File:  [LON-CAPA] / loncom / interface / lonmeta.pm
Revision 1.159: download - view: text, annotated - select for diffs
Fri Jun 23 00:28:43 2006 UTC (17 years, 11 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_1_99_0, HEAD
Store metadata for course group portfolio files in the correct place.

    1: # The LearningOnline Network with CAPA
    2: # Metadata display handler
    3: #
    4: # $Id: lonmeta.pm,v 1.159 2006/06/23 00:28:43 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License 
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: 
   28: 
   29: package Apache::lonmeta;
   30: 
   31: use strict;
   32: use LONCAPA::lonmetadata();
   33: use Apache::Constants qw(:common);
   34: use Apache::lonnet;
   35: use Apache::loncommon();
   36: use Apache::lonhtmlcommon(); 
   37: use Apache::lonmsg;
   38: use Apache::lonpublisher;
   39: use Apache::lonlocal;
   40: use Apache::lonmysql;
   41: use Apache::lonmsg;
   42: use lib '/home/httpd/lib/perl/';
   43: use LONCAPA;
   44: 
   45: 
   46: ############################################################
   47: ############################################################
   48: ##
   49: ## &get_dynamic_metadata_from_sql($url)
   50: ## 
   51: ## Queries sql database for dynamic metdata
   52: ## Returns a hash of hashes, with keys of urls which match $url
   53: ## Returned fields are given below.
   54: ##
   55: ## Examples:
   56: ## 
   57: ## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
   58: ##     ('/res/msu/korte/');
   59: ##
   60: ## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
   61: ##
   62: ############################################################
   63: ############################################################
   64: sub get_dynamic_metadata_from_sql {
   65:     my ($url) = shift();
   66:     my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
   67:     if (! defined($authordom)) {
   68:         $authordom = shift();
   69:     }
   70:     if  (! defined($author)) { 
   71:         $author = shift();
   72:     }
   73:     if (! defined($authordom) || ! defined($author)) {
   74:         return ();
   75:     }
   76:     my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
   77:     my $server = &Apache::lonnet::homeserver($author,$authordom);
   78:     my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
   79:                                                 ,[$server]);
   80:     return () if (! defined($reply) || ref($reply) ne 'HASH');
   81:     my $filename = $reply->{$server};
   82:     if (! defined($filename) || $filename =~ /^error/) {
   83:         return ();
   84:     }
   85:     my $max_time = time + 10; # wait 10 seconds for results at most
   86:     my %ReturnHash;
   87:     #
   88:     # Look for results
   89:     my $finished = 0;
   90:     while (! $finished && time < $max_time) {
   91:         my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
   92:         if (! -e "$datafile.end") { next; }
   93:         my $fh;
   94:         if (!($fh=Apache::File->new($datafile))) { next; }
   95:         while (my $result = <$fh>) {
   96:             chomp($result);
   97:             next if (! $result);
   98:             my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash(map { &unescape($_) } split(/\,/,$result));
   99:             foreach my $key (keys(%hash)) {
  100:                 $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
  101:             }
  102:         }
  103:         $finished = 1;
  104:     }
  105:     #
  106:     return %ReturnHash;
  107: }
  108: 
  109: 
  110: # Fetch and evaluate dynamic metadata
  111: sub dynamicmeta {
  112:     my $url=&Apache::lonnet::declutter(shift);
  113:     $url=~s/\.meta$//;
  114:     my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
  115:     my $regexp=$url;
  116:     $regexp=~s/(\W)/\\$1/g;
  117:     $regexp='___'.$regexp.'___';
  118:     my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
  119: 				       $aauthor,$regexp);
  120:     my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
  121:     my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
  122:                                                                \%DynamicData);
  123:     #
  124:     # Deal with 'count' separately
  125:     $Data{'count'} = &access_count($url,$aauthor,$adomain);
  126:     #
  127:     # Debugging code I will probably need later
  128:     if (0) {
  129:         &Apache::lonnet::logthis('Dynamic Metadata');
  130:         while(my($k,$v)=each(%Data)){
  131:             &Apache::lonnet::logthis('    "'.$k.'"=>"'.$v.'"');
  132:         }
  133:         &Apache::lonnet::logthis('-------------------');
  134:     }
  135:     return %Data;
  136: }
  137: 
  138: sub access_count {
  139:     my ($src,$author,$adomain) = @_;
  140:     my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
  141:                                         $author,$src);
  142:     if (! exists($countdata{$src})) {
  143:         return &mt('Not Available');
  144:     } else {
  145:         return $countdata{$src};
  146:     }
  147: }
  148: 
  149: # Try to make an alt tag if there is none
  150: sub alttag {
  151:     my ($base,$src)=@_;
  152:     my $fullpath=&Apache::lonnet::hreflocation($base,$src);
  153:     my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
  154:         &Apache::lonnet::metadata($fullpath,'subject').' '.
  155:         &Apache::lonnet::metadata($fullpath,'abstract');
  156:     $alttag=~s/\s+/ /gs;
  157:     $alttag=~s/\"//gs;
  158:     $alttag=~s/\'//gs;
  159:     $alttag=~s/\s+$//gs;
  160:     $alttag=~s/^\s+//gs;
  161:     if ($alttag) { 
  162:         return $alttag; 
  163:     } else { 
  164:         return &mt('No information available'); 
  165:     }
  166: }
  167: 
  168: # Author display
  169: sub authordisplay {
  170:     my ($aname,$adom)=@_;
  171:     return &Apache::loncommon::aboutmewrapper
  172:         (&Apache::loncommon::plainname($aname,$adom),
  173:          $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
  174: }
  175: 
  176: # Pretty display
  177: sub evalgraph {
  178:     my $value=shift;
  179:     if (! $value) { 
  180:         return '';
  181:     }
  182:     my $val=int($value*10.+0.5)-10;
  183:     my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
  184:     if ($val>=20) {
  185: 	$output.='<td width="20" bgcolor="#555555">&nbsp&nbsp;</td>';
  186:     } else {
  187:         $output.='<td width="'.($val).'" bgcolor="#555555">&nbsp;</td>'.
  188:                  '<td width="'.(20-$val).'" bgcolor="#FF3333">&nbsp;</td>';
  189:     }
  190:     $output.='<td bgcolor="#FFFF33">&nbsp;</td>';
  191:     if ($val>20) {
  192: 	$output.='<td width="'.($val-20).'" bgcolor="#33FF33">&nbsp;</td>'.
