comparison data/model/SparseOneDimensionalModel.h @ 314:70a232b1f12a

* Make XmlExportable::toXml the function that is universally overridden (and
  pure virtual) instead of toXmlString.  Tidies up some classes, notably the
  model classes, significantly.  Closes #1794561.

     int getDimensions() const { return 1; }
     
     long frame;
     QString label;
     
-    QString toXmlString(QString indent = "",
-			QString extraAttributes = "") const
+    void toXml(QTextStream &stream,
+               QString indent = "",
+               QString extraAttributes = "") const
     {
-	return QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
+        stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
 	    .arg(indent).arg(frame).arg(label).arg(extraAttributes);
     }
 
     QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
     {