/***************************************************************************
    copyright            : (C) 2008 by Carsten Niehaus
    email                : cniehaus@kde.org
 ***************************************************************************/
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
#include "didyouknow.h"

#include <QDebug>
#include <QPainter>
#include <QPen>

KalziumDidyouknow::KalziumDidyouknow(QObject *parent, const QVariantList &args)
    : Plasma::Applet(parent, args)
{
    m_theme.setImagePath("widgets/chalkboard");
    // init random sequence
    m_random = new KRandomSequence( QDateTime::currentDateTime().toTime_t() );

    m_engine = dataEngine("kalzium");
    m_label1 = 0;
    setHasConfigurationInterface(false);
    setAcceptDrops(false);
    setAcceptsHoverEvents(true);
//     setDrawStandardBackground(false);

    resize(512,256);
}

void KalziumDidyouknow::init()
{
    qDebug() << "initializing DidYouKnow-Applet";

    m_engine->connectSource( "Fact" , this, 1000);

    m_theme.setContainsMultipleImages(false);

    m_label1 = new QGraphicsTextItem(this);
    m_label1->setPos( m_theme.elementRect( "canvas" ).topLeft() );
    m_label1->setDefaultTextColor( Qt::white );
}

void KalziumDidyouknow::constraintsUpdated(Plasma::Constraints constraints)
{
//     setDrawStandardBackground(false);
    prepareGeometryChange();
    if (constraints & Plasma::SizeConstraint) {
         m_theme.resize(size());
    }
    
    m_label1->setPos( m_theme.elementRect( "canvas" ).topLeft() );
}

KalziumDidyouknow::~KalziumDidyouknow()
{
    delete m_random;
}

void KalziumDidyouknow::dataUpdated(const QString& source, const Plasma::DataEngine::Data &data)
{
    qDebug() << "entering dataUpdated()";
    Q_UNUSED(source);

    if (m_label1)  {
//      m_label1->setAlignment(Qt::AlignLeft);
        m_label1->setPlainText( data["fact"].toString() );
    }
}


void KalziumDidyouknow::paintInterface(QPainter *p,
                       const QStyleOptionGraphicsItem *option,
                       const QRect &contentsRect)
{
    Q_UNUSED(option);

    p->setRenderHint(QPainter::SmoothPixmapTransform);
    p->setRenderHint(QPainter::Antialiasing);

    // Now we draw the applet, starting with our svg
    m_theme.resize(size());
    m_theme.paint(p, 0, 0 );
}

#include "didyouknow.moc"
