/*

* Copyright (c) 2002 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 TAknFepInputStateCandidateBase methods.

*

*/

#include "AknFepUiInputStateCandidateBase.h"

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

#include "AknFepManagerUIInterface.h"

#include "AknFepManager.h"                  //FepMan flag

#include <PtiEngine.h>                         //CPtiEngine

TAknFepInputStateCandidateBase::TAknFepInputStateCandidateBase(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateChineseBase(aOwner, aUIContainer)

    {

    }

void TAknFepInputStateCandidateBase::HandleCommandL(TInt /*aCommandID*/)

    {

	CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    // 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);    

        }

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

    uiContainer->Enable(ETrue);

    }

TBool TAknFepInputStateCandidateBase::HandleKeyL(TInt aKey, TKeyPressLength /*aLength*/)

    {

    if (aKey == EPtiKeyStar)

        {

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

        return EFalse;

        }   

    if(!( HandleVerticalNavigation(aKey) || HandleHorizontalNavigation(aKey) ))

        {

        // it may be one of the 'valid' numbers..

        TInt index = MapKeyToIndex(aKey);

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

        if(candidatePane->SelectIndex(index) || aKey == EKeyOK)

            {

            TPtrC text = candidatePane->CurrentCandidate();

            if(text.Length()) 

                {            

                MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

                fepMan->NewCharacterL(text);

                fepMan->CommitInlineEditL();

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

                    {

                    fepMan->ClearFlag(CAknFepManager::EFlagEditorFull);

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

                    }

                else

                    {

                    iOwner->ChangeState(EPredictiveCandidate);

                    }

                }

            else

                {

                // No candidates available. Back to Entry state.

                iOwner->ChangeState(EEntry);

                }

            }

        }

    return ETrue;

    }

TBool TAknFepInputStateCandidateBase::HandleHorizontalNavigation(TInt aKey)

    {

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

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    TBool response = EFalse;

    // Do navigation...

    if (aKey == EKeyLeftArrow)

        {

        if(!candidatePane->SelectPrev())

            {

            ptiengine->PreviousCandidatePage();

            candidatePane->SetCandidateBuffer(ptiengine->CandidatePage());

            candidatePane->SelectLast();

            }

        response = ETrue;

        }

    else if (aKey == EKeyRightArrow)

        {

        if(!candidatePane->SelectNext())

            {

            ptiengine->NextCandidatePage();

            candidatePane->SetCandidateBuffer(ptiengine->CandidatePage());

            candidatePane->SelectFirst();

            }

        response = ETrue;

        }

    return response;

    }

TBool TAknFepInputStateCandidateBase::HandleVerticalNavigation(TInt aKey)

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    if (aKey == EKeyDownArrow)

        {

        ptiengine->NextCandidatePage();

        }

    else if (aKey == EKeyUpArrow)

        {

        ptiengine->PreviousCandidatePage();

        }

    else

        {

        return EFalse;

        }

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

    candidatePane->SelectFirst();

    candidatePane->SetCandidateBuffer(ptiengine->CandidatePage());

    return ETrue;

    }

// End of file