--- loncom/interface/lonmeta.pm 2001/12/24 21:09:08 1.11 +++ loncom/interface/lonmeta.pm 2003/03/14 19:29:36 1.28 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.11 2001/12/24 21:09:08 www Exp $ +# $Id: lonmeta.pm,v 1.28 2003/03/14 19:29:36 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,7 +29,7 @@ # # 05/29/00,05/30,10/11 Gerd Kortemeyer) # -# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24 Gerd Kortemeyer +# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24,12/25 Gerd Kortemeyer package Apache::lonmeta; @@ -37,6 +37,8 @@ use strict; use Apache::Constants qw(:common); use Apache::lonnet(); use Apache::loncommon(); +use Apache::lonmsg; +use Apache::lonpublisher; # ----------------------------------------- Fetch and evaluate dynamic metadata @@ -44,11 +46,11 @@ sub dynamicmeta { my $url=&Apache::lonnet::declutter(shift); $url=~s/\.meta$//; my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); - my $regexp=&Apache::lonnet::escape($url); + my $regexp=$url; $regexp=~s/(\W)/\\$1/g; $regexp='___'.$regexp.'___'; - my %evaldata=&Apache::lonnet::dump - ('resevaldata',$adomain,$aauthor,$regexp); + my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain, + $aauthor,$regexp); my %sum; my %cnt; my %listitems=('count' => 'add', @@ -96,10 +98,86 @@ sub dynamicmeta { return %returnhash; } +# ------------------------------------- Try to make an alt tag if there is none + +sub alttag { + my ($base,$src)=@_; + my $fullpath=&Apache::lonnet::hreflocation($base,$src); + my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '. + &Apache::lonnet::metadata($fullpath,'subject').' '. + &Apache::lonnet::metadata($fullpath,'abstract'); + $alttag=~s/\s+/ /gs; + $alttag=~s/\"//gs; + $alttag=~s/\'//gs; + $alttag=~s/\s+$//gs; + $alttag=~s/^\s+//gs; + if ($alttag) { return $alttag; } else + { return 'No information available'; } +} + +# -------------------------------------------------------------- Pretty display + +sub evalgraph { + my $value=shift; + unless ($value) { return ''; } + my $val=int($value*10.+0.5)-10; + my $output=''; + if ($val>=20) { + $output.=''; + } else { + $output.=''. + ''; + } + $output.=''; + if ($val>20) { + $output.=''. + ''; + } else { + $output.=''; + } + $output.='
          ('.$value.')
'; + return $output; +} + +sub diffgraph { + my $value=shift; + unless ($value) { return ''; } + my $val=int(40.0*$value+0.5); + my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33', + '#BBDD33','#CCCC33','#DDBB33','#EEAA33'); + my $output=''; + for (my $i=0;$i<8;$i++) { + if ($val>$i*5) { + $output.=''; + } else { + $output.=''; + } + } + $output.='
   ('.$value.')
'; + return $output; +} + # ================================================================ Main Handler sub handler { my $r=shift; + + my $loaderror=&Apache::lonnet::overloaderror($r); + if ($loaderror) { return $loaderror; } + + + my $uri=$r->uri; + + unless ($uri=~/^\/\~/) { +# =========================================== This is not in construction space + my ($resdomain,$resuser)= + (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//); + + $loaderror= + &Apache::lonnet::overloaderror($r, + &Apache::lonnet::homeserver($resuser,$resdomain)); + if ($loaderror) { return $loaderror; } + my %content=(); # ----------------------------------------------------------- Set document type @@ -110,34 +188,43 @@ sub handler { return OK if $r->header_only; # ------------------------------------------------------------------- Read file - - my $uri=$r->uri; - map { + foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { $content{$_}=&Apache::lonnet::metadata($uri,$_); - } split(/\,/,&Apache::lonnet::metadata($uri,'keys')); - + } # ------------------------------------------------------------------ Hide stuff unless ($ENV{'user.adv'}) { - map { + foreach ('keywords','notes','abstract','subject') { $content{$_}='- not displayed -'; - } ('keywords','notes','abstract','subject'); + } } # --------------------------------------------------------------- Render Output - -my $creationdate=localtime($content{'creationdate'}); -my $lastrevisiondate=localtime($content{'lastrevisiondate'}); + my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/); +my $creationdate=localtime( + &Apache::loncommon::unsqltime($content{'creationdate'})); +my $lastrevisiondate=localtime( + &Apache::loncommon::unsqltime($content{'lastrevisiondate'})); my $language=&Apache::loncommon::languagedescription($content{'language'}); my $mime=&Apache::loncommon::filedescription($content{'mime'}); my $disuri=&Apache::lonnet::declutter($uri); $disuri=~s/\.meta$//; +my $currentversion=&Apache::lonnet::getversion($disuri); +my $versiondisplay=''; +if ($thisversion) { + $versiondisplay='Version: '.$thisversion. + ' (most recent version: '.$currentversion.')'; +} else { + $versiondisplay='Version: '.$currentversion; +} +my $bodytag=&Apache::loncommon::bodytag + ('Catalog Information','','','',$resdomain); $r->print(<Catalog Information - -

