--- loncom/homework/structuretags.pm 2001/06/05 16:32:18 1.41
+++ loncom/homework/structuretags.pm 2005/10/18 21:46:42 1.306
@@ -1,393 +1,1490 @@
# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
-# 2/19 Guy
+#
+# $Id: structuretags.pm,v 1.306 2005/10/18 21:46:42 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/
+#
+###
+
+
package Apache::structuretags;
use strict;
use Apache::lonnet;
-
-sub BEGIN {
- &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));
-# &Apache::lonxml::register_insert('problem','',('part','postanswerdate','preduedate'))
+use Apache::File();
+use Apache::lonmenu;
+use Apache::lonlocal;
+use Apache::lonxml;
+use Time::HiRes qw( gettimeofday tv_interval );
+BEGIN {
+ &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
}
sub start_web {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]);
- if ($target eq 'web') {
- return $bodytext;
- }
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
+ if ($target eq 'web') {
+ return $bodytext;
+ }
+ return '';
}
sub end_web {
+ return '';
}
sub start_tex {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]);
- if ($target eq 'tex') {
- return $bodytext
- }
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $result='';
+ my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
+ if ($target eq 'tex') {
+ return $bodytext.' ';
+ }
+ return $result;;
}
sub end_tex {
+ return '';
+}
+
+sub body_tag_start {
+ my ($target,$background,$bgcolor)=@_;
+ my $body_tag_start='
'.&Apache::lonmenu::menubuttons(undef,$target,1);
+
+ &Apache::lontexconvert::jsMath_reset();
+ if ($env{'environment.texengine'} eq 'jsMath') {
+ $body_tag_start.=&Apache::lontexconvert::jsMath_header();
+ }
+ return $body_tag_start;
+}
+
+sub page_start {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my %found;
+ foreach my $taginside (@$tagstack) {
+ foreach my $taglookedfor ('html','body','form') {
+ if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
+ }
+ }
+
+ my $result;
+ my $head_tag_start;
+ if (!defined($found{'html'})) {
+ $result=&Apache::londefdef::start_html($target,$token,$tagstack,
+ $parstack,$parser,$safeeval);
+ $head_tag_start=''.&Apache::lonmenu::registerurl(undef,$target).
+ &Apache::lonhtmlcommon::htmlareaheaders().
+ &Apache::lonhtmlcommon::spellheader().
+ &Apache::lonxml::fontsettings();
+ }
+ my $body_tag_start;
+ if (!defined($found{'body'}) && $env{'request.state'} eq 'construct'
+ && $env{'environment.remote'} eq 'off') {
+ if ($target eq 'web' || $target eq 'edit') {
+ $body_tag_start=&Apache::loncommon::bodytag();
+ $body_tag_start.=&Apache::lonxml::message_location();
+ }
+ } elsif (!defined($found{'body'})) {
+ my $background=&Apache::lonxml::get_param('background',$parstack,
+ $safeeval);
+ my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
+ $safeeval);
+ $body_tag_start=&body_tag_start($target,$background,$bgcolor);
+ if ( ($target eq 'web' || $target eq 'webgrade')
+ && $env{'request.state'} ne 'construct') {
+ my ($symb,undef,undef,undef,$publicuser)=
+ &Apache::lonxml::whichuser();
+ if ($symb eq '' && !$publicuser) {
+ my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
+ $help=&mt("Browsing resource, all submissions are temporary.")." ";
+ $body_tag_start.=$help;
+ }
+ }
+ $body_tag_start.=&Apache::lonxml::message_location();
+ }
+ my $form_tag_start;
+ if (!defined($found{'form'})) {
+ $form_tag_start='\n".&Apache::loncommon::endbodytag()."\n";
+}
+
+sub option {
+ my ($value,$name) = @_;
+ my $result ="
+ ".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."
+ ".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."
+ ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."
+ ".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."
