// EmpDlg.cpp : implementation file
//
#include "stdafx.h"
#include "Emp.h"
#include "EmpDlg.h"
#ifdef _DEBUG
//#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEmpDlg dialog
CEmpDlg::CEmpDlg(CWnd* pParent /*=NULL*/)
: CDialog(CEmpDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CEmpDlg)
m_nEmpNum = 0;
m_strFirstName = _T("");
m_strHomePhone = _T("");
m_strLastName = _T("");
m_strTitle = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
CEmpDlg::~CEmpDlg()
{
if (m_pBiz != NULL)
delete m_pBiz;
}
void CEmpDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CEmpDlg)
DDX_Text(pDX, IDC_EMPNUM, m_nEmpNum);
DDX_Text(pDX, IDC_FIRSTNAME, m_strFirstName);
DDX_Text(pDX, IDC_HOMEPHONE, m_strHomePhone);
DDX_Text(pDX, IDC_LASTNAME, m_strLastName);
DDX_Text(pDX, IDC_TITLE, m_strTitle);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CEmpDlg, CDialog)
//{{AFX_MSG_MAP(CEmpDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(ID_EDIT_ADD, OnEditAdd)
ON_BN_CLICKED(ID_EDIT_DELETE, OnEditDelete)
ON_BN_CLICKED(ID_EDIT_NEXT, OnEditNext)
ON_BN_CLICKED(ID_EDIT_PREVIOUS, OnEditPrevious)
ON_BN_CLICKED(ID_EDIT_FIRST, OnEditFirst)
ON_BN_CLICKED(ID_EDIT_LAST, OnEditLast)
ON_BN_CLICKED(ID_EDIT_FINDF, OnEditFindF)
ON_BN_CLICKED(ID_APP_OPEN_RECORD, OnAppOpenRecord)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEmpDlg message handlers
BOOL CEmpDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE);// Set big icon
SetIcon(m_hIcon, FALSE);// Set small icon
//Never enable the employee ID
(GetDlgItem(IDC_EMPNUM))->EnableWindow(FALSE);
// TODO: Add extra initialization here
m_pBiz = new CEmpBiz;
return TRUE; // return TRUE unless you set the focus to a control
}
void CEmpDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CEmpDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
try
{
m_nEmpNum = m_pBiz->GetEmployeeId();
m_strFirstName = m_pBiz->GetFirstName();
m_strLastName = m_pBiz->GetLastName();
m_strHomePhone = m_pBiz->GetHomePhone();
m_strTitle = m_pBiz->GetTitle();
}
catch (HRESULT hr)
{
TCHAR szBuf[256];
MessageBeep(0);
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
return ;
}
UpdateData(FALSE); //Invoke Data Exchange (copy member data to form controls)
return ;
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CEmpDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CEmpDlg::OnEditAdd()
{
// TODO: Add your control notification handler code here
try
{
if(!CommitAlteredEmpRec())
return;
m_pBiz->AddRecord();
OnPaint();
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
MessageBeep(0);
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
return ;
}
void CEmpDlg::OnEditDelete()
{
// TODO: Add your control notification handler code here
try
{
//Delete method depends on current mode
m_pBiz->DeleteRecord();
OnPaint();
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
MessageBeep(0);
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
return ;
}
void CEmpDlg::OnEditNext()
{
// TODO: Add your control notification handler code here
if(!CommitAlteredEmpRec())
return;
try
{
if(m_pBiz->MoveNext())
OnPaint();
else
MessageBeep(0);
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
}
void CEmpDlg::OnEditPrevious()
{
// TODO: Add your control notification handler code here
if(!CommitAlteredEmpRec())
return;
try
{
if(m_pBiz->MovePrevious())
OnPaint();
else
MessageBeep(0);
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
}
void CEmpDlg::OnEditFirst()
{
// TODO: Add your control notification handler code here
if(!CommitAlteredEmpRec())
return;
try
{
if(m_pBiz->MoveFirst())
OnPaint();
else
MessageBeep(0);
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
}
void CEmpDlg::OnEditLast()
{
// TODO: Add your control notification handler code here
if(!CommitAlteredEmpRec())
return;
try
{
if(m_pBiz->MoveLast())
OnPaint();
else
MessageBeep(0);
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
}
void CEmpDlg::OnEditFindF()
{
try
{
if(m_pBiz->FindForward(PrepareCriteria()))
{
OnPaint();
}
else
{//not found.