  193:                  '<td width="'.(40-$val).'" bgcolor="#555555">&nbsp;</td>';
  194:     } else {
  195:         $output.='<td width="20" bgcolor="#555555">&nbsp&nbsp;</td>';
  196:     }
  197:     $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
  198:     return $output;
  199: }
  200: 
  201: sub diffgraph {
  202:     my $value=shift;
  203:     if (! $value) { 
  204:         return '';
  205:     }
  206:     my $val=int(40.0*$value+0.5);
  207:     my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
  208:                 '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
  209:     my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
  210:     for (my $i=0;$i<8;$i++) {
  211: 	if ($val>$i*5) {
  212:             $output.='<td width="5" bgcolor="'.$colors[$i].'">&nbsp;</td>';
  213:         } else {
  214: 	    $output.='<td width="5" bgcolor="#555555">&nbsp;</td>';
  215: 	}
  216:     }
  217:     $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
  218:     return $output;
  219: }
  220: 
  221: 
  222: # The field names
  223: sub fieldnames {
  224:     my $file_type=shift;
  225:     my %fields = 
  226:         ('title' => 'Title',
  227:          'author' =>'Author(s)',
  228:          'authorspace' => 'Author Space',
  229:          'modifyinguser' => 'Last Modifying User',
  230:          'subject' => 'Subject',
  231:          'standards' => 'Standards',
  232:          'keywords' => 'Keyword(s)',
  233:          'notes' => 'Notes',
  234:          'abstract' => 'Abstract',
  235:          'lowestgradelevel' => 'Lowest Grade Level',
  236:          'highestgradelevel' => 'Highest Grade Level');
  237:     
  238:     if (! defined($file_type) || $file_type ne 'portfolio') {
  239:         %fields = 
  240: 	    (%fields,
  241: 	     'courserestricted' => 'Course Restricting Metadata');
  242:     }
  243:          
  244:     if (! defined($file_type) || $file_type ne 'portfolio') {
  245:         %fields = 
  246:         (%fields,
  247:          'domain' => 'Domain',
  248:          'mime' => 'MIME Type',
  249:          'language' => 'Language',
  250:          'creationdate' => 'Creation Date',
  251:          'lastrevisiondate' => 'Last Revision Date',
  252:          'owner' => 'Publisher/Owner',
  253:          'copyright' => 'Copyright/Distribution',
  254:          'customdistributionfile' => 'Custom Distribution File',
  255:          'sourceavail' => 'Source Available',
  256:          'sourcerights' => 'Source Custom Distribution File',
  257:          'obsolete' => 'Obsolete',
  258:          'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
  259:          'count'      => 'Network-wide number of accesses (hits)',
  260:          'course'     => 'Network-wide number of courses using resource',
  261:          'course_list' => 'Network-wide courses using resource',
  262:          'sequsage'      => 'Number of resources using or importing resource',
  263:          'sequsage_list' => 'Resources using or importing resource',
  264:          'goto'       => 'Number of resources that follow this resource in maps',
  265:          'goto_list'  => 'Resources that follow this resource in maps',
  266:          'comefrom'   => 'Number of resources that lead up to this resource in maps',
  267:          'comefrom_list' => 'Resources that lead up to this resource in maps',
  268:          'clear'      => 'Material presented in clear way',
  269:          'depth'      => 'Material covered with sufficient depth',
  270:          'helpful'    => 'Material is helpful',
  271:          'correct'    => 'Material appears to be correct',
  272:          'technical'  => 'Resource is technically correct', 
  273:          'avetries'   => 'Average number of tries till solved',
  274:          'stdno'      => 'Total number of students who have worked on this problem',
  275:          'difficulty' => 'Degree of difficulty',
  276:          'disc'       => 'Degree of discrimination',
  277: 	     'dependencies' => 'Resources used by this resource',
  278:          );
  279:     }
  280:     return &Apache::lonlocal::texthash(%fields);
  281: }
  282: 
  283: sub portfolio_linked_path {
  284:     my ($path,$group,$port_path) = @_;
  285: 
  286:     my $start = 'portfolio';
  287:     if ($group) {
  288: 	$start = "groups/$group/".$start;
  289:     }
  290:     my $result = &Apache::portfolio::make_anchor($port_path,$start,'/',
  291: 						 undef,undef,undef,$group);
  292:     
  293:     my $fullpath = '/';
  294:     my (undef,@tree) = split('/',$path);
  295:     my $filename = pop(@tree);
  296:     foreach my $dir (@tree) {
  297: 	$fullpath .= $dir.'/';
  298: 	$result .= '/';
  299: 	$result .= &Apache::portfolio::make_anchor($port_path,$dir,$fullpath,
  300: 						   undef,undef,undef,$group);
  301:     }
  302:     $result .= "/$filename";
  303:     return $result;
  304: }
  305: 
  306: sub get_port_path_and_group {
  307:     my ($uri)=@_;
  308: 
  309:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  310:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  311: 
  312:     my ($port_path,$group);
  313:     if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
  314: 	$group = (split('/',$uri))[5];
  315: 	$port_path = '/adm/coursegrp_portfolio';
  316:     } else {
  317: 	$port_path = '/adm/portfolio';
  318:     }
  319:     return ($port_path,$group);
  320: }
  321: 
  322: sub portfolio_display_uri {
  323:     my ($uri,$as_links)=@_;
  324: 
  325:     my ($port_path,$group) = &get_port_path_and_group($uri);
  326: 
  327:     $uri =~ s|.*/(portfolio/.*)$|$1|;
  328:     my ($res_uri,$meta_uri) = ($uri,$uri);
  329:     if ($uri =~ /\.meta$/) {
  330: 	$res_uri =~ s/\.meta//;
  331:     } else {
  332: 	$meta_uri .= '.meta';
  333:     }
  334: 
  335:     my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
  336:     if ($as_links) {
  337: 	$res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
  338: 	$meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
  339:     }
  340:     return ($res_uri,$meta_uri,$path);
  341: }
  342: 
  343: sub pre_select_course {
  344:     my ($r,$uri) = @_;
  345:     my $output;
  346:     my $fn=&Apache::lonnet::filelocation('',$uri);
  347:     my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
  348:     %Apache::lonpublisher::metadatafields=();
  349:     %Apache::lonpublisher::metadatakeys=();
  350:     my $result=&Apache::lonnet::getfile($fn);
  351:     if ($result == -1){
  352:         $r->print(&mt('Creating new file [_1]'),$meta_uri);
  353:     } else {
  354:         &Apache::lonpublisher::metaeval($result);
  355:     }
  356:     $r->print('<hr /><form method="post" action="" >');
  357:     $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
  358:     $output = &select_course();
  359:     $r->print($output.'<br /><input type="submit" name="store" value="'.
