widgetmodel/alfwidgetmodel/src/alfmodel.cpp
branchRCL_3
changeset 19 4ea6f81c838a
parent 17 514d98f21c43
child 20 0e9bb658ef58
--- a/widgetmodel/alfwidgetmodel/src/alfmodel.cpp	Mon Jun 21 16:15:51 2010 +0300
+++ /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