--- a/widgetmodel/alfwidgetmodel/src/alfmodel.cpp Tue Feb 02 00:28:09 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,487 +0,0 @@
-/*
-* 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: Model Class used by widgets.
-*
-*/
-
-
-
-
-//INCLUDES
-#include <alf/ialfmodelchangeobserver.h>
-#include <osn/alfptrvector.h>
-#include <memory>
-
-#include <alf/alfmodel.h>
-#include "alf/alfmodeloperation.h"
-#include <alf/alfvarianttype.h>
-#include <alf/alfexceptions.h>
-//#include "alf/alfperf.h"
-#include <osn/osnnew.h>
-
-using osncore::AlfPtrVector;
-using std::auto_ptr;
-
-// Forward declared inside the Alf namespace
-namespace Alf
- {
-
-
-class AlfModelImpl
- {
-public :
- AlfModelImpl():mDataSource(0)
- {
- }
-
- ~AlfModelImpl()
- {
- delete mDataSource;
- mObserverArray.clear();
- }
-
- /**
- * Array of Observers for the Model individual observers not owned
- */
- AlfPtrVector<IAlfModelChangeObserver> mObserverArray;
-
- /**
- * Data Source for the Model owned
- */
- IAlfVariantType* mDataSource;
- };
-
-
-////////////////////// AlfModel //////////////////////
-
-// ============================ MEMBER FUNCTIONS ==============================
-
-
-// ---------------------------------------------------------------------------
-// Description : Constructor -
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT AlfModel::AlfModel()
- {
- }
-
-// ---------------------------------------------------------------------------
-// Description : Constructor -
-// Data Source for the model is passed
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT AlfModel::AlfModel( IAlfVariantType* aDataSource )
- {
- mData.reset( new(EMM) AlfModelImpl() );
- mData->mDataSource = aDataSource;
- mData->mObserverArray.setAutoDelete(false);
- }
-
-// ---------------------------------------------------------------------------
-// Description : Class Destructor
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT AlfModel::~AlfModel()
- {
- }
-
-// ---------------------------------------------------------------------------
-// Description : Adds model change observers
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT void AlfModel::addModelChangeObserver(
- IAlfModelChangeObserver& aObserver)
- {
- if(mData->mObserverArray.findRef(&aObserver)<0)
- {
- mData->mObserverArray.resize(mData->mObserverArray.count()+1);
- mData->mObserverArray.insert(mData->mObserverArray.count(),
- &aObserver);
- aObserver.modelChanged( *this );
- }
- }
-
-
-
-// ---------------------------------------------------------------------------
-// Description : Removes model change observers
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT void AlfModel::removeModelChangeObserver(
- IAlfModelChangeObserver& aObserver)
- {
- for ( int i = 0; i < mData->mObserverArray.count(); ++i )
- {
- if(mData->mObserverArray[i]==&aObserver)
- {
- mData->mObserverArray.remove( i );
- return;
- }
- }
- }
-
-
-// ---------------------------------------------------------------------------
-// Description : Sets the data for the model
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT void AlfModel::setData(IAlfVariantType* aData)
- {
- if( mData->mDataSource != 0 )
- {
- delete mData->mDataSource;
- mData->mDataSource=0;
- }
- mData->mDataSource = aData;
-
- for ( int i = 0; i < mData->mObserverArray.count(); ++i )
- {
- mData->mObserverArray[i]->modelChanged( *this );
- }
- }
-
-// ---------------------------------------------------------------------------
-// Description : Returns the Data Source
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT IAlfVariantType* AlfModel::data() const
- {
- return mData->mDataSource;
- }
-
-// ---------------------------------------------------------------------------
-// Description : notifies, that the model is changed.
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT void AlfModel::notifyModelChanged()
- {
- //Notify all the observers
- for ( int i = 0; i < mData->mObserverArray.count(); ++i )
- {
- mData->mObserverArray[i]->modelChanged(*this);
- }
- }
-
-// ---------------------------------------------------------------------------
-// Description : Clears the Data Source
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT void AlfModel::clearModel()
- {
- //Delete the Model
- if( mData->mDataSource != 0 )
- {
- delete mData->mDataSource;
- mData->mDataSource=0;
- }
- //Notify all the observers
- for ( int i = 0; i < mData->mObserverArray.count(); ++i )
- {
- mData->mObserverArray[i]->modelChanged(*this);
- }
- }
-
-// ---------------------------------------------------------------------------
-// From class IAlfInterfaceBase.
