/*

* 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 predictive input phrase state

*

*/

#include "AknFepUICtrlCandidatePane.h"

#include "AknFepUiInputStatePredictiveInputMiniQwertyChinesePhrase.h"

#include "AknFepUiCtrlContainerChinese.h"

#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

#include "aknfepuictrleditpane.h"

#include <PtiEngine.h>                      //CPtiEngine

TAknFepInputStatePredictiveInputMiniQwertyChinesePhrase::

TAknFepInputStatePredictiveInputMiniQwertyChinesePhrase(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateCandidateQwertyBaseChinesePhrase(aOwner, aUIContainer)

    {

    iState = EPredictiveInput;

    MAknFepUICtrlContainerChinese* uiContainer = UIContainer();

    MAknFepUICtrlCandidatePane* candidatePane = uiContainer->CandidatePane();

    candidatePane->SelectFirstPhrase(); 

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

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

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

    TBool showHorizontalScrollArrows = multiplePages || bufLength>1;

    UIContainer()->ShowHorizontalScrollArrows(showHorizontalScrollArrows); 

    UIContainer()->ShowVerticalScrollArrows(multiplePages);

    uiContainer->FocusCandidatePane(ETrue);

    candidatePane->ShowCandidateOrdinals(ETrue);

    UpdateIndicator();

    }

TBool TAknFepInputStatePredictiveInputMiniQwertyChinesePhrase::HandleKeyL(TInt aKey, 

                                                                          TKeyPressLength aLength)

    {  

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

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

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

        {

    	return ETrue;

        }

    else if (iOwner->FepMan()->FnKeyState())

        {

        return ETrue;

        }

    else if(aKey == EStdKeyBackspace )

        {

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

        return ETrue;

        }               

    else if (aKey ==EKeyRightFunc)//fn key

    	{

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

    	return ETrue;

    	} 

    else if ( aKey ==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

	                {

	                iOwner->ChangeState(EPredictiveCandidate);

	                }

	            }

	        return ETrue;

    		}

    	else 

    		{

            return ETrue; 

    		}

    	}	 	           

    else if ( aKey == EKeyLeftShift || aKey == EKeyRightShift)

        {

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

//        return EFalse;

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

        return ETrue;

        }      

    else if ( aKey == EStdKeyDevice0 || aKey == EStdKeyDevice3 || aKey == EStdKeyEnter )

        {

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

        if(text.Length())

            {            

            MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

            fepMan->NewTextL(text);

            fepMan->CommitInlineEditL();

            iOwner->PtiEngine()->SetPredictiveChineseChar(text);

                {

                fepMan->ClearFlag(CAknFepManager::EFlagEditorFull);

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

                }

            else

                {

                iOwner->ChangeState(EPredictiveCandidate);

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

                }

            }

        return ETrue;

        }   

    else if (aKey == EStdKeyLeftArrow)//in the same row

        {

        if (selected == 0)

           {

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

           }

        else

           {

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

           } 

        UIContainer()->CandidatePane()->SetHighlighted(ETrue);     

        return ETrue;	

        }

    else if (aKey == EStdKeyRightArrow)//in the same row

        {

    	if (selected == numbertotal-1)

    		{

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

    		}

    	else

    		{

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

    		}

    	UIContainer()->CandidatePane()->SetHighlighted(ETrue);     

        return ETrue;		

        }        

    else

        {

        return TAknFepInputStateCandidateQwertyBaseChinesePhrase::HandleKeyL(aKey, aLength);

        } 

   // return EFalse;       

    } 

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

// TAknFepInputStatePredictiveInputMiniQwertyChinesePhrase::HandleCommandL

// Handling Command

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

//

void TAknFepInputStatePredictiveInputMiniQwertyChinesePhrase::HandleCommandL(

    TInt aCommandId )

    {

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

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    switch ( aCommandId )

        {

        // Handle the event frome command.

    case EAknSoftkeySelect:

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

        if ( text.Length() )

            {

            fepMan->NewTextL( text );

            fepMan->CommitInlineEditL();

            iOwner->PtiEngine()->SetPredictiveChineseChar( text );

            if ( fepMan->IsFlagSet( CAknFepManager::EFlagEditorFull ) )

                {

                fepMan->ClearFlag( CAknFepManager::EFlagEditorFull );

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

                }

            else

                {

                iOwner->ChangeState( EPredictiveCandidate );

                }

            }

        break;

    default:

        TAknFepInputStateChineseBase::HandleCommandL( aCommandId );

        break;

    }

}

// End of file