--- loncom/homework/structuretags.pm 2001/05/13 20:01:34 1.37
+++ loncom/homework/structuretags.pm 2004/02/16 17:19:36 1.236
@@ -1,388 +1,1237 @@
# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
+#
+# $Id: structuretags.pm,v 1.236 2004/02/16 17:19:36 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/
+#
# 2/19 Guy
+# 6/26/2001 fixed extra web display at end of tags
+# 8/17,8/18,8/20 Gerd Kortemeyer
+
+
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;
+
+BEGIN {
+ &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',
+'simpleeditbutton','definetag'));
}
sub start_web {
- my ($target,$token,$parstack,$parser,$safeeval)=@_;
- my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]);
- if ($target eq 'web') {
- return $bodytext;
- }
- return '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
+ if ($target eq 'web') {
+ return $bodytext;
+ }
+ return '';
}
sub end_web {
+ return '';
}
sub start_tex {
- my ($target,$token,$parstack,$parser,$safeeval)=@_;
- my $bodytext=&Apache::lonxml::get_all_text("/tex",$$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 %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);
+ }
+ my $body_tag_start;
+ if (!defined($found{'body'})) {
+ $body_tag_start=''.&Apache::lonmenu::menubuttons(undef,$target,1);
+ if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
+ my ($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;
+ }
+ }
+ }
+ my $form_tag_start;
+ if (!defined($found{'form'})) {
+ $form_tag_start='\n";
+ }
+ if ($target eq 'web') {
+ $result.=&Apache::lonxml::xmlend();
+ } elsif ($target eq 'tex') {
+ my $endminipage = '';
+ if (not $ENV{'form.problem_split'}=~/yes/) {
+ $endminipage = '\end{minipage}';
+ }
+ $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
+ if (not $ENV{'request.symb'} =~ m/\.page_/) {
+ $result .= $endminipage.'\end{document} ';
+ } else {
+ $result .= '';
+ }
+ }
+ }
+ if ($target eq 'grade') {
+ &Apache::lonhomework::showhash(%Apache::lonhomework::results);
+ &finalize_storage();
+ }
+ if ($target eq 'answer' && ($ENV{'request.state'} eq 'construct')
+ && $ENV{'form.answer_output_mode'} ne 'tex') {
+ $result.=''; # normally we get it from xmlend, but in CSTR
+ # we always show answer mode too.
+ }
+ } elsif ($target eq 'meta') {
+ if ($Apache::inputtags::part eq '0') {
+ @Apache::inputtags::response=();
+ $result=&Apache::response::mandatory_part_meta;
+ }
+ $result.=&Apache::response::meta_part_order();
+ } elsif ($target eq 'edit') {
+ &Apache::lonxml::debug("in end_problem with $target, edit");
+ $result = &problem_edit_footer();
+ }
+
+ if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {
+ &Apache::inputtags::check_for_duplicate_ids();
+ }
+
+ &reset_problem_globals('problem');
+
+ return $result;
+}
+
+
+sub start_library {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
+ if ($$tagstack[0] eq 'library') { &init_problem_globals('library') };
+ if ($target eq 'edit') {
+ ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
+ &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
+ $result.=$head_tag_start."".$body_tag_start.$form_tag_start.
+ &problem_edit_header();
+ my $temp=&Apache::edit::insertlist($target,$token);
+ $result.=$temp;
+ } elsif ($target eq 'modified') {
+ $result=$token->[4];
+ $result.=&Apache::edit::handle_insert();
+ } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
+ $ENV{'request.state'} eq "construct" ) {
+ ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
+ &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
+ my $name=&get_resource_name($parstack,$safeeval);
+ my $rndseed=&setup_rndseed($safeeval);
+ $result.="$head_tag_start$name
+ $body_tag_start \n $form_tag_start".
+ '';
+ $result.=&problem_web_to_edit_header($rndseed);
+ }
+ return $result;
+}
+
+sub end_library {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+ my $result='';
+ if ($target eq 'edit') {
+ $result=&problem_edit_footer();
+ } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
+ $ENV{'request.state'} eq "construct") {
+ $result.='