From 0a13b7c559d778dc8e7ef9e6e917537f6750d4d1 Mon Sep 17 00:00:00 2001
From: Mitsuhiro Tanda <mitsuhiro.tanda@gmail.com>
Date: Tue, 29 Mar 2016 14:45:25 +0900
Subject: [PATCH] highlight series name in tooltip when shared tooltip active

---
 public/app/plugins/panel/graph/graph_tooltip.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/panel/graph/graph_tooltip.js b/public/app/plugins/panel/graph/graph_tooltip.js
index 3e2900be4e9..afb473723ae 100644
--- a/public/app/plugins/panel/graph/graph_tooltip.js
+++ b/public/app/plugins/panel/graph/graph_tooltip.js
@@ -142,11 +142,16 @@ function ($) {
             continue;
           }
 
+          var highlightStyle = '';
+          if (item && i === item.seriesIndex) {
+            highlightStyle = ' style="font-weight: bold;"';
+          }
+
           series = seriesList[i];
 
           value = series.formatValue(hoverInfo.value);
 
-          seriesHtml += '<div class="graph-tooltip-list-item"><div class="graph-tooltip-series-name">';
+          seriesHtml += '<div class="graph-tooltip-list-item"><div class="graph-tooltip-series-name"' + highlightStyle + '>';
           seriesHtml += '<i class="fa fa-minus" style="color:' + series.color +';"></i> ' + series.label + ':</div>';
           seriesHtml += '<div class="graph-tooltip-value">' + value + '</div></div>';
           plot.highlight(i, hoverInfo.hoverIndex);