singlelistview.cpp

symbian有关文件操作的一个很好的例子

/*
* ============================================================================
*  Name     : CSingleListView from CAknView
*  Part of  : Hello
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

// INCLUDE FILES
#include <aknviewappui.h>
#include <akntitle.h> 
#include <avkon.hrh>
#include <HelloLdci.rsg>
#include <HelloLdci.mbg>		//for mbm file
#include "HelloLdci.hrh"
#include "SingleListView.h"
#include "SingleListContainer.h" 
#include "HelloLdciAppUi.h"		//for CMyHelloAppUi

// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that
// might leave.
//
CSingleListView* CSingleListView::NewL()
{
    CSingleListView* self = NewLC();
    CleanupStack::Pop(self);
    return self;
}

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

CSingleListView::CSingleListView()
    {
		m_nNumber  = 0;
    }

// EPOC default constructor can leave.
void CSingleListView::ConstructL()
    {
    BaseConstructL(R_HL_SINGLELIST_VIEW);
    }

// Destructor
CSingleListView::~CSingleListView()
    {

    }

// ---------------------------------------------------------
// TUid CSingleListView::Id()
// Returns Id of the view.
// ---------------------------------------------------------
TUid CSingleListView::Id() const
    {
    return TUid::Uid(ESingleListViewID);
    }


// ---------------------------------------------------------
// CSingleListView::HandleCommandL(TInt aCommand)
// Handles commands
// ---------------------------------------------------------
void CSingleListView::HandleCommandL(TInt aCommand)
{   
	switch(aCommand)
	{
	case EHLSingListAdd:
		for (m_nNumber = 0;m_nNumber<5;m_nNumber++)
		{
			iContainer->AddInfoToList(m_nNumber,_L("single list content"));
		}
	
		break;
	case EHLSingListDel:
			iContainer->DelInfoFromList();
		break;
	default:
		{
			AppUi()->HandleCommandL(aCommand);
			break;
		}
	}
}
// ---------------------------------------------------------
// CSingleListView::HandleClientRectChange()
// Handles client rect change.
// ---------------------------------------------------------
void CSingleListView::HandleClientRectChange()
    {
    if (iContainer)
        {
        iContainer->SetRect(ClientRect());
        }
    }

// ---------------------------------------------------------
// CSingleListView::DoActivateL(...)
// Creates the Container class object.
// ---------------------------------------------------------
void CSingleListView::DoActivateL(const TVwsViewId& /*aPrevViewId*/,
                                    TUid /*aCustomMessageId*/,
                                    const TDesC8& /*aCustomMessage*/)
    {
    iContainer = new (ELeave) CSingleListContainer;
    iContainer->SetMopParent(this);
	TRect rc;
	rc.SetRect(ClientRect().iTl, TSize(176, 144));
    iContainer->ConstructL(rc);
    AppUi()->AddToStackL(*this, iContainer);

	//修改标题
	CEikStatusPane* sp=StatusPane();
	CAknTitlePane* titlePane = (CAknTitlePane*) sp->ControlL(TUid::Uid(EEikStatusPaneUidTitle));
	titlePane->SetTextL(_L("SingleListView"));
}

// ---------------------------------------------------------
// CSingleListView::DoDeactivate()
// Deletes the Container class object.
// ---------------------------------------------------------
void CSingleListView::DoDeactivate()
    {
    if (iContainer)
	{
        AppUi()->RemoveFromStack(iContainer);
		
		delete iContainer;
		iContainer = NULL;
	}
	}

// End of File