www.pudn.com > ex15a.rar > ex15aView.cpp

// ex15aView.cpp : implementation of the CEx15aView class 
// 
 
#include "stdafx.h" 
#include "ex15a.h" 
 
#include "ex15aDoc.h" 
#include "ex15aView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CEx15aView 
 
IMPLEMENT_DYNCREATE(CEx15aView, CFormView) 
 
BEGIN_MESSAGE_MAP(CEx15aView, CFormView) 
	//{{AFX_MSG_MAP(CEx15aView) 
	ON_BN_CLICKED(IDC_ENTER, OnEnter) 
	ON_COMMAND(ID_EDIT_CLEAR_ALL, OnEditClearAll) 
	ON_UPDATE_COMMAND_UI(ID_EDIT_CLEAR_ALL, OnUpdateEditClearAll) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CEx15aView construction/destruction 
 
CEx15aView::CEx15aView() 
	: CFormView(CEx15aView::IDD) 
{ 
	//{{AFX_DATA_INIT(CEx15aView) 
	m_nGrade = 0; 
	m_strName = _T(""); 
	//}}AFX_DATA_INIT 
	// TODO: add construction code here 
 
} 
 
CEx15aView::~CEx15aView() 
{ 
} 
 
void CEx15aView::DoDataExchange(CDataExchange* pDX) 
{ 
	CFormView::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CEx15aView) 
	DDX_Text(pDX, IDC_GRADE, m_nGrade); 
	DDV_MinMaxInt(pDX, m_nGrade, 0, 100); 
	DDX_Text(pDX, IDC_NAME, m_strName); 
	//}}AFX_DATA_MAP 
} 
 
BOOL CEx15aView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CFormView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CEx15aView diagnostics 
 
#ifdef _DEBUG 
void CEx15aView::AssertValid() const 
{ 
	CFormView::AssertValid(); 
} 
 
void CEx15aView::Dump(CDumpContext& dc) const 
{ 
	CFormView::Dump(dc); 
} 
 
CEx15aDoc* CEx15aView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx15aDoc))); 
	return (CEx15aDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CEx15aView message handlers 
 
void CEx15aView::OnEnter()  
{ 
	CEx15aDoc* pDoc = GetDocument(); 
	UpdateData(TRUE); 
	pDoc->m_student.m_nGrade = m_nGrade; 
	pDoc->m_student.m_strName = m_strName; 
} 
 
void CEx15aView::OnEditClearAll()  
{ 
	GetDocument()->m_student = CStudent(); // "blank" student object 
	UpdateControlsFromDoc(); 
} 
 
void CEx15aView::OnUpdateEditClearAll(CCmdUI* pCmdUI)  
{ 
	pCmdUI->Enable(GetDocument()->m_student != CStudent()); // blank? 
} 
 
void CEx15aView::OnInitialUpdate()  
{	// called on startup 
	UpdateControlsFromDoc();	 
} 
 
void CEx15aView::UpdateControlsFromDoc() 
{	// called from OnInitialUpdate and OnEditClearAll 
	CEx15aDoc* pDoc = GetDocument(); 
	m_nGrade = pDoc->m_student.m_nGrade; 
	m_strName = pDoc->m_student.m_strName; 
	UpdateData(FALSE); // calls DDX 
}