Float selected columns to the top

appengine/swarming/ui/res/imp/common/query-column-filter-behavior.html

Index: appengine/swarming/ui/res/imp/common/query-column-filter-behavior.html
diff --git a/appengine/swarming/ui/res/imp/common/query-column-filter-behavior.html b/appengine/swarming/ui/res/imp/common/query-column-filter-behavior.html
index 5db25e09da18072b4877526939346884bc378386..cf9d4336ac9e27b74cadc367aeaf0307a5e33486 100644
--- a/appengine/swarming/ui/res/imp/common/query-column-filter-behavior.html
+++ b/appengine/swarming/ui/res/imp/common/query-column-filter-behavior.html
@@ -375,6 +375,17 @@
             arr.indexOf(this._primarySelected) === -1) {
           this.set("_primarySelected", arr[0]);
         }
+        arr.sort(function(a, b){
+          var selA = this._columnState(a);
+          var selB = this._columnState(b);
+          if (selA && !selB) {
+            return -1;
+          }
+          if (selB && !selA) {
+            return 1;
+          }
+          return swarming.naturalCompare(a, b);

[stephana, 2016/11/14 18:15:45]

is (!selA && !selB) possible ? 

[kjlubick, 2016/11/14 18:24:43]

Yes.  If both are selected or both are not selected, we sort alphabetically.

[stephana, 2016/11/15 13:16:08]

Acknowledged.

+        }.bind(this));
         return arr;
       },