/*

* 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 CAknFepUIInputStateQwertyZhuyinPhrase methods.

*

*/

#include "AknFepUiInputStateEntryQwertyZhuyinPhrase.h"

#include "AknFepUIManagerStateInterface.h"

#include "AknFepUICtrlInputPane.h"

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

#include "AknFepManager.h"                  //FepMan flag

#include <PtiEngine.h>

#include <e32keys.h>

#include <PtiDefs.h>                //keys

const TInt KInputPaneLength = 32;

_LIT(KSep, "'");

_LIT(KReplace, "");

TAknFepInputStateEntryQwertyZhuyinPhrase::TAknFepInputStateEntryQwertyZhuyinPhrase(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateEntryQwertyBaseChinesePhrase(aOwner, aUIContainer)

    {

    UIContainer()->CandidatePane()->ShowCandidateOrdinals(EFalse);

    iOwner->PtiEngine()->SetInputMode(EPtiEngineZhuyinPhraseQwerty);

    iOwner->PtiEngine()->SetCase(EPtiCaseLower);

    }

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

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    TBool ret = ETrue;

    if (iOwner->FepMan()->IsFlagSet(CAknFepManager::EFlagShiftKeyDepressed) ||

        iOwner->FepMan()->IsFlagSet(CAknFepManager::EFlagQwertyChrKeyDepressed))

        {

        return ret;

        }

    if((aKey == EPtiKey3 || 

        aKey == EPtiKey4 || 

        aKey == EPtiKey6 || 

        aKey == EPtiKey7 ||

        aKey == EStdKeySpace) && 

        (aLength == EShortKeyPress))        

        {

        if(ptiengine->SetToneMark(aKey))

            {

            inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

            TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&

                                    uiContainer->CandidatePane()->IsFirstPage());

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

            TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

            UIContainer()->ShowHorizontalScrollArrows(showHorizontalScrollArrows);

            UIContainer()->ShowVerticalScrollArrows(multiplePages);

            SetInputPaneToneMark();

            RefreshUI();

            }

        }

    else if(aKey == EStdKeyBackspace)

        {

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

            {

            uiContainer->ShowVerticalScrollArrows(!(uiContainer->CandidatePane()->IsLastPage() &&

                                                    uiContainer->CandidatePane()->IsFirstPage()));

            inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

            SetInputPaneToneMark();

            RefreshUI();

            }

        else

            {

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

            if (aLength == ELongKeyPress)

                {

                iOwner->FepMan()->SetLongClearAfterCloseUI(ETrue);

                }

            }

        }

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

        {

        ptiengine->AppendKeyPress((TPtiKey)aKey);

        inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

        uiContainer->ShowVerticalScrollArrows(!(uiContainer->CandidatePane()->IsLastPage() &&

                                                uiContainer->CandidatePane()->IsFirstPage()));

        SetInputPaneToneMark();

        RefreshUI();

        }

    else if (aKey == EStdKeyLeftArrow )  

        {

        if (candidatePane->SelectedIndex() == 0 && 

            candidatePane->IsFirstPage())

            {

            return ETrue;    

            }

        else

            {

            iOwner->ChangeState(ECandidate);

            return EFalse;

            }

        }

    else if (aKey == EStdKeyRightArrow)

        {

        if (candidatePane->IsLastPage() && 

           (candidatePane->SelectedIndex() == candidatePane->VisibleCandidateCount() - 1))

            {

            return ETrue;    

            }

        else

            {

            iOwner->ChangeState(ECandidate);

            return EFalse;

            }

        }

    else if(aKey == EStdKeyDevice3)

        {

        TInt index = MapKeyToIndex(aKey);

        candidatePane->SelectIndex(index);

        TPtrC text = candidatePane->CurrentPhraseCandidate();

        if(text.Length())

            {            

            MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

            fepMan->NewTextL(text);

            fepMan->CommitInlineEditL();

            iOwner->PtiEngine()->SetPredictiveChineseChar(text);

            iOwner->ChangeState(EPredictiveCandidate);

            }

        else

            {

            // No candidates available. Back to Entry state.

            iOwner->ChangeState(EEntry);

            }

        }

   else if (aKey == EStdKeyEnter)

        {

        TBuf<KInputPaneLength> currentText;

        inputPane->GetText(currentText);

        while(currentText.Find(KSep)> 0)

            {

            currentText.Replace(currentText.Find(KSep), 1,KReplace);

            }

        if(currentText.Length())

            {            

            MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

            fepMan->NewTextL(currentText);

            fepMan->CommitInlineEditL();

            if (fepMan->IsFlagSet(CAknFepManager::EFlagEditorFull))

                {

                fepMan->ClearFlag(CAknFepManager::EFlagEditorFull);

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

                }

            else

                {

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

                }

            }

        }

    else

        {

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

        }

    return ret;

    }

void TAknFepInputStateEntryQwertyZhuyinPhrase::KeyTimerExpired()

    {

    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);    

        }

    TPtrC ptr = ptiengine->GetPhoneticSpelling(1);

    TBuf<KInputPaneLength> currentText;

    inputPane->GetText(currentText);

    if (ptr.Length() < currentText.Length())

        {

        iOwner->FepMan()->PlaySound(EAvkonSIDErrorTone);

        }

    inputPane->SetText(ptr);

    }

// End of file