/*

* 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.h>

#include <hbstyle.h>

#include <hbcolorscheme.h>

#include <hbfontspec.h>

#include <hbextendedlocale.h>

//User includes

#include "calendayhourelement.h"

#include "calendaycontainer.h"

#include "calendayhourscrollarea.h"

// Constants

/*!

 \brief CalenDayHourElement()

 Constructor

*/

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();

    mHourLineColor = HbColorScheme::color("qtc_cal_day_hour_lines");

    //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);

    //prepend 0 if needed to achieve format - 01:00

    QString timeString = timeTextList[0];

    if (timeString.length() < 5) {

        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"));

    mContainer = static_cast<CalenDayHourScrollArea*> (parent);

}

/*!

 \brief CalenDayHourElement()

 Destructor

*/

CalenDayHourElement::~CalenDayHourElement()

{

}

/*!

 \brief CalenDayHourElement()

 paint

*/

void CalenDayHourElement::paint(

    QPainter * painter,

    const QStyleOptionGraphicsItem * option,

    QWidget * widget)

{

    Q_UNUSED(widget);

    QRectF drawArea = option->rect;

    const qreal hourLineThickness = 0.15; //un (according to UI spec)

    const qreal timeLineThickness = 0.75; //un (according to UI spec)

    painter->save();

    //Draw full hour line

    QPen linePen = QPen(mHourLineColor, hourLineThickness * 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("qtc_cal_month_current_day");

            painter->setPen(QPen(color, timeLineThickness * mUnitInPixels, Qt::SolidLine,

                Qt::FlatCap));

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

                + currentTimeY);

            painter->drawLine(currentTimeline);

        }

    }

    painter->restore();

}

// End of File