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Annotation of loncom/interface/lonmeta.pm, revision 1.7

1.1       www         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: #
1.7     ! www         9: # 10/19,10/21,10/23,11/27,08/09/01 Gerd Kortemeyer
1.1       www        10: 
                     11: package Apache::lonmeta;
                     12: 
                     13: use strict;
                     14: use Apache::Constants qw(:common);
1.3       www        15: use Apache::lonnet();
1.1       www        16: 
                     17: 
                     18: # ================================================================ Main Handler
                     19: 
                     20: sub handler {
                     21:   my $r=shift;
1.3       www        22:   my %content=();
1.1       www        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: 
1.3       www        33:   my $uri=$r->uri;
                     34:   map {
                     35:       $content{$_}=&Apache::lonnet::metadata($uri,$_);
                     36:   } split(/\,/,&Apache::lonnet::metadata($uri,'keys'));
1.1       www        37: 
1.6       albertel   38: # ------------------------------------------------------------------ Hide stuff
1.7     ! www        39: 
        !            40:   unless ($ENV{'user.adv'}) {
        !            41:       map {
        !            42:           $content{$_}='<i>- not displayed -</i>';
        !            43:       } ('keywords','notes','abstract','subject');
1.6       albertel   44:   }
                     45: 
1.1       www        46: # --------------------------------------------------------------- Render Output
1.2       www        47: 
                     48: my $creationdate=localtime($content{'creationdate'});
                     49: my $lastrevisiondate=localtime($content{'lastrevisiondate'});
1.1       www        50:   
                     51:   $r->print(<<ENDHEAD);
                     52: <html><head><title>Catalog Information</title></head>
                     53: <body bgcolor="#FFFFFF">
                     54: <h1>Catalog Information</h1>
                     55: <h2>$content{'title'}</h2>
                     56: <h3>Author(s): $content{'author'}</h3>
                     57: <b>Subject:</b> $content{'subject'}<br>
                     58: <b>Keyword(s):</b> $content{'keywords'}<br>
                     59: <b>Notes:</b> $content{'notes'}<br>
                     60: <b>Abstract:</b>
                     61: <blockquote>$content{'abstract'}</blockquote>
                     62: <hr>
                     63: <b>MIME Type:</b> $content{'mime'}<br>
                     64: <b>Language:</b> $content{'language'}<br>
1.2       www        65: <b>Creation Date:</b> $creationdate<br>
                     66: <b>Last Revision Date:</b> $lastrevisiondate<br>
1.1       www        67: <b>Publisher/Owner:</b> $content{'owner'}<br>
                     68: <b>Copyright/Distribution:</b> $content{'copyright'}
                     69: <hr>
                     70: ENDHEAD
                     71:   delete($content{'title'});
                     72:   delete($content{'author'});
                     73:   delete($content{'subject'});
                     74:   delete($content{'keywords'});
                     75:   delete($content{'notes'});
                     76:   delete($content{'abstract'});
                     77:   delete($content{'mime'});
                     78:   delete($content{'language'});
                     79:   delete($content{'creationdate'});
                     80:   delete($content{'lastrevisiondate'});
                     81:   delete($content{'owner'});
                     82:   delete($content{'copyright'});
1.7     ! www        83:   if ($ENV{'user.adv'}) {
        !            84:    map {
1.3       www        85:       my $name=$_;
                     86:       my $display=&Apache::lonnet::metadata($uri,$name.'.display');
1.5       www        87:       unless ($display) { $display=$name; };
                     88:       my $otherinfo='';
                     89:       map {
                     90:           if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) {
                     91:              $otherinfo.=' '.$_.'='.
                     92: 		 &Apache::lonnet::metadata($uri,$name.'.'.$_).'; ';
                     93:           }
                     94:       } ('name','part','type','default'); 
                     95:       $r->print('<b>'.$display.':</b> '.$content{$name});
                     96:       if ($otherinfo) {
                     97:          $r->print(' ('.$otherinfo.')');
                     98:       }
                     99:       $r->print("<br>\n");
1.7     ! www       100:    } sort keys %content;
        !           101:   }
1.1       www       102:   $r->print('</body></html>');
                    103:   return OK;
                    104: }
                    105: 
                    106: 1;
                    107: __END__
                    108: 
                    109: 
                    110: 
                    111: 
                    112: 
                    113: 
                    114: 
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