#pragma once

#include "OMExport.h"
#include "XJObject.h"
#include "OMUndoRedo.h"
#include <assert.h>
#include <map>
#include <vector>


class CXJObjectManager;
class OMPeriodicLattice;

enum {MAX_MANAGER_NUM = 2000};

//声明导出函数 
extern "C" XJ_OM_EXPORT CXJObjectManager* GetObjectManager(int index = 0);

class XJ_OM_EXPORT CXJObjectManager
{
public:
	//单例模式，获得对象管理指针
	static CXJObjectManager* GetInstance();
	~CXJObjectManager();

	//获取二维点阵数据对象
	OMPeriodicLattice* GetPeriodicLattice();
       
	//通过给定要创建对象的类型，来创建对象
	CXJObject* CreateObject(EXJObjectType type);

	CXJObject* GetObjectByKey(int key);

	//undo/redo
	void StartCommand();
	void EndCommand();
	void AddUndoData(const BBox& bbox, 
		const std::vector<uint64_t>& idxList,
		const std::vector<double>& valList);

	//用于记录网格参数
	void AddMeshDataInfo(double isopStep, int markStep, double zMin, double zMax, double isoplethMin, double isoplethMax);
	void Undo();
	void Redo();
	void ClearUndoRedo();

	unsigned int GetUndoCurStep();
	unsigned int GetUndoCount();
private:
	CXJObjectManager();

	//创建基础对象
	CXJObject* CreateBaseObject(EXJObjectType type, bool istempObj = false);

	//产生一个唯一的int类型的数字
	int CreateOmKey();
private:
	//自身单例模式
	static CXJObjectManager* m_pInstance;

	//对象查询表
	std::map<int, CXJObject*> m_mapObjects;

	//点阵数据
	OMPeriodicLattice* m_periodicLattice;

	//undo、redo
	OMUndoRedo* m_pUndoRedo;
};

class  XJ_OM_EXPORT CXJObserver
{
public:
	CXJObserver(){};
	virtual~CXJObserver(void){};

public:
	//virtual int Update(int key, EXJObjectUpdateType updateType) = 0;
	void SetManageIndex(int managerIndex){m_managerIndex = managerIndex;}
	int GetManagerIndex() {return m_managerIndex;}

protected:
	int m_managerIndex;
	
};