/*

* 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 TAknFepUiInputStateCandidateHiraganaKanji methods.

*

*/

// INCLUDE FILES

#include "AknFepUiInputStateCandidateHiraganaKanji.h"

#include "AknFepUIManagerStateInterface.h"   // MAknFepUIManagerStateInterface

#include "AknFepManagerUIInterface.h"        // MAknFepManagerUIInterface

#include "AknFepUICtrlContainerJapanese.h"   // MAknFepUICtrlContainerJapanese

#include "AknFepUICtrlCandidatePaneInterface.h"

                                        // MAknFepUICtrlCandidatePaneInterface

#include "AknFepGlobalEnums.h"

#include "AknFepPanic.h"

#include <PtiDefs.h>                    // keys

#include <PtiEngine.h>

#include <PtiCompositionDataIF.h>       // MPtiEngineCompositionDataInterfac

// CONSTANTS

/**

 *  TAknFepUiInputStateCandidateHiraganaKanji class.

 *

 */

//============================ MEMBER FUNCTIONS ==============================

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

// TAknFepUiInputStateCandidateHiraganaKanji::

//                                  TAknFepUiInputStateCandidateHiraganaKanji

// C++ default Constructor

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

//

TAknFepUiInputStateCandidateHiraganaKanji::TAknFepUiInputStateCandidateHiraganaKanji(

                                    MAknFepUIManagerStateInterface* aOwner,

                                    MAknFepUICtrlContainerJapanese* aUIContainer)

    :TAknFepUiInputStateEntryJapaneseMultitap(aOwner, aUIContainer)

    {

    iState = ECandidate;

    }

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

// TAknFepUiInputStateInitialJapaneseBase::InitializeStateL

// Initialize State

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

//

void TAknFepUiInputStateCandidateHiraganaKanji::InitializeStateL()

    {

    iOwner->SetInlineEditUnderlineVisibility(ETrue);

    // Get index number to show at first

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    TInt index;

    CDesCArrayFlat* candidateArray = iOwner->CandidateArray();

    ptiEngine->GetCandidateListL(*candidateArray);

    ptiEngine->HandleCommandL(EPtiCommandUserActionGetCurrentIndexOfCandidates, &index);

    UpdateCandidateListL(index);

    }

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

// TAknFepUiInputStateCandidateHiraganaKanji::CloseUI

// Closing UI

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

//

void TAknFepUiInputStateCandidateHiraganaKanji::CloseUI()

    {

    UIContainer()->

        CandidatePane(MAknFepUICtrlContainerJapanese::EJapaneseCandidatePane)->

            HideWindow();

    }

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

// TAknFepUiInputStateCandidateHiraganaKanji::HandleNumericKeyL

// Handling short keypress events of the numeric and the star

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

//

TBool TAknFepUiInputStateCandidateHiraganaKanji::HandleNumericShortKeyL(TInt /*aKey*/)

    {

    // This state doesn't handle numeric key.

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    ptiEngine->HandleCommandL(EPtiCommandUserActionAllComplete);

    CloseUI();

    iOwner->ChangeState(EMultiCompletion);

    return EFalse;

    }

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

// TAknFepUiInputStateCandidateHiraganaKanji::HandleNaviKeyL

// Handling Navigate keypress event

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

//

TBool TAknFepUiInputStateCandidateHiraganaKanji::HandleNaviKeyL(TInt aKey,

                                                                TKeyPressLength /*aLength*/)

    {

    TBool ret = EFalse;

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    MAknFepUICtrlCandidatePaneInterface* candidatePane =

        UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                     EJapaneseCandidatePane);

    TAknFepUICtrlScroll direction = EScrollNone;

    TPtiEngineCommand ptiCommand = EPtiCommandNone;

    switch(aKey)

        {

        case EKeyLeftArrow:

        case EKeyRightArrow:

        case EStdKeyLeftArrow:      /* 0x0e */

        case EStdKeyRightArrow:     /* 0x0f */

            { // Change Conversion state

            CloseUI();

            iOwner->ChangeState(EConversion);

            ret = EFalse;

            }

            break;

        case EKeyDownArrow:

        case EKeyUpArrow:

        case EStdKeyDownArrow:      /* 0x11 */

        case EStdKeyUpArrow:        /* 0x10 */

        case EStdKeySpace:

