1 files changed, 5 insertions, 6 deletions

diff --git a/type/Base.class.php b/type/Base.class.php
index 7c06e5d..9ceee4e 100644
--- a/type/Base.class.php
+++ b/type/Base.class.php
@@ -11,8 +11,8 @@ class Type_Base {
         var $seconds;
         var $data_sources = array('value');
         var $order;
-        var $legend;
-        var $colors;
+        var $legend = array();
+        var $colors
         var $rrd_title;
         var $rrd_vertical;
         var $rrd_format = '%5.1lf%s';
@@ -256,7 +256,7 @@ class Type_Base {
                 if (is_array($this->files) && count($this->files)>1) {
                         # and must it be ordered?
                         if (is_array($this->order)) {
-                                $this->tinstances = array_merge(array_intersect($this->order, $this->tinstances));
+                                $this->tinstances = array_merge(array_unique(array_merge(array_intersect($this->order, $this->tinstances), $this->tinstances)));
                         }
                         # use tinstances as sources
                         if(is_array($this->data_sources) && count($this->data_sources)>1) {
@@ -286,9 +286,8 @@ class Type_Base {
         }
 
         function parse_legend($sources) {
-                # fill legend if not defined by plugin
-                if (!is_array($this->legend))
-                        $this->legend = array_combine($sources, $sources);
+                # fill up legend by items that are not defined by plugin
+                $this->legend = array_merge(array_combine($sources, $sources), $this->legend);
 
                 # detect length of longest legend
                 $max = 0;