/*

* Copyright (c) 2007 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:            Implementation of Pinyin phrase predictive candidate MiniQwerty state

*

*/

// System includes

#include <PtiEngine.h>                      

// User includes

#include "AknFepUiInputStatePredictiveCandidateHalfQwertyChinesePhrase.h"

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUIManagerStateInterface.h"  

#include "AknFepManagerUIInterface.h" 

#include "AknFepManager.h"      

#include "AknFepUICtrlCandidatePane.h"

#include "aknfepuictrleditpane.h"

#include "AknFepUICtrlPinyinPopup.h"

// ---------------------------------------------------------------------------

// TAknFepInputStatePredictiveCandidateMiniQwertyChinesePhrase::

// TAknFepInputStatePredictiveCandidateMiniQwertyChinesePhrase

// (other items were commented in a header).

// ---------------------------------------------------------------------------

//

TAknFepInputStatePredictiveCandidateHalfQwertyChinesePhrase::

TAknFepInputStatePredictiveCandidateHalfQwertyChinesePhrase(

    MAknFepUIManagerStateInterface* aOwner,

    MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStatePredictiveInputQwertyChinesePhrase(aOwner, aUIContainer)

    {

    iState = EPredictiveCandidate;

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

    }

// ---------------------------------------------------------------------------

// TAknFepInputStatePredictiveCandidateMiniQwertyChinesePhrase::HandleKeyL

// (other items were commented in a header).

// ---------------------------------------------------------------------------

//

TBool TAknFepInputStatePredictiveCandidateHalfQwertyChinesePhrase::HandleKeyL(

    TInt aKey, TKeyPressLength aLength )

    {

    MAknFepUICtrlPinyinPopup* popup = UIContainer()->PinyinPopupWindow();

    TBool ret = ETrue;

    if ( aKey == EPtiKeyQwertyComma || aKey == EStdKeyForwardSlash|| aKey

        == EStdKeySquareBracketRight )

        {

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

        ret = ETrue;

        }

    else if ( aKey == EStdKeyFullStop )

        {

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

        ret = EFalse;

        }

    else if ( aKey == EStdKeyLeftFunc )

        {

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

        iOwner->FepMan()->LaunchSelectModeMenuL();

        }

    else if ( iOwner->FepMan()->IsFlagSet( CAknFepManager::EFlagQwertyShiftMode )

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

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

        {

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

        ret = EFalse;

        }

    else if ( CAknFepFnKeyManager::EFnKeyNext == iOwner->FepMan()->FnKeyState() || CAknFepFnKeyManager::EFnKeyLock

        == iOwner->FepMan()->FnKeyState() || CAknFepFnKeyManager::EFnKeyDown

        == iOwner->FepMan()->FnKeyState() ) // for fn + a character

        {

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

        ret = EFalse;

        }

    else if ( aKey ==EKeyLeftCtrl || aKey == EKeyRightCtrl )

        {

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

        ret = EFalse;

        }

    else if ( aKey == EStdKeyBackspace )

        {

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

        }

    else if ( aKey ==EKeyRightFunc )//fn key

        {

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

        ret = EFalse;

        }

    else if ( aKey ==EStdKeySpace )

        {

        if ( ECangJie ==iOwner->FepMan()->InputMode() )

            {

            TPtrC text = UIContainer()->CandidatePane()->CurrentPhraseCandidate();

            if ( text.Length() )

                {

                MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

                fepMan->NewTextL( text );

                fepMan->CommitInlineEditL();

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

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

                    {

                    fepMan->ClearFlag( CAknFepManager::EFlagEditorFull );

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

                    }

                else

                    {

                    iOwner->ChangeState( EPredictiveCandidate );

                    }

                }

            return ETrue;

            }

        else if ( EZhuyin ==iOwner->FepMan()->InputMode()&&

        EPtiKeyboardHalfQwerty == iOwner->FepMan()->KeyboardLayout() )

            {

            popup->SetPreStateIsPredictive( ETrue );

            iOwner->ChangeState( EEntry );

            ret = EFalse;

            }

        else

            {

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

            ret = EFalse;

            }

        }

    else if ( aKey == EStdKeyDevice0 || aKey == EStdKeyDevice3 || aKey

        == EStdKeyEnter ) // Add for SK1, selection,enter

        {

        TBool state = ETrue;

        if ( UIContainer()->EditPaneWindow()->IsChangeState() && aLength == ELongKeyPress )

