mysdiview.cpp

经典C++书籍钱能C++书籍例子代码实例

// MySdiView.cpp : implementation of the CMySdiView class
//

#include "stdafx.h"
#include "MySdi.h"

#include "MySdiDoc.h"
#include "MySdiView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMySdiView

IMPLEMENT_DYNCREATE(CMySdiView, CFormView)

BEGIN_MESSAGE_MAP(CMySdiView, CFormView)
	//{{AFX_MSG_MAP(CMySdiView)
	ON_EN_CHANGE(IDC_EDIT_NAME, OnChangeEditName)
	ON_EN_CHANGE(IDC_EDIT_AGE, OnChangeEditAge)
	ON_EN_CHANGE(IDC_EDIT_SCHOOL, OnChangeEditSchool)
	ON_EN_CHANGE(IDC_EDIT_SEX, OnChangeEditSex)
	ON_EN_CHANGE(IDC_EDIT_TEL, OnChangeEditTel)
	ON_CBN_SELCHANGE(IDC_COMBO, OnSelchangeCombo)
	ON_COMMAND(ID_FILE_MYOPEN, OnFileMyopen)
	ON_COMMAND(ID_FILE_MYSAVE, OnFileMysave)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySdiView construction/destruction

CMySdiView::CMySdiView()
	: CFormView(CMySdiView::IDD)
{
	//{{AFX_DATA_INIT(CMySdiView)
	m_name = _T("");
	m_age = 0;
	m_school = _T("");
	m_sex = _T("");
	m_tel = _T("");
	//}}AFX_DATA_INIT
	// TODO: add construction code here
	m_nCurrentNo =0;
}

CMySdiView::~CMySdiView()
{
}

void CMySdiView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMySdiView)
	DDX_Control(pDX, IDC_COMBO, m_noList);
	DDX_Text(pDX, IDC_EDIT_NAME, m_name);
	DDX_Text(pDX, IDC_EDIT_AGE, m_age);
	DDX_Text(pDX, IDC_EDIT_SCHOOL, m_school);
	DDX_Text(pDX, IDC_EDIT_SEX, m_sex);
	DDX_Text(pDX, IDC_EDIT_TEL, m_tel);
	//}}AFX_DATA_MAP
}

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

	return CFormView::PreCreateWindow(cs);
}

void CMySdiView::OnInitialUpdate()
{
	CFormView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();
	char temp[10];
	CString k;
	for(int i=0;i<40;i++)
	{	 if(i<10)k="2000";
		 else    k="200";
	    m_noList.InsertString(i,k+itoa(i,temp,10));
	}

	CMySdiDoc *pDoc = GetDocument();
	m_noList.SetCurSel(0);           
	m_name = pDoc->m_student[0].name;
	m_age  = pDoc->m_student[0].age;
	m_school=pDoc->m_student[0].school;
	m_sex   =pDoc->m_student[0].sex;
	m_tel   =pDoc->m_student[0].tel;

	UpdateData(false);
}

/////////////////////////////////////////////////////////////////////////////
// CMySdiView printing

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

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

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

void CMySdiView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	// TODO: add customized printing code here
}

/////////////////////////////////////////////////////////////////////////////
// CMySdiView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMySdiView message handlers

void CMySdiView::OnChangeEditName() 
{
	CMySdiDoc *pDoc = GetDocument();
	UpdateData(true);
	if(strcmp( pDoc->m_student[m_nCurrentNo].name,m_name))
	{ strcpy( pDoc->m_student[m_nCurrentNo].name,m_name);
	  pDoc->SetModifiedFlag();
	}

}

void CMySdiView::OnChangeEditAge() 
{
	CMySdiDoc *pDoc = GetDocument();
	UpdateData(true);
	if( pDoc->m_student[m_nCurrentNo].age != m_age)
	{ pDoc->m_student[m_nCurrentNo].age=m_age;
	  pDoc->SetModifiedFlag();
	}
}

void CMySdiView::OnChangeEditSchool() 
{
CMySdiDoc *pDoc = GetDocument();
	UpdateData(true);
	if(strcmp( pDoc->m_student[m_nCurrentNo].school,m_school))
	{ strcpy( pDoc->m_student[m_nCurrentNo].school,m_school);
	  pDoc->SetModifiedFlag();
	}// TODO: Add your control notification handler code here
	
