/*

* Copyright (c) 2002-2006 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 TAknFepUiInputStateCandidateRetroActive methods.

*

*/

// INCLUDE FILES

#include "AknFepUiInputStateCandidateRetroActive.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

#include <avkon.rsg>

// CONSTANTS

/**

 *  TAknFepUiInputStateCandidateRetroActive class.

 *

 */

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

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

// TAknFepUiInputStateCandidateRetroActive::

//                                  TAknFepUiInputStateCandidateRetroActive

// C++ default Constructor

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

//

TAknFepUiInputStateCandidateRetroActive::TAknFepUiInputStateCandidateRetroActive(

                                    MAknFepUIManagerStateInterface* aOwner,

                                    MAknFepUICtrlContainerJapanese* aUIContainer)

    :TAknFepUiInputStateEntryJapaneseMultitap(aOwner, aUIContainer)

    {

    iState = ECandidateRetroActive;

    }

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

// TAknFepUiInputStateInitialJapaneseBase::InitializeStateL

// Initialize State

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

//

void TAknFepUiInputStateCandidateRetroActive::InitializeStateL()

    {

    iOwner->SetInlineEditUnderlineVisibility(ETrue);

    ShowListL(EAknFepSoftkeyRetroActiveHalf);

    iData = EAknFepSoftkeyRetroActiveHalf;

    }

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

// TAknFepUiInputStateCandidateRetroActive::CloseUI

// Closing UI

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

//

void TAknFepUiInputStateCandidateRetroActive::CloseUI()

    {

    // commit the current item

    TRAP_IGNORE(DoCommitItemL());

    // Move the status to EInitial.

    iOwner->PtiEngine()->ClearCurrentWord();

    iOwner->ChangeState(EInitial);

    }

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

// TAknFepUiInputStateCandidateRetroActive::HandleNumericKeyL

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

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

//

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

    {

    // This state doesn't handle numeric key.

    // commit the current item

    DoCommitItemL();

    // Move the status to EInitial.

    iOwner->PtiEngine()->ClearCurrentWord();

    iOwner->ChangeState(EInitial);

    // Return EFalse, because of going through the event

    return EFalse;

    }

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

// TAknFepUiInputStateCandidateRetroActive::HandleNaviKeyL

// Handling Navigate keypress event

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

//

TBool TAknFepUiInputStateCandidateRetroActive::HandleNaviKeyL(TInt aKey,

                                                                TKeyPressLength /*aLength*/)

    {

    TBool ret = EFalse;

    MAknFepUICtrlCandidatePaneInterface* candidatePane =

        UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                     EJapaneseCandidatePane);

    TAknFepUICtrlScroll direction = EScrollNone;

    switch(aKey)

        {

        case EKeyDownArrow:

        case EKeyUpArrow:

        case EStdKeyDownArrow:      /* 0x11 */

        case EStdKeyUpArrow:        /* 0x10 */

        case EStdKeySpace:

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

            direction = EScrollDown;

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

                {

                direction = EScrollUp;

                }

            candidatePane->MoveItem(direction);

            ret = ETrue;

            }

            break;

        case EKeyLeftArrow:

        case EKeyRightArrow:

        case EStdKeyLeftArrow:      /* 0x0e */

        case EStdKeyRightArrow:     /* 0x0f */

            ret = ETrue;

            break;

        default:

            break;

        }

    return ret;

    }

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

// TAknFepUiInputStateCandidateRetroActive::HandleAuxKeyL

// Handling auxiliary keypress events including OK and Backspace

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

//

TBool TAknFepUiInputStateCandidateRetroActive::HandleAuxKeyL(TInt aKey,

                                                               TKeyPressLength /*aLength*/)

    {

    TBool ret = EFalse;

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    MAknFepUICtrlCandidatePaneInterface* candidatePane =

        UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                     EJapaneseCandidatePane);

    TInt currentIdex = candidatePane->CurrentItemIndexOfCandidate();

    candidatePane->HideWindow();

    switch(aKey)

        {

        case EKeyOK:

        case EStdKeyDevice3:        /* 0xA7 */

        case EStdKeyEnter:          /* 0x03 */

        case EStdKeyNkpEnter:       /* 0x88 */

            {

            DoSelectItemL();

            ret = ETrue;

            }

            break;

        case EKeyBackspace:

        case EStdKeyBackspace:      /* 0x01 */

        case EStdKeyEscape:         /* 0x04 */

            {

            fepMan->SetInlineEditingCursorVisibilityL(ETrue);

            ptiEngine->HandleCommandL(EPtiCommandUserActionCancel);

            iOwner->SetInlineEditUnderlineVisibility(ETrue);

            if(iOwner->IsPredictive())

                {

                iOwner->ChangeState(EPredictiveInput);

