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Annotation of rat/lonwrapper.pm, revision 1.26

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Wrapper for external and binary files as standalone resources
                      3: #
1.26    ! albertel    4: # $Id: lonwrapper.pm,v 1.25 2006/11/30 23:35:38 banghart Exp $
1.4       www         5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: 
                     29: package Apache::lonwrapper;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
1.18      albertel   33: use Apache::lonnet;
1.2       www        34: use Apache::lonxml();
1.24      albertel   35: use Apache::lonenc();
                     36: use Apache::lonmenu();
1.1       www        37: 
                     38: # ================================================================ Main Handler
                     39: 
1.21      albertel   40: sub simple_menu {
1.12      www        41: #
                     42: # Producing the menu buttons
                     43: #
1.22      albertel   44:     return &Apache::loncommon::start_page('Menu',undef,
                     45: 					  {'only_body' => 1,
                     46: 					   'bgcolor'   => '#FFFFFF',}).
                     47: 	&Apache::lonmenu::menubuttons(1,'web',1).
                     48: 	&Apache::loncommon::end_page();
1.21      albertel   49: }
                     50: 
                     51: 
                     52: sub wrapper {
                     53:     my ($topurl,$bottomurl) = @_;
1.12      www        54: 
1.21      albertel   55:     if ($env{'browser.interface'} eq 'textual') {
1.12      www        56: #
                     57: # ssi-based rendering for text-based interface
                     58: #
1.22      albertel   59: 	return 
                     60: 	    &Apache::loncommon::start_page('Menu',undef,
                     61: 					  {'bgcolor'        => '#FFFFFF',
                     62: 					   'force_register' => 1,
                     63: 				       }).
                     64: 	    &Apache::lonnet::ssi_body($bottomurl).
                     65: 	    &Apache::loncommon::end_page();
1.21      albertel   66:     }
                     67: 
1.23      albertel   68: 
                     69:     my %layout = ('border' => 0);
1.21      albertel   70:     if ($env{'environment.remote'} eq 'off') {
1.23      albertel   71: 	$layout{'rows'} = "180,*";
1.21      albertel   72:     } else {
1.23      albertel   73: 	$layout{'rows'} = "1,*";
                     74: 	$topurl = "/adm/rat/empty.html";
                     75:     }
                     76: 
                     77:     my $start_page = 
                     78: 	&Apache::loncommon::start_page(undef,undef,
                     79: 				       {'force_register' => 1,
                     80: 					'frameset'       => 1,
                     81: 					'add_entries'    => \%layout, });
                     82: 
                     83:     my $end_page = 
                     84: 	&Apache::loncommon::end_page({'frameset' => 1});
1.24      albertel   85:     
                     86:     foreach my $url ($topurl,$bottomurl) {
                     87: 	if ($url !~ /^http:/) {
                     88: 	    $url = &Apache::lonenc::check_encrypt($url);
                     89: 	}
                     90:     }
1.9       www        91: #
                     92: # frame-based rendering for graphical interface
                     93: #
1.23      albertel   94:     my $result =<<ENDDOCUMENT;
                     95: $start_page
                     96: test
                     97: <frame src="$topurl" />
                     98: <frame src="$bottomurl" />
                     99: $end_page
1.1       www       100: ENDDOCUMENT
1.21      albertel  101: 
1.23      albertel  102:     return $result;
1.21      albertel  103: }
                    104: 
                    105: sub handler {
                    106:     my $r=shift;
                    107:     &Apache::loncommon::content_type($r,'text/html');
                    108:     $r->send_http_header;
                    109: 
                    110:     return OK if $r->header_only;
                    111: 
                    112:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    113: 					    ['wrapperdisplay']);
                    114:     if ($env{'form.wrapperdisplay'} eq 'menu') {
                    115: 	$r->print(&simple_menu());
                    116: 	return OK;
                    117:     }
                    118: 
                    119:     my $orgurl=$r->uri;
                    120:     my $url=$orgurl;
                    121:     $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
                    122:     $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
                    123:     $url=~s/^\/adm\/wrapper//;
                    124:     my $is_ext = $url =~ m|^/ext/|;
1.26    ! albertel  125:     $url=~s{^/ext/}{http://};
1.25      banghart  126:     $url=~s|http://https://|https://|;
1.21      albertel  127:     $url=~s|&colon;|:|g;
                    128: #
                    129: # Actual URL
                    130: #
                    131:     if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
                    132: #
                    133: # This is uploaded homework
                    134: #
                    135: 	$env{'request.state'}='uploaded';
                    136: 	&Apache::lonhomework::renderpage($r,$url);
                    137:     } else {
                    138: #
                    139: # This is not homework
                    140: #
                    141: 	if ($is_ext) {
                    142: 	    $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
                    143: 	}
                    144: 	$url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
                    145: 	# reappend the query arguments
                    146: 	$r->print(&wrapper($orgurl,$url));
                    147:     } # not just the menu
                    148:     return OK;
1.13      www       149: } # handler
1.1       www       150: 
                    151: 1;
                    152: __END__
                    153: 
                    154: 
                    155: 
                    156: 
                    157: 
                    158: 
                    159: