loncom/interface/lonparmset.pm - diff

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Diff for /loncom/interface/lonparmset.pm between versions 1.219 and 1.361

-version 1.219, 2005/06/09 20:35:48
+version 1.361, 2007/03/05 02:46:45
  Line 63  use Apache::lonhomework;
  use Apache::lonxml;
  use Apache::lonlocal;
  use Apache::lonnavmaps;
+ use Apache::longroup;
+ use Apache::lonrss;
+ use LONCAPA qw(:DEFAULT :match);
  # --- Caches local to lonparmset
- Line 70  my $parmhashid;
+ Line 73  my $parmhashid;
  my %parmhash;
  my $symbsid;
  my %symbs;
+ my $rulesid;
+ my %rules;
  # --- end local caches
- Line 86  Inputs:  $what - a parameter spec (inclu
+ Line 91  Inputs:  $what - a parameter spec (inclu
           $id   - a bighash Id number
           $def  - the resource's default value   'stupid emacs
- Returns:  A list, the first item is the index into the remaining list of items of parm valuse that is the active one, the list consists of parm values at the 11 possible levels
+ Returns:  A list, the first item is the index into the remaining list of items of parm valuse that is the active one, the list consists of parm values at the 14 possible levels
 - General Course
 - Map or Folder level in course
 - resource default
 - map default
 - resource level in course
 - General for section
 - Map or Folder level for section
 - resource level in section
+- General for group
+- Map or Folder level for group
+- resource level in group
 - General for specific student
 - Map or Folder level for specific student
 - resource level for specific student
- Line 104  Returns:  A list, the first item is the
+ Line 112  Returns:  A list, the first item is the
  ##################################################
  sub parmval {
-     my ($what,$id,$def,$uname,$udom,$csec)=@_;
+     my ($what,$id,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
-     return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec);
+     return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec,
+                                                            $cgroup,$courseopt);
  }
  sub parmval_by_symb {
-     my ($what,$symb,$def,$uname,$udom,$csec)=@_;
+     my ($what,$symb,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
  # load caches
      &cacheparmhash();
-     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+     my $useropt;
-     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     if ($uname ne '' && $udom ne '') {
-     my $useropt=&Apache::lonnet::get_userresdata($uname,$udom);
+ 	$useropt = &Apache::lonnet::get_userresdata($uname,$udom);
-     my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
+     }
      my $result='';
      my @outpar=();
  # ----------------------------------------------------- Cascading lookup scheme
      my $map=(&Apache::lonnet::decode_symb($symb))[0];
+     $map = &Apache::lonnet::deversion($map);
      my $symbparm=$symb.'.'.$what;
      my $mapparm=$map.'___(all).'.$what;
+     my $grplevel=$env{'request.course.id'}.'.['.$cgroup.'].'.$what;
+     my $grplevelr=$env{'request.course.id'}.'.['.$cgroup.'].'.$symbparm;
+     my $grplevelm=$env{'request.course.id'}.'.['.$cgroup.'].'.$mapparm;
      my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$what;
      my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
      my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
- Line 137  sub parmval_by_symb {
+ Line 149  sub parmval_by_symb {
      my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
  # --------------------------------------------------------- first, check course
      if (defined($$courseopt{$courselevel})) {
- 	$outpar[11]=$$courseopt{$courselevel};
+ 	$outpar[14]=$$courseopt{$courselevel};
- 	$result=11;
+ 	$result=14;
      }
      if (defined($$courseopt{$courselevelm})) {
- 	$outpar[10]=$$courseopt{$courselevelm};
+ 	$outpar[13]=$$courseopt{$courselevelm};
- 	$result=10;
+ 	$result=13;
      }
  # ------------------------------------------------------- second, check default
-     if (defined($def)) { $outpar[9]=$def; $result=9; }
+     if (defined($def)) { $outpar[12]=$def; $result=12; }
  # ------------------------------------------------------ third, check map parms
      my $thisparm=$parmhash{$symbparm};
-     if (defined($thisparm)) { $outpar[8]=$thisparm; $result=8; }
+     if (defined($thisparm)) { $outpar[11]=$thisparm; $result=11; }
      if (defined($$courseopt{$courselevelr})) {
- 	$outpar[7]=$$courseopt{$courselevelr};
+ 	$outpar[10]=$$courseopt{$courselevelr};
- 	$result=7;
+ 	$result=10;
      }
  # ------------------------------------------------------ fourth, back to course
-     if (defined($csec)) {
+     if ($csec ne '') {
          if (defined($$courseopt{$seclevel})) {
- 	    $outpar[6]=$$courseopt{$seclevel};
+ 	    $outpar[9]=$$courseopt{$seclevel};
- 	    $result=6;
+ 	    $result=9;
  	}
          if (defined($$courseopt{$seclevelm})) {
- 	    $outpar[5]=$$courseopt{$seclevelm};
+ 	    $outpar[8]=$$courseopt{$seclevelm};
- 	    $result=5;
+ 	    $result=8;
  	}
          if (defined($$courseopt{$seclevelr})) {
- 	    $outpar[4]=$$courseopt{$seclevelr};
+ 	    $outpar[7]=$$courseopt{$seclevelr};
- 	    $result=4;
+ 	    $result=7;
  	}
      }
+ # ------------------------------------------------------ fifth, check course group
+     if ($cgroup ne '') {
+         if (defined($$courseopt{$grplevel})) {
+             $outpar[6]=$$courseopt{$grplevel};
+             $result=6;
+         }
+         if (defined($$courseopt{$grplevelm})) {
+             $outpar[5]=$$courseopt{$grplevelm};
+             $result=5;
+         }
+         if (defined($$courseopt{$grplevelr})) {
+             $outpar[4]=$$courseopt{$grplevelr};
+             $result=4;
+         }
+     }
  # ---------------------------------------------------------- fifth, check user
-     if (defined($uname)) {
+     if ($uname ne '') {
  	if (defined($$useropt{$courselevel})) {
  	    $outpar[3]=$$useropt{$courselevel};
  	    $result=3;
- Line 240  sub symbcache {
+ Line 266  sub symbcache {
      return $symbs{$id};
  }
+ sub resetrulescache {
+     $rulesid='';
+ }
+ sub rulescache {
+     my $id=shift;
+     if ($rulesid ne $env{'request.course.id'}
+ 	&& !defined($rules{$id})) {
+ 	my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ 	my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+ 	%rules=&Apache::lonnet::dump('parmdefactions',$dom,$crs);
+ 	$rulesid=$env{'request.course.id'};
+     }
+     return $rules{$id};
+ }
+ sub preset_defaults {
+     my $type=shift;
+     if (&rulescache($type.'_action') eq 'default') {
+ # yes, there is something
+ 	return (&rulescache($type.'_hours'),
+ 		&rulescache($type.'_min'),
+ 		&rulescache($type.'_sec'),
+ 		&rulescache($type.'_value'));
+     } else {
+ # nothing there or something else
+ 	return ('','','','','');
+     }
+ }
+ ##################################################
+ sub date_sanity_info {
+    my $checkdate=shift;
+    unless ($checkdate) { return ''; }
+    my $result='';
+    my $crsprefix='course.'.$env{'request.course.id'}.'.';
+    if ($env{$crsprefix.'default_enrollment_end_date'}) {
+       if ($checkdate>$env{$crsprefix.'default_enrollment_end_date'}) {
+          $result.='<br />'.&mt('After course enrollment end!');
+       }
+    }
+    if ($env{$crsprefix.'default_enrollment_start_date'}) {
+       if ($checkdate<$env{$crsprefix.'default_enrollment_start_date'}) {
+          $result.='<br />'.&mt('Before course enrollment start!');
+       }
+    }
+    return $result;
+ }
  ##################################################
  ##################################################
  #
- Line 255  sub symbcache {
+ Line 330  sub symbcache {
  # - userdomain
  sub storeparm {
-     my ($sresid,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec)=@_;
+     my ($sresid,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
-     &storeparm_by_symb(&symbcache($sresid),$spnam,$snum,$nval,$ntype,$uname,$udom,$csec);
+     &storeparm_by_symb(&symbcache($sresid),$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,'',$cgroup);
  }
  #
- Line 271  sub storeparm {
+ Line 346  sub storeparm {
  # - username
  # - userdomain
+ my %recstack;
  sub storeparm_by_symb {
+     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$recflag,$cgroup)=@_;
+     unless ($recflag) {
+ # first time call
+ 	%recstack=();
+ 	$recflag=1;
+     }
+ # store parameter
+     &storeparm_by_symb_inner
+ 	($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup);
+ # don't do anything if parameter was reset
+     unless ($nval) { return; }
+     my ($prefix,$parm)=($spnam=~/^(.*[\_\.])([^\_\.]+)$/);
+ # remember that this was set
+     $recstack{$parm}=1;
+ # what does this trigger?
+     foreach my $triggered (split(/\:/,&rulescache($parm.'_triggers'))) {
+ # don't backfire
+        unless ((!$triggered) || ($recstack{$triggered})) {
+ 	   my $action=&rulescache($triggered.'_action');
+ 	   my ($whichaction,$whichparm)=($action=~/^(.*\_)([^\_]+)$/);
+ # set triggered parameter on same level
+ 	   my $newspnam=$prefix.$triggered;
+ 	   my $newvalue='';
+ 	   my $active=1;
+ 	   if ($action=~/^when\_setting/) {
+ # are there restrictions?
+ 	       if (&rulescache($triggered.'_triggervalue')=~/\w/) {
+ 		   $active=0;
+ 		   foreach my $possiblevalue (split(/\s*\,\s*/,&rulescache($triggered.'_triggervalue'))) {
+ 		       if (lc($possiblevalue) eq lc($nval)) { $active=1; }
+ 		   }
+ 	       }
+ 	       $newvalue=&rulescache($triggered.'_value');
+ 	   } else {
+ 	       my $totalsecs=((&rulescache($triggered.'_days')*24+&rulescache($triggered.'_hours'))*60+&rulescache($triggered.'_min'))*60+&rulescache($triggered.'_sec');
+ 	       if ($action=~/^later\_than/) {
+ 		   $newvalue=$nval+$totalsecs;
+ 	       } else {
+ 		   $newvalue=$nval-$totalsecs;
+ 	       }
+ 	   }
+ 	   if ($active) {
+ 	       &storeparm_by_symb($symb,$newspnam,$snum,$newvalue,&rulescache($triggered.'_type'),
+ 				   $uname,$udom,$csec,$recflag,$cgroup);
+ 	   }
+        }
+     }
+     return '';
+ }
+ sub log_parmset {
+     return &Apache::lonnet::instructor_log('parameterlog',@_);
+ }
+ sub storeparm_by_symb_inner {
  # ---------------------------------------------------------- Get symb, map, etc
-     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec)=@_;
+     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
  # ---------------------------------------------------------- Construct prefixes
      $spnam=~s/\_([^\_]+)$/\.$1/;
      my $map=(&Apache::lonnet::decode_symb($symb))[0];
+     $map = &Apache::lonnet::deversion($map);
      my $symbparm=$symb.'.'.$spnam;
      my $mapparm=$map.'___(all).'.$spnam;
+     my $grplevel=$env{'request.course.id'}.'.['.$cgroup.'].'.$spnam;
+     my $grplevelr=$env{'request.course.id'}.'.['.$cgroup.'].'.$symbparm;
+     my $grplevelm=$env{'request.course.id'}.'.['.$cgroup.'].'.$mapparm;
      my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$spnam;
      my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
      my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
- Line 289  sub storeparm_by_symb {
+ Line 426  sub storeparm_by_symb {
      my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
      my $storeunder='';
-     if (($snum==11) || ($snum==3)) { $storeunder=$courselevel; }
+     if (($snum==14) || ($snum==3)) { $storeunder=$courselevel; }
-     if (($snum==10) || ($snum==2)) { $storeunder=$courselevelm; }
+     if (($snum==13) || ($snum==2)) { $storeunder=$courselevelm; }
-     if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
+     if (($snum==10) || ($snum==1)) { $storeunder=$courselevelr; }
-     if ($snum==6) { $storeunder=$seclevel; }
+     if ($snum==9) { $storeunder=$seclevel; }
-     if ($snum==5) { $storeunder=$seclevelm; }
+     if ($snum==8) { $storeunder=$seclevelm; }
-     if ($snum==4) { $storeunder=$seclevelr; }
+     if ($snum==7) { $storeunder=$seclevelr; }
+     if ($snum==6) { $storeunder=$grplevel; }
+     if ($snum==5) { $storeunder=$grplevelm; }
+     if ($snum==4) { $storeunder=$grplevelr; }
      my $delete;
      if ($nval eq '') { $delete=1;}
- Line 308  sub storeparm_by_symb {
+ Line 449  sub storeparm_by_symb {
  	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  # Expire sheets
  	&Apache::lonnet::expirespread('','','studentcalc');
- 	if (($snum==7) || ($snum==4)) {
+ 	if (($snum==10) || ($snum==7) || ($snum==4)) {
  	    &Apache::lonnet::expirespread('','','assesscalc',$symb);
- 	} elsif (($snum==8) || ($snum==5)) {
+ 	} elsif (($snum==11) || ($snum==8) || ($snum==5)) {
  	    &Apache::lonnet::expirespread('','','assesscalc',$map);
  	} else {
  	    &Apache::lonnet::expirespread('','','assesscalc');
- Line 319  sub storeparm_by_symb {
+ Line 460  sub storeparm_by_symb {
  	if ($delete) {
  	    $reply=&Apache::lonnet::del
  		('resourcedata',[keys(%storecontent)],$cdom,$cnum);
+             &log_parmset(\%storecontent,1);
  	} else {
  	    $reply=&Apache::lonnet::cput
  		('resourcedata',\%storecontent,$cdom,$cnum);
+ 	    &log_parmset(\%storecontent);
  	}
  	&Apache::lonnet::devalidatecourseresdata($cnum,$cdom);
      } else {
- Line 342  sub storeparm_by_symb {
+ Line 485  sub storeparm_by_symb {
  	if ($delete) {
  	    $reply=&Apache::lonnet::del
  		('resourcedata',[keys(%storecontent)],$udom,$uname);
+ 	    &log_parmset(\%storecontent,1,$uname,$udom);
  	} else {
  	    $reply=&Apache::lonnet::cput
  		('resourcedata',\%storecontent,$udom,$uname);
+ 	    &log_parmset(\%storecontent,0,$uname,$udom);
  	}
  	&Apache::lonnet::devalidateuserresdata($uname,$udom);
      }
      if ($reply=~/^error\:(.*)/) {
- 	return "<font color=red>Write Error: $1</font>";
+ 	return "<span class=\"LC_error\">Write Error: $1</span>";
      }
      return '';
  }
- Line 364  sub storeparm_by_symb {
+ Line 509  sub storeparm_by_symb {
  Format a value for output.
- Inputs:  $value, $type
+ Inputs:  $value, $type, $editable
  Returns: $value, formatted for output.  If $type indicates it is a date,
  localtime($value) is returned.
+ $editable will return an icon to click on
  =cut
  ##################################################
  ##################################################
  sub valout {
-     my ($value,$type)=@_;
+     my ($value,$type,$editable)=@_;
      my $result = '';
      # Values of zero are valid.
      if (! $value && $value ne '0') {
- 	$result = '&nbsp;&nbsp;';
+ 	if ($editable) {
+ 	    $result = '<span class="LC_clickhere">*</span>';
+ 	} else {
+ 	    $result='&nbsp;';
+ 	}
      } else {
          if ($type eq 'date_interval') {
              my ($sec,$min,$hour,$mday,$mon,$year)=gmtime($value);
- Line 404  sub valout {
+ Line 554  sub valout {
              }
              $result=~s/\s+$//;
          } elsif (&isdateparm($type)) {
-             $result = localtime($value);
+             $result = &Apache::lonlocal::locallocaltime($value).
+ 		&date_sanity_info($value);
          } else {
              $result = $value;
          }
- Line 440  sub plink {
+ Line 591  sub plink {
              $winvalue=$env{'form.recent_'.(split(/\_/,$type))[0]};
          }
      }
+     my ($parmname)=((split(/\&/,$marker))[1]=~/\_([^\_]+)$/);
+     my ($hour,$min,$sec,$val)=&preset_defaults($parmname);
-     return
+     unless (defined($winvalue)) { $winvalue=$val; }
+     return '<table width="100%"><tr valign="top" align="right"><td><a name="'.$marker.'" /></td></tr><tr><td align="center">'.
  	'<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
- 	    .$marker."','".$return."','".$call."'".');">'.
+ 	    .$marker."','".$return."','".$call."','".$hour."','".$min."','".$sec."'".');">'.
