--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/commandhandlers/commoncommandhandlers/src/glxcommandhandlersortorder.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,240 @@
+/*
+* Copyright (c) 2008-2009 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:    SortOrder command handler
+*
+*/
+
+
+
+
+#include "glxcommandhandlersortorder.h"
+
+#include <data_caging_path_literals.hrh>
+#include <glxcommandhandlers.hrh>
+#include <glxpanic.h>
+#include <glxtracer.h>
+#include <glxlog.h>
+#include <centralrepository.h>		// For CRepository
+#include <mglxmedialist.h>			// For MGlxMediaList
+#include <glxsettingsmodel.h>		// For cenrep setting 
+	
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CGlxCommandHandlerSortOrder* CGlxCommandHandlerSortOrder::NewL(
+        					MGlxMediaListProvider* aMediaListProvider,
+							const TUint32 aCRKey)
+    {
+    CGlxCommandHandlerSortOrder* self = new ( ELeave )
+    	CGlxCommandHandlerSortOrder(aMediaListProvider, aCRKey);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------------------------
+//
+CGlxCommandHandlerSortOrder::CGlxCommandHandlerSortOrder(
+							MGlxMediaListProvider* aMediaListProvider,
+							const TUint32 aCRKey)
+    : CGlxMediaListCommandHandler(aMediaListProvider), iKey(aCRKey)
+    {
+    // Do nothing
+    }
+ 
+// ---------------------------------------------------------------------------
+// Symbian 2nd phase constructor can leave.
+// ---------------------------------------------------------------------------
+//
+void CGlxCommandHandlerSortOrder::ConstructL()
+    {
+    TRACER("CGlxCommandHandlerSortOrder::ConstructL");
+    
+    // Add supported commands
+    GLX_LOG_INFO("CGlxCommandHandlerSortOrder::ConstructL::Add alphabetical sort order command handler");
+   	TCommandInfo info( EGlxCmdSortByAlphabetical );
+    info.iMinSelectionLength = 1;
+    info.iMaxSelectionLength = KMaxTInt;
+   	AddCommandL(info);
+   	
+   	GLX_LOG_INFO("CGlxCommandHandlerSortOrder::ConstructL::Add frequency sort order command handler");
+   	TCommandInfo info2( EGlxCmdSortByCount );
+    info2.iMinSelectionLength = 1;
+    info2.iMaxSelectionLength = KMaxTInt;
+   	AddCommandL(info2);
+	}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CGlxCommandHandlerSortOrder::~CGlxCommandHandlerSortOrder()
+    {
+    // Do nothing
+    }
+
+// -----------------------------------------------------------------------------
+// DoExecute - the relevant action for the command id
+// -----------------------------------------------------------------------------
+//
+TBool CGlxCommandHandlerSortOrder::DoExecuteL(TInt aCommandId,
+													MGlxMediaList& aList)
+	{
+    TRACER("CGlxCommandHandlerSortOrder::DoExecuteL");
+    
+    __ASSERT_DEBUG( NULL != &aList, Panic(EGlxPanicIllegalArgument) );
+	
+	GLX_LOG_INFO1("CGlxCommandHandlerSortOrder::DoExecuteL::Command Id (%d)",aCommandId);
+	TGlxFilterSortOrder newSortOrder = EGlxFilterSortOrderNotUsed;
+	TGlxFilterSortDirection newSortDirection = EGlxFilterSortDirectionNotUsed;
+    TBool handledCommand = EFalse;
+
+	switch (aCommandId)
+		{
+        case EGlxCmdSortByAlphabetical:
+            {
+  			GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoExecuteL::Sort Alphabetically");
+
+       		newSortOrder = EGlxFilterSortOrderAlphabetical;
+       		newSortDirection = EGlxFilterSortDirectionAscending;
+       		handledCommand = ETrue;
+            break;
+            }
+        case EGlxCmdSortByCount:
+            {
+  			GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoExecuteL::Sort by count");
+  			
+       		newSortOrder = EGlxFilterSortOrderItemCount;
+       		newSortDirection = EGlxFilterSortDirectionDescending;	        		
+       		handledCommand = ETrue;
+            break;
+            }            
