/*

* Copyright (c) 2007 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  TAknFepInputStateEntryMiniQwertyStrokePhrase,

 *       TAknFepInputStateEditingMiniQwertyStrokePhrase,

 *       TAknFepUiInputStateCandidateMiniQwertyStrokePhrase methods.

 *

*/

// System includes

#include <PtiEngine.h>  

#include <PtiUserDicEntry.h>

#include <aknnotewrappers.h> //CAknWarningNote

#include <aknfep.rsg>  

// User includes

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepUICtrlInputPane.h"

#include "aknfepuictrleditpane.h"           //phrase creation

#include "AknFepUIManagerStateInterface.h"  

#include "AknFepManager.h" 

#include "aknfepuiinputstateminiqwertystrokephrase.h"

const TInt KManualChangeState = 0; 

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

// TAknFepInputStateEntryMiniQwertyStrokePhrase::TAknFepInputStateEntryMiniQwertyStrokePhrase

// C++ default constructor

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

//

TAknFepInputStateEntryMiniQwertyStrokePhrase::TAknFepInputStateEntryMiniQwertyStrokePhrase(

    MAknFepUIManagerStateInterface* aOwner,

    MAknFepUICtrlContainerChinese* aUIContainer ):

    TAknFepInputMiniQwertyStrokePhraseBase( aOwner, aUIContainer )

    {

    iState = EEntry;

    UIContainer()->SetLayout( MAknFepUICtrlContainerChinese::ELayoutKeystroke );

    UIContainer()->FocusCandidatePane( ETrue );

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

    UIContainer()->CandidatePane()->ShowCandidateOrdinals( EFalse );

    UIContainer()->SetFepMan( iOwner->FepMan() );

    // so that it could handle EKeyCBA1

    iOwner->FepMan()->EntryPhrase( ETrue );

    RefreshUI();

    }

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

// TAknFepInputStateEntryMiniQwertyStrokePhraseCreation::HandleKeyL

// Handle system key press event.

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

// 

TBool TAknFepInputStateEntryMiniQwertyStrokePhrase::HandleKeyL( TInt aKey,

    TKeyPressLength aLength )

    {

    TBool ret = ETrue;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

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

    switch ( aKey )

        {

        case EStdKeyLeftFunc: //chr key

        case EKeyLeftShift:

        case EKeyRightShift:

        case EKeyLeftCtrl:

        case EKeyRightCtrl:

        case EKeyRightFunc://fn 

        case EKeyLeftFunc: // fn 

            {

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

            ret = EFalse;

            break;

            }

        case EStdKeyDevice1: // cancel key

            {

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

            break;

            }

        case EStdKeyEnter:

        case EStdKeySingleQuote: // The "&" key

            {

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

            break;

            }

        case EStdKeyUpArrow:

            {

            if ( candidatePane->IsFirstPage() )

                {

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

                iOwner->ChangeState( EMiniQwertyEdit );

                }

            else

                {

                candidatePane->PreviousCandidatePage();

                candidatePane->SetCandidateBuffer();

                candidatePane->SelectFirst();

                UpdateIndicator();

                }

            break;

            }

        case EStdKeyDownArrow:

            {

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

            break;

            }

        case EStdKeyRightArrow:

            {

            if ( candidatePane->VisibleCandidateCount()!= 1 )

                {

                uiContainer->EditPaneWindow()->SetCandidateRefreshFlag( ETrue );

                candidatePane->SelectNext();

                }

            break;

            }

        case EStdKeyLeftArrow:

            {

            if ( candidatePane->VisibleCandidateCount()!= 1 )

                {

                uiContainer->EditPaneWindow()->SetCandidateRefreshFlag( ETrue );

                }

            break;

            }

        case EStdKeyDevice0: //select key 

        case EStdKeyDevice3: // msk 

            {

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

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

                {

                if ( !CommitInlineEEPL( text ) )

                    {

                    DoActionAfterCommit();

                    }

                else

                    {

                    if ( CheckFirstGroupStroke() )

