# The LearningOnline Network with CAPA # definition of tags that give a structure to a document # # $Id: structuretags.pm,v 1.254 2004/06/03 14:28:39 www 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; 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); if ($target eq 'web') { return $bodytext; } return ''; } sub end_web { return ''; } sub start_tex { my ($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). &Apache::lonhtmlcommon::htmlareaheaders(); @Apache::lonxml::htmlareafields=(); } 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.")."