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File:  [LON-CAPA] / loncom / interface / lonmeta.pm
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Mon Nov 27 23:10:59 2000 UTC (23 years, 7 months ago) by www
Branches: MAIN
CVS tags: HEAD
Bugfix

    1: # The LearningOnline Network with CAPA
    2: #
    3: # Metadata display handler
    4: #
    5: # (TeX Content Handler
    6: #
    7: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
    8: #
    9: # 10/19,10/21,10/23,11/27 Gerd Kortemeyer
   10: 
   11: package Apache::lonmeta;
   12: 
   13: use strict;
   14: use Apache::Constants qw(:common);
   15: use Apache::lonnet();
   16: 
   17: 
   18: # ================================================================ Main Handler
   19: 
   20: sub handler {
   21:   my $r=shift;
   22:   my %content=();
   23: 
   24: # ----------------------------------------------------------- Set document type
   25: 
   26:   $r->content_type('text/html');
   27:   $r->send_http_header;
   28: 
   29:   return OK if $r->header_only;
   30: 
   31: # ------------------------------------------------------------------- Read file
   32: 
   33:   my $uri=$r->uri;
   34:   map {
   35:       $content{$_}=&Apache::lonnet::metadata($uri,$_);
   36:   } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
   37: 
   38: # --------------------------------------------------------------- Render Output
   39: 
   40: my $creationdate=localtime($content{'creationdate'});
   41: my $lastrevisiondate=localtime($content{'lastrevisiondate'});
   42:   
   43:   $r->print(<<ENDHEAD);
   44: <html><head><title>Catalog Information</title></head>
   45: <body bgcolor="#FFFFFF">
   46: <h1>Catalog Information</h1>
   47: <h2>$content{'title'}</h2>
   48: <h3>Author(s): $content{'author'}</h3>
   49: <b>Subject:</b> $content{'subject'}<br>
   50: <b>Keyword(s):</b> $content{'keywords'}<br>
   51: <b>Notes:</b> $content{'notes'}<br>
   52: <b>Abstract:</b>
   53: <blockquote>$content{'abstract'}</blockquote>
   54: <hr>
   55: <b>MIME Type:</b> $content{'mime'}<br>
   56: <b>Language:</b> $content{'language'}<br>
   57: <b>Creation Date:</b> $creationdate<br>
   58: <b>Last Revision Date:</b> $lastrevisiondate<br>
   59: <b>Publisher/Owner:</b> $content{'owner'}<br>
   60: <b>Copyright/Distribution:</b> $content{'copyright'}
   61: <hr>
   62: ENDHEAD
   63:   delete($content{'title'});
   64:   delete($content{'author'});
   65:   delete($content{'subject'});
   66:   delete($content{'keywords'});
   67:   delete($content{'notes'});
   68:   delete($content{'abstract'});
   69:   delete($content{'mime'});
   70:   delete($content{'language'});
   71:   delete($content{'creationdate'});
   72:   delete($content{'lastrevisiondate'});
   73:   delete($content{'owner'});
   74:   delete($content{'copyright'});
   75:   map {
   76:       my $name=$_;
   77:       my $display=&Apache::lonnet::metadata($uri,$name.'.display');
   78:       unless ($display) { $display=$name; }; 
   79:       $r->print('<b>'.$display.':</b> '.$content{$name}.'<br>');
   80:   } sort keys %content;
   81:   $r->print('</body></html>');
   82:   return OK;
   83: }
   84: 
   85: 1;
   86: __END__
   87: 
   88: 
   89: 
   90: 
   91: 
   92: 
   93:
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