courseview.cpp

来自「B/S架构的软件项目实训；包括全部详细文档合源程序」· C++ 代码 · 共 175 行

// courseView.cpp : implementation of the CCourseView class
//

#include "stdafx.h"
#include "course.h"

#include "courseSet.h"
#include "courseDoc.h"
#include "courseView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCourseView

IMPLEMENT_DYNCREATE(CCourseView, CRecordView)

BEGIN_MESSAGE_MAP(CCourseView, CRecordView)
	//{{AFX_MSG_MAP(CCourseView)
	ON_COMMAND(ID_RECORD_FIRST, OnRecordFirst)
	ON_COMMAND(ID_RECORD_LAST, OnRecordLast)
	ON_COMMAND(ID_RECORD_NEXT, OnRecordNext)
	ON_COMMAND(ID_RECORD_PREV, OnRecordPrev)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CCourseView construction/destruction

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

}

CCourseView::~CCourseView()
{
}

void CCourseView::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCourseView)
	DDX_FieldText(pDX, IDC_STUDENTNO, m_pSet->m_studentNo, m_pSet);
	DDX_FieldText(pDX, IDC_STUDENTNAME, m_pSet->m_stuName, m_pSet);
	//}}AFX_DATA_MAP
}

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

	return CRecordView::PreCreateWindow(cs);
}

void CCourseView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_courseSet;
	CRecordView::OnInitialUpdate();
	LoadListBox();
}

/////////////////////////////////////////////////////////////////////////////
// CCourseView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CCourseView diagnostics

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

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

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

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


/////////////////////////////////////////////////////////////////////////////
// CCourseView message handlers

//增加函数动态生成学生选课情况
void CCourseView::LoadListBox()
{
	CCourseDoc * pDoc=GetDocument();   
	CListBox * pLB=(CListBox*) GetDlgItem(IDC_COURSE);
	CElectiveCourseSet ec(&pDoc->m_database);
	ec.m_strFilter="studentNo=?";	
	ec.m_studentNoParam=m_pSet->m_studentNo;	
	ec.Open();	pLB->ResetContent();
	while(!ec.IsEOF())
	{		
		pLB->AddString(ec.m_courseName);		
		ec.MoveNext();	
	}
}

void CCourseView::OnRecordFirst() 
{
	// TODO: Add your command handler code here
	m_pSet->MoveFirst();	
	UpdateData(FALSE);	
	LoadListBox();
}

void CCourseView::OnRecordLast() 
{
	// TODO: Add your command handler code here
	m_pSet->MoveLast();	
	UpdateData(FALSE);	
	LoadListBox();
}

void CCourseView::OnRecordNext() 
{
	// TODO: Add your command handler code here
		m_pSet->MoveNext();    
		UpdateData(FALSE);	
		LoadListBox();
}

void CCourseView::OnRecordPrev() 
{
	// TODO: Add your command handler code here
		m_pSet->MovePrev();	
		UpdateData(FALSE);	
		LoadListBox();
	
}