/***********************************************************************/ 
/* Copyright (C) 2002 Definitive Solutions, Inc.  All Rights Reserved. */ 
/* THIS COMPUTER PROGRAM IS PROPRIETARY AND CONFIDENTIAL TO DEFINITIVE */ 
/* SOLUTIONS, INC. AND ITS LICENSORS AND CONTAINS TRADE SECRETS OF     */ 
/* DEFINITIVE SOLUTIONS, INC. THAT ARE PROVIDED PURSUANT TO A WRITTEN  */ 
/* AGREEMENT CONTAINING RESTRICTIONS ON USE AND DISCLOSURE.  ANY USE,  */ 
/* REPRODUCTION, OR TRANSFER EXCEPT AS PROVIDED IN SUCH AGREEMENT      */ 
/* IS STRICTLY PROHIBITED.                                             */ 
/***********************************************************************/ 

#include "stdafx.h"

#include "MySpinCtrl.h"
#include "Generic.h"

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


/////////////////////////////////////////////////////////////////////////////
// MySpinCtrl

// Constructor.
MySpinCtrl::MySpinCtrl()
	: m_nLo(0)
	, m_nHi(INT_MAX)
	, m_dInc(1.0)
	, m_nDigitsAfterDecimal(0)
{
}

// Destructor.
/* virtual */ MySpinCtrl::~MySpinCtrl()
{
}

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


/////////////////////////////////////////////////////////////////////////////
// MySpinCtrl message handlers

// This is called by MFC after the window's HWND has been bound to the 
// MySpinCtrl object, but before the subclassing occurs.  Note that this class 
// never gets WM_CREATE, because that comes before the subclassing occurs.
void MySpinCtrl::PreSubclassWindow()
{
	VALIDATE;
	_ASSERTE(! (UDS_SETBUDDYINT & GetStyle())  &&  "'Auto Buddy Int' style *MUST NOT* be checked");
	_ASSERTE(  (UDS_AUTOBUDDY   & GetStyle())  &&  "'Auto Buddy' style *MUST* be checked");

	// Do this so that, the first time, the up/down arrows work in the right
	// direction, and the range is a reasonable value.
	SetRange(0, 1);
	SetRangeDWord(0, INT_MAX);
	
	CSpinButtonCtrl::PreSubclassWindow();
}

// UDN_DELTAPOS.
void MySpinCtrl::OnDeltapos(NMHDR*   pNMHDR,
							LRESULT* pResult)
{
	VALIDATE;
	_ASSERTE(! (UDS_SETBUDDYINT & GetStyle())  &&  "'Auto Buddy Int' style *MUST* be unchecked");
	_ASSERTE(  (UDS_AUTOBUDDY   & GetStyle())  &&  "'Auto Buddy' style *MUST* be checked");

	NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
	
	// Grab buddy edit control value.
	CString sBuddyValue;
	GetBuddy()->GetWindowText(sBuddyValue);
	
	// Do some range validation here.
	double dBuddyValue(Generic::CommasToDouble(sBuddyValue));
	double dProposedValue(dBuddyValue + (m_dInc * (double) pNMUpDown->iDelta));

	if (dProposedValue < m_nLo  || dProposedValue > m_nHi) {
		MessageBeep((UINT) -1);
	}
	else {
		// Adjust buddy edit control value by new value.
		if (UDS_NOTHOUSANDS & GetStyle()) {
			sBuddyValue.Format("%.*f", m_nDigitsAfterDecimal, dProposedValue);
		}
		else {
			sBuddyValue = Generic::DoubleToCommas(dProposedValue, m_nDigitsAfterDecimal);
		}

		GetBuddy()->SetWindowText(sBuddyValue);
	}
	
	*pResult = 0;
}

// Set 32-bit ranges.
void MySpinCtrl::SetRangeDWord(int nLo,
							   int nHi)
{
	VALIDATE;
	_ASSERTE(! (UDS_SETBUDDYINT & GetStyle())  &&  "'Auto Buddy Int' style *MUST* be unchecked");
	_ASSERTE(  (UDS_AUTOBUDDY   & GetStyle())  &&  "'Auto Buddy' style *MUST* be checked");

	m_nLo = nLo;
	m_nHi = nHi;
}

// Set the current value.
void MySpinCtrl::SetPosDWord(int nPos)
{
	VALIDATE;
	_ASSERTE(! (UDS_SETBUDDYINT & GetStyle())  &&  "'Auto Buddy Int' style *MUST* be unchecked");
	_ASSERTE(  (UDS_AUTOBUDDY   & GetStyle())  &&  "'Auto Buddy' style *MUST* be checked");

	CString sBuddyValue;

	if (UDS_NOTHOUSANDS & GetStyle()) {
		sBuddyValue.Format("%d", nPos);
	}
	else {
		sBuddyValue = Generic::IntToCommas(nPos);
	}

	GetBuddy()->SetWindowText(sBuddyValue);
}

// Get the current value.
int MySpinCtrl::GetPosDWord() const
{
	VALIDATE;
	_ASSERTE(! (UDS_SETBUDDYINT & GetStyle())  &&  "'Auto Buddy Int' style *MUST* be unchecked");
	_ASSERTE(  (UDS_AUTOBUDDY   & GetStyle())  &&  "'Auto Buddy' style *MUST* be checked");

	// Grab buddy edit control value.
	CString sBuddyValue;
	GetBuddy()->GetWindowText(sBuddyValue);
	
	// Do some range validation here.
	return Generic::CommasToInt(sBuddyValue);
}

// Set how much each click moves.
void MySpinCtrl::SetIncrement(double dInc)
{
	VALIDATE;
	_ASSERTE(0.0 < dInc);

	m_dInc = max(0.0, dInc);
}

// Set how to display data.
void MySpinCtrl::SetDigitsAfterDecimal(int nDigitsAfterDecimal)
{
	VALIDATE;
	_ASSERTE(0 <= nDigitsAfterDecimal);

	m_nDigitsAfterDecimal = max(0, nDigitsAfterDecimal);
}