/*

* Copyright (c) 2002-2004 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 TAknFepInputStateEntryStroke methods.

*

*/

#include <fontids.hrh>

#include <PtiEngine.h>

#include "AknFepUiInputStateEntryStroke.h"

#include "AknFepUIManagerStateInterface.h"

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUICtrlInputPane.h"

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

#include "AknFepManager.h"

const TInt KMaxCandidateCountFromCore = 6;

TAknFepInputStateEntryStroke::TAknFepInputStateEntryStroke(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateEntryZhuyinStrokeBase(aOwner, aUIContainer)

    {

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    uiContainer->SetLayout(MAknFepUICtrlContainerChinese::ELayoutInput);

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

    uiContainer->InputPane()->SetOverrideFontId(KScreenFontUidStrokes);

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

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    if ( EPtiEngineStroke != ptiengine->InputMode() )

    {

    ptiengine->SetInputMode(EPtiEngineStroke);

    }

    ptiengine->SetCandidatePageLength(MAknFepUICtrlContainerChinese::ELayoutInput);

    }

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

	{	

    RefreshUI();	

 	}

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

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    if(aKey == EKeyBackspace)

        {

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

            {

            RefreshUI();

            SetInputPaneToneMark();

            }

        else

            {

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

            if (aLength == ELongKeyPress)

                {

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

                }

            }

        }

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

        {

    	iOwner->FepMan()->SetCcpuFlag(CAknFepManager::ECcpuStateIgnoreStarUp);        

        TInt stringBeforeLength(0);

        TInt stringAfterLength(0);

        stringBeforeLength = ptiengine->GetPhoneticSpelling(1).Length();

        stringAfterLength = ptiengine->AppendKeyPress((TPtiKey)aKey).Length();

        if (stringBeforeLength != stringAfterLength)

            {

            TBool multiplePages = ptiengine->MoreCandidatePages();

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

            TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

            uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

            uiContainer->ShowVerticalScrollArrows(multiplePages);

            SetInputPaneToneMark();

            RefreshUI();

            }

        else

            {            

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

            }

        }

    else if(aKey == EKeyDownArrow)

        {

        if (iOwner->PtiEngine()->CandidatePage().Length() == 

            KMaxCandidateCountFromCore)

            {

            ptiengine->NextCandidatePage();

            RefreshUI();

            }

        }

    else if(aKey == EKeyUpArrow)

        {

        if (ptiengine->NumberOfCandidates() != 0)

            {

            ptiengine->PreviousCandidatePage();

            RefreshUI();

            }

        }   

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

        {

        iOwner->ChangeState(ECandidate);

        return EFalse;

        }

    else if(aKey == EPtiKeyStar)

    	{

    	return ETrue;

    	}

    else if (!iOwner->IsValidChineseInputKey(aKey))

        {

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

        }

    return ETrue;

    }

void TAknFepInputStateEntryStroke::RefreshUI()

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlInputPane* inputPane = uiContainer->InputPane();

    TBool multiplePages = ptiengine->MoreCandidatePages();

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

    TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    uiContainer->ShowVerticalScrollArrows(multiplePages);

    // Universal layout 

    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 candidates = ptiengine->CandidatePage();

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

    uiContainer->Enable(ETrue);

    TPtrC ptr = ptiengine->GetPhoneticSpelling(1);

    inputPane->SetText(ptr);

    if (ptiengine->NumberOfCandidates() == 0)

        {

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

        }

    else

        {

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

        }

    uiContainer->CandidatePane()->ShowDownScrollArrows

        (bufLength == KMaxCandidateCountFromCore ? ETrue : EFalse);

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

    uiContainer->CandidatePane()->ShowRightScrollArrows(bufLength ? ETrue : EFalse);

    }

// End of file