Improve pivot table sorting

Add the cursor (asc, desc) only on the total columns.

web_graph_sort/static/src/js/web_graph_sort.js

@@ -20,9 +20,16 @@ openerp.web_graph_sort = function(instance) {
         draw_measure_row: function (measure_row) {
             var $row = $('<tr>').append('<th>');
             var self = this;
+
+            var measures = _.unique(_.map(measure_row, function(cell){return cell.text;}));
+            var measure_index = _.indexBy(self.measure_list, 'string');
+
+            var first_total_index = measure_row.length - measures.length;
+            var column_index = 0;
+
             _.each(measure_row, function (cell) {
-                _.each(self.measure_list,function(item){
-                    if(item.string === cell.text) {
+                var item = measure_index[cell.text];
+                if(item){
                     var data_id;
                     if (
                         self.pivot.sort !== null &&
@@ -44,12 +51,17 @@ openerp.web_graph_sort = function(instance) {
                     if (cell.is_bold) {
                         $cell.css('font-weight', 'bold');
                     }
-                        if (self.pivot.sort !== null && self.pivot.sort[0].indexOf(item.field) >= 0) {
-                            $cell.addClass((self.pivot.sort[0].indexOf('-') === -1) ? "sortdown":"sortup");
+
+                    if (
+                        column_index >= first_total_index &&
+                        self.pivot.sort !== null &&
+                        self.pivot.sort[0].indexOf(item.field) >= 0
+                    ) {
+                        $cell.addClass((self.pivot.sort[0].indexOf('-') === -1) ? "sortdown": "sortup");
                     }
-                        $row.append($cell);
+                    column_index += 1;
                 }
-                });
+                $row.append($cell);
             });
             this.$thead.append($row);
         },