                ShowPredictiveListL();

                }

            else

                {

                UpdateInlineEditingCharacterL();

                iOwner->ChangeState(EEntry);

                }

            ret = ETrue;

            }

            break;

      default: // Panic

            {

            AknFepPanic(EAknFepPanicNotSupportKey);

            }

            break;

        }

    return ret;

    }

void TAknFepUiInputStateCandidateRetroActive::HandleCommandL(TInt aCommandId)

    {

    // Close current popup window

    MAknFepUICtrlCandidatePaneInterface*

        candidatePane = UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                                     EJapaneseCandidatePane);

    switch (aCommandId)

        {

        case EAknFepSoftkeyCommit:

            candidatePane->HideWindow();

            DoSelectItemL();

            break;

        case EAknFepSoftkeyRetroActiveHalf:

        case EAknFepSoftkeyRetroActiveFull:

            {

            candidatePane->HideWindow();

            // Change from half to full or from full to half

            ShowListL(aCommandId);

            iData = aCommandId;

            }

            break;

        case EAknFepResourceChanged:

            {

            TInt currentIdex = candidatePane->CurrentItemIndexOfCandidate();

            candidatePane->HideWindow();

            // Change from half to full or from full to half

            ShowListL(iData, currentIdex);

            break;

            }

        default:

            // Go through the event to base class.

            TAknFepUiInputStateEntryJapaneseMultitap::HandleCommandL(aCommandId);

            break;

        }

    }

void TAknFepUiInputStateCandidateRetroActive::ShowListL(TInt aCommandId, TInt aIndex /*=0*/)

    {

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    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 TAknFepUiInputStateCandidateRetroActive::TAknFepUiInputStateCandidateRetroActive INVALID DATA: ConvertingString!")));

    // Get coordinate of input area

    TPoint  leftSideOfBaseLine;

    TInt    height;

    TInt    ascent;

    TInt    documentOffset = data->CursorPosition();

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

    // Decide either half or full

    TPtiEngineCommand command = EPtiCommandUserActionRetroActiveCandidateHalf;

    TInt resId = R_AKNFEP_SOFTKEYS_RETROACTIVE_FULL_WIDTH;

    if (aCommandId == EAknFepSoftkeyRetroActiveFull)

        {

        command = EPtiCommandUserActionRetroActiveCandidateFull;

        resId = R_AKNFEP_SOFTKEYS_RETROACTIVE_HALF_WIDTH;

        }

    // Get the showing candidates

    ptiEngine->HandleCommandL(command, (TAny*)candidateArray);

    if (candidateArray->Count() > 0)

        {

        // Show the retroactive popup

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

        candidatePane->ShowCandidateListL(candidateArray, aIndex, resId);

        }

    else

        {

        // return to Entry state

        iOwner->ChangeState(EEntry);

        }

    }

void TAknFepUiInputStateCandidateRetroActive::ShowPredictiveListL()

    {

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    // normal operation

    if (UpdateInlineEditingCharacterL())

        {

        // Get the candidate array object

        CDesCArrayFlat* candidateArray = iOwner->CandidateArray();

        // Set the candidates to array on PtiEngine

        ptiEngine->GetCandidateListL(*candidateArray);

        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, 0, iCbaResourceID);

        }

    }

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

// TAknFepUiInputStateCandidateRetroActive::DoSelectItemL

// Select a current item, and commit it.

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

//

void TAknFepUiInputStateCandidateRetroActive::DoSelectItemL()

    {

    // commit the current item

    DoCommitItemL();

    if (iOwner->FepMan()->EditorHasFreeSpace()

     && iOwner->IsPredictive())

        {

        iOwner->ChangeState(ENextWord);

        }

    else

        {

        iOwner->PtiEngine()->ClearCurrentWord();

        iOwner->ChangeState(EInitial);

        }

    }

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

// TAknFepUiInputStateCandidateRetroActive::DoCommitItemL

// Commit a current item

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

//

void TAknFepUiInputStateCandidateRetroActive::DoCommitItemL()

    {

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    MAknFepUICtrlCandidatePaneInterface* candidatePane =

        UIContainer()->CandidatePane(MAknFepUICtrlContainerJapanese::

                                     EJapaneseCandidatePane);

    TInt currentIdex = candidatePane->CurrentItemIndexOfCandidate();

    candidatePane->HideWindow();

    iOwner->ChangeState(EMultiCompletion);

    CDesCArrayFlat* candidateArray = iOwner->CandidateArray();

    TPtrC ptr((*candidateArray)[currentIdex]);

    ptiEngine->HandleCommandL(EPtiCommandUserActionRetroActiveCommit, &ptr);

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

    TPtrC text = data->CompletedString();

    if (text.Length() > 0)

        {

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

        }

    }

// End of file