/*

* 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:  drop-down list control

*

*/

#include <peninputinputcontextfield.h>

#include <PtiEngine.h>

#include <peninputdropdownlist.h>

#include <peninputcmdparam.h>

#include <peninputgeneralitutnew.rsg>

#include <peninputitutconfig_chinese.rsg>

#include <AknFepGlobalEnums.h>

#include "peninputitutchnuistatestrokezhuyincomposition.h"

#include "peninputgenericitutuimgrbase.h"

#include "peninputgenericitutdatamgr.h"

#include "peninputgenericitutlayoutcontext.h"

#include "peninputgenericitutconverter.h"

#include "peninputgenericitutwindowmanager.h"

CChnItutUiStateStrokeZhuyinComposition* CChnItutUiStateStrokeZhuyinComposition::NewL(

    CGenericItutUiMgrBase* aOwner)

    {

    CChnItutUiStateStrokeZhuyinComposition* self = 

        new (ELeave) CChnItutUiStateStrokeZhuyinComposition(aOwner);

    CleanupStack::PushL(self);

    self->ConstructL(); 

    CleanupStack::Pop(self);

    return self;

    }

CChnItutUiStateStrokeZhuyinComposition::~CChnItutUiStateStrokeZhuyinComposition()

    {

    }

CChnItutUiStateStrokeZhuyinComposition::CChnItutUiStateStrokeZhuyinComposition(

    CGenericItutUiMgrBase* aOwner):CGenericItutUiStateBase(aOwner)

    {

    }

void CChnItutUiStateStrokeZhuyinComposition::OnEntryL()

    {

    TInt immode = iOwner->DataMgr()->InputMode();

    if (immode == EStroke)

        {

        TInt resID;

        if (iOwner->DataMgr()->InputLanguage() == ELangPrcChinese)

            {

            resID = R_FINGER_INPUT_KEYPAD_STROKE_COMPOSITION_PRC;

            }

        else

            {

            resID = R_FINGER_INPUT_KEYPAD_STROKE_COMPOSITION_TRA;

            }        

        iOwner->DataMgr()->NotifyChangeControlLayout(

            MItutPropertySubscriber::EItutPropertyKeypadResourceId, 

            resID);

        }

    else if (immode == EZhuyin)

        {

        iOwner->DataMgr()->NotifyChangeControlLayout(

            MItutPropertySubscriber::EItutPropertyKeypadResourceId, 

            R_FINGER_INPUT_KEYPAD_ZHUYIN_COMPOSITION);

        }

    // update resource id of keypad, candidate drop list

    iOwner->DataMgr()->NotifyChangeControlLayout(

        MItutPropertySubscriber::EItutPropertyCandidateListResourceId,

        R_AKN_FEP_NORMAL_CAND_DROP_DOWN_LIST);

    // show spell

    CFepInputContextField* spellctrl = 

        static_cast<CFepInputContextField*>(iOwner->LayoutContext()->Control(ECtrlIdSpellICF));

    TFepInputContextFieldData spelldata;

    spelldata.iCmd = EPeninputICFInitial;

    spelldata.iStartPos = 0;

    spelldata.iLength = 0;

    spelldata.iText.Set( KNullDesC );

    spelldata.iCurSel = TCursorSelection(0, 0);

    spelldata.iCursorVisibility = ETrue;

    spelldata.iCursorSelVisible = ETrue;

    spellctrl->SetTextL(spelldata);

    spellctrl->Hide(EFalse);

    // show candidate drop list

    CFepCtrlDropdownList* candlist = 

        static_cast<CFepCtrlDropdownList*>(iOwner->LayoutContext()->Control(ECtrlIdStdCandsList));

    candlist->Hide(EFalse);

    //hide navi button

    iOwner->LayoutContext()->ShowArrowBtn(0);

    //hide indicator 

    iOwner->LayoutContext()->Control(ECtrlIdIndicator)->Hide(ETrue);

    // Show ICF, Backspace after position changed to avoid flick

    iOwner->LayoutContext()->Control(ECtrlIdICF)->Hide( EFalse );

    iOwner->LayoutContext()->Control(ECtrlIdBackspace)->Hide( EFalse );

    }

void CChnItutUiStateStrokeZhuyinComposition::OnExit()

    {

    // hide dropdownlist & reset its status

    CFepCtrlDropdownList* candlist = 

        static_cast<CFepCtrlDropdownList*>(iOwner->LayoutContext()->Control(ECtrlIdStdCandsList));

    iOwner->DataMgr()->ClearChnCandidates(EItutCandidates);

    candlist->Hide(ETrue);

    CFepInputContextField* spellctrl = 

        static_cast<CFepInputContextField*>(iOwner->LayoutContext()->Control(ECtrlIdSpellICF));

    spellctrl->Hide(ETrue);

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

    }

TBool CChnItutUiStateStrokeZhuyinComposition::HandleKeyL(TInt /*aCmd*/, TInt aKey)

    {

    TInt immode = iOwner->DataMgr()->InputMode();

    if (immode != EStroke && immode != EZhuyin)

        {

        return EFalse;

        }

    if (!(aKey == EKeyBackspace || 

         (aKey >= EPtiKey0 && aKey <= EPtiKey9) ||

         (aKey == EPtiKeyStar)))

        {

        return EFalse;

        }

    if (aKey == EKeyBackspace)

        {

        if (!iOwner->DataMgr()->PtiEngine()->DeleteKeyPress().Length())

            {

            iOwner->SetCurrentStateL(CGenericItutUiMgrBase::EStateStandby);

            iOwner->SetClrConsume(ETrue);

            return ETrue;

