--- loncom/interface/lonparmset.pm	2000/11/28 15:39:52	1.18
+++ loncom/interface/lonparmset.pm	2001/12/26 21:45:29	1.41
@@ -1,21 +1,56 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
+# $Id: lonparmset.pm,v 1.41 2001/12/26 21:45:29 www Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 # (Handler to resolve ambiguous file locations
 #
 # (TeX Content Handler
 #
+# YEAR=2000
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)
 #
 # 10/11,10/12,10/16 Gerd Kortemeyer)
 #
-# 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28 Gerd Kortemeyer
+# 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
+# 12/08,12/12,
+# YEAR=2001
+# 16/01/01,02/08,03/20,03/23,03/24,03/26,05/09,
+# 07/05,07/06,08/08,08/09,09/01,09/21 Gerd Kortemeyer
+# 12/17 Scott Harrison
+# 12/19 Guy Albertelli
+# 12/26 Gerd Kortemeyer
+#
+###
 
 package Apache::lonparmset;
 
 use strict;
 use Apache::lonnet;
 use Apache::Constants qw(:common :http REDIRECT);
+use Apache::loncommon;
 use GDBM_File;
 
 
@@ -34,6 +69,7 @@ my %keyp;
 my %defp;
 
 my %allkeys;
+my %allmaps;
 
 my $uname;
 my $udom;
@@ -136,26 +172,23 @@ sub valout {
 
 sub plink {
     my ($type,$dis,$value,$marker,$return,$call)=@_;
-    return '<a href="javascript:pjump('."'".$type."','".$dis."','".$value."','"
+    my $winvalue=$value;
+    unless ($winvalue) {
+	if ($type=~/^date/) {
+            $winvalue=$ENV{'form.recent_'.$type};
+        } else {
+            $winvalue=$ENV{'form.recent_'.(split(/\_/,$type))[0]};
+        }
+    }
+    return 
+      '<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
       .$marker."','".$return."','".$call."'".');">'.
-      &valout($value,$type).'</a>';
+      &valout($value,$type).'</a><a name="'.$marker.'"></a>';
 }
 
-# ================================================================ Main Handler
+sub assessparms {
 
-sub handler {
-   my $r=shift;
-
-   if ($r->header_only) {
-      $r->content_type('text/html');
-      $r->send_http_header;
-      return OK;
-   }
-
-# ----------------------------------------------------- Needs to be in a course
-
-   if (($ENV{'request.course.fn'}) && 
-       (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
+      my $r=shift;
 # -------------------------------------------------------- Variable declaration
 
       %courseopt=();
@@ -172,6 +205,27 @@ sub handler {
       $udom=$ENV{'form.udom'};
       unless ($udom) { $udom=$r->dir_config('lonDefDomain'); }
 
+      my $pscat=$ENV{'form.pscat'};
+      my $pschp=$ENV{'form.pschp'};
+      my $pssymb='';
+
+# ----------------------------------------------- Was this started from grades?
+
+      if (($ENV{'form.command'} eq 'set') && ($ENV{'form.url'})
+          && (!$ENV{'form.dis'})) {
+	  my $url=$ENV{'form.url'};
+          $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+          $pssymb=&Apache::lonnet::symbread($url);
+          $pscat='all';
+          $pschp='';
+      } elsif ($ENV{'form.symb'}) {
+	  $pssymb=$ENV{'form.symb'};
+	  $pscat='all';
+	  $pschp='';
+      } else {
+          $ENV{'form.url'}='';
+      }
+ 
       my $id=$ENV{'form.id'};
       if (($id) && ($udom)) {
           $uname=(&Apache::lonnet::idget($udom,$id))[1];
@@ -205,7 +259,7 @@ sub handler {
               my %name=&Apache::lonnet::userenvironment($udom,$uname,
 		('firstname','middlename','lastname','generation','id'));
               $message="\n<p>\nFull Name: ".
-                          $name{'firstname'}.' '.$name{'middlename'}
+                          $name{'firstname'}.' '.$name{'middlename'}.' '
 	                 .$name{'lastname'}.' '.$name{'generation'}.
                        "<br>\nID: ".$name{'id'}.'<p>';
          }
@@ -224,9 +278,10 @@ sub handler {
            $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
 
 # --------------------------------------------------------- Get all assessments
-	%allkeys=();
-        %defp=();
-        map {
+	undef %allkeys;
+        undef %allmaps;
+        undef %defp;
+        foreach (keys %bighash) {
 	    if ($_=~/^src\_(\d+)\.(\d+)$/) {
 	       my $mapid=$1;
                my $resid=$2;
@@ -236,7 +291,8 @@ sub handler {
 		   $ids[$#ids+1]=$id;
                    $typep{$id}=$1;
                    $keyp{$id}='';
-                   map {
+                   foreach (split(/\,/,
+                            &Apache::lonnet::metadata($srcf,'keys'))) {
                        if ($_=~/^parameter\_(.*)/) {
 			  my $key=$_;
                           my $allkey=$1;
@@ -250,7 +306,7 @@ sub handler {
                           $allkeys{$allkey}=$display;
                           if ($allkey eq $fcat) {
                              $defp{$id}=
-                              &Apache::lonnet::metadata($srcf,$key.'.default');
+                              &Apache::lonnet::metadata($srcf,$key);
 			  }
                           if ($keyp{$id}) {
 			      $keyp{$id}.=','.$key;
@@ -258,20 +314,20 @@ sub handler {
                               $keyp{$id}=$key;
 		          }
 		       }
-                   } split(/\,/,
-                      &Apache::lonnet::metadata($srcf,'keys'));
+                   }
                    $mapp{$id}=
 		       &Apache::lonnet::declutter($bighash{'map_id_'.$mapid});
+                   $allmaps{$mapid}=$mapp{$id};
                    $symbp{$id}=$mapp{$id}.
 			'___'.$resid.'___'.
 			    &Apache::lonnet::declutter($srcf);
 	       }
             }
-        } keys %bighash;
+        }
 # ---------------------------------------------------------- Anything to store?
         if ($ENV{'form.pres_marker'}) {
        my ($sresid,$spnam,$snum)=split(/\&/,$ENV{'form.pres_marker'});
-       $spnam=~s/\_/\./;
+       $spnam=~s/\_([^\_]+)$/\.$1/;
 # ---------------------------------------------------------- Construct prefixes
 
        my $symbparm=$symbp{$sresid}.'.'.$spnam;
@@ -310,6 +366,18 @@ sub handler {
        my $reply='';
            if ($snum>3) {
 # ---------------------------------------------------------------- Store Course
+#
+# Expire sheets
+	    &Apache::lonnet::expirespread('','','studentcalc');
+            if (($snum==7) || ($snum==4)) {
+	     &Apache::lonnet::expirespread('','','assesscalc',$symbp{$sresid});
+            } elsif (($snum==8) || ($snum==5)) {
+	     &Apache::lonnet::expirespread('','','assesscalc',$mapp{$sresid});
+            } else {
+	     &Apache::lonnet::expirespread('','','assesscalc');
+            }
+
+# Store parameter
             $reply=&Apache::lonnet::critical('put:'.
              $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.
              $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata:'.
@@ -317,6 +385,20 @@ sub handler {
              $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
            } else {
 # ------------------------------------------------------------------ Store User
+#
+# Expire sheets
+	    &Apache::lonnet::expirespread($uname,$udom,'studentcalc');
+            if ($snum==1) {
+		&Apache::lonnet::expirespread
+                    ($uname,$udom,'assesscalc',$symbp{$sresid});
+            } elsif ($snum==2) {
+		&Apache::lonnet::expirespread
+                    ($uname,$udom,'assesscalc',$mapp{$sresid});
+            } else {
+		&Apache::lonnet::expirespread($uname,$udom,'assesscalc');
+            }
+                
+# Store parameter
             $reply=
             &Apache::lonnet::critical('put:'.$udom.':'.$uname.':resourcedata:'.
              $storecontent,$uhome);
@@ -333,22 +415,22 @@ sub handler {
               $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata',
               $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
         if ($reply!~/^error\:/) {
-           map {
+           foreach (split(/\&/,$reply)) {
              my ($name,$value)=split(/\=/,$_);
              $courseopt{&Apache::lonnet::unescape($name)}=
                         &Apache::lonnet::unescape($value);  
-           } split(/\&/,$reply);
+           }
         }
 # --------------------------------------------------- Get userdata (if present)
         if ($uname) {
            my $reply=
        &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
            if ($reply!~/^error\:/) {
-              map {
+              foreach (split(/\&/,$reply)) {
                 my ($name,$value)=split(/\=/,$_);
                 $useropt{&Apache::lonnet::unescape($name)}=
                          &Apache::lonnet::unescape($value);
-              } split(/\&/,$reply);
+              }
            }
         }
 
