--- loncom/interface/lonmeta.pm	2001/08/10 17:20:19	1.7
+++ loncom/interface/lonmeta.pm	2023/11/07 21:31:11	1.257
@@ -1,114 +1,1921 @@
 # The LearningOnline Network with CAPA
-#
 # Metadata display handler
 #
-# (TeX Content Handler
+# $Id: lonmeta.pm,v 1.257 2023/11/07 21:31:11 raeburn Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
 #
-# 05/29/00,05/30,10/11 Gerd Kortemeyer)
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
-# 10/19,10/21,10/23,11/27,08/09/01 Gerd Kortemeyer
+# You should have received a copy of the GNU General Public License 
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+
 
 package Apache::lonmeta;
 
 use strict;
+use LONCAPA::lonmetadata();
 use Apache::Constants qw(:common);
-use Apache::lonnet();
+use Apache::lonnet;
+use Apache::loncommon();
+use Apache::lonhtmlcommon(); 
+use Apache::lonmsg;
+use Apache::lonpublisher;
+use Apache::lonlocal;
+use Apache::lonmysql;
+use Apache::lonmsg;
+use LONCAPA qw(:DEFAULT :match);
+
+
+sub get_dynamic_metadata_from_sql {
+    my ($url) = shift();
+    my ($authordom,$author)=($url=~m{^/res/($match_domain)/($match_username)/});
+    if (! defined($authordom)) {
+        $authordom = shift();
+    }
+    if  (! defined($author)) { 
+        $author = shift();
+    }
+    if (! defined($authordom) || ! defined($author)) {
+        return ();
+    }
+    my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
+    my $server = &Apache::lonnet::homeserver($author,$authordom);
+    my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
+                                                ,[$server]);
+    return () if (! defined($reply) || ref($reply) ne 'HASH');
+    my $filename = $reply->{$server};
+    if (! defined($filename) || $filename =~ /^error/) {
+        return ();
+    }
+    my $max_time = time + 10; # wait 10 seconds for results at most
+    my %ReturnHash;
+    #
+    # Look for results
+    my $finished = 0;
+    while (! $finished && time < $max_time) {
+        my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
+        if (! -e "$datafile.end") { next; }
+        my $fh;
+        if (!($fh=Apache::File->new($datafile))) { next; }
+        while (my $result = <$fh>) {
+            chomp($result);
+            next if (! $result);
+            my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata',
+								 map { &unescape($_) } split(/\,/,$result));
+            foreach my $key (keys(%hash)) {
+                $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
+            }
+        }
+        $finished = 1;
+    }
+    #
+    return %ReturnHash;
+}
+
+
+# Fetch and evaluate dynamic metadata
+sub dynamicmeta {
+    my $url=&Apache::lonnet::declutter(shift);
+    $url=~s/\.meta$//;
+    my ($adomain,$aauthor)=($url=~/^($match_domain)\/($match_username)\//);
+    my $regexp=$url;
+    $regexp=~s/(\W)/\\$1/g;
+    $regexp='___'.$regexp.'___';
+    my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
+				       $aauthor,$regexp);
+    my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
+    my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
+                                                               \%DynamicData);
+    #
+    # Deal with 'count' separately
+    $Data{'count'} = &access_count($url,$aauthor,$adomain);
+    #
+    # Debugging code I will probably need later
+    if (0) {
+        &Apache::lonnet::logthis('Dynamic Metadata');
+        while(my($k,$v)=each(%Data)){
+            &Apache::lonnet::logthis('    "'.$k.'"=>"'.$v.'"');
+        }
+        &Apache::lonnet::logthis('-------------------');
+    }
+    return %Data;
+}
+
+sub access_count {
+    my ($src,$author,$adomain) = @_;
+    my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
+                                        $author,$src);
+    if (! exists($countdata{$src})) {
+        return &mt('Not Available');
+    } else {
+        return $countdata{$src};
+    }
+}
+
+# Try to make an alt tag if there is none
+sub alttag {
+    my ($base,$src)=@_;
+    my $fullpath=&Apache::lonnet::hreflocation($base,$src);
+    my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
+        &Apache::lonnet::metadata($fullpath,'subject').' '.
+        &Apache::lonnet::metadata($fullpath,'abstract');
+    $alttag=~s/\s+/ /gs;
+    $alttag=~s/\"//gs;
+    $alttag=~s/\'//gs;
+    $alttag=~s/\s+$//gs;
+    $alttag=~s/^\s+//gs;
+    if ($alttag) { 
+        return $alttag; 
+    } else { 
+        return &mt('No information available'); 
+    }
+}
+
+# Author display
+sub authordisplay {
+    my ($aname,$adom)=@_;
+    return &Apache::loncommon::aboutmewrapper
+        (&Apache::loncommon::plainname($aname,$adom),
+         $aname,$adom,'preview').' <tt>['.$aname.':'.$adom.']</tt>';
+}
+
+# Pretty display
+sub evalgraph {
+    my $value=shift;
+    if (! $value) { 
+        return '';
+    }
+    my $val=int($value*10.+0.5)-10;
+    my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
+    if ($val>=20) {
+	$output.='<td width="20" bgcolor="#555555">'.('&nbsp;' x2).'</td>';
+    } else {
+        $output.='<td width="'.($val).'" bgcolor="#555555">&nbsp;</td>'.
+                 '<td width="'.(20-$val).'" bgcolor="#FF3333">&nbsp;</td>';
+    }
+    $output.='<td bgcolor="#FFFF33">&nbsp;</td>';
+    if ($val>20) {
+	$output.='<td width="'.($val-20).'" bgcolor="#33FF33">&nbsp;</td>'.
+                 '<td width="'.(40-$val).'" bgcolor="#555555">&nbsp;</td>';
+    } else {
+        $output.='<td width="20" bgcolor="#555555">'.('&nbsp;' x2).'</td>';
+    }
+    $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
+    return $output;
+}
+
+sub diffgraph {
+    my $value=shift;
+    if (! $value) { 
+        return '';
+    }
+    my $val=int(40.0*$value+0.5);
+    my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
+                '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
+    my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
+    for (my $i=0;$i<8;$i++) {
+	if ($val>$i*5) {
+            $output.='<td width="5" bgcolor="'.$colors[$i].'">&nbsp;</td>';
+        } else {
+	    $output.='<td width="5" bgcolor="#555555">&nbsp;</td>';
+	}
+    }
+    $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
+    return $output;
+}
+
+
+# The field names
+sub fieldnames {
+    my $file_type=shift;
+    my %fields = 
+        ('title' => 'Title',
+         'author' =>'Author(s)',
+         'authorspace' => 'Author Space',
+         'modifyinguser' => 'Last Modifying User',
+         'subject' => 'Subject',
+         'standards' => 'Standards',
+         'keywords' => 'Keyword(s)',
+         'notes' => 'Notes',
+         'abstract' => 'Abstract',
+         'lowestgradelevel' => 'Lowest Grade Level',
+         'highestgradelevel' => 'Highest Grade Level');
+    
+    if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) {
+        %fields = 
+        (%fields,
+         'domain' => 'Domain',
+         'mime' => 'MIME Type',
+         'language' => 'Language',
+         'creationdate' => 'Creation Date',
+         'lastrevisiondate' => 'Last Revision Date',
+         'owner' => 'Publisher/Owner',
+         'copyright' => 'Copyright/Distribution',
+         'customdistributionfile' => 'Custom Distribution File',
+         'sourceavail' => 'Source Available',
+         'sourcerights' => 'Source Custom Distribution File',
+         'obsolete' => 'Obsolete',
+         'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
+         'count'      => 'Network-wide number of accesses (hits)',
+         'course'     => 'Network-wide number of courses using resource',
+         'course_list' => 'Network-wide courses using resource',
+         'sequsage'      => 'Number of resources using or importing resource',
+         'sequsage_list' => 'Resources using or importing resource',
+         'goto'       => 'Number of resources that follow this resource in maps',
+         'goto_list'  => 'Resources that follow this resource in maps',
+         'comefrom'   => 'Number of resources that lead up to this resource in maps',
+         'comefrom_list' => 'Resources that lead up to this resource in maps',
+         'clear'      => 'Material presented in clear way',
+         'depth'      => 'Material covered with sufficient depth',
+         'helpful'    => 'Material is helpful',
+         'correct'    => 'Material appears to be correct',
+         'technical'  => 'Resource is technically correct', 
+         'avetries'   => 'Average number of tries till solved',
+         'stdno'      => 'Statistics calculated for number of students',
+         'difficulty' => 'Degree of difficulty',
+         'disc'       => 'Degree of discrimination',
+	     'dependencies' => 'Resources used by this resource',
+         );
+    }
+    return &Apache::lonlocal::texthash(%fields);
+}
+
+sub portfolio_linked_path {
+    my ($path,$group,$port_path) = @_;
+
+    my $start = 'portfolio';
+    if ($group) {
+	$start = "groups/$group/".$start;
+    }
+    my %anchor_fields = (
+        'selectfile'  => $start,
+        'currentpath' => '/'
+    );
+    my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
+    my $fullpath = '/';
+    my (undef,@tree) = split('/',$path);
+    my $filename = pop(@tree);
+    foreach my $dir (@tree) {
+	$fullpath .= $dir.'/';
+	$result .= '/';
+	my %anchor_fields = (
+            'selectfile'  => $dir,
+            'currentpath' => $fullpath
+        );
+	$result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
+    }
+    $result .= "/$filename";
+    return $result;
+}
+
+sub get_port_path_and_group {
+    my ($uri)=@_;
+
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+
+    my ($port_path,$group);
+    if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
+	$group = (split('/',$uri))[5];
+	$port_path = '/adm/coursegrp_portfolio';
+    } else {
+	$port_path = '/adm/portfolio';
+    }
+    if ($env{'form.group'} ne $group) {
+	$env{'form.group'} = $group;
+    }
+    return ($port_path,$group);
+}
+
+sub portfolio_display_uri {
+    my ($uri,$as_links)=@_;
+
+    my ($port_path,$group) = &get_port_path_and_group($uri);
+
+    $uri =~ s|.*/(portfolio/.*)$|$1|;
+    my ($res_uri,$meta_uri) = ($uri,$uri);
+    if ($uri =~ /\.meta$/) {
+	$res_uri =~ s/\.meta//;
+    } else {
+	$meta_uri .= '.meta';
+    }
+
+    my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
+    if ($as_links) {
+	$res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
+	$meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
+    }
+    return ($res_uri,$meta_uri,$path);
+}
+
+sub pre_select_course {
+    my ($r,$uri) = @_;
+    my $output;
+    my $fn=&Apache::lonnet::filelocation('',$uri);
+    my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
+    %Apache::lonpublisher::metadatafields=();
+    %Apache::lonpublisher::metadatakeys=();
+    my $result=&Apache::lonnet::getfile($fn);
+    if ($result == -1){
+        $r->print(&mt('Creating new file [_1]'),$meta_uri);
+    } else {
+        &Apache::lonpublisher::metaeval($result);
+    }
+    $r->print('<hr /><form method="post" action="" >');
+    $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, "None".','<tt>'.$res_uri.'</tt>').'</p>');
+    $output = &select_course();
+    $r->print($output.'<br /><input type="submit" name="store" value="'.
+                  &mt('Associate Resource With Selected Course').'" />');
+    $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
+    $r->print('<input type="hidden" name="associate" value="true" />');
+    $r->print('</form>');
+    
+    my ($port_path,$group) = &get_port_path_and_group($uri);
+    my $group_input;
+    if ($group) {
+        $group_input = '<input type="hidden" name="group" value="'.$group.'" />';
+    } 
+    $r->print(' <form method="post" action="'.$port_path.'">'.
+              '<input type="hidden" name="currentpath" value="'.$path.'" />'.
+	      $group_input.
+	      '<input type="submit" name="cancel" value="'.&mt('Cancel').'" />'.
+	      '</form>');
+
+    return;
+}
+sub select_course {
+    my $output=$/;
+    my $current_restriction=
+	$Apache::lonpublisher::metadatafields{'courserestricted'};
+    my $selected = ($current_restriction eq 'none' ? 'selected="selected"' 
+		                                   : '');
+    if ($current_restriction =~ /^course\.($match_domain\_$match_courseid)$/) {
+        my $assoc_crs = $1;
+        my $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
+        if (ref($added_metadata_fields) eq 'HASH') {
+            if (keys(%{$added_metadata_fields}) > 0) {
+                my $transfernotes;
+                foreach my $field_name (keys(%{$added_metadata_fields})) {
+                    my $value = $Apache::lonpublisher::metadatafields{$field_name};
+                    if ($value) {
+                        $transfernotes .= 
+                            &Apache::loncommon::start_data_table_row(). 
+                            '<td><input type="checkbox" name="transfer_'.
+                            $field_name.'" value="1" /></td><td>'.
+                            $field_name.'</td><td>'.$value.'</td>'.
+                            &Apache::loncommon::end_data_table_row();
+                    }
+                }
+                if ($transfernotes ne '') {
+                    my %courseinfo = &Apache::lonnet::coursedescription($assoc_crs,{'one_time' => 1});
+                    my $assoc_crs_description = $courseinfo{'description'};
+                    $output .= &mt('This resource is currently associated with a course ([_1]) which includes added metadata fields specific to the course.',$assoc_crs_description).'<br />'."\n".
+                    &mt('You can choose to transfer data from the added fields to the "Notes" field if you are planning to change the course association.').'<br /><br />'.
+                    &Apache::loncommon::start_data_table().
+                    &Apache::loncommon::start_data_table_header_row().
+                    '<th>'.&mt('Copy to notes?').'</th>'."\n".
+                    '<th>'.&mt('Field Name').'</th>'."\n".
+                    '<th>'.&mt('Values').'</th>'."\n".
+                    &Apache::loncommon::end_data_table_header_row().
+                    $transfernotes.
+                    &Apache::loncommon::end_data_table().'<br />';
+                }
+            }
+        }
+    }
+    $output .= '<select name="new_courserestricted" >';
+    $output .= '<option value="none" '.$selected.'>'.
+	&mt('None').'</option>'.$/;
+    my %courses;
+    foreach my $key (keys(%env)) {
+        if ($key !~ m/^course\.(.+)\.description$/) { next; }
+	my $cid = $1;
+        if ($env{$key} !~ /\S/) { next; }
+	$courses{$key} = $cid;
+    }
+    foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
+	my $cid = 'course.'.$courses{$key};
+	my $selected = ($current_restriction eq $cid ? 'selected="selected"' 
+		                                     : '');
+        if ($env{$key} !~ /\S/) { next; }
+	$output .= '<option value="'.$cid.'" '.$selected.'>';
+	$output .= $env{$key};
+	$output .= '</option>'.$/;
+	$selected = '';
+    }
+    $output .= '</select><br />';
+    return ($output);
+}
+# Pretty printing of metadata field
 
