/*

 * 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: 

 *

 */

//Includes Qt/Symbian

#include <QFile>

#include <caf/manager.h>

//Includes Orbit

#include <hblabel.h>

#include <hbmessagebox.h>

//User Includes

#include <mglxmedialist.h>

#include <glxcommondialogs.h>

#include <mpxcollectionpath.h>

#include <glxcommandfactory.h>

#include <glxattributecontext.h>

#include <glxcommandhandlers.hrh>

#include <glxattributeretriever.h>

#include "glxlocalisationstrings.h"

#include <glxfetchcontextremover.h>

#include <glxcommandhandlerrename.h>   

GlxCommandHandlerRename::GlxCommandHandlerRename()

    {

    }

GlxCommandHandlerRename::~GlxCommandHandlerRename()

    {

    }

CMPXCommand* GlxCommandHandlerRename::CreateCommandL(TInt aCommandId,

        MGlxMediaList& aMediaList, TBool& aConsume) const

    {

    Q_UNUSED(aCommandId);

    Q_UNUSED(aConsume);

    bool ok = false;

    CMPXCommand* command = NULL;

    CMPXCollectionPath* path = NULL;

    QString mainPane = GetName(aMediaList);

    GlxTextInputDialog* dlg = new GlxTextInputDialog();

    if (aCommandId == EGlxCmdRenameFile)

        {

        mMediaTitle = dlg->getText(GLX_DIALOG_NAME_PROMPT, mainPane, &ok);

        }

    else

        {

        mMediaTitle = dlg->getText(GLX_DIALOG_ALBUM_PROMPT, mainPane, &ok);

        }

    delete dlg;

    if(ok == true)

        {

        TPtrC16 newMediaItemTitleDes =

                (reinterpret_cast<const TUint16*> (mMediaTitle.utf16()));

        HBufC* newMediaItemTitle = newMediaItemTitleDes.Alloc();

        CleanupStack::PushL(newMediaItemTitle);

        if (aCommandId == EGlxCmdRenameFile)

            {

            TDesC& aTitleText = *newMediaItemTitle;

            TInt index = aMediaList.FocusIndex();

            const TGlxMedia& media = aMediaList.Item(index);

            TParsePtrC parsePtr(media.Uri());

            //Constructs the File Name with complete Path

            TFileName destinationFileName;

            destinationFileName.Append(parsePtr.DriveAndPath());

            destinationFileName.Append(aTitleText);

            destinationFileName.Append(parsePtr.Ext());

            HBufC* modifiedName = destinationFileName.AllocLC();

            QString fileName = QString::fromUtf16(modifiedName->Ptr(),

                    modifiedName->Length());

            ContentAccess::CManager *manager =

                    ContentAccess::CManager::NewL();

            CleanupStack::PushL(manager);

            QFile filePath(fileName);

            bool isFileExist = filePath.exists();

            if (!isFileExist)

                {

                //rename the media

                TInt error = manager->RenameFile(media.Uri(), *modifiedName);

                    {

                    path = aMediaList.PathLC(

                            NGlxListDefs::EPathFocusOrSelection);

                    command = TGlxCommandFactory::RenameCommandLC(

                            *newMediaItemTitle, *path);

                    CleanupStack::Pop(command);

                    CleanupStack::PopAndDestroy(path);

                }

            else

                {

                //The Name of the file name already exists, display an message .

                HandleErrorL(KErrAlreadyExists);

                }

            CleanupStack::PopAndDestroy(manager);

            CleanupStack::PopAndDestroy(modifiedName);

            CleanupStack::PopAndDestroy(newMediaItemTitle);

            }

        else

            {

            //Rename of Album

            CMPXCollectionPath* path = aMediaList.PathLC(

                    NGlxListDefs::EPathFocusOrSelection);

            command = TGlxCommandFactory::RenameCommandLC(*newMediaItemTitle,

                    *path);

            CleanupStack::Pop(command);

            CleanupStack::PopAndDestroy(path);

            CleanupStack::PopAndDestroy(newMediaItemTitle);

            }

        }

    return command;

    }

QString GlxCommandHandlerRename::CompletionTextL() const

    {

	//return command completion text

	return QString();

    }

QString GlxCommandHandlerRename::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( KMPXMediaGeneralTitle );

	// 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(KMPXMediaGeneralTitle);

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

                    titleDesc.Length());

			}

		}

    CleanupStack::PopAndDestroy( context );

    return title;

    }

void GlxCommandHandlerRename::HandleErrorL(TInt aErrorCode) const

	{

    if(aErrorCode == KErrAlreadyExists)

        {

        QString stringToDisplay = hbTrId(GLX_NAME_ALREADY_EXIST).arg(

                mMediaTitle);

        HbMessageBox::warning(stringToDisplay);

        }

	else{

		GlxMpxCommandHandler::HandleErrorL(aErrorCode);

		}	

	}