- 		&valout($value,$type).'</a><a name="'.$marker.'"></a>';
+ 		&valout($value,$type,1).'</a></td></tr></table>';
  }
- sub startpage {
+ sub page_js {
-     my $r=shift;
-     my $bodytag=&Apache::loncommon::bodytag('Set/Modify Course Parameters','',
-                                             'onUnload="pclose()"');
-     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Table Mode Parameter Setting');
      my $selscript=&Apache::loncommon::studentbrowser_javascript();
      my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
-     my $html=&Apache::lonxml::xmlbegin();
-     $r->print(<<ENDHEAD);
+     return(<<ENDJS);
- $html
+ <script type="text/javascript">
- <head>
- <title>LON-CAPA Course Parameters</title>
- <script>
      function pclose() {
          parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
- Line 503  $html
+ Line 648  $html
      }
  </script>
  $selscript
- </head>
+ ENDJS
- $bodytag
+ }
+ sub startpage {
+     my ($r) = @_;
+     my %loaditems = ('onunload' => "pclose()",
+ 		     'onload'   => "group_or_section('cgroup')",);
+     my $start_page =
+ 	&Apache::loncommon::start_page('Set/Modify Course Parameters',
+ 				       &page_js(),
+ 				       {'add_entries' => \%loaditems,});
+     my $breadcrumbs =
+ 	&Apache::lonhtmlcommon::breadcrumbs('Table Mode Parameter Setting','Table_Mode');
+     $r->print(<<ENDHEAD);
+ $start_page
  $breadcrumbs
  <form method="post" action="/adm/parmset?action=settable" name="parmform">
- <input type="hidden" value='' name="pres_value">
+ <input type="hidden" value='' name="pres_value" />
- <input type="hidden" value='' name="pres_type">
+ <input type="hidden" value='' name="pres_type" />
- <input type="hidden" value='' name="pres_marker">
+ <input type="hidden" value='' name="pres_marker" />
- <input type="hidden" value='1' name="prevvisit">
+ <input type="hidden" value='1' name="prevvisit" />
  ENDHEAD
  }
  sub print_row {
      my ($r,$which,$part,$name,$symbp,$rid,$default,$defaulttype,$display,$defbgone,
- 	$defbgtwo,$parmlev,$uname,$udom,$csec)=@_;
+ 	$defbgtwo,$defbgthree,$parmlev,$uname,$udom,$csec,$cgroup,$usersgroups)=@_;
+     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
  # get the values for the parameter in cascading order
  # empty levels will remain empty
      my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
- 				  $rid,$$default{$which},$uname,$udom,$csec);
+ 	  $rid,$$default{$which},$uname,$udom,$csec,$cgroup,$courseopt);
  # get the type for the parameters
  # problem: these may not be set for all levels
      my ($typeresult,@typeoutpar)=&parmval($$part{$which}.'.'.
-                                           $$name{$which}.'.type',
+                                           $$name{$which}.'.type',$rid,
- 				  $rid,$$defaulttype{$which},$uname,$udom,$csec);
+ 		 $$defaulttype{$which},$uname,$udom,$csec,$cgroup,$courseopt);
  # cascade down manually
      my $cascadetype=$$defaulttype{$which};
-     for (my $i=11;$i>0;$i--) {
+     for (my $i=14;$i>0;$i--) {
  	 if ($typeoutpar[$i]) {
              $cascadetype=$typeoutpar[$i];
  	} else {
- Line 544  sub print_row {
+ Line 707  sub print_row {
      } else {
          $parm=~s|\[.*\]\s||g;
      }
+     my $automatic=&rulescache(($which=~/\_([^\_]+)$/)[0].'_triggers');
+     if ($automatic) {
+ 	$parm.='<span class="LC_warning"><br />'.&mt('Automatically sets').' '.join(', ',split(/\:/,$automatic)).'</span>';
+     }
      $r->print('<td bgcolor='.$defbgone.'>'.$parm.'</td>');
      my $thismarker=$which;
      $thismarker=~s/^parameter\_//;
      my $mprefix=$rid.'&'.$thismarker.'&';
+     my $effective_parm = &valout($outpar[$result],$typeoutpar[$result]);
+     my ($othergrp,$grp_parm,$controlgrp);
      if ($parmlev eq 'general') {
          if ($uname) {
              &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+         } elsif ($cgroup) {
+             &print_td($r,6,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
          } elsif ($csec) {
-             &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+             &print_td($r,9,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
          } else {
-             &print_td($r,11,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+             &print_td($r,14,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
          }
      } elsif ($parmlev eq 'map') {
          if ($uname) {
              &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+         } elsif ($cgroup) {
+             &print_td($r,5,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
          } elsif ($csec) {
-             &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+             &print_td($r,8,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
          } else {
-             &print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+             &print_td($r,13,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
          }
      } else {
+         if ($uname) {
+             if (@{$usersgroups} > 1) {
+                 my ($coursereply,$grp_parm,$controlgrp);
+                 ($coursereply,$othergrp,$grp_parm,$controlgrp) =
+                     &print_usergroups($r,$$part{$which}.'.'.$$name{$which},
+                        $rid,$cgroup,$defbgone,$usersgroups,$result,$courseopt);
+                 if ($coursereply && $result > 3) {
+                     if (defined($controlgrp)) {
+                         if ($cgroup ne $controlgrp) {
+                             $effective_parm = $grp_parm;
+                             $result = 0;
+                         }
+                     }
+                 }
+             }
+         }
-         &print_td($r,11,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+         &print_td($r,14,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+ 	&print_td($r,13,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+ 	&print_td($r,12,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+ 	&print_td($r,11,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  	&print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
- 	&print_td($r,9,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
- 	&print_td($r,8,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
- 	&print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  	if ($csec) {
- 	    &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+ 	    &print_td($r,9,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
- 	    &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+ 	    &print_td($r,8,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
- 	    &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+ 	    &print_td($r,7,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  	}
+         if ($cgroup) {
+             &print_td($r,6,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+             &print_td($r,5,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+             &print_td($r,4,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+         }
  	if ($uname) {
+             if ($othergrp) {
+                 $r->print($othergrp);
+             }
  	    &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  	    &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  	    &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  	}
      } # end of $parmlev if/else
+     $r->print('<td bgcolor="#CCCCFF" align="center">'.$effective_parm.'</td>');
-     $r->print('<td bgcolor=#CCCCFF align="center">'.
-                   &valout($outpar[$result],$typeoutpar[$result]).'</td>');
      if ($parmlev eq 'full') {
          my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
                                          '.'.$$name{$which},$$symbp{$rid});
          my $sessionvaltype=$typeoutpar[$result];
          if (!defined($sessionvaltype)) { $sessionvaltype=$$defaulttype{$which}; }
-         $r->print('<td bgcolor=#999999 align="center"><font color=#FFFFFF>'.
+         $r->print('<td bgcolor="#999999" align="center"><font color="#FFFFFF">'.
                    &valout($sessionval,$sessionvaltype).'&nbsp;'.
                    '</font></td>');
      }
- Line 611  sub print_td {
+ Line 807  sub print_td {
      my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$typeoutpar,$display)=@_;
      $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).
                ' align="center">');
-     if ($which<8 || $which > 9) {
+     if ($which<11 || $which > 12) {
  	$r->print(&plink($$typeoutpar[$which],
  			 $$display{$value},$$outpar[$which],
  			 $mprefix."$which",'parmform.pres','psub'));
- Line 621  sub print_td {
+ Line 817  sub print_td {
      $r->print('</td>'."\n");
  }
+ sub print_usergroups {
+     my ($r,$what,$rid,$cgroup,$defbg,$usersgroups,$result,$courseopt) = @_;
+     my $courseid = $env{'request.course.id'};
+     my $output;
+     my $symb = &symbcache($rid);
+     my $symbparm=$symb.'.'.$what;
+     my $map=(&Apache::lonnet::decode_symb($symb))[0];
+     my $mapparm=$map.'___(all).'.$what;
+     my ($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype) =
+           &parm_control_group($courseid,$usersgroups,$symbparm,$mapparm,$what,
+                                                                    $courseopt);
+     my $bgcolor = $defbg;
+     my $grp_parm;
+     if (($coursereply) && ($cgroup ne $resultgroup)) {
+         if ($result > 3) {
+             $bgcolor = '"#AAFFAA"';
+             $grp_parm = &valout($coursereply,$resulttype);
+         }
+         $grp_parm = &valout($coursereply,$resulttype);
+         $output = '<td bgcolor='.$bgcolor.' align="center">';
+         if ($resultgroup && $resultlevel) {
+             $output .= '<small><b>'.$resultgroup.'</b> ('.$resultlevel.'): </small>'.$grp_parm;
+         } else {
+             $output .= '&nbsp;';
+         }
+         $output .= '</td>';
+     } else {
+         $output .= '<td bgcolor='.$bgcolor.'>&nbsp;</td>';
+     }
+     return ($coursereply,$output,$grp_parm,$resultgroup);
+ }
+ sub parm_control_group {
+     my ($courseid,$usersgroups,$symbparm,$mapparm,$what,$courseopt) = @_;
+     my ($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
+     my $grpfound = 0;
+     my @levels = ($symbparm,$mapparm,$what);
+     my @levelnames = ('resource','map/folder','general');
+     foreach my $group (@{$usersgroups}) {
+         if ($grpfound) { last; }
+         for (my $i=0; $i<@levels; $i++) {
+             my $item = $courseid.'.['.$group.'].'.$levels[$i];
+             if (defined($$courseopt{$item})) {
+                 $coursereply = $$courseopt{$item};
+                 $resultitem = $item;
+                 $resultgroup = $group;
+                 $resultlevel = $levelnames[$i];
+                 $resulttype = $$courseopt{$item.'.type'};
+                 $grpfound = 1;
+                 last;
+             }
+         }
+     }
+     return($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
+ }
  =pod
- Line 813  sub parmmenu {
+ Line 1064  sub parmmenu {
  </script>
  ENDSCRIPT
      $r->print();
-     $r->print("\n<table><tr>");
+     $r->print("\n<table id=\"LC_parm_overview_parm_menu\"><tr>");
      my $cnt=0;
      foreach $tempkey (&keysindisplayorder($allparms,$keyorder)) {
- 	$r->print("\n<td><font size='-1'><input type='checkbox' name='pscat' ");
+ 	$r->print("\n<td><label><input type='checkbox' name='pscat' ");
  	$r->print('value="'.$tempkey.'"');
  	if ($$pscat[0] eq "all" || grep $_ eq $tempkey, @{$pscat}) {
  	    $r->print(' checked');
  	}
- 	$r->print('>'.$$allparms{$tempkey}.'</font></td>');
+ 	$r->print('>'.$$allparms{$tempkey}.'</label></td>');
   	$cnt++;
          if ($cnt==3) {
  	    $r->print("</tr>\n<tr>");
- Line 829  ENDSCRIPT
+ Line 1080  ENDSCRIPT
  	}
      }
      $r->print('
- </tr><tr><td>
+ </tr><tr id=\"LC_parm_overview_parm_menu_selectors\"><td>
- <a href="javascript:checkall(true, \'pscat\')">Select All</a><br />
+ <a href="javascript:checkall(true, \'pscat\')">Select&nbsp;All</a><br />
- <a href="javascript:checkstandard()">Select Common Only</a>
+ <a href="javascript:checkstandard()">Select&nbsp;Common&nbsp;Only</a>
  </td><td>
- <a href="javascript:checkdates()">Add Problem Dates</a>
+ <a href="javascript:checkdates()">Add&nbsp;Problem&nbsp;Dates</a>
- <a href="javascript:checkcontdates()">Add Content Dates</a><br />
+ <a href="javascript:checkcontdates()">Add&nbsp;Content&nbsp;Dates</a><br />
- <a href="javascript:checkdisset()">Add Discussion Settings</a>
+ <a href="javascript:checkdisset()">Add&nbsp;Discussion&nbsp;Settings</a>
- <a href="javascript:checkvisi()">Add Visibilities</a><br />
+ <a href="javascript:checkvisi()">Add&nbsp;Visibilities</a><br />
- <a href="javascript:checkparts()">Add Part Parameters</a>
+ <a href="javascript:checkparts()">Add&nbsp;Part&nbsp;Parameters</a>
  </td><td>
- <a href="javascript:checkall(false, \'pscat\')">Unselect All</a>
+ <a href="javascript:checkall(false, \'pscat\')">Unselect&nbsp;All</a>
  </td>
  ');
      $r->print('</tr></table>');
- Line 853  sub partmenu {
+ Line 1104  sub partmenu {
      $r->print('>'.&mt('All Parts').'</option>');
      my %temphash=();
      foreach (@{$psprt}) { $temphash{$_}=1; }
-     foreach my $tempkey (sort keys %{$allparts}) {
+     foreach my $tempkey (sort {
+ 	if ($a==$b) { return ($a cmp $b) } else { return ($a <=> $b); }
+     } keys(%{$allparts})) {
  	unless ($tempkey =~ /\./) {
  	    $r->print('<option value="'.$tempkey.'"');
  	    if ($$psprt[0] eq "all" ||  $temphash{$tempkey}) {
- Line 866  sub partmenu {
+ Line 1119  sub partmenu {
  }
  sub usermenu {
-     my ($r,$uname,$id,$udom,$csec)=@_;
+     my ($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,$usersgroups)=@_;
      my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
          &Apache::loncommon::selectstudent_link('parmform','uname','udom');
      my $selscript=&Apache::loncommon::studentbrowser_javascript();
      my %lt=&Apache::lonlocal::texthash(
- 		    'sg'    => "Section/Group",
+ 		    'se'    => "Section",
+                     'gr'    => "Group",
  		    'fu'    => "For User",
  		    'oi'    => "or ID",
  		    'ad'    => "at Domain"
  				       );
-     my %sectionhash=();
      my $sections='';
-     if (&Apache::loncommon::get_sections(
+     my %sectionhash = &Apache::loncommon::get_sections();
-                  $env{'course.'.$env{'request.course.id'}.'.domain'},
-                  $env{'course.'.$env{'request.course.id'}.'.num'},
+     my $groups;
- 					 \%sectionhash)) {
+     my %grouphash = &Apache::longroup::coursegroups();
-         $sections=$lt{'sg'}.': <select name="csec">';
- 	foreach ('',sort keys %sectionhash) {
+     if (%sectionhash) {
- 	    $sections.='<option value="'.$_.'"'.
+         $sections=$lt{'se'}.': <select name="csec"';
- 		($_ eq $csec?'selected="selected"':'').'>'.$_.'</option>';
+         if (%grouphash && $parmlev ne 'full') {
+             $sections .= qq| onchange="group_or_section('csec')" |;
+         }
+         $sections .= '>';
+ 	foreach my $section ('',sort keys %sectionhash) {
+ 	    $sections.='<option value="'.$section.'" '.
+ 		($section eq $csec?'selected="selected"':'').'>'.$section.
+                                                               '</option>';
          }
          $sections.='</select>';
-      }
+     }
-      $r->print(<<ENDMENU);
+     if (%sectionhash && %grouphash && $parmlev ne 'full') {
+         $sections .= '&nbsp;or&nbsp;';
+         $sections .= qq|
+ <script type="text/javascript">
+ function group_or_section(caller) {
+    if (caller == "cgroup") {
+        if (document.parmform.cgroup.selectedIndex != 0) {
+            document.parmform.csec.selectedIndex = 0;
+        }
+    } else {
+        if (document.parmform.csec.selectedIndex != 0) {
+            document.parmform.cgroup.selectedIndex = 0;
+        }
+    }
+ }
+ </script>
+ |;
+     } else {
+         $sections .= qq|
+ <script type="text/javascript">
+ function group_or_section(caller) {
+     return;
+ }
+ </script>
+ |;
+     }
+     if (%grouphash) {
+         $groups=$lt{'gr'}.': <select name="cgroup"';
+         if (%sectionhash && $env{'form.action'} eq 'settable') {
+             $groups .= qq| onchange="group_or_section('cgroup')" |;
+         }
+         $groups .= '>';
+         foreach my $grp ('',sort keys %grouphash) {
+             $groups.='<option value="'.$grp.'" ';
+             if ($grp eq $cgroup) {
+                 unless ((defined($uname)) && ($grp eq '')) {
+                     $groups .=  'selected="selected" ';
+                 }
+             } elsif (!defined($cgroup)) {
+                 if (@{$usersgroups} == 1) {
+                     if ($grp eq $$usersgroups[0]) {
+                         $groups .=  'selected="selected" ';
+                     }
+                 }
+             }
+             $groups .= '>'.$grp.'</option>';
+         }
+         $groups.='</select>';
+     }
+     $r->print(<<ENDMENU);
  <b>
  $sections
+ $groups
  <br />
  $lt{'fu'}
  <input type="text" value="$uname" size="12" name="uname" />
- Line 915  sub displaymenu {
+ Line 1226  sub displaymenu {
  sub mapmenu {
      my ($r,$allmaps,$pschp,$maptitles)=@_;
-     $r->print(&mt('Select Enclosing Map or Folder').' ');
+     $r->print('<b>'.&mt('Select Enclosing Map or Folder').'</b> ');
      $r->print('<select name="pschp">');
      $r->print('<option value="all">'.&mt('All Maps or Folders').'</option>');
      foreach (sort {$$allmaps{$a} cmp $$allmaps{$b}} keys %{$allmaps}) {
- Line 928  sub mapmenu {
+ Line 1239  sub mapmenu {
  sub levelmenu {
      my ($r,$alllevs,$parmlev)=@_;
-     $r->print(&mt('Select Parameter Level').
