--- loncom/xml/lonxml.pm 2001/07/27 18:16:22 1.104 +++ loncom/xml/lonxml.pm 2002/01/09 09:50:59 1.148 @@ -1,6 +1,41 @@ # The LearningOnline Network with CAPA # XML Parser Module # +# $Id: lonxml.pm,v 1.148 2002/01/09 09:50:59 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# +# Copyright for TtHfunc and TtMfunc by Ian Hutchinson. +# TtHfunc and TtMfunc (the "Code") may be compiled and linked into +# binary executable programs or libraries distributed by the +# Michigan State University (the "Licensee"), but any binaries so +# distributed are hereby licensed only for use in the context +# of a program or computational system for which the Licensee is the +# primary author or distributor, and which performs substantial +# additional tasks beyond the translation of (La)TeX into HTML. +# The C source of the Code may not be distributed by the Licensee +# to any other parties under any circumstances. +# # last modified 06/26/00 by Alexander Sakharuk # 11/6 Gerd Kortemeyer # 6/1/1 Gerd Kortemeyer @@ -13,12 +48,22 @@ # 6/12,6/13 H. K. Ng # 6/16 Gerd Kortemeyer # 7/27 H. K. Ng +# 8/7,8/9,8/10,8/11,8/15,8/16,8/17,8/18,8/20,8/23,8/24 Gerd Kortemeyer +# Guy Albertelli +# 9/26 Gerd Kortemeyer +# Dec Guy Albertelli +# YEAR=2002 +# 1/1 Gerd Kortemeyer +# 1/2 Matthew Hall +# 1/3 Gerd Kortemeyer +# package Apache::lonxml; use vars qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace); use strict; use HTML::TokeParser; +use HTML::TreeBuilder; use Safe; use Safe::Hole; use Math::Cephes qw(:trigs :hypers :bessels erf erfc); @@ -26,13 +71,21 @@ use Math::Random qw(:all); use Opcode; sub register { - my $space; - my @taglist; - my $temptag; - ($space,@taglist) = @_; - foreach $temptag (@taglist) { - $Apache::lonxml::alltags{$temptag}=$space; + my ($space,@taglist) = @_; + foreach my $temptag (@taglist) { + push(@{ $Apache::lonxml::alltags{$temptag} },$space); + } +} + +sub deregister { + my ($space,@taglist) = @_; + foreach my $temptag (@taglist) { + my $tempspace = $Apache::lonxml::alltags{$temptag}[-1]; + if ($tempspace eq $space) { + pop(@{ $Apache::lonxml::alltags{$temptag} }); + } } + #&printalltags(); } use Apache::Constants qw(:common); @@ -44,6 +97,7 @@ use Apache::scripttag; use Apache::edit; use Apache::lonnet; use Apache::File; +use Apache::loncommon; #================================================== Main subroutine: xmlparse #debugging control, to turn on debugging modify the correct handler @@ -95,6 +149,12 @@ sub xmlbegin { sub xmlend { my $discussion=''; if ($ENV{'request.course.id'}) { + my $crs='/'.$ENV{'request.course.id'}; + if ($ENV{'request.course.sec'}) { + $crs.='_'.$ENV{'request.course.sec'}; + } + $crs=~s/\_/\//g; + my $seeid=&Apache::lonnet::allowed('rin',$crs); my $symb=&Apache::lonnet::symbread(); if ($symb) { my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, @@ -105,13 +165,37 @@ sub xmlend { '

Course Discussion of Resource

'; my $idx; for ($idx=1;$idx<=$contrib{'version'};$idx++) { - my $message=$contrib{$idx.':message'}; - $message=~s/\n/\
/g; - $discussion.='

'.$contrib{$idx.':sendername'}.' at '. - $contrib{$idx.':senderdomain'}.' ('. + my $hidden=($contrib{'hidden'}=~/\.$idx\./); + unless (($hidden) && (!$seeid)) { + my $message=$contrib{$idx.':message'}; + $message=~s/\n/\
/g; + if ($message) { + if ($hidden) { + $message=''.$message.''; + } + my $sender='Anonymous'; + if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { + $sender=$contrib{$idx.':sendername'}.' at '. + $contrib{$idx.':senderdomain'}; + if ($contrib{$idx.':anonymous'}) { + $sender.=' (anonymous)'; + } + if ($seeid) { + if ($hidden) { + $sender.=' Make Visible'; + } else { + $sender.=' Hide'; + } + } + } + $discussion.='

'.$sender.' ('. localtime($contrib{$idx.':timestamp'}). '):

'.$message. - '

'; + '

'; + } + } } $discussion.='
