fix(singletat): Support repeated template variables in prefix/postfix, fixes grafana#6595

Author: torkelo

CHANGELOG.md

@@ -6,6 +6,9 @@
 * **UI/Browser**: Fixed issue with page/view header gradient border not showing in Safari, [#6530](https://github.com/grafana/grafana/issues/6530)
 * **UX**: Panel Drop zone visible after duplicating panel, and when entering fullscreen/edit view, [#6598](https://github.com/grafana/grafana/issues/6598)
 
+### Enhancements
+* **Singlestat**: Support repeated template variables in prefix/postfix [#6595](https://github.com/grafana/grafana/issues/6595)
+
 # 4.0-beta1 (2016-11-09)
 
 ### Enhancements

public/app/features/dashboard/dynamic_dashboard_srv.ts

@@ -64,6 +64,8 @@ export class DynamicDashboardSrv {
           j = j - 1;
         }
       }
+
+      row.panelSpanChanged();
     }
   }
 

public/app/plugins/panel/singlestat/module.ts

@@ -208,11 +208,8 @@ class SingleStatCtrl extends MetricsPanelCtrl {
       }
 
       // Add $__name variable for using in prefix or postfix
-      data.scopedVars = {
-        __name: {
-          value: this.series[0].label
-        }
-      };
+      data.scopedVars = _.extend({}, this.panel.scopedVars);
+      data.scopedVars["__name"] = {value: this.series[0].label};
     }
 
     // check value to text mappings if its enabled
@@ -526,7 +523,7 @@ class SingleStatCtrl extends MetricsPanelCtrl {
       elem.toggleClass('pointer', panel.links.length > 0);
 
       if (panel.links.length > 0) {
-        linkInfo = linkSrv.getPanelLinkAnchorInfo(panel.links[0], panel.scopedVars);
+        linkInfo = linkSrv.getPanelLinkAnchorInfo(panel.links[0], data.scopedVars);
       } else {
         linkInfo = null;
       }