Fix bubble chart tooltip callback to use correct labels (#3421)

Fix bubble chart tooltip callback to use correct label parsed from scales. Fixes #3029

diff --git a/src/controllers/controller.bubble.js b/src/controllers/controller.bubble.js
index b1c6474e0ccd873abe7e60a7b08a0fec83bf93ea..abe807b3bb2b90b7e22c0d05bdec0ab560203760 100644 (file)
--- a/src/controllers/controller.bubble.js
+++ b/src/controllers/controller.bubble.js
@@ -31,7 +31,7 @@ module.exports = function(Chart) {
                                label: function(tooltipItem, data) {
                                        var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || '';
                                        var dataPoint = data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
-                                       return datasetLabel + ': (' + dataPoint.x + ', ' + dataPoint.y + ', ' + dataPoint.r + ')';
+                                       return datasetLabel + ': (' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ', ' + dataPoint.r + ')';
                                }
                        }
                }