File:  [LON-CAPA] / loncom / interface / lonmeta.pm
Revision 1.53: download - view: text, annotated - select for diffs
Wed Dec 31 15:34:32 2003 UTC (20 years, 5 months ago) by www
Branches: MAIN
CVS tags: HEAD
Fix output of files
Make gradelevels and standards mainstream metadata

    1: # The LearningOnline Network with CAPA
    2: # Metadata display handler
    3: #
    4: # $Id: lonmeta.pm,v 1.53 2003/12/31 15:34:32 www 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 Apache::Constants qw(:common);
   33: use Apache::lonnet();
   34: use Apache::loncommon();
   35: use Apache::lonhtmlcommon();
   36: use Apache::lonmsg;
   37: use Apache::lonpublisher;
   38: use Apache::lonlocal;
   39: use Apache::lonmysql;
   40: use Apache::lonmsg;
   41: 
   42: # MySQL table columns
   43: 
   44: my @columns;
   45: 
   46: # ----------------------------------------- Fetch and evaluate dynamic metadata
   47: 
   48: sub dynamicmeta {
   49:     my $url=&Apache::lonnet::declutter(shift);
   50:     $url=~s/\.meta$//;
   51:     my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
   52:     my $regexp=$url;
   53:     $regexp=~s/(\W)/\\$1/g;
   54:     $regexp='___'.$regexp.'___';
   55:     my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
   56: 				       $aauthor,$regexp);
   57:     my %sum=();
   58:     my %cnt=();
   59:     my %concat=();
   60:     my %listitems=(
   61:                    'course'       => 'add',
   62:                    'goto'         => 'add',
   63:                    'comefrom'     => 'add',
   64:                    'avetries'     => 'avg',
   65:                    'stdno'        => 'add',
   66:                    'difficulty'   => 'avg',
   67:                    'clear'        => 'avg',
   68:                    'technical'    => 'avg',
   69:                    'helpful'      => 'avg',
   70:                    'correct'      => 'avg',
   71:                    'depth'        => 'avg',
   72:                    'comments'     => 'app',
   73:                    'usage'        => 'cnt'
   74:                    );
   75:     while ($_=each(%evaldata)) {
   76: 	my ($item,$purl,$cat)=split(/___/,$_);
   77: 	### Apache->request->print("\n".$_.' - '.$item.'<br />');
   78: 	if (defined($cnt{$cat})) { $cnt{$cat}++; } else { $cnt{$cat}=1; }
   79:         unless ($listitems{$cat} eq 'app') {
   80:             if (defined($sum{$cat})) {
   81:                $sum{$cat}+=$evaldata{$_};
   82:                $concat{$cat}.=','.$item;
   83: 	    } else {
   84:                $sum{$cat}=$evaldata{$_};
   85:                $concat{$cat}=$item;
   86: 	    }
   87:         } else {
   88:             if (defined($sum{$cat})) {
   89:                if ($evaldata{$_}) {
   90:                   $sum{$cat}.='<hr />'.$evaldata{$_};
   91: 	       }
   92:  	    } else {
   93: 	       $sum{$cat}=''.$evaldata{$_};
   94: 	    }
   95: 	}
   96:     }
   97:     my %returnhash=();
   98:     while ($_=each(%cnt)) {
   99:        if ($listitems{$_} eq 'avg') {
  100: 	   $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
  101:        } elsif ($listitems{$_} eq 'cnt') {
  102:            $returnhash{$_}=$cnt{$_};
  103:        } else {
  104:            $returnhash{$_}=$sum{$_};
  105:        }
  106:        $returnhash{$_.'_list'}=$concat{$_};
  107:        ### Apache->request->print("\n<hr />".$_.': '.$returnhash{$_}.'<br />'.$returnhash{$_.'_list'});
  108:     }
  109:     #
  110:     # Deal with 'count' separately
  111:     $returnhash{'count'} = &access_count($url,$aauthor,$adomain);
  112:     # since "usage" is reserved word in MySQL ...