  360:                   &mt('Associate Resource With Selected Course').'">');
  361:     $r->print('</form>');
  362:     
  363:     my ($port_path,$group) = &get_port_path_and_group($uri);
  364:     $r->print('<br /><br /><form method="POST" action="'.$port_path.'">'.
  365:               '<input type="hidden" name="currentpath" value="'.$path.'" />'.
  366: 	      '<input type="hidden" name="group" value="'.$group.'" />'.
  367: 	      '<input type="submit" name="cancel" value="'.&mt('Cancel').'">'.
  368: 	      '</form>');
  369: 
  370:     return;
  371: }
  372: sub select_course {
  373:     my $output=$/;
  374:     my $current_restriction=
  375: 	$Apache::lonpublisher::metadatafields{'courserestricted'};
  376:     my $selected = ($current_restriction eq 'none' ? 'selected="selected"' 
  377: 		                                   : '');
  378: 
  379:     $output .= '<select name="new_courserestricted" >';
  380:     $output .= '<option value="none" '.$selected.'>'.
  381: 	&mt('None').'</option>'.$/;
  382:     my %courses;
  383:     foreach my $key (keys(%env)) {
  384:         if ($key !~ m/^course\.(.+)\.description$/) { next; }
  385: 	my $cid = $1;
  386:         if ($env{$key} !~ /\S/) { next; }
  387: 	$courses{$key} = $cid;
  388:     }
  389:     foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
  390: 	my $cid = 'course.'.$courses{$key};
  391: 	my $selected = ($current_restriction eq $cid ? 'selected="selected"' 
  392: 		                                     : '');
  393:         if ($env{$key} !~ /\S/) { next; }
  394: 	$output .= '<option value="'.$cid.'" '.$selected.'>';
  395: 	$output .= $env{$key};
  396: 	$output .= '</option>'.$/;
  397: 	$selected = '';
  398:     }
  399:     $output .= '</select><br />';
  400:     return ($output);
  401: }
  402: # Pretty printing of metadata field
  403: 
  404: sub prettyprint {
  405:     my ($type,$value,$target,$prefix,$form,$noformat)=@_;
  406: # $target,$prefix,$form are optional and for filecrumbs only
  407:     if (! defined($value)) { 
  408:         return '&nbsp;'; 
  409:     }
  410:     # Title
  411:     if ($type eq 'title') {
  412: 	return '<font size="+1" face="arial">'.$value.'</font>';
  413:     }
  414:     # Dates
  415:     if (($type eq 'creationdate') ||
  416: 	($type eq 'lastrevisiondate')) {
  417: 	return ($value?&Apache::lonlocal::locallocaltime(
  418: 			  &Apache::lonmysql::unsqltime($value)):
  419: 		&mt('not available'));
  420:     }
  421:     # Language
  422:     if ($type eq 'language') {
  423: 	return &Apache::loncommon::languagedescription($value);
  424:     }
  425:     # Copyright
  426:     if ($type eq 'copyright') {
  427: 	return &Apache::loncommon::copyrightdescription($value);
  428:     }
  429:     # Copyright
  430:     if ($type eq 'sourceavail') {
  431: 	return &Apache::loncommon::source_copyrightdescription($value);
  432:     }
  433:     # MIME
  434:     if ($type eq 'mime') {
  435:         return '<img src="'.&Apache::loncommon::icon($value).'" />&nbsp;'.
  436:             &Apache::loncommon::filedescription($value);
  437:     }
  438:     # Person
  439:     if (($type eq 'author') || 
  440: 	($type eq 'owner') ||
  441: 	($type eq 'modifyinguser') ||
  442: 	($type eq 'authorspace')) {
  443: 	$value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
  444: 	return $value;
  445:     }
  446:     # Gradelevel
  447:     if (($type eq 'lowestgradelevel') ||
  448: 	($type eq 'highestgradelevel')) {
  449: 	return &Apache::loncommon::gradeleveldescription($value);
  450:     }
  451:     # Only for advance users below
  452:     if (! $env{'user.adv'}) { 
  453:         return '<i>- '.&mt('not displayed').' -</i>';
  454:     }
  455:     # File
  456:     if (($type eq 'customdistributionfile') ||
  457: 	($type eq 'obsoletereplacement') ||
  458: 	($type eq 'goto_list') ||
  459: 	($type eq 'comefrom_list') ||
  460: 	($type eq 'sequsage_list') ||
  461: 	($type eq 'dependencies')) {
  462: 	return '<font size="-1"><ul>'.join("\n",map {
  463:             my $url = &Apache::lonnet::clutter($_);
  464:             my $title = &Apache::lonnet::gettitle($url);
  465:             if ($title eq '') {
  466:                 $title = 'Untitled';
  467:                 if ($url =~ /\.sequence$/) {
  468:                     $title .= ' Sequence';
  469:                 } elsif ($url =~ /\.page$/) {
  470:                     $title .= ' Page';
  471:                 } elsif ($url =~ /\.problem$/) {
  472:                     $title .= ' Problem';
  473:                 } elsif ($url =~ /\.html$/) {
  474:                     $title .= ' HTML document';
  475:                 } elsif ($url =~ m:/syllabus$:) {
  476:                     $title .= ' Syllabus';
  477:                 } 
  478:             }
  479:             $_ = '<li>'.$title.' '.
  480: 		&Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
  481:                 '</li>'
  482: 	    } split(/\s*\,\s*/,$value)).'</ul></font>';
  483:     }
  484:     # Evaluations
  485:     if (($type eq 'clear') ||
  486: 	($type eq 'depth') ||
  487: 	($type eq 'helpful') ||
  488: 	($type eq 'correct') ||
  489: 	($type eq 'technical')) {
  490: 	return &evalgraph($value);
  491:     }
  492:     # Difficulty
  493:     if ($type eq 'difficulty' || $type eq 'disc') {
  494: 	return &diffgraph($value);
  495:     }
  496:     # List of courses
  497:     if ($type=~/\_list/) {
  498:         my @Courses = split(/\s*\,\s*/,$value);
  499:         my $Str='<font size="-1"><ul>';
  500:         foreach my $course (@Courses) {
  501:             my %courseinfo =
  502: 		&Apache::lonnet::coursedescription($course,
  503: 						   {'one_time' => 1});
  504:             if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
  505:                 next;
  506:             }
  507:             $Str .= '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
  508:                 $courseinfo{'num'}.'/syllabus" target="preview">'.
