From 59fb1696a8d9bad49bc987a77811f8357cac674d Mon Sep 17 00:00:00 2001
From: Evert Timberg <evert.timberg@gmail.com>
Date: Fri, 4 Dec 2015 20:01:04 -0500
Subject: [PATCH] Highlight correct items when hover mode is set to 'dataset'

---
 samples/line.html           |  2 +-
 src/core/core.controller.js | 19 +++++--------------
 2 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/samples/line.html b/samples/line.html
index 0647173b4..00c0f499f 100644
--- a/samples/line.html
+++ b/samples/line.html
@@ -88,7 +88,7 @@
                     }
                 },
                 hover: {
-                    mode: 'label'
+                    mode: 'dataset'
                 },
                 scales: {
                     xAxes: [{
diff --git a/src/core/core.controller.js b/src/core/core.controller.js
index 536f122ad..0edea25c6 100644
--- a/src/core/core.controller.js
+++ b/src/core/core.controller.js
@@ -331,22 +331,13 @@
 		},
 
 		getDatasetAtEvent: function(e) {
-			var eventPosition = helpers.getRelativePosition(e, this.chart);
-			var elementsArray = [];
+			var elementsArray = this.getElementAtEvent(e);
 
-			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
-				if (helpers.isDatasetVisible(dataset)) {
-					helpers.each(dataset.metaData, function(element, elementIndex) {
-						if (element.inLabelRange(eventPosition.x, eventPosition.y)) {
-							helpers.each(dataset.metaData, function(element, index) {
-								elementsArray.push(element);
-							}, this);
-						}
-					}, this);
-				}
-			}, this);
+			if (elementsArray.length > 0) {
+				elementsArray = this.data.datasets[elementsArray[0]._datasetIndex].metaData;
+			}
 
-			return elementsArray.length ? elementsArray : [];
+			return elementsArray;
 		},
 
 		generateLegend: function generateLegend() {
-- 
2.47.2