--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesCurveGenerator.java	Wed Oct 19 16:04:40 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/WDifferencesCurveGenerator.java	Wed Oct 19 16:06:01 2011 +0000
@@ -2,6 +2,8 @@
 
 import org.apache.log4j.Logger;
 
+import org.jfree.chart.title.TextTitle;
+
 import org.jfree.chart.JFreeChart;
 import org.jfree.chart.plot.XYPlot;
 import org.jfree.data.xy.XYSeries;
@@ -74,6 +76,7 @@
     }
 
 
+
     /**
      * Gets key to look up internationalized String for the charts subtitle.
      * @return key to look up translated subtitle.
@@ -190,6 +193,24 @@
         }
     }
 
+    /**
+     * Add (internationalized) subtitle to chart.
+     * Overridden to avoid trying to access the range of masterartifact.
+     * @see getChartSubtitleKey
+     */
+    @Override
+    protected void addSubtitles(JFreeChart chart) {
+
+        // TODO i18n
+        /*
+        Object[] args = new Object[] {
+            getRiverName()
+        };
+        */
+        String subtitle = getRiverName();
+        chart.addSubtitle(new TextTitle(subtitle));
+    }
+
 
     /**
      * Add items to dataseries which describes the differences.