/*

* Copyright (c) 2005 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:           

*       Provides the TAknFepUIInputStateEntryQwertyBase methods.

*

*/

#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepUICtrlInputPane.h"

#include "AknFepUiInputStateEntryQwertyBase.h"

#include <PtiEngine.h>      //CPtiEngine

#include <e32keys.h>        //keys  

#include <avkon.rsg>

const TText KPinyinTone4Valid = 0x02D9;

const TText KPinyinTone4Invalid = 0x0020;

TAknFepInputStateEntryQwertyBase::TAknFepInputStateEntryQwertyBase(

                               MAknFepUIManagerStateInterface* aOwner,

                               MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateCandidateQwerty(aOwner,aUIContainer)                           

    {

    iState = EEntry;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    uiContainer->ShowHorizontalScrollArrows(EFalse);

    uiContainer->FocusCandidatePane(ETrue);

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    candidatePane->SetHighlighted(ETrue);

    candidatePane->SelectFirst();

    uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutInput);

    }

TBool TAknFepInputStateEntryQwertyBase::HandleKeyL(TInt aKey, TKeyPressLength aLength)

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    TBool ret = ETrue;

    if(aKey == EStdKeyBackspace)

        {

		if (iOwner->PtiEngine()->DeleteKeyPress().Length())

            {

            TBool multiplePages = ptiengine->MoreCandidatePages();

            TInt bufLength = ptiengine->CandidatePage().Length();

            TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

            UIContainer()->ShowHorizontalScrollArrows(showHorizontalScrollArrows);

            uiContainer->ShowVerticalScrollArrows(ptiengine->MoreCandidatePages());

            SetInputPaneToneMark();

            RefreshUI();

            }

        else

            {

            iOwner->FepMan()->TryCloseUiL();

            }

        }

    else if((aLength == EShortKeyPress) && iOwner->IsValidChineseInputKeyQwerty(aKey))

        {

        ptiengine->AppendKeyPress((TPtiKey)aKey);

        TBool multiplePages = ptiengine->MoreCandidatePages();

        TInt bufLength = ptiengine->CandidatePage().Length();

        TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

        UIContainer()->ShowHorizontalScrollArrows(showHorizontalScrollArrows);

        uiContainer->ShowVerticalScrollArrows(ptiengine->MoreCandidatePages());

        SetInputPaneToneMark();

        RefreshUI();

        }

    else 

        {

        ret = TAknFepInputStateCandidateQwertyBase::HandleKeyL(aKey, aLength);

        }

    return ret;

    }

void TAknFepInputStateEntryQwertyBase::RefreshUI()

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

    // set container's position

    TPoint baseLine = TPoint(0,0);

    TInt height = 0;

    TInt ascent = 0;

    TRAPD(ret,iOwner->FepMan()->GetScreenCoordinatesL(baseLine,height,ascent));

    if (ret == KErrNone)

        {

        uiContainer->SetContainerPosition(baseLine, height);    

        }

    TText toneMark;

    TBool toneMarkEntered = ptiengine->ToneMark(toneMark);

    TBuf<1> validToneMarkBuf;

    if(toneMarkEntered)

        {

        // override specific invalid tonemark character only, the others are the same character 

        // when both valid and invalid

        if(toneMark == KPinyinTone4Invalid)

            toneMark = KPinyinTone4Valid;

        validToneMarkBuf.Append(toneMark);

        }

    ptiengine->EnableToneMarks(ETrue);

    TPtrC candidates = ptiengine->CandidatePage();

    uiContainer->CandidatePane()->SetCandidateBuffer(candidates);

    uiContainer->Enable(ETrue);

    uiContainer->CandidatePane()->SelectFirst();

    TPtrC ptr = ptiengine->GetPhoneticSpelling(1);

    inputPane->SetText(ptr);

    inputPane->SetToneMark(validToneMarkBuf);  

    }

void TAknFepInputStateEntryQwertyBase::SetInputPaneToneMark()

    {

    }

void TAknFepInputStateEntryQwertyBase::InitializeStateL(void)

    {

    iOwner->FepMan()->UpdateCbaL(R_AVKON_SOFTKEYS_EMPTY);

    }

// End of file