            {

            state = EFalse;

            }

        else

            {

            UIContainer()->EditPaneWindow()->SetChangeState( EFalse );

            }

        if ( state )

            {

            TPtrC text = UIContainer()->CandidatePane()->CurrentPhraseCandidate();

            if ( text.Length() )

                {

                MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

                fepMan->NewTextL( text );

                fepMan->CommitInlineEditL();

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

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

                    {

                    fepMan->ClearFlag( CAknFepManager::EFlagEditorFull );

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

                    }

                else

                    {

                    iOwner->ChangeState( EPredictiveCandidate );

                    }

                }

            }

        }

    else if ( aKey == EStdKeyRightArrow )

        {

        iOwner->ChangeState( EPredictiveInput );

        UIContainer()->CandidatePane()->SelectNext();

        }

    else if ( aKey == EStdKeyLeftArrow )

        {

        iOwner->ChangeState( EPredictiveInput );

        UIContainer()->CandidatePane()->SelectLastPhrase();

        }

    else if ( iOwner->IsValidChineseInputKeyQwerty( aKey ) )

        {

        if ( aLength == ELongKeyPress )

            {

            TBool state = ETrue;

            if ( popup->IsChangeStatet() )

                {

                state = EFalse;

                }

            else

                {

                popup->SetChangeState( EFalse );

                }

            if ( state )

                {

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

                return EFalse;

                }

            else

                {

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

                return ETrue;

                }

            }

        if ( EPinyin ==iOwner->FepMan()->InputMode() )

            {

            CPtiEngine* ptiengine = iOwner->PtiEngine();

            // it is needed when we use phrase input engine, otherwise it seems not cleared

            ptiengine->ClearCurrentWord();

            ptiengine->ResetToneMark();

            popup->SetPreStateIsPredictive( ETrue );

            iOwner->ChangeState( EEntry );

            ret = EFalse; //passes to entry state to handle the key

            }

        else if ( EZhuyin ==iOwner->FepMan()->InputMode() ||

        ECangJie ==iOwner->FepMan()->InputMode() ||

        EStroke ==iOwner->FepMan()->InputMode() )

            {

            if ( EZhuyin ==iOwner->FepMan()->InputMode() &&

            ( aKey == EPtiKeyQwertyQ ||

                aKey == EPtiKeyQwertyA ||

                aKey == EPtiKeyQwertyO ||

                aKey == EPtiKeyQwertyL ||

                aKey == EPtiKeyQwertyZ ) )

                {

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

                return EFalse;

                }

            CPtiEngine* ptiengine = iOwner->PtiEngine();

            // it is needed when we use phrase input engine, otherwise it seems not cleared

            ptiengine->ClearCurrentWord();

            ptiengine->ResetToneMark();

            popup->SetPreStateIsPredictive( ETrue );

            iOwner->ChangeState( EEntry );

            ret = EFalse; //passes to entry state to handle the key

            }

        }

    else if ( aKey == EStdKeyDevice2 )//sk2

        {

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

        }

    else if ( aKey == EPtiKeyQwertyQ ||

            aKey == EPtiKeyQwertyW ||

            aKey == EPtiKeyQwertyO ||

            aKey == EPtiKeyQwertyP ||

            aKey == EPtiKeyQwertyA ||

            aKey == EPtiKeyQwertyS ||

            aKey == EPtiKeyQwertyL ||

            aKey == EPtiKeyQwertyZ ||

            aKey == EPtiKeyQwertyX ||

            aKey == EPtiKeyQwertyC ||

            aKey == EPtiKeyQwertyV ||

            aKey == EPtiKeyQwertyB ||

            aKey == EPtiKeyQwertyN ||

            aKey == EPtiKeyQwertyM )

        {

        if ( EStroke ==iOwner->FepMan()->InputMode() )

            {

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

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

            return EFalse;

            }

        }

    else if ( (aKey == EPtiKeyQwerty7 ||

    		aKey == EPtiKeyQwerty8 ||

    		aKey == EPtiKeyQwerty9) &&

    		iOwner->FepMan()->InputMode() == EStroke )

    	{

    	if ( aLength == EShortKeyPress )

    		{

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

            ret = EFalse;

            }

    	}

    else

        {

        ret = TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleKeyL(

            aKey, aLength );

        }

    return ret;

    }

// End of file