+
+
+
+Problem Type:
+
+
+
+Feedback Mode:
+
+
+
+";
+ my $numtoanalyze=$env{'form.numtoanalyze'};
+ if (!$numtoanalyze) { $numtoanalyze=20; }
+ $result.= ' for
+ '.&mt('versions of this problem').
+ '.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
+ '',undef,undef,300).
+ '';
+ return $result;
+}
+
+sub initialize_storage {
+ %Apache::lonhomework::results=();
+ %Apache::lonhomework::history=();
+ my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+ if ($env{'request.state'} eq 'construct' || $symb eq '') {
+ %Apache::lonhomework::history=
+ &Apache::lonnet::tmprestore($env{'request.uri'},'',$domain,$name);
+ my ($temp)=keys %Apache::lonhomework::history ;
+ &Apache::lonxml::debug("Return message of $temp");
+ } else {
+ %Apache::lonhomework::history=
+ &Apache::lonnet::restore($symb,$courseid,$domain,$name);
+ }
+ #ignore error conditions
+ my ($temp)=keys %Apache::lonhomework::history ;
+ if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
+}
+
+# -------------------------------------------------------------finalize_storage
+# Stores away the result has to a student's environment
+# checks form.grade_ for specific values, other wises stores
+# to the running users environment
+# Will increment totals for attempts, students, and corrects
+# if running user has student role.
+sub finalize_storage {
+ my $result;
+ if (%Apache::lonhomework::results) {
+ my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+ if ($env{'request.state'} eq 'construct' || $symb eq '') {
+ $Apache::lonhomework::results{'rndseed'}=$env{'form.rndseed'};
+ $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
+ $env{'request.uri'},'',$domain,$name);
+ &Apache::lonxml::debug('Construct Store return message:'.$result);
+ } else {
+ $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
+ $symb,$courseid,$domain,$name);
+ &Apache::lonxml::debug('Store return message:'.$result);
+ if ($env{'request.role'} =~/^st/) {
+ &store_aggregates($symb,$courseid);
+ }
+ }
+ }
+ return $result;
+}
+use Data::Dumper;
+
+# -------------------------------------------------------------store_aggregates
+# Sends hash of values to be incremented in nohist_resourcetracker.db
+# for the course. Increments total number of attempts, unique students
+# and corrects for each part for an instance of a problem, as appropriate.
+sub store_aggregates {
+ my ($symb,$courseid) = @_;
+ my %aggregate;
+ my @parts;
+ my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
+ foreach my $key (keys(%Apache::lonhomework::results)) {
+ if ($key =~ /resource\.([^\.]+)\.tries/) {
+ push(@parts, $1);
+ }
+ }
+ foreach my $part (@parts) {
+ if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
+ eq 'APPROX_ANS' ||
+ $Apache::lonhomework::results{'resource.'.$part.'.award'}
+ eq 'EXACT_ANS') {
+ $aggregate{$symb."\0".$part."\0correct"} = 1;
+ }
+ if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
+ $aggregate{$symb."\0".$part."\0users"} = 1;
+ } else {
+ my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
+ if ($last_reset) {
+ if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
+ $aggregate{$symb."\0".$part."\0users"} = 1;
+ }
+ }
+ }
+ $aggregate{$symb."\0".$part."\0attempts"} = 1;
+ }
+ if (keys (%aggregate) > 0) {
+ &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
+ $cdomain,$cname);
+ }
+}
+
+sub checkout_msg {
+ my %lt=&Apache::lonlocal::texthash(
+ 'resource'=>'The resource needs to be checked out',
+ 'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
+ 'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
+ 'checkout'=>'Check out Exam for Viewing',
+ 'checkout?'=>'Check out Exam?');
+ return (<$lt{'resource'}
+
$lt{'id_expln'}
+
+
$lt{'warning'}
+
+
+ENDCHECKOUT
+}
+
+sub firstaccess_msg {
+ my ($time,$symb)=@_;
+ my ($map)=&Apache::lonnet::decode_symb($symb);
+ my $foldertitle=&Apache::lonnet::gettitle($map);
+ &Apache::lonxml::debug("map is $map title is $foldertitle");
+ return (<The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".