  113:     $returnhash{'sequsage'}=$returnhash{'usage'};
  114:     $returnhash{'sequsage_list'}=$returnhash{'usage_list'};
  115: 
  116:     return %returnhash;
  117: }
  118: 
  119: sub access_count {
  120:     my ($src,$author,$adomain) = @_;
  121:     my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain,
  122:                                         $author,$src);
  123:     if (! exists($countdata{$src})) {
  124:         return &mt('Not Available');
  125:     } else {
  126:         return $countdata{$src};
  127:     }
  128: }
  129: 
  130: # ------------------------------------- Try to make an alt tag if there is none
  131: 
  132: sub alttag {
  133:     my ($base,$src)=@_;
  134:     my $fullpath=&Apache::lonnet::hreflocation($base,$src);
  135:     my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '.
  136:                &Apache::lonnet::metadata($fullpath,'subject').' '.
  137:                &Apache::lonnet::metadata($fullpath,'abstract');
  138:     $alttag=~s/\s+/ /gs;
  139:     $alttag=~s/\"//gs;
  140:     $alttag=~s/\'//gs;
  141:     $alttag=~s/\s+$//gs;
  142:     $alttag=~s/^\s+//gs;
  143:     if ($alttag) { return $alttag; } else 
  144:                  { return &mt('No information available'); }
  145: }
  146: 
  147: # -------------------------------------------------------------- Author display
  148: 
  149: sub authordisplay {
  150:     my ($aname,$adom)=@_;
  151:     return &Apache::loncommon::aboutmewrapper(
  152:                 &Apache::loncommon::plainname($aname,$adom),
  153:                     $aname,$adom,'preview').' <tt>['.$aname.'@'.$adom.']</tt>';
  154: }
  155: 
  156: # -------------------------------------------------------------- Pretty display
  157: 
  158: sub evalgraph {
  159:     my $value=shift;
  160:     unless ($value) { return ''; }
  161:     my $val=int($value*10.+0.5)-10;
  162:     my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
  163:     if ($val>=20) {
  164: 	$output.='<td width=20 bgcolor="#555555">&nbsp&nbsp;</td>';
  165:     } else {
  166:         $output.='<td width='.($val).' bgcolor="#555555">&nbsp;</td>'.
  167:                  '<td width='.(20-$val).' bgcolor="#FF3333">&nbsp;</td>';
  168:     }
  169:     $output.='<td bgcolor="#FFFF33">&nbsp;</td>';
  170:     if ($val>20) {
  171: 	$output.='<td width='.($val-20).' bgcolor="#33FF33">&nbsp;</td>'.
  172:                  '<td width='.(40-$val).' bgcolor="#555555">&nbsp;</td>';
  173:     } else {
  174:        $output.='<td width=20 bgcolor="#555555">&nbsp&nbsp;</td>';
  175:     }
  176:     $output.='<td> ('.$value.') </td></tr></table>';
  177:     return $output;
  178: }
  179: 
  180: sub diffgraph {
  181:     my $value=shift;
  182:     unless ($value) { return ''; }
  183:     my $val=int(40.0*$value+0.5);
  184:     my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
  185:                 '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
  186:     my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
  187:     for (my $i=0;$i<8;$i++) {
  188: 	if ($val>$i*5) {
  189:             $output.='<td width=5 bgcolor="'.$colors[$i].'">&nbsp;</td>';
  190:         } else {
  191: 	    $output.='<td width=5 bgcolor="#555555">&nbsp;</td>';
  192: 	}
  193:     }
  194:     $output.='<td> ('.$value.') </td></tr></table>';
  195:     return $output;
  196: }
  197: 
  198: # ==================================================== Turn MySQL row into hash
  199: 
  200: sub metadata_col_to_hash {
  201:     my @cols=@_;
  202:     my %hash=();
  203:     for (my $i=0; $i<=$#columns; $i++) {
  204: 	$hash{$columns[$i]}=$cols[$i];
  205:     }
  206:     return %hash;
  207: }
  208: 
  209: # ============================================================= The field names
  210: 
  211: sub fieldnames {
  212:     return &Apache::lonlocal::texthash(
  213: 				   'title' => 'Title',
  214: 				   'author' =>'Author(s)',
  215: 				   'subject' => 'Subject',
  216: 				   'keywords' => 'Keyword(s)',
  217: 				   'notes' => 'Notes',
