reverse items after getting group title

Author: archmoj

src/components/legend/get_legend_data.js

@@ -117,12 +117,11 @@ module.exports = function getLegendData(calcdata, opts) {
         // sort considering trace.legendrank and legend.traceorder
         legendData[i].forEach(function(a, k) { a._preSort = k; });
         legendData[i].sort(orderFn2);
-        if(reversed) legendData[i].reverse();
 
         var firstItem = legendData[i][0];
 
         var groupTitle = null;
-        // set group title text
+        // get group title text
         for(j = 0; j < legendData[i].length; j++) {
             var gt = legendData[i][j].trace.legendgrouptitle;
             if(gt && gt.text) {
@@ -131,7 +130,11 @@ module.exports = function getLegendData(calcdata, opts) {
             }
         }
 
+        // reverse order
+        if(reversed) legendData[i].reverse();
+
         if(groupTitle) {
+            // set group title text
             legendData[i].unshift({
                 i: -1,
                 groupTitle: groupTitle,