  509:                 $courseinfo{'description'}.'</a></li>';
  510:         }
  511: 	return $Str.'</ul></font>';
  512:     }
  513:     # No pretty print found
  514:     return $value;
  515: }
  516: 
  517: # Pretty input of metadata field
  518: sub direct {
  519:     return shift;
  520: }
  521: 
  522: sub selectbox {
  523:     my ($name,$value,$functionref,@idlist)=@_;
  524:     if (! defined($functionref)) {
  525:         $functionref=\&direct;
  526:     }
  527:     my $selout='<select name="'.$name.'">';
  528:     foreach (@idlist) {
  529:         $selout.='<option value=\''.$_.'\'';
  530:         if ($_ eq $value) {
  531: 	    $selout.=' selected>'.&{$functionref}($_).'</option>';
  532: 	}
  533:         else {$selout.='>'.&{$functionref}($_).'</option>';}
  534:     }
  535:     return $selout.'</select>';
  536: }
  537: 
  538: sub relatedfield {
  539:     my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
  540:     if (! $relatedsearchflag) { 
  541:         return '';
  542:     }
  543:     if (! defined($relatedsep)) {
  544:         $relatedsep=' ';
  545:     }
  546:     if (! $show) {
  547:         return $relatedsep.'&nbsp;';
  548:     }
  549:     return $relatedsep.'<input type="checkbox" name="'.$fieldname.'_related"'.
  550: 	($relatedvalue?' checked="1"':'').' />';
  551: }
  552: 
  553: sub prettyinput {
  554:     my ($type,$value,$fieldname,$formname,
  555: 	$relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
  556:     if (! defined($size)) {
  557:         $size = 80;
  558:     }
  559:     my $output;
  560:     if (defined($course_key) 
  561: 	&& exists($env{$course_key.'.metadata.'.$type.'.options'})) {
  562:         my $stu_add;
  563:         my $only_one;
  564:         my %meta_options;
  565:         my @cur_values_inst;
  566:         my $cur_values_stu;
  567:         my $values = $env{$course_key.'.metadata.'.$type.'.values'};
  568:         if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
  569:             $stu_add = 'true';
  570:         }
  571:         if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
  572:             $only_one = 'true';
  573:         }
  574:         # need to take instructor values out of list where instructor and student
  575:         # values may be mixed.
  576:         if ($values) {
  577:             foreach my $item (split(/,/,$values)) {
  578:                 $item =~ s/^\s+//;
  579:                 $meta_options{$item} = $item;
  580:             }
  581:             foreach my $item (split(/,/,$value)) {
  582:                 $item =~ s/^\s+//;
  583:                 if ($meta_options{$item}) {
  584:                     push(@cur_values_inst,$item);
  585:                 } else {
  586:                     $cur_values_stu .= $item.',';
  587:                 }
  588:             }
  589:         } else {
  590:             $cur_values_stu = $value;
  591:         }
  592:         if ($type eq 'courserestricted') {
  593:             return (&select_course());
  594:             # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
  595:         }
  596:         if (($type eq 'keywords') || ($type eq 'subject')
  597:              || ($type eq 'author')||($type eq  'notes')
  598:              || ($type eq  'abstract')|| ($type eq  'title')|| ($type eq  'standards')) {
  599:             if ($values) {
  600:                 if ($only_one) {
  601:                     $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
  602:                 } else {
  603:                     $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
  604:                 }
  605:             }
  606:             if ($stu_add) {
  607:                 $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
  608:                 'value="'.$cur_values_stu.'" />'.
  609:                 &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
  610:                       $relatedvalue); 
  611:             }
  612:             return ($output);
  613:         }
  614:         if (($type eq 'lowestgradelevel') ||
  615: 	    ($type eq 'highestgradelevel')) {
  616: 	    return &Apache::loncommon::select_level_form($value,$fieldname).
  617:             &relatedfield(0,$relatedsearchflag,$relatedsep); 
  618:         }
  619:         return(); 
  620:     }
  621:     # Language
  622:     if ($type eq 'language') {
  623: 	return &selectbox($fieldname,
  624: 			  $value,
  625: 			  \&Apache::loncommon::languagedescription,
  626: 			  (&Apache::loncommon::languageids)).
  627:                               &relatedfield(0,$relatedsearchflag,$relatedsep);
  628:     }
  629:     # Copyright
  630:     if ($type eq 'copyright') {
  631: 	return &selectbox($fieldname,
  632: 			  $value,
  633: 			  \&Apache::loncommon::copyrightdescription,
  634: 			  (&Apache::loncommon::copyrightids)).
  635:                               &relatedfield(0,$relatedsearchflag,$relatedsep);
  636:     }
  637:     # Source Copyright
  638:     if ($type eq 'sourceavail') {
  639: 	return &selectbox($fieldname,
  640: 			  $value,
  641: 			  \&Apache::loncommon::source_copyrightdescription,
  642: 			  (&Apache::loncommon::source_copyrightids)).
  643:                               &relatedfield(0,$relatedsearchflag,$relatedsep);
  644:     }
  645:     # Gradelevels
  646:     if (($type eq 'lowestgradelevel') ||
  647: 	($type eq 'highestgradelevel')) {
  648: 	return &Apache::loncommon::select_level_form($value,$fieldname).
  649:             &relatedfield(0,$relatedsearchflag,$relatedsep);
  650:     }
  651:     # Obsolete
  652:     if ($type eq 'obsolete') {
  653: 	return '<input type="checkbox" name="'.$fieldname.'"'.
  654: 	    ($value?' checked="1"':'').' />'.
  655:             &relatedfield(0,$relatedsearchflag,$relatedsep); 
  656:     }
  657:     # Obsolete replacement file
  658:     if ($type eq 'obsoletereplacement') {
  659: 	return '<input type="text" name="'.$fieldname.
  660: 	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
  661: 	    "('".$formname."','".$fieldname."'".
  662: 	    ",'')\">".&mt('Select').'</a>'.
  663:             &relatedfield(0,$relatedsearchflag,$relatedsep); 
  664:     }
  665:     # Customdistribution file
  666:     if ($type eq 'customdistributionfile') {
  667: 	return '<input type="text" name="'.$fieldname.