  218: 				   'abstract' => 'Abstract',
  219:                                    'lowestgradelevel' => 'Lowest Grade Level',
  220:                                    'highestgradelevel' => 'Highest Grade Level',
  221:                                    'standards' => 'Standards',
  222: 				   'mime' => 'MIME Type',
  223: 				   'language' => 'Language',
  224: 				   'creationdate' => 'Creation Date',
  225: 				   'lastrevisiondate' => 'Last Revision Date',
  226: 				   'owner' => 'Publisher/Owner',
  227:                                    'copyright' => 'Copyright/Distribution',
  228: 				   'customdistributionfile' => 'Custom Distribution File',
  229:                                    'obsolete' => 'Obsolete',
  230: 				   'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
  231: 				   'count'      => 'Network-wide number of accesses (hits)',
  232: 				   'course'     => 'Network-wide number of courses using resource',
  233: 				   'course_list' => 'Network-wide courses using resource',
  234: 				   'sequsage'      => 'Number of resources using or importing resource',
  235: 				   'sequsage_list' => 'Resources using or importing resource',
  236: 				   'goto'       => 'Number of resources that follow this resource in maps',
  237: 				   'goto_list'  => 'Resources that follow this resource in maps',
  238: 				   'comefrom'   => 'Number of resources that lead up to this resource in maps',
  239: 				   'comefrom_list' => 'Resources that lead up to this resource in maps',
  240: 				   'clear'      => 'Material presented in clear way',
  241: 				   'depth'      => 'Material covered with sufficient depth',
  242: 				   'helpful'    => 'Material is helpful',
  243: 				   'correct'    => 'Material appears to be correct',
  244: 				   'technical'  => 'Resource is technically correct', 
  245: 				   'avetries'   => 'Average number of tries till solved',
  246: 				   'stdno'      => 'Total number of students who have worked on this problem',
  247: 				   'difficulty' => 'Degree of difficulty'
  248: 				       );
  249: }
  250: 
  251: # =========================================== Pretty printing of metadata field
  252: 
  253: sub prettyprint {
  254:     my ($type,$value)=@_;
  255:     unless (defined($value)) { return '&nbsp;'; }
  256: # Title
  257:     if ($type eq 'title') {
  258: 	return '<font size="+1" face="arial">'.$value.'</font>';
  259:     }
  260: # Dates
  261:     if (($type eq 'creationdate') ||
  262: 	($type eq 'lastrevisiondate')) {
  263: 	return &Apache::lonlocal::locallocaltime(
  264: 			  &Apache::lonmysql::unsqltime($value));
  265:     }
  266: # Language
  267:     if ($type eq 'language') {
  268: 	return &Apache::loncommon::languagedescription($value);
  269:     }
  270: # Copyright
  271:     if ($type eq 'copyright') {
  272: 	return &Apache::loncommon::copyrightdescription($value);
  273:     }
  274: # MIME
  275:     if ($type eq 'mime') {
  276:        return '<img src="'.&Apache::loncommon::icon($value).'" />&nbsp;'.
  277: 	   &Apache::loncommon::filedescription($value);
  278:    }
  279: # Person
  280:     if (($type eq 'author') || 
  281: 	($type eq 'owner') ||
  282: 	($type eq 'modifyinguser') ||
  283: 	($type eq 'authorspace')) {
  284: 	$value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
  285: 	return $value;
  286:     }
  287: # Gradelevel
  288:     if (($type eq 'lowestgradelevel') ||
  289: 	($type eq 'highestgradelevel')) {
  290: 	return &Apache::loncommon::gradeleveldescription($value);
  291:     }
  292: # Only for advance users below
  293:     unless ($ENV{'user.adv'}) { return '<i>- '.&mt('not displayed').' -</i>' };
  294: # File
  295:     if (($type eq 'customdistributionfile') ||
  296: 	($type eq 'obsoletereplacement') ||
  297: 	($type eq 'goto_list') ||
  298: 	($type eq 'comefrom_list') ||
  299: 	($type eq 'sequsage_list')) {
  300: 	return join('<br />',map {
  301: 	       my $url=&Apache::lonnet::clutter($_);
  302: 	       '<br /><b>'.&Apache::lonnet::gettitle($url).'</b>'.
