InPlaceEdit.cpp

#include "StdAfx.h"
#include "InPlaceEdit.h" 

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

// Construction
CInPlaceEdit::CInPlaceEdit(int iItem, int iSubItem, CString sInitText, DWORD dwWM_APP_LISTCTRL_IPEDIT ):m_sInitText( sInitText )
{	
    m_iItem    = iItem;
    m_iSubItem = iSubItem;
    m_dwWM_APP_LISTCTRL_IPEDIT = dwWM_APP_LISTCTRL_IPEDIT;	
    m_bESC     = FALSE;
} 

CInPlaceEdit::~CInPlaceEdit(){}  

BEGIN_MESSAGE_MAP(CInPlaceEdit, CEdit)
	//{{AFX_MSG_MAP(CInPlaceEdit)	
	ON_WM_KILLFOCUS()	
	ON_WM_NCDESTROY()	
	ON_WM_CHAR()	
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP() 
	
//CInPlaceEdit message handlers

// Translate window messages before they are dispatched to the TranslateMessage and DispatchMessage Windows functions.
BOOL
CInPlaceEdit::PreTranslateMessage ( MSG *pMsg )
{	
	  if ( pMsg->message == WM_KEYDOWN )	
	  {
		  if ( pMsg->wParam == VK_RETURN ||
           pMsg->wParam == VK_DELETE ||
           pMsg->wParam == VK_ESCAPE ||
           GetKeyState(VK_CONTROL)      )
		  {			
			  ::TranslateMessage(pMsg);			
		  	::DispatchMessage(pMsg);			
		  	return TRUE;		    	
		  	// DO NOT process further		
		  }
  	} 	
    return CEdit::PreTranslateMessage(pMsg);
} 
	
// Called immediately before losing the input focus
void
CInPlaceEdit::OnKillFocus ( CWnd *pNewWnd )
{	
    CEdit::OnKillFocus(pNewWnd); 
    CString str;	
    GetWindowText(str); 				
    DestroyWindow();
}

// Called when nonclient area is being destroyed
void
CInPlaceEdit::OnNcDestroy()
{	
    CEdit::OnNcDestroy();
    delete this;
}  

// Called for nonsystem character keystrokes
void
CInPlaceEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
    // Abandon editing
    // NOTES: Changes still locked in this instance, no need
    //        to reset	
    if ( nChar == VK_ESCAPE /*|| nChar == VK_RETURN*/ )
    {		
      if ( nChar == VK_ESCAPE )
        m_bESC = TRUE;
      GetParent()->SetFocus();		
      return;	
    }

    // Termination of field edit
    // NOTES: Perform single complete notification at end of edit
    //      : Build and send LV_DISPINFO structure
    if ( nChar == VK_RETURN )
    {
	    CString str; GetWindowText ( str );	
      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_iItem;	
      dispinfo.item.iSubItem = m_iSubItem;	
      dispinfo.item.pszText = m_bESC ? NULL : LPTSTR((LPCTSTR)str);	
      dispinfo.item.cchTextMax = str.GetLength(); 	
      // Send this Notification to parent of ListView ctrl	
      CWnd *pWndViewAttachmentsDlg = GetParent()->GetParent();
      if ( pWndViewAttachmentsDlg )
      {
        ASSERT(m_dwWM_APP_LISTCTRL_IPEDIT);
        pWndViewAttachmentsDlg->SendMessage( m_dwWM_APP_LISTCTRL_IPEDIT, 
                                   GetParent()->GetDlgCtrlID(), 
        (LPARAM)&dispinfo );
      }
		  GetParent()->SetFocus();		
      return;
    }

    // Delegate
    CEdit::OnChar(nChar, nRepCnt, nFlags); 	
	
    // Progressive inplace edit housekeeping 
    CString str; GetWindowText( str );	
    CWindowDC dc(this);	
    CFont *pFont   = GetParent()->GetFont();
    CFont *pFontDC = dc.SelectObject( pFont );	
    CSize size = dc.GetTextExtent( str );	
    dc.SelectObject( pFontDC );	
    size.cx += 5;			   

    // Get the client rectangle	
    CRect rect, parentrect;	
    GetClientRect( &rect );
    GetParent()->GetClientRect( &parentrect ); 
	
    // Transform rectangle to parent coordinates	
    ClientToScreen( &rect );	
    GetParent()->ScreenToClient( &rect ); 	
	
    // Check whether control needs resizing and if sufficient space to grow
    if( size.cx > rect.Width() )	
    {		
      if( size.cx + rect.left < parentrect.right )
        rect.right = rect.left + size.cx;		
      else			
        rect.right = parentrect.right;		
      MoveWindow( &rect );	
    }

	// Construct list control item data
	//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_iItem;	
	//dispinfo.item.iSubItem = m_iSubItem;	
	//dispinfo.item.pszText = m_bESC ? NULL : LPTSTR((LPCTSTR)str);	
	//dispinfo.item.cchTextMax = str.GetLength(); 	

	//  // Send this Notification to parent of ListView ctrl	
  //  CWnd *pWndViewAttachmentsDlg = GetParent()->GetParent();

	//if ( pWndViewAttachmentsDlg )
	//{
  //  ASSERT(m_dwWM_APP_LISTCTRL_IPEDIT);
  //	pWndViewAttachmentsDlg->SendMessage( m_dwWM_APP_LISTCTRL_IPEDIT, 
	//		                                 GetParent()->GetDlgCtrlID(), 
	//										 (LPARAM)&dispinfo );
	//}
}

// Called when application requests the Windows window be created by calling the Create/CreateEx member function.
int
CInPlaceEdit::OnCreate(LPCREATESTRUCT lpCreateStruct)
{	
	if (CEdit::OnCreate(lpCreateStruct) == -1)
	{
		return -1;
	}
	
	// Set the proper font	
	CFont* font = GetParent()->GetFont();	
	SetFont( font ); 
	SetWindowText( m_sInitText );	
	SetFocus();	
	SetSel( 0, -1 );	
	return 0;
}