[Marble-commits] KDE/kdeedu/marble/src/lib/geodata/scene

[Jens-Michael Hoffmann]

SVN commit 1113344 by jmhoffmann:

GeoSceneGroup: add const variant of method property.

 M  +9 -1      GeoSceneGroup.cpp  
 M  +2 -1      GeoSceneGroup.h  


--- trunk/KDE/kdeedu/marble/src/lib/geodata/scene/GeoSceneGroup.cpp #1113343:1113344
@@ -111,7 +111,7 @@
     }
 }
 
-GeoSceneProperty* GeoSceneGroup::property( const QString& name )
+const GeoSceneProperty* GeoSceneGroup::property( const QString& name ) const
 {
     GeoSceneProperty* property = 0;
 
@@ -127,6 +127,14 @@
     return property;
 }
 
+// implement non-const method by means of const method,
+// for details, see "Effective C++" (third edition)
+GeoSceneProperty* GeoSceneGroup::property( const QString& name )
+{
+    return const_cast<GeoSceneProperty*>
+        ( static_cast<GeoSceneGroup const *>( this )->property( name ));
+}
+
 QVector<GeoSceneProperty*> GeoSceneGroup::properties() const
 {
     return m_properties;
--- trunk/KDE/kdeedu/marble/src/lib/geodata/scene/GeoSceneGroup.h #1113343:1113344
@@ -78,7 +78,8 @@
      * @param  property  the new property
      */
     void addProperty(GeoSceneProperty*);
-    GeoSceneProperty* property(const QString&);
+    const GeoSceneProperty* property( const QString& name ) const;
+    GeoSceneProperty* property( const QString& name );
     QVector<GeoSceneProperty*> properties() const;
 
     QString name() const;