strategydlg.cpp

在C++程序中使用Strategy模板

// StrategyDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Strategy.h"
#include "StrategyDlg.h"
#include "Filler.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()

/////////////////////////////////////////////////////////////////////////////
// CStrategyDlg dialog

CStrategyDlg::CStrategyDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CStrategyDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CStrategyDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	// Step 1 - Create two progress indicators
	m_pProgInd1 = new CProgressIndicator; // Use default filler object
	ASSERT( m_pProgInd1 != NULL );
	m_pProgInd2 = new CProgressIndicator( new CRToLFiller );
	ASSERT( m_pProgInd2 != NULL );
}

CStrategyDlg::~CStrategyDlg()
{
	// Step 1 - Get Filler object and delete
	CFiller * pRToLFiller = m_pProgInd2->GetFiller();
	delete pRToLFiller;
	// Step 2 - Do cleanup
	delete m_pProgInd1;
	delete m_pProgInd2;
}

void CStrategyDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStrategyDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CStrategyDlg, CDialog)
	//{{AFX_MSG_MAP(CStrategyDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	ON_BN_CLICKED(IDABOUT, OnAbout)
	ON_BN_CLICKED(IDSTARTFILL, OnStartfill)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStrategyDlg message handlers

// 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 CStrategyDlg::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();
	}
}

void CStrategyDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

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

BOOL CStrategyDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Step 1 - 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);
		}
	}

	// Step 2 - 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
	
	// Step 3 - Call base class method to do the initialization
	CDialog::OnInitDialog();
	// Step 4 - Create Progress controls
	CWnd * pWnd = GetDlgItem( IDC_PI_CTRL1 );
	ASSERT(pWnd);
	CRect r;
	pWnd->GetWindowRect( r );
	ScreenToClient( r );
	VERIFY( m_pProgInd1->Create( NULL, "PI1",  WS_CHILD | WS_VISIBLE | WS_BORDER, 
		r, this, IDC_PI_CTRL1 ) );
	pWnd = GetDlgItem( IDC_PI_CTRL2 );
	ASSERT(pWnd);
	pWnd->GetWindowRect( r );
	ScreenToClient( r );
	VERIFY( m_pProgInd2->Create( NULL, "PI2",  WS_CHILD | WS_VISIBLE | WS_BORDER, 
		r, this, IDC_PI_CTRL2 ) );
	m_pProgInd2->SetText( "Please wait..." );
	return TRUE;
}

void CStrategyDlg::OnTimer(UINT nIDEvent) 
{
	// Step 1 - Set position for status controls
	m_pProgInd1->SetPos( m_pProgInd1->GetPos() + 5 );
	m_pProgInd2->SetPos( m_pProgInd2->GetPos() + 5 );
	// Step 2 - Kill the timer, if needed
	if( m_pProgInd1->GetPos() >= 100 )
	{       
		KillTimer(1);
	}
	CDialog::OnTimer(nIDEvent);
}

void CStrategyDlg::OnAbout() 
{
	CAboutDlg dlgAbout;
	dlgAbout.DoModal();
}

void CStrategyDlg::OnCancel()
{
	CDialog::OnCancel();
}

void CStrategyDlg::OnStartfill() 
{
	// Step 1 - Reset positions when timer is newly started
	m_pProgInd1->SetPos( 0 );
	m_pProgInd2->SetPos( 0 );
	// Step 2 - Start the timer
	SetTimer(1, 100, NULL);		
}