From: Evert Timberg <evert.timberg+github@gmail.com>
Date: Sat, 17 Sep 2016 15:06:26 +0000 (+0200)
Subject: In the doughnut chart, specifically handle multiline strings.
X-Git-Tag: v2.4.0~1^2~43^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c3d7a3328d759fd55cf044205b88c0e8fbc488d7;p=thirdparty%2FChart.js.git

In the doughnut chart, specifically handle multiline strings.
---

diff --git a/src/controllers/controller.doughnut.js b/src/controllers/controller.doughnut.js
index e0f378dae..3dcd33e9f 100644
--- a/src/controllers/controller.doughnut.js
+++ b/src/controllers/controller.doughnut.js
@@ -102,7 +102,19 @@ module.exports = function(Chart) {
 					return '';
 				},
 				label: function(tooltipItem, data) {
-					return data.labels[tooltipItem.index] + ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
+					var dataLabel = data.labels[tooltipItem.index];
+					var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
+
+					if (helpers.isArray(dataLabel)) {
+						// show value on first line of multiline label
+						// need to clone because we are changing the value
+						dataLabel = dataLabel.slice();
+						dataLabel[0] += value;
+					} else {
+						dataLabel += value;
+					}
+
+					return dataLabel;
 				}
 			}
 		}