Annotation of rat/lonwrapper.pm, revision 1.37

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Wrapper for external and binary files as standalone resources
                      3: #
1.37    ! raeburn     4: # $Id: lonwrapper.pm,v 1.36 2009/10/21 23:47:11 raeburn 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: 
1.1       www        30: package Apache::lonwrapper;
                     31: 
                     32: use strict;
                     33: use Apache::Constants qw(:common);
1.18      albertel   34: use Apache::lonnet;
1.2       www        35: use Apache::lonxml();
1.24      albertel   36: use Apache::lonenc();
                     37: use Apache::lonmenu();
1.1       www        38: 
                     39: # ================================================================ Main Handler
                     40: 
1.21      albertel   41: sub simple_menu {
1.12      www        42: #
                     43: # Producing the menu buttons
                     44: #
1.22      albertel   45:     return &Apache::loncommon::start_page('Menu',undef,
                     46: 					  {'only_body' => 1,
                     47: 					   'bgcolor'   => '#FFFFFF',}).
                     48: 	&Apache::lonmenu::menubuttons(1,'web',1).
                     49: 	&Apache::loncommon::end_page();
1.21      albertel   50: }
                     51: 
                     52: 
                     53: sub wrapper {
                     54:     my ($topurl,$bottomurl) = @_;
1.12      www        55: 
1.23      albertel   56:     my %layout = ('border' => 0);
1.21      albertel   57:     if ($env{'environment.remote'} eq 'off') {
1.37    ! raeburn    58:         if (($env{'request.course.id'}) &&
        !            59:             (&Apache::lonnet::allowed('opa',$env{'request.course.id'}.
        !            60:              ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
        !            61:             $layout{'rows'} = "135,*";
1.28      www        62:         } else {
1.37    ! raeburn    63:             $layout{'rows'} = "100,*";
1.28      www        64:         }
1.21      albertel   65:     } else {
1.23      albertel   66: 	$layout{'rows'} = "1,*";
                     67: 	$topurl = "/adm/rat/empty.html";
                     68:     }
                     69: 
                     70:     my $start_page = 
                     71: 	&Apache::loncommon::start_page(undef,undef,
                     72: 				       {'force_register' => 1,
                     73: 					'frameset'       => 1,
                     74: 					'add_entries'    => \%layout, });
                     75: 
                     76:     my $end_page = 
                     77: 	&Apache::loncommon::end_page({'frameset' => 1});
1.24      albertel   78:     
                     79:     foreach my $url ($topurl,$bottomurl) {
1.32      raeburn    80: 	if ($url !~ /^https?\:/) {
1.24      albertel   81: 	    $url = &Apache::lonenc::check_encrypt($url);
                     82: 	}
                     83:     }
1.9       www        84: #
                     85: # frame-based rendering for graphical interface
                     86: #
1.23      albertel   87:     my $result =<<ENDDOCUMENT;
                     88: $start_page
                     89: test
                     90: <frame src="$topurl" />
                     91: <frame src="$bottomurl" />
                     92: $end_page
1.1       www        93: ENDDOCUMENT
1.21      albertel   94: 
1.23      albertel   95:     return $result;
1.21      albertel   96: }
                     97: 
                     98: sub handler {
                     99:     my $r=shift;
                    100:     &Apache::loncommon::content_type($r,'text/html');
                    101:     $r->send_http_header;
                    102: 
                    103:     return OK if $r->header_only;
                    104: 
                    105:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    106: 					    ['wrapperdisplay']);
                    107:     if ($env{'form.wrapperdisplay'} eq 'menu') {
                    108: 	$r->print(&simple_menu());
                    109: 	return OK;
                    110:     }
                    111: 
                    112:     my $orgurl=$r->uri;
                    113:     my $url=$orgurl;
                    114:     $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
                    115:     $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
                    116:     $url=~s/^\/adm\/wrapper//;
                    117:     my $is_ext = $url =~ m|^/ext/|;
1.26      albertel  118:     $url=~s{^/ext/}{http://};
1.25      banghart  119:     $url=~s|http://https://|https://|;
1.21      albertel  120:     $url=~s|&colon;|:|g;
                    121: #
                    122: # Actual URL
                    123: #
                    124:     if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
                    125: #
                    126: # This is uploaded homework
                    127: #
                    128: 	$env{'request.state'}='uploaded';
                    129: 	&Apache::lonhomework::renderpage($r,$url);
                    130:     } else {
                    131: #
                    132: # This is not homework
                    133: #
                    134: 	if ($is_ext) {
                    135: 	    $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
1.34      raeburn   136:             $ENV{'QUERY_STRING'} =~ s/\&$//;  
1.21      albertel  137: 	}
1.35      raeburn   138:         unless ($ENV{'QUERY_STRING'} eq '') {
                    139: 	    $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
                    140:         }
1.21      albertel  141: 	# reappend the query arguments
                    142: 	$r->print(&wrapper($orgurl,$url));
                    143:     } # not just the menu
                    144:     return OK;
1.13      www       145: } # handler
1.1       www       146: 
                    147: 1;
                    148: __END__
                    149: 
1.30      jms       150: =pod
1.1       www       151: 
1.30      jms       152: =head1 NAME
                    153: 
                    154: Apache::lonwrapper - External and binary file management.
                    155: 
                    156: =head1 SYNOPSIS
                    157: 
                    158: Wrapper for external and binary files as standalone resources. Edit handler for rat maps; TeX content handler.
                    159: 
                    160: This is part of the LearningOnline Network with CAPA project
                    161: described at http://www.lon-capa.org.
                    162: 
                    163: =head1 Subroutines
                    164: 
                    165: =over
                    166: 
                    167: =item simple_menu()
                    168: 
                    169: =item wrapper()
                    170: 
                    171: =item handler()
                    172: 
                    173: =back
                    174: 
                    175: =cut
1.1       www       176: 
                    177: 
                    178: 
                    179: 
                    180: 
1.29      jms       181: 
                    182: 

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