+sub prettyprint {
+    my ($type,$value,$target,$prefix,$form)=@_;
+# $target,$prefix,$form are optional and for filecrumbs only
+    if (! defined($value)) { 
+        return '&nbsp;'; 
+    }
+    # Title
+    if ($type eq 'title') {
+	return $value;
+    }
+    # Dates
+    if (($type eq 'creationdate') ||
+	($type eq 'lastrevisiondate')) {
+	return ($value?&Apache::lonlocal::locallocaltime(
+			  &Apache::lonmysql::unsqltime($value)):
+		&mt('not available'));
+    }
+    # Language
+    if ($type eq 'language') {
+	return &Apache::loncommon::languagedescription($value);
+    }
+    # Copyright
+    if ($type eq 'copyright') {
+	return &Apache::loncommon::copyrightdescription($value);
+    }
+    # Copyright
+    if ($type eq 'sourceavail') {
+	return &Apache::loncommon::source_copyrightdescription($value);
+    }
+    # MIME
+    if ($type eq 'mime') {
+        return '<img src="'.&Apache::loncommon::icon($value).'" alt="" />&nbsp;'.
+            &Apache::loncommon::filedescription($value);
+    }
+    # Person
+    if (($type eq 'author') || 
+	($type eq 'owner') ||
+	($type eq 'modifyinguser') ||
+	($type eq 'authorspace')) {
+	$value=~s/($match_username)(\:|\@)($match_domain)/&authordisplay($1,$3)/gse;
+	return $value;
+    }
+    # Gradelevel
+    if (($type eq 'lowestgradelevel') ||
+	($type eq 'highestgradelevel')) {
+	return &Apache::loncommon::gradeleveldescription($value);
+    }
+    # Only for advance users below
+    if (! $env{'user.adv'}) { 
+        return '<i>- '.&mt('not displayed').' -</i>';
+    }
+    # File
+    if (($type eq 'customdistributionfile') ||
+	($type eq 'obsoletereplacement') ||
+	($type eq 'goto_list') ||
+	($type eq 'comefrom_list') ||
+	($type eq 'sequsage_list') ||
+	($type eq 'dependencies')) {
+	return '<ul class="LC_fontsize_medium">'.join("\n",map {
+            my $url = &Apache::lonnet::clutter_with_no_wrapper($_);
+            my $title = &Apache::lonnet::gettitle($url);
+            if ($title eq '') {
+                $title = 'Untitled';
+                if ($url =~ /\.sequence$/) {
+                    $title .= ' Sequence';
+                } elsif ($url =~ /\.page$/) {
+                    $title .= ' Page';
+                } elsif ($url =~ /\.problem$/) {
+                    $title .= ' Problem';
+                } elsif ($url =~ /\.html$/) {
+                    $title .= ' HTML document';
+                } elsif ($url =~ m:/syllabus$:) {
+                    $title .= ' Syllabus';
+                } 
+            }
+            $_ = '<li>'.$title.' '.
+                 &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form).
+                 '</li>'
+	    } split(/\s*\,\s*/,$value)).'</ul>';
+    }
+    # Evaluations
+    if (($type eq 'clear') ||
+	($type eq 'depth') ||
+	($type eq 'helpful') ||
+	($type eq 'correct') ||
+	($type eq 'technical')) {
+	return &evalgraph($value);
+    }
+    # Difficulty
+    if ($type eq 'difficulty' || $type eq 'disc') {
+	return &diffgraph($value);
+    }
+    # List of courses
+    if ($type=~/\_list/) {
+        my @Courses = split(/\s*\,\s*/,$value);
+        my $Str='<ul class="LC_fontsize_medium">';
+	my %descriptions;
+        foreach my $course (@Courses) {
+            my %courseinfo =
+		&Apache::lonnet::coursedescription($course,
+						   {'one_time' => 1});
+            if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
+                next;
+            }
+	    $descriptions{join('\0',@courseinfo{'domain','description'})} .= 
+		'<li><a href="/public/'.$courseinfo{'domain'}.'/'.
+                $courseinfo{'num'}.'/syllabus" target="preview">'.
+                $courseinfo{'description'}.' ('.$courseinfo{'domain'}.
+		')</a></li>';
+        }
+	foreach my $course (sort {lc($a) cmp lc($b)} (keys(%descriptions))) {
+	    $Str .= $descriptions{$course};
+	}
+
+	return $Str.'</ul>';
+    }
+    # No pretty print found
+    return $value;
+}
+
+# Pretty input of metadata field
+sub direct {
+    return shift;
+}
 
