colorview.cpp

symbian有关文件操作的一个很好的例子

/* Copyright (c) 2007, Nokia. All rights reserved */
#include <HelloLDCI.rsg>
#include <akntitle.h> 
#include <aknnotewrappers.h> 
#include "HelloLDCIAppUi.h"
#include "ColorView.h"
#include "ColorContainer.h"
#include "HelloLDCI.hrh"

CColorView* CColorView::NewL()
{
    CColorView* self = NewLC();
    CleanupStack::Pop(self);
    return self;
}

CColorView* CColorView::NewLC()
{
    CColorView* self = new (ELeave) CColorView();
    CleanupStack::PushL(self);
    self->ConstructL();
    return self;
}

void CColorView::ConstructL()
{
	BaseConstructL(R_HL_COLOR_VIEW);
	
}

CColorView::CColorView()
{
	m_pAppContainer = NULL;
}


CColorView::~CColorView()
{
}

TUid CColorView::Id() const
{
	return TUid::Uid(EColorViewID);
}

void CColorView::HandleCommandL(TInt aCommand)
{
	switch(aCommand)
	{
	case ELDColorOK:
		{
			TBuf<32> buf;
			m_pAppContainer->GetEditText(buf);
		CAknInformationNote* note = new(ELeave)CAknInformationNote;
		note->ExecuteLD(buf);
		}
		break;
	case ELDColorReturn:
		AppUi()->ActivateLocalViewL(TUid::Uid(EGridViewID));
	    break;
	default:
		AppUi()->HandleCommandL(aCommand);
	    break;
	}
	
}

void CColorView::HandleClientRectChange()
{

}

void CColorView::DoActivateL(const TVwsViewId&, TUid, const TDesC8&)
{
	m_pAppContainer = new( ELeave ) CColorContainer();
	m_pAppContainer->SetMopParent(this);
	m_pAppContainer->ConstructL( TRect(TPoint(0,44),TSize(176,144)));	
	AppUi()->AddToStackL( *this, m_pAppContainer );
	//修改标题
	CEikStatusPane* sp=StatusPane();
	CAknTitlePane* titlePane = (CAknTitlePane*) sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle));
	titlePane->SetTextL(_L("Color View"));
}

void CColorView::DoDeactivate()
{
	if(m_pAppContainer)
	{
		AppUi()->RemoveFromStack( m_pAppContainer );
		delete m_pAppContainer;
		m_pAppContainer = NULL;
	}
}