From: Evert Timberg <evert.timberg+github@gmail.com>
Date: Fri, 13 May 2016 23:36:32 +0000 (-0400)
Subject: Provide different default tooltip functions for horizontal bar
X-Git-Tag: v2.1.4~29^2
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=refs%2Fpull%2F2542%2Fhead;p=thirdparty%2FChart.js.git

Provide different default tooltip functions for horizontal bar
---

diff --git a/src/controllers/controller.bar.js b/src/controllers/controller.bar.js
index 4e9517119..103f26570 100644
--- a/src/controllers/controller.bar.js
+++ b/src/controllers/controller.bar.js
@@ -346,6 +346,28 @@ module.exports = function(Chart) {
 			rectangle: {
 				borderSkipped: 'left'
 			}
+		},
+		tooltips: {
+			callbacks: {
+				title: function(tooltipItems, data) {
+					// Pick first xLabel for now
+					var title = '';
+
+					if (tooltipItems.length > 0) {
+						if (tooltipItems[0].yLabel) {
+							title = tooltipItems[0].yLabel;
+						} else if (data.labels.length > 0 && tooltipItems[0].index < data.labels.length) {
+							title = data.labels[tooltipItems[0].index];
+						}
+					}
+
+					return title;
+				},
+				label: function(tooltipItem, data) {
+					var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || '';
+				return datasetLabel + ': ' + tooltipItem.xLabel;
+				}
+			}
 		}
 	};