tab4.h

Tab4.rarC语言的实习作业：管理系统

#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_)