Added zindex per series override option, #425

src/app/components/timeSeries.js

@@ -9,6 +9,7 @@ function (_, kbn) {
     this.datapoints = opts.datapoints;
     this.info = opts.info;
     this.label = opts.info.alias;
+    this.zindex = 0;
   }
 
   function matchSeriesOverride(aliasOrRegex, seriesAlias) {
@@ -45,6 +46,7 @@ function (_, kbn) {
       if (override.linewidth !== void 0) { this.lines.lineWidth = override.linewidth; }
       if (override.pointradius !== void 0) { this.points.radius = override.pointradius; }
       if (override.steppedLine !== void 0) { this.lines.steps = override.steppedLine; }
+      if (override.zindex !== void 0) { this.zindex = override.zindex; }
       if (override.yaxis !== void 0) {
         this.info.yaxis = override.yaxis;
       }

src/app/directives/grafanaGraph.js

@@ -168,6 +168,8 @@ function (angular, $, kbn, moment, _) {
           addAnnotations(options);
           configureAxisOptions(data, options);
 
+          data = _.sortBy(data, function(series) { return series.zindex; });
+
           // if legend is to the right delay plot draw a few milliseconds
           // so the legend width calculation can be done
           if (shouldDelayDraw(panel)) {

src/app/panels/graph/seriesOverridesCtrl.js

@@ -66,6 +66,7 @@ define([
     $scope.addOverrideOption('Points Radius', 'pointradius', [1,2,3,4,5]);
     $scope.addOverrideOption('Stack', 'stack', [true, false]);
     $scope.addOverrideOption('Y-axis', 'yaxis', [1, 2]);
+    $scope.addOverrideOption('Z-index', 'zindex', [-1,-2,-3,0,1,2,3]);
     $scope.updateCurrentOverrides();
 
   });

src/test/specs/grafanaGraph-specs.js

@@ -71,7 +71,6 @@ define([
         expect(ctx.plotOptions.series.lines.lineWidth).to.be(3);
         expect(ctx.plotOptions.series.lines.steps).to.be(true);
       });
-
     });
 
     graphScenario('series option overrides, fill & points', function(ctx) {
@@ -92,6 +91,17 @@ define([
       });
     });
 
+    graphScenario('should order series order according to zindex', function(ctx) {
+      ctx.setup(function(scope, data) {
+        data[0].zindex = 2;
+      });
+
+      it('should move zindex 2 last', function() {
+        expect(ctx.plotData[0].info.alias).to.be('series2');
+        expect(ctx.plotData[1].info.alias).to.be('series1');
+      });
+    });
+
   });
 });
 

src/test/specs/timeSeries-specs.js

@@ -93,14 +93,18 @@ define([
         });
       });
 
-      describe('override series y-axis', function() {
+      describe('override series y-axis, and z-index', function() {
         beforeEach(function() {
           series.info.alias = 'test';
-          series.applySeriesOverrides([{ alias: 'test', yaxis: 2 }]);
+          series.applySeriesOverrides([{ alias: 'test', yaxis: 2, zindex: 2 }]);
         });
 
         it('should set yaxis', function() {
           expect(series.info.yaxis).to.be(2);
+
+        });
+        it('should set zindex', function() {
+          expect(series.zindex).to.be(2);
         });
       });