@@ -358,17 +440,18 @@ sub handler {
            if ($fcat eq '') {
               $a<=>$b;
            } else {
-              $outpar[&parmval($fcat,$a,$defp{$a})]<=>
-              $outpar[&parmval($fcat,$b,$defp{$b})];
+              1*$outpar[&parmval($fcat,$a,$defp{$a})]<=>
+              1*$outpar[&parmval($fcat,$b,$defp{$b})];
            } 
-        } @ids;
+       } @ids;
+
 # ------------------------------------------------------------------ Start page
          $r->content_type('text/html');
          $r->send_http_header;
 	$r->print(<<ENDHEAD);
 <html>
 <head>
-<title>LON-CAPA Assessment Parameters</title>
+<title>LON-CAPA Course Parameters</title>
 <script>
 
     function pclose() {
@@ -390,6 +473,19 @@ sub handler {
     function psub() {
         pclose();
         if (document.parmform.pres_marker.value!='') {
+            document.parmform.action+='#'+document.parmform.pres_marker.value;
+            var typedef=new Array();
+            typedef=document.parmform.pres_type.value.split('_');
+           if (document.parmform.pres_type.value!='') {
+            if (typedef[0]=='date') {
+                eval('document.parmform.recent_'+
+                     document.parmform.pres_type.value+
+		     '.value=document.parmform.pres_value.value;');
+            } else {
+                eval('document.parmform.recent_'+typedef[0]+
+		     '.value=document.parmform.pres_value.value;');
+            }
+	   }
             document.parmform.submit();
         } else {
             document.parmform.pres_value.value='';
@@ -400,9 +496,14 @@ sub handler {
 </script>
 </head>
 <body bgcolor="#FFFFFF" onUnload="pclose()">
-<h1>Set Assessment Parameters</h1>
-<form method="post" action="/adm/parmset" name="parmform">
+<h1>Set Course Parameters</h1>
+<form method="post" action="/adm/parmset" name="envform">
 <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
+<h3>Course Environment</h3>
+<input type="submit" name="crsenv" value="Set Course Environment">
+</form>
+<form method="post" action="/adm/parmset" name="parmform">
+<h3>Course Assessments</h3>
 <b>
 Section/Group: 
 <input type="text" value="$csec" size="6" name="csec">
@@ -414,23 +515,55 @@ or ID
 at Domain 
 <input type="text" value="$udom" size="6" name="udom">
 </b>
-<input type="submit" value="Display">
 <input type="hidden" value='' name="pres_value">
 <input type="hidden" value='' name="pres_type">
-<input type="hidden" value='' name="pres_marker">
+<input type="hidden" value='' name="pres_marker"> 
 ENDHEAD
+    if ($ENV{'form.url'}) {
+	$r->print('<input type="hidden" value="'.$ENV{'form.url'}.
+	      '" name="url"><input type="hidden" name="command" value="set">');
+    }
+    foreach ('tolerance','date_default','date_start','date_end',
+             'date_interval','int','float','string') {
+      $r->print('<input type="hidden" value="'.
+          $ENV{'form.recent_'.$_}.'" name="recent_'.$_.'">');
+    }
 
