mulwidgets/alfcontainerwidget/src/alfcontainerwidget.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:  Widget interface with utilities for container widget.
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*
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*/
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#include "alfcontainerwidget.h"
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#include "alfcontainercontrol.h"
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#include "alfcontainerwidgetexception.h"
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#include <libc/stdio.h>
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#include <libc/string.h>
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#include "alf/alfwidget.h"
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#include <alf/alfenv.h>
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#include <alf/alfmetric.h>
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#include <alf/alfgridlayoutmanager.h>
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#include <alf/ialfgridlayoutpolicy.h>
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#include "alf/attrproperty.h"
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namespace Alf
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{
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AlfContainerWidget::AlfContainerWidget(
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	const char* aWidgetName, 
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	IAlfContainerWidget& aContainer, 
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	CAlfEnv& aEnv, 
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	DuiNode* /*aNode*/,
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	const char* /*aFilePath*/)
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	: mWidget(0), 
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	mEnv(aEnv)
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    {
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    mWidget.reset(new (EMM) AlfWidget(aWidgetName, aContainer, aEnv));
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        constructDefault();
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        setDefaultLayoutManager();
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    }
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AlfContainerWidget::~AlfContainerWidget()
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    {
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    }
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CAlfWidgetControl* AlfContainerWidget::control() const
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    {
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    return mWidget->control();
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    }
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IAlfContainerWidget* AlfContainerWidget::parent() const
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    {
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    return mWidget->parent();
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    }
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void AlfContainerWidget::setControl(CAlfWidgetControl* aControl, bool aDeletePreviousControl)
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    {
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    mWidget->setControl(aControl, aDeletePreviousControl);
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    }
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IAlfModel* AlfContainerWidget::model()
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    {
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    return 0;
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    }
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void AlfContainerWidget::setModel(IAlfModel* /*aModel*/, bool /*aTakeOwnership*/)
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    {
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    }
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const char* AlfContainerWidget::widgetName() const
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    {
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    return mWidget->widgetName();
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    }
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void AlfContainerWidget::setChildFocus(bool /*aFocus*/)
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    {
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    }
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//---------------------------------------------------------------------------
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// Creates the presentation for the widget from XML. Destroys any existing
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// presentation.
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//---------------------------------------------------------------------------
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//    
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void AlfContainerWidget::setPresentation (const char* aFilePath)
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    {
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    if(mWidget.get())
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    	{
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        mWidget->setPresentation(aFilePath);    	
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    	}
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    }    
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int AlfContainerWidget::widgetCount() const
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    {
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    return mWidget->widgetCount();
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    }
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void AlfContainerWidget::addWidget(IAlfWidget& aWidget)
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    {
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    mWidget->addWidget(aWidget);
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    }
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IAlfWidget* AlfContainerWidget::getWidget(int aIndex) const
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    {
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    return mWidget->getWidget(aIndex);
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    }
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int AlfContainerWidget::getWidgetIndex(IAlfWidget& aWidget) const
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    {
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    return mWidget->getWidgetIndex(aWidget);
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    }
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void AlfContainerWidget::removeWidget(int aIndex)
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    {
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    mWidget->removeWidget(aIndex);
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    }
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void AlfContainerWidget::applyLayout(IAlfLayoutManager& aLayout)
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    {
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    mWidget->applyLayout(aLayout);
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    }
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IAlfInterfaceBase* AlfContainerWidget::makeInterface(const IfId& aType)
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    {    
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    // Type cast to IAlfWidget
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    if(!strcmp(aType.mImplementationId, IAlfWidget::type().mImplementationId))
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        {
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        return static_cast<IAlfWidget*>(this);
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        }
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    // Type cast to IAlfContainerWidget        
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    if(!strcmp(aType.mImplementationId, IAlfContainerWidget::type().mImplementationId))
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        {
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        return static_cast<IAlfContainerWidget*>(this); 
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        } 
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    return mWidget->makeInterface ( aType );
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//    
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void AlfContainerWidget::constructDefault()
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    {
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    // Create control for the container widget
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    auto_ptr<AlfContainerControl> control(new (EMM) AlfContainerControl(mEnv));    
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    setControl(control.get());
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    control.release();
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//   
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void AlfContainerWidget::setDefaultLayoutManager()
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	{
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	 // Default layout manager provided by the container widget
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    auto_ptr<AlfGridLayoutManager> layoutManager(new (EMM) AlfGridLayoutManager());
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    this->applyLayout(*layoutManager.get());
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    AlfGridLayoutManager* lm = layoutManager.release();
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    IAlfGridLayoutPolicy* gridPolicy = IAlfInterfaceBase::makeInterface<IAlfGridLayoutPolicy>(lm);
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    gridPolicy->fillWeights(IAlfGridLayoutPolicy::EGridDimensionColumn, 1, TAlfMetric(1, EAlfUnitWeight));
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    gridPolicy->fillWeights(IAlfGridLayoutPolicy::EGridDimensionRow, 1, TAlfMetric(1, EAlfUnitWeight));
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	}
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//   
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void AlfContainerWidget::constructComponentsFromNode()
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	{
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	constructDefault();
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    //check, if the layoutmanager is already set.
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    IAlfLayoutManager* layoutManager = IAlfInterfaceBase::makeInterface<IAlfLayoutManager>(control());
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    if (!layoutManager)
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        {
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        setDefaultLayoutManager();
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        }
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	}
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//  
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void AlfContainerWidget::processTreeRecursively()
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    {
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    }
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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//    
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void AlfContainerWidget::constructFromPresentationXML(const char* /*aFilePath*/ )
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    {
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    constructDefault();
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    setDefaultLayoutManager();      
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    }
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}