graph: don't overwrite config rrdtool_opts by rrdtool_opts from json plugin

Closes #86

1 files changed, 6 insertions, 4 deletions

diff --git a/type/Base.class.php b/type/Base.class.php
index 5af4c29..b74c1b1 100644
--- a/type/Base.class.php
+++ b/type/Base.class.php
@@ -5,7 +5,7 @@
 class Type_Base {
         var $datadir;
         var $rrdtool;
-        var $rrdtool_opts;
+        var $rrdtool_opts = array();
         var $cache;
         var $args;
         var $seconds;
@@ -36,7 +36,8 @@ class Type_Base {
         function __construct($config, $_get) {
                 $this->datadir = $config['datadir'];
                 $this->rrdtool = $config['rrdtool'];
-                $this->rrdtool_opts = $config['rrdtool_opts'];
+                if (!empty($config['rrdtool_opts']))
+                        $this->rrdtool_opts[] = $config['rrdtool_opts'];
                 $this->cache = $config['cache'];
                 $this->parse_get($_get);
                 $this->rrd_title = sprintf(
@@ -253,8 +254,9 @@ class Type_Base {
                         default:
                         break;
                 }
-                if ($this->rrdtool_opts != '')
-                        $rrdgraph[] = $this->rrdtool_opts;
+                if (!empty($this->rrdtool_opts))
+                        foreach($this->rrdtool_opts as $opt)
+                                $rrdgraph[] = $opt;
                 if ($this->graph_smooth)
                         $rrdgraph[] = '-E';
                 if ($this->base)