+     $r->print('<b>'.&mt('Select Parameter Level').
- 	      &Apache::loncommon::help_open_topic('Course_Parameter_Levels').' ');
+ 	      &Apache::loncommon::help_open_topic('Course_Parameter_Levels').'</b> ');
      $r->print('<select name="parmlev">');
      foreach (reverse sort keys %{$alllevs}) {
  	$r->print('<option value="'.$$alllevs{$_}.'"');
- Line 944  sub levelmenu {
+ Line 1255  sub levelmenu {
  sub sectionmenu {
      my ($r,$selectedsections)=@_;
-     my %sectionhash=();
+     my %sectionhash = &Apache::loncommon::get_sections();
+     return if (!%sectionhash);
-     if (&Apache::loncommon::get_sections(
+     $r->print('<select name="Section" multiple="true" size="8" >');
-                  $env{'course.'.$env{'request.course.id'}.'.domain'},
+     foreach my $s ('all',sort keys %sectionhash) {
-                  $env{'course.'.$env{'request.course.id'}.'.num'},
+ 	$r->print('    <option value="'.$s.'"');
- 					 \%sectionhash)) {
+ 	foreach (@{$selectedsections}) {
- 	$r->print('<select name="Section" multiple="true" size="8" >');
+ 	    if ($s eq $_) {
- 	foreach my $s ('all',sort keys %sectionhash) {
+ 		$r->print(' selected');
- 	    $r->print('    <option value="'.$s.'"');
+ 		last;
- 	    foreach (@{$selectedsections}) {
- 		if ($s eq $_) {
- 		    $r->print(' selected');
- 		    last;
- 		}
  	    }
- 	    $r->print('>'.$s."</option>\n");
  	}
- 	$r->print("</select>\n");
+ 	$r->print('>'.$s."</option>\n");
      }
+     $r->print("</select>\n");
  }
+ sub groupmenu {
+     my ($r,$selectedgroups)=@_;
+     my %grouphash = &Apache::longroup::coursegroups();
+     return if (!%grouphash);
+     $r->print('<select name="Group" multiple="true" size="8" >');
+     foreach my $group (sort(keys(%grouphash))) {
+ 	$r->print('    <option value="'.$group.'"');
+ 	foreach (@{$selectedgroups}) {
+ 	    if ($group eq $_) {
+ 		$r->print(' selected');
+ 		last;
+ 	    }
+ 	}
+ 	$r->print('>'.$group."</option>\n");
+     }
+     $r->print("</select>\n");
+ }
  sub keysplit {
      my $keyp=shift;
      return (split(/\,/,$keyp));
- Line 977  sub keysinorder {
+ Line 1304  sub keysinorder {
      } (keys %{$name});
  }
+ sub keysinorder_bytype {
+     my ($name,$keyorder)=@_;
+     return sort {
+ 	my $ta=(split('_',$a))[-1];
+ 	my $tb=(split('_',$b))[-1];
+ 	if ($$keyorder{'parameter_0_'.$ta} == $$keyorder{'parameter_0_'.$tb}) {
+ 	    return ($a cmp $b);
+ 	}
+ 	$$keyorder{'parameter_0_'.$ta} <=> $$keyorder{'parameter_0_'.$tb};
+     } (keys %{$name});
+ }
  sub keysindisplayorder {
      my ($name,$keyorder)=@_;
      return sort {
- Line 986  sub keysindisplayorder {
+ Line 1325  sub keysindisplayorder {
  sub sortmenu {
      my ($r,$sortorder)=@_;
-     $r->print('<br /><input type="radio" name="sortorder" value="realmstudent"');
+     $r->print('<br /><label><input type="radio" name="sortorder" value="realmstudent"');
      if ($sortorder eq 'realmstudent') {
         $r->print(' checked="on"');
      }
      $r->print(' />'.&mt('Sort by realm first, then student (group/section)'));
-     $r->print('<br /><input type="radio" name="sortorder" value="studentrealm"');
+     $r->print('</label><br /><label><input type="radio" name="sortorder" value="studentrealm"');
      if ($sortorder eq 'studentrealm') {
         $r->print(' checked="on"');
      }
-     $r->print(' />'.&mt('Sort by student (group/section) first, then realm'));
+     $r->print(' />'.&mt('Sort by student (group/section) first, then realm').
+ 	      '</label>');
  }
  sub standardkeyorder {
- Line 1072  sub assessparms {
+ Line 1412  sub assessparms {
      my $udom;
      my $uhome;
      my $csec;
+     my $cgroup;
+     my @usersgroups = ();
      my $coursename=$env{'course.'.$env{'request.course.id'}.'.description'};
- Line 1093  sub assessparms {
+ Line 1435  sub assessparms {
      my $message='';
      $csec=$env{'form.csec'};
+     $cgroup=$env{'form.cgroup'};
      if      ($udom=$env{'form.udom'}) {
      } elsif ($udom=$env{'request.role.domain'}) {
- Line 1141  sub assessparms {
+ Line 1484  sub assessparms {
  	    $id='';
  	} else {
  	    $message=
- 		"<font color=red>".&mt("Unknown ID")." '$id' ".
+ 		'<span class="LC_error">'.&mt("Unknown ID")." '$id' ".
- 		&mt('at domain')." '$udom'</font>";
+ 		&mt('at domain')." '$udom'</span>";
  	}
      } else {
  	$uname=$env{'form.uname'};
- Line 1153  sub assessparms {
+ Line 1496  sub assessparms {
  	$uhome=&Apache::lonnet::homeserver($uname,$udom);
          if ($uhome eq 'no_host') {
  	    $message=
- 		"<font color=red>".&mt("Unknown user")." '$uname' ".
+ 		'<span class="LC_error">'.&mt("Unknown user")." '$uname' ".
- 		&mt("at domain")." '$udom'</font>";
+ 		&mt("at domain")." '$udom'</span>";
  	    $uname='';
          } else {
  	    $csec=&Apache::lonnet::getsection($udom,$uname,
  					      $env{'request.course.id'});
  	    if ($csec eq '-1') {
- 		$message="<font color=red>".
+ 		$message='<span class="LC_error">'.
  		    &mt("User")." '$uname' ".&mt("at domain")." '$udom' ".
- 		    &mt("not in this course")."</font>";
+ 		    &mt("not in this course")."</span>";
  		$uname='';
  		$csec=$env{'form.csec'};
+                 $cgroup=$env{'form.cgroup'};
  	    } else {
  		my %name=&Apache::lonnet::userenvironment($udom,$uname,
  		      ('firstname','middlename','lastname','generation','id'));
  		$message="\n<p>\n".&mt("Full Name").": ".
  		    $name{'firstname'}.' '.$name{'middlename'}.' '
  			.$name{'lastname'}.' '.$name{'generation'}.
- 			    "<br>\n".&mt('ID').": ".$name{'id'}.'<p>';
+ 			    "<br />\n".&mt('ID').": ".$name{'id'}.'<p>';
  	    }
+             @usersgroups = &Apache::lonnet::get_users_groups(
+                                        $udom,$uname,$env{'request.course.id'});
+             if (@usersgroups > 0) {
+                 unless (grep(/^\Q$cgroup\E$/,@usersgroups)) {
+                     $cgroup = $usersgroups[0];
+                 }
+             }
          }
      }
      unless ($csec) { $csec=''; }
+     unless ($cgroup) { $cgroup=''; }
  # --------------------------------------------------------- Get all assessments
      &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps,
- Line 1195  sub assessparms {
+ Line 1548  sub assessparms {
  	    $message.=&storeparm(split(/\&/,$markers[$i]),
  				 $values[$i],
  				 $types[$i],
- 				 $uname,$udom,$csec);
+ 				 $uname,$udom,$csec,$cgroup);
  	}
  # ---------------------------------------------------------------- Done storing
  	$message.='<h3>'.&mt('Changes can take up to 10 minutes before being active for all students.').&Apache::loncommon::help_open_topic('Caching').'</h3>';
- Line 1211  sub assessparms {
+ Line 1564  sub assessparms {
      foreach ('tolerance','date_default','date_start','date_end',
  	     'date_interval','int','float','string') {
  	$r->print('<input type="hidden" value="'.
- 		  $env{'form.recent_'.$_}.'" name="recent_'.$_.'">');
+ 		  $env{'form.recent_'.$_}.'" name="recent_'.$_.'" />');
      }
      if (!$pssymb) {
- Line 1226  sub assessparms {
+ Line 1579  sub assessparms {
  	&displaymenu($r,\%allparms,\%allparts,\@pscat,\@psprt,\%keyorder);
      } else {
          my ($map,$id,$resource)=&Apache::lonnet::decode_symb($pssymb);
-         $r->print(&mt('Specific Resource').": ".$resource.
+ 	my $title = &Apache::lonnet::gettitle($pssymb);
-                   '<input type="hidden" value="'.$pssymb.'" name="symb"><br />');
+         $r->print(&mt('Specific Resource: [_1] ([_2])',$title,$resource).
+                   '<input type="hidden" value="'.$pssymb.'" name="symb" />'.
+ 		  '<br /><label><b>'.&mt('Show all parts').': <input type="checkbox" name="psprt" value="all"'.
+ 		  ($env{'form.psprt'}?' checked="checked"':'').' /></b></label><br />');
      }
-     &usermenu($r,$uname,$id,$udom,$csec);
+     &usermenu($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,\@usersgroups);
      $r->print('<p>'.$message.'</p>');
- Line 1251  sub assessparms {
+ Line 1607  sub assessparms {
          if ($parmlev eq 'full') {
             my $coursespan=$csec?8:5;
+            my $userspan=3;
+            if ($cgroup ne '') {
+               $coursespan += 3;
+            }
             $r->print('<p><table border=2>');
             $r->print('<tr><td colspan=5></td>');
             $r->print('<th colspan='.($coursespan).'>'.&mt('Any User').'</th>');
             if ($uname) {
-                $r->print("<th colspan=3 rowspan=2>");
+                if (@usersgroups > 1) {
+                    $userspan ++;
+                }
+                $r->print('<th colspan="'.$userspan.'" rowspan="2">');
                 $r->print(&mt("User")." $uname ".&mt('at Domain')." $udom</th>");
             }
  	   my %lt=&Apache::lonlocal::texthash(
- Line 1277  sub assessparms {
+ Line 1641  sub assessparms {
  					      );
             $r->print(<<ENDTABLETWO);
  <th rowspan=3>$lt{'pie'}</th>
- <th rowspan=3>$lt{'csv'}<br>($csuname $lt{'at'} $csudom)</th>
+ <th rowspan=3>$lt{'csv'}<br />($csuname $lt{'at'} $csudom)</th>
  </tr><tr><td colspan=5></td><th colspan=2>$lt{'ic'}</th><th colspan=2>$lt{'rl'}</th>
  <th colspan=1>$lt{'ic'}</th>
  ENDTABLETWO
             if ($csec) {
                  $r->print("<th colspan=3>".
- 			  &mt("in Section/Group")." $csec</th>");
+ 			  &mt("in Section")." $csec</th>");
+            }
+            if ($cgroup) {
+                 $r->print("<th colspan=3>".
+                           &mt("in Group")." $cgroup</th>");
             }
             $r->print(<<ENDTABLEHEADFOUR);
  </tr><tr><th>$lt{'aut'}</th><th>$lt{'type'}</th>
- Line 1297  ENDTABLEHEADFOUR
+ Line 1665  ENDTABLEHEADFOUR
                 $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
             }
+            if ($cgroup) {
+                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
+            }
             if ($uname) {
+                if (@usersgroups > 1) {
+                    $r->print('<th>'.&mt('Control by other group?').'</th>');
+                }
                 $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
             }
- Line 1305  ENDTABLEHEADFOUR
+ Line 1680  ENDTABLEHEADFOUR
             my $defbgone='';
             my $defbgtwo='';
+            my $defbgthree = '';
             foreach (@ids) {
- Line 1326  ENDTABLEHEADFOUR
+ Line 1702  ENDTABLEHEADFOUR
                      } else {
                          $defbgtwo='"#FFFF99"';
                      }
+                     if ($defbgthree eq '"#FFBB99"') {
+                         $defbgthree='"#FFBBDD"';
+                     } else {
+                         $defbgthree='"#FFBB99"';
+                     }
                      my $thistitle='';
                      my %name=   ();
                      undef %name;
- Line 1351  ENDTABLEHEADFOUR
+ Line 1733  ENDTABLEHEADFOUR
                      my $totalparms=scalar keys %name;
                      if ($totalparms>0) {
                          my $firstrow=1;
- 			my $title=&Apache::lonnet::gettitle($uri);
+ 			my $title=&Apache::lonnet::gettitle($symbp{$rid});
                          $r->print('<tr><td bgcolor='.$defbgone.
                               ' rowspan='.$totalparms.
                               '><tt><font size=-1>'.
                               join(' / ',split(/\//,$uri)).
                               '</font></tt><p><b>'.
                               "<a href=\"javascript:openWindow('".
- 				  &Apache::lonnet::clutter($uri).
+ 				  &Apache::lonnet::clutter($uri).'?symb='.
-                              "', 'metadatafile', '450', '500', 'no', 'yes')\";".
+ 				  &escape($symbp{$rid}).
-                              " TARGET=_self>$title");
+                              "', 'metadatafile', '450', '500', 'no', 'yes');\"".
+                              " target=\"_self\">$title");
                          if ($thistitle) {
                              $r->print(' ('.$thistitle.')');
- Line 1372  ENDTABLEHEADFOUR
+ Line 1755  ENDTABLEHEADFOUR
                          $r->print('<td bgcolor='.$defbgone.
                                        ' rowspan='.$totalparms.
-                                       '><tt><font size=-1>');
+                                       '>'.$maptitles{$mapp{$rid}}.'</td>');
-                         $r->print(' / res / ');
+                         foreach (&keysinorder_bytype(\%name,\%keyorder)) {
-                         $r->print(join(' / ', split(/\//,$mapp{$rid})));
-                         $r->print('</font></tt></td>');
-                         foreach (&keysinorder(\%name,\%keyorder)) {
                              unless ($firstrow) {
                                  $r->print('<tr>');
                              } else {
                                  undef $firstrow;
                              }
                              &print_row($r,$_,\%part,\%name,\%symbp,$rid,\%default,
                                         \%type,\%display,$defbgone,$defbgtwo,
-                                        $parmlev,$uname,$udom,$csec);
+                                        $defbgthree,$parmlev,$uname,$udom,$csec,
+                                                             $cgroup,\@usersgroups);
                          }
                      }
                  }
- Line 1400  ENDTABLEHEADFOUR
+ Line 1778  ENDTABLEHEADFOUR
          if ($parmlev eq 'map') {
              my $defbgone = '"E0E099"';
              my $defbgtwo = '"FFFF99"';
+             my $defbgthree = '"FFBB99"';
              my %maplist;
- Line 1471  Set Defaults for All Resources in $folde
+ Line 1850  Set Defaults for All Resources in $folde
  Specifically for
  ENDMAPONE
                  if ($uname) {
-                     my %name=&Apache::lonnet::userenvironment($udom,$uname,
+ 		    my $person=&Apache::loncommon::plainname($uname,$udom);
-                       ('firstname','middlename','lastname','generation', 'id'));
-                     my $person=$name{'firstname'}.' '.$name{'middlename'}.' '
-                            .$name{'lastname'}.' '.$name{'generation'};
                      $r->print(&mt("User")." <font color=\"red\"><i>$uname \($person\) </i></font> ".
                          &mt('in')." \n");
                  } else {
                      $r->print("<font color=\"red\"><i>".&mt('all').'</i></font> '.&mt('users in')." \n");
                  }
+                 if ($cgroup) {
-                 if ($csec) {$r->print(&mt("Section")." <font color=\"red\"><i>$csec</i></font> ".
+                     $r->print(&mt("Group")." <font color=\"red\"><i>$cgroup".
- 				      &mt('of')." \n")};
+                               "</i></font> ".&mt('of')." \n");
+                     $csec = '';
+                 } elsif ($csec) {
+                     $r->print(&mt("Section")." <font color=\"red\"><i>$csec".
