diff -r 4ea6f81c838a -r 0e9bb658ef58 mulwidgets/muldatamodel/src/mulcachemanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/muldatamodel/src/mulcachemanager.cpp	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,435 @@
+/*
+* 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:  Cache Manager class
+ *
+*/
+
+
+#include "mulcachemanager.h"
+
+#include <mul/imulvarianttype.h>
+#include <mul/muldatapath.h>
+
+#include <alf/alfvarianttype.h>
+#include <alf/ialfmap.h>
+#include <alf/ialfcontainer.h>
+#include <mul/muldatapath.h>
+
+#include <stdexcept>
+#include <osn/ustring.h>
+
+#include "mulassert.h"
+#include "mulmodeldef.h"
+#include "mulmodelimpl.h"
+#include "mul/mulmodelutility.h"
+#include "mullog.h"
+
+namespace Alf
+	{
+
+// ---------------------------------------------------------------------------
+// Constructor 
+// ---------------------------------------------------------------------------
+//
+MulCacheManager::MulCacheManager()
+			   : mTotalCount(0)
+	{
+	}
+
+// ---------------------------------------------------------------------------
+// Destructor 
+// ---------------------------------------------------------------------------
+//
+MulCacheManager::~MulCacheManager()
+	{	
+	MulVisualItemMap::iterator itr;
+	for( itr = mVisualItemMap.begin(); itr!= mVisualItemMap.end(); ++itr )
+		{
+		delete itr->second;
+		itr->second = NULL;
+		}
+	mVisualItemMap.clear();
+	}
+
+// ---------------------------------------------------------------------------
+// CreateNodes 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::CreateNodes(int aStartIndex, int aCount, const MulDataPath& /*aPath*/)
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::CreateNodes()");
+	
+	__MUL_ASSERT_DEBUG( aStartIndex >= 0 && aStartIndex <= ExpandedNodeCount() && aCount > 0 , KLInvalidArgument );
+
+	if(mTotalCount > 0 && aStartIndex < mTotalCount )
+		{
+		UpdataPathInMapAfterInsert(mVisualItemMap, aStartIndex, aCount);
+		UpdataPathInMapAfterInsert(mSelectionMap, aStartIndex, aCount);
+		}
+
+	mTotalCount += aCount;
+	}
+
+// ---------------------------------------------------------------------------
+// AddVisualItem 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::AddVisualItem( std::auto_ptr<MulVisualItem> aVisualItem,
+									const MulDataPath& /*aPath*/ , int aIndex)
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::AddVisualItem()");
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+	
+	//adding item now
+	mVisualItemMap[aIndex] = aVisualItem.release();
+	}
+
+// ---------------------------------------------------------------------------
+// AddVisualItem 
+// ---------------------------------------------------------------------------
+//
+//void MulCacheManager::AddVisualItem( std::auto_ptr<MulVisualItem> aVisualItem, int aItemIndex )
+//	{
+//	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::AddVisualItem()");
+//	__MUL_ASSERT_DEBUG( aItemIndex >= 0 && aItemIndex < ExpandedNodeCount() , KLInvalidArgument );
+//	
+//	MulDataPath path ;//= mTree.FindNode( aItemIndex );
+//	AddVisualItem( aVisualItem, path, aItemIndex );
+//	}
+
+// ---------------------------------------------------------------------------
+// RemoveVisualItem 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::RemoveVisualItem( int aIndex )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::RemoveVisualItem()");
+	
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+	
+	//MulDataPath path = mTree.FindNode( aIndex );
+	MulDataPath path;
+	RemoveItemFromMap( path, aIndex );	
+	}
+
+// ---------------------------------------------------------------------------
+// RemoveVisualItem 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::RemoveVisualItem(const MulDataPath& aPath , int aIndex )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::RemoveVisualItem()");
+	
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+		
+	RemoveItemFromMap( aPath, aIndex );
+	mSelectionMap.erase( aIndex ); //remove marking information for this path, index
+	
+	UpdataPathInMapAfterRemove( mVisualItemMap, aIndex,1 );	
+	UpdataPathInMapAfterRemove( mSelectionMap, aIndex,1 );	
+	mTotalCount--;
+	}
+	
+// ---------------------------------------------------------------------------
+// RemoveVisualItem 
+// ---------------------------------------------------------------------------
+//	
+void MulCacheManager::RemoveVisualItem(int aIndex, int aCount, const MulDataPath& aPath)
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::RemoveVisualItem()");
+	
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex+aCount <= ExpandedNodeCount() , KLInvalidArgument );
+	
+	for(int i = aIndex ; i < aIndex+aCount; i++ )	
+		{
+		RemoveItemFromMap( aPath, i );
+		mSelectionMap.erase( i ); //remove marking information for this path, index
+		}
+	
+	if(aIndex + aCount < ExpandedNodeCount() )
+		{
+		UpdataPathInMapAfterRemove( mVisualItemMap, aIndex, aCount);	
+		UpdataPathInMapAfterRemove( mSelectionMap, aIndex, aCount );		
+		}
+		
+	mTotalCount-= aCount;
+	}
+
+// ---------------------------------------------------------------------------
+// RemoveItemFromMap 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::RemoveItemFromMap( const MulDataPath& /*aPath*/ , int aIndex )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::RemoveItemFromMap()");
+	
+	MulVisualItemMap::iterator findIter = mVisualItemMap.find(aIndex);
+	if( findIter!= mVisualItemMap.end() )
+		{
+		delete findIter->second;
+		findIter->second = NULL;
