celledit.cpp

ADO数据库编程

// CellEdit.cpp : implementation file
//

#include "stdafx.h"
#include "CellEdit.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCellEdit

CCellEdit::CCellEdit(CWnd* pParent, CRect& rect, UINT nID, int nRow, int nColumn, CString strText, bool bEditable)
{
	m_strText = strText;
	m_nRow = nRow;
	m_nColumn = nColumn;
	m_bEditable = bEditable;

    DWORD dwEditStyle = WS_BORDER|WS_CHILD|WS_VISIBLE| ES_AUTOHSCROLL 
        | ES_LEFT;
    if (!Create(dwEditStyle, rect, pParent, nID))
		return;

    SetFont(pParent->GetFont());
    SetWindowText(strText);
    SetFocus();
}

CCellEdit::~CCellEdit()
{
}


BEGIN_MESSAGE_MAP(CCellEdit, CEdit)
	//{{AFX_MSG_MAP(CCellEdit)
	ON_WM_KILLFOCUS()
	ON_WM_CHAR()
	ON_WM_GETDLGCODE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCellEdit message handlers

void CCellEdit::CloseEdit()
{
    CString str;
    GetWindowText(str);

	NMHDR32 hdr32;
    hdr32.hwndFrom = GetSafeHwnd();
    hdr32.idFrom   = GetDlgCtrlID();
    hdr32.code     = GVN_ENDLABELEDIT;
    
    hdr32.nRow     = m_nRow;
    hdr32.nCol     = m_nColumn;
    hdr32.strText  = str;

    CWnd* pOwner = GetOwner();
    if (pOwner && m_bEditable)
        pOwner->SendMessage(WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&hdr32);
    
    // Close this window (PostNcDestroy will delete this)
    PostMessage(WM_CLOSE, 0, 0);
}

void CCellEdit::OnKillFocus(CWnd* pNewWnd) 
{
	CEdit::OnKillFocus(pNewWnd);
	
	// TODO: Add your message handler code here
	CloseEdit();
}

void CCellEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default
    if (nChar == VK_TAB || nChar == VK_RETURN)
    {
        GetParent()->SetFocus();    // This will destroy this window
        return;
    }
    if (nChar == VK_ESCAPE) 
    {
        m_bEditable = false;
        GetParent()->SetFocus();
        return;
    }
	CEdit::OnChar(nChar, nRepCnt, nFlags);
}

void CCellEdit::PostNcDestroy() 
{
	// TODO: Add your specialized code here and/or call the base class
	CEdit::PostNcDestroy();
    
    delete this;	
}

BOOL CCellEdit::PreTranslateMessage(MSG* pMsg) 
{
	// TODO: Add your specialized code here and/or call the base class
    if (pMsg->message == WM_SYSCHAR)
        return TRUE;
	
	return CEdit::PreTranslateMessage(pMsg);
}

UINT CCellEdit::OnGetDlgCode() 
{//重载该函数可强制窗口(CWin)接收所有键盘信息
	return DLGC_WANTALLKEYS;
}