widgetmodel/alfwidgetmodel/src/alfflowlayoutattributesetter.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:56:02 +0200
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   File implements the atrributesetters for the flowlayout.
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*
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*/
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//includes
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//widget model includes
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#include "alf/alfattributecontainer.h"
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#include "alf/alfattribute.h"
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#include "alf/alfflowlayoutattributesetter.h"
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#include <alf/alfvisualexception.h>
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#include <alf/alfdataexception.h>
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#include <alf/alfattributeexception.h>
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//osn includes
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#include <osn/ustring.h>
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//alf includes
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#include <alf/alfvisual.h>
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#include <alf/alfflowlayout.h>
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//dui includes
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#include "alf/attrproperty.h"
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//other includes
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#include <libc/string.h>
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//namespaces
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using namespace osncore;
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using namespace duiuimodel::layoutattributes;
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namespace Alf
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    {
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// Constructor.
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// ---------------------------------------------------------------------------
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//
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OSN_EXPORT AlfFlowLayoutAttributeSetter::AlfFlowLayoutAttributeSetter()
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    {
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    }
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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OSN_EXPORT AlfFlowLayoutAttributeSetter::~AlfFlowLayoutAttributeSetter()
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    {
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    }
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// ---------------------------------------------------------------------------
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// Sets Attribute Value. Delegates based on attribute Category.
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// ---------------------------------------------------------------------------
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//
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OSN_EXPORT void AlfFlowLayoutAttributeSetter::setAttributeValue (
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    CAlfVisual &aVisual,
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    AlfAttributeContainer* aContainer,
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    IAlfMap* aData )
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    {
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    // Ensure that the visual is a flow layout
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    CAlfFlowLayout* flowLayout = dynamic_cast<CAlfFlowLayout*>(&aVisual);
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    if (!flowLayout)
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        {
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        ALF_THROW ( AlfVisualException, EInvalidVisual, "AlfFlowLayoutAttributeSetter");
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        }
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    AlfCommonLayoutAttributeSetter::setAttributeValue(aVisual,
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            aContainer, aData);
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//
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OSN_EXPORT TAlfCommand* AlfFlowLayoutAttributeSetter::createCommand(
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    CAlfVisual& /*aVisual*/, AlfAttributeContainer* /*aContainer*/,
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    IAlfMap* /*aData*/, int /*aTransitionTime*/, CAlfVisual* /*aRefVisual*/)
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    {
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    TAlfCommand* cmd = 0;
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    return cmd;
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//
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OSN_EXPORT void AlfFlowLayoutAttributeSetter::createAndSendCommands(
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    CAlfVisual& aVisual,
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    AlfAttributeContainer* aContainer,
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    CAlfVisual* aRefVisual )
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    {
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    // Flow layout does not have any specific API which takes timed value.
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    // So, call the base class implementation. It goes through its loop and
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    // checks if there are attributes that it handles.
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    AlfCommonLayoutAttributeSetter::createAndSendCommands(aVisual,aContainer,
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                                        aRefVisual);
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    }
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void AlfFlowLayoutAttributeSetter::handleDynamicDataAttribute (
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    CAlfVisual& aVisual, AlfAttribute& aAttr,
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    AlfAttributeContainer& aContainer, IAlfMap* aData)
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    {
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    // Flow Layout does not have any specific dynamic attribute, so call the
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    // base class implementation. It goes through its loop and checks if there
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    // are attributes that it handles.