  303: 	       &Apache::lonhtmlcommon::crumbs($url,'preview','');
  304: 	    } split(/\s*\,\s*/,$value));
  305:     }
  306: # Evaluations
  307:     if (($type eq 'clear') ||
  308: 	($type eq 'depth') ||
  309: 	($type eq 'helpful') ||
  310: 	($type eq 'correct') ||
  311: 	($type eq 'technical')) {
  312: 	return &evalgraph($value);
  313:     }
  314: # Difficulty
  315:     if ($type eq 'difficulty') {
  316: 	return &diffgraph($value);
  317:     }
  318: # List of courses
  319:     if ($type=~/\_list/) {
  320: 	return join('<br />',map {
  321: 	    my %courseinfo=&Apache::lonnet::coursedescription($_);  
  322: 	    '<a href="/public/'.
  323: 		$courseinfo{'domain'}.'/'.$courseinfo{'num'}.'/syllabus" target="preview">'.
  324: 		$courseinfo{'description'}.'</a>';
  325: 	} split(/\s*\,\s*/,$value));
  326:     }
  327: # No pretty print found
  328:     return $value;
  329: }
  330: # ============================================== Pretty input of metadata field
  331: 
  332: sub selectbox {
  333:     my ($name,$value,$functionref,@idlist)=@_;
  334:     my $selout='<select name="'.$name.'">';
  335:     foreach (@idlist) {
  336:         $selout.='<option value=\''.$_.'\'';
  337:         if ($_ eq $value) {
  338: 	    $selout.=' selected>'.&{$functionref}($_).'</option>';
  339: 	}
  340:         else {$selout.='>'.&{$functionref}($_).'</option>';}
  341:     }
  342:     return $selout.'</select>';
  343: }
  344: 
  345: 
  346: sub prettyinput {
  347:     my ($type,$value,$fieldname,$formname)=@_;
  348: # Language
  349:     if ($type eq 'language') {
  350: 	return &selectbox($fieldname,
  351: 			  $value,
  352: 			  \&Apache::loncommon::languagedescription,
  353: 			  (&Apache::loncommon::languageids));
  354:     }
  355: # Copyright
  356:     if ($type eq 'copyright') {
  357: 	return &selectbox($fieldname,
  358: 			  $value,
  359: 			  \&Apache::loncommon::copyrightdescription,
  360: 			  (&Apache::loncommon::copyrightids));
  361:     }
  362: # Gradelevels
  363:     if (($type eq 'lowestgradelevel') ||
  364: 	($type eq 'highestgradelevel')) {
  365: 	return &Apache::loncommon::select_level_form($value,$fieldname);
  366:     }
  367: # Obsolete
  368:     if ($type eq 'obsolete') {
  369: 	return '<input type="checkbox" name="'.$fieldname.'"'.
  370: 	    ($value?' checked="1"':'').' />'; 
  371:     }
  372: # Obsolete replacement file
  373:     if ($type eq 'obsoletereplacement') {
  374: 	return '<input type="text" name="'.$fieldname.
  375: 	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
  376: 	    "('".$formname."','".$fieldname."'".
  377: 	    ",'')\">".&mt('Select').'</a>'; 
  378:    }
  379: # Customdistribution file
  380:     if ($type eq 'customdistributionfile') {
  381: 	return '<input type="text" name="'.$fieldname.
  382: 	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
  383: 	    "('".$formname."','".$fieldname."'".
