daodoc.cpp

Visual C++下的界面设计

// DaoDoc.cpp : implementation of the CMSDIDaoDoc class
//

#include "stdafx.h"
#include "MSDIApp.h"
#include "MSDIDao.h"

#include "DaoBmp.h"
#include "DaoSet.h"
#include "CategSet.h"
#include "CustSet.h"

#include "DaoDoc.h"

#include "TblView.h"
#include "CategTbl.h"
#include "CustTbl.h"

#include "CategVw.h"

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

/////////////////////////////////////////////////////////////////////////////
// helpers

static BOOL FileExist(LPCSTR lpszFileName)
{
  OFSTRUCT OpenBuffer;
  OpenFile(lpszFileName, &OpenBuffer, OF_EXIST);
  return (OpenBuffer.nErrCode == 0x0000) ? TRUE: FALSE;
}

int DaoMessageBox(CDaoException* e, UINT nType, UINT nIDHelp)
{
  return AfxMessageBox(e->m_pErrorInfo->m_strDescription, nType|MB_ICONEXCLAMATION, nIDHelp);
}

/////////////////////////////////////////////////////////////////////////////
// CMSDIDaoDoc

IMPLEMENT_DYNCREATE(CMSDIDaoDoc, CDocument)

BEGIN_MESSAGE_MAP(CMSDIDaoDoc, CDocument)
	//{{AFX_MSG_MAP(CMSDIDaoDoc)
	ON_UPDATE_COMMAND_UI(ID_FILE_SAVE, OnUpdateFileSave)
	ON_COMMAND(ID_TABLE_CATEG, OnTableCategories)
	ON_COMMAND(ID_TABLE_CUSTOM, OnTableCustomers)
	ON_COMMAND(ID_FORM_CATEG, OnFormCateg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMSDIDaoDoc construction/destruction

CMSDIDaoDoc::CMSDIDaoDoc()
{
	m_pCategoriesSet = NULL;
	m_pCustomersSet = NULL;
	// ... ADDALL
}

CMSDIDaoDoc::~CMSDIDaoDoc()
{
}

BOOL CMSDIDaoDoc::OnNewDocument()
{
	ASSERT(!m_db.IsOpen());

	if (!CDocument::OnNewDocument())
		return FALSE;

	// MSDIDAO: prompt for a file name to create a new document
	return DoSave(NULL);
}

void CMSDIDaoDoc::OnCloseDocument() 
{
	// database is closed in the DeleteContents
	CDocument::OnCloseDocument();
}

BOOL CMSDIDaoDoc::OnOpenDocument(LPCTSTR lpszPathName) 
{
	// MSDIDAO: OnOpenNewDocument()
	try
	{
		m_db.Open(lpszPathName);
	}
	catch (CDaoException* e)
	{
		DaoMessageBox(e);
		e->Delete();
		return FALSE;
	}
	DeleteContents();
	SetModifiedFlag(FALSE); // start with unmodified
	return TRUE;
}

BOOL CMSDIDaoDoc::OnSaveDocument(LPCTSTR lpszPathName) 
{
	// MSDIDAO: OnSaveDocument()
	CString strPathName = GetPathName();

	// if pathname is empty, create