/*

* 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:

*     Zhiqiang Yang <zhiqiang.yang@nokia.com>

*     Steven Yao <steven.yao@nokia.com>

* 

* Description:

*     The source file of the file browse view of file manager

*

*/

#include "fmfileview.h"

#include "fmutils.h"

#include "fmfiledialog.h"

#include "fmfilebrowsewidget.h"

#include "fmviewmanager.h"

#include "fmoperationservice.h"

#include "fmdlgutils.h"

#include <QApplication>

#include <QGraphicsLinearLayout>

#include <hbinstance.h>

#include <hbmenu.h>

#include <hbaction.h>

#include <hbtoolbar.h>

#include <hblineedit.h>

#include <hbpushbutton.h>

#include <hbmainwindow.h>

FmFileView::FmFileView() : FmViewBase( EFileView ), mWidget( 0 ),

    mUpButton( 0 ), mStyleAction( 0 ), mSelectableAction( 0 ),

    mFindAction( 0 ), mOperationService( 0 ), mMenu( 0 ), mIsFindDisabled( false )

{

    mOperationService = FmViewManager::viewManager()->operationService();

	initMenu();

	initMainWidget();

    initToolBar();

	QMetaObject::connectSlotsByName( this );

}

FmFileView::~FmFileView()

{

    removeToolBarAction();

}

void FmFileView::setRootPath( const QString &pathName )

{

    if( pathName.isEmpty() ) {

        return;

    }

    mWidget->setRootPath( pathName );

    QString driveName = FmUtils::getDriveNameFromPath( pathName );

    /*

	FmDriverInfo driverInfo = FmUtils::queryDriverInfo( driveName );

    QString volumeName = driverInfo.volumeName();

	if( volumeName.isEmpty() ){

        FmDriverInfo::DriveState driveState = FmUtils::queryDriverInfo( driveName ).driveState();

        if( !( driveState & FmDriverInfo::EDriveNotPresent ) ){

            if( driveState & FmDriverInfo::EDriveRemovable ) {

                if( driveState & FmDriverInfo::EDriveMassStorage ) {

                    volumeName.append( hbTrId( "Mass Storage" ) );  

                }

                else{

                    volumeName.append( hbTrId( "Memory Card" ) );

                }

            }

            else{

                volumeName.append( hbTrId( "Phone Memory" ) );

            }

        }

	    }

	*/

	//QString titleText = FmUtils::removePathSplash( driverInfo.name() ) + ' ' + volumeName;

    QString titleText( FmUtils::fillDriveVolume( driveName, true ) );

	setTitle( titleText );

}

void FmFileView::setRootLevelPath( const QString &pathName )

{

    rootLevelPath = FmUtils::fillPathWithSplash( pathName );

}

void FmFileView::setFindDisabled( bool disable )

{

    mIsFindDisabled = disable;

    if( mFindAction ) {

        mFindAction->setDisabled( mIsFindDisabled );

    }

}

void FmFileView::initMenu()

{

    HbAction *action = 0;

#ifdef FM_CHANGE_ORIENT_ENABLE

	action = new HbAction( this );

	action->setObjectName( "rotateAction" );

	action->setText( hbTrId( "Change orientation" ) );

	menu()->addAction( action );

#endif

//	mStyleAction = new HbAction();

//	mStyleAction->setObjectName( "switchStyle" );

//	menu()->addAction( mStyleAction );

	mSelectableAction = new HbAction();

	mSelectableAction->setObjectName( "setSelectable" );

	menu()->addAction( mSelectableAction );

    connect( mSelectableAction, SIGNAL( triggered() ),

        this, SLOT( on_setSelectable_triggered() ), Qt::QueuedConnection );

	action = new HbAction();

	action->setObjectName( "delete" );

	action->setText( hbTrId( "txt_fmgr_menu_delete" ) );

	menu()->addAction( action );

    connect( action, SIGNAL( triggered() ),

        this, SLOT( on_delete_triggered() ), Qt::QueuedConnection );

    action = new HbAction();

    action->setObjectName( "copy" );

    action->setText( hbTrId( "txt_fmgr_menu_copy" ) );

    menu()->addAction( action );

    connect( action, SIGNAL( triggered() ),

        this, SLOT( on_copy_triggered() ), Qt::QueuedConnection );

    action = new HbAction();

    action->setObjectName( "move" );

    action->setText( hbTrId( "txt_fmgr_menu_move" ) );

    menu()->addAction( action );

    connect( action, SIGNAL( triggered() ),

        this, SLOT( on_move_triggered() ), Qt::QueuedConnection );

    action = new HbAction();

    action->setObjectName( "newFolder" );

    action->setText( hbTrId( "txt_fmgr_opt_new_folder" ) );

    menu()->addAction( action );

    connect( action, SIGNAL( triggered() ),

        this, SLOT( on_newFolder_triggered() ), Qt::QueuedConnection );