  384: 	    ",'rights')\">".&mt('Select').'</a>'; 
  385:     }
  386: # Dates
  387:     if (($type eq 'creationdate') ||
  388: 	($type eq 'lastrevisiondate')) {
  389: 	return &Apache::lonhtmlcommon::date_setter($formname,
  390: 						   $fieldname,$value);
  391:     }
  392: # No pretty input found
  393:     $value=~s/^\s+//gs;
  394:     $value=~s/\s+$//gs;
  395:     $value=~s/\s+/ /gs;
  396:     $value=~s/\"/\&quod\;/gs;
  397:     return '<input type="text" name="'.$fieldname.'" size="80" value="'.$value.'" />'; 
  398: }
  399: 
  400: # ================================================================ Main Handler
  401: 
  402: sub handler {
  403:   my $r=shift;
  404: 
  405:     my $loaderror=&Apache::lonnet::overloaderror($r);
  406:     if ($loaderror) { return $loaderror; }
  407: 
  408: 
  409:     my $uri=$r->uri;
  410: 
  411:   unless ($uri=~/^\/\~/) { 
  412: # =========================================== This is not in construction space
  413:     my ($resdomain,$resuser)=
  414:            (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
  415: 
  416:     $loaderror=
  417:        &Apache::lonnet::overloaderror($r,
  418:          &Apache::lonnet::homeserver($resuser,$resdomain));
  419:     if ($loaderror) { return $loaderror; }
  420: 
  421:   my %content=();
  422: 
  423: # ----------------------------------------------------------- Set document type
  424: 
  425:   &Apache::loncommon::content_type($r,'text/html');
  426:   $r->send_http_header;
  427: 
  428:   return OK if $r->header_only;
  429: 
  430: # ------------------------------------------------------------------- Read file
  431:   foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
  432:       $content{$_}=&Apache::lonnet::metadata($uri,$_);
  433:   }
  434: # --------------------------------------------------------------- Render Output
  435: # displayed url
  436:     my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
  437:     $uri=~s/\.meta$//;
  438:     my $disuri=&Apache::lonnet::clutter($uri);
  439: # version
  440:     my $currentversion=&Apache::lonnet::getversion($disuri);
  441:     my $versiondisplay='';
  442:     if ($thisversion) {
  443: 	$versiondisplay=&mt('Version').': '.$thisversion.
  444: 	    ' ('.&mt('most recent version').': '.
  445: 	    ($currentversion>0?$currentversion:&mt('information not available')).')';
  446:     } else {
  447: 	$versiondisplay='Version: '.$currentversion;
  448:     }
  449: # crumbify displayed URL
  450:     $disuri=&Apache::lonhtmlcommon::crumbs($disuri);
  451: # obsolete
  452:     my $obsolete=$content{'obsolete'};
  453:     my $obsoletewarning='';
  454:     if (($obsolete) && ($ENV{'user.adv'})) {
  455: 	$obsoletewarning='<p><font color="red">'.
  456: 	    &mt('This resource has been marked obsolete by the author(s)').'</font></p>';
  457:     }
  458: 
  459:     my %lt=&fieldnames();
  460:     my $table='';
  461:     my $bodytag=&Apache::loncommon::bodytag
  462:             ('Catalog Information','','','',$resdomain);
  463:     foreach ('title', 
  464: 	     'author', 
  465: 	     'subject', 
  466: 	     'keywords', 
  467: 	     'notes', 
  468: 	     'abstract',
  469: 	     'lowestgradelevel',
  470: 	     'highestgradelevel',
  471: 	     'standards', 
  472: 	     'mime', 
  473: 	     'language', 
  474: 	     'creationdate', 
  475: 	     'lastrevisiondate', 
  476: 	     'owner', 
  477: 	     'copyright', 
  478: 	     'customdistributionfile', 
  479: 	     'obsolete', 
  480: 	     'obsoletereplacement') {
  481: 	$table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
  482: 	        '</td><td bgcolor="#CCCCCC">'.
  483:                 &prettyprint($_,$content{$_}).'</td></tr>';
  484: 	delete $content{$_};
  485:     }
  486: 
  487:   $r->print(<<ENDHEAD);
  488: <html><head><title>Catalog Information</title></head>
  489: $bodytag
  490: <h2>$content{'title'}</h2>
  491: <h3><tt>$disuri</tt></h3>
  492: $obsoletewarning
  493: $versiondisplay<br />
  494: <table cellspacing=2 border=0>
  495: $table
  496: </table>
  497: ENDHEAD
  498:   if ($ENV{'user.adv'}) {
  499: # ------------------------------------------------------------ Dynamic Metadata
  500:       $r->print(
  501: 		'<h3>'.&mt('Dynamic Metadata').' ('.
