/*

* Copyright (c) 2010 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 "filebrowsermodel.h"

#include "enginewrapper.h"

#include "fileentry.h"

#include "driveentry.h"

#include "settingsview.h"

#include "filebrowsersettings.h"

#include "FB.hrh"

#include <QModelIndex>

#include <QFileIconProvider>

/**

  Constructs a file browser custom system model with the given \a engineWrapper and \a parent.

  */

FileBrowserModel::FileBrowserModel(EngineWrapper *engineWrapper, QObject *parent) :

    QAbstractListModel(parent),

    mEngineWrapper(engineWrapper),

    mFileIconProvider(0)

{

    mFileIconProvider = new QFileIconProvider();

}

/**

  Destroys this file browser custom system model.

  */

FileBrowserModel::~FileBrowserModel()

{  

    if (mFileIconProvider) {

        delete mFileIconProvider;

    }

}

/**

  \reimp

  */

int FileBrowserModel::rowCount(const QModelIndex &parent) const

{

    Q_UNUSED(parent);

    return mEngineWrapper->itemCount();

}

/**

  \reimp

  */

QVariant FileBrowserModel::data(const QModelIndex &index, int role) const

{

    if (!index.isValid() || index.model() != this)

        return QVariant();

    switch (role) {

    case Qt::EditRole:

    case Qt::DisplayRole: {

            QStringList listItem;

            if (mEngineWrapper->isDriveListViewActive()) {

                DriveEntry driveEntry(mEngineWrapper->getDriveEntry(index));

                if (mEngineWrapper->settings().fileViewMode() == EFileViewModeSimple)

                {

                    const QString SimpleDriveEntry("%1: <%2>");

                    listItem /*<< driveEntry.IconId() */

                            << SimpleDriveEntry.arg(driveEntry.driveLetter())

                                               .arg(driveEntry.mediaTypeString());

                } else if (mEngineWrapper->settings().fileViewMode() == EFileViewModeExtended) {

                    const QString SimpleDriveEntry("%1: <%2>");

                    const QString ExtendedDriveEntry("%1/%2 kB");

                    listItem /*<< driveEntry.IconId()*/

                            << SimpleDriveEntry.arg(driveEntry.driveLetter())

                                               .arg(driveEntry.mediaTypeString())

                            << ExtendedDriveEntry.arg(QString::number(driveEntry.volumeInfoFree()/1024))

                                                 .arg(QString::number(driveEntry.volumeInfoSize()/1024));

                }

            } else {

                FileEntry fileEntry(mEngineWrapper->getFileEntry(index));

                if (mEngineWrapper->settings().fileViewMode() == EFileViewModeSimple)

                {

                    listItem /*<< fileEntry.IconId()*/

                            << fileEntry.name();

                } else if (mEngineWrapper->settings().fileViewMode() == EFileViewModeExtended) {

                    QString extraData;

                    extraData.append(fileEntry.modifiedString());

                    if (fileEntry.isDir() && fileEntry.dirEntries() >= 0) {

                        extraData.append(" - ");

                        extraData.append(fileEntry.dirEntriesString());

                    } else if (!fileEntry.isDir()) {

                        extraData.append(" - ");

                        extraData.append(fileEntry.sizeString());

                    }

                    listItem /*<< fileEntry.IconId()*/

                            << fileEntry.name() << extraData << fileEntry.attributesString();

                }

            }

            return listItem;

        }

    case Qt::DecorationRole: {

            if (mEngineWrapper) {

                QIcon icon;

                if (mEngineWrapper->isDriveListViewActive()) {

                    icon = mFileIconProvider->icon(QFileIconProvider::Drive);

                } else {

                    FileEntry fileEntry(mEngineWrapper->getFileEntry(index));

                    if (fileEntry.isDir()) {

                        icon = mFileIconProvider->icon(QFileIconProvider::Folder);

                    } else {

                        icon = mFileIconProvider->icon(QFileIconProvider::File);

                    }

                }

                return QVariant(icon);

            }

        }

    }

    return QVariant();

}

/**

  \reimp

  */

QVariant FileBrowserModel::headerData(int section, Qt::Orientation orientation, int role) const

{

    Q_UNUSED(section)

    Q_UNUSED(orientation)

    Q_UNUSED(role)

    // TODO, implement or remove

    return QVariant();

}

// ---------------------------------------------------------------------------