-# ================================================================ Main Handler
+sub selectbox {
+    my ($name,$value,$readonly,$functionref,@idlist)=@_;
+    if (! defined($functionref)) {
+        $functionref=\&direct;
+    }
+    my $disabled;
+    if ($readonly) {
+        $disabled = ' disabled="disabled"';
+    }
+    my $selout='<select name="'.$name.'">';
+    foreach my $id (@idlist) {
+        $selout.='<option value="'.$id.'"'.$disabled;
+        if ($id eq $value) {
+	    $selout.=' selected="selected">'.&{$functionref}($id).'</option>';
+        } else {
+            $selout.='>'.&{$functionref}($id).'</option>';
+        }
+    }
+    return $selout.'</select>';
+}
 
+sub relatedfield {
+    my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
+    if (! $relatedsearchflag) { 
+        return '';
+    }
+    if (! defined($relatedsep)) {
+        $relatedsep=' ';
+    }
+    if (! $show) {
+        return $relatedsep.'&nbsp;';
+    }
+    return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
+	($relatedvalue?' checked="checked"':'').' />';
+}
+
+sub prettyinput {
+    my ($type,$value,$readonly,$fieldname,$formname,
+	$relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
+    if (! defined($size)) {
+        $size = 80;
+    }
+    my $output;
+    if (defined($course_key) 
+	&& exists($env{$course_key.'.metadata.'.$type.'.options'})) {
+        my $stu_add;
+        my $only_one;
+        my %meta_options;
+        my @cur_values_inst;
+        my $cur_values_stu;
+        my $values = $env{$course_key.'.metadata.'.$type.'.values'};
+        if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
+            $stu_add = 'true';
+        }
+        if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
+            $only_one = 'true';
+        }
+        # need to take instructor values out of list where instructor and student
+        # values may be mixed.
+        if ($values) {
+            foreach my $item (split(/,/,$values)) {
+                $item =~ s/^\s+//;
+                $meta_options{$item} = $item;
+            }
+            foreach my $item (split(/,/,$value)) {
+                $item =~ s/^\s+//;
+                if ($meta_options{$item}) {
+                    push(@cur_values_inst,$item);
+                } else {
+                    if ($item ne '') {
+                        $cur_values_stu .= $item.',';
+                    }
+                }
+            }
+             $cur_values_stu =~ s/,$//;
+            my @key_order = sort(keys(%meta_options));
+            unshift(@key_order,'');
+            $meta_options{''} = 'Not specified';
+            $meta_options{'select_form_order'} = \@key_order;
+        } else {
+            $cur_values_stu = $value;
+        }
+        if ($type eq 'courserestricted') {
+            return (&select_course());
+            # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
+        }
+        if (($type eq 'keywords') || ($type eq 'subject')
+             || ($type eq 'author')||($type eq  'notes')
+             || ($type eq  'abstract')|| ($type eq  'title')|| ($type eq  'standards')
+             || (exists($env{$course_key.'.metadata.'.$type.'.added'}))) {
+            
+            if ($values) {
+                if ($only_one) {
+                    $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,\%meta_options));
+                } else {
+                    $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
+                }
+            }
+            if ($stu_add) {
+                $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
+                'value="'.$cur_values_stu.'" />'.
+                &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
+                      $relatedvalue); 
+            }
+            return ($output);
+        } 
+        if (($type eq 'lowestgradelevel') ||
+	    ($type eq 'highestgradelevel')) {
+	    return &Apache::loncommon::select_level_form($value,$fieldname).
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+        }
+        return(); 
+    }
+    # Language
+    if ($type eq 'language') {
+	return &selectbox($fieldname,
+			  $value,'',
+			  \&Apache::loncommon::languagedescription,
+			  (&Apache::loncommon::languageids)).
+                              &relatedfield(0,$relatedsearchflag,$relatedsep);
+    }
+    # Copyright
+    if ($type eq 'copyright') {
+	return &selectbox($fieldname,
+			  $value,$readonly,
+			  \&Apache::loncommon::copyrightdescription,
+			  (&Apache::loncommon::copyrightids)).
+                              &relatedfield(0,$relatedsearchflag,$relatedsep);
+    }
+    # Source Copyright
+    if ($type eq 'sourceavail') {
+	return &selectbox($fieldname,
+			  $value,'',
+			  \&Apache::loncommon::source_copyrightdescription,
+			  (&Apache::loncommon::source_copyrightids)).
+                              &relatedfield(0,$relatedsearchflag,$relatedsep);
+    }
+    # Gradelevels
+    if (($type eq 'lowestgradelevel') ||
+	($type eq 'highestgradelevel')) {
+	return &Apache::loncommon::select_level_form($value,$fieldname).
+            &relatedfield(0,$relatedsearchflag,$relatedsep);
+    }
+    # Obsolete
+    if ($type eq 'obsolete') {
+	return '<input type="checkbox" name="'.$fieldname.'"'.
+	    ($value?' checked="checked"':'').' />'.
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+    }
+    # Obsolete replacement file
+    if ($type eq 'obsoletereplacement') {
+	return '<input type="text" name="'.$fieldname.
+	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
+	    "('".$formname."','".$fieldname."'".
+	    ",'')\">".&mt('Select').'</a>'.
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+    }
+    # Customdistribution file
+    if ($type eq 'customdistributionfile') {
+        my $disabled;
+        if ($readonly) {
+            $disabled = ' disabled="disabled"';
+        }
+        my $output;
+	$output = '<input type="text" name="'.$fieldname.
+	    '" size="60" value="'.$value.'"'.$disabled.' />';
+        unless ($readonly) {
+            $output .= '<a href="javascript:openbrowser'.
+	               "('".$formname."','".$fieldname."'".
+	               ",'rights')\">".&mt('Select').'</a>';
+        }
+        $output .= &relatedfield(0,$relatedsearchflag,$relatedsep);
+        return $output;
+    }
+    # Source Customdistribution file
+    if ($type eq 'sourcerights') {
+	return '<input type="text" name="'.$fieldname.
+	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
+	    "('".$formname."','".$fieldname."'".
+	    ",'rights')\">".&mt('Select').'</a>'.
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+    }
+    if ($type eq 'courserestricted') {
+        return (&select_course());
+        #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
+    }
+
+    # Dates
+    if (($type eq 'creationdate') ||
+	($type eq 'lastrevisiondate')) {
+	return 
+            &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
+            &relatedfield(0,$relatedsearchflag,$relatedsep);
+    }
+    # No pretty input found
+    $value=~s/^\s+//gs;
+    $value=~s/\s+$//gs;
+    $value=~s/\s+/ /gs;
+    $value=~s/\"/\&quot\;/gs;
+    return 
+        '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
+        'value="'.$value.'" />'.
+        &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
+                      $relatedvalue); 
+}
+
+# Create pageheader
+sub pageheader {
+    my $output = '';
+    # No CSTR? Include breadcrumbs
+    if ($env{'request.state'} ne 'construct') {
+        # loncommon::bodytag already includes breadcrumbs for CSTR
+        # by calling lonmenu::innerregister
+        $output = &Apache::lonhtmlcommon::breadcrumbs();
+    }
+    # CSTR? Include CSTR header
+    if ($env{'request.state'} eq 'construct') {
+          $output .= &Apache::loncommon::head_subbox(
+                         &Apache::loncommon::CSTR_pageheader());
+    }
+    return $output;
+}
+
+# Main Handler
 sub handler {
-  my $r=shift;
-  my %content=();
+    my $r=shift;
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+         ['currentpath','changecourse','modal']);
+    my $uri=$r->uri;
+    #
+    # Set document type
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
+    return OK if $r->header_only;
+    my ($resdomain,$resuser)=
+        (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//);
+
+    # Breadcrumbs
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+
+    if ($env{'request.state'} eq 'construct') {
+        my $text = 'Authoring Space';
+        my $href = &Apache::loncommon::authorspace($uri);
+        if ($env{'request.course.id'}) {
+            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+            if ($href eq "/priv/$cdom/$cnum/") {
+                $text = 'Course Authoring Space';
+            }
+        }
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            'text'  => $text,
+            'href'  => $href,
+        });
+    }
+
+    if ($uri=~m:/adm/bombs/(.*)$:) {
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            'text'  => 'Error Messages',
+            'href'  => '',
+        });
+        $r->print(&Apache::loncommon::start_page('Error Messages'));
+        $r->print(&pageheader());
+        # Looking for all bombs?
+        &report_bombs($r,$uri);
+    } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            'text'  => 'Edit Portfolio File Metadata',
+            'href'  => '',
+        });
+	    ($resdomain,$resuser)=
+		(&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|);
+        $r->print(&Apache::loncommon::start_page('Edit Portfolio File Metadata',
