/*

* Copyright (c) 2008 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 for cvimpstuiblockviewcontrol.

 *

*/

// INCLUDE FILES

#include "cvimpstuiblockviewcontrol.h"

#include "cvimpstuiblockview.h"

#include "vimpstutils.h"

#include "tvimpstconsts.h"

#include "vimpstui.hrh"

// system include

#include	<aknlists.h>

#include	<eikclbd.h> 

#include <vimpstuires.rsg>

#include <MPbk2KeyEventHandler.h>

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

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

// CVIMPSTUiBlockViewControl::CVIMPSTUiBlockViewControl

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

//

CVIMPSTUiBlockViewControl::CVIMPSTUiBlockViewControl( CVIMPSTUiBlockView& aBlockedView,MPbk2KeyEventHandler& aKeyEventHandler,

													   	MVIMPSTEngine& aEngine,

													   	RPointerArray<HBufC>* aBlockedList)

	:iBlockedView(aBlockedView),

	 iKeyEventHandler(aKeyEventHandler),

	 iEngine( aEngine ),

	 iBlockedList(aBlockedList)

    {

    }

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

// CVIMPSTUiBlockViewControl::ConstructL

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

//

void CVIMPSTUiBlockViewControl::ConstructL()

    {

    CreateWindowL();

    iItemArray = new ( ELeave ) CDesCArrayFlat( KArrayGranularity );   

    // Create listbox

    iListBox = new ( ELeave ) CAknSingleGraphicStyleListBox;

    iListBox->ConstructL( this, EAknListBoxSelectionList );

    iListBox->SetContainerWindowL(*this);

    iListBox->CreateScrollBarFrameL(ETrue);

    iListBox->ScrollBarFrame()->SetScrollBarVisibilityL

        (CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto);

    // set marquee on

    iListBox->ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue );

   	iListBox->Model()->SetItemTextArray( iItemArray );

	iListBox->Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );

	iListBox->SetListBoxObserver( this );

	iCurrentItemIndex = 0;

	UpdateBlockedListL();

	ActivateL();

    }

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

// CVIMPSTUiBlockViewControl::NewL

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

//

CVIMPSTUiBlockViewControl* CVIMPSTUiBlockViewControl::NewL( CVIMPSTUiBlockView& aBlockedView,

        								    MPbk2KeyEventHandler& aKeyEventHandler, 

        									MVIMPSTEngine& aEngine,

        									RPointerArray<HBufC>* aBlockedList )

    {

    CVIMPSTUiBlockViewControl* self = NewLC(aBlockedView,aKeyEventHandler,aEngine, aBlockedList );

    CleanupStack::Pop(self);

    return self;

    }

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

// CVIMPSTUiBlockViewControl::NewLC

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

//

CVIMPSTUiBlockViewControl* CVIMPSTUiBlockViewControl::NewLC( CVIMPSTUiBlockView& aBlockedView,

									          MPbk2KeyEventHandler& aKeyEventHandler,

									          MVIMPSTEngine& aEngine,

									          RPointerArray<HBufC>* aBlockedList )

    {

    CVIMPSTUiBlockViewControl* self =

        new (ELeave) CVIMPSTUiBlockViewControl(aBlockedView,aKeyEventHandler, aEngine, aBlockedList );

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// CVIMPSTUiBlockViewControl::Destructor

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

//

CVIMPSTUiBlockViewControl::~CVIMPSTUiBlockViewControl()

    {

	delete iItemArray;

	iItemArray = NULL;

    delete iListBox;

    iListBox = NULL;

	}

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

// CVIMPSTUiBlockViewControl::HandleControlEventL

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

//

void CVIMPSTUiBlockViewControl::HandleControlEventL(CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)

    {

    }

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

// CVIMPSTUiBlockViewControl::HandleListBoxEventL

// Handles list box events

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

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

//

void CVIMPSTUiBlockViewControl::HandleListBoxEventL( CEikListBox* /*aListBox*/,

												 TListBoxEvent aEventType )

	{

	iCurrentItemIndex = iListBox->CurrentItemIndex();

	if(aEventType == EEventEnterKeyPressed)

