dataset.cpp

金山词霸界面的数据库管

// DataSet.cpp : implementation file
//

#include "stdafx.h"
#include "Abc.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_nFields = 2;
	//}}AFX_FIELD_INIT
	m_nDefaultType = dbOpenDynaset;
}


CString CDataSet::GetDefaultDBName()
{
	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.LoadString(IDS_OPEN_FILEFILTER);
		
		CFileDialog flDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,strFilter);
		CString strTitle;
		strTitle.LoadString(IDS_OPEN_FILEDIALOG_TITLE);
		flDlg.m_ofn.lpstrTitle=strTitle;
		
		if(flDlg.DoModal()==IDOK)
		{
			strcpy(m_pCfgInfo->szDaoFilePath,flDlg.GetPathName());
			m_pCfgInfo->crFontColor=0;
			CFont *pFont=new CFont;
	        CString strFont;
			strFont.LoadString(IDS_DEFAULT_FONT);
			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("[英文单词]"), m_column1);
	DFX_Text(pFX, _T("[释义]"), m_column2);
	//}}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.LoadString(IDS_CFGFILEEXTNAME);
	
	CString 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();
}