myphoneform.cpp

<win2k程序设计>的源码.麦格劳希尔,清华出版.作者:Raj Rajagopal & Subodh Monica

// MyPhoneForm.cpp : implementation of the CMyPhoneForm class
//

#include "stdafx.h"
#include "MyPhone.h"

#include "MyPhoneSet.h"
#include "MyPhoneDoc.h"
#include "MyPhoneForm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyPhoneForm

IMPLEMENT_DYNCREATE(CMyPhoneForm, CRecordView)

BEGIN_MESSAGE_MAP(CMyPhoneForm, CRecordView)
	//{{AFX_MSG_MAP(CMyPhoneForm)
	ON_COMMAND(ID_RECORD_ADD, OnRecordAdd)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CMyPhoneForm construction/destruction

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

CMyPhoneForm::~CMyPhoneForm()
{
}

void CMyPhoneForm::DoDataExchange(CDataExchange* pDX)
{
	CRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMyPhoneForm)
	DDX_Control(pDX, IDC_LASTNAME, m_ctlLastName);
	DDX_Control(pDX, IDC_FIRSTNAME, m_ctlFirstName);
	DDX_FieldText(pDX, IDC_FIRSTNAME, m_pSet->m_FirstName, m_pSet);
	DDX_FieldText(pDX, IDC_LASTNAME, m_pSet->m_LastName, m_pSet);
	DDX_FieldText(pDX, IDC_PHONENUMBER, m_pSet->m_Phone, m_pSet);
	DDX_FieldText(pDX, IDC_NOTES, m_pSet->m_Notes, m_pSet);
	//}}AFX_DATA_MAP
}

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

	return CRecordView::PreCreateWindow(cs);
}

void CMyPhoneForm::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_myPhoneSet;
	m_pSet->m_strSort="FirstName"; // sort by first name
	CRecordView::OnInitialUpdate();
}

/////////////////////////////////////////////////////////////////////////////
// CMyPhoneForm printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyPhoneForm diagnostics

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

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

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

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


/////////////////////////////////////////////////////////////////////////////
// CMyPhoneForm message handlers

void CMyPhoneForm::OnRecordAdd() 
{
	// TODO: Add your command handler code here
	if (m_bAddMode) {
		OnMove(ID_RECORD_FIRST);
	}
	m_pSet->AddNew();
	m_pSet->SetFieldNull(NULL, FALSE);
	m_pSet->SetFieldNull(NULL, FALSE);
	m_bAddMode=TRUE;
	m_ctlFirstName.SetReadOnly(FALSE);
	m_ctlLastName.SetReadOnly(FALSE);
	UpdateData(FALSE);
}


BOOL CMyPhoneForm::OnMove(UINT nIDMoveCommand) 
{
	// TODO: Add your specialized code here and/or call the base class
	if (m_bAddMode) {
		if (!UpdateData()) {
			return FALSE;
		}
		try {
			m_pSet->Update();
		} catch (CDBException e) {
			AfxMessageBox(e.m_strError);
			return FALSE;
		}
		m_pSet->Requery();
		UpdateData(FALSE);
		m_ctlFirstName.SetReadOnly(TRUE);
		m_ctlLastName.SetReadOnly(TRUE);
		m_bAddMode=FALSE;
		return TRUE;
	} else {
		return CRecordView::OnMove(nIDMoveCommand);
	}
}