automatic alignment of graph legend

Function fill_ds_names is renamed to parse_ds_names and now also
appends spaces to ds_names to make them equal of lenght.

1 files changed, 15 insertions, 13 deletions

diff --git a/type/Default.class.php b/type/Default.class.php
index e4d3dec..57d0bf3 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -197,24 +197,26 @@ class Type_Default {
                         # use data_sources as sources
                         $sources = $this->data_sources;
                 }
-                $this->fill_ds_names($sources);
+                $this->parse_ds_names($sources);
                 return $sources;
         }
 
-        function fill_ds_names($sources) {
+        function parse_ds_names($sources) {
+                # fill ds_names if not defined by plugin
+                if (!is_array($this->ds_names))
+                        $this->ds_names = array_combine($sources, $sources);
+
+                # detect length of longest ds_name
                 $max = 0;
-                foreach ($sources as $source) {
-                        if(strlen($source) > $max) {
-                                $max = strlen($source);
-                        }
+                foreach ($this->ds_names as $ds_name) {
+                        if(strlen((string)$ds_name) > $max)
+                                $max = strlen((string)$ds_name);
                 }
-                if($max > 0) {
-                        $fmt = sprintf("%%-%ds", $max);
-                        foreach ($sources as $source) {
-                                if(!isset($this->ds_names[$source])) {
-                                        $this->ds_names[$source] = sprintf($fmt, $source);
-                                }
-                        }
+
+                # make all ds_names equal in lenght
+                $format = sprintf("%%-%ds", $max);
+                foreach ($this->ds_names as $index => $value) {
+                        $this->ds_names[$index] = sprintf($format, $value);
                 }
         }