// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.

#pragma once

class FDirectoryPathStructCustomization : public IPropertyTypeCustomization
{
public:
	static TSharedRef<IPropertyTypeCustomization> MakeInstance();

	/** IPropertyTypeCustomization interface */
	virtual void CustomizeHeader( TSharedRef<class IPropertyHandle> StructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils ) OVERRIDE;

	virtual void CustomizeChildren( TSharedRef<class IPropertyHandle> StructPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils ) OVERRIDE;              

private:

	/** Delegate for displaying text value of path */
	FText GetDisplayedText(TSharedRef<IPropertyHandle> PropertyHandle) const;

	/** Delegate used to display a directory picker */
	FReply OnPickDirectory(TSharedRef<IPropertyHandle> PropertyHandle, const bool bRelativeToGameContentDir, const bool bUseRelativePaths) const;

	/** Check whether that the chosen path is valid */
	bool IsValidPath(const FString& AbsolutePath, const bool bRelativeToGameContentDir, FText* const OutReason = nullptr) const;

	/** The browse button widget */
	TSharedPtr<SButton> BrowseButton;

	/** Absolute path to the game content directory */
	FString AbsoluteGameContentDir;
};