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    AlfCommonLayoutAttributeSetter::handleDynamicDataAttribute(aVisual, aAttr,
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                                        aContainer, aData);
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    }
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void AlfFlowLayoutAttributeSetter::handleStaticDataAttribute(
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    CAlfVisual &aVisual, AlfAttribute& aAttr,
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    AlfAttributeContainer& aContainer, IAlfMap* aData)
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    {
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    if (!aData)  ALF_THROW ( AlfDataException, EInvalidVariantDataType, "AlfFlowLayoutAttributeSetter" )
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    const char* dataField = aAttr.getDataField();
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    if ( !dataField )  ALF_THROW ( AlfDataException, EInvalidAttribute, "AlfFlowLayoutAttributeSetter" )
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    IAlfVariantType* data = aData->item ( UString(dataField));
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    if (data)
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        {
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        const char* attrName = aAttr.name();
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        CAlfFlowLayout* flowLayout = dynamic_cast<CAlfFlowLayout*>(&aVisual);
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        if (!flowLayout)
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            {
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            ALF_THROW ( AlfVisualException, EInvalidVisual, "AlfFlowLayoutAttributeSetter");
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            }
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        if (!strcmp(attrName,flow::KFlowDirection))
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            {
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            if (data->type() == IAlfVariantType::EInt)
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                {
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                int direction = data->integer();
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                flowLayout->SetFlowDirection(
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                                (CAlfFlowLayout::TFlowDirection)direction);
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                }
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            else
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                {
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                ALF_THROW ( AlfDataException, EInvalidVariantDataType, "AlfFlowLayoutAttributeSetter");
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                }    
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            }
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        else if (!strcmp(attrName,flow::KLayoutMode))
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            {
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            if (data->type() == IAlfVariantType::EInt)
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                {
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                int layoutMode = data->integer();
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                flowLayout->SetMode(layoutMode);
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                }
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            else
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                {
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                ALF_THROW ( AlfDataException, EInvalidVariantDataType, "AlfFlowLayoutAttributeSetter");
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                }    
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            }
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        else if (!strcmp(attrName,flow::KLayoutCentering))
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            {
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            if (data->type() == IAlfVariantType::EBool)
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                {
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                TBool layoutCentering = data->boolean();
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                flowLayout->SetCentering(layoutCentering);
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                }
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            else
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                {
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                ALF_THROW ( AlfDataException, EInvalidVariantDataType, "AlfFlowLayoutAttributeSetter");
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                }    
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            }
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        else
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            {
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            // Call the base class implementation .
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            // It goes through its loop and checks if there are attributes 
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            // that it handles.
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            AlfCommonLayoutAttributeSetter::handleStaticDataAttribute(aVisual,
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                                                aAttr, aContainer, aData);
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            }
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        }
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    return;    
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    }
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void AlfFlowLayoutAttributeSetter::handleDynamicAttribute(
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    CAlfVisual &aVisual, AlfAttribute& aAttr, 
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    AlfAttributeContainer& aContainer)
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    {
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    // Flow Layout does not have any specific dynamic attribute, so call the 
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    // base class implementation also. It goes through its loop and checks if
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    // there are attributes that it handles.
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    AlfCommonLayoutAttributeSetter::handleDynamicAttribute(aVisual, aAttr,
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                                        aContainer);
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    }
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void AlfFlowLayoutAttributeSetter::handleStaticAttribute(
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    CAlfVisual& aVisual, AlfAttribute& aAttr,
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    AlfAttributeContainer& aContainer)
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    {
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    CAlfFlowLayout* flowLayout = dynamic_cast<CAlfFlowLayout*>(&aVisual);
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    if (!flowLayout)
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        {
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        ALF_THROW ( AlfVisualException, EInvalidVisual, "AlfFlowLayoutAttributeSetter");
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        }   
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    const char* attrName = aAttr.name();
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    if (!strcmp(attrName, flow::KFlowDirection))
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        {
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        if(aAttr.type() == AlfAttributeValueType::EInt)
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            {
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            int direction = aAttr.intValue();
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            flowLayout->SetFlowDirection(
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                        (CAlfFlowLayout::TFlowDirection)direction);
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            }
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        else
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            {
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            ALF_THROW ( AlfAttributeException, EInvalidAttributeValue, "AlfFlowLayoutAttributeSetter");
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            }    
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        }
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    else if (!strcmp(attrName, flow::KLayoutMode))
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        {
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        if (aAttr.type() == AlfAttributeValueType::EInt)
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            {
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            int layoutMode = aAttr.intValue();
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            flowLayout->SetMode(layoutMode);
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            }
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        else
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            {
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            ALF_THROW ( AlfAttributeException, EInvalidAttributeValue, "AlfFlowLayoutAttributeSetter");
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            }        
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        }
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    else if (!strcmp(attrName, flow::KLayoutCentering))
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        {
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        if (aAttr.type() == AlfAttributeValueType::EInt)
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            {
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            int layoutCentering = aAttr.intValue();
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            TBool flag=ETrue;           //Assume true for any non-zero value.
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            if (0==layoutCentering) flag=EFalse;
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            flowLayout->SetCentering(flag);
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            }
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        else
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            {
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            ALF_THROW ( AlfAttributeException, EInvalidAttributeValue, "AlfFlowLayoutAttributeSetter");
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            }        
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        }
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    else // Call the base class implementation also.
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         // It goes through the same loop again and checks if there are
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         // attributes that it handles.
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        {
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        AlfCommonLayoutAttributeSetter::handleStaticAttribute(aVisual, aAttr,
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                                            aContainer);
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        }
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    return;
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    }
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    } // Alf
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