/*

* Copyright (c) 2002 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:  Dialog which shows topics, which are not yet in 

*               the topic list view. Enables topics adding manually.

*

*

*/

// INCLUDES

#include <barsread.h>

#include <gulicon.h>

#include <eikclbd.h>

#include <eikspane.h>

#include <aknnavide.h>

#include <akntitle.h>

#include <avkon.hrh>

#include <aknnotewrappers.h>

#include <cbsuiApp.rsg>

#include <aknlists.h>

#include <AknIconArray.h>

#include "CCbsUiAddFromIndexDialog.h"

#include "Cbsuiapp.hrh"

#include "CbsUiPanic.h"

#include "MCbs.h"

// CONSTANTS        

const TInt KAssumedAverageOfItems = 5;

const TInt KNumberOfIconsInAddFromIndexDialog = 4;

_LIT(KCbsIconListSeparator, "1\t");

_LIT(KCbsColumnListSeparator, " ");

// if the aTopicInfo.iNumber is shorter than KWidth,

// this character will be used to fill empty spaces.

const TUint KZeroFill = '0'; 

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

// C++ default constructor can NOT contain any code, that

// might leave.

//

CCbsUiAddFromIndexDialog::CCbsUiAddFromIndexDialog( MCbs& aServer ) : 

iServer(aServer)

    {

    }

// Destructor  

CCbsUiAddFromIndexDialog::~CCbsUiAddFromIndexDialog()

    {

    delete iHandles;  

    delete iNaviDecorator;

    }

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

//

//    CCbsUiAddFromIndexDialog::PreLayoutDynInitL()

//

//    Sets the choices to controls in AddFromIndexdialog

//

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

void CCbsUiAddFromIndexDialog::PreLayoutDynInitL()

    {

    CEikDialog::PreLayoutDynInitL();

    CAknNavigationControlContainer* naviPane = 

        STATIC_CAST( CAknNavigationControlContainer*, 

        iEikonEnv->AppUiFactory()->StatusPane()->ControlL(

        TUid::Uid( EEikStatusPaneUidNavi) ) );

    __ASSERT_DEBUG( naviPane, CbsUiPanic( ENaviPaneError ) );

    TResourceReader reader;

    iCoeEnv->CreateResourceReaderLC( reader, R_QTN_CB_AD_SEL_TOP );

    delete iNaviDecorator;

    iNaviDecorator = NULL;

    iNaviDecorator = naviPane->

        ConstructNavigationDecoratorFromResourceL( reader );

    __ASSERT_DEBUG( iNaviDecorator, CbsUiPanic( ENaviDecoratorError ) );

    naviPane->PushL( *iNaviDecorator );

    CleanupStack::PopAndDestroy();      

    iListBox = STATIC_CAST(

        CAknSingleGraphicStyleListBox*, Control(ECbsUiAddFromIndexDlgLine) );

    __ASSERT_DEBUG( iListBox, CbsUiPanic( EListBoxInDialogError ) );

    SetIconsL();

    SetTopicsL();

    // Scrollbar

    iListBox->CreateScrollBarFrameL(ETrue);

    iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto);

    // order has to be this; otherwise on error add from index title pane

    // remains.

    CreateAddFromIndexTitlePaneL();

    MEikAppUiFactory* appUiFactory = iEikonEnv->AppUiFactory();

    TRect rect = appUiFactory->ClientRect();

    iListBox->SetRect( rect );    

    }

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

//

//    CCbsUiAddFromIndexDialog::OkToExitL()

//

//    Handles keyevents. In case "Softkey OK" it

//    add selected topics using member function addtopic

//

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

TBool CCbsUiAddFromIndexDialog::OkToExitL( TInt aKeycode )

    {            

    TBool result( EFalse );

    switch ( aKeycode )

        {

        case EAknSoftkeyOk:

            {

            const CListBoxView::CSelectionIndexArray* selArray = 

            iListBox->SelectionIndexes();

            if ( selArray )

                {

                // Initialize the marked contact id array using selArray

                TInt count( selArray->Count() );

                TInt ret( KErrNone );

                for ( TInt i = 0; i < count && ret == KErrNone; ++i )

                    {

                    const TInt selIndex( (*selArray)[i] );

                    ret = AddTopicL( iHandles->At(selIndex) );

                    }

                }

            // Ok to exit, dialog is also removed from the stack

            result = ETrue;

            iEikonEnv->RemoveFromStack( this );

            break;

            }

        // If Mark or Unmark is pressed, the dialog must not exit.

        // Dialog must also stay in stack.

        case EAknSoftkeyMark:            

        case EAknSoftkeyUnmark:

            {

            result = EFalse;

            break;

            }

        default:

            break;

        }           

    return result;

    }

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

//

//    CCbsUiAddFromIndexDialog::GetIndexNumber()

//

//    Parses Indexnumber from topic info. Is used by

//    SetTopics-member function.

