# The LearningOnline Network with CAPA # definition of tags that give a structure to a document # # $Id: structuretags.pm,v 1.335 2006/02/16 01:58:54 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; 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,$style)=@_; my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style); if ($target eq 'web') { return $bodytext; } return ''; } sub end_web { return ''; } sub start_tex { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style); if ($target eq 'tex') { return $bodytext.' '; } return $result;; } sub end_tex { return ''; } sub body_tag_start { my ($target,$background,$bgcolor)=@_; my $body_tag_start=''; } if ($target eq 'edit') { $head_tag_start.=&Apache::edit::js_change_detection(); } } my $body_tag_start; if (!defined($found{'body'}) && $env{'request.state'} eq 'construct') { if ($env{'environment.remote'} eq 'off') { if ($target eq 'web' || $target eq 'edit') { $body_tag_start=&Apache::loncommon::bodytag(); $body_tag_start.=&Apache::lonxml::message_location(); } } else { if ($target eq 'web' || $target eq 'edit') { $body_tag_start=&Apache::loncommon::bodytag(undef,undef,undef,1); $body_tag_start.=&Apache::lonxml::message_location(); } } } elsif (!defined($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='
'; } sub problem_edit_header { return ''. &Apache::structuretags::remember_problem_state().'
'. &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help') .'
'. '
'; } sub problem_edit_footer { return '

'. &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields). "\n
\n".&Apache::loncommon::endbodytag()."\n"; } sub option { my ($value,$name) = @_; my $result ="