www.pudn.com > OSDemo.rar > Tab4.h

#if !defined(AFX_TAB4_H__4FF42A0D_E850_4414_A03D_A7A76DEBB577__INCLUDED_) 
#define AFX_TAB4_H__4FF42A0D_E850_4414_A03D_A7A76DEBB577__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
// Tab4.h : header file 
// 
#define MAXFILE 20   //每个用户最多保存20个文件 
#define MAXUSER 10   //假想文件系统最多支持的人数 
#define BLOCKSIZE 32 //虚拟磁盘中物理块为每块32字节 
#define DISKSIZE BLOCKSIZE*1000  //虚拟磁盘容量为1000*32=32K VDISK.DAT=sizeof(FAT)+32K 
#include "DlgNewFile.h" 
#include "PieChartCtrl.h" 
#include "BalloonTip.h" 
///////////////////////////////////////////////////////////////////////////// 
// CTab4 dialog 
 
struct UFD 
{ 
	char FileName[15]; 
	char Time[16];      //文件建立或修改时间 
	bool IsExist;      //文件是否存在，删除时标为0 
	bool IsShared;      //共享标记，共享文件可被其它用户所访问 
	bool AttrRead;      //文件是否可读 
	bool AttrWrite;     //文件是否可写 
	bool AttrExecute;   //文件是否可执行 
	HTREEITEM treeNode; //用于树控件显示的结点句柄 
	USHORT FileLen;     //文件占用字节数 
	USHORT BlockNum;   //文件占用的物理块数 
	USHORT FileLink[100];//文件物理块地址数组，每块32字节，限定一个文件最大100*32=3200字节 
}; 
struct MFD 
{ 
	char UserName[10];  //主目录用户名 
	bool IsExist;      //该用户否存在 
	UFD ufd[MAXFILE];   //用户文件数组   
	USHORT nItem;//UFD个数 
}; 
struct HEADBLOCK 
{ 
	BYTE pStack;    //堆栈指针 
	SHORT pBlock[10]; //块号   pBlock[10]是下一个盘块号逻辑地址 
}; 
struct BLOCK          //虚拟磁盘的物理块数据结构 
{ 
   union{ 
    	   BYTE block[32]; 
	       HEADBLOCK HeadInfo; 
		}; 
}; 
struct FAT 
{ 
	BLOCK  SuperBlock;     //超级块，指示第一个空闲块逻辑号 
	USHORT MaxOpen;       //该用户同时可打开的最大文件数 
	USHORT UserNum;       //最户数 
	MFD    Mfd[MAXUSER];  //最多可支持10个用户 
}; 
//空闲块成组链接法 
 
 
 
 
class CTab4 : public CDialog 
{ 
// Construction 
public: 
	void ShowBallTip(CPoint pt, CString msg); 
	void ShowBlock(int fileid); 
	bool ModifyFile(CString FileName, CString FileContent, bool AttrRead, bool AttrWrite, bool AttrExecute, bool AttrShare); 
	int SelectPos; 
	bool OpenList[MAXUSER][MAXFILE]; 
	CString SelectedFileName; 
	CString ReadFile(CString FileName); 
	bool CreateNewFile(CString FileName, CString FileContent, bool AttrRead, bool AttrWrite, bool AttrExecute,bool AttrShare); 
	CString GetCurrentTime(); 
	bool KillFile(CString FileName); 
	void ShowUserFiles(); 
	//bool WriteBlock(int id,BYTE *buffer); 
	 
	 
	//bool ReadBlock(int id,BYTE* buffer); 
	//bool FreeBlock(USHORT BlockID); 
	//USHORT AllocBlock(); 
	 
	void SetupImages(CImageList* mImageList, int iSize); 
	void AddListFile(CString FName,CString FileOwn,CString FSize,CString Date,CString State,CString Attr); 
	CTab4(CWnd* pParent = NULL);   // standard constructor 
    CImageList* TreeImageList; 
	CImageList* m_pImageList; 
	CImageList* m_pImageListL; 
	 
// Dialog Data 
	//{{AFX_DATA(CTab4) 
	enum { IDD = IDD_TAB4 }; 
	CButton	m_LoginBtn; 
	CTreeCtrl	m_FileTree; 
	CListCtrl	m_FileList; 
	CString	m_FileContent; 
	//}}AFX_DATA 
 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CTab4) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	CBalloonTip* m_pBalloonTip; 
    CImageList m_cImageListNormal; 
	CBrush m_bluebrush; 
	COLORREF m_bluecolor,m_textcolor; 
	// Generated message map functions 
	//{{AFX_MSG(CTab4) 
	virtual BOOL OnInitDialog(); 
	afx_msg void OnBtnLogin(); 
	afx_msg void OnBtnAdd(); 
	afx_msg void OnBtnModify(); 
	afx_msg void OnBtnUser(); 
	afx_msg void OnBtnDelete(); 
	afx_msg void OnBtnDisk(); 
	afx_msg void OnBtnClose(); 
	afx_msg void OnBtnOpen(); 
	afx_msg void OnClickFilelist(NMHDR* pNMHDR, LRESULT* pResult); 
	afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
private: 
 
 
	bool AddFile(CString Path, CString FName, int FSize,CString Attr); 
	void InitFileTree(); 
	void InitFileList(); 
	UINT ItemCount; 
}; 
 
//{{AFX_INSERT_LOCATION}} 
// Microsoft Visual C++ will insert additional declarations immediately before the previous line. 
 
#endif // !defined(AFX_TAB4_H__4FF42A0D_E850_4414_A03D_A7A76DEBB577__INCLUDED_)