comparison layer/TimeInstantLayer.cpp @ 316:c0b9eec70639

* 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.

 
 #include "widgets/ItemEditDialog.h"
 
 #include <QPainter>
 #include <QMouseEvent>
+#include <QTextStream>
 
 #include <iostream>
 #include <cmath>
 
 TimeInstantLayer::TimeInstantLayer() :

     impose = false;
     return ColourDatabase::getInstance()->getColourIndex
         (QString(darkbg ? "Bright Purple" : "Purple"));
 }
 
-QString
-TimeInstantLayer::toXmlString(QString indent, QString extraAttributes) const
-{
-    return SingleColourLayer::toXmlString(indent, extraAttributes +
-                                          QString(" plotStyle=\"%1\"")
-                                          .arg(m_plotStyle));
+void
+TimeInstantLayer::toXml(QTextStream &stream,
+                        QString indent, QString extraAttributes) const
+{
+    SingleColourLayer::toXml(stream, indent,
+                             extraAttributes +
+                             QString(" plotStyle=\"%1\"")
+                             .arg(m_plotStyle));
 }
 
 void
 TimeInstantLayer::setProperties(const QXmlAttributes &attributes)
 {