// AddressBookDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AddressBook.h"
#include "AddressBookDlg.h"
#include "io.h"

#include "about.h"

#define DATA_FILE _T("AddressBook.dat")

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

/////////////////////////////////////////////////////////////////////////////
// CAddressBookDlg dialog

CAddressBookDlg::CAddressBookDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAddressBookDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAddressBookDlg)
	m_strAddress1 = _T("");
	m_strAddress2 = _T("");
	m_strCity = _T("");
	m_strState = _T("");
	m_strZip = _T("");
	m_strHomePhone = _T("");
	m_strWorkPhone = _T("");
	m_strEmail = _T("");
	m_strWebPage = _T("");
	m_strNotes = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CAddressBookDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAddressBookDlg)
	DDX_Control(pDX, IDC_CBO_NAMES, m_cboNames);
	DDX_Control(pDX, IDC_BTN_WEB_PAGE, m_btnWebPage);
	DDX_Control(pDX, IDC_BTN_EMAIL, m_btnEmail);
	DDX_Text(pDX, IDC_EDT_ADDR1, m_strAddress1);
	DDX_Text(pDX, IDC_EDT_ADDR2, m_strAddress2);
	DDX_Text(pDX, IDC_EDT_CITY, m_strCity);
	DDX_Text(pDX, IDC_EDT_STATE, m_strState);
	DDX_Text(pDX, IDC_EDT_ZIPCODE, m_strZip);
	DDX_Text(pDX, IDC_EDT_HOME_PHONE, m_strHomePhone);
	DDX_Text(pDX, IDC_EDT_WORK_PHONE, m_strWorkPhone);
	DDX_Text(pDX, IDC_EDT_EMAIL, m_strEmail);
	DDX_Text(pDX, IDC_EDT_WEB_PAGE, m_strWebPage);
	DDX_Text(pDX, IDC_EDT_NOTES, m_strNotes);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAddressBookDlg, CDialog)
	//{{AFX_MSG_MAP(CAddressBookDlg)
	ON_WM_SYSCOMMAND()
	ON_BN_CLICKED(ID_APP_ABOUT, OnAbout)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_CBN_SELCHANGE(IDC_CBO_NAMES, OnSelchangeCboNames)
	ON_BN_CLICKED(IDC_BTN_WEB_PAGE, OnBtnWebPage)
	ON_BN_CLICKED(IDC_BTN_SAVE, OnBtnSave)
	ON_BN_CLICKED(IDC_BTN_CLOSE, OnBtnClose)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAddressBookDlg message handlers

BOOL CAddressBookDlg::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);
	if (pSysMenu != NULL)
	{
		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
	
	// TODO: Add extra initialization here
	LoadRecords();
	FillContactsComboBox();	
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CAddressBookDlg::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 CAddressBookDlg::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();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CAddressBookDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CAddressBookDlg::OnAbout()
{
 CAboutDlg().DoModal();
}

void CAddressBookDlg::OnDestroy()
{
 CDialog::OnDestroy();

 POSITION pos;
 CString strKey;
 CContact* pContact;

 pos = m_Contacts.GetStartPosition();
 while(NULL != pos)
 {
  m_Contacts.GetNextAssoc(pos, strKey, pContact);
  if (pContact)
  {
   m_Contacts.RemoveKey(strKey);
   delete pContact;
  }
 }
 ASSERT(NULL == m_Contacts.GetCount());
}

void CAddressBookDlg::OnSelchangeCboNames()
{
 int iIndex = m_cboNames.GetCurSel();
 if (CB_ERR != iIndex)
 {
  CContact* pContact =
  (CContact*)m_cboNames.GetItemData(iIndex);

  ASSERT(pContact);
  if (pContact)
  {
   m_strAddress1 = pContact->m_strAddress1;
   m_strAddress2 = pContact->m_strAddress2;
   m_strCity = pContact->m_strCity;
   m_strState = pContact->m_strState;
   m_strZip = pContact->m_strZip;
   m_strNotes = pContact->m_strNotes;
   m_strHomePhone = pContact->m_strHomePhone;
   m_strWorkPhone = pContact->m_strWorkPhone;
   m_strEmail = pContact->m_strEmail;
   m_strWebPage = pContact->m_strWebPage;