'; } @@ -120,6 +204,107 @@ sub xmlend { return $discussion.''; } +sub tokeninputfield { + my $defhost=$Apache::lonnet::perlvar{'lonHostID'}; + $defhost=~tr/a-z/A-Z/; + return (< + function updatetoken() { + var comp=new Array; + var barcode=unescape(document.tokeninput.barcode.value); + comp=barcode.split('*'); + if (typeof(comp[0])!="undefined") { + document.tokeninput.codeone.value=comp[0]; + } + if (typeof(comp[1])!="undefined") { + document.tokeninput.codetwo.value=comp[1]; + } + if (typeof(comp[2])!="undefined") { + comp[2]=comp[2].toUpperCase(); + document.tokeninput.codethree.value=comp[2]; + } + document.tokeninput.barcode.value=''; + } + +
+ + + + +
DocID Checkin
+ + + + + + + +
Scan in Barcode
or Type in DocID + +* + +* + +
+
+
+ENDINPUTFIELD +} + +sub maketoken { + my ($symb,$tuname,$tudom,$tcrsid)=@_; + unless ($symb) { + $symb=&Apache::lonnet::symbread(); + } + unless ($tuname) { + $tuname=$ENV{'user.name'}; + $tudom=$ENV{'user.domain'}; + $tcrsid=$ENV{'request.course.id'}; + } + + return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid); +} + +sub printtokenheader { + my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_; + unless ($token) { return ''; } + + my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); + unless ($tsymb) { + $tsymb=$symb; + } + unless ($tuname) { + $tuname=$name; + $tudom=$domain; + $tcrsid=$courseid; + } + + my %reply=&Apache::lonnet::get('environment', + ['firstname','middlename','lastname','generation'], + $tudom,$tuname); + my $plainname=$reply{'firstname'}.' '. + $reply{'middlename'}.' '. + $reply{'lastname'}.' '. + $reply{'generation'}; + + if ($target eq 'web') { + my %idhash=&Apache::lonnet::idrget($tudom,($tuname)); + return + ''. + 'Checked out for '.$plainname. + '
User: '.$tuname.' at '.$tudom. + '
ID: '.$idhash{$tuname}. + '
CourseID: '.$tcrsid. + '
Course: '.$ENV{'course.'.$tcrsid.'.description'}. + '
DocID: '.$token. + '
Time: '.localtime().'
'; + } else { + return $token; + } +} + sub fontsettings() { my $headerstring=''; if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { @@ -131,7 +316,12 @@ sub fontsettings() { sub registerurl { my $forcereg=shift; - if ($Apache::lonxml::registered) { return ''; } + if ($ENV{'request.publicaccess'}) { + return + ''; + } + if ($Apache::lonxml::registered && !$forcereg) { return ''; } + $Apache::lonxml::registered=1; if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) { my $hwkadd=''; if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) { @@ -169,6 +359,8 @@ ENDPARM menu.currentStale=0; menu.clearbut(3,1); menu.switchbutton + (6,3,'catalog.gif','catalog','info','catalog_info()'); + menu.switchbutton (8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)'); menu.switchbutton (8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)'); @@ -191,13 +383,13 @@ ENDPARM menu=window.open("","LONCAPAmenu"); menu.currentStale=1; menu.switchbutton - (3,1,'reload.gif','return','location','go(currentURL)'); + (3,1,'reload.gif','return','location','go(currentURL)'); menu.clearbut(7,1); menu.clearbut(7,2); menu.clearbut(7,3); menu.menucltim=menu.setTimeout( 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+ - 'clearbut(9,1);clearbut(9,2);clearbut(9,3);', + 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3)', 2000); } @@ -249,7 +441,8 @@ sub unloadevents() { sub printalltags { my $temp; foreach $temp (sort keys %Apache::lonxml::alltags) { - &Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}"); + &Apache::lonxml::debug("$temp -- ". + join(',',@{ $Apache::lonxml::alltags{$temp} })); } } @@ -276,13 +469,35 @@ sub xmlparse { my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, $safeeval,\%style_for_target); - + if ($ENV{'request.uri'}) { + &writeallows($ENV{'request.uri'}); + } return $finaloutput; } +sub htmlclean { + my ($raw,$full)=@_; + + my $tree = HTML::TreeBuilder->new; + $tree->ignore_unknown(0); + + $tree->parse($raw); + + my $output= $tree->as_HTML(undef,' '); + + $output=~s/\<(br|hr|img|meta|allow)([^\>\/]*)\>/\<$1$2 \/\>/gis; + $output=~s/\<\/(br|hr|img|meta|allow)\>//gis; + unless ($full) { + $output=~s/\<[\/]*(body|head|html)\>//gis; + } + + $tree = $tree->delete; + + return $output; +} + sub inner_xmlparse { my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_; - &Apache::lonxml::debug('Reentrant parser starting, again?'); my $finaloutput = ''; my $result; my $token; @@ -297,14 +512,14 @@ sub inner_xmlparse { $result=$token->[2]; } } elsif ($token->[0] eq 'S') { - # add tag to stack + # add tag to stack push (@$stack,$token->[1]); # add parameters list to another stack push (@$parstack,&parstring($token)); - &increasedepth($token); + &increasedepth($token); if (exists $$style_for_target{$token->[1]}) { if ($Apache::lonxml::redirection) { - $Apache::lonxml::outputstack['-1'] .= + $Apache::lonxml::outputstack['-1'] .= &recurse($$style_for_target{$token->[1]},$target,$safeeval, $style_for_target,@$parstack); } else { @@ -314,15 +529,15 @@ sub inner_xmlparse { } else { $result = &callsub("start_$token->[1]", $target, $token, $stack, $parstack, $pars, $safeeval, $style_for_target); - } + } } elsif ($token->[0] eq 'E') { #clear out any tags that didn't end while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) { - &Apache::lonxml::warning("Unbalanced tags in resource $$stack['-1']"); + &Apache::lonxml::warning('Missing tag </'.$$stack['-1'].'> in file'); &end_tag($stack,$parstack,$token); } - - if (exists $$style_for_target{'/'."$token->[1]"}) { + + if (exists($$style_for_target{'/'."$token->[1]"})) { if ($Apache::lonxml::redirection) { $Apache::lonxml::outputstack['-1'] .= &recurse($$style_for_target{'/'."$token->[1]"}, @@ -332,7 +547,6 @@ sub inner_xmlparse { $target,$safeeval,$style_for_target, @$parstack); } - } else { $result = &callsub("end_$token->[1]", $target, $token, $stack, $parstack, $pars,$safeeval, $style_for_target); @@ -383,6 +597,7 @@ sub recurse { my $partstring = ''; my $output=''; my $decls=''; + &Apache::lonxml::debug("Recursing"); while ( $#pat > -1 ) { while ($tokenpat = $pat[$#pat]->get_token) { if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) { @@ -400,7 +615,7 @@ sub recurse { #clear out any tags that didn't end while ($tokenpat->[1] ne $innerstack[$#innerstack] && ($#innerstack > -1)) { - &Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); + &Apache::lonxml::warning('Missing tag </'.$innerstack['-1'].'> in style'); &end_tag(\@innerstack,\@innerparstack,$tokenpat); } $partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat, @@ -434,6 +649,7 @@ sub recurse { pop @pat; pop @Apache::lonxml::pwd; } + &Apache::lonxml::debug("Exiting Recursing"); return $output; } @@ -445,11 +661,11 @@ sub callsub { my $sub1; no strict 'refs'; my $tag=$token->[1]; - my $space=$Apache::lonxml::alltags{$tag}; + my $space=$Apache::lonxml::alltags{$tag}[-1]; if (!$space) { - $tag=~tr/A-Z/a-z/; + $tag=~tr/A-Z/a-z/; $sub=~tr/A-Z/a-z/; - $space=$Apache::lonxml::alltags{$tag} + $space=$Apache::lonxml::alltags{$tag}[-1] } my $deleted=0; @@ -504,11 +720,17 @@ sub setup_globals { my ($target)=@_; $Apache::lonxml::registered = 0; @Apache::lonxml::pwd=(); + @Apache::lonxml::extlinks=(); if ($target eq 'meta') { $Apache::lonxml::redirection = 0; $Apache::lonxml::metamode = 1; $Apache::lonxml::evaluate = 1; $Apache::lonxml::import = 0; + } elsif ($target eq 'answer') { + $Apache::lonxml::redirection = 0; + $Apache::lonxml::metamode = 1; + $Apache::lonxml::evaluate = 1; + $Apache::lonxml::import = 1; } elsif ($target eq 'grade') { &startredirection; $Apache::lonxml::metamode = 0; @@ -585,7 +807,10 @@ sub init_safespace { #need to inspect this class of ops # $safeeval->deny(":base_orig"); $safeinit .= ';$external::target="'.