            }

        } 

    else if (aKey == EPtiKeyStar)

        {

        if (immode == EStroke)

            {

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

            //iOwner->SetCurrentStateL(CGenericItutUiMgrBase::EStateStandby);

            return ETrue;

            }

        else

            {

            // input mode is zhuyin

            // input tonemark

            if (!iOwner->DataMgr()->PtiEngine()->IncrementToneMark(ETrue))

                {

                // tonemark did not set correctly, everything unchanged

                return ETrue;

                }

            }

        }

    else

        {

        if (immode == EZhuyin ||

           (immode == EStroke && aKey >= EPtiKey0 && aKey <= EPtiKey6))

            {

            // append keypress

            iOwner->DataMgr()->PtiEngine()->AppendKeyPress(TPtiKey(aKey));

            } 

        else if (immode == EStroke && aKey >= EPtiKey7 && aKey <= EPtiKey9)

            {

            // just ignore	

            return ETrue;

            }

        }

    // display 1st spell, ptiengine's phonetic spelling start index is 1, not 0

    iOwner->DataMgr()->PtiEngine()->SelectPhoneticSpelling(1);

    CFepInputContextField* spellctrl = 

        static_cast<CFepInputContextField*>(iOwner->LayoutContext()->Control(ECtrlIdSpellICF));

    TPtrC spelltext = iOwner->DataMgr()->PtiEngine()->GetPhoneticSpelling(1);

    TFepInputContextFieldData spelldata;

    spelldata.iCmd = EPeninputICFInitial;

    spelldata.iStartPos = 0;

    spelldata.iLength = spelltext.Length();

    spelldata.iMidPos = -1;

    spelldata.iText.Set(spelltext);

    spelldata.iCurSel = TCursorSelection(spelltext.Length(), spelltext.Length());

    spelldata.iCursorVisibility = EFalse;

    spelldata.iCursorSelVisible = EFalse;

    spellctrl->SetTextL(spelldata);

    // get candidates of 1st spell 

    TPtrC cands = iOwner->DataMgr()->PtiEngine()->CandidatePage();

    iOwner->DataMgr()->ClearChnCandidates(EItutCandidates);

    RPointerArray<HBufC>& candslist = 

        TItutDataConverter::AnyToRptrArray(iOwner->DataMgr()->RequestData(EChnCandidates));

    TItutDataConverter::ConvertChnPhraseCandidateL(cands, candslist);

    CFepCtrlDropdownList* canddroplist = 

        static_cast<CFepCtrlDropdownList*>(iOwner->LayoutContext()->Control(ECtrlIdStdCandsList));

    canddroplist->SetCandidatesL(candslist, CFepCtrlDropdownList::EListExpandableWithBubble);

    return ETrue;

    }

CGenericItutUiMgrBase::TUiState CChnItutUiStateStrokeZhuyinComposition::StateType()

    {

    return CGenericItutUiMgrBase::EStateComposition;

    }

TBool CChnItutUiStateStrokeZhuyinComposition::HandleCtrlEventL(TInt aEventType, 

                                                               CFepUiBaseCtrl* aCtrl, 

                                                               const TDesC& aEventData)

    {

    switch (aEventType)

        {

        case EItutCmdCandidateSelected:

            {

            if (aCtrl->ControlId() == ECtrlIdStdCandsList)

                {

                iOwner->SetCurrentStateL(CGenericItutUiMgrBase::EStatePredict);

                return iOwner->CurrentState()->HandleCtrlEventL(aEventType,

                                                                aCtrl,

                                                                aEventData);

                }

            }

            break;

        case EItutCmdGetNextCandidatePage:

            {

            if (aCtrl->ControlId() == ECtrlIdStdCandsList)

                {

                RPointerArray<HBufC>& candslist = TItutDataConverter::AnyToRptrArray(

                    iOwner->DataMgr()->RequestData(EChnCandidates));

                // original candidate count before fetch new candidate

                TInt candscnt = candslist.Count();

                if (iOwner->DataMgr()->GetNextPageCandidateL(candslist) == KErrNone)

                    {

                    static_cast<CFepCtrlDropdownList*>(aCtrl)->AddCandidatesL(candslist);    

                    }

                return ETrue;

                }

            }

            break;

        case EItutCmdCandidateExisted:

            {

            if (aCtrl->ControlId() == ECtrlIdStdCandsList)

                {

                static_cast<CFepCtrlDropdownList*>(aCtrl)->SetFlagCandidateExist(

                    iOwner->DataMgr()->NextPageCandidateExist());

                return ETrue;

                }

            }

            break;

        // consume star key at zhuyin composition state

        case EEventRawKeyDownEvent:

            {

            if ( iOwner->UiManager()->IsAllowHandleRawKeyEvent())

            	{

				const TKeyEvent *key = reinterpret_cast<const TKeyEvent*>(aEventData.Ptr());

				if (key->iScanCode == EStdKeyNkpAsterisk && iOwner->DataMgr()->InputMode() == EZhuyin)

					{

					HandleKeyL(ECmdPenInputFingerKeyPress, EPtiKeyStar);

					return ETrue;

					}

            	}

            }

            break;

        case EEventRawKeyUpEvent:

            {

            if ( iOwner->UiManager()->IsAllowHandleRawKeyEvent())

            	{

				const TKeyEvent *key = reinterpret_cast<const TKeyEvent*>(aEventData.Ptr());

				if (key->iScanCode == EStdKeyNkpAsterisk && iOwner->DataMgr()->InputMode() == EZhuyin)

					{

					return ETrue;

					}

            	}

            }

            break;

        default:

            break;

        }

    return EFalse;    

    }

// End Of File