                        {

                        }

                    else

                        {

                        uiContainer->EditPaneWindow()->SetAutoChangeStateFlag( EAutoChangeStateFromInput );

                        iOwner->ChangeState( EMiniQwertyEdit );

                        }

                    }

                }

            break;

            }

        default:

            // chr + character 

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

                {

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

                ret = EFalse;

                }

            else if ( CAknFepFnKeyManager::EFnKeyNext == iOwner->FepMan()->FnKeyState() || CAknFepFnKeyManager::EFnKeyLock

                == iOwner->FepMan()->FnKeyState() || CAknFepFnKeyManager::EFnKeyDown

                == iOwner->FepMan()->FnKeyState() ) //fn play error tone

                {

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

                }

            else

                {

                ret = TAknFepInputMiniQwertyStrokePhraseBase::HandleKeyL(

                    aKey, aLength );

                }

            break;

        }

    return ret;

    }

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

// TAknFepInputStateEditingMiniQwertyStrokePhrase::TAknFepInputStateEditingMiniQwertyStrokePhrase

// C++ default constructor

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

//

TAknFepInputStateEditingMiniQwertyStrokePhrase::TAknFepInputStateEditingMiniQwertyStrokePhrase(

    MAknFepUIManagerStateInterface* aOwner,

    MAknFepUICtrlContainerChinese* aUIContainer ):

    TAknFepInputMiniQwertyStrokePhraseBase( aOwner, aUIContainer )

    {

    iState = EMiniQwertyEdit;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    RefreshUI();

    uiContainer->FocusCandidatePane( EFalse );

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

    }

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

// TAknFepInputStateEditingMiniQwertyStrokePhrase::HandleKeyL

// Handle system key press event.

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

// 

TBool TAknFepInputStateEditingMiniQwertyStrokePhrase::HandleKeyL( TInt aKey,

    TKeyPressLength aLength )

    {

    TBool ret = ETrue;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

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

    //handle chr up when composition key with chr end

    //avoid closing UI

    if ( iOwner->FepMan()->GetComposChrFlag() && aKey == EStdKeyLeftFunc )

        {

        iOwner->FepMan()->SetComposChrFlag( EFalse );

        return ETrue;

        }

    switch ( aKey )

        {

        case EKeyLeftShift:

        case EKeyRightShift:

        case EKeyLeftCtrl:

        case EKeyRightCtrl:

        case EKeyRightFunc://fn 

        case EKeyLeftFunc: // fn 

            {

            if ( !uiContainer->EditPaneWindow()->GetAutoChangeStateFlag()

                 || uiContainer->EditPaneWindow()->PhraseArray()->Count() != 0)

                {

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

                }

            else

                {

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

                ret = EFalse;

                }

            break;

            }

        case EStdKeyLeftFunc: //chr key

            {

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

            ret =EFalse;

            }

            // inactive 

        case EStdKeyUpArrow:

            {

            break;

            }

            //if the canidate is empty ,inactive;else candiniate selecting state

        case EStdKeyDownArrow:

            {

            if ( 0 != candidatePane->VisibleCandidateCount() )

                {

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

                }

            break;

            }

        case EStdKeyDevice1: //"cancle" key

            {

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

            break;

            }

        case EStdKeySingleQuote:

        case EStdKeyEnter:

            {

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

            break;

            }

        default:

            // chr + character 

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

                {

                iOwner->FepMan()->SetComposChrFlag( ETrue );

                if ( !uiContainer->EditPaneWindow()->GetAutoChangeStateFlag()

                      || uiContainer->EditPaneWindow()->PhraseArray()->Count() != 0)

                    {

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

                    return  ETrue;

                    }

                else

                    {

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

                    return EFalse;

                    }

                }

            else

                {

                ret = TAknFepInputMiniQwertyStrokePhraseBase::HandleKeyL(

                    aKey, aLength);

                break;

                }

        }

    return ret;

    }

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

// TAknFepUiInputStateCandidateMiniQwertyStrokePhrase::TAknFepUiInputStateCandidateMiniQwertyStrokePhrase

