--- loncom/homework/structuretags.pm 2001/08/20 15:47:22 1.61
+++ loncom/homework/structuretags.pm 2005/11/04 15:34:32 1.315
@@ -1,26 +1,53 @@
# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
-# 2/19 Guy
-# 6/26/2001 fixed extra web display at end of tags
-# 8/17,8/18,8/20 Gerd Kortemeyer
+#
+# $Id: structuretags.pm,v 1.315 2005/11/04 15:34:32 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','library','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",$$parser[$#$parser]);
- if ($target eq 'web') {
- return $bodytext;
- }
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
+ if ($target eq 'web') {
+ return $bodytext;
+ }
+ return '';
}
sub end_web {
@@ -28,509 +55,1466 @@ sub end_web {
}
sub start_tex {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- my $bodytext=&Apache::lonxml::get_all_text("/tex",$$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 $result;;
}
sub end_tex {
return '';
}
-sub page_start {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
- my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval);
- my $head_tag_start='
'.&Apache::lonxml::registerurl();
- my $body_tag_start='';
- return ($result,$head_tag_start,$body_tag_start);
+ if ($env{'browser.fontenhance'} eq 'on') {
+ $body_tag_start.=' style="font-size: x-large;" ';
+ }
+ $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
+
+ &Apache::lontexconvert::jsMath_reset();
+ if ($env{'environment.texengine'} eq 'jsMath') {
+ $body_tag_start.=&Apache::lontexconvert::jsMath_header();
+ }
+ return $body_tag_start;
}
-sub start_problem {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+sub page_start {
+ my ($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 {
- $Apache::lonhomework::type='problem';
- &Apache::lonxml::debug("Using default type, problem, :$uri:");
+ %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;
-#adeed vars to the scripting enviroment
- my $expression='$external::part='.$Apache::inputtags::part.';';
- &Apache::run::run($expression,$safeeval);
- my $status;
- my $accessmsg;
-
- #should get back a or the neccesary stuff to start XML/MathML
- my ($result,$head_tag_start,$body_tag_start)=
- &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
-
- if ($Apache::lonhomework::type eq 'exam') {
- if ($target eq 'web') {
- 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,$token);
- }
- if ($target eq 'meta') {
-
- return (<
-
-
-
-
-
-
-ENDSTORES
- }
- }
- if ($target eq 'web' || $target eq 'grade') {
- ($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);
- if (( $status eq 'CLOSED' ) ||
- ( $status eq 'UNCHECKEDOUT') ||
- ( $status eq 'BANNED')) {
- my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
- if ( $target eq "web" ) {
- $result.= $head_tag_start.'';
- my $msg=$body_tag_start.
- '
Not open to be viewed
';
- if ($status eq 'CLOSED') {
- $msg.='The problem '.$accessmsg;
- } elsif ($status eq 'UNCHECKEDOUT') {
- $msg.=(<The resource needs to be checked out
-As a resource gets checked out, a unique timestamped ID is given to it, and a
-permanent record is left in the system.
-
-Checking out resources is subject to course policies, and may exclude future
-credit even if done erroneously.
-
-