/*

* Copyright (c) 2009 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:

*

*/

/*

 * ============================================================================

 *  Name     : CGSPredictiveSettingList from AknFepPredictiveSettingList 

 * ============================================================================

 */

#include <CentralRepository.h>

#include <AknQueryDialog.h>

#include <AknFepInternalCRKeys.h>

#include <PtiDefs.h>

#include <e32property.h>

#include <AvkonInternalCRKeys.h>

#include <AknFepGlobalEnums.h>

#include "DualLanguageDialog.h"

#include <aknnotewrappers.h>

#include <AknFep.rsg>

#include "GSLangModel.h"

#include "DualLanguageData.h"

#include <GSCommon.hrh>

CGSDualLanguageDialog *CGSDualLanguageDialog::NewL(TInt aMenuResId, CGSLangModel* aModel)

    {

    CGSDualLanguageDialog* self = CGSDualLanguageDialog::NewLC(aMenuResId, aModel);      

    CleanupStack::Pop(self);

    return self;

    }

CGSDualLanguageDialog *CGSDualLanguageDialog::NewLC(TInt aMenuResId, CGSLangModel* aModel)

    {

    CGSDualLanguageDialog* self = new (ELeave) CGSDualLanguageDialog(aModel);

    CleanupStack::PushL(self);

    self->ConstructL(aMenuResId);

    return self;

    }

CGSDualLanguageDialog::CGSDualLanguageDialog(CGSLangModel* aModel)

    : iModel(aModel)

    {

    }

CGSDualLanguageDialog::~CGSDualLanguageDialog()

    {

    delete iLangData;

    delete iLanguages;

    delete iSecondaryLanguages;

    }

SEikControlInfo CGSDualLanguageDialog::CreateCustomControlL(TInt /*aControlType*/)

{

    // construct the data object the settings list will use

    ReadSettingsDataL();

    iSettingsList = CGSDualLanguageList::NewL(iLangData, this);

    SEikControlInfo controlInfo;

    controlInfo.iFlags = EEikControlHasEars;

    controlInfo.iTrailerTextId = 0;

    controlInfo.iControl = iSettingsList;

    STATIC_CAST(CGSDualLanguageList*, controlInfo.iControl)->SetContainerWindowL(*this);

    return controlInfo;

}

CGSDualLanguageDialog::TFormControlTypes CGSDualLanguageDialog::ConvertCustomControlTypeToBaseControlType(TInt /*aControlType*/) const

{

    return EPopfieldDerived;

}

TBool CGSDualLanguageDialog::OkToExitL(TInt aButtonId)

{

    TBool retValue = EFalse;

    switch(aButtonId)

    {

    case EAknSoftkeyBack:        

        retValue = ETrue;

        break;

    case EAknSoftkeyOptions:

        DisplayMenuL();

        break;

    case EAknSoftkeyChange:

        EditItemL(EFalse);

        break;

    }

    return retValue;

}

void CGSDualLanguageDialog::ProcessCommandL(TInt aCommandId)

    {

	// This is TSW eror fixing.

	// This function is called by dialog framework, whenever menu item is 

	// selected. we should have to hide existing display menu first to maitain the

	// control stack .

	// If user try to stop displaying menu after creating any control

	// In that situation whenever application goes to background framework remove the

	// control from the stack when try to remove the menubar from control stack.

	 CAknDialog::ProcessCommandL(aCommandId);

    switch(aCommandId) 

        {

        case EGSCmdAppChange:

            EditItemL(ETrue);

            break;

        case EGSCmdAppHelp:

            break;

        case EAknCmdExit:

			// Pass the EAknCmdExit command to Avkon 

			// Framework 

			iAvkonAppUi->ProcessCommandL(aCommandId);

            break;

        }

    }

void CGSDualLanguageDialog::ReadSettingsDataL()

    {

    if(iLangData == NULL)

        {

        iLangData = CGSDualLanguageData::NewL();

        }

    // If the setting page has a list create array which contains all

    // the items of the list in the setting page:

    //some dummy size of 10

    iLanguages = new( ELeave )CArrayFixFlat<TInt>(10);

    iSecondaryLanguages = new( ELeave )CArrayFixFlat<TInt>(10);

