--- rat/lonwrapper.pm 2001/07/05 18:14:17 1.3 +++ rat/lonwrapper.pm 2008/12/19 13:47:40 1.31 @@ -1,53 +1,188 @@ # The LearningOnline Network with CAPA # Wrapper for external and binary files as standalone resources # -# (Edit Handler for RAT Maps -# (TeX Content Handler +# $Id: lonwrapper.pm,v 1.31 2008/12/19 13:47:40 raeburn Exp $ # -# 05/29/00,05/30 Gerd Kortemeyer) -# 7/1,6/30 Gerd Kortemeyer) +# Copyright Michigan State University Board of Trustees # -# 7/5 Gerd Kortemeyer +# 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::lonnet; use Apache::lonxml(); +use Apache::lonenc(); +use Apache::lonmenu(); # ================================================================ Main Handler -sub handler { - my $r=shift; - $r->content_type('text/html'); - $r->send_http_header; - - return OK if $r->header_only; - - my $url=$r->uri; - $url=~s/^\/adm\/wrapper//; - $url=~s/^\/ext\//http\:\/\//; - my $events='onLoad="'.&Apache::lonxml::loadevents. - '" onUnload="'.&Apache::lonxml::unloadevents.'"'; - my $script=&Apache::lonxml::registerurl(1); - $r->print(< - -$script - - - - - - +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 ($env{'environment.remote'} eq 'off') { + if ($env{'environment.icons'} eq 'iconsonly') { + $layout{'rows'} = "100,*"; + } else { + $layout{'rows'} = "200,*"; + } + } 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 !~ /^https?:/) { + $url = &Apache::lonenc::check_encrypt($url); + } + } +# +# frame-based rendering for graphical interface +# + my $result =< + +$end_page ENDDOCUMENT - return OK; + + 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__ +=pod + +=head1 NAME + +Apache::lonwrapper - External and binary file management. + +=head1 SYNOPSIS + +Wrapper for external and binary files as standalone resources. Edit handler for rat maps; TeX content handler. + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + +=head1 Subroutines + +=over + +=item simple_menu() + +=item wrapper() + +=item handler() + +=back + +=cut +