    HbMenu *subMenu = new HbMenu( hbTrId( "Sort" ) );

    HbAction *sortNameAction = new HbAction( subMenu );

    sortNameAction->setObjectName( "sortNameAction" );

    sortNameAction->setText( hbTrId( "Sort by name" ) );

    subMenu->addAction( sortNameAction );

    HbAction *sortTimeAction = new HbAction( subMenu );

    sortTimeAction->setObjectName( "sortTimeAction" );

    sortTimeAction->setText( hbTrId( "Sort by time" ) );

    subMenu->addAction( sortTimeAction );

    HbAction *sortSizeAction = new HbAction( subMenu );

    sortSizeAction->setObjectName( "sortSizeAction" );

    sortSizeAction->setText( hbTrId( "Sort by size" ) );

    subMenu->addAction( sortSizeAction );

    HbAction* sortTypeAction = new HbAction( subMenu );

    sortTypeAction->setObjectName( "sortTypeAction" );

    sortTypeAction->setText( hbTrId( "Sort by type" ) );

    subMenu->addAction( sortTypeAction );

    menu()->addMenu( subMenu );

    connect( sortNameAction, SIGNAL( triggered() ),

             this, SLOT( on_sortNameAction_triggered() ), Qt::QueuedConnection );

    connect( sortTimeAction, SIGNAL( triggered() ),

             this, SLOT( on_sortTimeAction_triggered() ), Qt::QueuedConnection );

    connect( sortSizeAction, SIGNAL( triggered() ),

             this, SLOT( on_sortSizeAction_triggered() ), Qt::QueuedConnection );

    connect( sortTypeAction, SIGNAL( triggered() ),

             this, SLOT( on_sortTypeAction_triggered() ), Qt::QueuedConnection );

    mMenu = takeMenu();

}

void FmFileView::initMainWidget()

{

	QGraphicsLinearLayout *vLayout = new QGraphicsLinearLayout( this );

	vLayout->setOrientation( Qt::Vertical );

	mWidget = new FmFileBrowseWidget( this );

	mWidget->setObjectName( "mainWidget" );

	setStyle( FmFileBrowseWidget::ListStyle );

	setSelectable( false );

	vLayout->addItem( mWidget );

	//set stretch factor to file browser widget, so that it could fully cover the client area.

	vLayout->setStretchFactor( mWidget, 1 );

	setLayout( vLayout );

    connect( mWidget, SIGNAL( startSearch( const QString&,  const QString& ) ),

             this, SLOT( startSearch( const QString&, const QString& ) ) );

    connect( mWidget, SIGNAL( setEmptyMenu( bool ) ),

             this, SLOT( on_mainWidget_setEmptyMenu( bool ) ) );

    connect( mWidget, SIGNAL( setTitle( const QString & ) ),

             this, SLOT( on_mainWidget_setTitle( const QString & ) ) );

}

void FmFileView::initToolBar()

{

    toolBar()->clearActions();

    mFindAction = new HbAction( this );

    mFindAction->setObjectName( "leftAction" );

    mFindAction->setText( hbTrId("txt_fmgr_opt_find") );

    mFindAction->setDisabled( mIsFindDisabled );

    toolBar()->addAction( mFindAction );

    mToolBarRightAction = new HbAction( this );

    mToolBarRightAction->setObjectName( "rightAction" );

    mToolBarRightAction->setText( hbTrId( "up" ) );

    toolBar()->addAction( mToolBarRightAction );

    toolBar()->setOrientation( Qt::Horizontal );

    //mToolBar = takeToolBar();

    connect( mFindAction, SIGNAL( triggered() ),

                 this, SLOT( on_leftAction_triggered() ) );

    connect( mToolBarRightAction, SIGNAL( triggered() ),

             this, SLOT( on_rightAction_triggered() ), Qt::QueuedConnection );

}

void FmFileView::setStyle( FmFileBrowseWidget::Style style )

{

    /*

	if ( style == FmFileBrowseWidget::ListStyle ) {

		mStyleAction->setText( hbTrId("Tree") );

	} else if ( style == FmFileBrowseWidget::TreeStyle ) {

		mStyleAction->setText( hbTrId("List") );

	}

	*/

	mWidget->setStyle( style );

}

void FmFileView::setSelectable( bool enable )

