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#rnx #rb none #ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904 #ROBOMERGE-BOT: (v613-10869866) [CL 10870586 by ryan durand in Main branch]
105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "BitmaskLiteralDetails.h"
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#include "UObject/Class.h"
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#include "UObject/UObjectHash.h"
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#include "UObject/UObjectIterator.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/Text/STextBlock.h"
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#include "EdGraphSchema_K2.h"
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#include "K2Node_BitmaskLiteral.h"
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#include "DetailLayoutBuilder.h"
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#include "DetailWidgetRow.h"
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#include "DetailCategoryBuilder.h"
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#include "IDetailsView.h"
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#include "Widgets/Input/STextComboBox.h"
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#define LOCTEXT_NAMESPACE "BitmaskLiteralDetails"
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void FBitmaskLiteralDetails::CustomizeDetails(IDetailLayoutBuilder& DetailLayout)
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{
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const TArray<TWeakObjectPtr<UObject>>& Objects = DetailLayout.GetSelectedObjects();
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check(Objects.Num() > 0);
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if (Objects.Num() == 1)
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{
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TargetNode = CastChecked<UK2Node_BitmaskLiteral>(Objects[0].Get());
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BitmaskEnumTypeMap.Empty();
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BitmaskEnumTypeNames.Empty();
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BitmaskEnumTypeNames.Add(MakeShareable(new FString(LOCTEXT("BitmaskEnumTypeName_None", "None").ToString())));
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for (TObjectIterator<UEnum> EnumIt; EnumIt; ++EnumIt)
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{
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UEnum* CurrentEnum = *EnumIt;
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if (UEdGraphSchema_K2::IsAllowableBlueprintVariableType(CurrentEnum) && CurrentEnum->HasMetaData(TEXT("Bitflags")))
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{
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BitmaskEnumTypeMap.Add(CurrentEnum->GetFName(), CurrentEnum);
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BitmaskEnumTypeNames.Add(MakeShareable(new FString(CurrentEnum->GetName())));
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}
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}
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IDetailCategoryBuilder& Category = DetailLayout.EditCategory("Options", LOCTEXT("OptionsCategory", "Bitmask Options"));
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Category.AddCustomRow(LOCTEXT("BitmaskEnumLabel", "Bitmask Enum"))
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.NameContent()
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[
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SNew(STextBlock)
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.Font(IDetailLayoutBuilder::GetDetailFont())
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.Text(LOCTEXT("BitmaskEnumLabel", "Bitmask Enum"))
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.ToolTipText(LOCTEXT("BitmaskEnumTooltip", "Choose an optional enumeration type for the flags. Note that changing this will also reset the input pin's default value."))
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]
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.ValueContent()
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[
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SNew(STextComboBox)
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.OptionsSource(&BitmaskEnumTypeNames)
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.InitiallySelectedItem(GetBitmaskEnumTypeName())
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.OnSelectionChanged(this, &FBitmaskLiteralDetails::OnBitmaskEnumTypeChanged)
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];
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}
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}
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TSharedPtr<FString> FBitmaskLiteralDetails::GetBitmaskEnumTypeName() const
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{
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check(BitmaskEnumTypeNames.Num() > 0);
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TSharedPtr<FString> Result = BitmaskEnumTypeNames[0];
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if (TargetNode->BitflagsEnum)
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{
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for (int32 i = 1; i < BitmaskEnumTypeNames.Num(); ++i)
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{
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if (TargetNode->BitflagsEnum->GetName() == *BitmaskEnumTypeNames[i])
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{
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Result = BitmaskEnumTypeNames[i];
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break;
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}
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}
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}
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return Result;
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}
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void FBitmaskLiteralDetails::OnBitmaskEnumTypeChanged(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo)
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{
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if (ItemSelected == BitmaskEnumTypeNames[0])
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{
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TargetNode->BitflagsEnum = nullptr;
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}
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else if (ItemSelected.IsValid())
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{
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TargetNode->BitflagsEnum = BitmaskEnumTypeMap[FName(**ItemSelected)];
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}
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TargetNode->ReconstructNode();
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// Reset default value
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if (UEdGraphPin* InputPin = TargetNode->FindPin(TargetNode->GetBitmaskInputPinName()))
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{
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if (const UEdGraphSchema_K2* K2Schema = Cast<UEdGraphSchema_K2>(InputPin->GetSchema()))
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{
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K2Schema->SetPinAutogeneratedDefaultValueBasedOnType(InputPin);
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}
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}
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}
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#undef LOCTEXT_NAMESPACE
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