+        default:
+        	{
+        	break;
+        	}
+		}
+		
+	// Check if the existing and the new sort order are different, the change the filter in MediaList
+	if( newSortOrder != EGlxFilterSortOrderNotUsed )
+		{
+		GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoExecuteL::Create a new sort order");
+
+		TGlxFilterProperties filterProperties;
+    	filterProperties.iSortOrder = newSortOrder;
+    	filterProperties.iSortDirection = newSortDirection;
+    	
+    	CMPXFilter* newFilter = TGlxFilterFactory::CreateCombinedFilterL(filterProperties, 
+    	                                                                    aList.Filter());
+    	CleanupStack::PushL(newFilter);
+
+    	aList.SetFilterL(newFilter);
+    	// Update central repository with new sort order
+    	CGlxSettingsModel::SetValueL(iKey,newSortOrder);
+    	CleanupStack::PopAndDestroy(newFilter);
+		}
+	
+	return handledCommand;
+	}
+
+// -----------------------------------------------------------------------------
+// DoIsDisabled
+// -----------------------------------------------------------------------------
+//	
+TBool CGlxCommandHandlerSortOrder::DoIsDisabled(TInt aCommandId, 
+													MGlxMediaList& aList) const
+	{
+    TRACER("CGlxCommandHandlerSortOrder::DoIsDisabled");
+	
+    __ASSERT_DEBUG( NULL != &aList, Panic(EGlxPanicIllegalArgument) );
+    
+	// Get the existing filter & try to find out what is the current sort order
+	GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Get the existing filter");
+    TGlxFilterSortOrder currentSortOrder = CurrentSortOrder(aList);		
+	
+	GLX_LOG_INFO1("CGlxCommandHandlerSortOrder::DoIsDisabled::Command Id (%d)",aCommandId);
+	TBool disabled = EFalse;
+	
+	TInt count(aList.Count());
+    switch( aCommandId)
+    	{
+        case EGlxCmdSortByAlphabetical:
+            {
+            GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Sort Alphabetically");
+            
+            // If the filter is already Alphabetical sort then hide the menu
+            if( count )
+            	{
+            	disabled = ( currentSortOrder == EGlxFilterSortOrderAlphabetical);
+            	}
+            else
+            	{
+            	disabled = ETrue; // Menu options should appear only if the list count is non-zero
+            	}
+        	
+            break;
+            }
+        case EGlxCmdSortByCount:
+            {
+    		GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Sort by count");
+    		
+    		// If the filter is already Frequency sort then hide the menu
+            if( count )
+            	{
+            	disabled = ( currentSortOrder == EGlxFilterSortOrderItemCount);
+            	}
+            else
+            	{
+            	disabled = ETrue; // Menu options should appear only if the list count is non-zero            	
+            	}
+            break;
+            }            
+        default:
+        	{
+        	break;
+        	}
+		}
+	
+	return disabled;
+	}
+
+// -----------------------------------------------------------------------------
+// GetSortOrder
+// -----------------------------------------------------------------------------
+//
+TGlxFilterSortOrder	CGlxCommandHandlerSortOrder::CurrentSortOrder(MGlxMediaList& aList) const
+    {
+    TRACER("CGlxCommandHandlerSortOrder::CurrentSortOrder");
+    
+    __ASSERT_DEBUG( NULL != &aList, Panic(EGlxPanicIllegalArgument) );
+    
+    TGlxFilterSortOrder currentSortOrder = EGlxFilterSortOrderNotUsed;
+	
+	CMPXFilter* filter = aList.Filter();
+	if ( filter )
+		{
+		GLX_LOG_INFO("CGlxCommandHandlerSortOrder::DoIsDisabled::Find the existing sort order");
+        currentSortOrder = filter->ValueTObjectL<TGlxFilterSortOrder>(KGlxFilterGeneralSortType);
+		}
+		
+	return currentSortOrder;
+    }
+	
+//End of file