/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*     Defines CApNetSelPopupList for access point selection.

*

*/

// INCLUDE FILES

#include <ApNetworkItem.h>

#include <csxhelp/cp.hlp.hrh>

#include <featmgr.h>

#include "ApSettingsHandlerUI.hrh"

#include "ApNetSelPopupList.h"

#include "ApNetSelectorListBoxModel.h"

#include "ApSettingsModel.h"

#include "ApsettingshandleruiImpl.h"

#include "ApSettingsHandlerLogger.h"

#include "AccessPointTextSettingPage.h"

#include <ApProtHandler.h>  // for protection of settings

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

// ---------------------------------------------------------

// CApNetSelPopupList::NewL

// ---------------------------------------------------------

//

CApNetSelPopupList* CApNetSelPopupList::NewL( CApSettingsModel& aModel,

                                       CApSettingsHandlerImpl& aHandler,

                                       TInt& aCurrentSelectionIndex,

                                       TInt& aPreferredUid,

                                       TUint32& aEventStore,

                                       CDesCArrayFlat* aItemArray,

                                       TBool aNeedsNone )

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::NewL")

    CApNetSelPopupList* self = 

        new ( ELeave ) CApNetSelPopupList(

                                         aModel, aHandler,

                                         aCurrentSelectionIndex,

                                         aPreferredUid, aItemArray,

                                         aEventStore, aNeedsNone

                                         );

//  till that point, object is only partially constructed!

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::NewL")

    return self;

    }

// ---------------------------------------------------------

// CApNetSelPopupList::ConstructL

// ---------------------------------------------------------

//

void CApNetSelPopupList::ConstructL()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::ConstructL")

    FeatureManager::InitializeLibL();

    iHelpSupported = FeatureManager::FeatureSupported( KFeatureIdHelp );

    iProtectionSupported = FeatureManager::FeatureSupported( 

                                           KFeatureIdSettingsProtection );

    FeatureManager::UnInitializeLib();

    CAknRadioButtonSettingPage::ConstructL();

    iList = ListBoxControl();

    iModel = new( ELeave )CApNetSelectorListboxModel();

    iList->Model()->SetItemTextArray( iModel );

    FillListBoxWithDataL();

    iDataModel->Database()->AddObserverL( this );

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::ConstructL")

    }

// Destructor

CApNetSelPopupList::~CApNetSelPopupList()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::~CApNetSelPopupList")

    if ( iDataModel )

        {

        if ( iDataModel->Database() )

            {

            // must remove observer here as there is a chance that we do not exit

            // through the standard way but through Leave(KErrLeaveWithoutAlert)...

            iDataModel->Database()->RemoveObserver( this );            

            }

        }

    if ( iModel )

        {

        iModel->ResetAndDestroy();

        delete iModel;

        }

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::~CApNetSelPopupList")

    }

// Constructor

CApNetSelPopupList::CApNetSelPopupList(

                                 CApSettingsModel& aModel,

                                 CApSettingsHandlerImpl& aHandler,

                                 TInt& aIndex, TInt& aPreferredUid,

                                 CDesCArrayFlat* aItemArray,

                                 TUint32& aEventStore, TBool aNeedsNone

                                 )

:CAknRadioButtonSettingPage( R_POPUP_LIST_NETWORK_SETTING_PAGE, 

                             aIndex, aItemArray ),

iDataModel( &aModel ),

iSelected( &aPreferredUid ),

iHandler( &aHandler ),

iEventStore( &aEventStore ),

iNeedsNone( aNeedsNone ),

iNeedUnlock( EFalse )

    {

    }

// ---------------------------------------------------------

// CApNetSelPopupList::SetHighlighted()

// called when needs to change the highlighting

// ---------------------------------------------------------

//

void CApNetSelPopupList::SetHighlighted()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::SetHighlighted")

    if ( iPreferredUid )

        {

        TInt err( KErrNone );

        TInt idx = iModel->Item4Uid( iPreferredUid, err );

        // if UID exists, set as current, else set 0 as current.

        if ( err == KErrNone )

            {

            iList->SetCurrentItemIndexAndDraw( idx );

            iPreferredUid = 0;

            }

        else

            {

            iList->SetCurrentItemIndexAndDraw( 0 );

            }

        }

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::SetHighlighted")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::GetHelpContext()

// ---------------------------------------------------------

//

void CApNetSelPopupList::GetHelpContext(TCoeHelpContext& aContext) const

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::GetHelpContext")

    aContext.iMajor = iHandler->iHelpMajor;