   UpdateData(FALSE);
  }
 }
}

void CAddressBookDlg::OnBtnWebPage()
{
 if (UpdateData(TRUE))
 {
  if (!m_strWebPage.IsEmpty())
  {
   if (32 >= (int)ShellExecute(NULL, "open",
    m_strWebPage, NULL, NULL, SW_SHOWNORMAL))
   {
    AfxMessageBox("::ShellExecute failed "
    "to open this link!");
   }
  }
  else
  {
   AfxMessageBox("You must first specify a URL");
  }
 }
}

void CAddressBookDlg::Serialize(CArchive& ar) 
{
	m_Contacts.Serialize(ar);
 	if (ar.IsStoring())
	{	// storing code
	}
	else
	{	// loading code
	}
}

BOOL CAddressBookDlg::CanSerialize()
{
 return (0 == _access(DATA_FILE, 6));
}

void CAddressBookDlg::LoadRecords()
{
 if (CanSerialize())
 {
  CFile file;
  CFileException fe;

  if (file.Open(DATA_FILE, 
  CFile::typeBinary | CFile::modeRead, &fe))
  {
   CArchive ar(&file, CArchive::load);
   Serialize(ar);
  }
 }
}

void CAddressBookDlg::FillContactsComboBox()
{
 POSITION pos;
 CString strKey;
 CContact* pContact;

 int iIndex;

 pos = m_Contacts.GetStartPosition();
 while(NULL != pos)
 {
  m_Contacts.GetNextAssoc(pos, strKey, pContact);
  if (pContact)
  {
   if (CB_ERR != (iIndex =
   m_cboNames.AddString(pContact->m_strName)))
   {
    m_cboNames.SetItemData(iIndex, (DWORD)pContact);
   }
  }
 }	
}

void CAddressBookDlg::SaveRecords()
{
 BOOL bCanSave = FALSE;

 UINT nFlags = CFile::typeBinary | CFile::modeWrite;

 // file doesn't exist, so create it
 if (_access(DATA_FILE, 0))
 {
  nFlags |= CFile::modeCreate;
  bCanSave = TRUE;
 }
 else
 {
  bCanSave = CanSerialize();
 }

 if (bCanSave)
 {
  CFile file;
  CFileException fe;

  // file exists with read & write permissions
  if (file.Open(DATA_FILE, nFlags, &fe))
  {
   CArchive ar(&file, CArchive::store);
   Serialize(ar);
  }
 }
}

void CAddressBookDlg::OnBtnSave() 
{
 if (UpdateData(TRUE))
 {
  CContact* pContact = NULL;

  CString strName;
  m_cboNames.GetWindowText(strName);
  if (0 != strName.GetLength())
  {
   if (!m_Contacts.Lookup(strName, (CContact*)pContact))
   {
    pContact = new CContact;
    int iIndex = m_cboNames.AddString(strName);
    if (CB_ERR != iIndex)
    {
     m_cboNames.SetItemData(iIndex, (DWORD)pContact);
     m_Contacts.SetAt(strName, pContact);
    }
   }

   if (pContact)
   {
    pContact->m_strName = strName;
    pContact->m_strAddress1 = m_strAddress1;
    pContact->m_strAddress2 = m_strAddress2;
    pContact->m_strCity = m_strCity;
    pContact->m_strState = m_strState;
    pContact->m_strZip = m_strZip;
    pContact->m_strNotes = m_strNotes;
    pContact->m_strHomePhone = m_strHomePhone;
    pContact->m_strWorkPhone = m_strWorkPhone;
    pContact->m_strEmail = m_strEmail;
    pContact->m_strWebPage = m_strWebPage;
   }
  }
	InitializeDialog();
 }
}

void CAddressBookDlg::OnBtnClose() 
{
 SaveRecords();
 OnOK();
}

void CAddressBookDlg::InitializeDialog()
{
	m_cboNames.SetCurSel(CB_ERR);
	m_strAddress1 = _T("");
	m_strAddress2 = _T("");
	m_strCity = _T("");
	m_strState = _T("");
	m_strZip = _T("");
	m_strHomePhone = _T("");
	m_strWorkPhone = _T("");
	m_strEmail = _T("");
	m_strWebPage = _T("");
	m_strNotes = _T("");

	UpdateData(FALSE);

	m_cboNames.SetFocus();
}