-// Static getter for interfaces provided by the widget,
-// the control, or the model.
-// ---------------------------------------------------------------------------
-//
-OSN_EXPORT IAlfInterfaceBase* AlfModel::makeInterface( const IfId& aType)
- {
- UString param(aType.mImplementationId);
- if ( param == IAlfModel::type().mImplementationId )
- {
- return this;
- }
- return 0;
- }
-
-//----------------------------------------------------------------------------
-//Add a number of data fields in the model data. All model change
-//observers are notified about the change. Internal API not exported
-//-----------------------------------------------------------------------------
-void AlfModel::addData(AlfModelOperation* aAddOperation)
- {
- IAlfVariantType* newData = 0;
- IAlfVariantType* parentData = 0;
- try
- {
- //ALF_PERF_START( perfdata, "AlfModel-AddData-Adding")
- newData = aAddOperation->getNewData();
- parentData = aAddOperation->parentData(*data());
- int index = aAddOperation->index();
-
- if(parentData->type()== IAlfVariantType::EBranch &&
- newData->type() == IAlfVariantType::EMap )
- {
- // This is actually the same as updating the data,
- // since we can not have multiple branch or child data maps
- if ( index == 0 )
- {
- // Set data for the branch
- parentData->branch()->setData( newData->map() );
- }
- else if ( index == 1 )
- {
- // Set data for the branch children
- parentData->branch()->setChildData( newData->map() );
- }
- }
- else if(parentData->type()== IAlfVariantType::EMap)
- {
- parentData->map()->addItem( newData,
- aAddOperation->newDataName() );
- }
- else if(parentData->type()== IAlfVariantType::EContainer )
- {
- parentData->container()->addItem(index, newData);
- }
- //ALF_PERF_STOP( perfdata, "AlfModel-AddData-Adding")
- }
- catch(AlfDataException& e)
- {
- newData = 0;
- parentData = 0;
- ALF_THROW(AlfDataException,EInvalidModelOperation,"AlfModel")
- // Note the aAddOperation is not deleted. In case of exception the user
- // should delete this object
- }
- }
-
-//-----------------------------------------------------------------------------
-//Remove a number of data fields in the model data. All model change
-//observers are notified about the change.
-//-----------------------------------------------------------------------------
-void AlfModel::removeData(AlfModelOperation* aRemoveOperation)
- {
- IAlfVariantType* parentData = 0;
-
- try
- {
- //ALF_PERF_START( perfdata, "AlfModel-RemoveData-Removing")
- parentData = aRemoveOperation->parentData(*data());
- int index = aRemoveOperation->index();
-
- if(parentData->type()== IAlfVariantType::EBranch )
- {
- if ( index == 0 )
- {
- // Remove the branch data
- parentData->branch()->setData( 0 );
- }
- else if ( index == 1 )
- {
- // Remove the branch children data
- parentData->branch()->setChildData( 0 );
- }
- }
- else if(parentData->type()== IAlfVariantType::EMap)
- {
- parentData->map()->removeItem(index);
- }
- else if(parentData->type()== IAlfVariantType::EContainer )
- {
- parentData->container()->removeItem(index);
- }
- //ALF_PERF_STOP( perfdata, "AlfModel-RemoveData-Removing")
- }
- catch(AlfDataException& e)
- {
- parentData = 0;
- ALF_THROW(AlfDataException,EInvalidModelOperation,"AlfModel")
- // Note the aRemoveOperation is not deleted. In case of exception the
- // user should delete this object
- }
- }
-
-
-void AlfModel::updateData(AlfModelOperation* aUpdateOperation)
- {
- IAlfVariantType* newData = 0;
- IAlfVariantType* parentData = 0;
-
- try
- {
- //ALF_PERF_START( perfdata, "AlfModel-UpdateData-Updating")
- newData= aUpdateOperation->getNewData();
-
- parentData = aUpdateOperation->parentData(*data());
- int index = aUpdateOperation->index();
-
- if(parentData->type()== IAlfVariantType::EBranch &&
- newData->type() == IAlfVariantType::EMap )
- {
- if ( index == 0 )
- {
- // Update the branch data
- parentData->branch()->setData( newData->map() );
- }
- else if ( index == 1 )
- {
- // Update the data for the branch children
- parentData->branch()->setChildData( newData->map() );
- }
- }
- else if(parentData->type()== IAlfVariantType::EMap)
- {
- parentData->map()->replaceItem(index, newData);
- }
- else if(parentData->type()== IAlfVariantType::EContainer )
- {
- parentData->container()->replaceItem(index,newData);
- }
- //ALF_PERF_STOP( perfdata, "AlfModel-UpdateData-Updating")
- }
- catch(AlfDataException& e)
- {
- parentData=0;
- newData=0;
- ALF_THROW(AlfDataException,EInvalidModelOperation,"AlfModel")
- //Note the aUpdateOperation is not deleted. In case of exception the user should delete this object
- }
- }
-
-//----------------------------------------------------------------------------
-//Add a number of data fields in the model data. All model change
-//observers are notified about the change.
