/*
* 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