/*

* Copyright (c) 2004 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 TAknFepInputStateEntryZhuyinStrokeBasePhrase methods.

*

*/

#include "AknFepUiInputStateEntryZhuyinStrokeBasePhrase.h"

#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepUICtrlInputPane.h"

#include <PtiEngine.h>      //CPtiEngine

#include <e32keys.h>        //keys  

#include <avkon.rsg>

#include <aknfep.rsg>

TAknFepInputStateEntryZhuyinStrokeBasePhrase::TAknFepInputStateEntryZhuyinStrokeBasePhrase(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateChineseBase(aOwner, aUIContainer)

    {

    iState = EEntry;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    uiContainer->FocusCandidatePane(EFalse);

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

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

    TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length();

    TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    uiContainer->ShowVerticalScrollArrows(multiplePages);

    uiContainer->FocusCandidatePane(ETrue);

    candidatePane->SetHighlighted(ETrue);

    candidatePane->ShowCandidateOrdinals(EFalse);

    candidatePane->SelectFirstPhrase();

    }

void TAknFepInputStateEntryZhuyinStrokeBasePhrase::HandleCommandL(TInt /*aCommandId*/)

	{	

    RefreshUI();	

 	}

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

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

    if(aKey == EKeyBackspace)

        {

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

            {

            inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

            RefreshUI();

            SetInputPaneToneMark();

            }

        else

            {

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

            if (aLength == ELongKeyPress)

                {

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

                }

            }

        }

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

        {

        ptiengine->AppendKeyPress((TPtiKey)aKey);

        SetInputPaneToneMark();

        inputPane->SetFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

        RefreshUI();

        }

    else if(aKey == EKeyDownArrow)

        {

        if (!candidatePane->IsLastPage())

            {

            candidatePane->NextCandidatePage();

            RefreshUI();

            }

        }

    else if(aKey == EKeyUpArrow)

        {

        if(!candidatePane->IsFirstPage())

            {

            candidatePane->PreviousCandidatePage();

            RefreshUI();

            }

        }   

    else if(aKey == EKeyOK || aKey == EKeyRightArrow || aKey == EKeyLeftArrow)

        {

        iOwner->ChangeState(ECandidate);

        return EFalse;

        }

    return ETrue;

    }

void TAknFepInputStateEntryZhuyinStrokeBasePhrase::RefreshUI()

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

    // get cursor 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);    

        }

    // layout candidate and fill candidate buffer for first display page

    TInt candidateCount = 0;

    if(inputPane->IsFlagSet(MAknFepUICtrlInputPane::EPhoneticChanged))

        {

        inputPane->ClearFlag(MAknFepUICtrlInputPane::EPhoneticChanged);

        TRAPD(ignore,candidateCount = ptiengine->GetChinesePhraseCandidatesL(

                           *(uiContainer->CandidatePane()->CandidateArray())));

        if(candidateCount == 0 || ignore != KErrNone)

            {

            return;

            }    

        uiContainer->CandidatePane()->SplitPhraseCandidatesIntoPages();

        }

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

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

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

    TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    uiContainer->ShowVerticalScrollArrows(multiplePages);

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

    uiContainer->Enable(ETrue);

    TPtrC ptr = ptiengine->GetPhoneticSpelling(1);

    inputPane->SetText(ptr);

    UpdateIndicator();

    }

void TAknFepInputStateEntryZhuyinStrokeBasePhrase::SetInputPaneToneMark()

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlInputPane* inputPane = UIContainer()->InputPane();

    TText toneMark;

    TBool toneMarkEntered = ptiengine->ToneMark(toneMark);

    TBuf<1> buf;

    if(toneMarkEntered)

        {

        buf.Append(toneMark);

        }

    inputPane->SetToneMark(buf);

    }

void TAknFepInputStateEntryZhuyinStrokeBasePhrase::KeyTimerExpired()

    {

    }

void TAknFepInputStateEntryZhuyinStrokeBasePhrase::InitializeStateL(void)

    {

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

    }

void TAknFepInputStateEntryZhuyinStrokeBasePhrase::UpdateIndicator()

    {

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();        

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    TInt candidateCount = candidatePane->CandidateArray()->Count();

    if ( candidatePane->IsFirstPage() || candidateCount== 0 )

        {

        uiContainer->CandidatePane()->ShowUpScrollArrows( EFalse );

        }

    else

        {

        uiContainer->CandidatePane()->ShowUpScrollArrows( ETrue );

        }

    if ( candidatePane->IsLastPage() || candidateCount== 0 )

        {

        uiContainer->CandidatePane()->ShowDownScrollArrows( EFalse );

        }

    else

        {

        uiContainer->CandidatePane()->ShowDownScrollArrows( ETrue );

        }

    }

// End of file