File indexing completed on 2024-04-28 03:50:14

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2010 Utku Aydin <utkuaydin34@gmail.com>
 //
 
 #include "EarthquakeItem.h"
 
 #include "MarbleColors.h"
 #include "ViewportParams.h"
 
 #include <QFontMetrics>
 #include <QPainter>
 #include <QSvgRenderer>
 #include <QLocale>
 
 namespace Marble
 {
 
 // That's the font we will use to paint.
 const QFont EarthquakeItem::s_font = QFont( QStringLiteral( "Sans Serif" ), 8, QFont::Bold );
 
 EarthquakeItem::EarthquakeItem( QObject *parent )
     : AbstractDataPluginItem( parent ), m_magnitude( 0.0 ), m_depth( 0.0 )
 {
     // The size of an item without a text is 0
     setSize( QSize( 0, 0 ) );
     setCacheMode( ItemCoordinateCache );
 }
 
 EarthquakeItem::~EarthquakeItem()
 {
     // nothing to do
 }
 
 bool EarthquakeItem::initialized() const
 {
     return m_magnitude > 0.0;
 }
 
 bool EarthquakeItem::operator<( const AbstractDataPluginItem *other ) const
 {
     // Larger magnitude first
     const EarthquakeItem* item = dynamic_cast<const EarthquakeItem*>( other );
     return item ? magnitude() > item->magnitude() : false;
 }
 
 double EarthquakeItem::magnitude() const
 {
     return m_magnitude;
 }
 
 void EarthquakeItem::setMagnitude( double magnitude )
 {
     m_magnitude = magnitude;
     setSize( QSize( m_magnitude * 10, m_magnitude * 10 ) );
     updateTooltip();
 }
 
 void EarthquakeItem::paint( QPainter *painter )
 {
     // Save the old painter state.
     painter->save();
 
     // Draw the arch into the given rect.
     qreal width = magnitude() * 10;
     qreal height = magnitude() * 10;
 
     // Draws the circle with circles' center as rectangle's top-left corner.
     QRect arcRect( 0, 0, width, height );
     QColor color = Oxygen::brickRed4;
     if ( magnitude() < 5.0 ) {
         color = Oxygen::sunYellow6;
     } else if ( magnitude() < 6.0 ) {
         color = Oxygen::hotOrange4;
     }
     painter->setPen( QPen( Qt::NoPen ) );
     QBrush brush( color );
     brush.setColor( color );
     painter->setBrush( brush );
     painter->drawEllipse( arcRect );
 
     // Draws the seismograph
     QSvgRenderer renderer(QStringLiteral(":/seismograph.svg"));
     renderer.render( painter, QRectF( 0.0, 0.0, width, height ) );
 
     // Draws magnitude of the earthquake
     QFontMetrics metrics( s_font );
     const QString magnitudeText = QLocale::system().toString(m_magnitude);
     QRect magnitudeRect = metrics.boundingRect( magnitudeText );
     painter->setBrush( QBrush() );
     painter->setPen( QPen() );
     painter->setFont( s_font );
     painter->drawText( QPoint( (arcRect.width() - magnitudeRect.width()) / 2, (arcRect.height() - magnitudeRect.height()) / 2 + metrics.ascent() ), magnitudeText );
 
     // Restore the old painter state.
     painter->restore();
 }
 
 void EarthquakeItem::setDateTime( const QDateTime &dateTime )
 {
     m_dateTime = dateTime;
     updateTooltip();
 }
 
 QDateTime EarthquakeItem::dateTime() const
 {
     return m_dateTime;
 }
 
 double EarthquakeItem::depth() const
 {
     return m_depth;
 }
 
 void EarthquakeItem::setDepth( double depth )
 {
     m_depth = depth;
     updateTooltip();
 }
 
 void EarthquakeItem::updateTooltip()
 {
     QLocale locale = QLocale::system();
     QString html = QLatin1String("<table cellpadding=\"2\">");
     if ( m_dateTime.isValid() ) {
         html += QLatin1String("<tr><td align=\"right\">") + tr("Date:") + QLatin1String("</td><td>") + locale.toString(m_dateTime, QLocale::ShortFormat) + QLatin1String("</td></tr>");
     }
     html +=
         QLatin1String("<tr><td align=\"right\">") + tr("Magnitude:") + QLatin1String("</td><td>") + locale.toString(m_magnitude) + QLatin1String("</td></tr><tr><td align=\"right\">") + tr("Depth:") + QLatin1String("</td><td>") + locale.toString(m_depth) + QLatin1String(" km</td></tr></table>");
     setToolTip( html );
 }
 
 }
 
 #include "moc_EarthquakeItem.cpp"