Annotation of rat/lonwrapper.pm, revision 1.29

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Wrapper for external and binary files as standalone resources
                      3: #
1.29    ! jms         4: # $Id: lonwrapper.pm,v 1.28 2008/03/03 19:57:28 www 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: 
1.29    ! jms        29: =pod
        !            30: 
        !            31: =head1 NAME
        !            32: 
        !            33: Apache::lonwrapper - External and binary file management.
        !            34: 
        !            35: =head1 SYNOPSIS
        !            36: 
        !            37: Wrapper for external and binary files as standalone resources. Edit handler for rat maps; TeX content handler.
        !            38: 
        !            39: This is part of the LearningOnline Network with CAPA project
        !            40: described at http://www.lon-capa.org.
        !            41: 
        !            42: =head2 Subroutines
        !            43: 
        !            44: =cut
        !            45: 
        !            46: 
1.1       www        47: package Apache::lonwrapper;
                     48: 
                     49: use strict;
                     50: use Apache::Constants qw(:common);
1.18      albertel   51: use Apache::lonnet;
1.2       www        52: use Apache::lonxml();
1.24      albertel   53: use Apache::lonenc();
                     54: use Apache::lonmenu();
1.1       www        55: 
                     56: # ================================================================ Main Handler
                     57: 
1.21      albertel   58: sub simple_menu {
1.12      www        59: #
                     60: # Producing the menu buttons
                     61: #
1.22      albertel   62:     return &Apache::loncommon::start_page('Menu',undef,
                     63: 					  {'only_body' => 1,
                     64: 					   'bgcolor'   => '#FFFFFF',}).
                     65: 	&Apache::lonmenu::menubuttons(1,'web',1).
                     66: 	&Apache::loncommon::end_page();
1.21      albertel   67: }
                     68: 
                     69: 
                     70: sub wrapper {
                     71:     my ($topurl,$bottomurl) = @_;
1.12      www        72: 
1.21      albertel   73:     if ($env{'browser.interface'} eq 'textual') {
1.12      www        74: #
                     75: # ssi-based rendering for text-based interface
                     76: #
1.22      albertel   77: 	return 
                     78: 	    &Apache::loncommon::start_page('Menu',undef,
                     79: 					  {'bgcolor'        => '#FFFFFF',
                     80: 					   'force_register' => 1,
                     81: 				       }).
                     82: 	    &Apache::lonnet::ssi_body($bottomurl).
                     83: 	    &Apache::loncommon::end_page();
1.21      albertel   84:     }
                     85: 
1.23      albertel   86: 
                     87:     my %layout = ('border' => 0);
1.21      albertel   88:     if ($env{'environment.remote'} eq 'off') {
1.28      www        89:         if ($env{'environment.icons'} eq 'iconsonly') {
                     90:            $layout{'rows'} = "100,*";
                     91:         } else {
                     92: 	   $layout{'rows'} = "200,*";
                     93:         }
1.21      albertel   94:     } else {
1.23      albertel   95: 	$layout{'rows'} = "1,*";
                     96: 	$topurl = "/adm/rat/empty.html";
                     97:     }
                     98: 
                     99:     my $start_page = 
                    100: 	&Apache::loncommon::start_page(undef,undef,
                    101: 				       {'force_register' => 1,
                    102: 					'frameset'       => 1,
                    103: 					'add_entries'    => \%layout, });
                    104: 
                    105:     my $end_page = 
                    106: 	&Apache::loncommon::end_page({'frameset' => 1});
1.24      albertel  107:     
                    108:     foreach my $url ($topurl,$bottomurl) {
                    109: 	if ($url !~ /^http:/) {
                    110: 	    $url = &Apache::lonenc::check_encrypt($url);
                    111: 	}
                    112:     }
1.9       www       113: #
                    114: # frame-based rendering for graphical interface
                    115: #
1.23      albertel  116:     my $result =<<ENDDOCUMENT;
                    117: $start_page
                    118: test
                    119: <frame src="$topurl" />
                    120: <frame src="$bottomurl" />
                    121: $end_page
1.1       www       122: ENDDOCUMENT
1.21      albertel  123: 
1.23      albertel  124:     return $result;
1.21      albertel  125: }
                    126: 
                    127: sub handler {
                    128:     my $r=shift;
                    129:     &Apache::loncommon::content_type($r,'text/html');
                    130:     $r->send_http_header;
                    131: 
                    132:     return OK if $r->header_only;
                    133: 
                    134:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    135: 					    ['wrapperdisplay']);
                    136:     if ($env{'form.wrapperdisplay'} eq 'menu') {
                    137: 	$r->print(&simple_menu());
                    138: 	return OK;
                    139:     }
                    140: 
                    141:     my $orgurl=$r->uri;
                    142:     my $url=$orgurl;
                    143:     $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
                    144:     $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
                    145:     $url=~s/^\/adm\/wrapper//;
                    146:     my $is_ext = $url =~ m|^/ext/|;
1.26      albertel  147:     $url=~s{^/ext/}{http://};
1.25      banghart  148:     $url=~s|http://https://|https://|;
1.21      albertel  149:     $url=~s|&colon;|:|g;
                    150: #
                    151: # Actual URL
                    152: #
                    153:     if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
                    154: #
                    155: # This is uploaded homework
                    156: #
                    157: 	$env{'request.state'}='uploaded';
                    158: 	&Apache::lonhomework::renderpage($r,$url);
                    159:     } else {
                    160: #
                    161: # This is not homework
                    162: #
                    163: 	if ($is_ext) {
                    164: 	    $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
                    165: 	}
                    166: 	$url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
                    167: 	# reappend the query arguments
                    168: 	$r->print(&wrapper($orgurl,$url));
                    169:     } # not just the menu
                    170:     return OK;
1.13      www       171: } # handler
1.1       www       172: 
                    173: 1;
                    174: __END__
                    175: 
                    176: 
                    177: 
                    178: 
                    179: 
                    180: 
                    181: 
1.29    ! jms       182: 
        !           183: 

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