    // help no longer available for user, use dummy ID

    aContext.iContext = KSET_HLP_AP_SETTING_GPRS;

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::GetHelpContext")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::HandleApDbEventL

// called by the active access point framework

// ---------------------------------------------------------

//

void CApNetSelPopupList::HandleApDbEventL( TEvent anEvent )

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::HandleApDbEventL")

    switch ( anEvent )

        {

        case EDbChanged:

            {

            FillListBoxWithDataL();

            break;

            }

        case EDbClosing:

            {

            break;

            }

        case EDbAvailable:

            {

            if ( iNeedUnlock )

                {

                FillListBoxWithDataL();

                }

            break;

            }

        default:

            {

            __ASSERT_DEBUG( EFalse, Panic( EUnknownCase ) );

            break;

            }

        }

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::HandleApDbEventL")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::ActivateL()

// called after the dialog is shown

// used to handle empty list - query

// ---------------------------------------------------------

//

void CApNetSelPopupList::ActivateL()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::ActivateL")

    CAknRadioButtonSettingPage::ActivateL();

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::ActivateL")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::SelectCurrentItemL()

// called after the setting had been changed

// ---------------------------------------------------------

//

void CApNetSelPopupList::SelectCurrentItemL()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::SelectCurrentItemL")

    CAknRadioButtonSettingPage::SelectCurrentItemL();

    TInt idx = iList->CurrentItemIndex();

    if ( idx >= 0 )

        {

        *iSelected = iModel->At( idx )->Uid();

        }

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::SelectCurrentItemL")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::OkToExitL( TInt aButtonId )

// called by framework when the OK button is pressed

// ---------------------------------------------------------

//

TBool CApNetSelPopupList::OkToExitL( TInt aButtonId )

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::OkToExitL")

    // Translate the button presses into commands for the appui & current

    // view to handle.

    // This is a very good thing, that aButtonId is a TInt,

    // but the caller ( CAknSettingPage ) simply uses a TBool.

    // The value of ETrue means the button usually for Yes, Ok, Options, etc

    // and EFalse means Back, Cancel, etc.

    // so we must act according to a boolean value and not

    // according to the real button id...

    TBool IsAccepted = aButtonId;

    if ( IsAccepted )

        {

        TInt idx = iList->CurrentItemIndex();

        if ( idx >= 0 )

            {

            *iSelected = iModel->At( idx )->Uid();

            }

        }

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::OkToExitL")

    return ETrue;

    }

// ---------------------------------------------------------

// CApNetSelPopupList::FillListBoxWithDataL()

// called when listbox needs to be filled with data

// ---------------------------------------------------------

//

void CApNetSelPopupList::FillListBoxWithDataL()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::FillListBoxWithDataL")

    iPreferredLine = iList->CurrentItemIndex();

    if ( iPreferredLine < 0 )

        {

        iPreferredLine = 0;

        }

    if ( !iPreferredUid )

        { // if not specified explicitly, get current and use as 'preferred'

        if ( iPreferredLine >= 0 )

            {

            if ( iModel->Count() )

                {

                iPreferredUid = iModel->At( iPreferredLine )->Uid();

                }

            }

        }

    TBool isLocked(EFalse);

    iNeedUnlock = EFalse;

    iDataModel->NetWorkListDataL( isLocked, *iModel );

    if ( isLocked )

        {

        iNeedUnlock = ETrue;

        }

    iList->View()->SetDisableRedraw( ETrue );

    if ( iNeedsNone )

        {

        HBufC* buf = iEikonEnv->AllocReadResourceLC( R_APUI_VIEW_AP_NONE );

        CApNetworkItem* NoneItem = CApNetworkItem::NewLC();

        NoneItem->SetUid( KApNoneUID );

        NoneItem->SetNameL( *buf );

        iModel->InsertL( 0, NoneItem );

        // as InsertL passes ownership of item to array,

        // remove from cleanupstack

        CleanupStack::Pop(); // NoneItem, as ownership is passed to array

        CleanupStack::PopAndDestroy(); // buf, as item has copied it...