}

void CMySdiView::OnChangeEditSex() 
{
	CMySdiDoc *pDoc = GetDocument();
	UpdateData(true);
	if(strcmp( pDoc->m_student[m_nCurrentNo].sex,m_sex))
	{ strcpy( pDoc->m_student[m_nCurrentNo].sex,m_sex);
	  pDoc->SetModifiedFlag();
	}
	
}

void CMySdiView::OnChangeEditTel() 
{
	CMySdiDoc *pDoc = GetDocument();
	UpdateData(true);
	if(strcmp( pDoc->m_student[m_nCurrentNo].tel,m_tel))
	{ strcpy( pDoc->m_student[m_nCurrentNo].tel,m_tel);
	  pDoc->SetModifiedFlag();
	}
}

void CMySdiView::OnSelchangeCombo() 
{
	// TODO: Add your control notification handler code here
	CMySdiDoc *pDoc = GetDocument();
	m_nCurrentNo = m_noList.GetCurSel();
	m_name = pDoc->m_student[m_nCurrentNo].name;
	m_age  = pDoc->m_student[m_nCurrentNo].age;
	m_school=pDoc->m_student[m_nCurrentNo].school;
	m_sex   =pDoc->m_student[m_nCurrentNo].sex;
	m_tel   =pDoc->m_student[m_nCurrentNo].tel;

	UpdateData(false);
}

void CMySdiView::OnFileMyopen() 
{
	// TODO: Add your command handler code here
	CString strFilter = "Dat Files (*.dat)|*.dat|All Files (*.*)|*.*||";

	CFileDialog FileDlg(true, NULL, NULL, 
					   OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,
					  (LPCSTR)strFilter, this);
	if (FileDlg.DoModal() != IDOK)return;
	CString strFileName = FileDlg.GetPathName();
	CFile  f;

	if(!f.Open(strFileName,CFile::modeRead))
	{	
		AfxMessageBox("打开文件失败");
		return;
	} 
	CMySdiDoc *pDoc = GetDocument();
	f.Read(&m_nCurrentNo,sizeof(int));
	for(int i=0;i<40;i++){
		f.Read(pDoc->m_student[i].name,10);
		f.Read(pDoc->m_student[i].sex,3);
		f.Read(&(pDoc->m_student[i].age),sizeof(int));
		f.Read(pDoc->m_student[i].tel,14);
		f.Read(pDoc->m_student[i].school,50);
		}

	f.Close();
	m_noList.SetCurSel(m_nCurrentNo);           
	m_name = pDoc->m_student[m_nCurrentNo].name;
	m_age  = pDoc->m_student[m_nCurrentNo].age;
	m_school=pDoc->m_student[m_nCurrentNo].school;
	m_sex   =pDoc->m_student[m_nCurrentNo].sex;
	m_tel   =pDoc->m_student[m_nCurrentNo].tel;
    UpdateData(false);
}

void CMySdiView::OnFileMysave() 
{
	CString strFilter = "Dat Files (*.dat)|*.dat|All Files (*.*)|*.*||";

	CFileDialog FileDlg(false, NULL, NULL, 
					   OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,
					  (LPCSTR)strFilter, this);
	if (FileDlg.DoModal() != IDOK)return;
	CString strFileName = FileDlg.GetPathName();
	CFile  f;

	if(!f.Open(strFileName,CFile::modeCreate | CFile::modeWrite))
	{
		AfxMessageBox("创建文件失败");
		return;
	}
	CMySdiDoc *pDoc = GetDocument();

	f.Write(&m_nCurrentNo,sizeof(int));
	for(int i=0;i<40;i++){
		f.Write(pDoc->m_student[i].name,10);
		f.Write(pDoc->m_student[i].sex,3);
		f.Write(&(pDoc->m_student[i].age),sizeof(int));
		f.Write(pDoc->m_student[i].tel,14);
		f.Write(pDoc->m_student[i].school,50);
	}
	f.Close();
}