$target.'";'; - $safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; + my $rndseed; + my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); + $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name); + $safeinit .= ';$external::randomseed='.$rndseed.';'; &Apache::run::run($safeinit,$safeeval); } @@ -636,7 +861,7 @@ sub decreasedepth { $Apache::lonxml::olddepth=$Apache::lonxml::depth+1; } if ( $Apache::lonxml::depth < -1) { - &Apache::lonxml::warning("Unbalanced tags in resource"); + &Apache::lonxml::warning("Missing tags, unable to properly run file."); $Apache::lonxml::depth='-1'; } my $curdepth=join('_',@Apache::lonxml::depthcounter); @@ -708,25 +933,31 @@ sub newparser { sub parstring { my ($token) = @_; my $temp=''; - map { + foreach (@{$token->[3]}) { unless ($_=~/\W/) { my $val=$token->[2]->{$_}; $val =~ s/([\%\@\\])/\\$1/g; #if ($val =~ m/^[\%\@]/) { $val="\\".$val; } $temp .= "my \$$_=\"$val\";" } - } @{$token->[3]}; + } return $temp; } sub writeallows { + unless ($#extlinks>=0) { return; } my $thisurl='/res/'.&Apache::lonnet::declutter(shift); + if ($ENV{'httpref.'.$thisurl}) { + $thisurl=$ENV{'httpref.'.$thisurl}; + } my $thisdir=$thisurl; $thisdir=~s/\/[^\/]+$//; my %httpref=(); - map { + foreach (@extlinks) { $httpref{'httpref.'. - &Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; } @extlinks; + &Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; + } + @extlinks=(); &Apache::lonnet::appenv(%httpref); } @@ -735,7 +966,7 @@ sub writeallows { # sub afterburn { my $result=shift; - map { + foreach (split(/&/,$ENV{'QUERY_STRING'})) { my ($name, $value) = split(/=/,$_); $value =~ tr/+/ /; $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; @@ -744,22 +975,22 @@ sub afterburn { $ENV{'form.'.$name}=$value; } } - } (split(/&/,$ENV{'QUERY_STRING'})); + } if ($ENV{'form.highlight'}) { - map { + foreach (split(/\,/,$ENV{'form.highlight'})) { my $anchorname=$_; my $matchthis=$anchorname; $matchthis=~s/\_+/\\s\+/g; $result=~s/($matchthis)/\$1\<\/font\>/gs; - } split(/\,/,$ENV{'form.highlight'}); + } } if ($ENV{'form.link'}) { - map { + foreach (split(/\,/,$ENV{'form.link'})) { my ($anchorname,$linkurl)=split(/\>/,$_); my $matchthis=$anchorname; $matchthis=~s/\_+/\\s\+/g; $result=~s/($matchthis)/\$1\<\/a\>/gs; - } split(/\,/,$ENV{'form.link'}); + } } if ($ENV{'form.anchor'}) { my $anchorname=$ENV{'form.anchor'}; @@ -780,6 +1011,8 @@ sub storefile { if (my $fh=Apache::File->new('>'.$file)) { print $fh $contents; $fh->close(); + } else { + &warning("Unable to save file $file"); } } @@ -801,21 +1034,38 @@ sub inserteditinfo { SIMPLECONTENT } - my $editheader='Edit below
'; + + $filecontents =~ s::</textarea>:ig; +# my $editheader='Edit below
'; my $editfooter=(<

- + + + +
ENDFOOTER - $result=~s/(\]*\>)/$1$editheader/is; +# $result=~s/(\]*\>)/$1$editheader/is; $result=~s/(\<\/body\>)/$editfooter/is; return $result; } +sub editbutton { + my ($result) = @_; + my $button=(< + + +EDITBUTTON + $result=~s/(\<\/body\>)/$button/is; + return $result; +} + sub handler { my $request=shift; @@ -828,9 +1078,9 @@ sub handler { } else { $request->content_type('text/html'); } - + &Apache::loncommon::no_cache($request); $request->send_http_header; - + return OK if $request->header_only; @@ -839,12 +1089,12 @@ sub handler { # Edit action? Save file. # unless ($ENV{'request.state'} eq 'published') { - if ($ENV{'form.savethisfile'}) { + if (($ENV{'form.savethisfile'}) || ($ENV{'form.attemptclean'})) { &storefile($file,$ENV{'form.filecont'}); } } my %mystyle; - my $result = ''; + my $result = ''; my $filecontents=&Apache::lonnet::getfile($file); if ($filecontents == -1) { $result=(<uri); + $request->print($result); - writeallows($request->uri); return OK; } - + sub debug { if ($Apache::lonxml::debug eq 1) { - print("DEBUG:".$_[0]."
\n"); + $|=1; + print("DEBUG:".join('
',@_)."
\n"); } } sub error { if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { - print "ERROR:".$_[0]."