            { // The highlight of candidate is moved up/down

            // aKey == EKeyDownArrow

            ptiCommand = EPtiCommandUserActionConvert;

            direction = EScrollDown;

            // aKey == EKeyUpArrow

            if (aKey == EKeyUpArrow || aKey == EStdKeyUpArrow)

                {

                ptiCommand = EPtiCommandUserActionPrevious;

                direction = EScrollUp;

                }

            ptiEngine->HandleCommandL(ptiCommand);

            UpdateInlineEditingCharacterL();

            candidatePane->MoveItem(direction);

            ret = ETrue;

            }

            break;

        default:

            break;

        }

    return ret;

    }

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

// TAknFepUiInputStateCandidateHiraganaKanji::HandleAuxKeyL

// Handling auxiliary keypress events including OK and Backspace

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

//

TBool TAknFepUiInputStateCandidateHiraganaKanji::HandleAuxKeyL(TInt aKey,

                                                               TKeyPressLength /*aLength*/)

    {

    MAknFepUICtrlCandidatePaneInterface* candidatePane =

        UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                     EJapaneseCandidatePane);

    candidatePane->HideWindow();

    switch(aKey)

        {

        case EKeyOK:

        case EStdKeyDevice3:        /* 0xA7 */

        case EStdKeyEnter:          /* 0x03 */

        case EStdKeyNkpEnter:       /* 0x88 */

            {

            iOwner->ChangeState(EMultiCompletion);

            }

            break;

        case EKeyBackspace:

        case EStdKeyBackspace:      /* 0x01 */

        case EStdKeyEscape:         /* 0x04 */

            {

            iOwner->ChangeState(EConversion);

            }

            break;

      default: // Panic

            {

            AknFepPanic(EAknFepPanicNotSupportKey);

            }

            break;

        }

    return EFalse;

    }

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

// TAknFepUiInputStateCandidateHiraganaKanji::UpdateCandidateListL

// Update candidate list

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

//

void TAknFepUiInputStateCandidateHiraganaKanji::UpdateCandidateListL(TInt aIndex /*=0*/)

    {

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CDesCArrayFlat* candidateArray = iOwner->CandidateArray();

    MAknFepUICtrlCandidatePaneInterface* candidatePane =

        UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                     EJapaneseCandidatePane);

    const MPtiEngineCompositionDataInterface* data = ptiEngine->CompositionData();

    // Check ComposirionData

    __ASSERT_DEBUG( data->CompletedString().Length() < 0,

        RDebug::Print(

           _L("In TAknFepUiInputStateCandidateHiraganaKanji::TAknFepUiInputStateCandidateHiraganaKanji INVALID DATA: ConvertingString!")));

    // Get coordinate of input area

    TPoint  leftSideOfBaseLine;

    TInt    height;

    TInt    ascent;

    TInt    documentOffset = data->CursorPosition();

    if (data->NumberOfPhrase() > 0)

        {

        TPtrC8 clauseChar = data->LengthOfPhrase();

        documentOffset = clauseChar[0];

        }

    fepMan->GetScreenCoordinatesL(leftSideOfBaseLine, height, ascent, documentOffset);

    // The showing candidate pop-up list

    candidatePane->SetWindowPosition(leftSideOfBaseLine, height, ascent);

    candidatePane->ShowCandidateListL(candidateArray, aIndex, 

                                      R_AKNFEP_SOFTKEYS_EMPTY_EMPTY_COMMIT);

    }

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

// TAknFepUiInputStateCandidateHiraganaKanji::HandleCommandL

// Handling Command

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

//

void TAknFepUiInputStateCandidateHiraganaKanji::HandleCommandL(TInt aCommandId)

    {

    if(aCommandId == EAknFepResourceChanged)

        {

        // Get the current index number

        CPtiEngine* ptiEngine = iOwner->PtiEngine();

        CDesCArrayFlat* candidateArray = iOwner->CandidateArray();

        TInt index;

        ptiEngine->GetCandidateListL(*candidateArray);

        ptiEngine->HandleCommandL(EPtiCommandUserActionGetCurrentIndexOfCandidates, &index);

        CloseUI();

        UpdateCandidateListL(index);

        }

    else

        {

        // Go through the event to base class.

        TAknFepUiInputStateEntryJapaneseMultitap::HandleCommandL(aCommandId);

        }

    }

// End of file