  668: 	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
  669: 	    "('".$formname."','".$fieldname."'".
  670: 	    ",'rights')\">".&mt('Select').'</a>'.
  671:             &relatedfield(0,$relatedsearchflag,$relatedsep); 
  672:     }
  673:     # Source Customdistribution file
  674:     if ($type eq 'sourcerights') {
  675: 	return '<input type="text" name="'.$fieldname.
  676: 	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
  677: 	    "('".$formname."','".$fieldname."'".
  678: 	    ",'rights')\">".&mt('Select').'</a>'.
  679:             &relatedfield(0,$relatedsearchflag,$relatedsep); 
  680:     }
  681:     if ($type eq 'courserestricted') {
  682:         return (&select_course());
  683:         #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
  684:     }
  685: 
  686:     # Dates
  687:     if (($type eq 'creationdate') ||
  688: 	($type eq 'lastrevisiondate')) {
  689: 	return 
  690:             &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value).
  691:             &relatedfield(0,$relatedsearchflag,$relatedsep);
  692:     }
  693:     # No pretty input found
  694:     $value=~s/^\s+//gs;
  695:     $value=~s/\s+$//gs;
  696:     $value=~s/\s+/ /gs;
  697:     $value=~s/\"/\&quot\;/gs;
  698:     return 
  699:         '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
  700:         'value="'.$value.'" />'.
  701:         &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
  702:                       $relatedvalue); 
  703: }
  704: 
  705: # Main Handler
  706: sub handler {
  707:     my $r=shift;
  708:     #
  709:     my $uri=$r->uri;
  710:     #
  711:     # Set document type
  712:     &Apache::loncommon::content_type($r,'text/html');
  713:     $r->send_http_header;
  714:     return OK if $r->header_only;
  715:     #
  716:     my ($resdomain,$resuser)=
  717:         (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
  718: 
  719:     if ($uri=~m:/adm/bombs/(.*)$:) {
  720:         $r->print(&Apache::loncommon::start_page('Error Messages'));
  721:         # Looking for all bombs?
  722:         &report_bombs($r,$uri);
  723:     } elsif ($uri=~/\/portfolio\//) {
  724: 	    ($resdomain,$resuser)=
  725: 	    (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
  726:         $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
  727: 						 undef,
  728: 						 {'domain' => $resdomain,}));
  729:         if ($env{'form.store'}) {
  730:             &present_editable_metadata($r,$uri,'portfolio');
  731:         } else {
  732:             &pre_select_course($r,$uri);
  733:         }
  734:     } elsif ($uri=~/^\/\~/) { 
  735:         # Construction space
  736:         $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
  737: 						 undef,
  738: 						 {'domain' => $resdomain,}));
  739:         &present_editable_metadata($r,$uri);
  740:     } else {
  741:         $r->print(&Apache::loncommon::start_page('Catalog Information',
  742: 						 undef,
  743: 						 {'domain' => $resdomain,}));
  744:         &present_uneditable_metadata($r,$uri);
  745:     }
  746:     $r->print(&Apache::loncommon::end_page());
  747:     return OK;
  748: }
  749: 
  750: #####################################################
  751: #####################################################
  752: ###                                               ###
  753: ###                Report Bombs                   ###
  754: ###                                               ###
  755: #####################################################
  756: #####################################################
  757: sub report_bombs {
  758:     my ($r,$uri) = @_;
  759:     # Set document type
  760:     $uri =~ s:/adm/bombs/::;
  761:     $uri = &Apache::lonnet::declutter($uri);
  762:     $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
  763:     my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
  764:     if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
  765: 	if ($env{'form.clearbombs'}) {
  766: 	    &Apache::lonmsg::clear_author_res_msg($uri);
  767: 	}
  768:         my $clear=&mt('Clear all Messages in Subdirectory');
  769: 	$r->print(<<ENDCLEAR);
  770: <form method="post">
  771: <input type="submit" name="clearbombs" value="$clear" />
  772: </form>
  773: ENDCLEAR
  774:         my %brokenurls = 
  775:             &Apache::lonmsg::all_url_author_res_msg($author,$domain);
  776:         foreach (sort(keys(%brokenurls))) {
  777:             if ($_=~/^\Q$uri\E/) {
  778:                 $r->print
  779:                     ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
  780:                      &Apache::lonmsg::retrieve_author_res_msg($_).
  781:                      '<hr />');
  782:             }
  783:         }
  784:     } else {
  785:         $r->print(&mt('Not authorized'));
  786:     }
  787:     return;
  788: }
  789: 
  790: #####################################################
  791: #####################################################
  792: ###                                               ###
  793: ###        Uneditable Metadata Display            ###
  794: ###                                               ###
  795: #####################################################
  796: #####################################################
  797: sub present_uneditable_metadata {
  798:     my ($r,$uri) = @_;
  799:     #
  800:     my %content=();
  801:     # Read file
  802:     foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
  803:         $content{$_}=&Apache::lonnet::metadata($uri,$_);
  804:     }
  805:     # Render Output
  806:     # displayed url
  807:     my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
  808:     $uri=~s/\.meta$//;
  809:     my $disuri=&Apache::lonnet::clutter($uri);
  810:     $disuri=~s/^\/adm\/wrapper//;
  811:     # version
  812:     my $currentversion=&Apache::lonnet::getversion($disuri);
  813:     my $versiondisplay='';
  814:     if ($thisversion) {
  815:         $versiondisplay=&mt('Version').': '.$thisversion.
  816:             ' ('.&mt('most recent version').': '.
  817:             ($currentversion>0 ? 
  818:              $currentversion   :
  819:              &mt('information not available')).')';
  820:     } else {
  821:         $versiondisplay='Version: '.$currentversion;
  822:     }
  823:     # crumbify displayed URL               uri     target prefix form  size
  824:     $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
  825:     $disuri =~ s:<br />::g;
  826:     # obsolete
  827:     my $obsolete=$content{'obsolete'};
  828:     my $obsoletewarning='';
  829:     if (($obsolete) && ($env{'user.adv'})) {
  830:         $obsoletewarning='<p><font color="red">'.
  831:             &mt('This resource has been marked obsolete by the author(s)').