+						 undef,
+						 {'domain' => $resdomain,}));
+        $r->print(&pageheader());
+        if ($env{'form.store'}) {
+            &present_editable_metadata($r,$uri,'portfolio');
+        } else {
+            my $fn=&Apache::lonnet::filelocation('',$uri);
+            %Apache::lonpublisher::metadatafields=();
+            %Apache::lonpublisher::metadatakeys=();
+            my $result=&Apache::lonnet::getfile($fn);
+            &Apache::lonpublisher::metaeval($result);
+            if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
+                ($env{'form.changecourse'} eq 'true')) {
+                &pre_select_course($r,$uri);
+            } else {
+                &present_editable_metadata($r,$uri,'portfolio');
+            }
+        }
+    } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            'text'  => 'Edit Group Portfolio File Metadata',
+            'href'  => '',
+        });
+        $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Metadata',
+						 undef,
+						 {'domain' => $resdomain,}));
+        $r->print(&pageheader());
+        &present_editable_metadata($r,$uri,'groups');    
+    } elsif ($uri=~m|^/priv|) { 
+        # Authoring space
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            'text'  => 'Edit Metadata',
+            'href'  => '',
+        });
+        $r->print(&Apache::loncommon::start_page('Edit Metadata',
+						"\n".'<script type="text/javascript">'."\n".
+                                                &Apache::loncommon::browser_and_searcher_javascript().
+                                                "\n".'</script>',
+						 {'domain' => $resdomain,}));
+        $r->print(&pageheader());
+        &present_editable_metadata($r,$uri);
+    } else {
+        &Apache::lonhtmlcommon::add_breadcrumb({
+            'text'  => 'Metadata',
+            'href'  => '',
+        });
+        $r->print(
+            &Apache::loncommon::start_page(
+                'Metadata',
+                undef,
+                {'domain' => $resdomain,
+                'only_body' => 1,})
+           .'<h1>'.&mt('Metadata').'</h1>'
+        );
+        if ($env{'form.modal'}) {
+            my $width = 500;
+            my $height = 400;
+            my $machine = &Apache::lonnet::absolute_url();
+            $r->print(&Apache::loncommon::nicescroll_javascript('metadatawrapper',
+                                                                {cursorcolor => '#00F',
+                                                                 railalign => 'right',
+                                                                 railoffset => '{top:5,left:40}'},
+                                                                 undef,1,$machine.$uri));
+            $r->print('<div id="metadatawrapper" style="height:'.$height.'px; width:'.$width.'px; overflow: auto;">');
+        }
+        &present_uneditable_metadata($r,$uri);
+        if ($env{'form.modal'}) {
+            $r->print('</div>');
+        }
+    }
+    $r->print(&Apache::loncommon::end_page());
+    return OK;
+}
+
+#####################################################
+#####################################################
+###                                               ###
+###                Report Bombs                   ###
+###                                               ###
+#####################################################
+#####################################################
+sub report_bombs {
+    my ($r,$uri) = @_;
+    # Set document type
+    $uri =~ s:/adm/bombs/::;
+    $uri = &Apache::lonnet::declutter($uri);
+    $r->print(
+        '<p>'.&mt('Folder: [_1]',
+                  '<span class="LC_filename">'.&Apache::lonnet::clutter($uri).'</span>')
+       .'</p>'
+    );
+    my ($domain,$author)=($uri=~/^($match_domain)\/($match_username)\//);
+    if (!&Apache::lonnet::constructaccess('/priv/'.$domain.'/'.$author.'/')) {
+        $r->print('<p class="LC_error">'.&mt('Not authorized').'</p>');
+        return;
+    }
+
+    my $showbuttons=1;
+    my $message='';
+    if ($env{'form.clearbombs'}) {
+        my $rc=&Apache::lonmsg::clear_author_res_msg($uri);
+        if ($rc eq 'ok') {
+                $message=&Apache::lonhtmlcommon::confirm_success(
+                    &mt('Messages cleared.'));
+                $showbuttons=0;
+        } else {
+                $message=&Apache::lonhtmlcommon::confirm_success(
+                             &mt('Error clearing messages'),1)
+                        .'<br />'.&mt('Error: [_1]',$rc);
+        }
+    }
+
+    if ($message) {    
+        $message=&Apache::loncommon::confirmwrapper($message);
+        $r->print($message);
+    }
+
+    my $cancelurl=$uri;
+    $cancelurl=~s/^\Q$domain\E/\/priv\/$domain/;
+
+    if ($showbuttons) {
+        $r->print(
+            '<form method="post" action="">'.
+            '<input type="submit" name="clearbombs" value="'.
+                &mt('Clear all Messages in Subdirectory').'" />'.
+            ' <a href="'.$cancelurl.'">'.
+                &mt('Back to Source Directory').'</a>'.
+            '</form><hr />'
+        );
+        # Display all bombs of subdirectory
+        my %brokenurls = 
+            &Apache::lonmsg::all_url_author_res_msg($author,$domain);
+        foreach my $key (sort(keys(%brokenurls))) {
+            if ($key=~/^\Q$uri\E/) {
+                $r->print
+                    ('<a href="'.&Apache::lonnet::clutter($key).'">'.$key.'</a>'.
+                     &Apache::lonmsg::retrieve_author_res_msg($key).
+                     '<hr />');
+            }
+        }
+    } else {
+            my $functions=&Apache::lonhtmlcommon::start_funclist('Actions');
+            $functions.=&Apache::lonhtmlcommon::add_item_funclist(
+                            '<a href="'.$cancelurl.'">'.
+                            &mt('Back to Source Directory').'</a>');
+            $functions .= &Apache::lonhtmlcommon::end_funclist();
+            $r->print('<p>'.$functions.'</p>');
+    }
+    return;
+}
+
+#####################################################
+#####################################################
+###                                               ###
+###        Uneditable Metadata Display            ###
+###                                               ###
+#####################################################
+#####################################################
+sub present_uneditable_metadata {
+    my ($r,$uri) = @_;
+    #
+    my $uploaded = ($uri =~ m|/uploaded/|);
+    my %content=();
+    # Read file
+    foreach my $key (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
+        $content{$key}=&Apache::lonnet::metadata($uri,$key);
+    }
+    # Render Output
+    # displayed url
+    my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
+    $uri=~s/\.meta$//;
+    my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri);
+    # version
+    my $versiondisplay='';
+    if (!$uploaded) {
+	my $currentversion=&Apache::lonnet::getversion($disuri);
+	if ($thisversion) {
+	    $versiondisplay=&mt('Version').': '.$thisversion.
+		' ('.&mt('most recent version').': '.
+		($currentversion>0 ? 
+		 $currentversion   :
+		 &mt('information not available')).')';
+	} else {
+	    $versiondisplay=&mt('Version: [_1]',$currentversion);
+	}
+    }
+    # crumbify displayed URL               uri     target prefix form 
+    $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef);
+    # obsolete
+    my $obsolete=$content{'obsolete'};
+    my $obsoletewarning='';
+    if (($obsolete) && ($env{'user.adv'})) {
+        $obsoletewarning='<p><span class="LC_warning">'.
+            &mt('This resource has been marked obsolete by the author(s)').
+            '</span></p>';
+    }
+    #
+    my %lt=&fieldnames();
+    my $table='';
+    my $title = $content{'title'};
+    if (! defined($title)) {
+        $title = &mt('Untitled Resource');
+    }
+    my @fields;
+    if ($uploaded) {
+	@fields = ('title','author','subject','keywords','notes','abstract',
+		   'lowestgradelevel','highestgradelevel','standards','mime',
+		   'owner');
+    } else {
+	@fields = ('title', 
+		   'author', 
+		   'subject', 
+		   'keywords', 
+		   'notes', 
+		   'abstract',
+		   'lowestgradelevel',
+		   'highestgradelevel',
+		   'standards', 
+		   'mime', 
+		   'language', 
+		   'creationdate', 
+		   'lastrevisiondate', 
+		   'owner', 
+		   'copyright', 
+		   'customdistributionfile',
+		   'sourceavail',
+		   'sourcerights', 
+		   'obsolete', 
+		   'obsoletereplacement');
+    }
+    my $rownum = 0;
+    foreach my $field (@fields) {
+        my $lastrow = '';
+        $rownum ++;
+        $lastrow = 1 if ($rownum == @fields); 
+        $table.=&Apache::lonhtmlcommon::row_title($lt{$field})
+               .&prettyprint($field,$content{$field})
+               .&Apache::lonhtmlcommon::row_closure($lastrow);
+        delete($content{$field});
+    }
+    #
+    $r->print("<h2>$title</h2>"
+             .'<p>'
+             .$disuri.'<br />'
+             .$obsoletewarning
+             .$versiondisplay
+             .'</p>'
+             .&Apache::lonhtmlcommon::start_pick_box()
+             .$table
+             .&Apache::lonhtmlcommon::end_pick_box()
+    );
+    if (!$uploaded && $env{'user.adv'}) {
+        &print_dynamic_metadata($r,$uri,\%content);
+    }
+    return;
+}
+
+sub print_dynamic_metadata {
+    my ($r,$uri,$content) = @_;
+    #
+    my %content = %$content;
+    my %lt=&fieldnames();
+    #
+    my $description = 'Dynamic Metadata (updated periodically)';
