# The LearningOnline Network with CAPA # Wrapper for external and binary files as standalone resources # # $Id: lonwrapper.pm,v 1.26 2006/12/20 22:42:48 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::lonwrapper; use strict; use Apache::Constants qw(:common); use Apache::lonnet; use Apache::lonxml(); use Apache::lonenc(); use Apache::lonmenu(); # ================================================================ Main Handler sub simple_menu { # # Producing the menu buttons # return &Apache::loncommon::start_page('Menu',undef, {'only_body' => 1, 'bgcolor' => '#FFFFFF',}). &Apache::lonmenu::menubuttons(1,'web',1). &Apache::loncommon::end_page(); } sub wrapper { my ($topurl,$bottomurl) = @_; if ($env{'browser.interface'} eq 'textual') { # # ssi-based rendering for text-based interface # return &Apache::loncommon::start_page('Menu',undef, {'bgcolor' => '#FFFFFF', 'force_register' => 1, }). &Apache::lonnet::ssi_body($bottomurl). &Apache::loncommon::end_page(); } my %layout = ('border' => 0); if ($env{'environment.remote'} eq 'off') { $layout{'rows'} = "180,*"; } else { $layout{'rows'} = "1,*"; $topurl = "/adm/rat/empty.html"; } my $start_page = &Apache::loncommon::start_page(undef,undef, {'force_register' => 1, 'frameset' => 1, 'add_entries' => \%layout, }); my $end_page = &Apache::loncommon::end_page({'frameset' => 1}); foreach my $url ($topurl,$bottomurl) { if ($url !~ /^http:/) { $url = &Apache::lonenc::check_encrypt($url); } } # # frame-based rendering for graphical interface # my $result =< $end_page ENDDOCUMENT return $result; } sub handler { my $r=shift; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['wrapperdisplay']); if ($env{'form.wrapperdisplay'} eq 'menu') { $r->print(&simple_menu()); return OK; } my $orgurl=$r->uri; my $url=$orgurl; $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu'; $url=~s/^\/adm\/wrapper//; my $is_ext = $url =~ m|^/ext/|; $url=~s{^/ext/}{http://}; $url=~s|http://https://|https://|; $url=~s|:|:|g; # # Actual URL # if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { # # This is uploaded homework # $env{'request.state'}='uploaded'; &Apache::lonhomework::renderpage($r,$url); } else { # # This is not homework # if ($is_ext) { $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/; } $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; # reappend the query arguments $r->print(&wrapper($orgurl,$url)); } # not just the menu return OK; } # handler 1; __END__