+                               "</i></font> ".&mt('of')." \n");
+                 }
                  $r->print("<font color=\"red\"><i>$coursename</i></font><br />");
                  $r->print("</h4>\n");
  #---------------------------------------------------------------- print table
- Line 1495  ENDMAPONE
+ Line 1875  ENDMAPONE
  	        foreach (&keysinorder(\%name,\%keyorder)) {
                      $r->print('<tr>');
                      &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
-                            \%type,\%display,$defbgone,$defbgtwo,
+                            \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
-                            $parmlev,$uname,$udom,$csec);
+                            $parmlev,$uname,$udom,$csec,$cgroup);
                  }
                  $r->print("</table></center>");
              } # end each map
- Line 1505  ENDMAPONE
+ Line 1885  ENDMAPONE
          if ($parmlev eq 'general') {
              my $defbgone = '"E0E099"';
              my $defbgtwo = '"FFFF99"';
+             my $defbgthree = '"FFBB99"';
  #-------------------------------------------- for each map, gather information
              my $mapid="0.0";
- Line 1552  ENDMAPONE
+ Line 1933  ENDMAPONE
  <font color="red"><i>$coursename</i></font><br />
  ENDMAPONE
              if ($uname) {
-                 my %name=&Apache::lonnet::userenvironment($udom,$uname,
+ 		my $person=&Apache::loncommon::plainname($uname,$udom);
-                   ('firstname','middlename','lastname','generation', 'id'));
-                 my $person=$name{'firstname'}.' '.$name{'middlename'}.' '
-                        .$name{'lastname'}.' '.$name{'generation'};
                  $r->print(" ".&mt("User")."<font color=\"red\"> <i>$uname \($person\) </i></font> \n");
              } else {
                  $r->print("<i><font color=\"red\"> ".&mt("ALL")."</i> ".&mt("USERS")."</font> \n");
              }
              if ($csec) {$r->print(&mt("Section")."<font color=\"red\"> <i>$csec</i></font>\n")};
+             if ($cgroup) {$r->print(&mt("Group")."<font color=\"red\"> <i>$cgroup</i></font>\n")};
              $r->print("</h4>\n");
  #---------------------------------------------------------------- print table
              $r->print('<p><table border="2">');
- Line 1572  ENDMAPONE
+ Line 1951  ENDMAPONE
  	    foreach (&keysinorder(\%name,\%keyorder)) {
                  $r->print('<tr>');
                  &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
-                        \%type,\%display,$defbgone,$defbgtwo,$parmlev,$uname,$udom,$csec);
+                        \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
+                                    $parmlev,$uname,$udom,$csec,$cgroup);
              }
              $r->print("</table></center>");
          } # end of $parmlev eq general
      }
-     $r->print('</form></body></html>');
+     $r->print('</form>'.&Apache::loncommon::end_page());
  } # end sub assessparms
- Line 1602  Returns: nothing
+ Line 1982  Returns: nothing
  sub crsenv {
      my $r=shift;
      my $setoutput='';
-     my $bodytag=&Apache::loncommon::bodytag(
-                              'Set Course Environment Parameters');
+     my $breadcrumbs =
-     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,
+ 	&Apache::lonhtmlcommon::breadcrumbs('Edit Course Environment');
- 						    'Edit Course Environment');
      my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
      my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
- Line 1628  sub crsenv {
+ Line 2007  sub crsenv {
                  ('environment',
                   {'top level map backup '.$bkuptime => $tmp[1] },
                   $dom,$crs).
-                      '<br>';
+                      '<br />';
          }
          #
          # Deal with modified default spreadsheets
- Line 1669  sub crsenv {
+ Line 2048  sub crsenv {
          #
          # Let the user know we made the changes
          if ($name && defined($value)) {
+             my $failed_cloners;
              if ($name eq 'cloners') {
+                 $value =~ s/\s//g;
                  $value =~ s/^,//;
                  $value =~ s/,$//;
+                 # check requested clones are valid users.
+                 $failed_cloners = &check_cloners(\$value,\@oldcloner);
              }
              my $put_result = &Apache::lonnet::put('environment',
                                                    {$name=>$value},$dom,$crs);
- Line 1688  sub crsenv {
+ Line 2071  sub crsenv {
                  $setoutput.=&mt('Unable to set').' <b>'.$name.'</b> '.&mt('to').
  		    ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
              }
+             if (($name eq 'cloners') && ($failed_cloners)) {
+                 $setoutput.= &mt('Unable to include').' - <b>'.$failed_cloners.'</b>, '.
+                  &mt('reason').' - '.&mt('LON-CAPA user(s) do(es) not exist').
+                  '.<br />'.&mt('Please ').
+                  ' <a href="/adm/createuser">'.
+                  &mt('add the user(s)').'</a>, '.
+                  &mt('and then return to the ').
+                  '<a href="/admparmset?action=crsenv">'.
+                  &mt('Course Parameters page').'</a> '.
+                  &mt('to add the new user(s) to the list of possible cloners').
+                  '.<br />';
+             }
          }
      }
+     my $start_table     =&Apache::loncommon::start_data_table();
+     my $start_header_row=&Apache::loncommon::start_data_table_header_row();
+     my $end_header_row  =&Apache::loncommon::end_data_table_header_row();
  # ------------------------- Re-init course environment entries for this session
-     &Apache::lonnet::coursedescription($env{'request.course.id'});
+     &Apache::lonnet::coursedescription($env{'request.course.id'},
+ 				       {'freshen_cache' => 1});
  # -------------------------------------------------------- Get parameters again
- Line 1705  sub crsenv {
+ Line 2105  sub crsenv {
  	    ('url'            => '<b>'.&mt('Top Level Map').'</b> '.
                                   '<a href="javascript:openbrowser'.
                                   "('envform','url','sequence')\">".
-                                  &mt('Select Map').'</a><br /><font color=red> '.
+                                  &mt('Select Map').'</a><br /><span class="LC_warning"> '.
                                   &mt('Modification may make assessment data inaccessible').
-                                  '</font>',
+                                  '</span>',
               'description'    => '<b>'.&mt('Course Description').'</b>',
               'courseid'       => '<b>'.&mt('Course ID or number').
                                   '</b><br />'.
- Line 1718  sub crsenv {
+ Line 2118  sub crsenv {
               'default_xml_style' => '<b>'.&mt('Default XML Style File').'</b> '.
                      '<a href="javascript:openbrowser'.
                      "('envform','default_xml_style'".
-                     ",'sty')\">$SelectStyleFile</a><br>",
+                     ",'sty')\">$SelectStyleFile</a><br />",
               'question.email' => '<b>'.&mt('Feedback Addresses for Resource Content Question').
                                   '</b><br />(<tt>user:domain,'.
                                   'user:domain(section;section;...;*;...),...</tt>)',
+              'question.email.text' => '<b>'.&mt('Custom Text for Resource Content Question Option in Feedback').
+                                  '</b>',
               'comment.email'  => '<b>'.&mt('Feedback Addresses for Course Content Comments').'</b><br />'.
                                   '(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
+              'comment.email.text' => '<b>'.&mt('Custom Text for Course Content Option in Feedback').
+                                  '</b>',
               'policy.email'   => '<b>'.&mt('Feedback Addresses for Course Policy').'</b>'.
                                   '<br />(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
+              'policy.email.text' => '<b>'.&mt('Custom Text for Course Policy Option in Feedback').
+                                  '</b>',
               'hideemptyrows'  => '<b>'.&mt('Hide Empty Rows in Spreadsheets').'</b><br />'.
                                   '('.&mt('"[_1]" for default hiding','<tt>yes</tt>').')',
               'pageseparators'  => '<b>'.&mt('Visibly Separate Items on Pages').'</b><br />'.
- Line 1771  sub crsenv {
+ Line 2177  sub crsenv {
  	         => '<b>'.&mt('Allow limited HTML in discussion posts').'</b><br />'.
  	            '('.&mt('Set value to "[_1]" to allow',"<tt>yes</tt>").')',
               'allow_discussion_post_editing'
-                  => '<b>'.&mt('Allow users to edit/delete their own discussion posts').'</b><br />'.
+                  => '<b>'.&mt('Allow users with specified roles to edit/delete their own discussion posts').'</b><br />"<tt>st</tt>": '.
-                     '('.&mt('Set value to "[_1]" to allow',"<tt>yes</tt>").')',
+                                   &mt('student').', "<tt>ta</tt>": '.
+                                   'TA, "<tt>in</tt>": '.
+                                   &mt('instructor').';&nbsp;(<tt>'.&mt('role:section,role:section,..., e.g., st:001,st:002,in,cc would permit students in sections 001 and 002 and instructors in any section, and course coordinators to edit their own posts.').'</tt>)<br />'.
+                     '('.&mt('or set value to "[_1]" to allow all roles',"<tt>yes</tt>").')',
  	     'rndseed'
  	         => '<b>'.&mt('Randomization algorithm used').'</b> <br />'.
-                     '<font color="red">'.&mt('Modifying this will make problems').' '.
+                     '<span class="LC_error">'.&mt('Modifying this will make problems').' '.
-                     &mt('have different numbers and answers').'</font>',
+                     &mt('have different numbers and answers').'</span>',
  	     'receiptalg'
  	         => '<b>'.&mt('Receipt algorithm used').'</b> <br />'.
                      &mt('This controls how receipt numbers are generated.'),
               'suppress_tries'
-                  => '<b>'.&mt('Suppress number of tries in printing').'</b>('.
+                  => '<b>'.&mt('Suppress number of tries in printing').'</b><br />'.
-                     &mt('yes if supress').')',
+                     ' ('.&mt('"[_1]" to suppress, anything else to not suppress','<tt>yes</tt>').')',
               'problem_stream_switch'
                   => '<b>'.&mt('Allow problems to be split over pages').'</b><br />'.
                      ' ('.&mt('"[_1]" if allowed, anything else if not','<tt>yes</tt>').')',
- Line 1791  sub crsenv {
+ Line 2200  sub crsenv {
                      ' ('.&mt('supported types').': Letter [8 1/2x11 in], Legal [8 1/2x14 in],'.
                      ' Tabloid [11x17 in], Executive [7 1/2x10 in], A2 [420x594 mm],'.
                      ' A3 [297x420 mm], A4 [210x297 mm], A5 [148x210 mm], A6 [105x148 mm])',
+ 	     'print_header_format'
+ 	         => '<b>Print header format; substitutions</b>:  %n student name %c course id %a assignment note, numbers after the % limit the field size',
               'anonymous_quiz'
                   => '<b>'.&mt('Anonymous quiz/exam').'</b><br />'.
                      ' (<tt><b>'.&mt('yes').'</b> '.&mt('to avoid print students names').' </tt>)',
- Line 1802  sub crsenv {
+ Line 2213  sub crsenv {
               'disable_receipt_display'
                   => '<b>'.&mt('Disable display of problem receipts').'</b><br />'.
                      ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+ 	     'task_messages'
+ 	         => '<b>'.&mt('Send message to student when clicking Done on Tasks').'</b><br /> ('.&mt('[_1] to send a message only to student, [_2] to send message to student and add record to user information page for instructors. Leave blank to disable.','<tt>only_student</tt>','<tt>student_and_user_notes_screen</tt>').')',
  	     'disablesigfigs'
  	         => '<b>'.&mt('Disable checking of Significant Figures').'</b><br />'.
                      ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+ 	     'disableexampointprint'
+ 	         => '<b>'.&mt('Disable automatically printing point values onto exams.').'</b><br />'.
+                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+              'externalsyllabus'
+                  => '<b>'.&mt('URL of Syllabus (not using internal handler)').'</b>',
  	     'tthoptions'
  	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>'
               );
          my @Display_Order = ('url','description','courseid','cloners','grading',
+                              'externalsyllabus',
                               'default_xml_style','pageseparators',
-                              'question.email','comment.email','policy.email',
+                              'question.email','question.email.text','comment.email','comment.email.text','policy.email','policy.email.text',
                               'student_classlist_view',
                               'plc.roles.denied','plc.users.denied',
                               'pch.roles.denied','pch.users.denied',
- Line 1823  sub crsenv {
+ Line 2242  sub crsenv {
                               'problem_stream_switch',
  			     'suppress_tries',
                               'default_paper_size',
+ 			     'print_header_format',
                               'disable_receipt_display',
                               'spreadsheet_default_classcalc',
                               'spreadsheet_default_studentcalc',
- Line 1831  sub crsenv {
+ Line 2251  sub crsenv {
                               'default_enrollment_start_date',
                               'default_enrollment_end_date',
  			     'tthoptions',
- 			     'disablesigfigs'
+ 			     'disablesigfigs',
+ 			     'disableexampointprint',
+ 			     'task_messages'
                               );
  	foreach my $parameter (sort(keys(%values))) {
-             unless ($parameter =~ m/^internal\./) {
+             unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./)) {
                  if (! $descriptions{$parameter}) {
                      $descriptions{$parameter}=$parameter;
                      push(@Display_Order,$parameter);
                  }
              }
  	}
          foreach my $parameter (@Display_Order) {
              my $description = $descriptions{$parameter};
              # onchange is javascript to automatically check the 'Set' button.
              my $onchange = 'onFocus="javascript:window.document.forms'.
                  "['envform'].elements['".$parameter."_setparmval']".
                  '.checked=true;"';
-             $output .= '<tr><td>'.$description.'</td>';
+             $output .= &Apache::loncommon::start_data_table_row().
+ 		'<td>'.$description.'</td>';
              if ($parameter =~ /^default_enrollment_(start|end)_date$/) {
                  $output .= '<td>'.
                      &Apache::lonhtmlcommon::date_setter('envform',
- Line 1864  sub crsenv {
+ Line 2288  sub crsenv {
              $output .= '<td>'.
                  &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
                  '</td>';
-             $output .= "</tr>\n";
+             $output .= &Apache::loncommon::end_data_table_row()."\n";
  	}
          my $onchange = 'onFocus="javascript:window.document.forms'.
              '[\'envform\'].elements[\'newp_setparmval\']'.
              '.checked=true;"';
- 	$output.='<tr><td><i>'.&mt('Create New Environment Variable').'</i><br />'.
+ 	$output.=&Apache::loncommon::start_data_table_row().
+ 	    '<td><i>'.&mt('Create New Environment Variable').'</i><br />'.
  	    '<input type="text" size=40 name="newp_name" '.
                  $onchange.' /></td><td>'.
              '<input type="text" size=40 name="newp_value" '.
                  $onchange.' /></td><td>'.
- 	    '<input type="checkbox" name="newp_setparmval" /></td></tr>';
+ 	    '<input type="checkbox" name="newp_setparmval" /></td>'.
+ 	    &Apache::loncommon::end_data_table_row()."\n";
      }
      my %lt=&Apache::lonlocal::texthash(
  		    'par'   => 'Parameter',
- Line 1886  sub crsenv {
+ Line 2312  sub crsenv {
      my $Parameter=&mt('Parameter');
      my $Value=&mt('Value');
      my $Set=&mt('Set');
-     my $browse_js=&Apache::loncommon::browser_and_searcher_javascript('parmset');
+     my $browse_js=
-     my $html=&Apache::lonxml::xmlbegin();
+ 	'<script type="text/javascript" language="Javascript">'.
-     $r->print(<<ENDenv);
+ 	&Apache::loncommon::browser_and_searcher_javascript('parmset').
- $html
+ 	'</script>';
- <head>
- <script type="text/javascript" language="Javascript" >
+     my $start_page =
- $browse_js
+ 	&Apache::loncommon::start_page('Set Course Environment',
- </script>
+ 				       $browse_js);
- <title>LON-CAPA Course Environment</title>
+     my $end_page =
- </head>
+ 	&Apache::loncommon::end_page();
- $bodytag
+     my $end_table=&Apache::loncommon::end_data_table();
+     $r->print(<<ENDENV);
+ $start_page
  $breadcrumbs
  <form method="post" action="/adm/parmset?action=crsenv" name="envform">
  $setoutput
- <p>
+ $start_table
- <table border=2>
+ $start_header_row
- <tr><th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}?</th></tr>
+ <th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}?</th>
+ $end_header_row
  $output
- </table>
+ $end_table
  <input type="submit" name="crsenv" value="$lt{'sce'}">
  </form>
- </body>
+ $end_page
- </html>
+ ENDENV
- ENDenv
  }
  ##################################################
  # Overview mode
- Line 1921  sub tablestart {
+ Line 2349  sub tablestart {
  	return '';
      } else {
  	$tableopen=1;
- 	return '<table border="2"><tr><th>'.&mt('Parameter').'</th><th>'.
+ 	return &Apache::loncommon::start_data_table().'<tr><th>'.&mt('Parameter').'</th><th>'.
  	    &mt('Delete').'</th><th>'.&mt('Set to ...').'</th></tr>';
      }
  }
- Line 1929  sub tablestart {
+ Line 2357  sub tablestart {
  sub tableend {
      if ($tableopen) {
  	$tableopen=0;
- 	return '</table>';
+ 	return &Apache::loncommon::end_data_table();
      } else {
  	return'';
      }
- Line 1943  sub readdata {
+ Line 2371  sub readdata {
      my $classlist=&Apache::loncoursedata::get_classlist();
      foreach (keys %$classlist) {
-         # the following undefs are for 'domain', and 'username' respectively.
+         if ($_=~/^($match_username)\:($match_domain)$/) {
-         if ($_=~/^(\w+)\:(\w+)$/) {
  	    my ($tuname,$tudom)=($1,$2);
  	    my $useropt=&Apache::lonnet::get_userresdata($tuname,$tudom);
              foreach my $userkey (keys %{$useropt}) {
- Line 1988  sub storedata {
+ Line 2415  sub storedata {
  			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data,
  								 $tkey.'.type' => $typeof},
  						 $tudom,$tuname) eq 'ok') {
+ 			    &log_parmset({$tkey=>$data,$tkey.'.type' => $typeof},0,$tuname,$tudom);
  			    $r->print('<br />'.&mt('Stored modified parameter for').' '.
  				      &Apache::loncommon::plainname($tuname,$tudom));
  			} else {
- 			    $r->print('<h2><font color="red">'.