+		mVisualItemMap.erase( aIndex );
+		}		
+	}
+	
+// ---------------------------------------------------------------------------
+// UpdataPathInMapAftreRemove 
+// ---------------------------------------------------------------------------
+//
+template <typename T> void MulCacheManager::UpdataPathInMapAfterRemove( std::map<int,T >& aMap, int aIndex, int aCount )
+	{	
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::UpdataPathInMapAfterRemove()");
+	
+	//loop through all items
+	//for(int i = 0 ; i < ExpandedNodeCount() ; ++i )
+	for(int i = aIndex ; i < ExpandedNodeCount() ; ++i )
+		{
+		// if index is greater than path index then index need to be modified
+		//if( i >= aIndex )
+			{	
+				
+			if( aMap.find( i ) != aMap.end() )
+				{			
+				T item = aMap.find( i )->second;
+				aMap.erase( i );
+				aMap[i-aCount] = item; //add item in to new index
+				}
+			}
+		}
+		
+	}
+
+// ---------------------------------------------------------------------------
+// UpdataPathInMapAftreInsert 
+// ---------------------------------------------------------------------------
+//
+template <typename T> void MulCacheManager::UpdataPathInMapAfterInsert( std::map<int,T >& aMap, int aIndex, int aCount )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::UpdataPathInMapAfterInsert()");
+	
+	//for( int i = ExpandedNodeCount() ; i > 0 ; --i )
+	for( int i = ExpandedNodeCount() ; i >= aIndex ; --i )
+        {
+        // if index is greater than path index then index need to be modified
+        //if( i >= aIndex )
+            {   
+                
+            if( aMap.find( i ) != aMap.end() )
+                {           
+                T item = aMap.find( i )->second;
+                aMap.erase( i );
+                aMap[ i + aCount] = item; //add item in to new index
+                }
+            }
+        }
+	}
+
+// ---------------------------------------------------------------------------
+// UpdateVisualItem 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::UpdateVisualItem( MulVisualItem& aUpdatedVisualItem, int aItemIndex  )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::UpdateVisualItem()");
+	
+	__MUL_ASSERT_DEBUG( aItemIndex >= 0 && aItemIndex < ExpandedNodeCount() , KLInvalidArgument );
+	
+	MulDataPath path ;
+	UpdateVisualItem( aUpdatedVisualItem, path, aItemIndex );
+	}
+
+// ---------------------------------------------------------------------------
+// UpdateVisualItem 
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::UpdateVisualItem( MulVisualItem& aVisualItem,const MulDataPath& /*aPath*/, int aIndex )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::UpdateVisualItem()");
+	
+	MulVisualItem* visualItem = Data( aIndex );
+	std::vector<mulvisualitem::TVisualAttribute> existingAttributes = aVisualItem.Attributes( );
+	for( int i = 0 ; i < existingAttributes.size() ; ++i )
+		{
+		mulvisualitem::TVisualAttribute attributeName = existingAttributes[i];
+		IMulVariantType* newValue = aVisualItem.Attribute( attributeName );
+		if(newValue)
+		    {
+		    std::auto_ptr<IMulVariantType> cloneValue = newValue->Clone();
+		   	int newflags = aVisualItem.Flag( attributeName );
+		
+		   	visualItem->SetAttribute( attributeName , cloneValue.get(), newflags );
+		   	cloneValue.release();
+		    }
+		}
+	visualItem->ResetDirtyAttribute(aVisualItem);
+	}
+
+// ---------------------------------------------------------------------------
+// Data 
+// ---------------------------------------------------------------------------
+//
+MulVisualItem* MulCacheManager::Data(const MulDataPath& /*aPath*/, int aIndex ) const
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::Data()");
+	
+	//__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+	
+	MulVisualItemMap::const_iterator findIter = mVisualItemMap.find(aIndex);
+	if( findIter != mVisualItemMap.end() )
+		{		
+		return findIter->second;
+		}
+	else
+		{
+		return NULL;
+		}
+	}
+
+// ---------------------------------------------------------------------------
+// Data 
+// ---------------------------------------------------------------------------
+//
+MulVisualItem* MulCacheManager::Data( int aIndex ) const
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::Data()");
+	   
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+		
+	MulDataPath path ;
+	return Data( path, aIndex );
+	}
+
+// ---------------------------------------------------------------------------
+// Count 
+// ---------------------------------------------------------------------------
+//
+int MulCacheManager::Count() const
+	{
+	return mVisualItemMap.size();
+	}
+	
+// ---------------------------------------------------------------------------
+// ExpandedNodeCount 
+// ---------------------------------------------------------------------------
+//
+int MulCacheManager::ExpandedNodeCount( ) const
+	{
+	//return mTree.ExpandedNodeCount();
+	return mTotalCount;
+	}
+
+// ---------------------------------------------------------------------------
+// SetMarkedIndices
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::SetMarkedIndices( MulWidgetDef::TMulWidgetMarkingType aType ,
+									 const std::vector<int>& aItemsIndex,
+									 const MulDataPath& /*aPath*/)
+
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::SetMarkedIndices()");
+	
+	bool selection( false );
+	// If selection type is not mark or unmark throw invalid argument exception
+	aType == MulWidgetDef::EMulMark || aType == MulWidgetDef::EMulUnmark ?
