--- a/mulwidgets/muldatamodel/src/mulpushmode.cpp	Tue Feb 02 00:28:09 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,302 +0,0 @@
-/*
-* Copyright (c) 2007-2008 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:  Base implementation of pull and push mode
- *
-*/
-
-
-
-//Includes
-#include "mulpushmode.h"
-
-#include "mulassert.h"
-#include "mulcachemanager.h"
-#include "mulpagedatawindow.h"
-#include "mullog.h"
-
-namespace Alf
-    { 
-    	  
-// ---------------------------------------------------------------------------
-// MulPushMode()
-// ---------------------------------------------------------------------------
-//
-MulPushMode::MulPushMode( MulPageDataWindow& aDataWindow )
-			: mDataWindow(aDataWindow)
-	{   	
-	mCacheManager.reset( new ( EMM ) MulCacheManager());		
-	}
-
-// ---------------------------------------------------------------------------
-// ~MulPushMode()
-// ---------------------------------------------------------------------------
-//
-MulPushMode::~MulPushMode()
-	{
-	// No implementation is required.
-	}
-
-// ---------------------------------------------------------------------------
-// Insert
-// ---------------------------------------------------------------------------
-//
-bool MulPushMode::Insert(int aIndex, int aCount, const MulDataPath& aPath )
-	{
-	__MUL_ASSERT( aIndex >= 0 && aIndex <= mCacheManager->ExpandedNodeCount() && aCount > 0, KLInvalidArgument );
-	
-	int modelCountBefore  = mCacheManager->ExpandedNodeCount();	
-	mCacheManager->CreateNodes( aIndex, aCount, aPath );
-
-	int modelCount = mCacheManager->ExpandedNodeCount();
-		
-	// if there is a change in expanded node count of model then update
-	// the alf model. THis case would happen if we are inserting childnodes
-	// for a node which is not expanded. Then no need to update the alf model
-	if(mDataWindow.IsWindowEnabled() && modelCount != modelCountBefore)
-		{
-		ModelCountChanged(modelCountBefore,modelCount);
-		}
-		
-	// The highlight is the same but its relative index is changed 
-	// because the buffer offsets are changed. Even in this case widget has to update the visualization
-	return false;
-	}
-
-// ---------------------------------------------------------------------------
-// Remove
-// ---------------------------------------------------------------------------
-//
-bool MulPushMode::Remove( int aIndex, int aCount,const MulDataPath& aPath)
-	{
-	__MUL_ASSERT( aIndex >= 0 && aCount > 0 && aIndex+aCount <= mCacheManager->ExpandedNodeCount(), KLInvalidArgument );
-
-	int modelCountBefore  = mCacheManager->ExpandedNodeCount();
-
-	mCacheManager->RemoveVisualItem( aIndex, aCount, aPath );
-	
-	int modelCount = mCacheManager->ExpandedNodeCount();
-	
-	// To inform the calling class whether the highlight has changed 
-	// If the current highlight is more than the total number of items. Then udjust teh highlight
-	bool highlightUpdated = ValidateCurrentHighlight();
-	
-	// if there is a change in expanded node count of model then update
-	// the alf model. This case would happen if we are removing childnodes
-	// for a node which is not expanded. Then no need to update the alf model			
-	if(mDataWindow.IsWindowEnabled() && modelCount != modelCountBefore)
-		{
-		ModelCountChanged(modelCountBefore,modelCount);
-		}
-		
-	// If the highlight is changed because it was greater than current model count or if
-	// the buffer offsets are changed then return true		
-	return ( highlightUpdated );
-	}
-
-// ---------------------------------------------------------------------------
-// Update
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::Update(int /*aIndex*/, int /*aCount*/, const MulDataPath& /*aPath*/)
-    {
-    //no implementation required
-    }
-
-// ---------------------------------------------------------------------------
-// Refresh
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::Refresh( int /*aCount*/, const MulDataPath& /*aPath*/)
-    {
-    // throw exception not implemented in push mode 
-    throw std::logic_error("Not Implemented");
-    }
-
-
-// ---------------------------------------------------------------------------
-// SetTemplate
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::SetTemplate( mulwidget::TLogicalTemplate aTemplateId )
-    {
-    mDefaultTemplate =  aTemplateId ;
-    
-    MulDataPath path;
-    for( int i = 0 ; i < mCacheManager->Count() ; i++ )
-        {
-        MulPushMode::SetTemplate( i, mDefaultTemplate, path );           
-        }
-    }
-
-// ---------------------------------------------------------------------------
-// Template
-// ---------------------------------------------------------------------------
-//
-mulwidget::TLogicalTemplate MulPushMode::Template( ) 
-    {
-    return mDefaultTemplate;
-    }
-
-// ---------------------------------------------------------------------------
-// Data
-// ---------------------------------------------------------------------------
-//