+ 			    $r->print('<div class="LC_error">'.
- 				      &mt('Error storing parameters').'</font></h2>');
+ 				      &mt('Error storing parameters').'</div>');
  			}
  			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
  		    } else {
- Line 2003  sub storedata {
+ Line 2431  sub storedata {
  	    } elsif ($cmd eq 'del') {
  		if ($tuname) {
  		    if (&Apache::lonnet::del('resourcedata',[$tkey],$tudom,$tuname) eq 'ok') {
+ 			    &log_parmset({$tkey=>''},1,$tuname,$tudom);
  			$r->print('<br />'.&mt('Deleted parameter for').' '.&Apache::loncommon::plainname($tuname,$tudom));
  		    } else {
- 			$r->print('<h2><font color="red">'.
+ 			$r->print('<div class="LC_error">'.
- 				  &mt('Error deleting parameters').'</font></h2>');
+ 				  &mt('Error deleting parameters').'</div>');
  		    }
  		    &Apache::lonnet::devalidateuserresdata($tuname,$tudom);
  		} else {
- 		    push (@deldata,$thiskey);
+ 		    push (@deldata,$thiskey,$thiskey.'.type');
  		}
  	    } elsif ($cmd eq 'datepointer') {
  		my $data=&Apache::lonhtmlcommon::get_date_from_form($env{$_});
- Line 2020  sub storedata {
+ Line 2449  sub storedata {
  			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data,
  								 $tkey.'.type' => $typeof},
  						 $tudom,$tuname) eq 'ok') {
+ 			    &log_parmset({$tkey=>$data,$tkey.'.type' => $typeof},0,$tuname,$tudom);
  			    $r->print('<br />'.&mt('Stored modified date for').' '.&Apache::loncommon::plainname($tuname,$tudom));
  			} else {
- 			    $r->print('<h2><font color="red">'.
+ 			    $r->print('<div class="LC_error">'.
- 				      &mt('Error storing parameters').'</font></h2>');
+ 				      &mt('Error storing parameters').'</div>');
  			}
  			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
  		    } else {
- Line 2040  sub storedata {
+ Line 2470  sub storedata {
      my $putentries=$#newdatakeys+1;
      if ($delentries) {
  	if (&Apache::lonnet::del('resourcedata',\@deldata,$dom,$crs) eq 'ok') {
+ 	    my %loghash=map { $_ => '' } @deldata;
+ 	    &log_parmset(\%loghash,1);
  	    $r->print('<h2>'.&mt('Deleted [_1] parameter(s)</h2>',$delentries));
  	} else {
- 	    $r->print('<h2><font color="red">'.
+ 	    $r->print('<div class="LC_error">'.
- 		      &mt('Error deleting parameters').'</font></h2>');
+ 		      &mt('Error deleting parameters').'</div>');
  	}
  	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
      }
      if ($putentries) {
  	if (&Apache::lonnet::put('resourcedata',\%newdata,$dom,$crs) eq 'ok') {
+ 			    &log_parmset(\%newdata,0);
  	    $r->print('<h3>'.&mt('Stored [_1] parameter(s)',$putentries/2).'</h3>');
  	} else {
- 	    $r->print('<h2><font color="red">'.
+ 	    $r->print('<div class="LC_error">'.
- 		      &mt('Error storing parameters').'</font></h2>');
+ 		      &mt('Error storing parameters').'</div>');
  	}
  	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
      }
- Line 2060  sub storedata {
+ Line 2493  sub storedata {
  sub extractuser {
      my $key=shift;
-     return ($key=~/^$env{'request.course.id'}.\[useropt\:(\w+)\:(\w+)\]\./);
+     return ($key=~/^$env{'request.course.id'}.\[useropt\:($match_username)\:($match_domain)\]\./);
  }
  sub listdata {
- Line 2073  sub listdata {
+ Line 2506  sub listdata {
      my $pointer=0;
      $tableopen=0;
      my $foundkeys=0;
+     my %keyorder=&standardkeyorder();
      foreach my $thiskey (sort {
  	if ($sortorder eq 'realmstudent') {
- 	    my ($astudent,$arealm)=($a=~/^$env{'request.course.id'}\.([^\.]+)\.(.+)\.[^\.]+$/);
+ 	    my ($astudent,$arealm)=($a=~/^\Q$env{'request.course.id'}\E\.\[([^\.]+)\]\.(.+)\.[^\.]+$/);
- 	    my ($bstudent,$brealm)=($b=~/^$env{'request.course.id'}\.([^\.]+)\.(.+)\.[^\.]+$/);
+ 	    my ($bstudent,$brealm)=($b=~/^\Q$env{'request.course.id'}\E\.\[([^\.]+)\]\.(.+)\.[^\.]+$/);
-             ($arealm cmp $brealm) || ($astudent cmp $bstudent);
+ 	    if (!defined($astudent)) {
+ 		($arealm)=($a=~/^\Q$env{'request.course.id'}\E\.(.+)$/);
+ 	    }
+ 	    if (!defined($bstudent)) {
+ 		($brealm)=($b=~/^\Q$env{'request.course.id'}\E\.(.+)$/);
+ 	    }
+ 	    $arealm=~s/\.type//;
+ 	    my ($ares, $aparm) = ($arealm=~/^(.*)\.(.*)$/);
+ 	    $aparm=$keyorder{'parameter_0_'.$aparm};
+ 	    $brealm=~s/\.type//;
+ 	    my ($bres, $bparm) = ($brealm=~/^(.*)\.(.*)$/);
+ 	    $bparm=$keyorder{'parameter_0_'.$bparm};
+ 	    if ($ares eq $bres) {
+ 		if (defined($aparm) && defined($bparm)) {
+ 		    ($aparm <=> $bparm);
+ 		} elsif (defined($aparm)) {
+ 		    -1;
+ 		} elsif (defined($bparm)) {
+;
+ 		} else {
+ 		    ($arealm cmp $brealm) || ($astudent cmp $bstudent);
+ 		}
+ 	    } else {
+ 		($arealm cmp $brealm) || ($astudent cmp $bstudent);
+ 	    }
  	} else {
  	    $a cmp $b;
  	}
      } keys %{$listdata}) {
  	if ($$listdata{$thiskey.'.type'}) {
              my $thistype=$$listdata{$thiskey.'.type'};
              if ($$resourcedata{$thiskey.'.type'}) {
- Line 2092  sub listdata {
+ Line 2551  sub listdata {
  	    my $section=&mt('All Students');
  	    if ($middle=~/^\[(.*)\]/) {
  		my $issection=$1;
- 		if ($issection=~/^useropt\:(\w+)\:(\w+)/) {
+ 		if ($issection=~/^useropt\:($match_username)\:($match_domain)/) {
  		    $section=&mt('User').": ".&Apache::loncommon::plainname($1,$2);
  		} else {
  		    $section=&mt('Group/Section').': '.$issection;
- Line 2101  sub listdata {
+ Line 2560  sub listdata {
  	    }
  	    $middle=~s/\.+$//;
  	    $middle=~s/^\.+//;
- 	    my $realm='<font color="red">'.&mt('All Resources').'</font>';
+ 	    my $realm='<span class="LC_parm_scope_all">'.&mt('All Resources').'</span>';
  	    if ($middle=~/^(.+)\_\_\_\(all\)$/) {
- 		$realm='<font color="green">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><font color="#aaaaaa" size="-2">('.$1.')</font></font>';
+ 		$realm='<span class="LC_parm_scope_folder">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><span class="LC_parm_folder">('.$1.')</span></span>';
  	    } elsif ($middle) {
  		my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
- 		$realm='<font color="orange">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><font color="#aaaaaa" size="-2">('.$url.' in '.$map.' id: '.$id.')</font></font>';
+ 		$realm='<span class="LC_parm_scope_resource">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><span class="LC_parm_symb">('.$url.' in '.$map.' id: '.$id.')</span></span>';
  	    }
  	    if ($sortorder eq 'realmstudent') {
  		if ($realm ne $oldrealm) {
- Line 2133  sub listdata {
+ Line 2592  sub listdata {
  	    }
  	    if ($part ne $oldpart) {
  		$r->print(&tableend().
- 			  "\n<font color='blue'>".&mt('Part').": $part</font>");
+ 			  "\n<span class=\"LC_parm_part\">".&mt('Part').": $part</span>");
  		$oldpart=$part;
  	    }
  #
  # Ready to print
  #
- 	    $r->print(&tablestart().'<tr><td><b>'.$name.
+ 	    $r->print(&tablestart().
- 		      ':</b></td><td><input type="checkbox" name="del_'.
+ 		      &Apache::loncommon::start_data_table_row().
+ 		      '<td><b>'.&standard_parameter_names($name).
+ 		      '</b></td><td><input type="checkbox" name="del_'.
  		      $thiskey.'" /></td><td>');
  	    $foundkeys++;
  	    if (&isdateparm($thistype)) {
  		my $jskey='key_'.$pointer;
  		$pointer++;
  		$r->print(
- 			  &Apache::lonhtmlcommon::date_setter('overviewform',
+ 			  &Apache::lonhtmlcommon::date_setter('parmform',
  							      $jskey,
  						      $$resourcedata{$thiskey},
- 							      '',1).
+ 							      '',1,'','').
- '<input type="hidden" name="datepointer_'.$thiskey.'" value="'.$jskey.'" />'
+ '<input type="hidden" name="datepointer_'.$thiskey.'" value="'.$jskey.'" />'.
+ &date_sanity_info($$resourcedata{$thiskey})
  			  );
  	    } elsif ($thistype eq 'string_yesno') {
+ 		my $showval;
+ 		if (defined($$resourcedata{$thiskey})) {
+ 		    $showval=$$resourcedata{$thiskey};
+ 		}
  		$r->print('<label><input type="radio" name="set_'.$thiskey.
  			  '" value="yes"');
- 		if ($$resourcedata{$thiskey} eq 'yes') {
+ 		if ($showval eq 'yes') {
  		    $r->print(' checked="checked"');
  		}
                  $r->print(' />'.&mt('Yes').'</label> ');
  		$r->print('<label><input type="radio" name="set_'.$thiskey.
  			  '" value="no"');
- 		if ($$resourcedata{$thiskey} eq 'no') {
+ 		if ($showval eq 'no') {
  		    $r->print(' checked="checked"');
  		}
                  $r->print(' />'.&mt('No').'</label>');
  	    } else {
+ 		my $showval;
+ 		if (defined($$resourcedata{$thiskey})) {
+ 		    $showval=$$resourcedata{$thiskey};
+ 		}
  		$r->print('<input type="text" name="set_'.$thiskey.'" value="'.
- 			  $$resourcedata{$thiskey}.'">');
+ 			  $showval.'">');
  	    }
  	    $r->print('<input type="hidden" name="typeof_'.$thiskey.'" value="'.
  		      $thistype.'">');
- 	    $r->print('</td></tr>');
+ 	    $r->print('</td>'.&Apache::loncommon::end_data_table_row());
  	}
      }
      return $foundkeys;
  }
  sub newoverview {
-     my $r=shift;
+     my ($r) = @_;
-     my $bodytag=&Apache::loncommon::bodytag('Set Parameters');
      my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
      my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
-     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Overview');
+     my $start_page = &Apache::loncommon::start_page('Set Parameters');
-     my $html=&Apache::lonxml::xmlbegin();
+     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
      $r->print(<<ENDOVER);
- $html
+ $start_page
- <head>
- <title>LON-CAPA Parameters</title>
- </head>
- $bodytag
  $breadcrumbs
  <form method="post" action="/adm/parmset?action=newoverview" name="parmform">
  ENDOVER
- Line 2213  ENDOVER
+ Line 2679  ENDOVER
      $alllevs{'Course Level'}='general';
      my $csec=$env{'form.csec'};
+     my $cgroup=$env{'form.cgroup'};
      my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
      my $pschp=$env{'form.pschp'};
- Line 2227  ENDOVER
+ Line 2694  ENDOVER
              @selected_sections = ('all');
          }
      }
+     my @selected_groups =
+         &Apache::loncommon::get_env_multiple('form.Group');
      my $pssymb='';
      my $parmlev='';
- Line 2243  ENDOVER
+ Line 2712  ENDOVER
  # Menu to select levels, etc
-     $r->print('<table border="1"><tr><td>');
+     $r->print('<table id="LC_parm_overview_scope">
+                <tr><td class="LC_parm_overview_level_menu">');
      &levelmenu($r,\%alllevs,$parmlev);
      if ($parmlev ne 'general') {
- 	$r->print('<td>');
+ 	$r->print('<td class="LC_parm_overview_map_menu">');
  	&mapmenu($r,\%allmaps,$pschp,\%maptitles);
  	$r->print('</td>');
      }
      $r->print('</td></tr></table>');
-     $r->print('<table border="1"><tr><td>');
+     $r->print('<table id="LC_parm_overview_controls">
+                <tr><td class="LC_parm_overview_parm_selectors">');
      &parmmenu($r,\%allparms,\@pscat,\%keyorder);
-     $r->print('</td><td>');
+     $r->print('</td><td class="LC_parm_overview_restrictions">
+                 <table class="LC_parm_overview_restrictions">'.
+               '<tr><th>'.&mt('Parts').'</th><th>'.&mt('Section(s)').
+               '</th><th>'.&mt('Group(s)').'</th></tr><tr><td>');
      &partmenu($r,\%allparts,\@psprt);
      $r->print('</td><td>');
      &sectionmenu($r,\@selected_sections);
+     $r->print('</td><td>');
+     &groupmenu($r,\@selected_groups);
+     $r->print('</td></tr></table>');
      $r->print('</td></tr></table>');
      my $sortorder=$env{'form.sortorder'};
- Line 2273  ENDOVER
+ Line 2749  ENDOVER
      %{$listdata}=();
      foreach my $cat (@pscat) {
- 	foreach my $section (@selected_sections) {
+         &secgroup_lister($cat,$pschp,$parmlev,$listdata,\@psprt,\@selected_sections,\%defkeytype,\%allmaps,\@ids,\%symbp);
- 	    foreach my $part (@psprt) {
+         &secgroup_lister($cat,$pschp,$parmlev,$listdata,\@psprt,\@selected_groups,\%defkeytype,\%allmaps,\@ids,\%symbp);
-                 my $rootparmkey=$env{'request.course.id'};
-                 if (($section ne 'all') && ($section ne 'none') && ($section)) {
- 		    $rootparmkey.='.['.$section.']';
- 		}
- 		if ($parmlev eq 'general') {
- # course-level parameter
- 		    my $newparmkey=$rootparmkey.'.'.$part.'.'.$cat;
- 		    $$listdata{$newparmkey}=1;
- 		    $$listdata{$newparmkey.'.type'}=$defkeytype{$cat};
- 		} elsif ($parmlev eq 'map') {
- # map-level parameter
- 		    foreach my $mapid (keys %allmaps) {
- 			if (($pschp ne 'all') && ($pschp ne $mapid)) { next; }
- 			my $newparmkey=$rootparmkey.'.'.$allmaps{$mapid}.'___(all).'.$part.'.'.$cat;
-                         $$listdata{$newparmkey}=1;
-                         $$listdata{$newparmkey.'.type'}=$defkeytype{$cat};
- 		    }
- 		} else {
- # resource-level parameter
- 		    foreach my $rid (@ids) {
- 			my ($map,$resid,$url)=&Apache::lonnet::decode_symb($symbp{$rid});
- 			if (($pschp ne 'all') && ($allmaps{$pschp} ne $map)) { next; }
- 			my $newparmkey=$rootparmkey.'.'.$symbp{$rid}.'.'.$part.'.'.$cat;
-                         $$listdata{$newparmkey}=1;
-                         $$listdata{$newparmkey.'.type'}=$defkeytype{$cat};
- 		    }
- 		}
- 	    }
- 	}
      }
      if (($env{'form.store'}) || ($env{'form.dis'})) {
- Line 2320  ENDOVER
+ Line 2767  ENDOVER
      }
      $r->print(&tableend().
  	     ((($env{'form.store'}) || ($env{'form.dis'}))?'<p><input type="submit" name="store" value="'.&mt('Store').'" /></p>':'').
