setting.cpp

使用贪心技术

// Setting.cpp : implementation file
//

#include "stdafx.h"
#include "SmallChage.h"
#include "Setting.h"
#include "Coin.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSetting dialog


CSetting::CSetting(CWnd* pParent /*=NULL*/)
	: CDialog(CSetting::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSetting)
	m_Money = 0;
	m_nAvailableNum = 0;
	m_nFaceValue = 0;
	m_nCoinsTypes = 0;
	m_pMoney = new int;
	m_pStrategy = new Strategy;
	m_nStrategy = -1;
	//}}AFX_DATA_INIT
}

void CSetting::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSetting)
	DDX_Control(pDX, IDC_COMBO_STRATEGY, m_ctlStrategy);
	DDX_Control(pDX, IDC_EDT_FACEVALUE, m_ctrlFaceValue);
	DDX_Control(pDX, IDC_LISTCTR_COINS, m_ctrCoins);
	DDX_Text(pDX, IDC_EDT_MONEY, m_Money);
	DDV_MinMaxInt(pDX, m_Money, 0, 20001);
	DDX_Text(pDX, IDC_EDT_NUM, m_nAvailableNum);
	DDV_MinMaxInt(pDX, m_nAvailableNum, 0, 100);
	DDX_Text(pDX, IDC_EDT_FACEVALUE, m_nFaceValue);
	DDV_MinMaxInt(pDX, m_nFaceValue, 0, 100000);
	DDX_CBIndex(pDX, IDC_COMBO_STRATEGY, m_nStrategy);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CSetting, CDialog)
	//{{AFX_MSG_MAP(CSetting)
	ON_BN_CLICKED(IDC_BTN_OK, OnBtnOk)
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSetting message handlers

BOOL CSetting::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	CenterWindow();

	m_ctlStrategy.AddString("动态规划");
	m_ctlStrategy.AddString("贪心策略");
	m_ctlStrategy.SetCurSel(0);

	m_ctrCoins.InsertColumn(0,"面值",LVCFMT_CENTER,100);
	m_ctrCoins.InsertColumn(1,"数目",LVCFMT_CENTER,100);
	CString strFaceValue, strAvailableNum;
	CCoin* pCoin = new CCoin;
	for (int nCoins = 0; nCoins < m_ptrCoins.GetSize(); nCoins++)
	{
		pCoin = (CCoin*)m_ptrCoins.GetAt(nCoins);
		strFaceValue.Format("%d", pCoin->GetFaceValue());
		strAvailableNum.Format("%d",pCoin->GetAvailableNum());
		m_ctrCoins.InsertItem(nCoins,strFaceValue);	
		m_ctrCoins.SetItemText(nCoins,1,strAvailableNum);
	}

//	delete pCoin;	//不可释放掉pCoin所指向的Coin对象

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CSetting::OnBtnOk() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	CCoin* pCoin = new CCoin(m_nFaceValue,m_nAvailableNum);
	m_ptrCoins.Add(pCoin);

	CString strFaceValue, strAvailableNum;
	strFaceValue.Format("%d", m_nFaceValue);
	strAvailableNum.Format("%d",m_nAvailableNum);
	m_ctrCoins.InsertItem(m_nCoinsTypes,strFaceValue);	
	m_ctrCoins.SetItemText(m_nCoinsTypes++,1,strAvailableNum);

	m_ctrlFaceValue.SetFocus();
	m_ctrlFaceValue.SetSel(0,-1);
// 	GetNextDlgTabItem(GetFocus())->SetFocus();
// 	((CEdit*)GetNextDlgTabItem(GetFocus()))->SetSel(0, -1);	

//  delete pCoin;	//delete 会释放掉pCoin地址的Coin对象，从而p_ptrCoins保存的地址内无Coin对象 [10/26/2008 wkc]	
}

void CSetting::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	UpdateData();
	m_pMoney = &m_Money;
	m_nStrategy = m_ctlStrategy.GetCurSel();
	m_pStrategy = (Strategy*)&m_nStrategy;
	
	CDialog::OnClose();
}