/*

* Copyright (c) 2006 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:  CMnrpNaviControl class implementation

*

*/

#include <e32base.h>

#include <coemain.h>

#include <aknlists.h>

#include <barsread.h>

#include <aknlists.h>

#include "mnrpnavimodel.h"

#include "mnrpnaviview.h"

#include "mnrpnavicontrol.h"

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

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

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

//

CMnrpNaviControl::CMnrpNaviControl( CMnrpNaviView& aView )

 :  iView( aView )

    { 

    }

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

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

//

CMnrpNaviControl::~CMnrpNaviControl()

    {

    delete iListBox;

    delete iModel;

    }

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

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

//

CMnrpNaviControl* CMnrpNaviControl::NewL( 

    CMnrpNaviView& aView, 

    const TRect& aRect,

    CMnrpEngine& aEngine )

    {

    CMnrpNaviControl* self = new (ELeave) CMnrpNaviControl( aView );

    CleanupStack::PushL( self );

    self->ConstructL( aRect, aEngine );

    CleanupStack::Pop( self );

    return self;

    }

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

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

//

void CMnrpNaviControl::ConstructL( const TRect& aRect, CMnrpEngine& aEngine )

    {

    // Create a window for this application view

    CreateWindowL();

    CreateListBoxL();

    // Set the windows size

    SetRect( aRect );

    iModel = CMnrpNaviModel::NewL( *this, aEngine );

    // Activate the window, which makes it ready to be drawn

    ActivateL();

    }

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

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

//

void CMnrpNaviControl::UpdateModelL( CPosLandmark& aDestination )

    {

    iModel->SetDestinationL( aDestination );

    }

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

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

//

void CMnrpNaviControl::HandleModelUpdateL()

    {

    TArray< CMnrpNaviModel::CListItem* > items = iModel->ListItemsL();

    const TInt KGranularity = 8;

    CDesCArraySeg* array = new (ELeave) CDesCArraySeg( KGranularity );

    CleanupStack::PushL( array );

    _LIT( KItemFormat, "%S\t%S\t\t" );

    for ( TInt i = 0; i < items.Count(); i++ )

        {

        CMnrpNaviModel::CListItem* item = items[i];

        const TInt KNumTabsAndOther = 10;

        HBufC* text = HBufC::NewLC(

            item->Header().Length() + item->Value().Length() + KNumTabsAndOther);

        text->Des().Format( KItemFormat, &(item->Header()), &(item->Value()) );

        array->AppendL( *text );

        CleanupStack::PopAndDestroy( text );

        }

    CleanupStack::Pop( array );

    CTextListBoxModel* model = iListBox->Model();

    model->SetItemTextArray( array );

    model->SetOwnershipType( ELbmOwnsItemArray );

    iListBox->HandleItemAdditionL();

    }

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

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

//

TInt CMnrpNaviControl::CountComponentControls() const 

    { 

    return 1; 

    }

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

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

//

CCoeControl* CMnrpNaviControl::ComponentControl(TInt aIndex) const

    {

    return (aIndex == 0) ? iListBox : NULL;

    }

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

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

//

TKeyResponse CMnrpNaviControl::OfferKeyEventL(

    const TKeyEvent& aKeyEvent, TEventCode aType)

    {

    TKeyResponse response = EKeyWasNotConsumed;

    switch (aKeyEvent.iCode)

        {

        case EKeyUpArrow:

        case EKeyDownArrow:

            // Scrolling the listbox. Forward to iListBox.

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

            break;

        case EKeyLeftArrow:

        case EKeyRightArrow:

            // Eat these to disable switching views

            response = EKeyWasConsumed;

            break;

        case EKeyDevice3:

            response = EKeyWasConsumed;

            break;

        default:

            // menu keys should be handled

            break;

        }

    return response;

    }

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

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

//

void CMnrpNaviControl::CreateListBoxL()

    {

    // Create a control to display a list of descriptors

    iListBox = new (ELeave) CAknSingleHeadingStyleListBox();

    iListBox->SetContainerWindowL( *this );

    iListBox->ConstructL(this, CEikListBox::EViewerFlag );

    // Create scrollbars

    CEikScrollBarFrame* scrollBar = iListBox->CreateScrollBarFrameL();

    scrollBar->SetScrollBarVisibilityL(

                CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto);

    }

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

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

//

void CMnrpNaviControl::SizeChanged()

    {

    iListBox->SetRect( Rect() );

    iListBox->DrawDeferred();

    }

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

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

//

void CMnrpNaviControl::HandleResourceChange( TInt aType )

    {

    CCoeControl::HandleResourceChange( aType );

    if ( aType == KEikDynamicLayoutVariantSwitch )

        {

        SetRect( iView.ClientRect() );

        }

    }