create(GetClass());
check(NodeSpawner != nullptr);
ActionListOut.Add(NodeSpawner);
}
void UK2Node_SwitchString::CreateSelectionPin()
{
const UEdGraphSchema_K2* K2Schema = GetDefault<UEdGraphSchema_K2>();
CreatePin(EGPD_Input, K2Schema->PC_String, TEXT(""), NULL, false, false, TEXT("Selection"));
}
FString UK2Node_SwitchString::GetPinNameGivenIndex(int32 Index)
{
check(Index);
return PinNames[Index];
}
void UK2Node_SwitchString::CreateCasePins()
{
const UEdGraphSchema_K2* K2Schema = GetDefault<UEdGraphSchema_K2>();
for( TArray<FString>::TIterator it(PinNames); it; ++it )
{
CreatePin(EGPD_Output, K2Schema->PC_Exec, TEXT(""), NULL, false, false, *it);
}
}
FString UK2Node_SwitchString::GetUniquePinName()
{
FString NewPinName;
int32 Index = 0;
while (true)
{
NewPinName = FString::Printf(TEXT("Case_%d"), Index++);
if (!FindPin(NewPinName))
{
break;
}
}
return NewPinName;
}
void UK2Node_SwitchString::AddPinToSwitchNode()
{
FString PinName = GetUniquePinName();
PinNames.Add(PinName);
const UEdGraphSchema_K2* K2Schema = GetDefault<UEdGraphSchema_K2>();
CreatePin(EGPD_Output, K2Schema->PC_Exec, TEXT(""), NULL, false, false, PinName);
}
void UK2Node_SwitchString::RemovePin(UEdGraphPin* TargetPin)
{
checkSlow(TargetPin);
// Clean-up pin name array
PinNames.Remove(TargetPin->PinName);
}