rangeslider: inherit 'bgcolor' from 'plot_bgcolor'

Author: etpinard

src/components/rangeslider/defaults.js

@@ -27,7 +27,7 @@ module.exports = function handleDefaults(layoutIn, layoutOut, axName, counterAxe
         return Lib.coerce(containerIn, containerOut, attributes, attr, dflt);
     }
 
-    coerce('bgcolor');
+    coerce('bgcolor', layoutOut.plot_bgcolor);
     coerce('bordercolor');
     coerce('borderwidth');
     coerce('thickness');

test/jasmine/tests/range_slider_test.js

@@ -513,6 +513,26 @@ describe('the range slider', function() {
 
             expect(layoutOut).toEqual(expected);
         });
+
+        it('should default \'bgcolor\' to layout \'plot_bgcolor\'', function() {
+            var layoutIn = {
+                xaxis: { rangeslider: true },
+                yaxis: {},
+            };
+
+            var layoutOut = {
+                xaxis: { range: [2, 40]},
+                yaxis: {},
+                plot_bgcolor: 'blue'
+            };
+
+            var axName = 'xaxis',
+                counterAxes = ['yaxis'];
+
+            RangeSlider.handleDefaults(layoutIn, layoutOut, axName, counterAxes);
+
+            expect(layoutOut.xaxis.rangeslider.bgcolor).toEqual('blue');
+        });
     });
 
     describe('in general', function() {