/********************************************************************

Copyright 2006-2008 ZHANG Luduo. All Rights Reserved.

Permission to use, copy, modify, distribute and sell this software
and its documentation for any purpose is hereby granted without fee,
provided that the above copyright notice appear in all copies and
that both that copyright notice and this permission notice appear
in supporting documentation.

********************************************************************/

/*

代碼說明 : 

	打開, 保存, 目錄瀏覽對話框之調用

聯系方式:

	作者  - 張魯奪
	MSN   - zhangluduo@msn.com
	Email - zhangluduo@163.com
	QQ群  - 34064264, 56918155

為所有愛我的人和我愛的人努力!

*/

#ifndef _FILEDLG_H
#define _FILEDLG_H

#pragma warning(disable : 4786)
#include <vector>
#include <string>
#include <functional>
#include <algorithm>
using namespace std;

#include "Thunk.h"

#define _FILEDLG_BUFSIZE 524288 // 1024 * 1024 / 2 = 524288, 此值在有些情況下必須小于1M!

class FileDlg
{
private:

	Thunk	m_ThunkOpen;

	Thunk	m_ThunkSave;
	
	Thunk	m_ThunkBrowse;

	string	m_InitDir;

	char*	m_OpenNameBuf;
	
	char*	m_SaveNameBuf;
	
	char*	m_BrowseNameBuf;

protected:

	virtual UINT_PTR OpenProc	(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
	
	virtual UINT_PTR SaveProc	(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
	
	virtual int		 BrowseProc	(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData);

public:

	// 此結構體為win2000以上操作系統定制
	typedef struct tagOFNEX : public OPENFILENAME
	{
		void*			pvReserved;
		DWORD			dwReserved;
		DWORD			FlagsEx;
	}	OPENFILENAMEEX,	*POPENFILENAMEEX;

	OPENFILENAMEEX	m_OFNOpen;

	OPENFILENAMEEX	m_OFNSave;

	BROWSEINFO		m_BIFBrowse;

	FileDlg();

	virtual ~FileDlg();

	vector<string>	GetOpenFileName(HWND hWnd, bool bMulti = false, char* szFilter = NULL, char* szInitName = "\0");

	string			GetSaveFileName(HWND hWnd, bool AutoAddSuffixName = true, char* szFilter = NULL, char* szInitName = "\0");

	string			GetBrowseForFolder(HWND hWnd, char* szInitPath = "\0");
};

#endif