version 1.1, 2000/10/21 10:46:35
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version 1.8, 2001/12/19 17:17:46
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
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# Metadata display handler |
# Metadata display handler |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# (TeX Content Handler |
# (TeX Content Handler |
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# |
# 05/29/00,05/30,10/11 Gerd Kortemeyer) |
# 05/29/00,05/30,10/11 Gerd Kortemeyer) |
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# |
# 10/19,10/21 Gerd Kortemeyer |
# 10/19,10/21,10/23,11/27,08/09/01 Gerd Kortemeyer |
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package Apache::lonmeta; |
package Apache::lonmeta; |
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use strict; |
use strict; |
use Apache::File; |
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use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use HTML::TokeParser; |
use Apache::lonnet(); |
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# ================================================= Unpack metadata into a hash |
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sub unpackagemeta { |
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my ($datastring,$fordisplay)=@_; |
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my %content=(); |
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my $parser=HTML::TokeParser->new(\$datastring); |
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my $token; |
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while ($token=$parser->get_token) { |
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if ($token->[0] eq 'S') { |
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my $entry=$token->[1]; |
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my $value=$parser->get_text('/'.$entry); |
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if (($token->[2]->{'display'}) && ($fordisplay)) { |
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$value.='__dis__'.$token->[2]->{'display'}; |
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} |
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$content{$entry}=$value; |
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} |
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} |
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return %content; |
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} |
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# ================================================================ Main Handler |
# ================================================================ Main Handler |
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sub handler { |
sub handler { |
my $r=shift; |
my $r=shift; |
my @metacontents; |
my %content=(); |
my %content; |
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# ----------------------------------------------------------- Set document type |
# ----------------------------------------------------------- Set document type |
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Line 52 sub handler {
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Line 53 sub handler {
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# ------------------------------------------------------------------- Read file |
# ------------------------------------------------------------------- Read file |
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{ |
my $uri=$r->uri; |
my $fh=Apache::File->new($r->filename); |
map { |
@metacontents=<$fh>; |
$content{$_}=&Apache::lonnet::metadata($uri,$_); |
} |
} split(/\,/,&Apache::lonnet::metadata($uri,'keys')); |
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%content=&unpackagemeta(join("\n",@metacontents),1); |
# ------------------------------------------------------------------ Hide stuff |
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unless ($ENV{'user.adv'}) { |
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map { |
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$content{$_}='<i>- not displayed -</i>'; |
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} ('keywords','notes','abstract','subject'); |
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} |
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# --------------------------------------------------------------- Render Output |
# --------------------------------------------------------------- Render Output |
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my $creationdate=localtime($content{'creationdate'}); |
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my $lastrevisiondate=localtime($content{'lastrevisiondate'}); |
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$r->print(<<ENDHEAD); |
$r->print(<<ENDHEAD); |
<html><head><title>Catalog Information</title></head> |
<html><head><title>Catalog Information</title></head> |
Line 75 sub handler {
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Line 85 sub handler {
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<hr> |
<hr> |
<b>MIME Type:</b> $content{'mime'}<br> |
<b>MIME Type:</b> $content{'mime'}<br> |
<b>Language:</b> $content{'language'}<br> |
<b>Language:</b> $content{'language'}<br> |
<b>Creation Date:</b> $content{'creationdate'}<br> |
<b>Creation Date:</b> $creationdate<br> |
<b>Last Revision Date:</b> $content{'lastrevisiondate'}<br> |
<b>Last Revision Date:</b> $lastrevisiondate<br> |
<b>Publisher/Owner:</b> $content{'owner'}<br> |
<b>Publisher/Owner:</b> $content{'owner'}<br> |
<b>Copyright/Distribution:</b> $content{'copyright'} |
<b>Copyright/Distribution:</b> $content{'copyright'} |
<hr> |
<hr> |
Line 93 ENDHEAD
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Line 103 ENDHEAD
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delete($content{'lastrevisiondate'}); |
delete($content{'lastrevisiondate'}); |
delete($content{'owner'}); |
delete($content{'owner'}); |
delete($content{'copyright'}); |
delete($content{'copyright'}); |
map { |
if ($ENV{'user.adv'}) { |
my ($value,$name)=split(/\_\_dis\_\_/,$content{$_}); |
map { |
unless ($name) { $name=$_; } |
my $name=$_; |
$r->print('<b>'.$name.':</b> '.$value.'<br>'); |
my $display=&Apache::lonnet::metadata($uri,$name.'.display'); |
} sort keys %content; |
unless ($display) { $display=$name; }; |
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my $otherinfo=''; |
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map { |
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if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) { |
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$otherinfo.=' '.$_.'='. |
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&Apache::lonnet::metadata($uri,$name.'.'.$_).'; '; |
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} |
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} ('name','part','type','default'); |
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$r->print('<b>'.$display.':</b> '.$content{$name}); |
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if ($otherinfo) { |
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$r->print(' ('.$otherinfo.')'); |
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} |
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$r->print("<br>\n"); |
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} sort keys %content; |
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} |
$r->print('</body></html>'); |
$r->print('</body></html>'); |
return OK; |
return OK; |
} |
} |