From 2e28b180b6562f940a806a719cd4c650ede79659 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Sat, 5 Jul 2014 13:36:33 +0200
Subject: jsrrdgraph: RrdGraph.js: make HRULE support reference to variable

The value of HRULE could be a reference to for example a VDEF variable.

Closes #85
---
 js/RrdGraph.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/js/RrdGraph.js b/js/RrdGraph.js
index 9d35581..dfbbc07 100644
--- a/js/RrdGraph.js
+++ b/js/RrdGraph.js
@@ -379,7 +379,9 @@ RrdGraphDesc.prototype.vrule = function (graph, time, color, legend)
 RrdGraphDesc.prototype.hrule = function (graph, value, color, legend)
 {
 	this.gf = RrdGraphDesc.GF_HRULE;
-	this.yrule = value;
+	this.vidx = graph.find_var(value);
+	if (this.vidx == -1)
+		this.yrule = value;
 	this.col = color;
 	if (legend === undefined) this.legend = '';
 	else this.legend = '  '+legend;
-- 
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