helloldciappui.cpp

symbian有关文件操作的一个很好的例子

/* Copyright (c) 2009, Nokia. All rights reserved */

#include <avkon.hrh>
#include <aknnotewrappers.h> 
#include <eikapp.h>
#include <helloldci.mbg>
#include "HelloLDCI.pan"
#include "HelloLDCIAppUi.h"
#include "GridView.h"
#include "TempView.h"
#include "ColorView.h"
#include "SingleListView.h"
#include "HelloLDCI.hrh"

void CHelloLDCIAppUi::ConstructL()
    {
    BaseConstructL(EAknEnableSkin);

	m_pTempView = CTempView::NewL();
	AddViewL(m_pTempView);
 
	m_pColorView = CColorView::NewL();
	AddViewL(m_pColorView);
 	
	m_pSingleListView = CSingleListView::NewL();
	AddViewL(m_pSingleListView);
 
	m_pGridView = CGridView::NewL();
	AddViewL(m_pGridView);
 
 	SetDefaultViewL(*m_pTempView);
    }

CHelloLDCIAppUi::CHelloLDCIAppUi()                              
    {
    // add any construction that cannot leave here
    }

CHelloLDCIAppUi::~CHelloLDCIAppUi()
    {

    }

void CHelloLDCIAppUi::HandleCommandL(TInt aCommand)
    {
    switch(aCommand)
        {
        case EEikCmdExit:
        case EAknSoftkeyExit:
            Exit();
            break;

     
		case EHelloLDCIOpen:
            {
				TRAPD(result,User::LeaveNoMemory());
				if(result != KErrNone)
				{
					iEikonEnv->InfoMsg(_L("error!"));
				}
			}
            break;

		case EHelloLDCITemp:	//Tempview
			{
				ActivateLocalViewL(TUid::Uid(3));
			}
			break;

		case EHelloLDCIColor: //ColorView7
			{
				ActivateLocalViewL(TUid::Uid(4));
			}
			break;
        default:
            Panic(EHelloLDCIBasicUi);
            break;
        }
    }
void CHelloLDCIAppUi::GetAppPath(TDes& aPath)
{
	TFileName appFullName;
	appFullName = Application()->AppFullName();
	TParsePtr parse(appFullName);
	aPath.Copy(parse.DriveAndPath());
}

CGulIcon* CHelloLDCIAppUi::LoadGraphicsL(TInt aType)
{
	TBuf<KMaxPath> pathAppMbm;
#ifdef __WINS__
	pathAppMbm.Copy(_L("\\system\\apps\\HELLOLDCI\\HELLOLDCI.MBM"));
#else
	GetAppPath(pathAppMbm);
	pathAppMbm.Append(_L("HELLOLDCI.MBM"));
#endif

	switch(aType)
	{
	case 0:
		return iEikonEnv->CreateIconL(pathAppMbm, EMbmHelloldciGriditem_i, EMbmHelloldciGriditem_m);
	default:
		return NULL;
	}
}