//

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

void CCbsUiAddFromIndexDialog::GetIndexNumber( const TCbsTopicInfo& aTopicInfo , 

                                              TBuf<KTopicNumberWidth>& aIndexNumber ) const

    {	    

    TBuf<KTopicNumberWidth> ind;

    ind.AppendNum( TInt(aTopicInfo.iNumber) );

    aIndexNumber.Justify(ind , KTopicNumberWidth, ERight, KZeroFill);

    }

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

//

//    CCbsUiAddFromIndexDialog::AddTopicL()

//

// 

//

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

TInt CCbsUiAddFromIndexDialog::AddTopicL( const TCbsTopicInfo aTopicInfo )

    {

    TCbsTopic topic;

    topic.iHotmarked = EFalse;

    topic.iName = aTopicInfo.iName;

    topic.iNumber = aTopicInfo.iNumber;

    topic.iProtected = EFalse;

    topic.iSavedMessages = 0;

    topic.iUnreadMessages = 0;

    topic.iSubscribed = 0;

    TInt ret( iServer.AddTopic(topic) );

    switch ( ret )

        {

        case KErrNone:

            // ok, do nothing

            break;

        case KErrAlreadyExists: // same handling

        case KErrArgument:      // same handling

            // after this error still tryes to append other items if exists

            ret = KErrNone;

            break;

        default:

            User::LeaveIfError(ret);

            break;

        }

    return ret;

    } 

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

//

//    CCbsUiAddFromIndexDialog::SetIconsL()

//

//    Sets the multiselction box-images.

//

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

void CCbsUiAddFromIndexDialog::SetIconsL() const

    {

    CAknIconArray* icons = new (ELeave) 

        CAknIconArray(KNumberOfIconsInAddFromIndexDialog);

    CleanupStack::PushL(icons);

    icons->ConstructFromResourceL(R_CHECKBOX_ICONS);

    CleanupStack::Pop(); // icons

    iListBox->ItemDrawer()->ColumnData()->SetIconArray(icons);

    }

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

//

//    CCbsUiAddFromIndexDialog::SetTopicsL()

//

//

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

void CCbsUiAddFromIndexDialog::SetTopicsL()

    {

    TCbsTopicInfo topicinfo;    

    iServer.StartCollectionBrowsing();

    iHandles = new (ELeave) TCbsTopicInfoHandleList(KAssumedAverageOfItems);

    __ASSERT_DEBUG( iHandles, CbsUiPanic( ETopicHandleError ) );

    iHandles->Reset();

    TInt err(KErrNone);

    while( iServer.HasNextCollectionTopic() && err == KErrNone )

        {

        err = iServer.NextCollectionTopic(topicinfo);

        if ( err == KErrNone )

            {

            MDesCArray* itemList = iListBox->Model()->ItemTextArray();

            CDesCArray* itemArray = STATIC_CAST(CDesCArray*, itemList);

            TBuf<KTopicNumberWidth> index;

            GetIndexNumber( topicinfo, index );

            HBufC* buffer = HBufC::NewMaxLC(

                KCbsIconListSeparator().Length() + index.Length() + 

                KCbsColumnListSeparator().Length() + topicinfo.iName.Length() );

            TPtr ptr = buffer->Des();

            ptr = KCbsIconListSeparator;

            ptr.Append(index);

            ptr.Append(KCbsColumnListSeparator);

            ptr.Append(topicinfo.iName);

            itemArray->AppendL(*buffer);	

            iHandles->AppendL(topicinfo);

            CleanupStack::PopAndDestroy();  // buffer

            }

        }

    iListBox->HandleItemAdditionL();

    if ( iListBox->Model()->NumberOfItems() == 0 )

        {

        // No warning, but we can close the dialog

        User::Leave(KErrNone);

        }

    }

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

//

//    CCbsUiAddFromIndexDialog::CreateAddFromIndexTitlePaneL()

//

//

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

void CCbsUiAddFromIndexDialog::CreateAddFromIndexTitlePaneL() const

    {

    CEikStatusPane* sp = STATIC_CAST( CAknAppUi*, CEikonEnv::Static()->

        EikAppUi() )->StatusPane();

    CAknTitlePane* title = STATIC_CAST(CAknTitlePane*, sp->

        ControlL( TUid::Uid(EEikStatusPaneUidTitle) ));

    __ASSERT_DEBUG( sp && title, CbsUiPanic( EStatusOrTitlePaneError ) );

    TResourceReader titlereader;

    iCoeEnv->CreateResourceReaderLC( titlereader, R_QTN_CB_TITLE_ADD_TOPICS );

    title->SetFromResourceL( titlereader );

    CleanupStack::PopAndDestroy();  // resource title

    }

//  End of File