-        $r->print('<h2>'.$message.'</h2><p>Sort list by ');
-	$r->print('<select name="fcat" onChange="this.form.submit();">');
+        $r->print('<h2>'.$message.'</h2><table><tr><td>Sort list by</td><td>');
+	$r->print('<select name="fcat">');
         $r->print('<option value="">Enclosing Map</option>');
-        map {
+        foreach (reverse sort keys %allkeys) {
 	    $r->print('<option value="'.$_.'"');
             if ($fcat eq $_) { $r->print(' selected'); }
             $r->print('>'.$allkeys{$_}.'</option>');
-        } keys %allkeys;
-        $r->print('</select>');
+        }
+       $r->print(
+    '</select></tr><tr><td>Select Enclosing Map</td><td><select name=pschp>');
+        $r->print('<option value=all>All Maps</option>');
+        foreach (keys %allmaps) {
+	    $r->print('<option value="'.$_.'"');
+            if (($pssymb=~/^$allmaps{$_}/) || 
+                ($pschp eq $_)) { $r->print(' selected'); }
+            $r->print('>'.$allmaps{$_}.'</option>');
+        }
+        $r->print(
+ '</select></td></tr><tr><td>Select Parameter</td><td><select name=pscat>');
+        $r->print('<option value=all>All Parameters</option>');
+        foreach (reverse sort keys %allkeys) {
+	    $r->print('<option value="'.$_.'"');
+            if ($pscat eq $_) { $r->print(' selected'); }
+            $r->print('>'.$allkeys{$_}.'</option>');
+        }
+        $r->print(
+'</select></td></tr></table><br><input name=dis type="submit" value="Display">'
+                 );
+      if (($pscat) || ($pschp) || ($pssymb)) {
 # ----------------------------------------------------------------- Start Table
+	my $catmarker='parameter_'.$pscat;
+        $catmarker=~s/\./\_/g;
         my $coursespan=$csec?8:5;
+        my $csuname=$ENV{'user.name'};
+        my $csudom=$ENV{'user.domain'};
 	 $r->print(<<ENDTABLEHEAD);
 <p><table border=2>
 <tr><td colspan=5></td>
@@ -440,7 +573,9 @@ ENDTABLEHEAD
 	$r->print("<th colspan=3 rowspan=2>User $uname at Domain $udom</th>");
     }
     $r->print(<<ENDTABLETWO);
-<th rowspan=3>Parameter in Effect</th></tr><tr><td colspan=5></td>
+<th rowspan=3>Parameter in Effect</th>
+<th rowspan=3>Current Session Value<br>($csuname at $csudom)</th>
+</tr><tr><td colspan=5></td>
 <th colspan=2>Resource Level</th>
 <th colspan=3>in Course</th>
 ENDTABLETWO
@@ -459,32 +594,54 @@ ENDTABLEHEADFOUR
     if ($uname) {
   $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
     }
-	$r->print('</tr><tr>');
- 	 map {
+	$r->print('</tr>');
+         my $defbgone='';
+         my $defbgtwo='';
+ 	 foreach (@ids) {
+           my $rid=$_;
+           my ($inmapid)=($rid=~/\.(\d+)$/);
+           if (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid}) ||
+               ($pssymb eq $mapp{$rid}.'___'.$inmapid.'___'.
+                &Apache::lonnet::declutter($bighash{'src_'.$rid}))) {
 # ------------------------------------------------------ Entry for one resource
+	     if ($defbgone eq '"E0E099"') {
+		 $defbgone='"E0E0DD"';
+             } else {
+                 $defbgone='"E0E099"';
+	     }
+	     if ($defbgtwo eq '"FFFF99"') {
+		 $defbgtwo='"FFFFDD"';
+             } else {
+                 $defbgtwo='"FFFF99"';
+	     }
 	    @outpar=();
-            my $rid=$_;
             my $thistitle='';
             my %name=   ();
+	     undef %name;
             my %part=   ();
 	    my %display=();
 	    my %type=   ();
             my %default=();
             my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
 
-            map {
+            foreach (split(/\,/,$keyp{$rid})) {
+	     if (($_ eq $catmarker) || ($pscat eq 'all')) {
 		$part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
                 $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
                 $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
                 unless ($display{$_}) { $display{$_}=''; }
                 $display{$_}.=' ('.$name{$_}.')';
-                $default{$_}=&Apache::lonnet::metadata($uri,$_.'.default');
+                $default{$_}=&Apache::lonnet::metadata($uri,$_);
                 $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
                 $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
-            } split(/\,/,$keyp{$rid});
+	     }
+            }
 