+    $r->print('<h3>'.&mt($description).'</h3>'.
+              &mt('Processing'));
+    $r->rflush();
+    my %items=&fieldnames();
+    my %dynmeta=&dynamicmeta($uri);
+    #
+    # General Access and Usage Statistics
+    $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>');
+    if (exists($dynmeta{'count'}) ||
+        exists($dynmeta{'sequsage'}) ||
+        exists($dynmeta{'comefrom'}) ||
+        exists($dynmeta{'goto'}) ||
+        exists($dynmeta{'course'})) {
+        $r->print(&Apache::lonhtmlcommon::start_pick_box());
+        my @counts = ('count','sequsage','sequsage_list',
+                      'comefrom','comefrom_list','goto',
+                      'goto_list','course','course_list');
+        my $rownum = 0;
+        foreach my $item (@counts) {
+            my $lastrow = '';
+            $rownum ++;
+            $lastrow = 1 if ($rownum == @counts);
+            $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
+                     .&prettyprint($item,$dynmeta{$item})
+                     .&Apache::lonhtmlcommon::row_closure($lastrow)
+            );
+        }
+        $r->print(&Apache::lonhtmlcommon::end_pick_box());
+    } else {
+        $r->print('<p>'
+                 .&mt('No Access or Usages Statistics are available for this resource.')
+                 .'</p>'
+        );
+    }
+    #
+    # Assessment statistics
+    if ($uri=~/$LONCAPA::assess_re/) {
+        if (exists($dynmeta{'stdno'}) ||
+            exists($dynmeta{'avetries'}) ||
+            exists($dynmeta{'difficulty'}) ||
+            exists($dynmeta{'disc'})) {
+            # This is an assessment, print assessment data
+            $r->print('<h4>'.
+                      &mt('Overall Assessment Statistical Data').
+                      '</h4>'.
+                      &Apache::lonhtmlcommon::start_pick_box());
+            $r->print(&Apache::lonhtmlcommon::row_title($lt{'stdno'})
+                     .&prettyprint('stdno',$dynmeta{'stdno'})
+                     .&Apache::lonhtmlcommon::row_closure()
+            );
+            my @stats = ('avetries','difficulty','disc');
+            my $rownum = 0;
+            foreach my $item (@stats) {
+                my $lastrow = '';
+                $rownum ++;
+                $lastrow = 1 if ($rownum == @stats);
+                $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
+                         .&prettyprint($item,sprintf('%5.2f',$dynmeta{$item}))
+                         .&Apache::lonhtmlcommon::row_closure($lastrow)
+                );
+            }
+            $r->print(&Apache::lonhtmlcommon::end_pick_box());
+        }
+        #
+        # New assessment statistics
+        $r->print('<h4>'
+                 .&mt('Recent Detailed Assessment Statistical Data')
+                 .'</h4>'
+        );
+        if (exists($dynmeta{'stats'})) {
+            my $table=&Apache::loncommon::start_data_table()
+                     .&Apache::loncommon::start_data_table_header_row()
+		     .'<th>'.&mt('Domain').'</th>'
+                     .'<th>'.&mt('Course').'</th>'
+                     .'<th>'.&mt('Section(s)').'</th>'
+                     .'<th>'.&mt('Num Students').'</th>'
+                     .'<th>'.&mt('Part').'</th>'
+                     .'<th>'.&mt('Mean Tries').'</th>'
+                     .'<th>'.&mt('Degree of Difficulty').'</th>'
+                     .'<th>'.&mt('Degree of Discrimination').'</th>'
+                     .'<th>'.&mt('Time of computation').'</th>'
+                     .&Apache::loncommon::end_data_table_header_row().$/;
+            foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
+                my $data = $dynmeta{'stats'}->{$identifier};
+                my $course = $data->{'course'};
+                my %courseinfo = 
+		    &Apache::lonnet::coursedescription($course,
+						       {'one_time' => 1});
+                if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
+                    &Apache::lonnet::logthis('lookup for '.$course.' failed');
+                    next;
+                }
+                $table .= &Apache::loncommon::start_data_table_row();
+		$table .=
+		    '<td><span class="LC_nobreak">'.$courseinfo{'domain'}.'</span></td>';
+                $table .= 
+                    '<td><span class="LC_nobreak">'.$courseinfo{'description'}.'</span></td>';
+                $table .= 
+                    '<td align="right">'.$data->{'sections'}.'</td>';
+                $table .=
+                    '<td align="right">'.$data->{'stdno'}.'</td>';
+                $table .=
+                    '<td align="right">'.$data->{'part'}.'</td>';
+                foreach my $item ('avetries','difficulty','disc') {
+                    $table .= '<td align="right">';
+                    if (exists($data->{$item})) {
+                        $table .= sprintf('%.2f',$data->{$item}).'&nbsp;';
+                    } else {
+                        $table .= '';
+                    }
+                    $table .= '</td>';
+                }
+                $table .=
+                    '<td><span class="LC_nobreak">'.
+                    &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
+                    '</span></td>';
+                $table .= &Apache::loncommon::end_data_table_row().$/;
+            }
+            $table .= &Apache::loncommon::end_data_table().$/;
+            $r->print($table);
+        } else {
+            $r->print('<p>'
+                     .&mt('No new dynamic data found.')
+                     .'</p>'
+            );
+        }
+    } else {
+        $r->print('<h4>'.
+          &mt('No Assessment Statistical Data is available for this resource').
+                  '</h4>');
+    }
+    #
+    # Evaluation Data
+    $r->print('<h4>'.&mt('Evaluation Data').'</h4>');
+    if (exists($dynmeta{'clear'})   || 
+        exists($dynmeta{'depth'})   || 
+        exists($dynmeta{'helpful'}) || 
+        exists($dynmeta{'correct'}) || 
+        exists($dynmeta{'technical'})){ 
+        $r->print(&Apache::lonhtmlcommon::start_pick_box());
+        my @criteria = ('clear','depth','helpful','correct','technical');
+        my $rownum = 0;
+        foreach my $item (@criteria) {
+            my $lastrow = '';
+            $rownum ++;
+            $lastrow = 1 if ($rownum == @criteria);
+            $r->print(&Apache::lonhtmlcommon::row_title($lt{$item})
+                     .&prettyprint($item,$dynmeta{$item})
+                     .&Apache::lonhtmlcommon::row_closure($lastrow)
+            );
+        }
+        $r->print(&Apache::lonhtmlcommon::end_pick_box());
+    } else {
+        $r->print('<p>'
+                 .&mt('No Evaluation Data is available for this resource.')
+                 .'</p>'
+        );
+    }
+    # Evaluation Comments
+    $uri=~/^\/res\/($match_domain)\/($match_username)\//; 
+    if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
+        || ($env{'user.role.ca./'.$1.'/'.$2})) {
+        $r->print('<h4>'.&mt('Evaluation Comments').'</h4>'
+                 .'<div>('
+                 .&mt('visible to author and co-authors only')
+                 .')</div>'
+        );
+        if (exists($dynmeta{'comments'})) {
+            $r->print('<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
+        } else {
+            $r->print('<p>'
+                     .&mt('There are no Evaluation Comments on this resource.')
+                     .'</p>'
+            );
+        }
+        my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
+        if (defined($bombs) && $bombs ne '') {
+            $r->print('<a name="bombs" />'
+                     .'<h4 class="LC_warning">'.&mt('Error Messages').'</h4>'
+                     .'<div>('
+                     .&mt('visible to author and co-authors only')
+                     .')</div>'
+                     .$bombs
+            );
+        } #else {
+        #    $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
+        #}
+    }
+    #
+    # All other stuff
+    $r->print('<h3>'.
+              &mt('Additional Metadata (non-standard, parameters, exports)').
+              '</h3>');
+    $r->print(&Apache::lonhtmlcommon::start_pick_box());
+    my @names;
+    foreach my $key (sort(keys(%content))) {
+        if ($key!~/\.display$/) {
+            push(@names,$key);
+        }
+    }
+    if (@names > 0) {
+        my $rownum = 0;
+        foreach my $name (@names) {
+            my $lastrow = '';
+            $rownum ++;
+            $lastrow = 1 if ($rownum == @names);
+
+            my $display=&Apache::lonnet::metadata($uri,
+                                                  $name.'.display');
+            if (! $display) { 
+                $display=$name;
+            };
+            my $otherinfo='';
+            foreach my $item ('name','part','type','default') {
+                if (defined(&Apache::lonnet::metadata($uri,
+                                                      $name.'.'.$item))) {
+                    $otherinfo.=' '.$item.'='.
+                        &Apache::lonnet::metadata($uri,
+                                                  $name.'.'.$item).'; ';
+                }
+            }
+            $r->print(&Apache::lonhtmlcommon::row_title($display)
+                     .$content{$name}
+            );
+            if ($otherinfo) {
+                $r->print(' ('.$otherinfo.')');
+            }
+            $r->print(&Apache::lonhtmlcommon::row_closure($lastrow));
+        }
+    }
+    $r->print(&Apache::lonhtmlcommon::end_pick_box());
+    return;
+}
 