	    {

	    iBlockedView.HandleCommandL(ECmdUnBlock);                          

	    }

	}

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

// CVIMPSTUiBlockViewControl::SizeChanged()

// Called by framework

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

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

//

void CVIMPSTUiBlockViewControl::SizeChanged()

	{

	if ( iListBox )

        {

        iListBox->SetRect(Rect());

        }  

    }

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

// CVIMPSTUiBlockViewControl::CountComponentControls()

// Returns number of controls

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

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

//

TInt CVIMPSTUiBlockViewControl::CountComponentControls() const

	{

	//Only one compound control so returning 1

	return 1;

	}

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

// CVIMPSTUiBlockViewControl::ComponentControl( TInt aIndex )

// Returns control for given index

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

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

//

CCoeControl* CVIMPSTUiBlockViewControl::ComponentControl( TInt aIndex ) const

	{

	if( aIndex == 0 )

		{

        return iListBox;

        }

    else

        {

        return NULL;

    	}

	}

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

// CVIMPSTUiBlockViewControl::UpdateBlockedListL()

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

//

void CVIMPSTUiBlockViewControl::UpdateBlockedListL()

    {

	iItemArray->Reset();

	TInt granularity( iItemArray->Count() );

	++granularity;

   	CDesCArray* tempArray = new ( ELeave ) CDesCArrayFlat( granularity );

	CleanupStack::PushL( tempArray );

    iListBox->Model()->SetItemTextArray( tempArray );

	iListBox->Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );

	iListBox->HandleItemAdditionL();

	for ( TInt i =0; i < iBlockedList->Count() ; ++ i)

	    {

	    TInt sizeOfItemText;

	    // Calculating the size of the text that will be entered into listbox.

	    // 3 * KTab().Length() calculates the length of the tabs that is 

	    // appended to the actual text.

	    sizeOfItemText = (*iBlockedList)[i]->Length() + 3 * KTab().Length();

	    HBufC* itemText = HBufC::NewLC( sizeOfItemText ); // changing stuff..

	    TPtr itemTextPtr( itemText->Des() );

	    itemTextPtr.Append( KTab );

	    itemTextPtr.Append( (*iBlockedList)[i]->Des());

	    itemTextPtr.Append( KTab );

	    itemTextPtr.Append( KTab );

	    iItemArray->AppendL( itemTextPtr );

	    CleanupStack::PopAndDestroy( itemText );

	    }

	CleanupStack::PopAndDestroy(tempArray );  // tempArray

	iItemArray->Sort();

	iListBox->Model()->SetItemTextArray( iItemArray );

	iListBox->Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );

    iListBox->HandleItemAdditionL();

    if(0==iBlockedList->Count())

	    {

	    SetEmptyTextsToListboxL();	

	    }

	if ( iItemArray->MdcaCount() > 0 )

		{

		iListBox->SetCurrentItemIndexAndDraw( 0 );

		}

    iListBox->UpdateScrollBarsL();

    SetCurrentIndex(iCurrentItemIndex);

    UpdateCbaL();

    }

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

// CVIMPSTUiBlockViewControl::ListBox()

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

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

//

CEikListBox* CVIMPSTUiBlockViewControl::ListBox() const

	{

	return iListBox;

	}

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

// CVIMPSTUiBlockViewControl::GetFocusedItemText

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

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

//

HBufC* CVIMPSTUiBlockViewControl::GetFocusedContactLC() const

	{

	HBufC* retText = NULL;

	TInt curIndex = iListBox->CurrentItemIndex();

	if(KErrNotFound != curIndex)

	    {

	    TPtrC ptr= iItemArray->MdcaPoint(curIndex);

	    ptr.Set(ptr.Mid(1));  // set pointer from next char :since first char is KTab

        TInt pos=ptr.FindC(KTab);

        if( pos !=KErrNotFound &&  (pos != ptr.Length()-1))

            {

            ptr.Set(ptr.Mid( 0, pos));

            retText = ptr.AllocLC();

            }

	    }

    return retText;

	}

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

// CVIMPSTUiBlockViewControl::GetCurrentIndex

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

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

//

TInt CVIMPSTUiBlockViewControl::GetCurrentIndex() const

	{

	return iCurrentItemIndex ;