 	    my $totalparms=scalar keys %name;
-            $r->print('<td rowspan='.$totalparms.'><tt><font size=-1>'.
+	  if ($totalparms>0) {
+            my $firstrow=1;
+            $r->print('<tr><td bgcolor='.$defbgone.
+                ' rowspan='.$totalparms.'><tt><font size=-1>'.
                 join(' / ',split(/\//,$uri)).
                 '</font></tt><p><b>'.
                       $bighash{'title_'.$rid});
@@ -492,66 +649,232 @@ ENDTABLEHEADFOUR
 		$r->print(' ('.$thistitle.')');
             }
             $r->print('</b></td>');
-            $r->print('<td rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
-            $r->print('<td rowspan='.$totalparms.'><tt><font size=-1>'.
+            $r->print('<td bgcolor='.$defbgtwo.
+                    ' rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
+            $r->print('<td bgcolor='.$defbgone.
+                    ' rowspan='.$totalparms.'><tt><font size=-1>'.
 		      join(' / ',split(/\//,$mapp{$rid})).'</font></tt></td>');
-            map {
-
+            foreach (sort keys %name) {
 	       my $result=&parmval($part{$_}.'.'.$name{$_},$rid,$default{$_});
-
-               $r->print("<td>$part{$_}</td><td>$display{$_}</td>");
+               unless ($firstrow) { 
+                  $r->print('<tr>'); 
+               } else {
+		   $firstrow=0;
+               }
+               $r->print("<td bgcolor=".$defbgtwo.
+                  ">$part{$_}</td><td bgcolor=".$defbgone.
+                  ">$display{$_}</td>");
                my $thismarker=$_;
                $thismarker=~s/^parameter\_//; 
                my $mprefix=$rid.'&'.$thismarker.'&';
 
-               $r->print('<td'.(($result==11)?' bgcolor="#AAFFAA"':'').'>'.
+               $r->print('<td bgcolor='.
+                (($result==11)?'"#AAFFAA"':'#FFDDDD').'>'.
              &valout($outpar[11],$type{$_}).'</td>');
-               $r->print('<td'.(($result==10)?' bgcolor="#AAFFAA"':'').'>'.
+               $r->print('<td bgcolor='.
+                (($result==10)?'"#AAFFAA"':'#FFDDDD').'>'.
              &valout($outpar[10],$type{$_}).'</td>');
 
-               $r->print('<td'.(($result==9)?' bgcolor="#AAFFAA"':'').'>'.
+               $r->print('<td bgcolor='.
+                (($result==9)?'"#AAFFAA"':$defbgone).'>'.
              &plink($type{$_},$display{$_},$outpar[9],$mprefix.'9',
                     'parmform.pres','psub').'</td>');
-               $r->print('<td'.(($result==8)?' bgcolor="#AAFFAA"':'').'>'.
+               $r->print('<td bgcolor='.
+                (($result==8)?'"#AAFFAA"':$defbgone).'>'.
              &plink($type{$_},$display{$_},$outpar[8],$mprefix.'8',
                     'parmform.pres','psub').'</td>');
-               $r->print('<td'.(($result==7)?' bgcolor="#AAFFAA"':'').'>'.
+               $r->print('<td bgcolor='.
+                (($result==7)?'"#AAFFAA"':$defbgone).'>'.
              &plink($type{$_},$display{$_},$outpar[7],$mprefix.'7',
                     'parmform.pres','psub').'</td>');
 
                if ($csec) {
-                 $r->print('<td'.(($result==6)?' bgcolor="#AAFFAA"':'').'>'.
+                 $r->print('<td bgcolor='.
+                   (($result==6)?'"#AAFFAA"':$defbgtwo).'>'.
              &plink($type{$_},$display{$_},$outpar[6],$mprefix.'6',
                     'parmform.pres','psub').'</td>');
-                 $r->print('<td'.(($result==5)?' bgcolor="#AAFFAA"':'').'>'.
+                 $r->print('<td bgcolor='.
+                   (($result==5)?'"#AAFFAA"':$defbgtwo).'>'.
              &plink($type{$_},$display{$_},$outpar[5],$mprefix.'5',
                     'parmform.pres','psub').'</td>');
-                 $r->print('<td'.(($result==4)?' bgcolor="#AAFFAA"':'').'>'.
+                 $r->print('<td bgcolor='.
+                    (($result==4)?'"#AAFFAA"':$defbgtwo).'>'.
              &plink($type{$_},$display{$_},$outpar[4],$mprefix.'4',
                     'parmform.pres','psub').'</td>');
                }
 