  502: 		&mt('updated periodically').')</h3>'.&mt('Processing').
  503: 		' ...<br />');
  504:       $r->rflush();
  505:       my %items=&fieldnames();
  506:       my %dynmeta=&dynamicmeta($uri);
  507: # General Access and Usage Statistics
  508:       $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4><table cellspacing=2 border=0>');
  509:       foreach ('count',
  510: 	       'sequsage','sequsage_list',
  511: 	       'comefrom','comefrom_list',
  512: 	       'goto','goto_list',
  513: 	       'course','course_list') {
  514: 	  $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
  515: 		    &prettyprint($dynmeta{$_})."</td></tr>\n");
  516:       }
  517:       $r->print('</table>');
  518:       if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) {
  519: # This is an assessment, print assessment data
  520: 	  $r->print(
  521: 		    '<h4>'.&mt('Assessment Statistical Data').'</h4><table cellspacing=2 border=0>');
  522: 	  foreach ('stdno','avetries','difficulty') {
  523: 	      $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
  524: 			&prettyprint($dynmeta{$_})."</td></tr>\n");
  525: 	  }
  526: 	  $r->print('</table>');    
  527:       }
  528:       $r->print('<h4>'.&mt('Evaluation Data').'</h4><table cellspacing=2 border=0>');
  529:       foreach ('clear','depth','helpful','correct','technical') {
  530: 	  $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td><td bgcolor="#CCCCCC">'.
  531: 		    &prettyprint($dynmeta{$_})."</td></tr>\n");
  532:      }    
  533:       $r->print('</table>');
  534:       $uri=~/^\/res\/(\w+)\/(\w+)\//; 
  535:       if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
  536: 	  || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
  537: 	  $r->print('<h4>'.&mt('Evaluation Comments').' ('.
  538: 		    &mt('visible to author and co-authors only').')</h4>'.
  539: 		    '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
  540: 	  $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
  541: 		    &mt('visible to author and co-authors only').')</h4>'.
  542: 		    &Apache::lonmsg::retrieve_author_res_msg($uri));
  543:       }
  544: # ------------------------------------------------------------- All other stuff
  545:       $r->print(
  546: 		'<h3>'.&mt('Additional Metadata (non-standard, parameters, exports)').'</h3>');
  547:       foreach (sort keys %content) {
  548: 	  my $name=$_;
  549: 	  unless ($name=~/\.display$/) {
  550: 	      my $display=&Apache::lonnet::metadata($uri,$name.'.display');
  551: 	      unless ($display) { $display=$name; };
  552: 	      my $otherinfo='';
  553: 	      foreach ('name','part','type','default') {
  554: 		  if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
  555: 		      $otherinfo.=' '.$_.'='.
  556: 			  &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
  557: 		  }
  558: 	      }
  559: 	      $r->print('<b>'.$display.':</b> '.$content{$name});
  560: 	      if ($otherinfo) {
  561: 		  $r->print(' ('.$otherinfo.')');
  562: 	      }
  563: 	      $r->print("<br />\n");
  564: 	  }
  565:       }
  566:   }
  567: # ===================================================== End Resource Space Call
  568:  } else {
  569: # ===================================================== Construction Space Call
  570: 
  571: # ----------------------------------------------------------- Set document type
  572: 
  573:   &Apache::loncommon::content_type($r,'text/html');
  574:   $r->send_http_header;
  575: 
  576:   return OK if $r->header_only;
  577: # ---------------------------------------------------------------------- Header
  578:   my $disuri=$uri;
  579:   my $fn=&Apache::lonnet::filelocation('',$uri);
  580:   $disuri=~s/^\/\~/\/priv\//;
  581:   $disuri=~s/\.meta$//;
  582:   my $target=$uri;
  583:   $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
  584:   $target=~s/\.meta$//;
  585:   my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
  586:   if ($bombs) {
  587:       if ($ENV{'form.delmsg'}) {
  588: 	  if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
  589: 	      $bombs=&mt('Messages deleted.');
  590: 	  } else {
  591: 	      $bombs=&mt('Error deleting messages');
  592: 	  }
  593:       }
  594:       my $bodytag=&Apache::loncommon::bodytag('Error Messages');
  595:       my $del=&mt('Delete Messages');
  596:       $r->print(<<ENDBOMBS);
  597: <html><head><title>Edit Catalog Information</title></head>
  598: $bodytag
  599: <h1>$disuri</h1>
  600: <form method="post" name="defaultmeta">
  601: <input type="submit" name="delmsg" value="$del" />
  602: <br />$bombs
  603: </form>
  604: </body>
  605: </html>
  606: ENDBOMBS
  607:   } else {
  608:       my $displayfile='Catalog Information for '.$disuri;
  609:       if ($disuri=~/\/default$/) {
  610: 	  my $dir=$disuri;
  611: 	  $dir=~s/default$//;
  612: 	  $displayfile=&mt('Default Cataloging Information for Directory').' '.
