96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "IPropertyTypeCustomization.h"
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#include "Internationalization/Text.h"
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#include "Styling/SlateColor.h"
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#include "Templates/SharedPointer.h"
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#include "Types/SlateEnums.h"
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class IPropertyHandle;
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class SEditableTextBox;
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struct FGuid;
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namespace EPropertyEditorGuidActions
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{
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/**
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* Enumerates quick-set action types.
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*/
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enum Type
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{
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/** Generate a new GUID. */
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Generate,
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/** Set a null GUID. */
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Invalidate
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};
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}
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// Writes the supplied GUID to the supplied property handle as one undoable transaction
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DETAILCUSTOMIZATIONS_API void WriteGuidToProperty(TSharedPtr<IPropertyHandle> GuidPropertyHandle, const FGuid& Guid);
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/**
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* Implements a details panel customization for FGuid structures.
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*/
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class FGuidStructCustomization
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: public IPropertyTypeCustomization
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{
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public:
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/**
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* Creates a new instance.
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*
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* @return A new struct customization for Guids.
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*/
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static TSharedRef<IPropertyTypeCustomization> MakeInstance( )
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{
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return MakeShareable(new FGuidStructCustomization);
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}
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public:
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// IPropertyTypeCustomization interface
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virtual void CustomizeHeader( TSharedRef<class IPropertyHandle> StructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils ) override;
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virtual void CustomizeChildren( TSharedRef<class IPropertyHandle> StructPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils ) override;
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protected:
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/**
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* Sets the property's value.
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*
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* @param Guid The value to set.
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*/
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void SetGuidValue( const FGuid& Guid );
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private:
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/** Callback for clicking an item in the quick-set menu. */
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void HandleGuidActionClicked( EPropertyEditorGuidActions::Type Action );
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/** Handles getting the text color of the editable text box. */
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FSlateColor HandleTextBoxForegroundColor() const;
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/** Handles getting the text to be displayed in the editable text box. */
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FText HandleTextBoxText( ) const;
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/** Handles changing the value in the editable text box. */
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void HandleTextBoxTextChanged( const FText& NewText );
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/** Handles committing the text in the editable text box. */
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void HandleTextBoxTextCommited( const FText& NewText, ETextCommit::Type CommitInfo );
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private:
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/** Holds a flag indicating whether the current input is a valid GUID. */
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bool InputValid;
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/** Holds a handle to the property being edited. */
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TSharedPtr<IPropertyHandle> PropertyHandle;
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/** Holds the text box for editing the Guid. */
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TSharedPtr<SEditableTextBox> TextBox;
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};
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