Add legend name for polynomial and moving average trendlines.

Change-Id: I111c82c66f1ee29dae50470fc08bb66c79da0652

chart2/source/controller/dialogs/Strings_Statistic.src

@@ -57,6 +57,14 @@ String STR_REGRESSION_POWER
 {
     Text [ en-US ] = "Power (%SERIESNAME)" ;
 };
+String STR_REGRESSION_POLYNOMIAL
+{
+    Text [ en-US ] = "Polynomial (%SERIESNAME)" ;
+};
+String STR_REGRESSION_MOVING_AVERAGE
+{
+    Text [ en-US ] = "Moving average (%SERIESNAME)" ;
+};
 
 String STR_REGRESSION_MEAN
 {

chart2/source/tools/RegressionCurveHelper.cxx

@@ -593,7 +593,7 @@ OUString RegressionCurveHelper::getUINameForRegressionCurve( const Reference< XR
 {
     OUString aResult;
     Reference< lang::XServiceName > xServiceName( xRegressionCurve, uno::UNO_QUERY );
-    if( ! xServiceName.is())
+    if(!xServiceName.is())
         return aResult;
 
     OUString aServiceName( xServiceName->getServiceName());
@@ -629,20 +629,19 @@ OUString RegressionCurveHelper::getUINameForRegressionCurve( const Reference< XR
     return aResult;
 }
 
-::std::vector< Reference< chart2::XRegressionCurve > >
+std::vector< Reference< chart2::XRegressionCurve > >
     RegressionCurveHelper::getAllRegressionCurvesNotMeanValueLine(
         const Reference< chart2::XDiagram > & xDiagram )
 {
-    ::std::vector< Reference< chart2::XRegressionCurve > > aResult;
-    ::std::vector< Reference< chart2::XDataSeries > > aSeries( DiagramHelper::getDataSeriesFromDiagram( xDiagram ));
-    for( ::std::vector< Reference< chart2::XDataSeries > >::iterator aIt( aSeries.begin());
+    std::vector< Reference< chart2::XRegressionCurve > > aResult;
+    std::vector< Reference< chart2::XDataSeries > > aSeries( DiagramHelper::getDataSeriesFromDiagram( xDiagram ));
+    for( std::vector< Reference< chart2::XDataSeries > >::iterator aIt( aSeries.begin());
          aIt != aSeries.end(); ++aIt )
     {
-        Reference< chart2::XRegressionCurveContainer > xCurveCnt( *aIt, uno::UNO_QUERY );
-        if( xCurveCnt.is())
+        Reference< chart2::XRegressionCurveContainer > xContainer( *aIt, uno::UNO_QUERY );
+        if(xContainer.is())
         {
-            uno::Sequence< uno::Reference< chart2::XRegressionCurve > > aCurves(
-                xCurveCnt->getRegressionCurves());
+            uno::Sequence< uno::Reference< chart2::XRegressionCurve > > aCurves(xContainer->getRegressionCurves());
             for( sal_Int32 i = 0; i < aCurves.getLength(); ++i )
             {
                 if( ! isMeanValueLine( aCurves[i] ))