/*

* Copyright (c) 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: 

*

*/

#include <hbmessagebox.h>

#include <hblabel.h>

#include <mpxcollectionpath.h>

#include <mglxmedialist.h>

#include <glxcommandfactory.h>

#include <glxcommandhandlercomment.h>

#include <glxattributecontext.h>

#include <glxattributeretriever.h>

#include <glxfetchcontextremover.h>

#include <glxcommondialogs.h>

#include "glxlocalisationstrings.h"

GlxCommandHandlerComment::GlxCommandHandlerComment()

    {

    }

GlxCommandHandlerComment::~GlxCommandHandlerComment()

    {

    }

CMPXCommand* GlxCommandHandlerComment::CreateCommandL(TInt aCommandId,

        MGlxMediaList& aMediaList, TBool& aConsume) const

    {

    Q_UNUSED(aCommandId);

    Q_UNUSED(aConsume);

    CMPXCommand* command = NULL;

    QString mainPane = GetName(aMediaList);

    QString title(GLX_DETAILS_DESCRIPTION);

    QString mediaTitle = NULL;

    bool ok = false;    

    GlxTextInputDialog* dlg = new GlxTextInputDialog();

    mediaTitle = dlg->getText(title, mainPane, &ok);

    delete dlg;

    if(ok == true)

        {

        TPtrC16 newMediaItemTitleDes

            = (reinterpret_cast<const TUint16*> (mediaTitle.utf16()));

        HBufC* newMediaItemTitle = newMediaItemTitleDes.Alloc();

        CleanupStack::PushL(newMediaItemTitle);

        CMPXCollectionPath* path = aMediaList.PathLC(

                NGlxListDefs::EPathFocusOrSelection);

        command = 

            TGlxCommandFactory::SetDescriptionCommandLC(*newMediaItemTitle,*path);

        CleanupStack::Pop(command);

        CleanupStack::PopAndDestroy(path);

        CleanupStack::PopAndDestroy(newMediaItemTitle);

        }

    return command;

    }

QString GlxCommandHandlerComment::CompletionTextL() const

    {

	//return command completion text

	return QString();

    }

QString GlxCommandHandlerComment::GetName(MGlxMediaList& aMediaList) const

    {

        // Create an iterator to retrieve the relevant attribute

    TGlxSelectionIterator iterator;

    // only want the title of one item

	iterator.SetRange( 1 );

    CGlxAttributeContext* context = new( ELeave )

        CGlxAttributeContext( &iterator );

	CleanupStack::PushL( context );

	// Want to read the title attribute    

    // Configure the context

	context->AddAttributeL( KMPXMediaGeneralComment );

	// Add the context to the media list

	aMediaList.AddContextL( context, KGlxFetchContextPriorityBlocking );

    // TGlxContextRemover will remove the context when it goes out of scope

    // Used here to avoid a trap and still have safe cleanup    

    TGlxFetchContextRemover contextRemover( context, aMediaList );

    // put to cleanupstack as cleanupstack is emptied before stack objects

    // are deleted

    CleanupClosePushL( contextRemover );

	// Yuck - a leave and a return code!

	// EFalse => don't show a progress dialog

    TInt err = GlxAttributeRetriever::RetrieveL( *context, aMediaList, EFalse );

    // Using a distinct error value as "LeaveIfError( FuncL() );" looks bad

    User::LeaveIfError( err );

    // context off the list

    CleanupStack::PopAndDestroy( &contextRemover );

    // Now get the title of the relevant item: if *an* item is selected use its

    // title, otherwise use the item with focus

	// Get the index of the item to rename

    TInt index = KErrNotFound;

    QString title = NULL;

	// first see if there's a selected item...

    if ( aMediaList.SelectionCount() == 1 )

    	{

        // Find the index of the selected item

    	index = aMediaList.Count();

    	do

            {

            --index;

            }

        while ( !aMediaList.IsSelected( index ) && index > 0 );

    	}

    else

    	{

    	// Use the index of the item with focus

       	index = aMediaList.FocusIndex();

    	}

	if ( index != KErrNotFound )

		{

        // use iterator to get the right item

        iterator.SetToFirst( &aMediaList );

        const CGlxMedia* media = aMediaList.Item( iterator++ ).Properties();

		if( media )

			{

			// found the item's media properties, extract the title

            const TDesC& titleDesc = media->ValueText(KMPXMediaGeneralComment);

            title = QString::fromUtf16(titleDesc.Ptr(),

                    titleDesc.Length());

			}

		}

    CleanupStack::PopAndDestroy( context );

    return title;

    }