GridCellDouble.cpp

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//
// GridCellDateTime.cpp: implementation of the CGridCellDateTime class.
//
// Provides the implementation for a datetime picker cell type of the
// grid control.
//
// Written by Podsypalnikov Eugen 15 Mar 2001
// Modified:
//    31 May 2001  Fixed m_cTime bug (Chris Maunder)
//
// For use with CGridCtrl v2.22+
//

#include "stdafx.h"
#include "../GridCtrl_src/GridCtrl.h"
#include "../GridCtrl_src/GridCell.h"
#include "GridCellDouble.h"

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

// CGridCellDateTime

IMPLEMENT_DYNCREATE(CGridCellDouble, CGridCell)


// Construction/Destruction

CGridCellDouble::CGridCellDouble() : CGridCell()
{
        m_dwStyle = 0;
}


CGridCellDouble::~CGridCellDouble()
{
}

BOOL CGridCellDouble::Edit(int nRow, int nCol, CRect rect, CPoint /* point */, UINT nID, UINT nChar)
{
    if ( m_bEditing )
        {      
        if (m_pEditWnd)
                    m_pEditWnd->SendMessage ( WM_CHAR, nChar );    
    }  
        else  
        {   
                DWORD dwStyle = ES_LEFT;
                if (GetFormat() & DT_RIGHT) 
                        dwStyle = ES_RIGHT;
                else if (GetFormat() & DT_CENTER) 
                        dwStyle = ES_CENTER;

                m_bEditing = TRUE;
                
                // InPlaceEdit auto-deletes itself
                CGridCtrl* pGrid = GetGrid();
                m_pEditWnd = new CInPlaceDoubleEdit(pGrid, rect, dwStyle, nID, nRow, nCol, GetText(), nChar);
    }
    return TRUE;
}


// CInPlaceDoubleEdit


CInPlaceDoubleEdit::CInPlaceDoubleEdit(CWnd* pParent, CRect& rect, DWORD dwStyle, UINT nID,
                           int nRow, int nColumn, CString sInitText, 
                           UINT nFirstChar):CInPlaceEdit(pParent, rect, dwStyle, nID,
                           nRow, nColumn, sInitText, 
                           nFirstChar)
{
 //do nothing, just pass to the default constructor for CInPlaceEdit
        
}


BEGIN_MESSAGE_MAP(CInPlaceDoubleEdit, CInPlaceEdit)
        //{{AFX_MSG_MAP(CInPlaceDateTime)
    ON_WM_CHAR()
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()




void CInPlaceDoubleEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
        //AfxMessageBox(CString(nChar));

        if (nChar == VK_TAB || nChar == VK_RETURN || nChar == VK_ESCAPE || 
                nChar == 127 || nChar == VK_BACK) //VK_DELETE is 46, but that's '.', 127 is the ascii for Delete
        {
                CInPlaceEdit::OnChar(nChar, nRepCnt, nFlags);
                return;
        }
        
        
        if ((nChar >= '0') && (nChar <= '9')) 
        {
                CInPlaceEdit::OnChar(nChar, nRepCnt, nFlags);
                return;
        }


        CString currentText;
        this->GetWindowText(currentText.GetBuffer(100),100);
        
        if (nChar == '.') //can only allow one '.'
        {
                if (currentText.FindOneOf(".") != -1)
                {
                        //AfxMessageBox("has '.' ");
                        return;
                }
                else
                {
                        //AfxMessageBox("no '.'");
                        CInPlaceEdit::OnChar(nChar, nRepCnt, nFlags);
                        return;
                }
        }

        if (nChar == '-') //can only allow one '-'
        {
                if (currentText.FindOneOf("-") != -1)
                {
                        //AfxMessageBox("has '-' ");
                        return;
                }
                else
                {
                        //AfxMessageBox("no '-'");
                        this->SetSel(0,0); //'-' can only appear at the beginning of a double
                        CInPlaceEdit::OnChar(nChar, nRepCnt, nFlags);
                        return;
                }
        }
        
}

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