+
+ENDCHECKOUT
+}
+
+sub init_problem_globals {
+ my ($type)=@_;
+ #initialize globals
+ if ($type eq 'problem') {
+ $Apache::inputtags::part='0';
+ @Apache::inputtags::partlist=('0');
+ $Apache::lonhomework::problemstatus=&get_problem_status('0');
+ $Apache::lonhomework::ignore_response_errors=0;
+ } elsif ($type eq 'library') {
+ $Apache::inputtags::part='';
+ @Apache::inputtags::partlist=();
+ $Apache::lonhomework::problemstatus='';
+ $Apache::lonhomework::ignore_response_errors=1;
+ } elsif ($type eq 'Task') {
+ $Apache::inputtags::part='0';
+ @Apache::inputtags::partlist=('0');
+ $Apache::lonhomework::problemstatus='';
+ $Apache::lonhomework::ignore_response_errors=1;
+ }
+ @Apache::inputtags::responselist = ();
+ @Apache::inputtags::importlist = ();
+ @Apache::inputtags::previous=();
+ @Apache::inputtags::previous_version=();
+ $Apache::structuretags::printanswer='No';
+ @Apache::structuretags::whileconds=();
+ @Apache::structuretags::whilebody=();
+ @Apache::structuretags::whileline=();
+ $Apache::lonhomework::scantronmode=0;
+ undef($Apache::lonhomework::name);
+
+}
+
+sub reset_problem_globals {
+ my ($type)=@_;
+ undef(%Apache::lonhomework::history);
+ undef(%Apache::lonhomework::results);
+ undef($Apache::inputtags::part);
+#don't undef this, lonhomework.pm takes care of this, we use this to
+#detect if we try to do 2 problems in one file
+# undef($Apache::lonhomework::parsing_a_problem);
+ undef($Apache::lonhomework::name);
+}
+
+sub set_problem_state {
+ my ($part)=@_;
+ if ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
+ $Apache::lonhomework::history{"resource.$part.solved"}=
+ 'correct_by_student';
+ }
+}
+
+sub get_problem_status {
+ my ($part)=@_;
+ my $problem_status;
+ if ($env{'request.state'} eq 'construct' &&
+ defined($env{'form.problemstatus'})) {
+ $problem_status=$env{'form.problemstatus'};
+ } else {
+ $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
+ &Apache::lonxml::debug("problem status for $part is $problem_status");
+ &Apache::lonxml::debug("env probstat is ".$env{'form.problemstatus'});
+ }
+ return $problem_status;
}
sub start_problem {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+
+ if ( $Apache::inputtags::part ne '' ||
+ $Apache::lonhomework::parsing_a_problem) {
+ &Apache::lonxml::error('Only one <problem> allowed in a .problem file');
+ #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
+ return '';
+ }
-#intialize globals
- $Apache::inputtags::part='0';
- @Apache::inputtags::responselist = ();
-
-#adeed vars to the scripting enviroment
- my $expression='$external::part='.$Apache::inputtags::part.';';
- &Apache::run::run($expression,$safeeval);
- my $status;
- my $datemsg;
-
- #should get back a or the neccesary stuff to start XML/MathML
- my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval);
-
- my $head_tag_start=''.&Apache::lonxml::registerurl();
- my $body_tag_start='';
- if ($target eq 'web' || $target eq 'grade') {
- ($status,$datemsg) = &Apache::lonhomework::check_date('0');
- push (@Apache::inputtags::status,$status);
- my $expression='$external::datestatus="'.$status.'";';
- $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
+ $Apache::lonhomework::parsing_a_problem=1;
+ &init_problem_globals('problem');
+
+ if (defined($env{'scantron.maxquest'})) {
+ $Apache::lonhomework::scantronmode=1;
+ }
+
+ &initialize_storage();
+ if ($target ne 'analyze') {
+ if ($target eq 'web') {
