/*

* 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

*                TAknFepUiInputStateJapanesePredictiveBase methods.

*

*/

// INCLUDE FILES

#include "AknFepUiInputStateJapanesePredictiveBase.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>       // MPtiEngineCompositionDataInterface

// CONSTANTS

/**

 *  TAknFepUiInputStateJapanesePredictiveBase class.

 * 

 */

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

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

// TAknFepUiInputStateJapanesePredictiveBase::

//                      TAknFepUiInputStateJapanesePredictiveBase

// C++ default Constructor

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

//

TAknFepUiInputStateJapanesePredictiveBase::

    TAknFepUiInputStateJapanesePredictiveBase(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerJapanese* aUIContainer)

    :TAknFepUiInputStateJapaneseBase(aOwner, aUIContainer)

    {

    }

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

// TAknFepUiInputStateJapanesePredictiveBase::CloseUI

// Closing UI

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

//

void TAknFepUiInputStateJapanesePredictiveBase::CloseUI()

    {

    MAknFepUICtrlContainerJapanese* uicontainer = UIContainer();

    MAknFepUICtrlCandidatePaneInterface* predictivePane =

        uicontainer->CandidatePane(MAknFepUICtrlContainerJapanese::

                                   EJapanesePredictiveCandidatePane);

    // Closeing candidate pop-up list

    predictivePane->HideWindow();

    }

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

// TAknFepUiInputStateJapanesePredictiveBase::HandleNumericLongKeyL

// Handling Numeric long keypress event

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

//

TBool TAknFepUiInputStateJapanesePredictiveBase::HandleNumericLongKeyL(TInt /*aKey*/)

    {

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

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

    // Not handling long keypress events if exist transitory input string

    TPtrC text = data->ConvertingString();

    if (text.Length() > 1)

        {

        return ETrue;

        }

    // Long keypress events are handled by HandleNumericLongKeyL of

    // CompletionState

    iOwner->ChangeState(EMultiCompletion);

    return EFalse;

    }

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

// TAknFepUiInputStateJapanesePredictiveBase::HandleNaviKeyL

// Handling Navigate keypress event

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

//

TBool TAknFepUiInputStateJapanesePredictiveBase::

  HandleNaviKeyL(TInt aKey, TKeyPressLength /*aLength*/)

    {

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    MAknFepUICtrlContainerJapanese* uicontainer = UIContainer();

    MAknFepUICtrlCandidatePaneInterface* predictivePane =

        uicontainer->CandidatePane(MAknFepUICtrlContainerJapanese::

                                   EJapanesePredictiveCandidatePane);

    TBool ret = EFalse;

	if (predictivePane->CurrentItemIndexOfCandidate() > -1)

		{

	    TAknFepUICtrlScroll direction = EScrollNone;

	    // move hightlight of candidate in cadidate pop-up list

	    switch(aKey)

	        {

	        case EKeyLeftArrow:

	        case EStdKeyLeftArrow:      /* 0x0e */

	            {

	            direction = EScrollLeft;

	            }

	            break;

	        case EKeyRightArrow:

	        case EStdKeyRightArrow:     /* 0x0f */

	            {

	            direction = EScrollRight;

	            }

	            break;

	        case EKeyDownArrow:

	        case EStdKeyDownArrow:      /* 0x11 */

	            {

	            direction = EScrollDown;

	            }

	            break;

	        case EKeyUpArrow:

	        case EStdKeyUpArrow:        /* 0x10 */

	            {

	            direction = EScrollUp;

	            }

	            break;

	        default:

	            break;

	        }

	    predictivePane->MoveItem(direction);

	    TInt index = predictivePane->CurrentItemIndexOfCandidate();

	    ptiEngine->HandleCommandL(EPtiCommandUserActionSetCurrentIndexOfCandidates ,&index);

	    ret = ETrue;

		}

    return ret;

    }

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

// TAknFepUiInputStateJapanesePredictiveBase::UpdateInlineEditingCharacterL

// Update inline editing string

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

//

TBool TAknFepUiInputStateJapanesePredictiveBase::UpdateInlineEditingCharacterL()

    {

    TBool ret = EFalse;

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

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

    // Check ComposirionData

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

        RDebug::Print(_L("In TAknFepUiInputStateJapanesePredictiveBase::UpdateInlineEditingCharacterL,\nINVALID DATA: CompletedString. CompletedString was not OperaOperated!")));

    TPtrC text = data->ConvertingString();

    if (text.Length() > 0)

        {

        // Update of inline editing characters

        fepMan->UpdateInlineEditL(text, text.Length());

        ret = ETrue;

        }

    else

        {

        // Check ConvertingString length

        __ASSERT_DEBUG(text.Length() == 0,

            RDebug::Print(

               _L("In TAknFepUiInputStateJapanesePredictiveBase::UpdateInlineEditingCharacterL,\nINVALID DATA: ConvertingString. Roll back to initial State!")));

        MAknFepUICtrlContainerJapanese* uicontainer = UIContainer();

        MAknFepUICtrlCandidatePaneInterface* predictivePane =

            uicontainer->CandidatePane(MAknFepUICtrlContainerJapanese::

                                       EJapanesePredictiveCandidatePane);

        ptiEngine->ClearCurrentWord();

        fepMan->CancelInlineEdit();

        predictivePane->HideWindow();

        iOwner->ChangeState(EInitial);

        }

    return ret;

    }

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

// TAknFepUiInputStateJapanesePredictiveBase::UpdateCandidateListL

// 

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

//

TBool TAknFepUiInputStateJapanesePredictiveBase::UpdateCandidateListL(TInt aIndex /*= 0*/)

    {

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    CDesCArrayFlat* candidateArray = iOwner->CandidateArray();

    MAknFepUICtrlContainerJapanese* uicontainer = UIContainer();

    MAknFepUICtrlCandidatePaneInterface* predictivePane =

        uicontainer->CandidatePane(MAknFepUICtrlContainerJapanese::

                                   EJapanesePredictiveCandidatePane);

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

    // Get coordinate of input area

    TPoint  leftSideOfBaseLine;

    TInt    height;

    TInt    ascent;

    TInt    documentOffset = data->CursorPosition() > 0 ? data->CursorPosition() : 0;

    fepMan->GetScreenCoordinatesL(leftSideOfBaseLine,

                                  height,

                                  ascent,

                                  documentOffset);

    // show candidate pop-up list

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

    predictivePane->ShowCandidateListL(candidateArray, aIndex, iCbaResourceID);

    return ETrue;

    }

// End of file