formatnumview.cpp

实效编程百例,包含了用vc开发的各方面的源代码。

// FormatNumView.cpp : implementation of the CFormatNumView class
//

#include "stdafx.h"
#include "FormatNum.h"

#include "FormatNumSet.h"
#include "FormatNumDoc.h"
#include "FormatNumView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CFormatNumView

IMPLEMENT_DYNCREATE(CFormatNumView, CRecordView)

BEGIN_MESSAGE_MAP(CFormatNumView, CRecordView)
	//{{AFX_MSG_MAP(CFormatNumView)
	ON_BN_CLICKED(IDC_SHOW, OnShow)
	ON_BN_CLICKED(IDC_MODIFY, OnModify)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CRecordView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CRecordView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CRecordView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFormatNumView construction/destruction

CFormatNumView::CFormatNumView()
	: CRecordView(CFormatNumView::IDD)
{
	//{{AFX_DATA_INIT(CFormatNumView)
	m_pSet = NULL;
	m_fNumber = 0.0;
	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

CFormatNumView::~CFormatNumView()
{
}

void CFormatNumView::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFormatNumView)
	DDX_Text(pDX, IDC_NUMBER, m_fNumber);
	//}}AFX_DATA_MAP
}

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

	return CRecordView::PreCreateWindow(cs);
}

void CFormatNumView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_formatNumSet;
	CRecordView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();

}

/////////////////////////////////////////////////////////////////////////////
// CFormatNumView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CFormatNumView diagnostics

#ifdef _DEBUG
void CFormatNumView::AssertValid() const
{
	CRecordView::AssertValid();
}

void CFormatNumView::Dump(CDumpContext& dc) const
{
	CRecordView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CFormatNumView database support
CRecordset* CFormatNumView::OnGetRecordset()
{
	return m_pSet;
}


/////////////////////////////////////////////////////////////////////////////
// CFormatNumView message handlers

//显示第一条记录
void CFormatNumView::OnShow() 
{
	double fNumber = m_pSet->m_Number;
	m_fNumber = fNumber*100;
	UpdateData(FALSE);
}

//修改第一条记录
void CFormatNumView::OnModify() 
{
	UpdateData(TRUE);
	m_pSet->Edit();
	m_pSet->m_Number = m_fNumber/100;
	m_pSet->Update();
}