mydocvview.cpp

来自「文件包含了很多VC实例」· C++ 代码 · 共 185 行

// myDocVView.cpp : implementation of the CMyDocVView class
//

#include "stdafx.h"
#include "myDocV.h"

#include "myDocVDoc.h"
#include "myDocVView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyDocVView

IMPLEMENT_DYNCREATE(CMyDocVView, CFormView)

BEGIN_MESSAGE_MAP(CMyDocVView, CFormView)
	//{{AFX_MSG_MAP(CMyDocVView)
	ON_BN_CLICKED(IDC_BUTTON1, OnInsert)
	ON_BN_CLICKED(IDC_BUTTON2, OnForward)
	ON_BN_CLICKED(IDC_BUTTON3, 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()

/////////////////////////////////////////////////////////////////////////////
// CMyDocVView construction/destruction

CMyDocVView::CMyDocVView()
	: CFormView(CMyDocVView::IDD)
{
	//{{AFX_DATA_INIT(CMyDocVView)
	m_strName = _T("");
	m_nMoney = 0;
	//}}AFX_DATA_INIT
	// TODO: add construction code here
	m_position = NULL;

}

CMyDocVView::~CMyDocVView()
{
}

void CMyDocVView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyDocVView)
	DDX_Text(pDX, IDC_EDIT1, m_strName);
	DDX_Text(pDX, IDC_EDIT2, m_nMoney);
	//}}AFX_DATA_MAP
}

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

	return CFormView::PreCreateWindow(cs);
}

void CMyDocVView::OnInitialUpdate()
{
	m_pList = GetDocument()->GetList();
	CFormView::OnInitialUpdate();
	//GetParentFrame()->RecalcLayout();
	//ResizeParentToFit();

}

/////////////////////////////////////////////////////////////////////////////
// CMyDocVView printing

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

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyDocVView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyDocVView message handlers

void CMyDocVView::OnInsert() 
{
    InsertEntry(m_position);
    GetDocument()->SetModifiedFlag();
    GetDocument()->UpdateAllViews(this);	
}

void CMyDocVView::InsertEntry(POSITION position)
{
    if (UpdateData(TRUE)) 
	{
        CWorker* pWorker = new CWorker;
        pWorker->m_strName = m_strName;
        pWorker->m_nMoney = m_nMoney;
        m_position = m_pList->InsertAfter(m_position, pWorker);
    }
}

void CMyDocVView::OnForward() 
{
    POSITION pos;
    if ((pos = m_position) != NULL) {
        m_pList->GetPrev(pos);
        if (pos) {
            GetEntry(pos);
            m_position = pos;
        }
    }	
}


void CMyDocVView::GetEntry(POSITION position)
{
    if (position)
	{
        CWorker* pworker = m_pList->GetAt(position);
        m_strName = pworker->m_strName;
        m_nMoney = pworker->m_nMoney;
    }
	else
	{
		return;
	}
    UpdateData(FALSE);
}

void CMyDocVView::OnNext() 
{
    POSITION pos;
    if ((pos = m_position) != NULL) 
	{
        m_pList->GetNext(pos);
        if (pos) 
		{
            GetEntry(pos);
            m_position = pos;
        }
    }	
}