                if ($uname) {
-                 $r->print('<td'.(($result==3)?' bgcolor="#AAFFAA"':'').'>'.
+                 $r->print('<td bgcolor='.
+                    (($result==3)?'"#AAFFAA"':$defbgone).'>'.
              &plink($type{$_},$display{$_},$outpar[3],$mprefix.'3',
                     'parmform.pres','psub').'</td>');
-                 $r->print('<td'.(($result==2)?' bgcolor="#AAFFAA"':'').'>'.
+                 $r->print('<td bgcolor='.
+                    (($result==2)?'"#AAFFAA"':$defbgone).'>'.
              &plink($type{$_},$display{$_},$outpar[2],$mprefix.'2',
                     'parmform.pres','psub').'</td>');
-                 $r->print('<td'.(($result==1)?' bgcolor="#AAFFAA"':'').'>'.
+                 $r->print('<td bgcolor='.
+                   (($result==1)?'"#AAFFAA"':$defbgone).'>'.
              &plink($type{$_},$display{$_},$outpar[1],$mprefix.'1',
                     'parmform.pres','psub').'</td>');
                }
-
-               $r->print('<td>'.&valout($outpar[$result],$type{$_}).'</td>');
-               $r->print("</tr>\n<tr>");
-	   } sort keys %name;
+               $r->print(
+	'<td bgcolor=#CCCCFF>'.&valout($outpar[$result],$type{$_}).'</td>');
+               my $sessionval=&Apache::lonnet::EXT('resource.'.$part{$_}.
+		      '.'.$name{$_},$mapp{$rid}.'___'.$inmapid.'___'.$uri);
+               if (($type{$_}=~/^date/) && ($sessionval))
+                    { $sessionval=localtime($sessionval); }
+               $r->print(
+	'<td bgcolor=#999999><font color=#FFFFFF>'.$sessionval.'&nbsp;'.
+        '</font></td>');
+               $r->print("</tr>");
+	   }
+	}
 # -------------------------------------------------- End entry for one resource
-	 } @ids;
-         $r->print('</table></form></body></html>');
+	 }
+	 }
+         $r->print('</table>');
+      }
+	$r->print('</form></body></html>');
          untie(%bighash);
 	 untie(%parmhash);
       }
+}
+
+sub crsenv {
+    my $r=shift;
+    my $setoutput='';
+# -------------------------------------------------- Go through list of changes
+    foreach (keys %ENV) {
+	if ($_=~/^form\.(.+)\_setparmval$/) {
+            my $name=$1;
+            my $value=$ENV{'form.'.$name.'_value'};
+            if ($name eq 'newp') {
+                $name=$ENV{'form.newp_name'};
+            }
+            if ($name eq 'url') {
+		$value=~s/^\/res\///;
+                $setoutput.='Backing up previous URL: '.
+                         &Apache::lonnet::reply('put:'.
+                         $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
+                         ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
+                         ':environment:'.
+                         &Apache::lonnet::escape('top level map backup '.
+                                                                    time).'='.
+	                 &Apache::lonnet::reply('get:'.
+                         $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
+                         ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
+                         ':environment:url',
+		         $ENV{'course.'.$ENV{'request.course.id'}.'.home'}),
+                         $ENV{'course.'.$ENV{'request.course.id'}.'.home'}).
+                        '<br>';
+
+            }
+            if ($name) {
+        	$setoutput.='Setting <tt>'.$name.'</tt> to <tt>'.
+                        $value.'</tt>: '.
+                &Apache::lonnet::reply('put:'.
+                         $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
+                         ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
+                         ':environment:'.
+                            &Apache::lonnet::escape($name).'='.
+			    &Apache::lonnet::escape($value),
+                         $ENV{'course.'.$ENV{'request.course.id'}.'.home'}).
+                        '<br>';
+	    }
+        }
+    }
+# -------------------------------------------------------- Get parameters again
+    my $rep=&Apache::lonnet::reply
+                 ('dump:'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
+                         ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
+                         ':environment',
+                         $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
+    my $output='';
+    if ($rep ne 'con_lost') {
+	my %values;
+        my %descriptions=
