/*

* 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 header file of the widget to browse files

*

*/

#ifndef FMFILEBROWSEWIDGET_H

#define FMFILEBROWSEWIDGET_H

#include "fmcommon.h"

#include "fmoperationservice.h"

#include <QFileInfo>

#include <hbwidget.h>

#include <QDir>

class QFileSystemModel;

class QGraphicsLinearLayout;

class HbListView;

class HbTreeView;

class HbAbstractViewItem;

class HbSearchPanel;

class HbLabel;

class FmFileIconProvider;

class FmFileBrowseWidget : public HbWidget

{

    Q_OBJECT

public:

    enum Style {

        NoStyle,

        ListStyle,

        TreeStyle,

        LabelStyle

    };

    enum TSortType{

        ESortByName,

        ESortByTime,

        ESortBySize,

        ESortByType

    };

    explicit FmFileBrowseWidget( HbWidget *parent = 0, FmFileBrowseWidget::Style style = ListStyle  );

    ~FmFileBrowseWidget();

    QFileInfo currentPath() const;

    QList<QFileInfo> checkedItems() const;

	Style style() const { return mStyle; }

    void setStyle( FmFileBrowseWidget::Style style );

	bool selectable() const;

	void setSelectable( bool enable );

	void clearSelection();

    bool rename( const QString &oldName, const QString &newName );

    void setModelFilter( QDir::Filters filters );

    int checkPathAndSetStyle( const QString& path );

    void sortFiles( TSortType sortType );

    void activeSearchPanel();

public slots:

    bool cdUp();

    void setRootPath( const QString &pathName );

    // triggered when drive is ejected/inserted

    void on_driveChanged();

    void on_searchPanel_searchOptionsClicked();

    void on_searchPanel_criteriaChanged( const QString &criteria );

    void on_searchPanel_exitClicked();

signals:

    void currentPathChanged( const QString& );

    void startSearch( const QString &targetPath, const QString &criteria );

    void setEmptyMenu( bool isMenuEmpty );

    void setTitle( const QString &title );

    void listActivated();

private slots:

    void on_list_activated( const QModelIndex &index );

    void on_listActivated();

    void on_tree_activated( const QModelIndex &index );

	void on_list_longPressed( HbAbstractViewItem *item, const QPointF &coords );

	void on_list_pressed( const QModelIndex &  index ) ;

    void on_tree_longPressed( HbAbstractViewItem *item, const QPointF &coords );    

    void on_viewAction_triggered();

    void on_copyAction_triggered();

    void on_moveAction_triggered();

    void on_deleteAction_triggered();

    void on_renameAction_triggered();

    void on_sendAction_triggered();

private:

    void initListView();

    void initTreeView();

    void initFileModel();

	void initLayout();

	void initSearchPanel();

	void initEmptyTipsLabel();

    void changeRootIndex( const QModelIndex &index );

	bool isDriver(const QModelIndex &index) const;

	bool isFolder(const QModelIndex &index) const;

	HbTreeView *mTreeView;

    HbListView *mListView;

    QGraphicsLinearLayout *mLayout;

    QFileSystemModel *mModel;

    bool mSelectable;

    //currentStyle

    Style mStyle;

    //used to store original tree/list style

    Style mFileBrowseStyle;

	HbAbstractViewItem* mCurrentItem;	

	FmOperationService *mOperationService;

    QString mFindTargetPath;

    HbSearchPanel *mSearchPanel;

    HbLabel *mEmptyTipLabel;

    QString mCurrentDrive;

    //used to avoid activate when long press list.

    bool mListLongPressed;

    QModelIndex mActivatedModelIndex;

    // provide icon from filemanger

    FmFileIconProvider *mFileIconProvider;

};

#endif