+	selection = ( aType == MulWidgetDef::EMulMark ) :
+	throw std::invalid_argument( KInvalidArgument ); 
+	
+	// Add selected indices to vector and remove unselected
+	for(int i = 0 ; i < aItemsIndex.size() ; i++ )
+		{
+		int  index = aItemsIndex[i];
+		selection ? mSelectionMap[index] = index : mSelectionMap.erase(index);
+		}	
+	}
+	
+// ---------------------------------------------------------------------------
+// SetMarkedIndices
+// ---------------------------------------------------------------------------
+//
+void MulCacheManager::SetMarkedIndices(MulWidgetDef::TMulWidgetMarkingType aType)
+	{	
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::SetMarkedIndices()");
+	
+	bool selection(false);
+	// If selection type is not mark all or unmark all throw invalid argument exception
+	aType == MulWidgetDef::EMulMarkAll || aType == MulWidgetDef::EMulUnmarkAll ?
+	selection = ( aType == MulWidgetDef::EMulMarkAll ) :
+	throw std::invalid_argument( KInvalidArgument ); 
+	
+	int count = ExpandedNodeCount();
+	for(int i = 0 ; i < count ; ++i )
+		{
+		selection ? mSelectionMap[i] = i : mSelectionMap.erase(i);
+		}		
+	}
+
+// ---------------------------------------------------------------------------
+// MarkedIndices
+// ---------------------------------------------------------------------------
+//
+const std::vector<int>& MulCacheManager::MarkedIndices( const MulDataPath& /*aPath*/  )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::MarkedIndices()");
+	
+	mSelectionVector.clear();
+	
+	int count = ExpandedNodeCount();
+	for( int i=0; i < count ;++i )
+		{
+		MulSelectionMap::const_iterator itr = mSelectionMap.find(i);
+		if(	itr != mSelectionMap.end() )
+			{
+			mSelectionVector.insert(i);
+			}
+		}
+	return mSelectionVector.actualVector();	
+	}
+
+// ---------------------------------------------------------------------------
+// IsItemMarked
+// ---------------------------------------------------------------------------
+//  
+bool MulCacheManager::IsItemMarked( int aIndex ) const
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::IsItemMarked()");
+	
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+		
+	MulSelectionMap::const_iterator itr = mSelectionMap.find( aIndex );	
+	return ( itr != mSelectionMap.end() );
+	}
+
+// ---------------------------------------------------------------------------
+// SetMarkedIndex
+// ---------------------------------------------------------------------------
+// 
+void MulCacheManager::SetMarkedIndex( MulWidgetDef::TMulWidgetMarkingType aType, int aIndex )
+	{
+	MUL_LOG_ENTRY_EXIT("MUL::MulCacheManager::SetMarkedIndex()");
+	
+	__MUL_ASSERT_DEBUG( aIndex >= 0 && aIndex < ExpandedNodeCount() , KLInvalidArgument );
+	
+	bool selection( false );
+	// If selection type is not mark or unmark throw invalid argument exception
+	aType == MulWidgetDef::EMulMark || aType == MulWidgetDef::EMulUnmark ?
+	selection = ( aType == MulWidgetDef::EMulMark ) :
+	throw std::invalid_argument( KInvalidArgument ); 
+	
+	selection ? mSelectionMap[aIndex] = aIndex : mSelectionMap.erase(aIndex);
+	}
+	
+} //end of namespace alf
+
+//end of file