  613: 	      $dir;
  614:       }
  615:       my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information');
  616:       %Apache::lonpublisher::metadatafields=();
  617:       %Apache::lonpublisher::metadatakeys=();
  618:       &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
  619:       $r->print(<<ENDEDIT);
  620: <html><head><title>Edit Catalog Information</title></head>
  621: $bodytag
  622: <h1>$displayfile</h1>
  623: <form method="post" name="defaultmeta">
  624: ENDEDIT
  625:       $r->print('<script language="JavaScript">'.
  626: 		&Apache::loncommon::browser_and_searcher_javascript.
  627: 		'</script>');
  628:       my %lt=&fieldnames();
  629:       foreach ('author','title','subject','keywords','abstract','notes',
  630: 	       'copyright','customdistributionfile','language','standards',
  631: 	       'lowestgradelevel','highestgradelevel',
  632: 	       'obsolete','obsoletereplacement') {
  633: 	  $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_};
  634: 	  unless ($Apache::lonpublisher::metadatafields{'copyright'}) {
  635: 	      $Apache::lonpublisher::metadatafields{'copyright'}='default';
  636: 	  }
  637: 	  $r->print('<p>'.$lt{$_}.': '.&prettyinput($_,
  638: 						    $Apache::lonpublisher::metadatafields{$_},
  639: 						    'new_'.$_,'defaultmeta').'</p>');
  640:       }
  641:       if ($ENV{'form.store'}) {
  642: 	  my $mfh;
  643: 	  unless ($mfh=Apache::File->new('>'.$fn)) {
  644: 	      $r->print(
  645: 			'<p><font color=red>'.&mt('Could not write metadata').', '.
  646: 			&mt('FAIL').'</font>');
  647: 	  } else {
  648: 	      foreach (sort keys %Apache::lonpublisher::metadatafields) {
  649: 		  unless ($_=~/\./) {
  650: 		      my $unikey=$_;
  651: 		      $unikey=~/^([A-Za-z]+)/;
  652: 		      my $tag=$1;
  653: 		      $tag=~tr/A-Z/a-z/;
  654: 		      print $mfh "\n\<$tag";
  655: 		      foreach 
  656: 			  (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) {
  657: 			      my $value=
  658: 				  $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
  659: 			      $value=~s/\"/\'\'/g;
  660: 			      print $mfh ' '.$_.'="'.$value.'"';
  661: 			  }
  662: 		      print $mfh '>'.
  663: 			  &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey})
  664: 			  .'</'.$tag.'>';
  665: 		  }
  666: 	      }
  667: 	      $r->print('<p>'.&mt('Wrote Metadata'));
  668: 	  }
  669:       }
  670:       $r->print(
  671: 		'<br /><input type="submit" name="store" value="'.
  672: 		&mt('Store Catalog Information').'"></form></body></html>');
  673:   }
  674:     return OK;
  675:  }
  676: }
  677: 
  678: # ================================================================= BEGIN Block
  679: BEGIN {
  680: # Get columns of MySQL metadata table
  681:     @columns=&Apache::lonmysql::col_order('metadata');
  682: }
  683: 1;
  684: __END__
  685: 
  686: 
  687: 
  688: 
  689: 
  690: 
  691: 

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