  832:             '</font></p>';
  833:     }
  834:     #
  835:     my %lt=&fieldnames();
  836:     my $table='';
  837:     my $title = $content{'title'};
  838:     if (! defined($title)) {
  839:         $title = 'Untitled Resource';
  840:     }
  841:     foreach ('title', 
  842:              'author', 
  843:              'subject', 
  844:              'keywords', 
  845:              'notes', 
  846:              'abstract',
  847:              'lowestgradelevel',
  848:              'highestgradelevel',
  849:              'standards', 
  850:              'mime', 
  851:              'language', 
  852:              'creationdate', 
  853:              'lastrevisiondate', 
  854:              'owner', 
  855:              'copyright', 
  856:              'customdistributionfile',
  857:              'sourceavail',
  858:              'sourcerights', 
  859:              'obsolete', 
  860:              'obsoletereplacement') {
  861:         $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
  862:             '</td><td bgcolor="#CCCCCC">'.
  863:             &prettyprint($_,$content{$_}).'</td></tr>';
  864:         delete $content{$_};
  865:     }
  866:     #
  867:     $r->print(<<ENDHEAD);
  868: <h2>$title</h2>
  869: <p>
  870: $disuri<br />
  871: $obsoletewarning
  872: $versiondisplay
  873: </p>
  874: <table cellspacing="2" border="0">
  875: $table
  876: </table>
  877: ENDHEAD
  878:     if ($env{'user.adv'}) {
  879:         &print_dynamic_metadata($r,$uri,\%content);
  880:     }
  881:     return;
  882: }
  883: 
  884: sub print_dynamic_metadata {
  885:     my ($r,$uri,$content) = @_;
  886:     #
  887:     my %content = %$content;
  888:     my %lt=&fieldnames();
  889:     #
  890:     my $description = 'Dynamic Metadata (updated periodically)';
  891:     $r->print('<h3>'.&mt($description).'</h3>'.
  892:               &mt('Processing'));
  893:     $r->rflush();
  894:     my %items=&fieldnames();
  895:     my %dynmeta=&dynamicmeta($uri);
  896:     #
  897:     # General Access and Usage Statistics
  898:     if (exists($dynmeta{'count'}) ||
  899:         exists($dynmeta{'sequsage'}) ||
  900:         exists($dynmeta{'comefrom'}) ||
  901:         exists($dynmeta{'goto'}) ||
  902:         exists($dynmeta{'course'})) {
  903:         $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
  904:                   '<table cellspacing="2" border="0">');
  905:         foreach ('count',
  906:                  'sequsage','sequsage_list',
  907:                  'comefrom','comefrom_list',
  908:                  'goto','goto_list',
  909:                  'course','course_list') {
  910:             $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
  911:                       '<td bgcolor="#CCCCCC">'.
  912:                       &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
  913:         }
  914:         $r->print('</table>');
  915:     } else {
  916:         $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
  917:     }
  918:     #
  919:     # Assessment statistics
  920:     if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
  921:         if (exists($dynmeta{'stdno'}) ||
  922:             exists($dynmeta{'avetries'}) ||
  923:             exists($dynmeta{'difficulty'}) ||
  924:             exists($dynmeta{'disc'})) {
  925:             # This is an assessment, print assessment data
  926:             $r->print('<h4>'.
  927:                       &mt('Overall Assessment Statistical Data').
  928:                       '</h4>'.
  929:                       '<table cellspacing="2" border="0">');
  930:             $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
  931:                       '<td bgcolor="#CCCCCC">'.
  932:                       &prettyprint('stdno',$dynmeta{'stdno'}).
  933:                       '</td>'."</tr>\n");
  934:             foreach ('avetries','difficulty','disc') {
  935:                 $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
  936:                           '<td bgcolor="#CCCCCC">'.
  937:                           &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
  938:                           '</td>'."</tr>\n");
  939:             }
  940:             $r->print('</table>');    
  941:         }
  942:         if (exists($dynmeta{'stats'})) {
  943:             #
  944:             # New assessment statistics
  945:             $r->print('<h4>'.
  946:                       &mt('Detailed Assessment Statistical Data').
  947:                       '</h4>');
  948:             my $table = '<table cellspacing="2" border="0">'.
  949:                 '<tr>'.
  950:                 '<th>Course</th>'.
  951:                 '<th>Section(s)</th>'.
  952:                 '<th>Num Students</th>'.
  953:                 '<th>Mean Tries</th>'.
  954:                 '<th>Degree of Difficulty</th>'.
  955:                 '<th>Degree of Discrimination</th>'.
  956:                 '<th>Time of computation</th>'.
  957:                 '</tr>'.$/;
  958:             foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
  959:                 my $data = $dynmeta{'stats'}->{$identifier};
  960:                 my $course = $data->{'course'};
  961:                 my %courseinfo = 
  962: 		    &Apache::lonnet::coursedescription($course,
  963: 						       {'one_time' => 1});
  964:                 if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
  965:                     &Apache::lonnet::logthis('lookup for '.$course.' failed');
  966:                     next;
  967:                 }
  968:                 $table .= '<tr>';
  969:                 $table .= 
  970:                     '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
  971:                 $table .= 
  972:                     '<td align="right">'.$data->{'sections'}.'</td>';
  973:                 $table .=
  974:                     '<td align="right">'.$data->{'stdno'}.'</td>';
  975:                 foreach ('avetries','difficulty','disc') {
  976:                     $table .= '<td align="right">';
  977:                     if (exists($data->{$_})) {
  978:                         $table .= sprintf('%.2f',$data->{$_}).'&nbsp;';
  979:                     } else {
  980:                         $table .= '';
  981:                     }
  982:                     $table .= '</td>';
  983:                 }
  984:                 $table .=
  985:                     '<td><nobr>'.
  986:                     &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
  987:                     '</nobr></td>';
  988:                 $table .=
  989:                     '</tr>'.$/;
  990:             }
  991:             $table .= '</table>'.$/;
  992:             $r->print($table);
  993:         } else {
  994:             $r->print('No new dynamic data found.');
  995:         }
  996:     } else {
  997:         $r->print('<h4>'.
  998:           &mt('No Assessment Statistical Data is available for this resource').
  999:                   '</h4>');
 1000:     }
 1001: 
 1002:     #
 1003:     #
 1004:     if (exists($dynmeta{'clear'})   || 
 1005:         exists($dynmeta{'depth'})   || 
 1006:         exists($dynmeta{'helpful'}) || 
 1007:         exists($dynmeta{'correct'}) || 
 1008:         exists($dynmeta{'technical'})){ 
 1009:         $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
 1010:                   '<table cellspacing="2" border="0">');
 1011:         foreach ('clear','depth','helpful','correct','technical') {
 1012:             $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
 1013:                       '<td bgcolor="#CCCCCC">'.