MessageBeep(0);
//.. Should return to the last visited record.
}
}
catch( HRESULT hr )
{
TCHAR szBuf[256];
MessageBeep(0);
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
}
}
BOOL CEmpDlg::CommitAlteredEmpRec()
{
CStringstrOldFirstName, strOldHomePhone, strOldLastName, strOldTitle;
COleVariantvFirstName, vHomePhone, vLastName, vTitle, vID;
if (!m_pBiz->m_fConnected)
return FALSE;
//Get current record string values
try
{
strOldFirstName = m_pBiz->GetFirstName();
strOldLastName = m_pBiz->GetLastName();
strOldHomePhone = m_pBiz->GetHomePhone();
strOldTitle = m_pBiz->GetTitle();
}
catch(HRESULT hr )
{
TCHAR szBuf[256];
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
return FALSE;
}
//Force DDX to update member values
if(!UpdateData())
return FALSE;
// Did any fields change value?
if(
(m_strFirstName== strOldFirstName) &&
(m_strHomePhone== strOldHomePhone) &&
(m_strLastName== strOldLastName) &&
(m_strTitle== strOldTitle) && !m_pBiz->IsAddMode() )
return TRUE;
//Save it, dump it or stay on it?
switch (AfxMessageBox(IDS_PROMPT_COMMIT_EMPREC, MB_YESNOCANCEL))
{
case IDYES:
{
try
{
m_pBiz->UpdateEmpRec(m_strFirstName,
m_strHomePhone,
m_strLastName,
m_strTitle);
}
catch (CMemoryException &memx)
{
TCHAR szBuf[256];
memx.GetErrorMessage(szBuf, sizeof(szBuf), NULL);
AfxMessageBox(szBuf);
return FALSE;
}
catch(HRESULT hr )
{
TCHAR szBuf[256];
wsprintf(szBuf, _T("Error: %X \n"), hr);
AfxMessageBox(szBuf);
return FALSE;
}
return TRUE;
}
case IDNO:
{
return TRUE;
}
default:
{
GetDlgItem(IDC_EMPNUM)->SetFocus();
return TRUE;
}
}
return TRUE;
}
CString CEmpDlg::PrepareCriteria()
{
CStringstrCriteria = "";
//Force DDX to update member values
if(!UpdateData())
return strCriteria;
if(m_strFirstName != "")
strCriteria = "FirstName = '" + m_strFirstName +"'";
if(m_strLastName != "")
strCriteria = strCriteria + ( strCriteria == "" ? "":" AND ") + "LastName = '" + m_strLastName +"'";
if(m_strHomePhone != "")
strCriteria = strCriteria + ( strCriteria == "" ? "":" AND ") + "HomePhone = '" + m_strHomePhone +"'";
if(m_strTitle != "")
strCriteria = strCriteria + ( strCriteria == "" ? "":" AND ") + "Title = '" + m_strTitle +"'";
return strCriteria;
}
void CEmpDlg::OnAppOpenRecord()
{
// TODO: Add your control notification handler code here
//Connect to the EMPLOYEE database
if(!m_pBiz->ConnectToDatabase())
{
m_pBiz->m_fConnected = FALSE;
return;
}
m_pBiz->m_fConnected = TRUE;
GetDlgItem(ID_EDIT_PREVIOUS)->EnableWindow(TRUE);
GetDlgItem(ID_EDIT_NEXT)->EnableWindow(TRUE);
GetDlgItem(ID_EDIT_DELETE)->EnableWindow(TRUE);
GetDlgItem(ID_EDIT_ADD)->EnableWindow(TRUE);
GetDlgItem(ID_EDIT_LAST)->EnableWindow(TRUE);
GetDlgItem(ID_EDIT_FIRST)->EnableWindow(TRUE);
GetDlgItem(ID_EDIT_FINDF)->EnableWindow(TRUE);
OnPaint();
}