{

	if (enable) {

		mSelectableAction->setText( hbTrId("No Select") );

	} else {

		mSelectableAction->setText( hbTrId("Select") );

	}

	mWidget->setSelectable( enable );

}

void FmFileView::infoNoFileSelected()

{

	FmDlgUtils::information( hbTrId("No File/Folder selected" ) );

}

#ifdef FM_CHANGE_ORIENT_ENABLE

void FmFileView::on_rotateAction_triggered()

{

	if ( mainWindow()->orientation() == Qt::Vertical ) {

		mainWindow()->setOrientation( Qt::Horizontal );

	}

	else {

		mainWindow()->setOrientation( Qt::Vertical );

	}

}

#endif

void FmFileView::on_switchStyle_triggered()

{

	if (mWidget->style() == FmFileBrowseWidget::ListStyle) {

		setStyle( FmFileBrowseWidget::TreeStyle );

	} else if (mWidget->style() == FmFileBrowseWidget::TreeStyle) {

		setStyle( FmFileBrowseWidget::ListStyle );

	}

}

void FmFileView::on_setSelectable_triggered()

{

	setSelectable( !mWidget->selectable() );

}

void FmFileView::on_delete_triggered()

{

	QList<QFileInfo> files = mWidget->checkedItems();

    if (files.size() == 0) {

		infoNoFileSelected();

    } else {

        if (FmDlgUtils::question( hbTrId("Confirm Deletion?" ) )) {

            QStringList fileList;

            for (int i = 0; i < files.size(); ++i) {

                fileList.push_back( files[i].absoluteFilePath() );

                }

            int ret = mOperationService->asyncRemove( fileList );

            switch( ret ) {

                case FmErrNone:

                    // no error, do not show note to user

                    break;

                case FmErrAlreadyStarted:

                    // last operation have not finished

                    FmDlgUtils::information( hbTrId( "Operatin already started!" ) );

                    break;

                case FmErrWrongParam:

                    FmDlgUtils::information( hbTrId( "Wrong parameters!" ) );

                    break;

                default:

                    FmDlgUtils::information( hbTrId( "Operation fail to start!" ) );

            }

            setSelectable( false );

        }

    }

}

void FmFileView::on_copy_triggered()

{

    QList<QFileInfo> files = mWidget->checkedItems();

    QStringList srcFileList;

    if (files.size() == 0) {

        infoNoFileSelected();

    } else {

        QString targetPathName = FmFileDialog::getExistingDirectory( 0, hbTrId( "copy to" ),

            QString(""), QStringList() );

        if( !targetPathName.isEmpty() && files.size() > 0 ) {

            targetPathName = FmUtils::fillPathWithSplash( targetPathName );

            foreach( QFileInfo fileInfo, files ){

                srcFileList.push_back( fileInfo.absoluteFilePath() );

            }

            int ret = mOperationService->asyncCopy(

                srcFileList, targetPathName );

            switch( ret ) {

                case FmErrNone:

                    // no error, do not show note to user

                    break;

                case FmErrAlreadyStarted:

                    // last operation have not finished

                    FmDlgUtils::information( hbTrId( "Operatin already started!" ) );

                    break;

                case FmErrWrongParam:

                    FmDlgUtils::information( hbTrId( "Wrong parameters!" ) );

                    break;

                default:

                    FmDlgUtils::information( hbTrId( "Operation fail to start!" ) );

            }

            setSelectable( false );

        }

    }

}

void FmFileView::on_move_triggered()

{

    QList<QFileInfo> files = mWidget->checkedItems();

    if (files.size() == 0) {

        infoNoFileSelected();

    } else {

        QString targetPathName = FmFileDialog::getExistingDirectory( 0, hbTrId( "move to" ),

            QString(""), QStringList() );

        if( !targetPathName.isEmpty() && files.size() > 0 ) {

            targetPathName = FmUtils::fillPathWithSplash( targetPathName );

            QStringList fileList;

            for (int i = 0; i < files.size(); ++i) {

                fileList.push_back( files[i].absoluteFilePath() );

            }

            int ret = mOperationService->asyncMove( fileList, targetPathName );

            switch( ret ) {

                case FmErrNone:

                    // no error, do not show note to user

                    break;

                case FmErrAlreadyStarted:

                    // last operation have not finished

                    FmDlgUtils::information( hbTrId( "Operatin already started!" ) );

                    break;

                case FmErrWrongParam:

                    FmDlgUtils::information( hbTrId( "Wrong parameters!" ) );

                    break;

                default:

                    FmDlgUtils::information( hbTrId( "Operation fail to start!" ) );

            }

            setSelectable( false );

