From 0866234001c25ce81a4d7d25804b74e0a9e5d83f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=B6khan=20=C3=96zen?= <Goekhan.Oezen@hksinformatik.de>
Date: Mon, 10 Aug 2015 17:07:48 +0200
Subject: [PATCH] show legend for gauges which have more than one arc

---
 src/core.js   | 2 +-
 src/legend.js | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core.js b/src/core.js
index 60ee0c5..3da0bda 100644
--- a/src/core.js
+++ b/src/core.js
@@ -221,7 +221,7 @@ c3_chart_internal_fn.initWithData = function (data) {
     }
 
     // when gauge, hide legend // TODO: fix
-    if ($$.hasType('gauge')) {
+    if ($$.hasType('gauge') && $$.config.data_columns.length <= 1) {
         config.legend_show = false;
     }
 
diff --git a/src/legend.js b/src/legend.js
index 158b503..a926b4e 100644
--- a/src/legend.js
+++ b/src/legend.js
@@ -307,7 +307,9 @@ c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
     tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile)
             .data(targetIds);
         (withTransition ? tiles.transition() : tiles)
-            .style('stroke', $$.color)
+            .style('stroke', $$.levelColor ? function(id) {
+                return $$.levelColor($$.cache[id].values[0].value);
+            } : $$.color)
             .attr('x1', x1ForLegendTile)
             .attr('y1', yForLegendTile)
             .attr('x2', x2ForLegendTile)