- 	      '</form></body></html>');
+ 	      '</form>'.&Apache::loncommon::end_page());
+ }
+ sub secgroup_lister {
+     my ($cat,$pschp,$parmlev,$listdata,$psprt,$selections,$defkeytype,$allmaps,$ids,$symbp) = @_;
+     foreach my $item (@{$selections}) {
+         foreach my $part (@{$psprt}) {
+             my $rootparmkey=$env{'request.course.id'};
+             if (($item ne 'all') && ($item ne 'none') && ($item)) {
+                 $rootparmkey.='.['.$item.']';
+             }
+             if ($parmlev eq 'general') {
+ # course-level parameter
+                 my $newparmkey=$rootparmkey.'.'.$part.'.'.$cat;
+                 $$listdata{$newparmkey}=1;
+                 $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
+             } elsif ($parmlev eq 'map') {
+ # map-level parameter
+                 foreach my $mapid (keys %{$allmaps}) {
+                     if (($pschp ne 'all') && ($pschp ne $mapid)) { next; }
+                     my $newparmkey=$rootparmkey.'.'.$$allmaps{$mapid}.'___(all).'.$part.'.'.$cat;
+                     $$listdata{$newparmkey}=1;
+                     $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
+                 }
+             } else {
+ # resource-level parameter
+                 foreach my $rid (@{$ids}) {
+                     my ($map,$resid,$url)=&Apache::lonnet::decode_symb($$symbp{$rid});
+                     if (($pschp ne 'all') && ($$allmaps{$pschp} ne $map)) { next; }
+                     my $newparmkey=$rootparmkey.'.'.$$symbp{$rid}.'.'.$part.'.'.$cat;
+                     $$listdata{$newparmkey}=1;
+                     $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
+                 }
+             }
+         }
+     }
  }
  sub overview {
-     my $r=shift;
+     my ($r) = @_;
-     my $bodytag=&Apache::loncommon::bodytag('Modify Parameters');
      my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
      my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
-     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Overview');
-     my $html=&Apache::lonxml::xmlbegin();
+     my $start_page=&Apache::loncommon::start_page('Modify Parameters');
+     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
      $r->print(<<ENDOVER);
- $html
+ $start_page
- <head>
- <title>LON-CAPA Parameters</title>
- </head>
- $bodytag
  $breadcrumbs
- <form method="post" action="/adm/parmset?action=setoverview" name="overviewform">
+ <form method="post" action="/adm/parmset?action=setoverview" name="parmform">
  ENDOVER
  # Store modified
- Line 2357  ENDOVER
+ Line 2835  ENDOVER
      my $foundkeys=&listdata($r,$resourcedata,$resourcedata,$sortorder);
      $r->print(&tableend().'<p>'.
- 	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no parameters.')).'</p></form></body></html>');
+ 	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no parameters.')).'</p></form>'.
+ 	      &Apache::loncommon::end_page());
+ }
+ sub clean_parameters {
+     my ($r) = @_;
+     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+     my $start_page=&Apache::loncommon::start_page('Clean Parameters');
+     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Clean');
+     $r->print(<<ENDOVER);
+ $start_page
+ $breadcrumbs
+ <form method="post" action="/adm/parmset?action=cleanparameters" name="parmform">
+ ENDOVER
+ # Store modified
+     &storedata($r,$crs,$dom);
+ # Read modified data
+     my $resourcedata=&readdata($crs,$dom);
+ # List data
+     $r->print('<h3>'.
+ 	      &mt('These parameters refer to resources that do not exist.').
+ 	      '</h3>'.
+ 	      '<input type="submit" value="'.&mt('Delete Checked Parameters').'" />'.'<br />'.
+ 	      '<br />');
+     $r->print(&Apache::loncommon::start_data_table().
+ 	      '<tr>'.
+ 	      '<th>'.&mt('Delete').'</th>'.
+ 	      '<th>'.&mt('Parameter').'</th>'.
+ 	      '</tr>');
+     foreach my $thiskey (sort(keys(%{$resourcedata}))) {
+ 	next if (!exists($resourcedata->{$thiskey.'.type'})
+ 		 && $thiskey=~/\.type$/);
+ 	my %data = &parse_key($thiskey);
+ 	if (exists($data{'realm_exists'})
+ 	    && !$data{'realm_exists'}) {
+ 	    $r->print(&Apache::loncommon::start_data_table_row().
+ 		      '<tr>'.
+ 		      '<td><input type="checkbox" name="del_'.$thiskey.'" /></td>'		      );
+ 	    $r->print('<td>');
+ 	    $r->print(&mt('Parameter: "[_1]" with value: "[_2]"',
+ 			  &standard_parameter_names($data{'parameter_name'}),
+ 			  $resourcedata->{$thiskey}));
+ 	    $r->print('<br />');
+ 	    if ($data{'scope_type'} eq 'all') {
+ 		$r->print(&mt('All users'));
+ 	    } elsif ($data{'scope_type'} eq 'user') {
+ 		$r->print(&mt('User: [_1]',join(':',@{$data{'scope'}})));
+ 	    } elsif ($data{'scope_type'} eq 'section') {
+ 		$r->print(&mt('Section: [_1]',$data{'scope'}));
+ 	    } elsif ($data{'scope_type'} eq 'group') {
+ 		$r->print(&mt('Group: [_1]',$data{'scope'}));
+ 	    }
+ 	    $r->print('<br />');
+ 	    if ($data{'realm_type'} eq 'all') {
+ 		$r->print(&mt('All Resources'));
+ 	    } elsif ($data{'realm_type'} eq 'folder') {
+ 		$r->print(&mt('Folder: [_1]'),$data{'realm'});
+ 	    } elsif ($data{'realm_type'} eq 'symb') {
+ 		my ($map,$resid,$url) =
+ 		    &Apache::lonnet::decode_symb($data{'realm'});
+ 		$r->print(&mt('Resource: [_1] <br />&nbsp;&nbsp;&nbsp;with ID: [_2] <br />&nbsp;&nbsp;&nbsp;in folder [_3]',
+ 			      $url,$resid,$map));
+ 	    }
+ 	    $r->print(&mt('Part: [_1]',$data{'parameter_part'}));
+ 	    $r->print('</td></tr>');
+ 	}
+     }
+     $r->print(&Apache::loncommon::end_data_table().'<p>'.
+ 	      '<input type="submit" value="'.&mt('Delete Checked Parameters').'" />'.
+ 	      '</p></form>'.
+ 	      &Apache::loncommon::end_page());
+ }
+ sub parse_key {
+     my ($key) = @_;
+     my %data;
+     my ($middle,$part,$name)=
+ 	($key=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
+     $data{'scope_type'} = 'all';
+     if ($middle=~/^\[(.*)\]/) {
+        	$data{'scope'} = $1;
+ 	if ($data{'scope'}=~/^useropt\:($match_username)\:($match_domain)/) {
+ 	    $data{'scope_type'} = 'user';
+ 	    $data{'scope'} = [$1,$2];
+ 	} else {
+ 	    #FIXME check for group scope
+ 	    $data{'scope_type'} = 'section';
+ 	}
+ 	$middle=~s/^\[(.*)\]//;
+     }
+     $middle=~s/\.+$//;
+     $middle=~s/^\.+//;
+     $data{'realm_type'}='all';
+     if ($middle=~/^(.+)\_\_\_\(all\)$/) {
+ 	$data{'realm'} = $1;
+ 	$data{'realm_type'} = 'folder';
+ 	$data{'realm_title'} = &Apache::lonnet::gettitle($data{'realm'});
+ 	($data{'realm_exists'}) = &Apache::lonnet::is_on_map($data{'realm'});
+ 	&Apache::lonnet::logthis($1." siad ".	$data{'realm_exists'} );
+     } elsif ($middle) {
+ 	$data{'realm'} = $middle;
+ 	$data{'realm_type'} = 'symb';
+ 	$data{'realm_title'} = &Apache::lonnet::gettitle($data{'realm'});
+ 	my ($map,$resid,$url) = &Apache::lonnet::decode_symb($data{'realm'});
+ 	$data{'realm_exists'} = &Apache::lonnet::symbverify($data{'realm'},$url);
+     }
+     $data{'parameter_part'} = $part;
+     $data{'parameter_name'} = $name;
+     return %data;
  }
  ##################################################
  ##################################################
  =pod
- =item change clone
+ =item check_cloners
+ Checks if new users included in list of allowed cloners
+ are valid users.  Replaces supplied list with
+ cleaned list containing only users with valid usernames
+ and domains.
+ Inputs: $clonelist, $oldcloner
+ where $clonelist is ref to array of requested cloners,
+ and $oldcloner is ref to array of currently allowed
+ cloners.
+ Returns: string - comma separated list of requested
+ cloners (username:domain) who do not exist in system.
+ =item change_clone
  Modifies the list of courses a user can clone (stored
- in the user's environemnt.db file), called when a
+ in the user's environment.db file), called when a
  change is made to the list of users allowed to clone
  a course.
  Inputs: $action,$cloner
  where $action is add or drop, and $cloner is identity of
  user for whom cloning ability is to be changed in course.
- Returns:
  =cut
  ##################################################
  ##################################################
+ sub extract_cloners {
+     my ($clonelist,$allowclone) = @_;
+     if ($clonelist =~ /,/) {
+         @{$allowclone} = split/,/,$clonelist;
+     } else {
+         $$allowclone[0] = $clonelist;
+     }
+ }
+ sub check_cloners {
+     my ($clonelist,$oldcloner) = @_;
+     my ($clean_clonelist,$disallowed);
+     my @allowclone = ();
+     &extract_cloners($$clonelist,\@allowclone);
+     foreach my $currclone (@allowclone) {
+         if (!grep/^$currclone$/,@$oldcloner) {
+             my ($uname,$udom) = split/:/,$currclone;
+             if ($uname && $udom) {
+                 if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
+                     $disallowed .= $currclone.',';
+                 } else {
+                     $clean_clonelist .= $currclone.',';
+                 }
+             }
+         } else {
+             $clean_clonelist .= $currclone.',';
+         }
+     }
+     if ($disallowed) {
+         $disallowed =~ s/,$//;
+     }
+     if ($clean_clonelist) {
+         $clean_clonelist =~ s/,$//;
+     }
+     $$clonelist = $clean_clonelist;
+     return $disallowed;
+ }
  sub change_clone {
      my ($clonelist,$oldcloner) = @_;
- Line 2392  sub change_clone {
+ Line 3040  sub change_clone {
      my $clone_crs = $cnum.':'.$cdom;
      if ($cnum && $cdom) {
-         my @allowclone = ();
+         my @allowclone;
-         if ($clonelist =~ /,/) {
+         &extract_cloners($clonelist,\@allowclone);
-             @allowclone = split/,/,$clonelist;
-         } else {
-             $allowclone[0] = $clonelist;
-         }
          foreach my $currclone (@allowclone) {
              if (!grep/^$currclone$/,@$oldcloner) {
                  ($uname,$udom) = split/:/,$currclone;
- Line 2459  Output html header for page
+ Line 3103  Output html header for page
  ##################################################
  ##################################################
  sub header {
-     my $html=&Apache::lonxml::xmlbegin();
+     return &Apache::loncommon::start_page('Parameter Manager');
-     my $bodytag=&Apache::loncommon::bodytag('Parameter Manager');
-     my $title = &mt('LON-CAPA Parameter Manager');
-     return(<<ENDHEAD);
- $html
- <head>
- <title>$title</title>
- </head>
- $bodytag
- ENDHEAD
  }
  ##################################################
  ##################################################
- Line 2482  ENDMAINFORMHEAD
+ Line 3117  ENDMAINFORMHEAD
  #
      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $vgr  = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
      my @menu =
-         (
+         ( { divider=>'Settings for Your Course',
-           { text => 'Set Course Environment Parameters',
+ 	  },
+           { text => 'Set Course Environment',
  	    action => 'crsenv',
              permission => $parm_permission,
+             help => 'Course_Environment',
              },
-           { text => 'Set/Modify Resource Parameters - Helper Mode',
+           { text => 'Set Portfolio Metadata',
-             url => '/adm/helper/parameter.helper',
+ 	    action => 'setrestrictmeta',
              permission => $parm_permission,
              },
-           { text => 'Modify Resource Parameters - Overview Mode',
+ 	  { text => 'Manage Course Slots',
-             action => 'setoverview',
+ 	    url => '/adm/slotrequest?command=showslots',
+ 	    permission => $vgr,
+             },
+           { text => 'Set Parameter Setting Default Actions',
+             action => 'setdefaults',
              permission => $parm_permission,
              },
- 	  { text => 'Set Resource Parameters - Overview Mode',
+ 	  { divider => 'New and Existing Parameter Settings for Your Resources',
+ 	    },
+           { text => 'Set/Modify Resource Parameters - Helper Mode',
+             url => '/adm/helper/parameter.helper',
+             permission => $parm_permission,
+             help => 'Parameter_Helper',
+             },
+  	  { text => 'Set/Modify Resource Parameters - Overview Mode',
              action => 'newoverview',
              permission => $parm_permission,
+             help => 'Parameter_Overview',
              },
            { text => 'Set/Modify Resource Parameters - Table Mode',
              action => 'settable',
              permission => $parm_permission,
-             help => 'Cascading_Parameters',
+             help => 'Table_Mode',
+             },
+            { divider => 'Existing Parameter Settings for Your Resources',
+ 	  },
+ 	  { text => 'Modify Resource Parameters - Overview Mode',
+             action => 'setoverview',
+             permission => $parm_permission,
+             help => 'Parameter_Overview',
+  	    },
+ 	  { text => 'Parameter Change Log and Course Blog Posting/User Notification',
+             action => 'parameterchangelog',
+             permission => $parm_permission,
              },
- #          { text => 'Set Parameter Default Preferences',
- #            help => 'Course_View_Class_List',
- #            action => 'setdefaults',
- #            permission => $parm_permission,
- #            },
            );
      my $menu_html = '';
      foreach my $menu_item (@menu) {
+ 	if ($menu_item->{'divider'}) {
+ 	    $menu_html .= '<h3>'.&mt($menu_item->{'divider'}).'</h3>';
+ 	    next;
+ 	}
          next if (! $menu_item->{'permission'});
          $menu_html.='<p>';
-         $menu_html.='<font size="+1">';
+         $menu_html.='<span class="LC_parm_menu_item">';
          if (exists($menu_item->{'url'})) {
              $menu_html.=qq{<a href="$menu_item->{'url'}">};
          } else {
              $menu_html.=
                  qq{<a href="/adm/parmset?action=$menu_item->{'action'}">};
          }
-         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
+         $menu_html.= &mt($menu_item->{'text'}).'</a></span>';
          if (exists($menu_item->{'help'})) {
              $menu_html.=
                  &Apache::loncommon::help_open_topic($menu_item->{'help'});
- Line 2532  ENDMAINFORMHEAD
+ Line 3193  ENDMAINFORMHEAD
      $r->print($menu_html);
      return;
  }
+ ### Set portfolio metadata
+ sub output_row {
+     my ($r, $field_name, $field_text, $added_flag) = @_;
+     my $output;
+     my $options=$env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.options'};
+     my $values=$env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.values'};
+     if (!defined($options)) {
+         $options = 'active,stuadd';
+         $values = '';
+     }
+     if (!($options =~ /deleted/)) {
+         my @options= ( ['active', 'Show to student'],
+                     ['stuadd', 'Provide text area for students to type catalog information'],
+                     ['choices','Provide choices for students to select from']);
+ #		   ['onlyone','Student may select only one choice']);
+         if ($added_flag) {
+             push @options,['deleted', 'Delete Metadata Field'];
+         }
+        $output = &Apache::loncommon::start_data_table_row();
+         $output .= '<td><span class="LC_metadata"><strong>'.$field_text.':</strong></span></td>';
+         $output .= &Apache::loncommon::end_data_table_row();
+         foreach my $opt (@options) {
+ 	    my $checked = ($options =~ m/$opt->[0]/) ? ' checked="checked" ' : '' ;
+ 	    $output .= &Apache::loncommon::continue_data_table_row();
+ 	    $output .= '<td>'.('&nbsp;' x 5).'<span class="LC_metadata"><label>
+ 	               <input type="checkbox" name="'.
+ 	               $field_name.'_'.$opt->[0].'" value="yes"'.$checked.' />'.
