testview.cpp

来自「VIUSAL C++实现的考试管理系统,涉及到试卷生成,成绩记录等功能.」· C++ 代码 · 共 99 行

// TestView.cpp : implementation file
//

#include "stdafx.h"
#include "TestApp.h"
#include "TestView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTestView

IMPLEMENT_DYNCREATE(CTestView, CRecordView)

CTestView::CTestView()
	: CRecordView(CTestView::IDD)
{
	//{{AFX_DATA_INIT(CTestView)
	m_pSet = NULL;
	//}}AFX_DATA_INIT
}

CTestView::~CTestView()
{
	if (m_pSet)
		delete m_pSet;
}

void CTestView::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTestView)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CTestView, CRecordView)
	//{{AFX_MSG_MAP(CTestView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTestView diagnostics

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

void CTestView::Dump(CDumpContext& dc) const
{
	CRecordView::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTestView message handlers

CRecordset* CTestView::OnGetRecordset()
{
	if (m_pSet != NULL)
		return m_pSet;

	m_pSet = new CPapersSet(NULL);
	m_pSet->Open();

	return m_pSet;
}

CPapersSet* CTestView::GetRecordset()
{
	CPapersSet* pData = (CPapersSet*) OnGetRecordset();
	ASSERT(pData == NULL || pData->IsKindOf(RUNTIME_CLASS(CPapersSet)));
	return pData;
}

void CTestView::OnInitialUpdate()
{
	BeginWaitCursor();
	GetRecordset();
	CRecordView::OnInitialUpdate();
	if (m_pSet->IsOpen())
	{
		CString strTitle = m_pSet->m_pDatabase->GetDatabaseName();
		CString strTable = m_pSet->GetTableName();
		if (!strTable.IsEmpty())
			strTitle += _T(":") + strTable;
		GetDocument()->SetTitle(strTitle);
	}
	EndWaitCursor();
}