// C++ default constructor

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

//

TAknFepUiInputStateCandidateMiniQwertyStrokePhrase::TAknFepUiInputStateCandidateMiniQwertyStrokePhrase(

    MAknFepUIManagerStateInterface* aOwner,

    MAknFepUICtrlContainerChinese* aUIContainer ):

    TAknFepInputMiniQwertyStrokePhraseBase( aOwner, aUIContainer )

    {

    iState = ECandidate;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    uiContainer->FocusCandidatePane( ETrue );

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

    if ( uiContainer->EditPaneWindow()->GetCandidateRefreshFlag() )

        {

        uiContainer->EditPaneWindow()->DisableCursor();

        uiContainer->EditPaneWindow()->SetCandidateRefreshFlag( EFalse );

        }

    else

        {

        RefreshUI();

        }

    }

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

// TAknFepUiInputStateCandidateMiniQwertyStrokePhrase::HandleKeyL

// Handle system key press event.

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

//

TBool TAknFepUiInputStateCandidateMiniQwertyStrokePhrase::HandleKeyL(

    TInt aKey, TKeyPressLength aLength )

    {

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

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

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

    TBool ret = ETrue;

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

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

        {

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

        return ETrue;

        }

    switch ( aKey )

        {

        case EStdKeyBackspace:

            {

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

            uiContainer->EditPaneWindow()->SetAutoChangeStateFlag( KManualChangeState );

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

            iOwner->ChangeState( EMiniQwertyEdit );

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

            }

            break;

        case EStdKeyLeftArrow:

            {

            if ( selected == 0 )

                {

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

                }

            else

                {

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

                }

            }

            break;

        case EStdKeyRightArrow:

            {

            if ( selected == numbertotal-1 )

                {

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

                }

            else

                {

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

                }

            }

            break;

        case EStdKeyDownArrow:

            {

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

            }

            break;

        case EStdKeyUpArrow:

            {

            if ( uiContainer->CandidatePane()->IsFirstPage() )

                {

                uiContainer->EditPaneWindow()->SetAutoChangeStateFlag( KManualChangeState );

                iOwner->ChangeState( EMiniQwertyEdit );

                }

            else

                {

                uiContainer->CandidatePane()->PreviousCandidatePage();

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

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

                UpdateIndicator();

                }

            }

            break;

        case EStdKeyDevice0:

        case EStdKeyDevice3:

            {

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

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

                {

                if ( !CommitInlineEEPL( text ) )

                    {

                    DoActionAfterCommit();

                    }

                else

                    {

                    if ( CheckFirstGroupStroke() )

                        {

                        RefreshUI();

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

                        }

                    else

                        {

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

                        iOwner->ChangeState( EMiniQwertyEdit );

                        }

                    }

                }

            }

            break;

        case EStdKeyEnter:

        case EKeyLeftCtrl:

        case EKeyRightCtrl:

        case EKeyLeftShift:

        case EStdKeySpace:

            {

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

            }

            break;

//        case EKeyRightShift:   // need to check later

//            {

//            return ret;

//            }

//            break;

        default:

            return TAknFepInputMiniQwertyStrokePhraseBase::HandleKeyL( aKey,

                aLength );

        }

    return ret;

    }

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

// TAknFepInputStateEditingMiniQwertyStrokePhrase::HandleCommandL

// Handling Command

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

//

void TAknFepInputStateEditingMiniQwertyStrokePhrase::HandleCommandL(

    TInt aCommandId )

    {

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer( );

    switch ( aCommandId )

        {

        // Handle the event frome command.

        case EAknSoftkeySelect:            

            if ( !uiContainer->EditPaneWindow()->GetAutoChangeStateFlag( ) || uiContainer->EditPaneWindow()->PhraseArray()->Count( ) != 0 )

                {

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

                }

            else

                {

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

                }

            break;

        default:

            TAknFepInputStateChineseBase::HandleCommandL( aCommandId );

            break;

        }

    }