--- loncom/interface/lonmeta.pm	2001/12/24 23:01:31	1.12
+++ loncom/interface/lonmeta.pm	2002/02/11 04:19:40	1.14
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Metadata display handler
 #
-# $Id: lonmeta.pm,v 1.12 2001/12/24 23:01:31 www Exp $
+# $Id: lonmeta.pm,v 1.14 2002/02/11 04:19:40 harris41 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -29,7 +29,7 @@
 #
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)
 #
-# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24 Gerd Kortemeyer
+# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24,12/25 Gerd Kortemeyer
 
 package Apache::lonmeta;
 
@@ -100,6 +100,7 @@ sub dynamicmeta {
 
 sub evalgraph {
     my $value=shift;
+    unless ($value) { return ''; }
     my $val=int($value*10.+0.5)-10;
     my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
     if ($val>=20) {
@@ -121,9 +122,10 @@ sub evalgraph {
 
 sub diffgraph {
     my $value=shift;
+    unless ($value) { return ''; }
     my $val=int(40.0*$value+0.5);
-    my @colors=('#FF3333','#EEBB33','#BBEE33','#33FF33',
-                '#33FF33','#BBEE33','#EEBB33','#FF3333');
+    my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
+                '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
     my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
     for (my $i=0;$i<8;$i++) {
 	if ($val>$i*5) {
@@ -152,16 +154,16 @@ sub handler {
 # ------------------------------------------------------------------- Read file
 
   my $uri=$r->uri;
-  map {
+  foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
       $content{$_}=&Apache::lonnet::metadata($uri,$_);
-  } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
+  }
 
 # ------------------------------------------------------------------ Hide stuff
 
   unless ($ENV{'user.adv'}) {
-      map {
+      foreach ('keywords','notes','abstract','subject') {
           $content{$_}='<i>- not displayed -</i>';
-      } ('keywords','notes','abstract','subject');
+      }
   }
 
 # --------------------------------------------------------------- Render Output
@@ -276,12 +278,12 @@ $dynmeta{$_}."&nbsp;</td></tr>\n");
       my $display=&Apache::lonnet::metadata($uri,$name.'.display');
       unless ($display) { $display=$name; };
       my $otherinfo='';
-      map {
+      foreach ('name','part','type','default') {
           if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
              $otherinfo.=' '.$_.'='.
 		 &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
           }
-      } ('name','part','type','default'); 
+      }
       $r->print('<b>'.$display.':</b> '.$content{$name});
       if ($otherinfo) {
          $r->print(' ('.$otherinfo.')');