[LON-CAPA-cvs] cvs: loncom /interface lonmeta.pm

[banghart]

banghart		Fri Nov 18 19:00:40 2005 EDT

  Modified files:              
    /loncom/interface	lonmeta.pm 
  Log:
  	Displays select pulldown only if instructor has entered
  	values to select.
  
  
Index: loncom/interface/lonmeta.pm
diff -u loncom/interface/lonmeta.pm:1.128 loncom/interface/lonmeta.pm:1.129
--- loncom/interface/lonmeta.pm:1.128	Fri Nov 18 18:47:33 2005
+++ loncom/interface/lonmeta.pm	Fri Nov 18 19:00:38 2005
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Metadata display handler
 #
-# $Id: lonmeta.pm,v 1.128 2005/11/18 23:47:33 banghart Exp $
+# $Id: lonmeta.pm,v 1.129 2005/11/19 00:00:38 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -512,6 +512,8 @@
                     $cur_values_stu .= $_.',';
                 }
             }
+        } else {
+            $cur_values_stu = $value;
         }
         if ($type eq 'author') {
             return 
@@ -531,10 +533,12 @@
         if ($type eq 'subject') {
         }
         if ($type eq 'keywords') {
-            if ($only_one) {
-                $output .= (&Apache::loncommon::select_form($value,'new_keywords',%meta_options));
-            } else {
-                $output .= (&Apache::loncommon::multiple_select_form('new_keywords',\@cur_values_inst,undef,\%meta_options));
+            if ($values) {
+                if ($only_one) {
+                    $output .= (&Apache::loncommon::select_form($value,'new_keywords',%meta_options));
+                } else {
+                    $output .= (&Apache::loncommon::multiple_select_form('new_keywords',\@cur_values_inst,undef,\%meta_options));
+                }
             }
             if ($stu_add) {
                 $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.