# The LearningOnline Network with CAPA # Wrapper for external and binary files as standalone resources # # $Id: lonwrapper.pm,v 1.69 2019/05/02 02:12:31 raeburn 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::lonenc(); use Apache::lonnet; use Apache::lonlocal; use Apache::loncommon(); use Apache::lonhtmlcommon(); use Apache::lonextresedit(); use Apache::lonexttool(); use Apache::lonhomework(); use LONCAPA qw(:DEFAULT :match); use HTML::Entities(); # ================================================================ Main Handler sub wrapper { my ($r,$url,$brcrum,$absolute,$is_ext,$is_pdf,$exttool,$linktext,$explanation, $title,$width,$height) = @_; my $forcereg; unless ($env{'form.folderpath'}) { $forcereg = 1; } my %lt = &Apache::lonlocal::texthash( 'noif' => 'No iframe support.', 'show' => 'Show content in pop-up window', ); my ($anchor,$uselink); if ($is_ext) { if ($env{'form.symb'}) { (undef,undef,my $res) = &Apache::lonnet::decode_symb($env{'form.symb'}); if ($res =~ /(#[^#]+)$/) { $anchor = $1; } } elsif ($env{'form.anchor'} ne '') { $anchor = '#'.$env{'form.anchor'}; } unless (($is_pdf) && ($env{'browser.mobile'})) { my $hostname = $r->hostname(); my $lonhost = $r->dir_config('lonHostID'); my $ip = &Apache::lonnet::get_host_ip($lonhost); $uselink = &Apache::loncommon::is_nonframeable($url,$absolute,$hostname,$ip); } } my $noiframe = &Apache::loncommon::modal_link($url.$anchor,$lt{'show'},500,400); my $args = {'bgcolor' => '#FFFFFF'}; if ($forcereg) { $args->{'force_register'} = $forcereg; } if (ref($brcrum) eq 'ARRAY') { $args->{'bread_crumbs'} = $brcrum; } if ($absolute) { $args->{'use_absolute'} = $absolute; } if ($env{'form.only_body'}) { $args->{'only_body'} = $env{'form.only_body'}; } my ($countdown,$donemsg); if (($exttool) && (&Apache::lonnet::EXT('resource.0.gradable') =~ /^yes$/i)) { $Apache::lonhomework::browse = &Apache::lonnet::allowed('bre',$url); if ($env{'form.markaccess'}) { my $symb=&Apache::lonnet::symbread($url); my @interval=&Apache::lonnet::EXT('resource.0.interval',$symb); my ($timelimit) = split(/_/,$interval[0]); my $setres = &Apache::lonnet::set_first_access($interval[1],$timelimit); if ($setres eq 'ok') { delete($env{'form.markaccess'}); } } elsif ($env{'form.LC_interval_done'} eq 'true') { my $symb=&Apache::lonnet::symbread($url); if ($symb) { (my $donebuttonresult,$donemsg) = &Apache::lonhomework::zero_timer($symb); undef($env{'form.LC_interval_done'}); undef($env{'form.LC_interval_done_proctorpass'}); } } my ($status,$result,$resource_due) = &Apache::lonexttool::gradabletool_access_check(); undef($Apache::lonhomework::browse); if ($status eq 'CAN_ANSWER') { if ($resource_due) { my $time_left = $resource_due - time(); if ($resource_due && ($time_left > 0)) { $countdown =' '."\n". &Apache::lonhtmlcommon::set_due_date($resource_due); } } } else { if ($status eq 'SHOW_ANSWER') { $result = &Apache::lonexttool::display_score(). &Apache::lonfeedback::list_discussion('tool','OPEN'); } return &Apache::loncommon::start_page('Menu',undef,$args). $result. &Apache::loncommon::end_page(); } } my $startpage = &Apache::loncommon::start_page('Menu',undef,$args).$countdown.$donemsg; my $endpage = &Apache::loncommon::end_page(); if (($uselink) && ($title eq '')) { if ($env{'form.symb'}) { $title=&Apache::lonnet::gettitle($env{'form.symb'}); } else { my $symb=&Apache::lonnet::symbread($r->uri); if ($symb) { $title=&Apache::lonnet::gettitle($symb); } } } if (($env{'browser.mobile'}) || ($exttool eq 'window') || ($exttool eq 'tab')) { my $output = $startpage; if ($is_pdf) { $linktext = &mt('Link to PDF (for mobile devices)'); $output .= &create_link($url,$anchor,$title,$linktext); } elsif (($exttool eq 'window') || ($exttool eq 'tab')) { if ($linktext eq '') { $linktext = &mt('Launch External Tool'); } $url = &HTML::Entities::encode($url,'"<>&'); if ($exttool eq 'tab') { $output .= '