 1014:                       &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
 1015:         }
 1016:         $r->print('</table>');
 1017:     } else {
 1018:         $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
 1019:     }
 1020:     $uri=~/^\/res\/(\w+)\/(\w+)\//; 
 1021:     if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
 1022:         || ($env{'user.role.ca./'.$1.'/'.$2})) {
 1023:         if (exists($dynmeta{'comments'})) {
 1024:             $r->print('<h4>'.&mt('Evaluation Comments').' ('.
 1025:                       &mt('visible to author and co-authors only').
 1026:                       ')</h4>'.
 1027:                       '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
 1028:         } else {
 1029:             $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
 1030:         }
 1031:         my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
 1032:         if (defined($bombs) && $bombs ne '') {
 1033:             $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
 1034:                       &mt('visible to author and co-authors only').')'.
 1035:                       '</h4>'.$bombs);
 1036:         } else {
 1037:             $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
 1038:         }
 1039:     }
 1040:     #
 1041:     # All other stuff
 1042:     $r->print('<h3>'.
 1043:               &mt('Additional Metadata (non-standard, parameters, exports)').
 1044:               '</h3><table border="0" cellspacing="1">');
 1045:     foreach (sort(keys(%content))) {
 1046:         my $name=$_;
 1047:         if ($name!~/\.display$/) {
 1048:             my $display=&Apache::lonnet::metadata($uri,
 1049:                                                   $name.'.display');
 1050:             if (! $display) { 
 1051:                 $display=$name;
 1052:             };
 1053:             my $otherinfo='';
 1054:             foreach ('name','part','type','default') {
 1055:                 if (defined(&Apache::lonnet::metadata($uri,
 1056:                                                       $name.'.'.$_))) {
 1057:                     $otherinfo.=' '.$_.'='.
 1058:                         &Apache::lonnet::metadata($uri,
 1059:                                                   $name.'.'.$_).'; ';
 1060:                 }
 1061:             }
 1062:             $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
 1063:             if ($otherinfo) {
 1064:                 $r->print(' ('.$otherinfo.')');
 1065:             }
 1066:             $r->print("</font></td></tr>\n");
 1067:         }
 1068:     }
 1069:     $r->print("</table>");
 1070:     return;
 1071: }
 1072: 
 1073: 
 1074: 
 1075: #####################################################
 1076: #####################################################
 1077: ###                                               ###
 1078: ###          Editable metadata display            ###
 1079: ###                                               ###
 1080: #####################################################
 1081: #####################################################
 1082: sub present_editable_metadata {
 1083:     my ($r,$uri, $file_type) = @_;
 1084:     # Construction Space Call
 1085:     # Header
 1086:     my $disuri=$uri;
 1087:     my $fn=&Apache::lonnet::filelocation('',$uri);
 1088:     $disuri=~s{^/\~}{/priv/};
 1089:     $disuri=~s/\.meta$//;
 1090:     my $meta_uri = $disuri;
 1091:     my $path;
 1092:     if ($disuri =~ m|/portfolio/|) {
 1093: 	($disuri, $meta_uri, $path) =  &portfolio_display_uri($disuri,1);
 1094:     }
 1095:     my $target=$uri;
 1096:     $target=~s{^/\~}{/res/$env{'request.role.domain'}/};
 1097:     $target=~s/\.meta$//;
 1098:     my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
 1099:     if ($bombs) {
 1100:         my $showdel=1;
 1101:         if ($env{'form.delmsg'}) {
 1102:             if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
 1103:                 $bombs=&mt('Messages deleted.');
 1104: 		$showdel=0;
 1105:             } else {
 1106:                 $bombs=&mt('Error deleting messages');
 1107:             }
 1108:         }
 1109:         if ($env{'form.clearmsg'}) {
 1110: 	    my $cleardir=$target;
 1111: 	    $cleardir=~s/\/[^\/]+$/\//;
 1112:             if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
 1113:                 $bombs=&mt('Messages cleared.');
 1114: 		$showdel=0;
 1115:             } else {
 1116:                 $bombs=&mt('Error clearing messages');
 1117:             }
 1118:         }
 1119:         my $del=&mt('Delete Messages for this Resource');
 1120: 	my $clear=&mt('Clear all Messages in Subdirectory');
 1121: 	my $goback=&mt('Back to Source File');
 1122:         $r->print(<<ENDBOMBS);
 1123: <h1>$disuri</h1>
 1124: <form method="post" name="defaultmeta">
 1125: ENDBOMBS
 1126:         if ($showdel) {
 1127: 	    $r->print(<<ENDDEL);
 1128: <input type="submit" name="delmsg" value="$del" />
 1129: <input type="submit" name="clearmsg" value="$clear" />
 1130: ENDDEL
 1131:         } else {
 1132:             $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
 1133: 	}
 1134: 	$r->print('<br />'.$bombs);
 1135:     } else {
 1136:         my $displayfile='Catalog Information for '.$disuri;
 1137:         if ($disuri=~/\/default$/) {
 1138:             my $dir=$disuri;
 1139:             $dir=~s/default$//;
 1140:             $displayfile=
 1141:                 &mt('Default Cataloging Information for Directory').' '.
 1142:                 $dir;
 1143:         }
 1144:         %Apache::lonpublisher::metadatafields=();
 1145:         %Apache::lonpublisher::metadatakeys=();
 1146:         my $result=&Apache::lonnet::getfile($fn);
 1147:         if ($result == -1){
 1148: 	    $r->print(&mt('Creating new file [_1]'),$meta_uri);
 1149:         } else {
 1150:             &Apache::lonpublisher::metaeval($result);
 1151:         }
 1152:         $r->print(<<ENDEDIT);
 1153: <h1>$displayfile</h1>
 1154: <form method="post" name="defaultmeta">
 1155: ENDEDIT
 1156:         $r->print('<script language="JavaScript">'.
 1157:                   &Apache::loncommon::browser_and_searcher_javascript().