        }

    iList->HandleItemAdditionL();

    SetSelectedL();

    SetHighlighted();

    iList->View()->SetDisableRedraw( EFalse );

    iList->HandleItemAdditionL();

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::FillListBoxWithDataL")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::SetSelectedL()

// ---------------------------------------------------------

//

void CApNetSelPopupList::SetSelectedL()

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::SetSelectedL")

    TInt i( 0 );

    for( i=0; i<iModel->Count(); i++ )

        {

        if ( iModel->At( i )->Uid() == TUint32( *iSelected ) )

            {

            iList->SetCurrentItemIndexAndDraw( i );

            HandleListBoxEventL(iList,

                                MEikListBoxObserver::EEventItemSingleClicked);

          /*  HandleListBoxEventL(iList,

                                            MEikListBoxObserver::EEventItemDoubleClicked);*/

            return; //exit here

            }

        }

    iList->SetCurrentItemIndexAndDraw( 0 );//set something that does no harm...

    HandleListBoxEventL(iList,

        MEikListBoxObserver::EEventItemSingleClicked ); // simulate selection...

    /*HandleListBoxEventL(iList,

        MEikListBoxObserver::EEventItemDoubleClicked);*/

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::SetSelectedL")

    }

// ---------------------------------------------------------

// CApNetSelPopupList::DynInitMenuPaneL

// ---------------------------------------------------------

//

void CApNetSelPopupList::DynInitMenuPaneL( TInt aResourceId,

                                        CEikMenuPane* aMenuPane )

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::DynInitMenuPaneL")

    CAknSettingPage::DynInitMenuPaneL( aResourceId, aMenuPane );

    if ( aResourceId == R_APSETTINGSUI_MENU_NETWORK )

        {

        if ( Need2DeleteSelect( aResourceId ) )

            {

            aMenuPane->DeleteMenuItem( EApSelCmdSelect );

            }

        if ( Need2DeleteOpenDelete( aResourceId ) )

            {

            aMenuPane->DeleteMenuItem( EApSelCmdDelete );

            }

        if ( iProtectionSupported )

            {

            if ( CApProtHandler::IsTableProtectedL( 

                  iDataModel->Database()->Database() ) )

                {            

                aMenuPane->DeleteMenuItem( EApSelCmdNew );                

                }

            }

		if ( !iHelpSupported )

			{

			aMenuPane->DeleteMenuItem( EAknCmdHelp );

			}        

        }

    APSETUILOGGER_LEAVEFN( EListbox,"NetSelPopup::DynInitMenuPaneL")

    }

// From MEikCommandObserver

// ---------------------------------------------------------

// CApNetSelPopupList::ProcessCommandL

// ---------------------------------------------------------

//

void CApNetSelPopupList::ProcessCommandL( TInt aCommandId )

    {

    APSETUILOGGER_ENTERFN( EListbox,"NetSelPopup::ProcessCommandL")

    if ( MenuShowing() )

        {

        HideMenu();

        }

    switch ( aCommandId )

        {

        case EAknSoftkeyOptions:

            {

            DisplayMenuL();

            break;

            }

        case EAknSoftkeyBack:

            {

            AttemptExitL( EFalse );

            break;

            }

        case EAknSoftkeyCancel:

            {

            *iEventStore |= KApUiEventShutDownRequested;

            AttemptExitL( EFalse );

            break;

            }

        case EApSelCmdSelect:

            {

            *iEventStore |= KApUiEventSelected;

            AttemptExitL( ETrue );

            break;

            }

        case EApSelCmdNew:

            {

            // create a new network group here

            if ( HandleCreateNewNetworkGroupL() )

                {

                SetHighlighted();

                }

            break; 

            }

        case EApSelCmdDelete:

            {

            // As it might have been started by the Clear key,

            // we must check if there is any...

            TInt cnt = iModel->Count();

            if ( ( iNeedsNone & ( cnt > 1 ) ) || ( !iNeedsNone && cnt ) )

                {

                // as we must be standing on an item, it must exists...

                // So no problem on iModel->At( ...)

                if ( iList->CurrentItemIndex() < ( iModel->Count()-1 ) )

                    {// move to next one if possible

                    iPreferredUid = iModel->At(

                            iList->CurrentItemIndex()+1 )->Uid();

                    }

                else

                    { // if it is the last, move to previous if possible.

                    // if not, set to 0

                    if ( iModel->Count()> 1 )

                        {// move to prev. one if possible

                        iPreferredUid = iModel->At(

                            iList->CurrentItemIndex()-1 )->Uid();

                        }

                    else

                        {

                        iPreferredUid = 0;

                        }

                    }

                iHandler->HandleNetworkDeleteCmdL(

                            iModel->At( iList->CurrentItemIndex() )->Uid() );

                }

            break;

            }

        case EAknCmdHelp:

            {

			if ( iHelpSupported )

				{

				iDataModel->LaunchHelpL();	

				}

            break;

            }

        default:

            {

            // silently ignore it