/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbindicatorleveliconitem_p.h"

#include <QPainter>

HbIndicatorLevelIconItem::HbIndicatorLevelIconItem(QGraphicsItem *parent) :

    HbIconItem(parent),

    mValue(0),

    mIndicatorDirection(LeftToRight)

{

}

void HbIndicatorLevelIconItem::setValue(int val)

{

    mValue = val;

}

void HbIndicatorLevelIconItem::setDirection(IndicatorDirection direction)

{

    mIndicatorDirection = direction;

}

void HbIndicatorLevelIconItem::paint(QPainter *painter,

                                     const QStyleOptionGraphicsItem *option,

                                     QWidget *widget)

{

    Q_UNUSED(widget);

    QRectF iconRect(boundingRect());

    // we save (& restore) the painter state here, so that we can enable the 

    // QGraphicsView::DontSavePainterState flag by default in the Orbit project

    painter->save();

    // solve clipping rect according to level value

    qreal clipWidth = iconRect.width();

    if (mValue >= 0 && mValue <= 100) {

        clipWidth = ((qreal)mValue / 100) * clipWidth;

    }

    if ((mIndicatorDirection == LeftToRight && layoutDirection() == Qt::LeftToRight) || 

         (mIndicatorDirection == RightToLeft && layoutDirection() == Qt::RightToLeft)) {

        QRectF clipRect(iconRect.left(), iconRect.top(),

                        clipWidth, iconRect.height());

        painter->setClipRect(clipRect);

    } else { // RightToLeft

        QRectF clipRect(iconRect.right() - clipWidth, iconRect.top(),

                        clipWidth, iconRect.height());

        painter->setClipRect(clipRect);

    }

    HbIconItem::paint(painter, option);

    painter->restore();

}