\n"; + print "ERROR:".join('
',@_)."
\n"; } else { print "An Error occured while processing this resource. The instructor has been notified.
"; #notify author - &Apache::lonmsg::author_res_msg($ENV{'request.filename'},$_[0]); + &Apache::lonmsg::author_res_msg($ENV{'request.filename'},join('
',@_)); #notify course if ( $ENV{'request.course.id'} ) { my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}; + my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'}); foreach my $user (split /\,/, $users) { ($user,my $domain) = split /:/, $user; - &Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]); + &Apache::lonmsg::user_normal_msg($user,$domain, + "Error [$declutter]",join('
',@_)); } } #FIXME probably shouldn't have me get everything forever. - &Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]); + &Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",join('
',@_)); #&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]); } } sub warning { if ($ENV{'request.state'} eq 'construct') { - print "WARNING:".$_[0]."
\n"; + print "WARNING:".join('
',@_)."
\n"; } } @@ -914,7 +1180,25 @@ sub get_param { if ( ! $context ) { $context = -1; } my $args =''; if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } - return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' + if ( $args =~ /my \$$param=\"/ ) { + return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' + } else { + return undef; + } +} + +sub get_param_var { + my ($param,$parstack,$safeeval,$context) = @_; + if ( ! $context ) { $context = -1; } + my $args =''; + if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } + if ( $args !~ /my \$$param=\"/ ) { return undef; } + my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' + if ($value =~ /^[\$\@\%]/) { + return &Apache::run::run("return $value",$safeeval,1); + } else { + return $value; + } } sub register_insert { @@ -927,13 +1211,16 @@ sub register_insert { if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; } if ( $line =~ /TABLE/ ) { last; } my ($tag,$descrip,$color,$function,$show) = split(/,/, $line); - $insertlist{"$tagnum.tag"} = $tag; - $insertlist{"$tagnum.description"} = $descrip; - $insertlist{"$tagnum.color"} = $color; - $insertlist{"$tagnum.function"} = $function; - $insertlist{"$tagnum.show"}= $show; - $insertlist{"$tag.num"}=$tagnum; - $tagnum++; + if ($tag) { + $insertlist{"$tagnum.tag"} = $tag; + $insertlist{"$tagnum.description"} = $descrip; + $insertlist{"$tagnum.color"} = $color; + $insertlist{"$tagnum.function"} = $function; + if (!defined($show)) { $show='yes'; } + $insertlist{"$tagnum.show"}= $show; + $insertlist{"$tag.num"}=$tagnum; + $tagnum++; + } } $i++; #skipping TABLE line $tagnum = 0; @@ -941,7 +1228,7 @@ sub register_insert { my $line = $data[$i]; my ($mnemonic,@which) = split(/ +/,$line); my $tag = $insertlist{"$tagnum.tag"}; - for (my $j=0;$j <$#which;$j++) { + for (my $j=0;$j <=$#which;$j++) { if ( $which[$j] eq 'Y' ) { if ($insertlist{"$j.show"} ne 'no') { push(@{ $insertlist{"$tag.which"} },$j); @@ -954,8 +1241,41 @@ sub register_insert { sub description { my ($token)=@_; - return $insertlist{$insertlist{"$token->[1].num"}.'.description'}; + my $tagnum; + my $tag=$token->[1]; + foreach my $namespace (reverse @Apache::lonxml::namespace) { + my $testtag=$namespace.'::'.$tag; + $tagnum=$insertlist{"$testtag.num"}; + if (defined($tagnum)) { last; } + } + if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; } + return $insertlist{$tagnum.'.description'}; +} + +# ----------------------------------------------------------------- whichuser +# returns a list of $symb, $courseid, $domain, $name that is correct for +# calls to lonnet functions for this setup. +# - looks for form.grade_ parameters +sub whichuser { + my ($symb,$courseid,$domain,$name); + if (defined($ENV{'form.grade_symb'})) { + my $tmp_courseid=$ENV{'form.grade_courseid'}; + my $allowed=&Apache::lonnet::allowed('mgr',$tmp_courseid); + if ($allowed) { + $symb=$ENV{'form.grade_symb'}; + $courseid=$ENV{'form.grade_courseid'}; + $domain=$ENV{'form.grade_domain'}; + $name=$ENV{'form.grade_username'}; + } + } else { + $symb=&Apache::lonnet::symbread(); + $courseid=$ENV{'request.course.id'}; + $domain=$ENV{'user.domain'}; + $name=$ENV{'user.name'}; + } + return ($symb,$courseid,$domain,$name); } + 1; __END__