inputimagedlg.cpp

可实现图文数据录入

// InputImageDlg.cpp : implementation file
//

#include "stdafx.h"
#include "InputImage.h"
#include "InputImageDlg.h"

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

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

extern _ConnectionPtr m_Pcon;
extern _RecordsetPtr m_Precord;
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()

/////////////////////////////////////////////////////////////////////////////
// CInputImageDlg dialog

CInputImageDlg::CInputImageDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CInputImageDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CInputImageDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	c_filename = "";
}

void CInputImageDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CInputImageDlg)
	DDX_Control(pDX, IDC_SEX, m_sex);
	DDX_Control(pDX, IDC_SAVE, m_save);
	DDX_Control(pDX, IDC_PICTURE, m_picture);
	DDX_Control(pDX, IDC_KNOWLEDGE, m_knowledge);
	DDX_Control(pDX, IDC_EXIT, m_exit);
	DDX_Control(pDX, IDC_EMPLOYEENAME, m_name);
	DDX_Control(pDX, IDC_EMPLOYEEID, m_ID);
	DDX_Control(pDX, IDC_CANCEL, m_cancel);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CInputImageDlg, CDialog)
	//{{AFX_MSG_MAP(CInputImageDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	ON_BN_CLICKED(IDC_BROWN, OnBrown)
	ON_BN_CLICKED(IDC_CANCEL, OnClear)
	ON_BN_CLICKED(IDC_SAVE, OnSave)
	ON_CBN_EDITCHANGE(IDC_SEX, OnEditchangeSex)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CInputImageDlg message handlers

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


	// 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);
		}
	}

	SetIcon(m_hIcon, TRUE);	
	SetIcon(m_hIcon, FALSE);




	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CInputImageDlg::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 CInputImageDlg::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 CInputImageDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CInputImageDlg::OnOK() 
{
	
//	CDialog::OnOK();
}

void CInputImageDlg::OnExit() 
{
	CDialog::OnCancel();	
}

BOOL CInputImageDlg::PreTranslateMessage(MSG* pMsg) 
{
	if (pMsg->message==WM_KEYDOWN)
		if (pMsg->wParam == 13)
			if (pMsg->hwnd != m_save.m_hWnd && pMsg->hwnd != m_cancel.m_hWnd && pMsg->hwnd != m_exit.m_hWnd)
				pMsg->wParam=9;
	return CDialog::PreTranslateMessage(pMsg);
}


//从磁盘中加载位图
void CInputImageDlg::OnBrown() 
{
	CFileDialog m_dialog (true,"bmp",NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"位图文件(*.bmp)|*.bmp",this);
	if (m_dialog.DoModal()==IDOK)
	{
		CString str;
		str = m_dialog.GetPathName();
		c_filename = str;
		HBITMAP m_hBitmap;
		m_hBitmap=(HBITMAP)::LoadImage(AfxGetInstanceHandle(),str,IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_DEFAULTCOLOR|LR_DEFAULTSIZE);
		if (m_hBitmap != NULL)
		{
			m_picture.SetBitmap(m_hBitmap);
		}
	}
}


void CInputImageDlg::OnCancel() 
{
	CDialog::OnCancel();
}	
//
void CInputImageDlg::OnClear()
{
	m_ID.SetWindowText("");
	m_knowledge.SetWindowText("");
	m_name.SetWindowText("");
	m_sex.SetCurSel(-1);
	m_picture.SetBitmap(NULL);
}

BOOL CInputImageDlg::EmployeeInfoIsNull()
{
	CString c_id,c_name,c_sex,c_knowledge;
	m_ID.GetWindowText(c_id);
	m_name.GetWindowText(c_name);
	m_sex.GetWindowText(c_sex);
	m_knowledge.GetWindowText(c_knowledge);

	if (c_id.IsEmpty()||c_name.IsEmpty()||c_sex.IsEmpty()||c_knowledge.IsEmpty())
		return TRUE;
	return FALSE;
}

void CInputImageDlg::OnSave() 
{
	if (EmployeeInfoIsNull())
	{
		MessageBox("基础信息不能为空.","提示");
		return;
	}
	HBITMAP m_hbitmap;
	m_hbitmap = m_picture.GetBitmap();
	if (m_hbitmap == NULL)
	{
		MessageBox("请从磁盘中加载图片信息.","提示");
		return;
	}

	m_Precord->Open("select * from tb_employeeinfo",m_Pcon.GetInterfacePtr(),adOpenKeyset,adLockOptimistic,adCmdText);
			
	try
	{
		m_Precord->AddNew();//添加新行

		CString c_id,c_name,c_sex,c_knowledge;
		VARIANT	 m_bitdata;

		m_ID.GetWindowText(c_id);
		m_name.GetWindowText(c_name);
		m_sex.GetWindowText(c_sex);
		m_knowledge.GetWindowText(c_knowledge);	

		CFile m_file (c_filename,CFile::modeRead);
		DWORD m_filelen = m_file.GetLength()+1;
		 	
		char * m_bitbuffer = (char*)LocalAlloc(LMEM_FIXED,m_filelen);

		m_file.ReadHuge(m_bitbuffer,m_filelen);

		m_file.Close();
		m_bitdata.vt= VT_ARRAY|VT_UI1;
		
		SAFEARRAY * m_psafe;
		SAFEARRAYBOUND m_band;

		m_band.cElements = m_filelen;
		m_band.lLbound = 0;

		m_psafe = SafeArrayCreate(VT_UI1,1,&m_band);

		for(long i=0; i < m_filelen ; i++)
		{
			SafeArrayPutElement(m_psafe,&i,m_bitbuffer++);
		}	

		LocalFree(m_bitbuffer);

		m_bitdata.parray = m_psafe;
			
		m_Precord->GetFields()->GetItem("Imployeeid")->Value = (_bstr_t)c_id;
		m_Precord->GetFields()->GetItem("Imployeename")->Value = (_bstr_t)c_name;
		m_Precord->GetFields()->GetItem("sex")->Value = (_bstr_t)c_sex;
		m_Precord->GetFields()->GetItem("knowledge")->Value = (_bstr_t)c_knowledge;
		m_Precord->GetFields()->GetItem("picture")->AppendChunk(&m_bitdata);

		m_Precord->Update();
	}
	catch(...)
	{
		MessageBox("操作失败");
		return;
	}
	MessageBox("操作成功.");

	OnClear();
}

void CInputImageDlg::OnEditchangeSex() 
{
	// TODO: Add your control notification handler code here
	
}