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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// Copyright 1998-2016 Epic Games, Inc. All Rights Reserved.
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#include "DetailCustomizationsPrivatePCH.h"
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#include "KeyStructCustomization.h"
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#include "ScopedTransaction.h"
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#include "SKeySelector.h"
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#define LOCTEXT_NAMESPACE "FKeyStructCustomization"
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/* FKeyStructCustomization static interface
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*****************************************************************************/
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TSharedRef<IPropertyTypeCustomization> FKeyStructCustomization::MakeInstance( )
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{
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return MakeShareable(new FKeyStructCustomization);
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}
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/* IPropertyTypeCustomization interface
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*****************************************************************************/
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void FKeyStructCustomization::CustomizeHeader( TSharedRef<class IPropertyHandle> StructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils )
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{
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PropertyHandle = StructPropertyHandle;
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// create struct header
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HeaderRow.NameContent()
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[
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StructPropertyHandle->CreatePropertyNameWidget()
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]
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.ValueContent()
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.MinDesiredWidth(125.0f)
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.MaxDesiredWidth(325.0f)
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[
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SNew(SKeySelector)
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.CurrentKey(this, &FKeyStructCustomization::GetCurrentKey)
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.OnKeyChanged(this, &FKeyStructCustomization::OnKeyChanged)
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.Font(StructCustomizationUtils.GetRegularFont())
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];
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}
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TOptional<FKey> FKeyStructCustomization::GetCurrentKey() const
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{
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TArray<void*> StructPtrs;
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PropertyHandle->AccessRawData(StructPtrs);
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if (StructPtrs.Num() != 0)
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{
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FKey* SelectedKey = (FKey*)StructPtrs[0];
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for(int32 StructPtrIndex = 1; StructPtrIndex < StructPtrs.Num(); ++StructPtrIndex)
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{
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if (SelectedKey && *(FKey*)StructPtrs[StructPtrIndex] != *SelectedKey)
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{
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return TOptional<FKey>();
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}
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}
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return *SelectedKey;
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}
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return FKey();
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}
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void FKeyStructCustomization::OnKeyChanged(TSharedPtr<FKey> SelectedKey)
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{
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PropertyHandle->SetValueFromFormattedString(SelectedKey->ToString());
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}
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#undef LOCTEXT_NAMESPACE
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