// MySpin.cpp : implementation file
//

#include "stdafx.h"
#include "MySpin.h"
#include "globalFunc.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMySpin

CMySpin::CMySpin(double nDelta)
{
	m_nDelta = nDelta;
	m_bText = FALSE;
}

CMySpin::~CMySpin()
{
}


BEGIN_MESSAGE_MAP(CMySpin, CSpinButtonCtrl)
	//{{AFX_MSG_MAP(CMySpin)
	ON_NOTIFY_REFLECT(UDN_DELTAPOS, OnDeltapos)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySpin message handlers

void CMySpin::OnDeltapos(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
	CWnd *pWnd = GetBuddy(); 
	
	if(pWnd){
		CString csTmp;
		pWnd->GetWindowText(csTmp);

		if(m_bText){
			if(pNMUpDown->iDelta > 0)
				csTmp  = GlobalFunc::PlusString2(csTmp, 1, TRUE);
			else
				csTmp  = GlobalFunc::PlusString2(csTmp, -1, TRUE);
			pWnd->SetWindowText(csTmp);
			return;
		}

		int lower, upper;
		GetRange(lower, upper);
		
		double nVal = _tstof(csTmp);
		if(pNMUpDown->iDelta > 0)
			nVal = nVal + m_nDelta;
		else{
			nVal = nVal - m_nDelta;
			if(nVal < 0)
				nVal = 0;
		}
		if(nVal > upper || nVal < lower)
			return;

		if(m_nDelta < 1 &&  m_nDelta >= 0.1)
			csTmp.Format(_T("%.1f"), nVal);
		else if(m_nDelta < 0.1 &&  m_nDelta >= 0.01)
			csTmp.Format(_T("%.2f"), nVal);
		else if(m_nDelta >= 1)
			csTmp.Format(_T("%.0f"), nVal);
		pWnd->SetWindowText(csTmp);
	}
	*pResult = 0;
}