mdboptestdlg.cpp

visual c++ 实例编程

// MdbOpTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MdbOpTest.h"
#include "MdbOpTestDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMdbOpTestDlg dialog

CMdbOpTestDlg::CMdbOpTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMdbOpTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMdbOpTestDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMdbOpTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMdbOpTestDlg)
	DDX_Control(pDX, IDC_LIST1, m_List);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMdbOpTestDlg, CDialog)
	//{{AFX_MSG_MAP(CMdbOpTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_TEST, OnTest)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMdbOpTestDlg message handlers

BOOL CMdbOpTestDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	m_List.SetTextColor(RGB(0,0,255));
	
	m_List.SetExtendedStyle(LVS_EX_FULLROWSELECT | 
				 LVS_EX_ONECLICKACTIVATE | 
				 LVS_EX_UNDERLINEHOT | 
				 LVS_EX_GRIDLINES);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CMdbOpTestDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMdbOpTestDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMdbOpTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMdbOpTestDlg::BuildColumns(int iSubItem, int iTotalItem, CString szItemText)
{
	CRect rect;
	m_List.GetWindowRect(&rect);
	int nWidth=rect.Width();
	LV_COLUMN lvCol;
	lvCol.mask = LVCF_FMT|LVCF_TEXT|LVCF_WIDTH|LVCF_SUBITEM;
	lvCol.fmt = LVCFMT_LEFT;
	lvCol.cx = nWidth/iTotalItem;
	lvCol.iSubItem = iSubItem;
	lvCol.pszText = szItemText.GetBuffer(255);	
	szItemText.ReleaseBuffer();
	m_List.InsertColumn(iSubItem, &lvCol);
}

BOOL CMdbOpTestDlg::InsertItem(int nIndex, CString szText)
{
	LV_ITEM		lvi;
	lvi.mask = LVIF_TEXT|LVIF_IMAGE|LVIF_STATE;
	lvi.stateMask = LVIS_STATEIMAGEMASK;
	lvi.state = INDEXTOSTATEIMAGEMASK(1);
	lvi.iSubItem = 0;
	lvi.iItem=nIndex;
	lvi.pszText = szText.GetBuffer(255);
	szText.ReleaseBuffer();
	if(m_List.InsertItem(&lvi) != -1)
		return TRUE;
	else 
		return FALSE;
}

void CMdbOpTestDlg::OnTest() 
{
	CMdbOperator mdbOp;
	if(mdbOp.DaoOpenMdb("NWIND.MDB"))
	{
		if(mdbOp.OpenRecordset("产品"))
		{
			int nFieldCount = mdbOp.GetFieldCount();
			for(int i=0; i < nFieldCount; i++)
			{
				BuildColumns(i, nFieldCount, mdbOp.GetFieldName(i));
			}
			int nCount = 0;			
			while( !mdbOp.IsEOF() )
			{
				if(InsertItem(nCount, mdbOp.GetFieldValue(mdbOp.GetFieldName(0))))
				{
					for(int i=1; i< nFieldCount; i++)
					{
						m_List.SetItemText(nCount,i,mdbOp.GetFieldValue(mdbOp.GetFieldName(i)));
					}
				}	
				nCount++;	
				mdbOp.MoveNext();
			}
		}
		mdbOp.DaoCloseMdb();
	}
}