/*

* Copyright (c) 2002-2005 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:            Implementation of Pinyin phrase predictive Qwerty state

*

*/

// System includes

#include <PtiEngine.h>                      

// User includes

#include "AknFepUiInputStatePredictiveInputQwertyPinyinPhrase.h"

#include "AknFepUiInputStatePredictiveInputQwertyPhrase.h"

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUIManagerStateInterface.h"  

#include "AknFepManagerUIInterface.h" 

#include "AknFepManager.h"      

#include "AknFepUICtrlCandidatePane.h"

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

// TAknFepInputStatePredictiveInputQwertyPinyinPhrase::

// TAknFepInputStatePredictiveInputQwertyPinyinPhrase

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

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

//

TAknFepInputStatePredictiveInputQwertyPinyinPhrase::

TAknFepInputStatePredictiveInputQwertyPinyinPhrase(

    MAknFepUIManagerStateInterface* aOwner,

    MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStatePredictiveInputQwertyChinesePhrase(aOwner, aUIContainer)

    {

    }

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

// TAknFepInputStatePredictiveInputQwertyPinyinPhrase::HandleKeyL

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

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

//

TBool TAknFepInputStatePredictiveInputQwertyPinyinPhrase::HandleKeyL(TInt aKey, 

                                                                     TKeyPressLength aLength)

    {

    TBool ret = ETrue;

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

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

        {

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

        ret = EFalse;

        }

    else if (aKey == EStdKeyEnter)

        {

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

        iOwner->ChangeState(EQwerty);

        return EFalse;

        }

    else if (IsValidEntryKey(aKey))

        {

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

        ret = EFalse;

        }

    else if(iOwner->IsValidChineseInputKeyQwerty(aKey))

        {

        if (IsValidPinyinKey(aKey))

            {

            CPtiEngine* ptiengine = iOwner->PtiEngine();

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

            ptiengine->ClearCurrentWord(); 

            ptiengine->ResetToneMark();

            iOwner->ChangeState(EEntry);

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

            }

         else

            {

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

            }

        }

    else if (aKey == EStdKeySpace)

        {

        TInt index = MapKeyToIndex(EStdKeyDevice3);

        MAknFepUICtrlCandidatePane* candidatePane = UIContainer()->CandidatePane();

        candidatePane->SelectIndex(index);

        TPtrC text = 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(EPredictiveInput);

                }

            }

        else

            {

            // No candidates available. Back to Entry state.

            iOwner->ChangeState(EEntry);

            }

        }

    else 

        {

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

        }

    return ret;

    }

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

// TAknFepInputStatePredictiveInputQwertyPinyinPhrase::IsValidPinyinKey

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

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

//    

TBool  TAknFepInputStatePredictiveInputQwertyPinyinPhrase::IsValidPinyinKey(TInt aKey)

    {

    TBool response = ETrue;

    if (aKey == EPtiKeyQwertyU || aKey == EPtiKeyQwertyV ||

        aKey == EPtiKeyQwertyI )

        {

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

        response = EFalse;

        }

    return response;

    }

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

// TAknFepInputStatePredictiveInputQwertyPinyinPhrase::IsValidEntryKey

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

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

//    

TBool  TAknFepInputStatePredictiveInputQwertyPinyinPhrase::IsValidEntryKey(TInt aKey)

    {

    TBool response = ETrue;

    if ((aKey >= EPtiKeyQwertyA && aKey <= EPtiKeyQwertyZ) ||

        (aKey >= EStdKeyLeftArrow && aKey <= EStdKeyDownArrow) ||

        (aKey >= EPtiKeyQwerty0 && aKey <= EPtiKeyQwerty9) ||

         aKey == EStdKeyBackspace || aKey == EStdKeyLeftFunc ||

         aKey == EStdKeyDevice1 || aKey == EStdKeySpace || 

         aKey == EStdKeyDevice0 ||aKey == EStdKeyDevice3)

        {

        response = EFalse;

        }

    return response;

    }

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

// TAknFepInputStatePredictiveInputQwertyPinyinPhrase::HandleCommandL

// Handling Command

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

//

void TAknFepInputStatePredictiveInputQwertyPinyinPhrase::HandleCommandL(

    TInt aCommandId )

    {

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

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan( );

    switch ( aCommandId )

        {

        // Handle the event frome command.

        case EAknSoftkeySelect:

    //    case (TUint16)EAknSoftkeySelect: //the Selected in soft CBA

            if ( text.Length( ) )

                {

                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 );

                    }

                }

            break;

        default:

            TAknFepInputStateChineseBase::HandleCommandL( aCommandId );

            break;

        }

    }

// End of file