ex_docviewview.cpp

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// Ex_DocViewView.cpp : implementation of the CEx_DocViewView class
//

#include "stdafx.h"
#include "Ex_DocView.h"

#include "Ex_DocViewDoc.h"
#include "Ex_DocViewView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CEx_DocViewView

IMPLEMENT_DYNCREATE(CEx_DocViewView, CFormView)

BEGIN_MESSAGE_MAP(CEx_DocViewView, CFormView)
	//{{AFX_MSG_MAP(CEx_DocViewView)
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_NEXT, OnNext)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx_DocViewView construction/destruction

CEx_DocViewView::CEx_DocViewView()
	: CFormView(CEx_DocViewView::IDD)
{
	//{{AFX_DATA_INIT(CEx_DocViewView)
	m_sName = _T("");
	m_lAge = 0;
	m_lScore = 0;
	m_nCode = 0;
	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

CEx_DocViewView::~CEx_DocViewView()
{
}

void CEx_DocViewView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEx_DocViewView)
	DDX_Text(pDX, IDC_NAME, m_sName);
	DDX_Text(pDX, IDC_AGE, m_lAge);
	DDX_Text(pDX, IDC_SCORE, m_lScore);
	DDX_Text(pDX, IDC_CODE, m_nCode);
	//}}AFX_DATA_MAP
}

BOOL CEx_DocViewView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CFormView::PreCreateWindow(cs);
}

void CEx_DocViewView::OnInitialUpdate()
{
	CFormView::OnInitialUpdate();
	ResizeParentToFit();

}

/////////////////////////////////////////////////////////////////////////////
// CEx_DocViewView printing

BOOL CEx_DocViewView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CEx_DocViewView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CEx_DocViewView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

void CEx_DocViewView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	// TODO: add customized printing code here
}

/////////////////////////////////////////////////////////////////////////////
// CEx_DocViewView diagnostics

#ifdef _DEBUG
void CEx_DocViewView::AssertValid() const
{
	CFormView::AssertValid();
}

void CEx_DocViewView::Dump(CDumpContext& dc) const
{
	CFormView::Dump(dc);
}

CEx_DocViewDoc* CEx_DocViewView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx_DocViewDoc)));
	return (CEx_DocViewDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CEx_DocViewView message handlers

void CEx_DocViewView::OnAdd() 
{
    UpdateData(); 
	CEx_DocViewDoc *pDoc=GetDocument();
	ASSERT_VALID(pDoc); 
	CStudent *pStudent;
	pStudent=new CStudent(m_nCode,m_sName,m_lAge,m_lScore);
    pDoc->m_dataList.AddTail(pStudent); 
	pDoc->curPos=pDoc->m_dataList.GetHeadPosition();
}

void CEx_DocViewView::OnNext() 
{
	CEx_DocViewDoc *pDoc =GetDocument();
	ASSERT_VALID(pDoc);

	if(pDoc->curPos!=NULL)   
	{
      CStudent *pStudent=(CStudent *)pDoc->m_dataList.GetAt(pDoc->curPos);	
		m_nCode=pStudent->m_nCode;
		m_sName=pStudent->m_sName;
		m_lAge=pStudent->m_lAge;
		m_lScore=pStudent->m_lScore;	

		UpdateData(false); 

		pDoc->m_dataList.GetNext(pDoc->curPos);
	       if(pDoc->curPos==NULL)	
        pDoc->curPos=pDoc->m_dataList.GetHeadPosition();
	}
	else
		MessageBox("当前列表中没有数据!");

	
}