+ 	               &mt($opt->[1]).'</label></span> </td>';
+ 	    $output .= &Apache::loncommon::end_data_table_row();
+ 	}
+         $output .= &Apache::loncommon::continue_data_table_row();
+         $output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata"><input name="'.$field_name.'_values" type="text" value="'.$values.'" size="80" /></span></td>';
+         $output .= &Apache::loncommon::end_data_table_row();
+         my $multiple_checked;
+         my $single_checked;
+         if ($options =~ m/onlyone/) {
+             $multiple_checked = "";
+             $single_checked = " CHECKED ";
+         } else {
+             $multiple_checked = " CHECKED ";
+             $single_checked = "";
+         }
+ 	$output .= &Apache::loncommon::continue_data_table_row();
+ 	$output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata">
+ 	            <input type="radio" name="'.$field_name.'_onlyone" value="multiple" '.$multiple_checked .'/>
+ 	            Student may select multiple choices from list</span></td>';
+ 	$output .= &Apache::loncommon::end_data_table_row();
+ 	$output .= &Apache::loncommon::continue_data_table_row();
+ 	$output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata">
+ 	            <input type="radio" name="'.$field_name.'_onlyone"  value="single" '.$single_checked.'/>
+ 	            Student may select only one choice from list</span></td>';
+ 	$output .= &Apache::loncommon::end_data_table_row();
+     }
+     return ($output);
+ }
+ sub order_meta_fields {
+     my ($r)=@_;
+     my $idx = 1;
+     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+     $r->print(&Apache::loncommon::start_page('Order Metadata Fields'));
+     &Apache::lonhtmlcommon::add_breadcrumb
+             ({href=>"/adm/parmset?action=setrestrictmeta",
+               text=>"Restrict Metadata"},
+              {text=>"Order Metadata"});
+     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Order Metadata'));
+     if ($env{'form.storeorder'}) {
+         my $newpos = $env{'form.newpos'} - 1;
+         my $currentpos = $env{'form.currentpos'} - 1;
+         my @neworder = ();
+         my @oldorder = split /,/,$env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'};
+         my $i;
+         if ($newpos > $currentpos) {
+         # moving stuff up
+             for ($i=0;$i<$currentpos;$i++) {
+         	$neworder[$i]=$oldorder[$i];
+             }
+             for ($i=$currentpos;$i<$newpos;$i++) {
+         	$neworder[$i]=$oldorder[$i+1];
+             }
+             $neworder[$newpos]=$oldorder[$currentpos];
+             for ($i=$newpos+1;$i<=$#oldorder;$i++) {
+         	$neworder[$i]=$oldorder[$i];
+             }
+         } else {
+         # moving stuff down
+     	    for ($i=0;$i<$newpos;$i++) {
+     	        $neworder[$i]=$oldorder[$i];
+     	    }
+     	    $neworder[$newpos]=$oldorder[$currentpos];
+     	    for ($i=$newpos+1;$i<$currentpos+1;$i++) {
+     	        $neworder[$i]=$oldorder[$i-1];
+     	    }
+     	    for ($i=$currentpos+1;$i<=$#oldorder;$i++) {
+     	        $neworder[$i]=$oldorder[$i];
+     	    }
+         }
+ 	my $ordered_fields = join ",", @neworder;
+         my $put_result = &Apache::lonnet::put('environment',
+                            {'metadata.addedorder'=>$ordered_fields},$dom,$crs);
+ 	&Apache::lonnet::appenv('course.'.$env{'request.course.id'}.'.metadata.addedorder' => $ordered_fields);
+     }
+     my $fields = &get_added_meta_fieldnames($env{'request.course.id'});
+     my $ordered_fields;
+     my @fields_in_order = split /,/,$env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'};
+     if (!@fields_in_order) {
+         # no order found, pick sorted order then create metadata.addedorder key.
+         foreach my $key (sort keys %$fields) {
+             push @fields_in_order, $key;
+             $ordered_fields = join ",", @fields_in_order;
+         }
+         my $put_result = &Apache::lonnet::put('environment',
+                             {'metadata.addedorder'=>$ordered_fields},$dom,$crs);
+     }
+     $r->print('<table>');
+     my $num_fields = scalar(@fields_in_order);
+     foreach my $key (@fields_in_order) {
+         $r->print('<tr><td>');
+         $r->print('<form method="post" action="">');
+         $r->print('<select name="newpos" onChange="this.form.submit()">');
+         for (my $i = 1;$i le $num_fields;$i ++) {
+             if ($i eq $idx) {
+                 $r->print('<option value="'.$i.'"  SELECTED>('.$i.')</option>');
+             } else {
+                 $r->print('<option value="'.$i.'">'.$i.'</option>');
+             }
+         }
+         $r->print('</select></td><td>');
+         $r->print('<input type="hidden" name="currentpos" value="'.$idx.'" />');
+         $r->print('<input type="hidden" name="storeorder" value="true" />');
+         $r->print('</form>');
+         $r->print($$fields{$key}.'</td></tr>');
+         $idx ++;
+     }
+     $r->print('</table>');
+     return 'ok';
+ }
+ sub continue {
+     my $output;
+     $output .= '<form action="" method="post">';
+     $output .= '<input type="hidden" name="action" value="setrestrictmeta" />';
+     $output .= '<input type="submit" value="Continue" />';
+     return ($output);
+ }
+ sub addmetafield {
+     my ($r)=@_;
+     $r->print(&Apache::loncommon::start_page('Add Metadata Field'));
+     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Add Metadata Field'));
+     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+     if (exists($env{'form.undelete'})) {
+         my @meta_fields = &Apache::loncommon::get_env_multiple('form.undeletefield');
+         foreach my $meta_field(@meta_fields) {
+             my $options = $env{'course.'.$env{'request.course.id'}.'.metadata.'.$meta_field.'.options'};
+             $options =~ s/deleted//;
+             $options =~ s/,,/,/;
+             my $put_result = &Apache::lonnet::put('environment',
+                                         {'metadata.'.$meta_field.'.options'=>$options},$dom,$crs);
+             $r->print('Undeleted Metadata Field <strong>'.$env{'course.'.$env{'request.course.id'}.'.metadata.'.$meta_field.'.added'}."</strong> with result ".$put_result.'<br />');
+         }
+         $r->print(&continue());
+     } elsif (exists($env{'form.fieldname'})) {
+         my $meta_field = $env{'form.fieldname'};
+         my $display_field = $env{'form.fieldname'};
+         $meta_field =~ s/\W/_/g;
+         $meta_field =~ tr/A-Z/a-z/;
+         my $put_result = &Apache::lonnet::put('environment',
+                             {'metadata.'.$meta_field.'.values'=>"",
+                              'metadata.'.$meta_field.'.added'=>"$display_field",
+                              'metadata.'.$meta_field.'.options'=>""},$dom,$crs);
+         $r->print('Added new Metadata Field <strong>'.$env{'form.fieldname'}."</strong> with result ".$put_result.'<br />');
+         $r->print(&continue());
+     } else {
+         my $fields = &get_deleted_meta_fieldnames($env{'request.course.id'});
+         if ($fields) {
+             $r->print('You may undelete previously deleted fields.<br />Check those you wish to undelete and click Undelete.<br />');
+             $r->print('<form method="post" action="">');
+             foreach my $key(keys(%$fields)) {
+                 $r->print('<input type="checkbox" name="undeletefield" value="'.$key.'" />'.$$fields{$key}.'<br /');
+             }
+             $r->print('<input type="submit" name="undelete" value="Undelete" />');
+             $r->print('</form>');
+         }
+         $r->print('<hr /><strong>Or</strong> you may enter a new metadata field name.<form method="post" action="/adm/parmset?action=addmetadata"');
+         $r->print('<input type="text" name="fieldname" /><br />');
+         $r->print('<input type="submit" value="Add Metadata Field" />');
+     }
+     $r->print('</form>');
+ }
+ sub setrestrictmeta {
+     my ($r)=@_;
+     my $next_meta;
+     my $output;
+     my $item_num;
+     my $put_result;
+     $r->print(&Apache::loncommon::start_page('Restrict Metadata'));
+     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Restrict Metadata'));
+     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+     my $key_base = $env{'course.'.$env{'request.course.id'}.'.'};
+     my $save_field = '';
+     if ($env{'form.restrictmeta'}) {
+         foreach my $field (sort(keys(%env))) {
+             if ($field=~m/^form.(.+)_(.+)$/) {
+                 my $options;
+                 my $meta_field = $1;
+                 my $meta_key = $2;
+                 if ($save_field ne $meta_field) {
+                     $save_field = $meta_field;
+             	    if ($env{'form.'.$meta_field.'_stuadd'}) {
+             	        $options.='stuadd,';
+             	    }
+             	    if ($env{'form.'.$meta_field.'_choices'}) {
+             	        $options.='choices,';
+             	    }
+             	    if ($env{'form.'.$meta_field.'_onlyone'} eq 'single') {
+             	        $options.='onlyone,';
+             	    }
+             	    if ($env{'form.'.$meta_field.'_active'}) {
+             	        $options.='active,';
+             	    }
+             	    if ($env{'form.'.$meta_field.'_deleted'}) {
+             	        $options.='deleted,';
+             	    }
+                     my $name = $save_field;
+                      $put_result = &Apache::lonnet::put('environment',
+                                                   {'metadata.'.$meta_field.'.options'=>$options,
+                                                    'metadata.'.$meta_field.'.values'=>$env{'form.'.$meta_field.'_values'},
+                                                    },$dom,$crs);
+                 }
+             }
+         }
+     }
+     &Apache::lonnet::coursedescription($env{'request.course.id'},
+ 				       {'freshen_cache' => 1});
+     # Get the default metadata fields
+     my %metadata_fields = &Apache::lonmeta::fieldnames('portfolio');
+     # Now get possible added metadata fields
+     my $added_metadata_fields = &get_added_meta_fieldnames($env{'request.course.id'});
+     my $row_alt = 1;
+     $output .= &Apache::loncommon::start_data_table();
+     foreach my $field (sort(keys(%metadata_fields))) {
+         if ($field ne 'courserestricted') {
+             $row_alt = $row_alt ? 0 : 1;
+ 	    $output.= &output_row($r, $field, $metadata_fields{$field});
+ 	}
+     }
+     my $buttons = (<<ENDButtons);
+         <input type="submit" name="restrictmeta" value="Save" />
+         </form><br />
+         <form method="post" action="/adm/parmset?action=addmetadata" name="form1">
+         <input type="submit" name="restrictmeta" value="Add a Metadata Field" />
+         </form>
+         <br />
+         <form method="post" action="/adm/parmset?action=ordermetadata" name="form2">
+         <input type="submit" name="restrictmeta" value="Order Metadata Fields" />
+ ENDButtons
+     my $added_flag = 1;
+     foreach my $field (sort(keys(%$added_metadata_fields))) {
+         $row_alt = $row_alt ? 0 : 1;
+         $output.= &output_row($r, $field, $$added_metadata_fields{$field},$added_flag, $row_alt);
+     }
+     $output .= &Apache::loncommon::end_data_table();
+     $r->print(<<ENDenv);
+         <form method="post" action="/adm/parmset?action=setrestrictmeta" name="form">
+         $output
+         $buttons
+         </form>
+ ENDenv
+     $r->print(&Apache::loncommon::end_page());
+     return 'ok';
+ }
+ ##################################################
+ sub get_added_meta_fieldnames {
+     my ($cid) = @_;
+     my %fields;
+     foreach my $key(%env) {
+         if ($key =~ m/\Q$cid\E\.metadata\.(.+)\.added$/) {
+             my $field_name = $1;
+             my ($display_field_name) = $env{$key};
+             $fields{$field_name} = $display_field_name;
+         }
+     }
+     return \%fields;
+ }
+ sub get_deleted_meta_fieldnames {
+     my ($cid) = @_;
+     my %fields;
+     foreach my $key(%env) {
+         if ($key =~ m/\Q$cid\E\.metadata\.(.+)\.added$/) {
+             my $field_name = $1;
+             if ($env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/) {
+                 my ($display_field_name) = $env{$key};
+                 $fields{$field_name} = $display_field_name;
+             }
+         }
+     }
+     return \%fields;
+ }
+ sub defaultsetter {
+     my ($r) = @_;
+     my $start_page =
+ 	&Apache::loncommon::start_page('Parameter Setting Default Actions');
+     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Defaults');
+     $r->print(<<ENDDEFHEAD);
+ $start_page
+ $breadcrumbs
+ <form method="post" action="/adm/parmset?action=setdefaults" name="defaultform">
+ ENDDEFHEAD
+     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+     my @ids=();
+     my %typep=();
+     my %keyp=();
+     my %allparms=();
+     my %allparts=();
+     my %allmaps=();
+     my %mapp=();
+     my %symbp=();
+     my %maptitles=();
+     my %uris=();
+     my %keyorder=&standardkeyorder();
+     my %defkeytype=();
+     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps,
+ 				\%mapp, \%symbp,\%maptitles,\%uris,
+ 				\%keyorder,\%defkeytype);
+     if ($env{'form.storerules'}) {
+ 	my %newrules=();
+ 	my @delrules=();
+ 	my %triggers=();
+ 	foreach my $key (keys(%env)) {
+             if ($key=~/^form\.(\w+)\_action$/) {
+ 		my $tempkey=$1;
+ 		my $action=$env{$key};
+                 if ($action) {
+ 		    $newrules{$tempkey.'_action'}=$action;
+ 		    if ($action ne 'default') {
+ 			my ($whichaction,$whichparm)=($action=~/^(.*\_)([^\_]+)$/);
+ 			$triggers{$whichparm}.=$tempkey.':';
+ 		    }
+ 		    $newrules{$tempkey.'_type'}=$defkeytype{$tempkey};
+ 		    if (&isdateparm($defkeytype{$tempkey})) {
+ 			$newrules{$tempkey.'_days'}=$env{'form.'.$tempkey.'_days'};
+ 			$newrules{$tempkey.'_hours'}=$env{'form.'.$tempkey.'_hours'};
+ 			$newrules{$tempkey.'_min'}=$env{'form.'.$tempkey.'_min'};
+ 			$newrules{$tempkey.'_sec'}=$env{'form.'.$tempkey.'_sec'};
+ 		    } else {
+ 			$newrules{$tempkey.'_value'}=$env{'form.'.$tempkey.'_value'};
+ 			$newrules{$tempkey.'_triggervalue'}=$env{'form.'.$tempkey.'_triggervalue'};
+ 		    }
+ 		} else {
+ 		    push(@delrules,$tempkey.'_action');
+ 		    push(@delrules,$tempkey.'_type');
+ 		    push(@delrules,$tempkey.'_hours');
+ 		    push(@delrules,$tempkey.'_min');
+ 		    push(@delrules,$tempkey.'_sec');
+ 		    push(@delrules,$tempkey.'_value');
+ 		}
+ 	    }
+ 	}
+ 	foreach my $key (keys %allparms) {
+ 	    $newrules{$key.'_triggers'}=$triggers{$key};
+ 	}
+ 	&Apache::lonnet::put('parmdefactions',\%newrules,$dom,$crs);
+ 	&Apache::lonnet::del('parmdefactions',\@delrules,$dom,$crs);
+ 	&resetrulescache();
+     }
+     my %lt=&Apache::lonlocal::texthash('days' => 'Days',
+ 				       'hours' => 'Hours',
+ 				       'min' => 'Minutes',
+ 				       'sec' => 'Seconds',
+ 				       'yes' => 'Yes',
+ 				       'no' => 'No');
+     my @standardoptions=('','default');
+     my @standarddisplay=('',&mt('Default value when manually setting'));
+     my @dateoptions=('','default');
+     my @datedisplay=('',&mt('Default value when manually setting'));
+     foreach my $tempkey (&keysindisplayorder(\%allparms,\%keyorder)) {
+ 	unless ($tempkey) { next; }
+ 	push @standardoptions,'when_setting_'.$tempkey;
+ 	push @standarddisplay,&mt('Automatically set when setting ').$tempkey;
+ 	if (&isdateparm($defkeytype{$tempkey})) {
+ 	    push @dateoptions,'later_than_'.$tempkey;
+ 	    push @datedisplay,&mt('Automatically set later than ').$tempkey;
+ 	    push @dateoptions,'earlier_than_'.$tempkey;
+ 	    push @datedisplay,&mt('Automatically set earlier than ').$tempkey;
+ 	}
+     }
+ $r->print(&mt('Manual setting rules apply to all interfaces.').'<br />'.
+ 	  &mt('Automatic setting rules apply to table mode interfaces only.'));
+     $r->print("\n".&Apache::loncommon::start_data_table().
+ 	      &Apache::loncommon::start_data_table_header_row().
+ 	      "<th>".&mt('Rule for parameter').'</th><th>'.
+ 	      &mt('Action').'</th><th>'.&mt('Value').'</th>'.
+ 	      &Apache::loncommon::end_data_table_header_row());
+     foreach my $tempkey (&keysindisplayorder(\%allparms,\%keyorder)) {
+ 	unless ($tempkey) { next; }
+ 	$r->print("\n".&Apache::loncommon::start_data_table_row().
+ 		  "<td>".$allparms{$tempkey}."\n<br />(".$tempkey.')</td><td>');
+ 	my $action=&rulescache($tempkey.'_action');
+ 	$r->print('<select name="'.$tempkey.'_action">');
+ 	if (&isdateparm($defkeytype{$tempkey})) {
+ 	    for (my $i=0;$i<=$#dateoptions;$i++) {
+ 		if ($dateoptions[$i]=~/\_$tempkey$/) { next; }
+ 		$r->print("\n<option value='$dateoptions[$i]'".
+ 			  ($dateoptions[$i] eq $action?' selected="selected"':'').
+ 			  ">$datedisplay[$i]</option>");
+ 	    }
+ 	} else {
+ 	    for (my $i=0;$i<=$#standardoptions;$i++) {
+ 		if ($standardoptions[$i]=~/\_$tempkey$/) { next; }
+ 		$r->print("\n<option value='$standardoptions[$i]'".
+ 			  ($standardoptions[$i] eq $action?' selected="selected"':'').
+ 			  ">$standarddisplay[$i]</option>");
+ 	    }
+ 	}
+ 	$r->print('</select>');
+ 	unless (&isdateparm($defkeytype{$tempkey})) {
+ 	    $r->print("\n<br />".&mt('Triggering value(s) of other parameter (optional, comma-separated):').