-# ----------------------------------------------------------- Set document type
 
-  $r->content_type('text/html');
-  $r->send_http_header;
 
-  return OK if $r->header_only;
-
-# ------------------------------------------------------------------- Read file
-
-  my $uri=$r->uri;
-  map {
-      $content{$_}=&Apache::lonnet::metadata($uri,$_);
-  } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
-
-# ------------------------------------------------------------------ Hide stuff
-
-  unless ($ENV{'user.adv'}) {
-      map {
-          $content{$_}='<i>- not displayed -</i>';
-      } ('keywords','notes','abstract','subject');
-  }
-
-# --------------------------------------------------------------- Render Output
-
-my $creationdate=localtime($content{'creationdate'});
-my $lastrevisiondate=localtime($content{'lastrevisiondate'});
-  
-  $r->print(<<ENDHEAD);
-<html><head><title>Catalog Information</title></head>
-<body bgcolor="#FFFFFF">
-<h1>Catalog Information</h1>
-<h2>$content{'title'}</h2>
-<h3>Author(s): $content{'author'}</h3>
-<b>Subject:</b> $content{'subject'}<br>
-<b>Keyword(s):</b> $content{'keywords'}<br>
-<b>Notes:</b> $content{'notes'}<br>
-<b>Abstract:</b>
-<blockquote>$content{'abstract'}</blockquote>
-<hr>
-<b>MIME Type:</b> $content{'mime'}<br>
-<b>Language:</b> $content{'language'}<br>
-<b>Creation Date:</b> $creationdate<br>
-<b>Last Revision Date:</b> $lastrevisiondate<br>
-<b>Publisher/Owner:</b> $content{'owner'}<br>
-<b>Copyright/Distribution:</b> $content{'copyright'}
-<hr>
-ENDHEAD
-  delete($content{'title'});
-  delete($content{'author'});
-  delete($content{'subject'});
-  delete($content{'keywords'});
-  delete($content{'notes'});
-  delete($content{'abstract'});
-  delete($content{'mime'});
-  delete($content{'language'});
-  delete($content{'creationdate'});
-  delete($content{'lastrevisiondate'});
-  delete($content{'owner'});
-  delete($content{'copyright'});
-  if ($ENV{'user.adv'}) {
-   map {
-      my $name=$_;
-      my $display=&Apache::lonnet::metadata($uri,$name.'.display');
-      unless ($display) { $display=$name; };
-      my $otherinfo='';
-      map {
-          if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
-             $otherinfo.=' '.$_.'='.
-		 &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
-          }
-      } ('name','part','type','default'); 
-      $r->print('<b>'.$display.':</b> '.$content{$name});
-      if ($otherinfo) {
-         $r->print(' ('.$otherinfo.')');
-      }
-      $r->print("<br>\n");
-   } sort keys %content;
-  }
-  $r->print('</body></html>');
-  return OK;
+#####################################################
+#####################################################
+###                                               ###
+###          Editable metadata display            ###
+###                                               ###
+#####################################################
+#####################################################
+sub present_editable_metadata {
+    my ($r,$uri,$file_type) = @_;
+    # Authoring Space Call
+    # Header
+    my $disuri=$uri;
+    my ($courseauthor,$crsaurights,$readonly);
+    if ($env{'request.course.id'}) {
+        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        if ($uri =~ m{^\Q/priv/$cdom/$cnum/\E}) {
+            $courseauthor = $cnum.':'.$cdom;
+            $crsaurights = "/res/$cdom/$cnum/default.rights";
+            $readonly = 1;
+        }
+    }
+    my $fn=&Apache::lonnet::filelocation('',$uri);
+    $disuri=~s{^/\~}{/priv/};
+    $disuri=~s/\.meta$//;
+    my $meta_uri = $disuri;
+    my $path;
+    if ($disuri =~ m|/portfolio/|) {
+	($disuri, $meta_uri, $path) =  &portfolio_display_uri($disuri,1);
+    }
+    my $target=$uri;
+    $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
+    $target=~s/\.meta$//;
+    my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
+    if ($bombs) {
+        # Display Bombs, not Metadata
+        $r->print(
+            '<h2>'.&mt('Error Messages').'</h2>'
+           .'<p>'.&mt('Folder: [_1]',
+                      '<span class="LC_filename">'.$disuri.'</span>')
+           .'</p>'
+        );
+        my $showbuttons=1;
+        my $message='';
+        my $rc='';
+        if ($env{'form.delmsg'}) {
+            $rc=&Apache::lonmsg::del_url_author_res_msg($target);
+            if ($rc eq 'ok') {
+                $message=&Apache::lonhtmlcommon::confirm_success(
+                             &mt('Messages deleted.'));
+		$showbuttons=0;
+            } else {
+                $message=&Apache::lonhtmlcommon::confirm_success(
+                             &mt('Error deleting messages'), 1)
+                        .'<br />'.&mt('Error: [_1]',$rc);
+            }
+        }
+        if ($env{'form.clearmsg'}) {
+	    my $cleardir=$target;
+	    $cleardir=~s/\/[^\/]+$/\//; # Extract dir: keep path, remove filename
+            $rc=&Apache::lonmsg::clear_author_res_msg($cleardir);
+            if ($rc eq 'ok') {
+                $message=&Apache::lonhtmlcommon::confirm_success(
+                    &mt('Messages cleared.'));
+		$showbuttons=0;
+            } else {
+                $message=&Apache::lonhtmlcommon::confirm_success(
+                             &mt('Error clearing messages'),1)
+                        .'<br />'.&mt('Error: [_1]',$rc);
+            }
+        }
+        if ($message) {
+            $message=&Apache::loncommon::confirmwrapper($message);
+            $r->print($message);
+        }
+
+        $r->print('<form method="post" action="" name="defaultmeta">');
+        if ($showbuttons) {
+            $r->print(
+                '<input type="submit" name="delmsg" value="'.
+                &mt('Delete Messages for this Resource').'" />'.
+                '<input type="submit" name="clearmsg" value="'.
+                &mt('Clear all Messages in Subdirectory').'" />'
+               .'<br />'.$bombs
+            );
+        } else {
+            my $functions=&Apache::lonhtmlcommon::start_funclist('Actions');
+            $functions.=&Apache::lonhtmlcommon::add_item_funclist(
+                            '<a href="'.$disuri.'">'.
+                            &mt('Back to Source File').'</a>');
+            my ($diruri) = ($disuri =~ m{(.*/)[^/]*});
+            $functions.=&Apache::lonhtmlcommon::add_item_funclist(
+                            '<a href="'.$diruri.'">'.
+                            &mt('Back to Source Directory').'</a>');
+            $functions .= &Apache::lonhtmlcommon::end_funclist();
+            $r->print('<p>'.$functions.'</p>');
+        }
+    } else {
+
+        # Display Metadata, not Bombs
+        my $displayfile =
+            &mt('Metadata for [_1]'
+               ,'<span class="LC_filename">'.$disuri.'</span>');
+        if ($disuri=~/\/default$/) {
+            my $dir=$disuri;
+            $dir=~s/default$//;
+            $displayfile=&mt('Default Metadata for Directory [_1]'
+                            ,'<span class="LC_filename">'.$dir.'</span>');
+        }
+        %Apache::lonpublisher::metadatafields=();
+        %Apache::lonpublisher::metadatakeys=();
+        my $result=&Apache::lonnet::getfile($fn);
+        if ($result == -1){
+            my $message = &Apache::lonhtmlcommon::confirm_success(
+                &mt('Creating new file [_1]'
+                   ,'<span class="LC_filename"'.$meta_uri.'</span>'));
+            $message = &Apache::loncommon::confirmwrapper($message);
+            $r->print($message);
+        } else {
+            &Apache::lonpublisher::metaeval($result);
+        }
+        if ($env{'form.new_courserestricted'}) {
+            my $new_assoc_course = $env{'form.new_courserestricted'};
+            my $prev_courserestricted = $Apache::lonpublisher::metadatafields{'courserestricted'};
+            if (($prev_courserestricted) && 
+                ($prev_courserestricted ne $new_assoc_course)) {
+                my $transfers = [];
+                foreach my $key (keys(%env)) {
+                    if ($key =~ /^form\.transfer_(.+)$/) {
+                        push(@{$transfers},$1);
+                    }
+                }
+                if (@{$transfers} > 0) {
+                    &store_transferred_addedfields($fn,$uri,$transfers);
+                }
+            }
+        }
+        $r->print(<<ENDEDIT);
+<h2>$displayfile</h2>
+<form method="post" action="" name="defaultmeta">
+ENDEDIT
+        my %lt=&fieldnames($file_type);
+	my $output;
+	my @fields;
+	my $added_metadata_fields;
+	my @added_order;
+        if ($file_type eq 'groups') {
+            $Apache::lonpublisher::metadatafields{'courserestricted'}=
+                'course.'.$env{'request.course.id'};
+        }
+        if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
+                (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) {
+            $Apache::lonpublisher::metadatafields{'courserestricted'}=
+                'none';
+        } elsif ($env{'form.new_courserestricted'}) {
+            $Apache::lonpublisher::metadatafields{'courserestricted'}=
+                $env{'form.new_courserestricted'};
+        }
+	if ($file_type eq 'portfolio' || $file_type eq 'groups') {
+	    if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) {
+	        # retrieve fieldnames (in order) from the course restricted list
+	        @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'}));
+	    } else {
+	        # no saved field list, use default list
+	        @fields =  ('title','author','subject','keywords','abstract',
+			    'notes','lowestgradelevel',
+	                    'highestgradelevel','standards');
+                if ($Apache::lonpublisher::metadatafields{'courserestricted'} =~ /^course\.($match_domain\_$match_courseid)$/) {
+                    my $assoc_crs = $1;
+	            $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
+	            if ($env{'course.'.$assoc_crs.'.metadata.addedorder'}) {
+	                @added_order = split(/,/,$env{'course.'.$assoc_crs.'.metadata.addedorder'});
+	            }
+	            $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields);
+                }
+	    }
+	} else {
+	    @fields = ('title','author','subject','keywords','abstract','notes',
+		       'copyright','customdistributionfile','language',
+		       'standards',
+		       'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
+		       'obsolete','obsoletereplacement');
+        }
+        if ($courseauthor) {
+            $Apache::lonpublisher::metadatafields{'copyright'}='custom';
+            $Apache::lonpublisher::metadatafields{'customdistributionfile'}=$crsaurights;
+        }
+        my (%domdefs,$got_domdefs);
+        if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
+            my $copyright = 'default';
+            if ($env{'environment.copyright'} ne '') {
+                $copyright = $env{'environment.copyright'};
+            } else {
+                my $defdom = $env{'request.role.domain'};
+                if ($disuri =~ m{^/priv/($match_domain)/}) {
+                    $defdom = $1;
+                }
+                if ($defdom ne '') {
+                    %domdefs = &Apache::lonnet::get_domain_defaults($defdom);
+                    $got_domdefs = 1;
+                    if ($domdefs{'copyright'} ne '') {
+                        $copyright = $domdefs{'copyright'};
+                    }
+                }
+            }
+            $Apache::lonpublisher::metadatafields{'copyright'}=
+		$copyright;
+        }
+        if (! $Apache::lonpublisher::metadatafields{'sourceavail'}) {
+            my $sourceavail = 'closed';
+            if ($env{'environment.sourceavail'} ne '') {
+                $sourceavail = $env{'environment.sourceavail'};
+            } else {
+                my $defdom = $env{'request.role.domain'};