+ &Apache::lonhomework::showhash(%Apache::lonhomework::history);
+ }
+ if ($env{'request.state'} eq 'construct') { &set_problem_state('0'); }
+ $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
+ if (($env{'request.state'} eq 'construct') &&
+ defined($env{'form.problemtype'})) {
+ $Apache::lonhomework::type=$env{'form.problemtype'};
+ }
+ &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
+ }
+ if ($Apache::lonhomework::type eq '' ) {
+ my $uri=$env{'request.uri'};
+ if ($uri=~/\.(\w+)$/) {
+ $Apache::lonhomework::type=$1;
+ &Apache::lonxml::debug("Using type of $1");
+ } else {
+ $Apache::lonhomework::type='problem';
+ &Apache::lonxml::debug("Using default type, problem, :$uri:");
+ }
+ }
+ $Apache::lonhomework::default_type = $Apache::lonhomework::type;
+
+ #added vars to the scripting enviroment
+ my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
+ $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
&Apache::run::run($expression,$safeeval);
- if ( $status eq 'CLOSED' ) {
- my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
- if ( $target eq "web" ) {
- $result.= $head_tag_start.'';
- return $result . $body_tag_start .
- " Problem is not open to be viewed. The problem $datemsg ";
- }
- }
- }
- if ($target eq 'web') {
- my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
- if ($name eq '') {
- $name=&Apache::lonnet::EXT('resource.title');
- if ($name eq 'con_lost') { $name = ''; }
+ my $status;
+ my $accessmsg;
+
+ #should get back a or the neccesary stuff to start XML/MathML
+ my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
+ &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
+ if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}
+
+ if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
+ if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
+ $target eq 'tex') {
+ #handle exam checkout
+ if ($Apache::lonhomework::type eq 'exam') {
+ my $token=
+ $Apache::lonhomework::history{"resource.0.outtoken"};
+ if (($env{'form.doescheckout'}) && (!$token)) {
+ $token=&Apache::lonxml::maketoken();
+ $Apache::lonhomework::history{"resource.0.outtoken"}=
+ $token;
+ }
+ $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
+ }
+ if ($env{'form.markaccess'}) {
+ &Apache::lonnet::set_first_access('map');
+ }
+ #handle rand seed in construction space
+ my $rndseed=&setup_rndseed($safeeval);
+ my ($symb)=&Apache::lonxml::whichuser();
+ if ($env{'request.state'} ne "construct" && $symb eq '') {
+ $form_tag_start.=''.
+ ''.
+ '';
+ if ($env{'user.adv'}) {
+ $form_tag_start.=
+ ' ';
+ }
+ $form_tag_start.='';
+ }
+ ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
+ push (@Apache::inputtags::status,$status);
+ my $expression='$external::datestatus="'.$status.'";';
+ $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
+ &Apache::run::run($expression,$safeeval);
+ &Apache::lonxml::debug("Got $status");
+ if (( $status eq 'CLOSED' ) ||
+ ( $status eq 'UNCHECKEDOUT') ||
+ ( $status eq 'NOT_YET_VIEWED') ||
+ ( $status eq 'BANNED') ||
+ ( $status eq 'UNAVAILABLE') ||
+ ( $status eq 'INVALID_ACCESS')) {
+ my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
+ if ( $target eq "web" ) {
+ $result.= $head_tag_start.'';
+ my $msg=$body_tag_start;
+ if ($status eq 'UNAVAILABLE') {
+ $msg.='
'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'
';
+ } elsif ($status ne 'NOT_YET_VIEWED') {
+ $msg.='
'.&mt('Not open to be viewed').'
