/*  

* 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>

* 

* Description:

*     The source file of the file find widget of file manager

*

*/

#include "fmfindwidget.h"

#include "fmfindresultmodel.h"

#include "fmviewmanager.h"

#include "fmoperationservice.h"

#include <QGraphicsLinearLayout>

#include <QFileInfo>

#include <hblistview.h>

#include <hbsearchpanel.h>

#include <hblabel.h>

#include <hbwidget.h>

FmFindWidget::FmFindWidget( QGraphicsItem *parent )

    : HbWidget( parent )

{

    init();

}

FmFindWidget::~FmFindWidget()

{

}

void FmFindWidget::itemActivated(const QModelIndex &index)

{   

    FmOperationService *operationService = FmViewManager::viewManager()->operationService();

    if( !operationService ) {

        return;

    }

    QFileInfo fileInfo = mModel->fileInfo( index );

    if ( fileInfo.isFile() ) {

        operationService->syncLaunchFileOpen( fileInfo.filePath() );

    }else if( fileInfo.isDir() ) {

        emit activated( fileInfo.filePath() );

    }

}

void FmFindWidget::find( const QString &keyword, const QString &path )

{

    mModel->setFindPath( path );

    QRegExp regExp( '*' + keyword + '*' );

    regExp.setPatternSyntax( QRegExp::Wildcard );

    regExp.setCaseSensitivity( Qt::CaseInsensitive );

    mModel->setPattern( regExp );

    mModel->find();

}

void FmFindWidget::stopFind()

{

    mModel->stop();

}

void FmFindWidget::on_resultModel_finished()

{

    emit finished();

}

void FmFindWidget::on_resultModel_modelCountChanged( int count )

{

    if( count > 0 ) {

        activateContentWidget( ResultListView );

    } else {

        activateContentWidget( EmptyTipWidget );

    }

}

void FmFindWidget::activateContentWidget( ContentWidgetType contentWidgetType )

{

    switch( contentWidgetType )

    {

    case EmptyTipWidget:

        {

        if( mLayout->count() > 0 ) {

            if( mLayout->itemAt( 0 ) == mListView ) {

                mLayout->removeItem( mListView );

                mLayout->addItem( mEmptyTipWidget );

            } 

        } else {

            mLayout->addItem( mEmptyTipWidget );

        }

        mListView->hide();

        mEmptyTipWidget->show();

        deActiveSearchPanel();

        emit setEmptyMenu( true );

        }

        break;

    case ResultListView:

        {

        if( mLayout->count() > 0 ) {

            if( mLayout->itemAt( 0 ) == mEmptyTipWidget ) {

                mLayout->removeItem( mEmptyTipWidget );

                mLayout->addItem( mListView );

            } 

        } else {

            mLayout->addItem( mListView );

        }

        mEmptyTipWidget->hide();

        mListView->show();

        activeSearchPanel();

        emit setEmptyMenu( false );

        }

        break;

    }

}

void FmFindWidget::init()

{

    mLayout = new QGraphicsLinearLayout( this );

    mLayout->setOrientation( Qt::Vertical );

    mModel = new FmFindResultModel( this );

    mModel->setObjectName( "resultModel" );

    connect( mModel, SIGNAL(finished()), this, SLOT( on_resultModel_finished()) );

    connect( mModel, SIGNAL( modelCountChanged( int )),

        this, SLOT( on_resultModel_modelCountChanged( int )) );

    mListView = new HbListView( this );

    mListView->setModel( mModel );

    mEmptyTipWidget = new HbWidget( this );

    QGraphicsLinearLayout *emptyTipLayout = new QGraphicsLinearLayout( mEmptyTipWidget );

    HbLabel *emptyTipLable = new HbLabel( hbTrId( "No found files or folders" ), mEmptyTipWidget );

    emptyTipLayout->addItem( emptyTipLable );

    initSearchPanel();

    activateContentWidget( EmptyTipWidget );

    setLayout( mLayout );

    connect( mListView, SIGNAL(activated(QModelIndex)), this, SLOT(itemActivated(QModelIndex)));

}

void FmFindWidget::initSearchPanel()

{

    mSearchPanel = new HbSearchPanel( this );

    mSearchPanel->setObjectName( "searchPanel" );

//    mSearchPanel->setSearchOptionsEnabled( true );

    mSearchPanel->setProgressive( false );

    mSearchPanel->hide();

    connect( mSearchPanel, SIGNAL( criteriaChanged( const QString & ) ),

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

    connect( mSearchPanel, SIGNAL( exitClicked() ),

        this, SLOT( on_searchPanel_exitClicked() ) );

}

void FmFindWidget::sortFiles( FmFindResultModel::SortFlag sortFlag )

{

    mModel->sort( sortFlag );

}

void FmFindWidget::activeSearchPanel()

{

    mLayout->addItem( mSearchPanel );

    mSearchPanel->show();

}

void FmFindWidget::on_searchPanel_criteriaChanged( const QString &criteria )

{

    mFindTargetPath.clear();

    emit startSearch( mFindTargetPath, criteria );

}

void FmFindWidget::on_searchPanel_exitClicked()

{

    mSearchPanel->hide();

    mLayout->removeItem( mSearchPanel );

}

void FmFindWidget::deActiveSearchPanel()

{

    mSearchPanel->hide();

    mLayout->removeItem( mSearchPanel );

}