+                if ($disuri =~ m{^/priv/($match_domain)/}) {
+                    $defdom = $1;
+                }
+                if ($defdom ne '') {
+                    unless ($got_domdefs) {
+                        %domdefs = &Apache::lonnet::get_domain_defaults($defdom);
+                        $got_domdefs = 1;
+                    }
+                    if ($domdefs{'sourceavail'} ne '') {
+                        $sourceavail = $domdefs{'sourceavail'};
+                    }
+                }
+            }
+            $Apache::lonpublisher::metadatafields{'sourceavail'}=
+                $sourceavail;
+        }
+	if (($file_type eq 'portfolio') || ($file_type eq 'groups'))  {
+	    if (! $Apache::lonpublisher::metadatafields{'mime'}) {
+                ($Apache::lonpublisher::metadatafields{'mime'}) =
+		    ( $target=~/\.(\w+)$/ );
+	    }
+	    if (! $Apache::lonpublisher::metadatafields{'owner'}) {
+		$Apache::lonpublisher::metadatafields{'owner'} =
+		    $env{'user.name'}.':'.$env{'user.domain'};
+	    }
+	    if (! $Apache::lonpublisher::metadatafields{'author'}) {
+		$Apache::lonpublisher::metadatafields{'author'} =
+		    &Apache::loncommon::plainname($env{'user.name'},
+						  $env{'user.domain'});
+	    }
+	    if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
+
+                if ($file_type eq 'portfolio') {
+                    $r->print(
+                        &mt('Associated with course [_1]'
+                           ,'<strong>'
+                           .$env{$Apache::lonpublisher::metadatafields{'courserestricted'}
+                           .".description"}.'</strong>')
+                       .' <a href="'.$uri.'?changecourse=true">'
+                       .&mt('Change')
+                       .'</a>'.'<br />'
+                    );
+
+                } else {
+                    $r->print(&mt('Associated with course [_1]',
+                        '<strong>'.
+  $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.
+                        ".description"}.'</strong>').'<br />');
+                }
+            } else {
+                $r->print(
+                    &mt('This resource is not associated with a course.')
+                  .' <a href="'.$uri.'?changecourse=true">'.&mt('Change').'</a><br />'
+                );
+            }
+        }
+	if (@added_order) {
+	    foreach my $field_name (@added_order) {
+                push(@fields,$field_name);
+                $lt{$field_name} = $$added_metadata_fields{$field_name};
+	    }
+	} else {
+            foreach my $field_name (keys(%$added_metadata_fields)) {
+                push(@fields,$field_name);
+                $lt{$field_name} = $$added_metadata_fields{$field_name};
+            }
+        }
+        $output .= &Apache::lonhtmlcommon::start_pick_box();
+        my $last = $#fields + 1;
+        my $rowcount = 0;
+        foreach my $field_name (@fields) {
+            $rowcount++;
+            if (defined($env{'form.new_'.$field_name})) {
+                my @values = &Apache::loncommon::get_env_multiple('form.new_'.$field_name);
+                my $newvalue = '';
+                foreach my $item (@values) {
+                    if ($item ne '') {
+                        $newvalue .= $item.',';
+                    }
+                }
+                $newvalue =~ s/,$//; 
+                $Apache::lonpublisher::metadatafields{$field_name}=$newvalue;
+            }
+            if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
+		&& exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
+                # handle restrictions here
+                if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
+                    ($field_name eq 'courserestricted'))&&
+                    (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){
+                    
+                    $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name})
+                              .&prettyinput($field_name,
+				   $Apache::lonpublisher::metadatafields{$field_name},
+				                    $readonly,'new_'.$field_name,'defaultmeta',
+				                    undef,undef,undef,undef,
+                                                    $Apache::lonpublisher::metadatafields{'courserestricted'});
+                    $output .= &Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0);
+                 }
+            } else {
+                    $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name})
+                              .&prettyinput($field_name,
+					   $Apache::lonpublisher::metadatafields{$field_name},
+                                           $readonly,'new_'.$field_name,'defaultmeta')
+                              .&Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0);
+               
+            }
+        }
+        $output .= &Apache::lonhtmlcommon::end_pick_box();
+	if ($env{'form.store'}) {
+            my ($outcome,$result) = &store_metadata($fn,$uri,'store');
+            $r->print($result);
+	}
+        my $savebutton = '<p><input type="submit" name="store"'
+                        .' value="'.&mt('Save').'" title="'.&mt('Save Metadata').'" /></p>';
+        $r->print($savebutton.$output.$savebutton);
+
+	if ($file_type eq 'portfolio' || $file_type eq 'groups') {
+	    my ($port_path,$group) = &get_port_path_and_group($uri);
+            if ($group ne '') {
+                $r->print('<input type="hidden" name="group" value="'.$group.'" />');
+            }
+            $r->print('<input type="hidden" name="currentpath" value="'.$env{'form.currentpath'}.'" />');
+	    $r->print('</form><br /><br /><form method="post" action="'.$port_path.'">');
+	    if ($group ne '') {
+	        $r->print('<input type="hidden" name="group" value="'.$group.'" />');
+            }
+	    $r->print('<input type="hidden" name="currentpath" value="'.$path.'" />'.
+		      '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'" />');
+	}
+    }
+    
+    $r->print('</form>');
+
+    return;
+}
+
+sub store_metadata {
+    my ($fn,$uri,$caller) = @_;
+    my $mfh;
+    my $formname='store';
+    my ($file_content,$output,$outcome);
+    if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
+        $Apache::lonpublisher::metadatafields{'keywords'} =
+            join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
+            }
+    if (($caller eq 'store') && ($env{'request.course.id'})) {
+        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        if ($uri =~ m{^\Q/priv/$cdom/$cnum/\E}) {
+            unless ($uri eq "/priv/$cdom/$cnum/default.rights.meta") {
+                $Apache::lonpublisher::metadatafields{'copyright'} = 'custom';
+                $Apache::lonpublisher::metadatafields{'customdistributionfile'} =
+                    "/res/$cdom/$cnum/default.rights";
+            }
+        }
+    }
+    foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) {
+        next if ($field =~ /\./);
+        my $unikey=$field;
+        $unikey=~/^([A-Za-z_]+)/;
+        my $tag=$1;
+        $tag=~tr/A-Z/a-z/;
+        $file_content.= "\n\<$tag";
+        foreach my $key (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
+            my $value = $Apache::lonpublisher::metadatafields{$unikey.'.'.$key};
+            $value=~s/\"/\'\'/g;
+            $file_content.=' '.$key.'="'.$value.'"' ;
+        }
+        $file_content.= '>'.
+            &HTML::Entities::encode
+                ($Apache::lonpublisher::metadatafields{$unikey},'<>&"').
+                '</'.$tag.'>';
+    }
+    if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) {
+        my ($path, $new_fn);
+        if ($fn =~ m|$match_name/groups/\w+/portfolio/|) {
+            ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
+        } else {
+            ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
+        }
+        ($outcome,my $result) = 
+            &store_portfolio_metadata($formname,$file_content,
+                                      $path,$new_fn,$uri,$caller);
+        $output .= $result;
+    } else {
+        if (! ($mfh=Apache::File->new('>'.$fn))) {
+            $output .= '<p class="LC_error">';
+            if ($caller eq 'transfer') {
+                $output .= &mt('Could not transfer data in added fields to notes');
+            } else { 
+                $output .= &mt('Could not write metadata');
+            }
+            $output .= ', '.&mt('FAIL').'</p>';
+            $outcome = 'fail';
+        } else {
+            print $mfh ($file_content);
+            close($mfh);
+            &update_metadata_table($uri);
+            my $confirmtext;
+            if ($caller eq 'transfer') {
+                $confirmtext = &mt('Transferred data in added fields to notes');
+            } else {
+                $confirmtext = &mt('Wrote Metadata');
+            }
+            $output .= &Apache::loncommon::confirmwrapper(
+                           &Apache::lonhtmlcommon::confirm_success(
+                               $confirmtext.' '.&Apache::lonlocal::locallocaltime(time)));
+            $outcome = 'ok';
+        }
+    }
+    return ($outcome,$output);
+}
+
+sub store_transferred_addedfields {
+    my ($fn,$uri,$transfers) = @_;
+    foreach my $item (@{$transfers}) {
+        $Apache::lonpublisher::metadatafields{'notes'} .= 
+           ' '.$item.' = '.$Apache::lonpublisher::metadatafields{$item};
+    }
+    my ($outcome,$output) = &store_metadata($fn,$uri,'transfer');
+    if ($outcome eq 'ok') {
+        foreach my $item (@{$transfers}) {
+            delete($Apache::lonpublisher::metadatafields{$item});
+        }
+    }
+}
+
+sub store_portfolio_metadata {
+    my ($formname,$content,$path,$new_fn,$uri,$caller) = @_;
+    my ($outcome,$output);
+    $env{'form.'.$formname}=$content."\n";
+    $env{'form.'.$formname.'.filename'}=$new_fn;
+    my $result =&Apache::lonnet::userfileupload($formname,'',$path);
+    if ($result =~ /(error|notfound)/) {
+        $output = '<p class="LC_error">';
+        if ($caller eq 'transfer') {
+            $output .= 
+                &mt('Could not transfer data in added fields to notes'); 
+        } else {
+            $output .= &mt('Could not write metadata');
+        }
+        $output .= ', '.&mt('FAIL').'</p>';
+        $outcome = 'fail';
+    } else {
+        &update_metadata_table($uri);
+        $output = '<p class="LC_success">';
+        if ($caller eq 'transfer') {
+            $output .= &mt('Transferred data in added fields to notes');
+        } else {
+            $output .= &mt('Wrote Metadata');
+        }
+        $output .= ' '.&Apache::lonlocal::locallocaltime(time).
+                   '</p>';
+        $outcome = 'ok';
+    }
+    return ($outcome,$output);
+}
+
+sub update_metadata_table {
+    my ($uri) = @_;
+    my ($type,$udom,$uname,$file_name,$group) =
+	&Apache::lonnet::parse_portfolio_url($uri);
+    $file_name =~ s/\.meta$//;
+    my $current_permissions =
+        &Apache::lonnet::get_portfile_permissions($udom,$uname);
+    my %access_controls =
+        &Apache::lonnet::get_access_controls($current_permissions,$group,
+                                             $file_name);
+    my $access_hash = $access_controls{$file_name};
+    my $available = 0;
+    if (ref($access_hash) eq 'HASH') {
+        foreach my $key (keys(%{$access_hash})) {
+            my ($num,$scope,$end,$start) =
+                ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
+            if ($scope eq 'public' || $scope eq 'guest') {
+                $available = 1;
+                last;
+            }
+        }
+    }
+    if ($available) {
+        my $result =
+            &Apache::lonnet::update_portfolio_table($uname,$udom,
+            $file_name,'portfolio_metadata',$group,'update');
+    }
 }
 