	}

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

// CVIMPSTUiBlockViewControl::GetCurrentIndex

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

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

//

void CVIMPSTUiBlockViewControl::SetCurrentIndex(TInt aIndex)

	{

	if(aIndex>0)

		{

	    TInt blockedCount = iListBox->Model()->NumberOfItems();

		if(blockedCount > 0)

			{

			TInt itemIndex = aIndex % blockedCount;

			iListBox->SetCurrentItemIndex(itemIndex);

			}

		}

	}

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

// CVIMPSTUiBlockViewControl::UpdateCbaL()

// Updates Softkeys according to current focus.

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

//

void CVIMPSTUiBlockViewControl::UpdateCbaL()

    {

    TInt cbaRes = R_SERVTAB_SOFTKEYS_EMPTY_EMPTY__BACK;    

    if ( !iCba ) 

	    {

	    iCba = CEikButtonGroupContainer::Current();

	    }

  	if( iCba )

        {

        iCba->SetCommandSetL( cbaRes );

     	iCba->DrawNow();

        }

    }

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

// CVIMPSTUiBlockViewControl::OfferKeyEventL()

// Handles user key inputs

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

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

//

TKeyResponse CVIMPSTUiBlockViewControl::OfferKeyEventL( const TKeyEvent& aKeyEvent,

													TEventCode aType )

	{

	if ( !aKeyEvent.iCode ) 

	        {

	        //The character code generated 

	        //for an EEventKey, or 0 for a down or up event.

	        //For down or up key return key consumed.. handle only the events

	        if((EEventKeyDown == aType) && (EStdKeyDevice3 == aKeyEvent.iScanCode))

	            {

	            //for setting the command to be executed for the "Selection key"

	            //in case of selection key, container's OfferKeyEventL() is called only for EEventKeyDown and EEventKeyUp

	            //and not for EEventKey

	            UpdateCbaL();

	            }

	        return EKeyWasConsumed;         

	        }

	TKeyResponse result = EKeyWasNotConsumed;

	iCurrentItemIndex = iListBox->CurrentItemIndex();

    // Offer key event first to the key event handler

    if ( (&iKeyEventHandler ) && iKeyEventHandler.Pbk2ProcessKeyEventL

            ( aKeyEvent, aType ) )

        {

        result = EKeyWasConsumed;

        }

    switch(aKeyEvent.iCode )

        {

      /*  case EKeyEnter:

           {

           iBlockedView.HandleCommandL(ECmdUnBlock);

           result = EKeyWasConsumed;

           break;

           } */

        default:

           {

           break;

           }

        }

    if( result == EKeyWasConsumed )

       {

       // user might has choosen back/end key/application key etc

       // application might switch to background 

       // return from here

       return result; 

       }

    // Not consumed by the key handler, offer to the control next

    if ( result == EKeyWasNotConsumed )

        {

        if ( iListBox )

            {

            result = iListBox->OfferKeyEventL(aKeyEvent, aType);

            }

        }

    UpdateCbaL();

    return result;

	}

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

// CVIMPSTUiBlockViewControl::SetEmptyTextsToListboxL()

// See header for details. 

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

//

void CVIMPSTUiBlockViewControl::SetEmptyTextsToListboxL()

    {    

    HBufC* emptyFinal = VIMPSTUtils::LoadResourceL(R_SERVTAB_BLOCKLIST_BKGD);

    CleanupStack::PushL(emptyFinal);

    iListBox->View()->SetListEmptyTextL( *emptyFinal );

    CleanupStack::PopAndDestroy(emptyFinal);

    }

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

// CVIMPSTUiBlockViewControl::SetUpdatingTextsToListboxL()

// See header for details. 

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

//

void CVIMPSTUiBlockViewControl::SetUpdatingTextsToListboxL()

    {    

    HBufC* updating = VIMPSTUtils::LoadResourceL(R_SERVTAB_BLOCKLIST_BKGDTO);

    CleanupStack::PushL(updating);

    iListBox->View()->SetListEmptyTextL( *updating );

    CleanupStack::PopAndDestroy(updating);

    }

//  End of File