        }

    }

}

void FmFileView::on_newFolder_triggered()

{

    int maxFileNameLength = FmUtils::getMaxFileNameLength();

    QString associatedDrive = FmUtils::getDriveLetterFromPath( mWidget->currentPath().absoluteFilePath() );

    QString path = FmUtils::fillPathWithSplash( mWidget->currentPath().absoluteFilePath() );

    QString dirName = createDefaultFolderName( path );

    QStringList regExpList = (QStringList() << Regex_ValidFileFolderName << Regex_ValidNotEndWithDot );

    QDir dir( path );  

    if( dir.exists() ) {

        while( FmDlgUtils::showTextQuery( hbTrId( "txt_fmgr_title_new_folder" ), dirName,

            regExpList, maxFileNameLength, associatedDrive , false ) ){

            // remove whitespace from the start and the end.

            dirName = dirName.trimmed();

            QString newTargetPath = FmUtils::fillPathWithSplash(

                dir.absolutePath() ) + dirName;

            QString errString;

            // check if name/path is available for use

            if( !FmUtils::checkNewFolderOrFile( dirName, newTargetPath, errString ) ) {

                FmDlgUtils::information( errString );

                continue;

            }

            if( !dir.mkdir( dirName ) ) {

                FmDlgUtils::information( hbTrId("Operation failed!") );

            }

            break;

        }

    }

}

void FmFileView::on_upAction_triggered()

{

	mWidget->cdUp();

}

void FmFileView::on_leftAction_triggered()

{

    mWidget->activeSearchPanel();

}

void FmFileView::on_rightAction_triggered()

{

    QString currentPath( 

        FmUtils::fillPathWithSplash( mWidget->currentPath().filePath() ) );

    if( rootLevelPath.length() != 0 &&

        rootLevelPath.compare( currentPath, Qt::CaseInsensitive ) == 0  ) {

        emit popViewAndShow();

    } else if ( !mWidget->cdUp() ) {

		//hbInstance->allMainWindows()[0]->softKeyAction(Hb::SecondarySoftKey)->trigger();

        emit popViewAndShow();

	}

}

void FmFileView::on_driveChanged()

{

    mWidget->on_driveChanged();  

}

void FmFileView::on_sortNameAction_triggered()

{

    mWidget->sortFiles( FmFileBrowseWidget::ESortByName );

}

void FmFileView::on_sortTimeAction_triggered()

{

    mWidget->sortFiles( FmFileBrowseWidget::ESortByTime );

}

void FmFileView::on_sortSizeAction_triggered()

{

    mWidget->sortFiles( FmFileBrowseWidget::ESortBySize );

}

void FmFileView::on_sortTypeAction_triggered()

{

    mWidget->sortFiles( FmFileBrowseWidget::ESortByType );

}

void FmFileView::startSearch( const QString &targetPath, const QString &criteria )

{    

    if ( !criteria.isEmpty() && !targetPath.isEmpty() ) {

        FmViewManager::viewManager()->createFindView( criteria, targetPath );

    }

}

void FmFileView::removeToolBarAction()

{

    toolBar()->clearActions();

}

void FmFileView::on_mainWidget_setEmptyMenu( bool isMenuEmpty )

{

    if( isMenuEmpty ){

        FM_LOG( "setEmptyMenu true" );

        if( !mMenu ) {

            mMenu = takeMenu();

        }

        toolBar()->clearActions();

    }

    else {

        FM_LOG( "setEmptyMenu false" );

        if( mMenu ) {

            setMenu( mMenu );

            mMenu = 0;

        }

        initToolBar();

    }

}

void FmFileView::on_mainWidget_setTitle( const QString &title )

{

    this->setTitle( title );

}

QString FmFileView::createDefaultFolderName( const QString &path )

{

    // create new folder name, for example, New folder(01), New folder(02)

    QString checkedPath( FmUtils::fillPathWithSplash( path ) );

    QString dirName( hbTrId( "txt_fmgr_dialog_entry_new_folder" ) );

    QString dirAbsolutePath( checkedPath + dirName );

    QFileInfo fileInfo( dirAbsolutePath );

    int i = 0;    

    while ( fileInfo.exists() ) {

        ++i;

		QString numName;

        if ( i < 10 ) {

            numName.append( QString::number(0) );                        

        }

        numName.append( QString::number(i) );

        // txt_fmgr_dialog_entry_new_folder_l1 is not available now. use actual text instead of it.

        dirName = hbTrId( "New folder (%L1)" ).arg( numName );

        dirAbsolutePath = checkedPath + dirName;

        fileInfo.setFile( dirAbsolutePath );

    }