dblistview.h

ADO查看数据库工具的原码

#if !defined(AFX_DBFILELISTVIEW_H__41107A71_C9D4_4A71_8046_B76887C69DBD__INCLUDED_)
#define AFX_DBFILELISTVIEW_H__41107A71_C9D4_4A71_8046_B76887C69DBD__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// DBFileListView.h : header file
//
#include "..\DBFILE\DBFileExt.h"
#include "DHListBind.h"
/////////////////////////////////////////////////////////////////////////////
// CDBListView view
#define RECORD_BEGIN_TIME		clock_t time1,time2;\
								double time = 0;\
								time1 = clock();
#define RECORD_END_TIME		time2 = clock();\
							time = (double)(time2 - time1) / CLOCKS_PER_SEC;
#define LOG_PAST_TIME(string)		TRACE("%s:%f seconds\n",string,time);\
									time1 = time2;	

//排序字符串和在文件中的偏移量
//排序字符串和在文件中的偏移量
typedef struct 
{
	char	strSort[256];
	int		nOldIndex;
}TagPosInFile;

class CDBListView : public CListView
{
protected:
	CDBListView();           // protected constructor used by dynamic creation
	DECLARE_DYNCREATE(CDBListView)

// Attributes
public:
	// Implementation
public:
	BOOL ReflashList(CString strCmd ="");
	//得到每一项的列数
	int GetColNum();
	//得到当前共有多少项
	int GetSizeList();
	//外部中断标志设置
	void SetBreakFlag(BOOL bFlag);
	//文件的状态是否被打开
	BOOL IsFileOpen();
	//设置一页的大小
	void SetPageSize(int nPageSize);
	//得到当前显示的页码
	int GetCurPage();
	//得到总页数
	int GetTotalPage();
	//得到一页的项目数
	int GetPageSize();
	//显示前一页
	int DisplayPrevPage();
	//显示下一页
	int DisplayNextPage();
	//显示第一页
	int DisplayFirstPage();

	void SetFileName(char *fn){ m_fileSource.SetFilePath(fn);}

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CDBListView)
	protected:
	virtual void OnDraw(CDC* pDC);      // overridden to draw this view
	virtual void OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint);
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	//}}AFX_VIRTUAL

// Implementation
protected:
	virtual ~CDBListView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	//按第nCol列设置排序数组
	void SetArraySort(int nCol);
	//初始化排序数组
	void InitArraySort();
	//关闭文件
	int CloseFile();
	//打开文件
	int OpenFile();
	//重新设置属性
	void Reset();
	//在末尾插入一列,item字符以串"|"断开
	int AddItem(char* item,int line,int pos);
	//定义表头,item字符串以"|"断开
	int AddHead(char* item);
	//显示当前页,如果中断返回FALSE
	BOOL DisplayCurPage();
	//{{AFX_MSG(CListSortExt)
	//}}AFX_MSG
	// Generated message map functions
protected:
	//{{AFX_MSG(CDBListView)
	afx_msg void OnColumnclick(NMHDR* pNMHDR, LRESULT* pResult);
	afx_msg void OnShowNextPage();
	afx_msg void OnShowPrevPage();
	afx_msg void OnTableOpenFile();
	afx_msg void OnTableOpenSave();
	afx_msg void OnShowStartPage();
	afx_msg void OnShowEndPage();
	//}}AFX_MSG

	//被显示的源文件
	CDBFileExt m_fileSource;
	//文件状态
	BOOL	m_bIsFileOpen;
	//顺序,0为反排序,1为正排序
	BOOL	m_flagOrder;
	//共有项目数
	int		m_sizeList;
	//每一项的列数
	int		m_sizeCol;
	//每页的大小
	int		m_sizePage;
	//共有页数
	int		m_totalPage;
	//当前页码
	int		m_pageNum;
	//排序数组
	TagPosInFile* m_arraySort;
	//上一次的列号
	int		m_lastCol;
	//记录曾经点击过的序号
	int		*m_pRecord;
	//是否被外部中断(文件形成过程中中断,TRUE不可用,FALSE可用)
	CDHListBind m_ListBind;
	BOOL m_bBreakFlag;
	bool m_bOpenFile;
	CString m_strFileName;
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DBFILELISTVIEW_H__41107A71_C9D4_4A71_8046_B76887C69DBD__INCLUDED_)