/*

* Copyright (c) 2009 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:  Model class for Events management UI start-up view.

*

*/

// System Includes

#include <e32keys.h>

#include <barsread.h>               // For TResourceReader

#include <bautils.h>    

#include <StringLoader.h>

#include <evtmgmtui.rsg>

#include <eikenv.h>

#include <AknUtils.h>

#include <aknsfld.h> // For SearchField

// User Includes	  	

#include "evtmgmtuifiltermodel.h"

// Constants

const TInt KMaxConversionBufferLength = 0x200;

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

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

// CEvtMgmtUiStartupLBModel::CEvtMgmtUiStartupLBModel

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

//

CEvtMgmtUiFilterModel::CEvtMgmtUiFilterModel()

	{		

	}

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

// CEvtMgmtUiFilterModel::~CEvtMgmtUiFilterModel

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

//

CEvtMgmtUiFilterModel::~CEvtMgmtUiFilterModel()

	{	    

	// Delete the Buffers

	delete iBuffer;

	iBuffer = NULL;

	}

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

// CEvtMgmtUiFilterModel* CEvtMgmtUiFilterModel::NewL

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

//

CEvtMgmtUiFilterModel* CEvtMgmtUiFilterModel::NewL()

	{

	CEvtMgmtUiFilterModel* self = CEvtMgmtUiFilterModel::NewLC();

	CleanupStack::Pop( self );

	return self;

	}

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

// CEvtMgmtUiFilterModel* CEvtMgmtUiFilterModel::NewLC

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

//

CEvtMgmtUiFilterModel* CEvtMgmtUiFilterModel::NewLC()

	{

	CEvtMgmtUiFilterModel* self = new( ELeave )CEvtMgmtUiFilterModel();

	CleanupStack::PushL( self );

	self->ConstructL();

	return self;

	}

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

// void CEvtMgmtUiFilterModel::ConstructL

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

//

void CEvtMgmtUiFilterModel::ConstructL()

	{

    // Allocate the Conversion Buffer

	iBuffer = HBufC16::NewL( KMaxConversionBufferLength );

	}

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

// TInt CEvtMgmtUiFilterModel::MdcaCount() const

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

//

TInt CEvtMgmtUiFilterModel::MdcaCount() const

	{

  	return iActualItemTextArray->MdcaCount();

	}

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

// TPtrC16 CEvtMgmtUiFilterModel::MdcaPoint() const

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

//

TPtrC16 CEvtMgmtUiFilterModel::MdcaPoint( TInt  aIndex ) const

	{

	if( !aIndex )

	    {

	    TRAP_IGNORE( UpdateTextL() );

        return *iBuffer;

	    }

	else

	    {

	    return iActualItemTextArray->MdcaPoint(aIndex);

	    }

	}

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

// CEvtMgmtUiFilterModel::GetZeroIndex()

// It will return Search Text

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

//

TPtrC16 CEvtMgmtUiFilterModel::GetZeroIndex()

    {

    return iActualItemTextArray->MdcaPoint(0);

    }

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

// CEvtMgmtUiFilterModel::GetSearchTextL()

// It will return Search Text

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

//

void CEvtMgmtUiFilterModel::SetItemTextArray(MDesCArray* aActualItemTextArray)

    {

    iActualItemTextArray = NULL;

    iActualItemTextArray = aActualItemTextArray;

    }

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

// CEvtMgmtUiFilterModel::GetSearchTextL()

// It will return Search Text

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

//

void CEvtMgmtUiFilterModel::SetSearchField(CAknSearchField* aSearchField)

    {

    iSearchField = NULL;

    iSearchField = aSearchField;

    }

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

// CEvtMgmtUiFilterModel::GetSearchTextL()

// It will return Search Text

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

//

void CEvtMgmtUiFilterModel::GetSearchTextL(HBufC*& aString) const

    {

    if( aString )

        {

        delete aString;

        aString = NULL;

        }

    if(!iSearchField)

		{

        aString = KNullDesC().AllocL();

        return;

		}

    // Fetch filter from search field

    TInt searchTextLength = iSearchField->TextLength();

    if( searchTextLength )

        {

        aString = HBufC::NewL(searchTextLength);

        TPtr filter = aString->Des();

        iSearchField->GetSearchText(filter);

        }

    else

        {

        aString = KNullDesC().AllocL();

        }

    }

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

// CEvtMgmtUiFilterModel::UpdateTextL()

// It will return type of events

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

//

void CEvtMgmtUiFilterModel::UpdateTextL() const

    {

    // Allocate the Conversion Buffer

	HBufC* buffer = NULL;

	GetSearchTextL(buffer);

    // Zero the internal buffer

    TPtr16 ptr( iBuffer->Des());

    ptr.Zero();

    if( buffer->Length() )

        {

        // Format "%d\t%S\t%S\t%d"

        ptr.AppendNum( 0 );

        ptr.Append( EKeyTab );

        ptr.Append( *buffer );

        ptr.Append( EKeyTab );

        ptr.Append( EKeyTab );

        }

    else

        {

        if( iActualItemTextArray->MdcaCount() > 1 )

			{

            ptr.Append( iActualItemTextArray->MdcaPoint(1) );

			}

		else

			{

	        // Format "%d\t%S\t%S\t%d"

	        ptr.AppendNum( 0 );

	        ptr.Append( EKeyTab );

	        ptr.Append( *buffer );

	        ptr.Append( EKeyTab );

	        ptr.Append( EKeyTab );

			}

        }

    delete buffer; 

    }