#ifndef SYNCHTODODB_H_
#define SYNCHTODODB_H_
#include "ToDo.h"
#include "ToDoList.h"
class CSynchToDoDb : public CBase
	{
public:
	static CSynchToDoDb* NewLC( TDesC& aFileName );
	static CSynchToDoDb* NewL( TDesC& aFileName );
	~CSynchToDoDb();
	
public:
	TInt Count() const;
	void AddToDoL( CToDo* aToDo );
	void InsertL( TInt aIndex, CToDo* aToDo );
	void ModifyL( CToDo* aToDo, TInt aIndex );
	void RemoveToDo( TInt aIndex );
	TInt Find( TDesC& aTitle ) const;
	const CArrayPtr<CToDo>* ToDoList() const;
	CToDo* At( TInt aIndex );
	CToDo* operator[](TInt aIndex );
	const CToDo* operator[](TInt aIndex ) const;
	void Reset();
	
	void SaveL();
	void RestoreL();
	// used in network transport 
	void SaveL( TDesC8& aData);
	HBufC8* DataLC();
	void Print() const;
	
protected:
	CSynchToDoDb(){};
	void ConstructL(const TDesC& aFileName);
	
protected:
	CToDoList* iToDoList;// iToDoList 相當于用CArray創建的那個iArray，實現方式是一樣的
	RFs        iFs;
	HBufC*     iFileName;
	};
#endif /*SYNCHTODODB_H_*/