+ 		      '<input type="text" size="20" name="'.$tempkey.'_triggervalue" value="'.&rulescache($tempkey.'_triggervalue').'" />');
+ 	}
+ 	$r->print("\n</td><td>\n");
+         if (&isdateparm($defkeytype{$tempkey})) {
+ 	    my $days=&rulescache($tempkey.'_days');
+ 	    my $hours=&rulescache($tempkey.'_hours');
+ 	    my $min=&rulescache($tempkey.'_min');
+ 	    my $sec=&rulescache($tempkey.'_sec');
+ 	    $r->print(<<ENDINPUTDATE);
+ <input name="$tempkey\_days" type="text" size="4" value="$days" />$lt{'days'}<br />
+ <input name="$tempkey\_hours" type="text" size="4" value="$hours" />$lt{'hours'}<br />
+ <input name="$tempkey\_min" type="text" size="4" value="$min" />$lt{'min'}<br />
+ <input name="$tempkey\_sec" type="text" size="4" value="$sec" />$lt{'sec'}
+ ENDINPUTDATE
+ 	} elsif ($defkeytype{$tempkey} eq 'string_yesno') {
+             my $yeschecked='';
+             my $nochecked='';
+             if (&rulescache($tempkey.'_value') eq 'yes') { $yeschecked='checked="checked"'; }
+             if (&rulescache($tempkey.'_value') eq 'no') { $nochecked='checked="checked"'; }
+ 	    $r->print(<<ENDYESNO);
+ <label><input type="radio" name="$tempkey\_value" value="yes" $yeschecked /> $lt{'yes'}</label><br />
+ <label><input type="radio" name="$tempkey\_value" value="no" $nochecked /> $lt{'no'}</label>
+ ENDYESNO
+         } else {
+ 	    $r->print('<input type="text" size="20" name="'.$tempkey.'_value" value="'.&rulescache($tempkey.'_value').'" />');
+ 	}
+         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
+     }
+     $r->print(&Apache::loncommon::end_data_table().
+ 	      "\n<input type='submit' name='storerules' value='".
+ 	      &mt('Store Rules')."' /></form>\n".
+ 	      &Apache::loncommon::end_page());
+     return;
+ }
+ sub components {
+     my ($key,$uname,$udom,$exeuser,$exedomain,$typeflag)=@_;
+     if ($typeflag) {
+ 	$key=~s/\.type$//;
+     }
+     my ($middle,$part,$name)=
+ 	($key=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
+     my $issection;
+     my $section=&mt('All Students');
+     if ($middle=~/^\[(.*)\]/) {
+ 	$issection=$1;
+ 	$section=&mt('Group/Section').': '.$issection;
+ 	$middle=~s/^\[(.*)\]//;
+     }
+     $middle=~s/\.+$//;
+     $middle=~s/^\.+//;
+     if ($uname) {
+ 	$section=&mt('User').": ".&Apache::loncommon::plainname($uname,$udom);
+ 	$issection='';
+     }
+     my $realm='<span class="LC_parm_scope_all">'.&mt('All Resources').'</span>';
+     my $realmdescription=&mt('all resources');
+     if ($middle=~/^(.+)\_\_\_\(all\)$/) {
+ 	$realm='<span class="LC_parm_scope_folder">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <span class="LC_parm_folder"><br />('.$1.')</span></span>';
+  	$realmdescription=&mt('folder').' '.&Apache::lonnet::gettitle($1);
+    } elsif ($middle) {
+ 	my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
+ 	$realm='<span class="LC_parm_scope_resource">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><span class="LC_parm_symb">('.$url.' in '.$map.' id: '.$id.')</span></span>';
+ 	$realmdescription=&mt('resource').' '.&Apache::lonnet::gettitle($middle);
+     }
+     my $what=$part.'.'.$name;
+     return ($realm,$section,$name,$part,
+ 	    $what,$middle,$uname,$udom,$issection,$realmdescription);
+ }
+ my %standard_parms;
+ sub load_parameter_names {
+     open(my $config,"<$Apache::lonnet::perlvar{'lonTabDir'}/packages.tab");
+     while (my $configline=<$config>) {
+ 	if ($configline !~ /\S/ || $configline=~/^\#/) { next; }
+ 	chomp($configline);
+ 	my ($short,$plain)=split(/:/,$configline);
+ 	my (undef,$name,$type)=split(/\&/,$short,3);
+ 	if ($type eq 'display') {
+ 	    $standard_parms{$name} = $plain;
+ 	}
+     }
+     close($config);
+     $standard_parms{'int_pos'}      = 'Positive Integer';
+     $standard_parms{'int_zero_pos'} = 'Positive Integer or Zero';
+     %standard_parms=&Apache::lonlocal::texthash(%standard_parms);
+ }
+ sub standard_parameter_names {
+     my ($name)=@_;
+     if (!%standard_parms) {
+ 	&load_parameter_names();
+     }
+     if ($standard_parms{$name}) {
+ 	return $standard_parms{$name};
+     } else {
+ 	return $name;
+     }
+ }
+ #
+ # Parameter Change Log
+ #
+ sub parm_change_log {
+     my ($r)=@_;
+     $r->print(&Apache::loncommon::start_page('Parameter Change Log'));
+     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Change Log'));
+     my %parmlog=&Apache::lonnet::dump('nohist_parameterlog',
+ 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
+ 				      $env{'course.'.$env{'request.course.id'}.'.num'});
+     if ((keys(%parmlog))[0]=~/^error\:/) { undef(%parmlog); }
+     $r->print('<form action="/adm/parmset?action=parameterchangelog"
+                      method="post" name="parameterlog">');
+     my %saveable_parameters = ('show' => 'scalar',);
+     &Apache::loncommon::store_course_settings('parameter_log',
+                                               \%saveable_parameters);
+     &Apache::loncommon::restore_course_settings('parameter_log',
+                                                 \%saveable_parameters);
+     $r->print(&Apache::loncommon::display_filter().
+               '<label>'.&Apache::lonhtmlcommon::checkbox('includetypes',$env{'form.includetypes'},'1').
+ 	      ' '.&mt('Include parameter types').'</label>'.
+ 	      '<input type="submit" value="'.&mt('Display').'" /></form>');
+     my $courseopt=&Apache::lonnet::get_courseresdata($env{'course.'.$env{'request.course.id'}.'.num'},
+ 						     $env{'course.'.$env{'request.course.id'}.'.domain'});
+     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
+ 	      '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Extent').'</th><th>'.&mt('Users').'</th><th>'.
+ 	      &mt('Parameter').'</th><th>'.&mt('Part').'</th><th>'.&mt('New Value').'</th><th>'.&mt('Announce').'</th>'.
+ 	      &Apache::loncommon::end_data_table_header_row());
+     my $shown=0;
+     my $folder='';
+     if ($env{'form.displayfilter'} eq 'currentfolder') {
+ 	my $last='';
+ 	if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
+ 		&GDBM_READER(),0640)) {
+ 	    $last=$hash{'last_known'};
+ 	    untie(%hash);
+ 	}
+ 	if ($last) { ($folder) = &Apache::lonnet::decode_symb($last); }
+     }
+     foreach my $id (sort
+ 		    {
+ 			if ($parmlog{$b}{'exe_time'} ne $parmlog{$a}{'exe_time'}) {
+ 			    return $parmlog{$b}{'exe_time'} <=>$parmlog{$a}{'exe_time'}
+ 			}
+ 			my $aid = (split('00000',$a))[-1];
+ 			my $bid = (split('00000',$b))[-1];
+ 			return $bid<=>$aid;
+ 		    } (keys(%parmlog))) {
+         my @changes=keys(%{$parmlog{$id}{'logentry'}});
+ 	my $count = 0;
+ 	my $time =
+ 	    &Apache::lonlocal::locallocaltime($parmlog{$id}{'exe_time'});
+ 	my $plainname =
+ 	    &Apache::loncommon::plainname($parmlog{$id}{'exe_uname'},
+ 					  $parmlog{$id}{'exe_udom'});
+ 	my $about_me_link =
+ 	    &Apache::loncommon::aboutmewrapper($plainname,
+ 					       $parmlog{$id}{'exe_uname'},
+ 					       $parmlog{$id}{'exe_udom'});
+ 	my $send_msg_link='';
+ 	if ((($parmlog{$id}{'exe_uname'} ne $env{'user.name'})
+ 	     || ($parmlog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
+ 	    $send_msg_link ='<br />'.
+ 		&Apache::loncommon::messagewrapper(&mt('Send message'),
+ 						   $parmlog{$id}{'exe_uname'},
+ 						   $parmlog{$id}{'exe_udom'});
+ 	}
+ 	my $row_start=&Apache::loncommon::start_data_table_row();
+ 	my $makenewrow=0;
+ 	my %istype=();
+ 	my $output;
+ 	foreach my $changed (reverse(sort(@changes))) {
+             my $value=$parmlog{$id}{'logentry'}{$changed};
+ 	    my $typeflag = ($changed =~/\.type$/ &&
+ 			    !exists($parmlog{$id}{'logentry'}{$changed.'.type'}));
+             my ($realm,$section,$parmname,$part,$what,$middle,$uname,$udom,$issection,$realmdescription)=
+ 		&components($changed,$parmlog{$id}{'uname'},$parmlog{$id}{'udom'},undef,undef,$typeflag);
+ 	    if ($env{'form.displayfilter'} eq 'currentfolder') {
+ 		if ($folder) {
+ 		    if ($middle!~/^\Q$folder\E/) { next; }
+ 		}
+ 	    }
+ 	    if ($typeflag) {
+ 		$istype{$parmname}=$value;
+ 		if (!$env{'form.includetypes'}) { next; }
+ 	    }
+ 	    $count++;
+ 	    if ($makenewrow) {
+ 		$output .= $row_start;
+ 	    } else {
+ 		$makenewrow=1;
+ 	    }
+ 	    $output .='<td>'.$realm.'</td><td>'.$section.'</td><td>'.
+ 		      &standard_parameter_names($parmname).'</td><td>'.
+ 		      ($part?&mt('Part: [_1]',$part):&mt('All Parts')).'</td><td>';
+ 	    my $stillactive=0;
+ 	    if ($parmlog{$id}{'delflag'}) {
+ 		$output .= &mt('Deleted');
+ 	    } else {
+ 		if ($typeflag) {
+ 		    $output .= &mt('Type: [_1]',&standard_parameter_names($value));
+ 		} else {
+ 		    my ($level,@all)=&parmval_by_symb($what,$middle,&Apache::lonnet::metadata($middle,$what),
+ 						      $uname,$udom,$issection,$issection,$courseopt);
+ 		    if (&isdateparm($istype{$parmname})) {
+ 			$output .= &Apache::lonlocal::locallocaltime($value);
+ 		    } else {
+ 			$output .= $value;
+ 		    }
+ 		    if ($value ne $all[$level]) {
+ 			$output .= '<br /><span class="LC_warning">'.&mt('Not active anymore').'</span>';
+ 		    } else {
+ 			$stillactive=1;
+ 		    }
+ 		}
+ 	    }
+ 	    $output .= '</td><td>';
+ 	    if ($stillactive) {
+ 		my $title=&mt('Changed [_1]',&standard_parameter_names($parmname));
+                 my $description=&mt('Changed [_1] for [_2] to [_3]',&standard_parameter_names($parmname),$realmdescription,
+ 				    (&isdateparm($istype{$parmname})?&Apache::lonlocal::locallocaltime($value):$value));
+ 		if (($uname) && ($udom)) {
+ 		    $output .=
+ 			&Apache::loncommon::messagewrapper('Notify User',
+ 							   $uname,$udom,$title,
+ 							   $description);
+ 		} else {
+ 		    $output .=
+ 			&Apache::lonrss::course_blog_link($id,$title,
+ 							  $description);
+ 		}
+ 	    }
+ 	    $output .= '</td>'.&Apache::loncommon::end_data_table_row();
+ 	}
+         if ($env{'form.displayfilter'} eq 'containing') {
+ 	    my $wholeentry=$about_me_link.':'.
+ 		$parmlog{$id}{'exe_uname'}.':'.$parmlog{$id}{'exe_udom'}.':'.
+ 		$output;
+ 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }
+ 	}
+         if ($count) {
+ 	    $r->print($row_start.'<td rowspan="'.$count.'">'.$time.'</td>
+                        <td rowspan="'.$count.'">'.$about_me_link.
+ 		  '<br /><tt>'.$parmlog{$id}{'exe_uname'}.
+ 			          ':'.$parmlog{$id}{'exe_udom'}.'</tt>'.
+ 		  $send_msg_link.'</td>'.$output);
+ 	    $shown++;
+ 	}
+ 	if (!($env{'form.show'} eq &mt('all')
+ 	      || $shown<=$env{'form.show'})) { last; }
+     }
+     $r->print(&Apache::loncommon::end_data_table());
+     $r->print(&Apache::loncommon::end_page());
+ }
+ sub check_for_course_info {
+     my $navmap = Apache::lonnavmaps::navmap->new();
+     return 1 if ($navmap);
+     return 0;
+ }
  ##################################################
  ##################################################
- Line 2548  Main handler.  Calls &assessparms and &c
+ Line 3901  Main handler.  Calls &assessparms and &c
  =cut
  ##################################################
  ##################################################
-     use Data::Dumper;
+ #    use Data::Dumper;
  sub handler {
      my $r=shift;
- Line 2562  sub handler {
+ Line 3917  sub handler {
                                               'pres_marker',
                                               'pres_value',
                                               'pres_type',
-                                              'udom','uname','symb']);
+                                              'udom','uname','symb','serial']);
      &Apache::lonhtmlcommon::clear_breadcrumbs();
      &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
  					    text=>"Parameter Manager",
  					    faq=>10,
- 					    bug=>'Instructor Interface'});
+ 					    bug=>'Instructor Interface',
+                                             help => 'Parameter_Manager'});
  # ----------------------------------------------------- Needs to be in a course
      my $parm_permission =
  	(&Apache::lonnet::allowed('opa',$env{'request.course.id'}) ||
  	 &Apache::lonnet::allowed('opa',$env{'request.course.id'}.'/'.
  				  $env{'request.course.sec'}));
-     if ($env{'request.course.id'} &&  $parm_permission) {
+     my $exists = &check_for_course_info();
+     if ($env{'request.course.id'} &&  $parm_permission && $exists) {
          # Start Page
          &Apache::loncommon::content_type($r,'text/html');
- Line 2594  sub handler {
+ Line 3952  sub handler {
          #  the table mode
          if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
  	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
+             &Apache::lonhtmlcommon::add_breadcrumb({help=>'Problem_Parameters',
+ 						    text=>"Problem Parameters"});
  	    &assessparms($r);
          } elsif (! exists($env{'form.action'})) {
              $r->print(&header());
-             $r->print(&Apache::lonhtmlcommon::breadcrumbs(undef,
+             $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Manager'));
- 							 'Parameter Manager'));
              &print_main_menu($r,$parm_permission);
          } elsif ($env{'form.action'} eq 'crsenv' && $parm_permission) {
              &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=crsenv',
  						    text=>"Course Environment"});
-             $r->print(&Apache::lonhtmlcommon::breadcrumbs(undef,
- 						   'Edit Course Environment'));
              &crsenv($r);
          } elsif ($env{'form.action'} eq 'setoverview' && $parm_permission) {
              &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
  						    text=>"Overview Mode"});
  	    &overview($r);
+ 	} elsif ($env{'form.action'} eq 'addmetadata' && $parm_permission) {
+             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
+ 						    text=>"Add Metadata Field"});
+ 	    &addmetafield($r);
+ 	} elsif ($env{'form.action'} eq 'ordermetadata' && $parm_permission) {
+             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
+ 						    text=>"Add Metadata Field"});
+ 	    &order_meta_fields($r);
+         } elsif ($env{'form.action'} eq 'setrestrictmeta' && $parm_permission) {
+             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setrestrictmeta',
+ 						    text=>"Restrict Metadata"});
+ 	    &setrestrictmeta($r);
          } elsif ($env{'form.action'} eq 'newoverview' && $parm_permission) {
              &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
  						    text=>"Overview Mode"});
  	    &newoverview($r);
-         } elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
+         }  elsif ($env{'form.action'} eq 'setdefaults' && $parm_permission) {
+             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setdefaults',
+ 						    text=>"Set Defaults"});
+ 	    &defaultsetter($r);
+ 	} elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
              &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
  						    text=>"Table Mode",
  						    help => 'Course_Setting_Parameters'});
  	    &assessparms($r);
-         }
+         } elsif ($env{'form.action'} eq 'parameterchangelog' && $parm_permission) {
+             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
+ 						    text=>"Parameter Change Log"});
+ 	    &parm_change_log($r);
+         } elsif ($env{'form.action'} eq 'cleanparameters' && $parm_permission) {
+             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=cleanparameters',
+ 						    text=>"Clean Parameters"});
+ 	    &clean_parameters($r);
+ 	}
      } else {
  # ----------------------------- Not in a course, or not allowed to modify parms
- 	$env{'user.error.msg'}=
+ 	if ($exists) {
- 	    "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
+ 	    $env{'user.error.msg'}=
+ 		"/adm/parmset:opa:0:0:Cannot modify assessment parameters";
+ 	} else {
+ 	    $env{'user.error.msg'}=
+ 		"/adm/parmset::0:1:Course environment gone, reinitialize the course";
+ 	}
  	return HTTP_NOT_ACCEPTABLE;
      }
      return OK;

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.219
changed lines
	Added in v.1.361