Set select2 options via object

rd_ui/app/scripts/visualizations/base.js

@@ -68,6 +68,9 @@
       template: '<filters></filters>\n' + Visualization.renderVisualizationsTemplate,
       replace: false,
       link: function (scope) {
+        scope.select2Options = {
+          width: '50%'
+        }
         scope.$watch('queryResult && queryResult.getFilters()', function (filters) {
           if (filters) {
             scope.filters = filters;

rd_ui/app/views/visualizations/filters.html

@@ -1,7 +1,7 @@
 <div class="well well-sm" ng-show="filters">
     <div ng-repeat="filter in filters">
         {{filter.friendlyName}}:
-        <select ui-select2='{width:"50%"}' ng-model="filter.current" ng-multiple="{{filter.multiple}}">
+        <select ui-select2='select2Options' ng-model="filter.current" ng-multiple="{{filter.multiple}}">
             <option ng-repeat="value in filter.values" value="{{value}}">{{value}}</option>
         </select>
     </div>