+ ('url'            => '<b>Top Level Map</b><br><font color=red>'.
+                   'Modification may make assessment data inaccessible</font>',
+  'description'    => '<b>Course Description</b>',
+  'courseid'       => '<b>Course ID or number</b><br>(internal, optional)',
+  'question.email' => '<b>Feedback Addresses for Content Questions</b><br>'.
+                      '(<tt>user:domain,user:domain,...</tt>)',
+  'comment.email'  => '<b>Feedback Addresses for Comments</b><br>'.
+                      '(<tt>user:domain,user:domain,...</tt>)',
+  'policy.email'   => '<b>Feedback Addresses for Course Policy</b><br>'.
+                      '(<tt>user:domain,user:domain,...</tt>)',
+  'hideemptyrows'  => '<b>Hide Empty Rows in Spreadsheets</b><br>'.
+                      '("<tt>yes</tt>" for default hiding)',
+  'discussoff'     => '<b>Disallow Resource Discussion for Students</b><br>'.
+                      '("<tt>yes</tt>" for disallowing discussion)'
+ ); 
+
+       foreach (split(/\&/,$rep)) {
+           my ($name,$value)=split(/\=/,$_);
+           $name=&Apache::lonnet::unescape($name);
+           $values{$name}=&Apache::lonnet::unescape($value);
+           unless ($descriptions{$name}) {
+	       $descriptions{$name}=$name;
+           }
+       }
+       foreach (sort keys %descriptions) {
+           $output.='<tr><td>'.$descriptions{$_}.'</td><td><input name="'.
+                       $_.'_value" size=40 value="'.
+                      $values{$_}.
+                     '"></td><td><input type=checkbox name="'.$_.
+                     '_setparmval"></td></tr>';
+       }
+       $output.='<tr><td><i>Create New Environment Variable</i><br>'.
+                '<input type="text" size=40 name="newp_name"></td><td>'.
+                '<input type="text" size=40 name="newp_value"></td><td>'.
+                '<input type="checkbox" name="newp_setparmval"></td></tr>'; 
+    }    
+    $r->print(<<ENDENV);
+<html>
+<head>
+<title>LON-CAPA Course Environment</title>
+</head>
+<body bgcolor="#FFFFFF">
+<h1>Set Course Parameters</h1>
+<form method="post" action="/adm/parmset" name="envform">
+<h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
+<h3>Course Environment</h3>
+$setoutput
+<p>
+<table border=2>
+<tr><th>Parameter</th><th>Value</th><th>Set?</th></tr>
+$output
+</table>
+<input type="submit" name="crsenv" value="Set Course Environment">
+</form>
+</body>
+</html>    
+ENDENV
+}
+
+# ================================================================ Main Handler
+
+sub handler {
+   my $r=shift;
+
+   if ($r->header_only) {
+      $r->content_type('text/html');
+      $r->send_http_header;
+      return OK;
+   }
+   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
+# ----------------------------------------------------- Needs to be in a course
+
+   if (($ENV{'request.course.id'}) && 
+       (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
+
+       unless (($ENV{'form.crsenv'}) || (!$ENV{'request.course.fn'})) {
+# --------------------------------------------------------- Bring up assessment
+	  &assessparms($r);
+# ---------------------------------------------- This is for course environment
+       } else {
+	  &crsenv($r);
+       }
    } else {
 # ----------------------------- Not in a course, or not allowed to modify parms
       $ENV{'user.error.msg'}=
@@ -565,5 +888,73 @@ ENDTABLEHEADFOUR
 __END__
 
 
+=head1 NAME
+
+Apache::lonparmset - Handler to set parameters for assessments
+
+=head1 SYNOPSIS
+
+Invoked by /etc/httpd/conf/srm.conf:
+
+ <Location /adm/parmset>
+ PerlAccessHandler       Apache::lonacc
+ SetHandler perl-script
+ PerlHandler Apache::lonparmset
+ ErrorDocument     403 /adm/login
+ ErrorDocument     406 /adm/roles
+ ErrorDocument	  500 /adm/errorhandler
+ </Location>
+
+=head1 INTRODUCTION
+
+This module sets assessment parameters.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 HANDLER SUBROUTINE
+
+This routine is called by Apache and mod_perl.
+
+=over 4
+
+=item *
+
+need to be in course
+
+=item *
+
+bring up assessment screen or course environment
+
+=back
+
+=head1 OTHER SUBROUTINES
+
+=over 4
+
+=item *
+
+parmval() : figure out a cascading parameter
+
+=item *
+
+valout() : output for value
+
+=item *
+
+plink() : produces link anchor
+
+=item *
+
+assessparms() : show assess data and parameters
+
+=item *
+
+crsenv() : for the course environment
+
+=back
+
+=cut
+