www.pudn.com > Observerwangdxh.zip > ProgInd.cpp

// ProgInd.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ProgInd.h" 
#include "Filler.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CProgressIndicator 
 
CProgressIndicator::CProgressIndicator( CFiller * pFiller ) : m_pFiller( pFiller ) 
{ 
	// Step 1 - Set m_bCreated to FALSE 
	m_bCreated = FALSE; 
	// Step 2 - Check and create m_pFiller 
	if( m_pFiller == NULL ) 
	{ 
		m_pFiller  = new CLToRFiller;	 
		m_bCreated = TRUE; 
	} 
	// Step 3 - Validate m_pFiller 
	ASSERT( m_pFiller != NULL ); 
} 
 
CProgressIndicator::~CProgressIndicator() 
{ 
	// Step 1 - Check and delete m_pFiller 
	if( m_bCreated == TRUE ) 
	{ 
		delete m_pFiller; 
	} 
} 
 
 
BEGIN_MESSAGE_MAP(CProgressIndicator, CWnd) 
	//{{AFX_MSG_MAP(CProgressIndicator) 
	ON_WM_PAINT() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CProgressIndicator methods 
 
CFiller * CProgressIndicator::GetFiller() 
{ 
	// Step 1 - Return m_pFiller 
	return m_pFiller; 
} 
 
INT CProgressIndicator::SetFiller( CFiller * pFiller ) 
{ 
	// Step 1 - Validate pFiller 
	ASSERT( pFiller != NULL ); 
	// Step 2 - Check and delete m_pFiller 
	if( m_bCreated == TRUE ) 
	{ 
		delete m_pFiller; 
		m_bCreated = FALSE; 
	} 
	// Step 3 - Set m_pFiller to the parameter passed 
	m_pFiller = pFiller; 
	return SUCCESS; 
} 
 
INT CProgressIndicator::SetText( LPCSTR lpszText ) 
{ 
	// Step 1 - Delegate and forward this to CFiller object 
	INT nRetVal = m_pFiller->SetFillerText( lpszText ); 
	Invalidate(); 
	return nRetVal; 
} 
 
INT CProgressIndicator::SetRange( INT nMinRange, INT nMaxRange ) 
{ 
	// Step 1 - Delegate and forward this to CFiller object 
	return m_pFiller->SetFillerRange( nMinRange, nMaxRange ); 
} 
 
INT CProgressIndicator::GetPos() 
{ 
	// Step 1 - Delegate and forward this to CFiller object 
	return m_pFiller->GetFillerPos(); 
} 
 
INT CProgressIndicator::SetPos( INT nPos ) 
{ 
	// Step 1 - Delegate and forward this to CFiller object 
	INT nOldPos = m_pFiller->SetFillerPos( nPos ); 
	Invalidate(); 
	return nOldPos; 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CProgressIndicator message handlers 
 
void CProgressIndicator::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
	// Step 1 - Get the client Rectangle 
	CRect Rect; 
	GetClientRect( & Rect ); 
	// Step 2 - Call DoFill to do the filling, based on the current situation 
	m_pFiller->DoFill( this, Rect ); 
}