Catalog Information

+$bodytag

$content{'title'}

$disuri

+$versiondisplay
@@ -177,7 +264,9 @@ ENDHEAD delete($content{'copyright'}); if ($ENV{'user.adv'}) { # ------------------------------------------------------------ Dynamic Metadata - $r->print('

Dynamic Metadata (updated periodically)

'); + $r->print( + '

Dynamic Metadata (updated periodically)

Processing ...
'); + $r->rflush(); my %items=( 'count' => 'Network-wide number of accesses (hits)', 'course' => 'Network-wide number of courses using resource', @@ -202,18 +291,23 @@ $dynmeta{$_}." \n"); if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) { $r->print( '

Assessment Statistical Data

Author(s) $content{'author'} 
'); - foreach ('stdno','avetries','difficulty') { + foreach ('stdno','avetries') { $r->print( '\n"); } + foreach ('difficulty') { + $r->print( +'\n"); + } $r->print('
'.$items{$_}.''. $dynmeta{$_}." 
'.$items{$_}.''. +&diffgraph($dynmeta{$_})."
'); } $r->print('

Evaluation Data

'); foreach ('clear','depth','helpful','correct','technical') { $r->print( '\n"); +&evalgraph($dynmeta{$_})."\n"); } $r->print('
'.$items{$_}.''. -$dynmeta{$_}." 
'); $disuri=~/^(\w+)\/(\w+)\//; @@ -221,7 +315,17 @@ $dynmeta{$_}." \n"); || ($ENV{'user.role.ca./'.$1.'/'.$2})) { $r->print( '

Evaluation Comments (visible to author and co-authors only)

'. - '
'.$dynmeta{'comments'}.'
'); + '
'.$dynmeta{'comments'}.'
'); + $r->print( + '

Error Messages (visible to author and co-authors only)

'); + my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$1,$2); + foreach (keys %errormsgs) { + if ($_=~/^\Q$disuri\E\_\d+$/) { + my %content=&Apache::lonmsg::unpackagemsg($errormsgs{$_}); + $r->print(''.$content{'time'}.': '.$content{'message'}. + '
'); + } + } } # ------------------------------------------------------------- All other stuff $r->print( @@ -231,12 +335,12 @@ $dynmeta{$_}." \n"); my $display=&Apache::lonnet::metadata($uri,$name.'.display'); unless ($display) { $display=$name; }; my $otherinfo=''; - map { + foreach ('name','part','type','default') { if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) { $otherinfo.=' '.$_.'='. &Apache::lonnet::metadata($uri,$name.'.'.$_).'; '; } - } ('name','part','type','default'); + } $r->print(''.$display.': '.$content{$name}); if ($otherinfo) { $r->print(' ('.$otherinfo.')'); @@ -244,8 +348,78 @@ $dynmeta{$_}." \n"); $r->print("
\n"); } } - $r->print(''); - return OK; +# ===================================================== End Resource Space Call + } else { +# ===================================================== Construction Space Call + +# ----------------------------------------------------------- Set document type + + $r->content_type('text/html'); + $r->send_http_header; + + return OK if $r->header_only; +# ---------------------------------------------------------------------- Header + my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information'); + my $disuri=$uri; + my $fn=&Apache::lonnet::filelocation('',$uri); + $disuri=~s/^\/\~\w+//; + $disuri=~s/\.meta$//; + my $displayfile='Catalog Information for '.$disuri; + if ($disuri=~/\/default$/) { + my $dir=$disuri; + $dir=~s/default$//; + $displayfile='Default Cataloging Information for Directory '.$dir; + } + %Apache::lonpublisher::metadatafields=(); + %Apache::lonpublisher::metadatakeys=(); + &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn)); + $r->print(<Edit Catalog Information +$bodytag +

$displayfile

+
+ENDEDIT + foreach ('author','title','subject','keywords','abstract','notes', + 'copyright','customdistributionfile','language') { + if ($ENV{'form.new_'.$_}) { + $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_}; + } + $r->print( + &Apache::lonpublisher::textfield($_,'new_'.$_, + $Apache::lonpublisher::metadatafields{$_})); + } + if ($ENV{'form.store'}) { + my $mfh; + unless ($mfh=Apache::File->new('>'.$fn)) { + $r->print( + '

Could not write metadata, FAIL'); + } else { + foreach (sort keys %Apache::lonpublisher::metadatafields) { + unless ($_=~/\./) { + my $unikey=$_; + $unikey=~/^([A-Za-z]+)/; + my $tag=$1; + $tag=~tr/A-Z/a-z/; + print $mfh "\n\<$tag"; + foreach + (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) { + my $value= + $Apache::lonpublisher::metadatafields{$unikey.'.'.$_}; + $value=~s/\"/\'\'/g; + print $mfh ' '.$_.'="'.$value.'"'; + } + print $mfh '>'. + &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey}) + .''; + } + } + $r->print('

Wrote Metadata'); + } + } + $r->print( + '

'); + return OK; + } } 1;