dataset.cpp

简单的通信录

// DataSet.cpp : implementation file
//

#include "stdafx.h"
#include "Adress.h"
#include "DataSet.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDataSet

IMPLEMENT_DYNAMIC(CDataSet, CDaoRecordset)

CDataSet::CDataSet(CDaoDatabase* pdb)
	: CDaoRecordset(pdb)
{
	//{{AFX_FIELD_INIT(CDataSet)
	m_column1 = _T("");
	m_column2 = _T("");
	m_column3 = _T("");
	m_column4 = _T("");
	m_column5 = _T("");
	m_nFields = 5;
	//}}AFX_FIELD_INIT
	m_nDefaultType = dbOpenDynaset;
}


CString CDataSet::GetDefaultDBName()
{
//	return _T("C:\\Documents and Settings\\gao\\My Documents\\Adress list.mdb");

	CString strCfgFilePath = GetCfgFilePath();
	CFileFind flFind;
	CFile file;
	if(!flFind.FindFile(strCfgFilePath))
	{
		file.Open(strCfgFilePath,CFile::modeCreate);
		file.Close();
	}
	flFind.Close();
	file.Open(strCfgFilePath,CFile::modeReadWrite);
	m_pCfgInfo = new CFG_INFO;
	if((file.Read(m_pCfgInfo,sizeof(CFG_INFO))!=sizeof(CFG_INFO))
		||(strlen(m_pCfgInfo->szDaoFilePath)<=0)||
		(!flFind.FindFile(m_pCfgInfo->szDaoFilePath)))
	{
		file.Close();
		CString strFilter;
		strFilter.Format("Microsoft Access Database(*.mdb)|*.mdb|");
		CFileDialog flDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,strFilter);

		CString strTitle;
		strTitle.Format("选择数据库文件");
		flDlg.m_ofn.lpstrTitle = strTitle;

		if(flDlg.DoModal()==IDOK)
		{
			strcpy(m_pCfgInfo->szDaoFilePath,flDlg.GetPathName());
			m_pCfgInfo->crFontColr = 0;
			CFont* pFont = new CFont;
			CString strFont;
			strFont.Format("宋体");
			pFont->CreatePointFont(120,strFont);
			pFont->GetLogFont(&(m_pCfgInfo->lfViewFont));
			UpdateCfgInfo();
		}
		else
			exit(0);
	}
	return _T(m_pCfgInfo->szDaoFilePath);
}

CString CDataSet::GetDefaultSQL()
{
	return _T("[表1]");
}

void CDataSet::DoFieldExchange(CDaoFieldExchange* pFX)
{
	//{{AFX_FIELD_MAP(CDataSet)
	pFX->SetFieldType(CDaoFieldExchange::outputColumn);
	DFX_Text(pFX, _T("[姓名]"), m_column1);
	DFX_Text(pFX, _T("[性别]"), m_column2);
	DFX_Text(pFX, _T("[地址]"), m_column3);
	DFX_Text(pFX, _T("[电话]"), m_column4);
	DFX_Text(pFX, _T("[备注]"), m_column5);
	//}}AFX_FIELD_MAP
}

/////////////////////////////////////////////////////////////////////////////
// CDataSet diagnostics

#ifdef _DEBUG
void CDataSet::AssertValid() const
{
	CDaoRecordset::AssertValid();
}

void CDataSet::Dump(CDumpContext& dc) const
{
	CDaoRecordset::Dump(dc);
}
#endif //_DEBUG

//建立配置文件
CString CDataSet::GetCfgFilePath()
{
	CString strAppPath;
	GetModuleFileName(NULL,strAppPath.GetBuffer(MAX_PATH),MAX_PATH);
	strAppPath.ReleaseBuffer();
	strAppPath.TrimRight();
	
	int n = strAppPath.ReverseFind('\\');
	int length = strAppPath.GetLength();
	
	CString strAppDir = strAppPath.Left(n+1);

	CString strAppName;
	strAppName = AfxGetAppName();

	CString strCfgFileExtName;
	strCfgFileExtName.Format("cfg");

	CString strCfgFilePath;
	strCfgFilePath = strAppDir+strAppName+"."+strCfgFileExtName;

	return strCfgFilePath;
}

void CDataSet::UpdateCfgInfo()
{
	CString strCfgFilePath = GetCfgFilePath();
	CFile file;
	file.Open(strCfgFilePath,CFile::modeWrite);
	file.SeekToBegin();
	file.Write(m_pCfgInfo,sizeof(CFG_INFO));
	file.Close();
}