[Marble-commits] KDE/kdeedu/marble/src/plugins/render/earthquake

[Dennis Nienhüser]

SVN commit 1209222 by nienhueser:

Use three different colors to indicate magnitude ranges instead of a gradient. This is easier to distinguish. Show some information (magnitude, depth, date) in a tooltip.

 M  +48 -10    EarthquakeItem.cpp  
 M  +15 -0     EarthquakeItem.h  
 M  +6 -0      EarthquakeModel.cpp  


--- trunk/KDE/kdeedu/marble/src/plugins/render/earthquake/EarthquakeItem.cpp #1209221:1209222
@@ -23,10 +23,11 @@
 QFont EarthquakeItem::s_font = QFont( "Sans Serif", 8 );
 
 EarthquakeItem::EarthquakeItem( QObject *parent )
-    : AbstractDataPluginItem( parent ), m_magnitude( 0.0 )
+    : AbstractDataPluginItem( parent ), m_magnitude( 0.0 ), m_depth( 0.0 )
 {
     // The size of an item without a text is 0
     setSize( QSize( 0, 0 ) );
+    s_font.setBold( true );
 }
 
 EarthquakeItem::~EarthquakeItem()
@@ -60,6 +61,8 @@
 void EarthquakeItem::setMagnitude( double magnitude )
 {
     m_magnitude = magnitude;
+    setSize( QSize( m_magnitude * 10, m_magnitude * 10 ) );
+    updateTooltip();
 }
 
 void EarthquakeItem::paint( GeoPainter *painter, ViewportParams *viewport,
@@ -79,16 +82,15 @@
 
     // Draws the circle with circles' center as rectangle's top-left corner.
     QRect arcRect( width / -2, height / -2, width, height );
-    QRadialGradient gradient( 0, 0, width / 2 );
-    QColor outerRed = oxygenBrickRed4;
-    outerRed.setAlpha( 200 );
-    gradient.setColorAt( 0.0, outerRed );
-    QColor innerRed = oxygenBrickRed4;
-    innerRed.setAlpha( 100 );
-    gradient.setColorAt( 1.0, innerRed );
+    QColor color = oxygenBrickRed4;
+    if ( magnitude() < 5.0 ) {
+        color = oxygenSunYellow6;
+    } else if ( magnitude() < 6.0 ) {
+        color = oxygenHotOrange4;
+    }
     painter->setPen( QPen( Qt::NoPen ) );
-    QBrush brush( gradient );
-    brush.setColor( oxygenBrickRed4 );
+    QBrush brush( color );
+    brush.setColor( color );
     painter->setBrush( brush );
     painter->drawEllipse( arcRect );
 
@@ -108,12 +110,48 @@
     QRect magnitudeRect = metrics.boundingRect( magnitudeText );
     painter->setBrush( QBrush() );
     painter->setPen( QPen() );
+    painter->setFont( s_font );
     painter->drawText( QPoint( magnitudeRect.width() / -2, magnitudeRect.height() / 2 ), 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()
+{
+    QString html = "<table cellpadding=\"2\">";
+    if ( m_dateTime.isValid() ) {
+        html += "<tr><td align=\"right\">Date</td>";
+        html += "<td>" + m_dateTime.toString( Qt::SystemLocaleShortDate ) + "</td></tr>";
+    }
+    html += "<tr><td align=\"right\">Magnitude</td><td>" + QString::number( m_magnitude ) + "</td></tr>";
+    html += "<tr><td align=\"right\">Depth</td><td>" + QString::number( m_depth ) + " km</td></tr>";
+    html += "</table>";
+    setToolTip( html );
+}
+
+}
+
 #include "EarthquakeItem.moc"
--- trunk/KDE/kdeedu/marble/src/plugins/render/earthquake/EarthquakeItem.h #1209221:1209222
@@ -48,9 +48,24 @@
 
     void setMagnitude( double magnitude );
 
+    void setDateTime( const QDateTime &dateTime );
+
+    QDateTime dateTime() const;
+
+    /** Earthquake's depth in km */
+    double depth() const;
+
+    void setDepth( double depth );
+
 private:
+    void updateTooltip();
+
     double m_magnitude;
 
+    double m_depth;
+
+    QDateTime m_dateTime;
+
     static QFont s_font;
 
     QPixmap m_seismograph;
--- trunk/KDE/kdeedu/marble/src/plugins/render/earthquake/EarthquakeModel.cpp #1209221:1209222
@@ -73,6 +73,9 @@
             double longitude = iterator.value().property( "lng" ).toNumber();
             double latitude = iterator.value().property( "lat" ).toNumber();
             double magnitude = iterator.value().property( "magnitude" ).toNumber();
+            QString data = iterator.value().property( "datetime" ).toString();
+            QDateTime date = QDateTime::fromString( data, "yyyy-MM-dd hh:mm:ss" );
+            double depth = iterator.value().property( "depth" ).toNumber();
 
             if( !itemExists( eqid ) ) {
                 // If it does not exists, create it
@@ -82,6 +85,9 @@
                 item->setCoordinate( coordinates );
                 item->setTarget( "earth" );
                 item->setMagnitude( magnitude );
+                item->setDateTime( date );
+                item->setDepth( depth );
+
                 addItemToList( item );
             }
         }