+
 1;
 __END__
 
 
+=head1 NAME
+
+Apache::lonmeta - display meta data
+
+=head1 SYNOPSIS
+
+Handler to display meta data
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 SUBROUTINES
+
+=over
+
+=item &get_dynamic_metadata_from_sql($url) :
+
+Queries sql database for dynamic metdata
+Returns a hash of hashes, with keys of urls which match $url
+Returned fields are given below.
+
+Examples:
+
+    %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
+    ('/res/msu/korte/');
+
+    $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
+
+=item dynamicmeta()
+
+Fetch and evaluate dynamic metadata
+
+=item access_count()
+
+=item alttag()
+
+Try to make an alt tag if there is none
+
+=item authordisplay()
+
+Author display
+
+=item evalgraph()
+
+Pretty display
+
+=item diffgraph()
+
+=item fieldnames()
+
+=item portfolio_linked_path()
+
+=item get_port_path_and_group()
+
+=item portfolio_display_uri()
+
+=item pre_select_course()
+
+=item select_course()
+
+=item prettyprint()
+
+Pretty printing of metadata field
+
+=item direct()
+
+Pretty input of metadata field
+
+=item selectbox()
+
+=item relatedfield()
+
+=item prettyinput()
+
+=item report_bombs()
+
+=item present_uneditable_metadata()
+
+=item present_editable_metadata()
+
+=item store_metadata()
 
+=item store_transferred_addedfields()
 
+=item store_portfolio_metadata()
 
+=item update_metadata_table()
 
+=back
 
+=cut