 1158:                   '</script>');
 1159:         my %lt=&fieldnames($file_type);
 1160: 	my $output;
 1161: 	my @fields;
 1162: 	if ($file_type eq 'portfolio') {
 1163: 	    @fields =  ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
 1164: 	                'highestgradelevel','standards');
 1165: 	} else {
 1166: 	    @fields = ('author','title','subject','keywords','abstract','notes',
 1167:                  'copyright','customdistributionfile','language',
 1168:                  'standards',
 1169:                  'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
 1170:                  'obsolete','obsoletereplacement');
 1171:         }
 1172:         if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
 1173:                 (! $env{'form.new_courserestricted'})) {
 1174:             $Apache::lonpublisher::metadatafields{'courserestricted'}=
 1175:                 'none';
 1176:         } elsif ($env{'form.new_courserestricted'}) {
 1177:             $Apache::lonpublisher::metadatafields{'courserestricted'}=
 1178:                 $env{'form.new_courserestricted'}; 
 1179:         }           
 1180:         if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
 1181:                 $Apache::lonpublisher::metadatafields{'copyright'}=
 1182:                 'default';
 1183:         }
 1184: 	if ($file_type eq 'portfolio') {
 1185: 	    if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
 1186: 		$r->print(&mt('Associated with course [_1]','<strong>'.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}.
 1187: 			      '</strong>').'<br />');
 1188: 	    } else {
 1189: 		$r->print("This resource is not associated with a course.<br />");
 1190: 	    }
 1191: 	}
 1192:         foreach my $field_name (@fields) {
 1193: 
 1194:             if (defined($env{'form.new_'.$field_name})) {
 1195:                 $Apache::lonpublisher::metadatafields{$field_name}=
 1196:                     join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
 1197:             }
 1198:             if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
 1199: 		&& exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
 1200:                 # handle restrictions here
 1201:                 if (($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
 1202:                     ($field_name eq 'courserestricted')){
 1203:                     $output.=("\n".'<p>'.$lt{$field_name}.': '.
 1204:                               &prettyinput($field_name,
 1205: 				   $Apache::lonpublisher::metadatafields{$field_name},
 1206: 				                    'new_'.$field_name,'defaultmeta',
 1207: 				                    undef,undef,undef,undef,
 1208: 				                    $Apache::lonpublisher::metadatafields{'courserestricted'}).'</p>'."\n");
 1209:                  }
 1210:             } else {
 1211: 
 1212:                     $output.=('<p>'.$lt{$field_name}.': '.
 1213:                             &prettyinput($field_name,
 1214: 				   $Apache::lonpublisher::metadatafields{$field_name},
 1215: 				   'new_'.$field_name,'defaultmeta').'</p>');
 1216:                
 1217:             }
 1218:         }
 1219: 	if ($env{'form.store'}) {
 1220: 	    my $mfh;
 1221: 	    my $formname='store'; 
 1222: 	    my $file_content;
 1223: 	    if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
 1224: 		$Apache::lonpublisher::metadatafields{'keywords'} = 
 1225: 		    join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
 1226: 	    }
 1227: 
 1228: 	    foreach (sort keys %Apache::lonpublisher::metadatafields) {
 1229: 		next if ($_ =~ /\./);
 1230: 		my $unikey=$_;
 1231: 		$unikey=~/^([A-Za-z]+)/;
 1232: 		my $tag=$1;
 1233: 		$tag=~tr/A-Z/a-z/;
 1234: 		$file_content.= "\n\<$tag";
 1235: 		foreach (split(/\,/,
 1236: 			       $Apache::lonpublisher::metadatakeys{$unikey})
 1237: 			 ) {
 1238: 		    my $value=
 1239: 			$Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
 1240: 		    $value=~s/\"/\'\'/g;
 1241: 		    $file_content.=' '.$_.'="'.$value.'"' ;
 1242: 		    # print $mfh ' '.$_.'="'.$value.'"';
 1243: 		}
 1244: 		$file_content.= '>'.
 1245: 		    &HTML::Entities::encode
 1246: 		    ($Apache::lonpublisher::metadatafields{$unikey},
 1247: 		     '<>&"').
 1248: 		     '</'.$tag.'>';
 1249: 	    }
 1250: 	    if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles/portfolio/|) {
 1251: 		my ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
 1252:                 $r->print(&store_portfolio_metadata($formname,$file_content,$path,
 1253:                                                     $new_fn));    
 1254:             } elsif ($fn =~  m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles/groups/\w+/portfolio/|) {
 1255:                 my ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|);
 1256:                 $r->print(&store_portfolio_metadata($formname,$file_content,$path,$new_fn));
 1257: 	    } else {
 1258: 		if (!  ($mfh=Apache::File->new('>'.$fn))) {
 1259: 		    $r->print('<p><font color="red">'.
 1260: 			      &mt('Could not write metadata').', '.
 1261: 			      &mt('FAIL').'</font></p>');
 1262: 		} else {
 1263: 		    print $mfh $file_content;
 1264: 		    $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
 1265: 			      ' '.&Apache::lonlocal::locallocaltime(time).
 1266: 			      '</font></p>');
 1267: 		}
 1268: 	    }
 1269: 	}
 1270: 	
 1271: 	$r->print($output.'<br /><input type="submit" name="store" value="'.
 1272:                   &mt('Store Catalog Information').'">');
 1273: 
 1274: 	if ($file_type eq 'portfolio') {
 1275: 	    my ($port_path,$group) = &get_port_path_and_group($uri);
 1276:             if ($group) {
 1277:                 $r->print('<input type="hidden" name="group" value="'.$group.'" />');
 1278:             }
 1279: 	    $r->print('</form>
 1280:                <br /><br /><form method="POST" action="'.$port_path.'">'.
 1281: 		      '<input type="hidden" name="group" value="'.$group.'" />'.
 1282: 		      '<input type="hidden" name="currentpath" value="'.$path.'" />'.
 1283: 		      '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'">');
 1284: 	}
 1285:     }
 1286:     
 1287:     $r->print('</form>');
 1288: 
 1289:     return;
 1290: }
 1291: 
 1292: sub store_portfolio_metadata {
 1293:     my ($formname,$content,$path,$new_fn) = @_;
 1294:     $env{'form.'.$formname}=$content."\n";
 1295:     $env{'form.'.$formname.'.filename'}=$new_fn;
 1296:     my $result =&Apache::lonnet::userfileupload($formname,'',$path);
 1297:     if ($result =~ /(error|notfound)/) {
 1298:         return '<p><font color="red">'.
 1299:                   &mt('Could not write metadata').', '.
 1300:                   &mt('FAIL').'</font></p>';
 1301:     } else {
 1302:         return '<p><font color="blue">'.&mt('Wrote Metadata').
 1303:                   ' '.&Apache::lonlocal::locallocaltime(time).'</font></p>';
 1304:     }
 1305: }
 1306: 
 1307: 1;
 1308: __END__
 1309: 

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