';
+ }
+ if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
+ $msg.='The problem '.$accessmsg;
+ } elsif ($status eq 'UNCHECKEDOUT') {
+ $msg.=&checkout_msg;
+ } elsif ($status eq 'NOT_YET_VIEWED') {
+ $msg.=&firstaccess_msg($accessmsg,$symb);
+ }
+ $result.=$msg.' ';
+ } elsif ($target eq 'tex') {
+ $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
+ if ($status eq 'UNAVAILABLE') {
+ $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
+ } else {
+ $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
+ }
+ }
+ } elsif ($target eq 'web') {
+ my $name= &get_resource_name($parstack,$safeeval);
+ $result.="$head_tag_start$name
+ $body_tag_start \n $form_tag_start".
+ '';
+ # create a page header and exit
+ if ($env{'request.state'} eq "construct") {
+ $result.= &problem_web_to_edit_header($env{'form.rndseed'});
+ }
+ # if we are viewing someone else preserve that info
+ if (defined $env{'form.grade_symb'}) {
+ foreach my $field ('symb','courseid','domain','username') {
+ $result .= ''."\n";
+ }
+ }
+ } elsif ($target eq 'tex') {
+ my $startminipage = '';
+ if (not $env{'form.problem_split'}=~/yes/) {
+ $startminipage = '\begin{minipage}{\textwidth}';
+ }
+ my $id = $Apache::inputtags::part;
+ my $weight = &Apache::lonnet::EXT("resource.$id.weight");
+ my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
+ my @packages = split /,/,$packages;
+ my $allow_print_points = 0;
+ foreach my $partial_key (@packages) {
+ if ($partial_key=~m/^part_0$/) {
+ $allow_print_points=1;
+ }
+ }
+ my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
+ if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
+ if (lc($env{'course.'.$env{'request.course.id'}.
+ '.disableexampointprint'}) eq 'yes') {
+ $allow_print_points=0;
+ }
+ my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
+ $duedate = POSIX::strftime("%c",localtime($duedate));
+ my $temp_file;
+ my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
+ if (-e $filename) {
+ $temp_file = Apache::File->new($filename);
+ } else {
+ $temp_file = Apache::File->new('>>'.$filename);
+ }
+ my @due_file_content = <$temp_file>;
+ my $due_file_content = $due_file_content[$#due_file_content];
+ chomp $due_file_content;
+ my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
+ my $begin_doc='\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource
"'.$name_of_resourse.'"
located in '.$env{'request.uri'}.' STAMPOFPASSEDRESOURCEEND} \noindent ';
+ my $toc_line='\vskip 1 mm\noindent '.$startminipage.
+ '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
+ if ($due_file_content ne $duedate) {
+ $temp_file = Apache::File->new('>'.$filename);
+ print $temp_file "$duedate\n";
+ if (not $env{'request.symb'} =~ m/\.page_/) {
+ if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
+ $result .= $begin_doc.
+ '\textit{Due date: '.$duedate.'} '.$toc_line;
+ } else {
+ $result .= $begin_doc.$toc_line;
+ if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
+ }
+ } else {
+ $result .= '\vskip 1mm\textit{Due date: '.$duedate.'} \\\\\\\\';
+ }
+ } else {
+ if (not $env{'request.symb'} =~ m/\.page_/) {
+ $result .= $begin_doc.$toc_line;
+ if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
+ } else {
+ $result .= '\vskip 1mm \\\\\\\\';
+ }
+ }
+ }
+ } elsif ($target eq 'edit') {
+ $result.=$head_tag_start."".$body_tag_start.$form_tag_start.
+ &problem_edit_header();
+ $Apache::lonxml::warnings_error_header=
+ &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")." ";
+ my $temp=&Apache::edit::insertlist($target,$token);
+ $result.=$temp;
+ } elsif ($target eq 'modified') {
+ $result=$token->[4];
+ $result.=&Apache::edit::handle_insert();
+ } else {
+ # page_start returned a starting result, delete it if we don't need it
+ $result = '';
}
- $Apache::lonhomework::name=$name;
- if ($status eq 'CAN_ANSWER') {
- # create a page header and exit
- $result.="$head_tag_start$name\n
- $body_tag_start\n
-