fix #3038 - fill 'text' during barpolar hover

Author: etpinard

src/traces/barpolar/hover.js

@@ -11,6 +11,7 @@
 var Fx = require('../../components/fx');
 var Lib = require('../../lib');
 var getTraceColor = require('../bar/hover').getTraceColor;
+var fillHoverText = require('../scatter/fill_hover_text');
 var makeHoverPointText = require('../scatterpolar/hover').makeHoverPointText;
 var isPtInsidePolygon = require('../../plots/polar/helpers').isPtInsidePolygon;
 
@@ -58,7 +59,8 @@ module.exports = function hoverPoints(pointData, xval, yval) {
     pointData.y0 = pointData.y1 = cdi.ct[1];
 
     var _cdi = Lib.extendFlat({}, cdi, {r: cdi.s, theta: cdi.p});
-    pointData.extraText = makeHoverPointText(_cdi, trace, subplot);
+    fillHoverText(cdi, trace, pointData);
+    makeHoverPointText(_cdi, trace, subplot, pointData);
     pointData.color = getTraceColor(trace, cdi);
     pointData.xLabelVal = pointData.yLabelVal = undefined;
 

test/jasmine/tests/barpolar_test.js

@@ -115,6 +115,38 @@ describe('Test barpolar hover:', function() {
             extraText: 'r: 1<br>θ: 0°',
             color: '#1f77b4'
         }
+    }, {
+        desc: 'with custom text scalar',
+        traces: [{
+            r: [1, 2, 3],
+            theta: [0, 90, 180],
+            text: 'TEXT'
+        }],
+        xval: 1,
+        yval: 0,
+        exp: {
+            index: 0,
+            x: 263.33,
+            y: 200,
+            extraText: 'r: 1<br>θ: 0°<br>TEXT',
+            color: '#1f77b4'
+        }
+    }, {
+        desc: 'with custom text array',
+        traces: [{
+            r: [1, 2, 3],
+            theta: [0, 90, 180],
+            text: ['A', 'B', 'C']
+        }],
+        xval: 1,
+        yval: 0,
+        exp: {
+            index: 0,
+            x: 263.33,
+            y: 200,
+            extraText: 'r: 1<br>θ: 0°<br>A',
+            color: '#1f77b4'
+        }
     }, {
         desc: 'works with bars with offsets',
         traces: [{