/*

* Copyright (c) 2002-2005 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 and Stroke phrase candidate state

*

*/

// System includes

#include <PtiEngine.h>  

#include <PtiUserDicEntry.h>

#include <aknnotewrappers.h> //CAknWarningNote 

const TInt KMinCandidateCount = 1;

// User includes

#include "AknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase.h"

#include "AknFepUiInputStateCandidateQwertyBaseChinesePhrase.h"

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepUICtrlInputPane.h"

#include "aknfepuictrleditpane.h"           //phrase creation

#include "AknFepUIManagerStateInterface.h"  

#include "AknFepManager.h" 

#include <AknFep.rsg>                 

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

// AknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase::

// TAknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase

// (other items were commented in a header).

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

//

TAknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase::

    TAknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase(MAknFepUIManagerStateInterface* aOwner,

                                                      MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputMiniQwertyPinyinPhraseBase(aOwner, aUIContainer)

    {

    iState = ECandidate;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    TBool multiplePages = !(uiContainer->CandidatePane()->IsLastPage() &&

                            uiContainer->CandidatePane()->IsFirstPage());

    TInt bufLength = iOwner->PtiEngine()->CandidatePage().Length();

    TBool showHorizontalScrollArrows = multiplePages || bufLength > KMinCandidateCount;

    uiContainer->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    uiContainer->ShowVerticalScrollArrows(multiplePages);

    uiContainer->FocusCandidatePane(ETrue);

    uiContainer->CandidatePane()->ShowCandidateOrdinals(ETrue);

    uiContainer->CandidatePane()->SelectFirstPhrase();

    UIContainer()->EditPaneWindow()->DisableCursor();

    }

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

// AknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase::HandleKeyL

// (other items were commented in a header).

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

//

TBool TAknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase::HandleKeyL(TInt aKey,

                                                                    TKeyPressLength aLength)

    {

    TInt selected = UIContainer()->CandidatePane()->SelectedIndex();

    TInt numbertotal = UIContainer()->CandidatePane()->VisibleCandidateCount();

    if ( iOwner->FepMan()->IsFlagSet( CAknFepManager::EFlagQwertyChrKeyDepressed )

        || iOwner->FepMan()->IsFlagSet( CAknFepManager::EFlagShiftKeyDepressed ) )

        {

        iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );

        return ETrue;

        }

    TBool ret = EFalse;

    switch ( aKey )

        {

        case 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

                        {

                        UIContainer()->EditPaneWindow()->SetChangeState(ETrue);

                        iOwner->ChangeState( EPredictiveCandidate );

                        }

                    }

                }

            else

                {

                iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );

                }

            ret = ETrue;

            }

            break;

        case EStdKeyBackspace:

            {

            UIContainer()->CandidatePane()->SetCandidateBuffer();

            UIContainer()->EditPaneWindow()->SetAutoChangeStateFlag( EManualChangeState );

            UIContainer()->EditPaneWindow()->SetChangeState( ETrue );

            iOwner->ChangeState( EMiniQwertyEdit );

            iOwner->FepMan()->UpdateCbaL( R_AKNFEP_SOFTKEYS_OK_SELECT_CANCEL );

            ret = ETrue;

            }

            break;

        case EStdKeyLeftArrow:

            {

            if ( selected == 0 )

                {

                UIContainer()->CandidatePane()->SelectIndex( numbertotal - 1 );

                }

            else

                {

                UIContainer()->CandidatePane()->SelectIndex( selected - 1 );

                }

            UpdateIndicator();

            ret = ETrue;

            }

            break;

        case EStdKeyRightArrow:

            {

            if ( selected == numbertotal - 1 )

                {

                UIContainer()->CandidatePane()->SelectIndex( 0 );

                }

            else

                {

                UIContainer()->CandidatePane()->SelectIndex( selected + 1 );

                }

            UpdateIndicator();

            ret = ETrue;

            }

            break;

        case EStdKeyDownArrow:

            {

            ret = TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleKeyL(aKey, aLength);

            }

            break;

        case EStdKeyUpArrow:

            {

            if ( UIContainer()->CandidatePane()->IsFirstPage() )

                {

                UIContainer()->EditPaneWindow()->SetAutoChangeStateFlag( EManualChangeState );

                iOwner->ChangeState( EMiniQwertyEdit );

                return ETrue;   

                }

            else

                {

                UIContainer()->CandidatePane()->PreviousCandidatePage();

                UIContainer()->CandidatePane()->SetCandidateBuffer();

                UIContainer()->CandidatePane()->SelectFirstPhrase();

                UpdateIndicator();

                }

            ret = ETrue;

            }

            break;

        case EStdKeyEnter:

            {

            if ( EStroke == iOwner->FepMan()->InputMode() ||

            ECangJie == iOwner->FepMan()->InputMode() ||

            EPinyin == iOwner->FepMan()->InputMode() ) 

                {

                iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );

                }

            ret = ETrue;

            }

            break;

        case EStdKeyDevice0:

        case EStdKeyDevice3:

            {

            TPtrC text = UIContainer()->CandidatePane()->CurrentPhraseCandidate();

            if ( text.Length() && aLength != ELongKeyPress )

                {

                if ( !CommitInlineEEPL( text ) )

                    {

                    DoActionAfterCommit();

                    }

                else

                    {

                    if ( CheckFirstGroupStroke() )

                        {

                        RefreshUI( EFalse );

                        UIContainer()->CandidatePane()->SelectFirstPhrase();

                        }

                    else

                        {

                        UIContainer()->EditPaneWindow()->SetAutoChangeStateFlag( EAutoChangeStateFromCandidate );

                        iOwner->ChangeState( EMiniQwertyEdit );

                        }

                    }

                }

            }

            ret = ETrue;

            break;

        case EKeyLeftCtrl:

        case EKeyRightCtrl:

        case EKeyLeftShift:

            {

            iOwner->FepMan()->PlaySound( EAvkonSIDErrorTone );

            ret = ETrue;

            }

            break;

        case EKeyRightShift:

            {

            ret = ETrue;

            }

            break;

        default:

            return TAknFepInputMiniQwertyPinyinPhraseBase::HandleKeyL(

                aKey, aLength );

        }

    return ret;

    }

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

// TAknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase::HandleCommandL

// Handling Command

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

//

void TAknFepUiInputStateCandidateMiniQwertyPinyinAndStrokePhrase::HandleCommandL(

    TInt aCommandId )

    {

    TPtrC text = UIContainer()->CandidatePane()->CurrentPhraseCandidate( );

    switch ( aCommandId )

        {

        // Handle the event frome command.

        case EAknSoftkeySelect:

       // case (TUint16)EAknSoftkeySelect: //the Selected in soft CBA

            if ( text.Length( ) )

                {

                if ( !CommitInlineEEPL( text ) )

                    {

                    DoActionAfterCommit( );

                    }

                else

                    {

                    if ( CheckFirstGroupStroke( ) )

                        {

                        RefreshUI( EFalse );

                        UIContainer()->CandidatePane()->SelectFirstPhrase( );

                        }

                    else

                        {

                        UIContainer()->EditPaneWindow()->SetAutoChangeStateFlag( EAutoChangeStateFromCandidate );

                        iOwner->ChangeState( EMiniQwertyEdit );

                        }

                    }

                }

            break;

        default:

            TAknFepInputStateChineseBase::HandleCommandL( aCommandId );

            break;

        }

    }

// End of file