use tinstance for legend label when data_sources is not set by plugin

1 files changed, 7 insertions, 2 deletions

diff --git a/type/Default.class.php b/type/Default.class.php
index 0930fe3..45c4458 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -195,8 +195,13 @@ class Type_Default {
                 }
                 # or one file with multiple data_sources
                 else {
-                        # use data_sources as sources
-                        $sources = $this->data_sources;
+                        if(is_array($this->data_sources) && count($this->data_sources)==1 && in_array('value', $this->data_sources)) {
+                                # use tinstances as sources
+                                $sources = $this->tinstances;
+                        } else {
+                                # use data_sources as sources
+                                $sources = $this->data_sources;
+                        }
                 }
                 $this->parse_ds_names($sources);
                 return $sources;