-const MulVisualItem* MulPushMode::Data( int aIndex, const MulDataPath& /*aPath*/) const
-	{
-	__MUL_ASSERT( aIndex >= 0 && aIndex < mCacheManager->ExpandedNodeCount(), KLInvalidArgument );
-	
-	return mCacheManager->Data( aIndex );			
-	}
-
-// ---------------------------------------------------------------------------
-// SetData
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::SetData( int aIndex, std::auto_ptr<MulVisualItem> aVisualItem, 
-                          const MulDataPath& aPath)
-    {
-    __MUL_ASSERT( aIndex >= 0 && aIndex < mCacheManager->ExpandedNodeCount(),_L("Invalid Argument"));
-
-    MulVisualItem* visualItem = mCacheManager->Data( aIndex );
-    MUL_LOG_INFO2("MUL::MulPushMode::SetData() Index:%d,item:%x",aIndex, visualItem);
-    if( visualItem )
-        {
-        mCacheManager->UpdateVisualItem( *aVisualItem , aPath, aIndex );
-        }
-    else
-        {
-        // Validating input visual item
-        ValidateVisualItem( *aVisualItem );
-        mCacheManager->AddVisualItem( aVisualItem, aPath, aIndex );
-        }
-    }
-
-// ---------------------------------------------------------------------------
-// Count
-// ---------------------------------------------------------------------------
-//
-int MulPushMode::Count(const MulDataPath& /*aPath*/) const
-	{
-	return mCacheManager->ExpandedNodeCount();
-	} 
-
-// ---------------------------------------------------------------------------
-// SetTemplate
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::SetTemplate( int aItemIndex, mulwidget::TLogicalTemplate aTemplateId, 
-	                    	  const MulDataPath& /*aPath*/ )
-	{	
-	MUL_LOG_ENTRY_EXIT("MUL::MulPushMode::SetTemplate");
-	
-    MulVisualItem* visualItem = mCacheManager->Data( aItemIndex );	
-    if( visualItem )
-        {
-        mulwidget::TLogicalTemplate logicalTemplate = (mulwidget::TLogicalTemplate) visualItem->AttributeAsInt( mulvisualitem::KAttributeTemplate );
-    	//if template is not same then only change it		
-        if( logicalTemplate != aTemplateId  )
-        	{
-        	visualItem->SetAttribute( mulvisualitem::KAttributeTemplate, aTemplateId );   		
-        	}
-        }
-	}
-	
-// ---------------------------------------------------------------------------
-// CurrentItemCount
-// ---------------------------------------------------------------------------
-//  
-int MulPushMode::CurrentItemCount() const
-	{
-	return mCacheManager->ExpandedNodeCount();		
-	}
-
-// ---------------------------------------------------------------------------
-// CacheManager
-// ---------------------------------------------------------------------------
-//
-MulCacheManager& MulPushMode::CacheManager() const
-	{
-	return *mCacheManager;
-	}
-
-// ---------------------------------------------------------------------------
-//ValidateVisualItem
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::ValidateVisualItem( MulVisualItem& aVisualItem )
-	{
-	//add default template to item if template is not already set and default template is not null
-	IMulVariantType* itemTemplate = aVisualItem.Attribute( mulvisualitem::KAttributeTemplate );
-	if( !itemTemplate )
-		{
-		if( mDefaultTemplate != mulwidget::KTemplateUnknown )
-			{
-			//add default template to this visual item	
-			aVisualItem.SetAttribute( mulvisualitem::KAttributeTemplate, mDefaultTemplate, 0 );
-			}
-		else
-			{
-			//template must be there
-			throw std::invalid_argument("Default template not available.");
-			}
-		}
-	}
-
-// ---------------------------------------------------------------------------
-// ModelCountChanged
-// ---------------------------------------------------------------------------
-//
-void MulPushMode::ModelCountChanged(int aOldCount, int aNewCount)
-	{
-	MUL_LOG_ENTRY_EXIT("MUL::MulPushMode::ModelCountChanged()");
-	
-	MUL_LOG_INFO2("MUL::MulPushMode::ModelCountChanged() aOldCount:%d,aNewCount:%d", aOldCount, aNewCount );
-	
-	mDataWindow.AdjustOffset();	
-	}
-
-// ---------------------------------------------------------------------------
-// ValidateCurrentHighlight
-// ---------------------------------------------------------------------------
-//
-bool MulPushMode::ValidateCurrentHighlight()
-	{
-	// To inform the calling class whether the highlight has changed
-	int modelCount = mCacheManager->ExpandedNodeCount();
-	if( mDataWindow.Highlight() >= modelCount)
-		{
-		mDataWindow.UpdateHighlight( modelCount-1 );
-		return true;
-		}
-	return false;
-	}
-
-// ---------------------------------------------------------------------------
-// Item
-// ---------------------------------------------------------------------------
-//
-const MulVisualItem& MulPushMode::Item( int aAbsoluteIndex )
-    {
-    MulVisualItem* visualItem = mCacheManager->Data( aAbsoluteIndex );
-    if(!visualItem)
-        {
-        throw std::invalid_argument(KInvalidArgument);  
-        }
-    return *visualItem; 
-    }
-	
-	} // namespace ends here
-  
-//End of file
-