/**
* @file ObjectIDDescription.h
* @brief 所有的ID的元数据描述
* @date 2014-5-26
* @author: liyonggang
*/
#ifndef PAI_FRAME_OSGOBJECTIDDESCRIPTION_H
#define PAI_FRAME_OSGOBJECTIDDESCRIPTION_H
#pragma warning( push ,0)
#include "OSGDataModel.h"
#include <QUuid>
#pragma warning( pop )

#pragma execution_character_set("utf-8")

BEGIN_OSGDATAMODEL_NAMESPACE;

/**
* @class ID的元数据类
* @brief 主要包括它编程时的"宏"(助记符)和它的描述信息
*/
class OSGDATAMODEL_EXPORT CObjectIDDescription
{
public:
	CObjectIDDescription();

	CObjectIDDescription( QUuid ID,QString strID,QString  strDescription );

	bool operator !=( const CObjectIDDescription& s );

	bool operator < ( const CObjectIDDescription& s ) const;

public:
	QUuid m_ID; // ID
	QString m_strID; //ID对应的编程时的"宏"(助记符)
	QString m_strDescription; //可读解释此ID的描述信息
};

/**
* @brief 实现ID元数据注册
*/
OSGDATAMODEL_EXPORT void  RegisterGuidDescription( CObjectIDDescription s );

/**
* @brief 根据ID得到对应的元数据
*/
OSGDATAMODEL_EXPORT const CObjectIDDescription *GetGuidDescription( QUuid id );

/**
* @class CGuidDescriptionAuto
* @brief 实现ID元数据自动注册的辅助类
*/
class OSGDATAMODEL_EXPORT CGuidDescriptionAuto
{
public:
	CGuidDescriptionAuto( CObjectIDDescription *pDescription )
	{
		while( pDescription &&  pDescription->m_ID != QUuid() )
		{
			RegisterGuidDescription( *pDescription );
			++pDescription;
		}
	}
};

//实现ID元数据自动注册的宏
#define BEGIN_REGISTER_ID_DESCRIPTION() \
    datamodel::CObjectIDDescription gGuidDescription[] = {

//实现ID元数据自动注册的宏
#define END_REGISTER_ID_DESCRIPTION()\
    ,datamodel::CObjectIDDescription() };\
    datamodel::CGuidDescriptionAuto g_GuidDescriptionAuto( gGuidDescription );

#define ID_ITEM_DATA( id,strDescription) \
    datamodel::CObjectIDDescription( id,#id,strDescription)

END_OSGDATAMODEL_NAMESPACE

#endif