progressdlg.cpp

vc++网络程序设计实例详解 人民邮电出版社1-2章源码

// ProgressDlg.cpp : implementation file
//

#include "stdafx.h"
#include "RemoteAdmin.h"
#include "ProgressDlg.h"
#include "RemoteAdminDoc.h"
#include "GlobalMFCHelperFunc.h"
#include "ProgressWndThread.h"

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


IMPLEMENT_DYNCREATE(CProgressDlg, CDialog)

CProgressDlg::CProgressDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CProgressDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CProgressDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	m_pRemoteAdminDoc = NULL;
}


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


BEGIN_MESSAGE_MAP(CProgressDlg, CDialog)
	//{{AFX_MSG_MAP(CProgressDlg)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


void CProgressDlg::SetDlgTitle(CString strDlgTitle)
{
    SetWindowText(strDlgTitle);
}

void CProgressDlg::SetProgressText(CString strDlgProgressTxt)
{
    SetDlgItemText(IDC_PROGRESS, strDlgProgressTxt);
}

void CProgressDlg::IncrementProgressBar()
{
	UINT iConnectionsInProgress = m_pRemoteAdminDoc->GetNumberOfMachineConnectionsStillInProgress();
	
	CString strDlgProgressTxt;
	strDlgProgressTxt.Format("Connection request to %d machine(s) pending.....", iConnectionsInProgress);

	SetProgressText(strDlgProgressTxt);
    
	CProgressCtrl* pProgressCtrl = static_cast<CProgressCtrl*>(GetDlgItem(IDC_PROGRESS_BAR));
    pProgressCtrl->StepIt();
}

BOOL CProgressDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	CProgressCtrl* pProgressCtrl = static_cast<CProgressCtrl*>(GetDlgItem(IDC_PROGRESS_BAR));
    pProgressCtrl->SetRange32(0, 100);
    pProgressCtrl->SetStep(1);

	// Disable close button
	CMenu* pSysMenu = GetSystemMenu(FALSE);
	pSysMenu->DeleteMenu(SC_CLOSE, MF_BYCOMMAND);
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

BOOL CProgressDlg::Create()
{
	return CDialog::Create(CProgressDlg::IDD) ;
}

void CProgressDlg::OnTimer(UINT nIDEvent) 
{
	if (nIDEvent == TIMER_STEP)
    {
		if (m_pRemoteAdminDoc != NULL)
		{
			if (m_pRemoteAdminDoc->AreConnectionsStillPending() == FALSE)
			{
				DestroyProgressBarAndExitThread();				
			}
			else
			{
				IncrementProgressBar();
			}
		}
    }
	
	CDialog::OnTimer(nIDEvent);
}

void CProgressDlg::DestroyProgressBarAndExitThread()
{
	// Show zero connections pending on the progress bar
	CString strDlgProgressTxt = _T("No more connections pending !");
	SetProgressText(strDlgProgressTxt);
	::Sleep(1000);

	// Finish the progress dialog and exit the thread
	DestroyWindow();                    
	::AfxEndThread(0);
}