-//-----------------------------------------------------------------------------
-OSN_EXPORT void AlfModel::addData(
- int aNumContainerIndices, int* aContainerIndices, IAlfVariantType* aData)
- {
- auto_ptr<AlfModelOperation> op( AlfModelOperation::create(
- AlfModelOperation::EOperationAdd,
- aNumContainerIndices,
- aContainerIndices,
- aData ) );
-
- executeOperation( op.get() );
- }
-
-//-----------------------------------------------------------------------------
-//Remove a number of data fields in the model data. All model change
-//observers are notified about the change.
-//-----------------------------------------------------------------------------
-OSN_EXPORT void AlfModel::removeData(
- int aNumContainerIndices, int* aContainerIndices)
- {
- auto_ptr<AlfModelOperation> op( AlfModelOperation::create(
- AlfModelOperation::EOperationRemove,
- aNumContainerIndices,
- aContainerIndices ) );
-
- executeOperation( op.get() );
- }
-
-//-----------------------------------------------------------------------------
-//Remove a number of data fields in the model data. All model change
-//observers are notified about the change.
-//-----------------------------------------------------------------------------
-OSN_EXPORT void AlfModel::updateData(
- int aNumContainerIndices, int* aContainerIndices, IAlfVariantType* aData)
- {
- auto_ptr<AlfModelOperation> op( AlfModelOperation::create(
- AlfModelOperation::EOperationUpdate,
- aNumContainerIndices,
- aContainerIndices,
- aData ) );
-
- executeOperation( op.get() );
- }
-
-//-----------------------------------------------------------------------------
- /**
- * Api for executing batch operations
- *
- * @param aOperationsArray - An RPOinterArray containing the list of
- * operations to be executed in batch.
- * @since S60 ?S60_version
- */
-//-----------------------------------------------------------------------------
-OSN_EXPORT void AlfModel::executeOperations(
- AlfPtrVector<AlfModelOperation>& aOperationsArray)
- {
- int index = 0;
- int count = aOperationsArray.count();
- int obsvrCount = mData->mObserverArray.count();
- AlfModelOperation* tempOperation=0;
-
- for ( index = 0; index < obsvrCount; index++ )
- {
- mData->mObserverArray[index]->dataChanging( aOperationsArray );
- }
-
- for ( index = 0; index < count; index++ )
- {
- tempOperation = aOperationsArray[index];
- switch( tempOperation->operation() )
- {
- case AlfModelOperation::EOperationAdd:
- this->addData( tempOperation );
- break;
- case AlfModelOperation::EOperationRemove:
- this->removeData( tempOperation );
- break;
- case AlfModelOperation::EOperationUpdate:
- this->updateData( tempOperation );
- default:
- break;
-
- }
- }
-
- for ( index = 0; index < obsvrCount; index++ )
- {
- mData->mObserverArray[index]->dataChanged();
- }
- }
-
-//-----------------------------------------------------------------------------
- /**
- * Api for executing one operation at a Time
- *
- * @param aOperation - An Operation to be executed on the model.
- * @since S60 ?S60_version
- */
-//-----------------------------------------------------------------------------
-OSN_EXPORT void AlfModel::executeOperation(AlfModelOperation* aOperation)
- {
- int index = 0;
- int obsvrCount = mData->mObserverArray.count();
-
- for ( index = 0; index < obsvrCount; index++ )
- {
- mData->mObserverArray[index]->dataChanging( *aOperation );
- }
-
- switch(aOperation->operation())
- {
- case AlfModelOperation::EOperationAdd:
- this->addData(aOperation);
- break;
- case AlfModelOperation::EOperationRemove:
- this->removeData(aOperation);
- break;
- case AlfModelOperation::EOperationUpdate:
- this->updateData(aOperation);
- default:
- break;
- }
-
- for ( index = 0; index < obsvrCount; index++ )
- {
- mData->mObserverArray[index]->dataChanged();
- }
- }
-} // Alf