editgrid.cpp

某个实验事编写粗糙集智能信息处理的程序

// EditGrid.cpp : implementation file
//

#include "stdafx.h"
#include "RSet.h"
#include "EditGrid.h"
 
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CEditGrid

CEditGrid::CEditGrid()
{
}

CEditGrid::~CEditGrid()
{
}


BEGIN_EVENTSINK_MAP(CEditGrid, CMSFlexGrid)
	//{{AFX_EVENTSINK_MAP(CEditGrid)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		ON_EVENT_REFLECT(CEditGrid, -603 /* KeyPress */, OnKeyPressGrid, VTS_PI2)
        ON_EVENT_REFLECT(CEditGrid, -601 /* DblClick */, OnDblClickGrid, VTS_NONE)
        ON_EVENT_REFLECT(CEditGrid, 72 /* LeaveCell */, OnUpdateGrid, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

BEGIN_MESSAGE_MAP(CEditGrid, CMSFlexGrid)
	//{{AFX_MSG_MAP(CEditGrid)
	ON_WM_GETDLGCODE()
	ON_WM_SETFOCUS()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CEditGrid message handlers

void CEditGrid::PreSubclassWindow()
{
	// Calculate border size.
    SetRow(0);
    SetCol(0);
    m_lBorderWidth = GetCellLeft();
    m_lBorderHeight = GetCellTop();

    // To convert grid rect from twips to DC units you need
    // pixels per inch.
    CDC* pDC = GetDC();
    m_nLogX = pDC->GetDeviceCaps(LOGPIXELSX);
    m_nLogY = pDC->GetDeviceCaps(LOGPIXELSY);
    ReleaseDC(pDC);

    // Create invisible edit control.
    m_edit.Create(WS_CHILD|ES_WANTRETURN|ES_CENTER,
		CRect(0,0,0,0), this, GetDlgCtrlID());
}

void CEditGrid::OnDblClickGrid()
{
    short i = 13;
    OnKeyPressGrid(&i); // Simulate a return.
}

void CEditGrid::OnKeyPressGrid(short FAR* KeyAscii)
{

    ASSERT (KeyAscii != NULL);

	m_edit.SetWindowText(GetText());

    if (*KeyAscii == 13)
		m_edit.SetSel(0,-1);
    else
    {
        char buf[] = " ";
        buf[0] = (char)*KeyAscii;
        m_edit.SetSel(-1,-1);
        m_edit.ReplaceSel(buf);
    }

    // Adjust for border height and convert from twips to screen
    // units.
    m_edit.MoveWindow(((GetCellLeft() - m_lBorderWidth) * m_nLogX)/1440,
            ((GetCellTop() - m_lBorderHeight) * m_nLogY)/1440,
            (GetCellWidth()* m_nLogX)/1440,
            (GetCellHeight()* m_nLogY)/1440, FALSE);

    m_edit.ShowWindow(SW_SHOW);
    m_edit.SetFocus();
}

void CEditGrid::OnUpdateGrid()
{
    // Check to see if edit is visible.
    BOOL bVisible = ::GetWindowLong(m_edit.GetSafeHwnd(), GWL_STYLE) & WS_VISIBLE;
    if (bVisible)
    {
		CString cStr;
        m_edit.GetWindowText(cStr);
        SetText(cStr);
        m_edit.SetWindowText("");
        m_edit.ShowWindow(SW_HIDE);
	}
}




UINT CEditGrid::OnGetDlgCode() 
{
	// TODO: Add your message handler code here and/or call default
	
	return DLGC_WANTALLKEYS;
}

void CEditGrid::OnSetFocus(CWnd* pOldWnd) 
{
	CMSFlexGrid::OnSetFocus(pOldWnd);
	OnUpdateGrid();	
}