/*

* 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:  Event view item, exact size and position of event is set in 

*  				CalenDayContainer::setItemModelIndex based on event duration

*

*/

//System includes

#include <hbframeitem.h>

#include <hbtextitem.h>

#include <agendaentry.h>

#include <hbstyle.h>

#include <hbcolorscheme.h>

//User inlcudes

#include "calendayitem.h"

#include "calendaystatusstrip.h"

#include "calendaymodel.h"

#include "calendayutils.h"

#include "calenagendautils.h"

#include "calendaycontainer.h"

/*!

   \brief Constructor.

*/

CalenDayItem::CalenDayItem(const CalenDayContainer *container):

    mContainer(container), mUpdated(false), mBg(0), mEventDesc(0), mColorStripe(0), 

    mEventDescMinWidth(0.0), mFrameMinWidth(0.0)

{

}

/*!

   \brief Constructor.

*/

CalenDayItem::CalenDayItem(const CalenDayItem & source) :

    HbAbstractViewItem(source), mContainer(source.container()), mUpdated(false), mBg(0), mEventDesc(0), 

    mColorStripe(0), mEventDescMinWidth(0.0), mFrameMinWidth(0.0)

{

    // TODO: "qtg_fr_btn_pressed" need to replaced with qtg_fr_cal_meeting_bg

	// when available

    mBg = new HbFrameItem("qtg_fr_btn_pressed", HbFrameDrawer::NinePieces, this);

    mEventDesc = new HbTextItem(this);

    // TODO: probably ElideLeft needed for mirrored layout

    mEventDesc->setElideMode(Qt::ElideRight);

    mEventDesc->setTextWrapping(Hb::TextWrapAnywhere);

    mColorStripe = new CalenDayStatusStrip(this);

    HbStyle::setItemName(mBg, QLatin1String("backgroundFrame"));

    HbStyle::setItemName(mEventDesc, QLatin1String("eventDescription"));

    HbStyle::setItemName(static_cast<QGraphicsItem *>(mColorStripe), QLatin1String("colorStripe"));

    HbDeviceProfile deviceProfile;

    HbStyle style;

    qreal horizontalSpacing = 0.0;

    qreal rightMargin = 0.0;

    style.parameter(QString("hb-param-margin-gene-middle-horizontal"), 

        horizontalSpacing, deviceProfile);

    style.parameter(QString("hb-param-margin-gene-right"), 

        rightMargin, deviceProfile); 

    qreal stripeWidth = 1.5 * deviceProfile.unitValue(); //1.5un according to UI spec

    mFrameMinWidth = 2 * horizontalSpacing + stripeWidth; //smallest width for which background frame is displayed

    mEventDescMinWidth = mFrameMinWidth + rightMargin;//smallest width for which text can be displayed

    //Minimum width is assured by widgetml and css

    //additionally called here to prevent minimum size hint caching inside effectiveSizeHint

    setMinimumWidth(stripeWidth);

}

/*!

   \brief Destructor.

*/

CalenDayItem::~CalenDayItem()

{

}

/*!

   \brief Creates new instance of day item.

   \return New instance of day item.

*/

HbAbstractViewItem * CalenDayItem::createItem()

{

    CalenDayItem* newItem = new CalenDayItem(*this);

    return newItem;

}

/*!

   \brief Sets data to be displayed on item.

*/

void CalenDayItem::updateChildItems()

{

    // there is no need to update items after creation

    if (!mUpdated) {

        AgendaEntry entry;

        entry = modelIndex().data(CalenDayEntry).value<AgendaEntry>();

		bool isAllDayEvent = CalenAgendaUtils::isAlldayEvent(entry); 

        setDescription(entry, isAllDayEvent);

        setStatusStrip(entry, isAllDayEvent);

        mUpdated = true;

    }

    //TODO: check if needed

    //repolish(); 

    //HbAbstractViewItem::updateChildItems();

}

/*!

   \brief Adds event description for the item.

   \param entry An for which description needs to be displayed.

   \param allDayEvent Flag that indicates whether an item is all day event

*/

void CalenDayItem::setDescription(const AgendaEntry &entry, bool allDayEvent)

{

	QString description(entry.summary());

	QString location(entry.location());

	int separtorPos = 0;

	if(!location.isEmpty()) {

	    if ( !description.isEmpty() ) {

	    	separtorPos = description.count();

	    	description.append(", ");

			}

		description.append(location);

		}

	if ( description.isEmpty() ) {

	    description.append(hbTrId("txt_calendar_dblist_unnamed"));

	}

	//Description of all day events has to be displayed vertically

	if(allDayEvent){

	    QString verticalString;

	    for(int i=0; i<description.count(); i++){

	        verticalString.append(QString(description.at(i)) + "\n");

	    }

	    // remove "\n" before comma separator if exist

	    if (separtorPos)

	    	{

	    	verticalString.remove( 2*separtorPos-1, 1);

	    	}

	    description = verticalString;

	}	

	mEventDesc->setText(description);

}

/*!

   \brief It set all needed things for status strip from Agenda Entry.

   \param entry Status Strip is created from Agenda Entry

*/

void CalenDayItem::setStatusStrip(const AgendaEntry &entry, bool allDayEvent)

{

    QColor color = HbColorScheme::color("qtc_cal_month_current_day");

    mColorStripe->setColor(color);

    if (!allDayEvent) {

        QDateTime startTime;

        QDateTime endTime;

        QDateTime currentDateTime;

        currentDateTime.setDate(container()->date());

        CalenDayUtils::instance()->getEventValidStartEndTime(startTime, endTime, entry,

            currentDateTime);

        mColorStripe->setStartEndTime(startTime.time(), endTime.time());

    }

    else {

        // This is workaround for displaying all-day events.

        // Now for MS Outlook compability all-day events' start and end time is

        // 00:00:00 and 00:00:00 next day respectively.

        // To draw it correctly we need times like those visible for user in

        // editor: 00:00:00 to 23:59:59 (the same day)

        mColorStripe->setStartEndTime(entry.startTime().time(), entry.endTime().time().addSecs(-1));

    }

    switch (entry.status()) {

        case AgendaEntry::Confirmed:

            mColorStripe->setDrawingStyle(CalenDayStatusStrip::Filled);

        break;

        case AgendaEntry::Tentative:

            mColorStripe->setDrawingStyle(CalenDayStatusStrip::StripWithLines);

        break;

        case AgendaEntry::Cancelled:

            mColorStripe->setDrawingStyle(CalenDayStatusStrip::OnlyFrame);

        break;

        default:

            mColorStripe->setDrawingStyle(CalenDayStatusStrip::Filled);

        break;

    }

}

/*!

   \brief Reimplemented from HbWidget. Handles resize event.

   \param event Instance of an event to be handled.

*/

void CalenDayItem::resizeEvent(QGraphicsSceneResizeEvent *event)

{

    Q_UNUSED(event)

    qreal width = rect().width();

    if(width < mEventDescMinWidth){

        mEventDesc->hide();

    } else{

        mEventDesc->show();

    }

    if(width < mFrameMinWidth){

        mBg->hide();

    } else{

        mBg->show();

    }

    //Necessary to switch layout

    repolish();

}

// End of File