www.pudn.com > ListCtrl功能扩展.rar > InPlaceEdit.cpp

/******************************************************************************* 
	Author						: Aravindan Premkumar 
	Unregistered Copyright 2003	: Aravindan Premkumar 
	All Rights Reserved 
	 
	This piece of code does not have any registered copyright and is free to be  
	used as necessary. The user is free to modify as per the requirements. As a 
	fellow developer, all that I expect and request for is to be given the  
	credit for intially developing this reusable code by not removing my name as  
	the author. 
*******************************************************************************/ 
 
#include "stdafx.h" 
#include "InPlaceEdit.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
#define CTRL_C	0x3 
#define CTRL_V	0x16 
#define CTRL_X	0x18 
 
///////////////////////////////////////////////////////////////////////////// 
// CInPlaceEdit 
 
CInPlaceEdit* CInPlaceEdit::m_pInPlaceEdit = NULL;   
 
CInPlaceEdit::CInPlaceEdit() 
{ 
	m_iRowIndex= -1; 
	m_iColumnIndex = -1; 
	m_bESC = FALSE; 
	m_strValidChars.Empty(); 
} 
 
CInPlaceEdit::~CInPlaceEdit() 
{ 
} 
 
BEGIN_MESSAGE_MAP(CInPlaceEdit, CEdit) 
	//{{AFX_MSG_MAP(CInPlaceEdit) 
	ON_WM_KILLFOCUS() 
	ON_WM_CHAR()	 
	ON_WM_CREATE() 
	//}}AFX_MSG_MAP 
//	ON_MESSAGE(WM_PASTE, OnPaste) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CInPlaceEdit message handlers 
/* 
void CInPlaceEdit::OnPaste(WPARAM , LPARAM ) 
{ 
	if (m_strValidChars.IsEmpty()) 
	{ 
		return;	 
	} 
 
    CString strFromClipboard; 
 
	// get the text from clipboard 
	if(OpenClipboard()) { 
		HANDLE l_hData = GetClipboardData(CF_TEXT); 
		if(NULL == l_hData) { 
			return; 
		} 
		 
		char *l_pBuffer = (char*)GlobalLock(l_hData); 
		if(NULL != l_pBuffer) { 
			strFromClipboard = l_pBuffer; 
		} 
 
		GlobalUnlock(l_hData); 
		CloseClipboard(); 
	} 
 
	// Validate the characters before pasting  
	for(int iCounter_ = 0; iCounter_ < strFromClipboard.GetLength(); iCounter_++) 
	{ 
		if (-1 == m_strValidChars.Find(strFromClipboard.GetAt(iCounter_))) 
		{ 
			return; 
		} 
	} 
		 
	//let the individual control handle other processing 
	CEdit::Default();	 
} 
*/ 
 
void CInPlaceEdit::OnKillFocus(CWnd* pNewWnd)  
{ 
	CEdit::OnKillFocus(pNewWnd); 
	 
	// TODO: Add your message handler code here 
 
	// Get the text in the edit ctrl 
	CString strEdit; 
	GetWindowText(strEdit); 
 
	// Send Notification to parent of edit ctrl 
	LV_DISPINFO dispinfo; 
	dispinfo.hdr.hwndFrom = GetParent()->m_hWnd; 
	dispinfo.hdr.idFrom = GetDlgCtrlID(); 
	dispinfo.hdr.code = LVN_ENDLABELEDIT; 
 
	dispinfo.item.mask = LVIF_TEXT; 
	dispinfo.item.iItem = m_iRowIndex; 
	dispinfo.item.iSubItem = m_iColumnIndex; 
	dispinfo.item.pszText = m_bESC ? LPTSTR((LPCTSTR)m_strWindowText) : LPTSTR((LPCTSTR)strEdit); 
	dispinfo.item.cchTextMax = m_bESC ? m_strWindowText.GetLength() : strEdit.GetLength(); 
	 
	GetParent()->SendMessage(WM_NOTIFY, GetParent()->GetDlgCtrlID(), (LPARAM)&dispinfo); 
 
	PostMessage(WM_CLOSE); 
} 
 
void CInPlaceEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)  
{ 
	// TODO: Add your message handler code here and/or call default 
 
 	if ((m_strValidChars.IsEmpty()) || ((-1 != m_strValidChars.Find(static_cast (nChar))) ||  
		(nChar == VK_BACK) || (nChar == CTRL_C) || (nChar == CTRL_V) || (nChar == CTRL_X))) 
	{ 
		CEdit::OnChar(nChar, nRepCnt, nFlags); 
	} 
	else 
	{ 
		MessageBeep(MB_ICONEXCLAMATION); 
		return; 
	} 
} 
 
BOOL CInPlaceEdit::PreTranslateMessage(MSG* pMsg)  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	if (WM_KEYDOWN == pMsg->message && (VK_ESCAPE == pMsg->wParam || VK_RETURN == pMsg->wParam)) 
	{ 
		if (VK_ESCAPE == pMsg->wParam) 
		{ 
			m_bESC = TRUE; 
		} 
 
		GetParent()->SetFocus(); 
		return TRUE; 
	} 
 
	return CEdit::PreTranslateMessage(pMsg); 
} 
 
int CInPlaceEdit::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CEdit::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	// TODO: Add your specialized creation code here 
	// Set the proper font 
	CFont* pFont = GetParent()->GetFont(); 
	SetFont(pFont); 
 
	ShowWindow(SW_SHOW); 
	SetWindowText(m_strWindowText); 
	SetSel(0, -1); 
	SetFocus(); 
	 
	   
	return 0; 
} 
 
CInPlaceEdit* CInPlaceEdit::GetInstance() 
{ 
	if(m_pInPlaceEdit == NULL) 
	{ 
		m_pInPlaceEdit = new CInPlaceEdit; 
	} 
	return m_pInPlaceEdit; 
} 
 
void CInPlaceEdit::DeleteInstance() 
{ 
	delete m_pInPlaceEdit; 
	m_pInPlaceEdit = NULL; 
} 
 
BOOL CInPlaceEdit::ShowEditCtrl(DWORD dwStyle, const RECT &rCellRect, CWnd* pParentWnd,  
								UINT uiResourceID, int iRowIndex, int iColumnIndex, 
								CString& strValidChars, CString& rstrCurSelection) 
{ 
	m_iRowIndex = iRowIndex; 
	m_iColumnIndex = iColumnIndex; 
	m_strValidChars = strValidChars; 
	m_strWindowText = rstrCurSelection; 
	m_bESC = FALSE; 
 
	if (NULL == m_pInPlaceEdit->m_hWnd)  
	{ 
		return m_pInPlaceEdit->Create(dwStyle, rCellRect, pParentWnd, uiResourceID);  
	}	 
 
	return TRUE; 
}