// ex00dlg.cpp : implementation file
//

#include "ex00std.h"
#include "ex00mfc.h"
#include "ex00dlg.h"
#include "winmon.h"
#include "wildcard.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)
	virtual BOOL OnInitDialog();
	//}}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)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx00mfcDlg dialog

CEx00mfcDlg::CEx00mfcDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEx00mfcDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEx00mfcDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEx00mfcDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEx00mfcDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEx00mfcDlg, CDialog)
	//{{AFX_MSG_MAP(CEx00mfcDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_COMPRESS, OnCompress)
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	ON_BN_CLICKED(IDC_DECOMPRESS, OnDecompress)
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_BN_CLICKED(IDC_ABOUT, OnAbout)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx00mfcDlg message handlers

BOOL CEx00mfcDlg::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
	
	// TODO: Add extra initialization here
	
	m_lb = (CListBox *) GetDlgItem( IDC_LIST1 );
	m_compressor = new ALPkCompressor;
	m_decompressor = new ALPkDecompressor;
	m_storage = new ALWinMemory;
	
	LoadFiles();
    CAboutDlg dialog;
    dialog.DoModal();
    return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEx00mfcDlg::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 CEx00mfcDlg::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 CEx00mfcDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CEx00mfcDlg::LoadFiles()
{
    ALWildCardExpander files( "*.*" );
	char *p;

	while ( p = files.GetNextFile() )
	    m_lb->AddString( p );
}

void CEx00mfcDlg::UpdateStatus()
{
    CEdit *edit = (CEdit *)GetDlgItem( IDC_COMPRESSOR_STATUS );
    if ( edit && m_compressor )
        edit->SetWindowText( m_compressor->mStatus.GetStatusDetail() );
    edit = (CEdit *)GetDlgItem( IDC_DECOMPRESSOR_STATUS );
    if ( edit && m_decompressor )
        edit->SetWindowText( m_decompressor->mStatus.GetStatusDetail() );
    edit = (CEdit *)GetDlgItem( IDC_STORAGE_STATUS );
    if ( edit && m_storage )
        edit->SetWindowText( m_storage->mStatus.GetStatusDetail() );
}

BOOL CEx00mfcDlg::DestroyWindow()
{
	// TODO: Add your specialized code here and/or call the base class
	delete m_compressor;
	delete m_decompressor;
	delete m_storage;
	return CDialog::DestroyWindow();
}

void CEx00mfcDlg::OnCompress() 
{
	CListBox *list_box = (CListBox *) GetDlgItem( IDC_LIST1 );
	if ( list_box ) {
	    int sel = list_box->GetCurSel();
	    ALWindowsMessage monitor( AL_MONITOR_OBJECTS,
                                  0,
                                  AL_SEND_RATIO,
                                  ::GetDlgItem( m_hWnd,IDC_PROGRESS1 ),
                                  PBM_SETPOS );
        monitor.mlObjectStart = 0;
        monitor.mlObjectSize = -1L;
        CString filename;
        if ( sel >= 0 )
            list_box->GetText( sel, filename );
        else
            filename = "Intentionally bad name.doc";
        ALFile file( filename );
        file.mpMonitor = &monitor;
        m_compressor->Compress( file, *m_storage );
	}
    UpdateStatus();		
}

void CEx00mfcDlg::OnExit() 
{
	// TODO: Add your control notification handler code here
    PostMessage( WM_QUIT, 0, 0 );
}

void CEx00mfcDlg::OnDecompress() 
{
	// TODO: Add your control notification handler code here
    ALWindowsMessage monitor( AL_MONITOR_OBJECTS,
                              0,
                              AL_SEND_RATIO,
                              ::GetDlgItem( m_hWnd,IDC_PROGRESS1 ),
                              PBM_SETPOS );
    monitor.mlObjectStart = 0;
    monitor.mlObjectSize = m_storage->GetSize();
    ALFile file( "" );
    m_storage->mpMonitor = &monitor;
    m_decompressor->Decompress( *m_storage, file );
    file.Delete();
    m_storage->mpMonitor = 0;
    UpdateStatus();
}

void CEx00mfcDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
    m_compressor->ClearError();
    m_decompressor->ClearError();
    m_storage->ClearError();
    UpdateStatus();
	
}


char *msg =
"This example compressed and decompresses "
"files to and from an ALMemory object.  Pressing "
"the Compress button before any file is selected "
"will cause an error.  Likewise, pushing Decompress "
"before anything has been compressed causes an error. "
"Once one of the three objects is in an error state, it "
"stays that way until you manually clear it.";

BOOL CAboutDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
    CEdit *edit = (CEdit *) GetDlgItem( IDC_EDIT1 );
    if ( edit ) 
        edit->SetWindowText( msg );
    
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CEx00mfcDlg::OnAbout() 
{
	// TODO: Add your control notification handler code here
    CAboutDlg dialog;
    dialog.DoModal();
	
}