    //some dummy size of 10

    CDesCArrayFlat* items = new( ELeave )CDesCArrayFlat(10);

    CleanupStack::PushL( items );

    CDesCArrayFlat* secondaryItems = new( ELeave )CDesCArrayFlat(10);

    CleanupStack::PushL( secondaryItems );

    iModel->GetLanguagesFromPtiL( NULL, iLanguages, items );

    iModel->GetSecondaryInputLanguagesL(iSecondaryLanguages, secondaryItems,

            iCoeEnv);

    TInt i;

    TInt currentItem = 0;

    TInt currentItemSecondary = 0;

    //fetch the current value from model:

    // current item is the decimal value of T9 language code from shared data

    TInt currentInputLanguage =

    iModel->LanguageL( CGSLangModel::EGSInputLanguage );

    TInt currentInputLanguageSecondary =

    iModel->LanguageL( CGSLangModel::EGSInputLanguageSecondary );

    // total sum of available T9 dictionaries

    TInt count = iLanguages->Count();

    // compare sharedata languageCode with PtiLanguageCode array

    // Ptilanguage <-> listindex converter

    for ( i=0;i<count;i++ )

        {

        if ((*iLanguages)[i] == currentInputLanguage)

            {

            currentItem = i;

            break;

            }

        }

    count = iSecondaryLanguages->Count();

    // compare sharedata languageCode with PtiLanguageCode array

    // Ptilanguage <-> listindex converter

    for ( i=0;i<count;i++ )

        {

        if ((*iSecondaryLanguages)[i] == currentInputLanguageSecondary)

            {

            currentItemSecondary = i;

            break;

            }

        }

    iLangData->LoadL(items, secondaryItems, currentItem, currentItemSecondary);

    CleanupStack::Pop(secondaryItems);

    CleanupStack::Pop(items);

    }

void CGSDualLanguageDialog::SaveSettingsDataL() const

    {

    TInt index = iSettingsList->SettingItemArray()->ItemIndexFromVisibleIndex(iSettingsList->ListBox()->CurrentItemIndex());

    TInt curLang = (*iLanguages)[iLangData->CurrentValue()]; 

    if(0 == index)

        {

        TInt previous = iModel->LanguageL( CGSLangModel::EGSInputLanguage );

        iModel->SetLanguageL( CGSLangModel::EGSInputLanguage, curLang );     

        if ((curLang == ELangPrcChinese || curLang == ELangHongKongChinese

            || curLang == ELangTaiwanChinese) && previous != curLang)

            {

            if (curLang == ELangPrcChinese )

                {

                iModel->SetDefaultInputMethodL( EPinyin );

                }

            else if ( curLang == ELangHongKongChinese )

                {

                iModel->SetDefaultInputMethodL( EStroke );

                }

            else if ( curLang == ELangTaiwanChinese )

                {

                iModel->SetDefaultInputMethodL( EZhuyin );

                }            

            }

        }

    else

        {        

        if(curLang == ELangTaiwanChinese ||

           curLang == ELangHongKongChinese ||

           curLang == ELangPrcChinese ||

           curLang == ELangJapanese ||

           curLang == ELangKorean )

            {

            iModel->SetLanguageL( CGSLangModel::EGSInputLanguageSecondary, 0);

            }

        else

            {

            iModel->SetLanguageL( CGSLangModel::EGSInputLanguageSecondary,

                    (*iSecondaryLanguages)[iLangData->CurrentSecondaryValue()]);

            }

        }

    }

void CGSDualLanguageDialog::EditItemL(TBool aCalledFromMenu)

    {

    iSettingsList->EditCurrentItemL(aCalledFromMenu);

    // Secondary language item shouldnt be displayed for Chinsese/Japanese/Korean languages

    TInt curLang = (*iLanguages)[iLangData->CurrentValue()]; 

    if(curLang == ELangTaiwanChinese ||

       curLang == ELangHongKongChinese ||

       curLang == ELangPrcChinese ||

       curLang == ELangJapanese ||

       curLang == ELangKorean )

        {

        iSettingsList->HideSecondaryInputL(ETrue);

        }

    else

        {

        iSettingsList->HideSecondaryInputL(EFalse);

        }

    iSettingsList->StoreSettingsL();

    SaveSettingsDataL();

    }