/*

 * 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:  Day view control of calendar

 *

 */

// System includes

#include <QGraphicsLinearLayout>

#include <QPainter>

#include <HbTextItem>

#include <HbStyle>

#include <HbColorScheme>

#include <HbFontSpec>

#include <HbExtendedLocale>

// User includes

#include "calendayhourelement.h"

#include "calendaycontainer.h"

#include "calendayhourscrollarea.h"

// Constants

/*!

 \brief Time format is: [0-9][0-9]:[0-9][0-9]

 */

const int KCalenTimeFormatLength = 5;

/*!

 \class CalenDayHourElement

 \brief Hour element widget for Calendar's Day View

 */

/*!

 \brief Constructor

 \param time Time assigned to widget

 \param parent Widget's parent

 */

CalenDayHourElement::CalenDayHourElement(

    const QTime &time,

    QGraphicsItem *parent) :

    HbWidget(parent), mHour(time)

{

    // Necessary when widget implements own paint method

    setFlag(QGraphicsItem::ItemHasNoContents, false);

    HbDeviceProfile deviceProfile;

    mUnitInPixels = deviceProfile.unitValue();

    // Initialize hour line color

    mHourLineColor = HbColorScheme::color(KCalenHourLineColor);

    // Create text items

    HbExtendedLocale systemLocale = HbExtendedLocale::system();

    // Get current time format and (if there's a need) separate time from am/pm text

    QChar timeSeparator = ' ';

    QStringList timeTextList = systemLocale.format(time,

        r_qtn_time_usual_with_zero).split(timeSeparator);

    // If needed, prepend '0' to get proper time format: [0-9][0-9]:[0-9][0-9]

    QString timeString = timeTextList[0];

    if (timeString.length() < KCalenTimeFormatLength) {

        timeString.prepend('0');

    }

    QString ampmString = "";

    if (timeTextList.count() > 1) {

        ampmString = timeTextList[1].toLower();

    }

    HbTextItem* timeTextItem = new HbTextItem(timeString, this);

    HbTextItem* ampmTextItem = new HbTextItem(ampmString, this);

    HbStyle::setItemName(timeTextItem, QLatin1String("time"));

    HbStyle::setItemName(ampmTextItem, QLatin1String("ampm"));

    // Parent container is needed to update widget's time

    mContainer = static_cast<CalenDayHourScrollArea*> (parent);

}

/*!

 \brief Destructor

 */

CalenDayHourElement::~CalenDayHourElement()

{

}

/*!

 \brief Customized paint() function

 \param painter Painter

 \param option Style option

 \param widget

 */

void CalenDayHourElement::paint(

    QPainter *painter,

    const QStyleOptionGraphicsItem *option,

    QWidget *widget)

{

    Q_UNUSED(widget);

    painter->save();

    QRectF drawArea = option->rect;

    // Draw full hour line

    QPen linePen = QPen(mHourLineColor, KCalenHourLineThickness * mUnitInPixels);

    painter->setPen(linePen);

    QLineF fullHourLine(drawArea.bottomLeft(), drawArea.bottomRight());

    painter->drawLine(fullHourLine);

    // Draw extra line on top for midnight

    if (mHour.hour() == 0) {

        fullHourLine = QLineF(drawArea.topLeft(), drawArea.topRight());

        painter->drawLine(fullHourLine);

    }

    QDateTime currentDateTime = QDateTime::currentDateTime();

    // Draw the time line in theme color

    if (mContainer) {

        QDateTime containersDateTime = mContainer->dateTime();

        if (currentDateTime.date() == containersDateTime.date()

            && currentDateTime.time().hour() == mHour.hour()) {

            qreal currentTimeY = drawArea.height()

                * currentDateTime.time().minute() / 60;

            QColor color = HbColorScheme::color(KCalenTimeLineColor);

            QLineF currentTimeline(drawArea.left(), drawArea.top() + currentTimeY,

                    drawArea.right(), drawArea.top() + currentTimeY);

            painter->drawLine(currentTimeline);

        }

    }

    painter->restore();

}

/*!

 \brief Sets time for hour element.

 \param time Time to be set for hour element

 */

void CalenDayHourElement::setTime(const QTime &time)

{

    mHour = time;

}

/*!

 \brief Returns time of hour element.

 \return Time of hour element

 */

QTime CalenDayHourElement::time() const

{

    return mHour;

}

// End of File