From b8e57144ccfd6bcdf315cec61635b61efcd32d30 Mon Sep 17 00:00:00 2001
From: etimberg <evert.timberg@gmail.com>
Date: Fri, 30 Oct 2015 20:48:31 -0400
Subject: [PATCH] Doughnut chart tooltips work

---
 src/controllers/controller.doughnut.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/controllers/controller.doughnut.js b/src/controllers/controller.doughnut.js
index 1188a7c2b..7e724d15c 100644
--- a/src/controllers/controller.doughnut.js
+++ b/src/controllers/controller.doughnut.js
@@ -18,6 +18,16 @@
 		},
 		//The percentage of the chart that we cut out of the middle.
 		cutoutPercentage: 50,
+
+		// Need to override these to give a nice default
+		tooltips: {
+			callbacks: {
+				title: function() { return '' },
+				label: function(tooltipItem, data) {
+					return data.labels[tooltipItem.index] + ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
+				}
+			}
+		}
 	};
 
 	Chart.defaults.pie = helpers.clone(Chart.defaults.doughnut);