doc_viewview.cpp

关于使用VC编程的代码

// Doc_ViewView.cpp : implementation of the CDoc_ViewView class
//

#include "stdafx.h"
#include "Doc_View.h"

#include "Doc_ViewDoc.h"
#include "Doc_ViewView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDoc_ViewView

IMPLEMENT_DYNCREATE(CDoc_ViewView, CFormView)

BEGIN_MESSAGE_MAP(CDoc_ViewView, CFormView)
	//{{AFX_MSG_MAP(CDoc_ViewView)
	ON_COMMAND(ID_MOVE_FIRST, OnMoveFirst)
	ON_UPDATE_COMMAND_UI(ID_MOVE_FIRST, OnUpdateMoveFirst)
	ON_COMMAND(ID_MOVE_LAST, OnMoveLast)
	ON_UPDATE_COMMAND_UI(ID_MOVE_LAST, OnUpdateMoveLast)
	ON_COMMAND(ID_MOVE_NEXT, OnMoveNext)
	ON_UPDATE_COMMAND_UI(ID_MOVE_NEXT, OnUpdateMoveNext)
	ON_COMMAND(ID_MOVE_PREV, OnMovePrev)
	ON_UPDATE_COMMAND_UI(ID_MOVE_PREV, OnUpdateMovePrev)
	ON_COMMAND(ID_REMOVE_RECORD, OnRemoveRecord)
	ON_UPDATE_COMMAND_UI(ID_REMOVE_RECORD, OnUpdateRemoveRecord)
	ON_COMMAND(ID_ADD_RECORD, OnAddRecord)
	ON_UPDATE_COMMAND_UI(ID_ADD_RECORD, OnUpdateAddRecord)
	//}}AFX_MSG_MAP
	// Standard printing commands
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDoc_ViewView construction/destruction

CDoc_ViewView::CDoc_ViewView()
	: CFormView(CDoc_ViewView::IDD)
{
	//{{AFX_DATA_INIT(CDoc_ViewView)
	m_nAge = 0;
	m_strName = _T("");
	m_nSex = 0;
	m_strSocialNO = _T("");
	//}}AFX_DATA_INIT
	m_nPersonIndex = 0;
}

CDoc_ViewView::~CDoc_ViewView()
{
}

void CDoc_ViewView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDoc_ViewView)
	DDX_Text(pDX, IDC_AGE_EDIT, m_nAge);
	DDV_MinMaxInt(pDX, m_nAge, 0, 150);
	DDX_Text(pDX, IDC_NAME_EDIT, m_strName);
	DDX_Radio(pDX, IDC_SEX_RADIO, m_nSex);
	DDX_Text(pDX, IDC_NO_EDIT, m_strSocialNO);
	//}}AFX_DATA_MAP
}

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

	return CFormView::PreCreateWindow(cs);
}

void CDoc_ViewView::OnInitialUpdate()
{
	CFormView::OnInitialUpdate();

	m_pArray = GetDocument()->GetPersonArray();
	m_nPersonIndex = 0;
	ShowNewData();

	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();

}

/////////////////////////////////////////////////////////////////////////////
// CDoc_ViewView printing


/////////////////////////////////////////////////////////////////////////////
// CDoc_ViewView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CDoc_ViewView message handlers

void CDoc_ViewView::OnMoveFirst() 
{
	m_nPersonIndex = 0;
	ShowNewData();
}

void CDoc_ViewView::OnUpdateMoveFirst(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable( (m_nPersonIndex != 0) && (m_pArray->GetSize() >0) );
}

void CDoc_ViewView::OnMoveLast() 
{
	m_nPersonIndex = m_pArray->GetUpperBound();
	ShowNewData();
}

void CDoc_ViewView::OnUpdateMoveLast(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable( m_nPersonIndex < m_pArray->GetUpperBound() );	
}

void CDoc_ViewView::OnMoveNext() 
{
	m_nPersonIndex++;
	ShowNewData();		
}

void CDoc_ViewView::OnUpdateMoveNext(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(m_nPersonIndex < m_pArray->GetUpperBound());
}

void CDoc_ViewView::OnMovePrev() 
{
	m_nPersonIndex--;
	ShowNewData();		
}

void CDoc_ViewView::OnUpdateMovePrev(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable(m_nPersonIndex > 0);
}

void CDoc_ViewView::OnRemoveRecord() 
{
	CPerson* pPerson;
	pPerson = m_pArray->GetAt(m_nPersonIndex);
	m_pArray->RemoveAt(m_nPersonIndex);
	delete pPerson;
	if(m_nPersonIndex > m_pArray->GetUpperBound())
	{
		m_nPersonIndex = m_pArray->GetUpperBound();
	}
	ShowNewData();
	GetDocument()->SetModifiedFlag();
	GetDocument()->UpdateAllViews(this);
}

void CDoc_ViewView::OnUpdateRemoveRecord(CCmdUI* pCmdUI) 
{
	pCmdUI->Enable( (m_nPersonIndex < m_pArray->GetSize()) && (m_nPersonIndex >= 0) );
}

void CDoc_ViewView::OnAddRecord() 
{
	UpdateData(TRUE);
	if( RecordExist(m_strSocialNO) == TRUE )
	{
		AfxMessageBox( "record with the same social number exists in the data set!");
	}
	else
	{
		CPerson* pPerson = new CPerson;
		pPerson->SetAge(m_nAge);
		pPerson->SetName(m_strName);
		pPerson->SetSex((SEX_TYPE)m_nSex);
		pPerson->SetSocialNO(m_strSocialNO);
		m_pArray->Add(pPerson);
		m_nPersonIndex = m_pArray->GetUpperBound();
		GetDocument()->SetModifiedFlag();
		GetDocument()->UpdateAllViews(this);
	}
}

void CDoc_ViewView::OnUpdateAddRecord(CCmdUI* pCmdUI) 
{
	UpdateData(TRUE);
	if( (m_strName.IsEmpty() == TRUE) || (m_strSocialNO.IsEmpty() == TRUE) )
	{
		pCmdUI->Enable( FALSE );
	}
	else
	{
		pCmdUI->Enable( TRUE );
	}
}

void CDoc_ViewView::ShowNewData()
{
	if( (m_nPersonIndex < 0) || (m_nPersonIndex > m_pArray->GetUpperBound()) )
	{
		m_nAge = 0;
		m_nSex = 0;
		m_strName.Empty();
		m_strSocialNO.Empty();
	}
	else
	{
		CPerson *pCurrentPerson;
		pCurrentPerson = m_pArray->GetAt(m_nPersonIndex);
		m_nAge = pCurrentPerson->GetAge();
		m_nSex = (int)pCurrentPerson->GetSex();
		m_strName = pCurrentPerson->GetName();
		m_strSocialNO = pCurrentPerson->GetSocialNO();
	}
	UpdateData(FALSE);
}

void CDoc_ViewView::GetNewData()
{
	UpdateData(TRUE);
}

BOOL CDoc_ViewView::RecordExist(CString strSocialNO)
{
	BOOL bExist;
	int nIndex,nCount;
	CPerson* pPerson;

	nIndex = 0;
	nCount = m_pArray->GetSize();
	bExist = FALSE;
	while( (nIndex < nCount) && (bExist == FALSE) )
	{
		pPerson = m_pArray->GetAt(nIndex);
		if( strSocialNO.CompareNoCase(pPerson->GetSocialNO()) == 0 )
		{
			bExist = TRUE;
		}
		nIndex++;
	}
	return bExist;
}