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- xhtml
  - Although LC_head_subbox was originally intended to occur only once
    on a page, it may occur multiple times (e.g., CSTR).
  - Converting from id to class to allow multiple instances.

    1: # The LearningOnline Network with CAPA
    2: # Wrapper for external and binary files as standalone resources
    3: #
    4: # $Id: lonwrapper.pm,v 1.40 2011/01/03 14:19:41 raeburn Exp $
    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: #
   28: 
   29: 
   30: package Apache::lonwrapper;
   31: 
   32: use strict;
   33: use Apache::Constants qw(:common);
   34: use Apache::lonenc();
   35: use Apache::lonnet;
   36: 
   37: # ================================================================ Main Handler
   38: sub wrapper {
   39:     my $url = shift;
   40: 
   41:     my $startpage =  Apache::loncommon::start_page('Menu',undef,
   42: 					  { 'force_register' =>1, 'bgcolor'   => '#FFFFFF',}) ;
   43:     my $endpage =  Apache::loncommon::end_page();
   44: 
   45:     my $script = Apache::lonhtmlcommon::scripttag(<<SCRIPT );
   46:     \$(document).ready( function() {
   47:         \$(window).unbind('resize').resize(function(){
   48:             var header = \$('.LC_head_subbox')[0] ?  \$('.LC_head_subbox') 
   49:                                                   :  \$('#LC_breadcrumbs');
   50:             var pos = header.height() + header.position().top + 5;
   51:             \$('.LC_iframecontainer').css('top', pos);
   52:         });
   53:     });
   54:     window.onload = function(){  \$(window).trigger('resize') }; 
   55: SCRIPT
   56: 
   57:     # javascript will position the iframe if window was resized (or zoomed)
   58:     return <<ENDFRAME;
   59:     $startpage
   60:     $script
   61:     <div class="LC_iframecontainer">
   62:         <iframe src="$url">No iframe support!</iframe>
   63:     </div>
   64:     $endpage
   65: ENDFRAME
   66: }
   67: 
   68: sub handler {
   69:     my $r=shift;
   70:     &Apache::loncommon::content_type($r,'text/html');
   71:     $r->send_http_header;
   72: 
   73:     return OK if $r->header_only;
   74: 
   75:     my $url = $r->uri;
   76:     my $is_ext;
   77: 
   78:     for ($url){
   79:         s|^/adm/wrapper||;
   80:         $is_ext = $_ =~ s|^/ext/|http://|;         
   81:         s|http://https://|https://|;
   82:         s|&colon;|:|g;              
   83:     }
   84: 
   85: #
   86: # Actual URL
   87: #
   88:     if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
   89: #
   90: # This is uploaded homework
   91: #
   92:         $env{'request.state'}='uploaded';
   93:         &Apache::lonhomework::renderpage($r,$url);
   94:     } else {
   95: #
   96: # This is not homework
   97: #
   98:         if ($is_ext) {
   99:             $ENV{'QUERY_STRING'} =~ s/(^|\&)symb=[^\&]*/$1/;
  100:             $ENV{'QUERY_STRING'} =~ s/\&$//;  
  101:         }
  102: 
  103:         unless ($ENV{'QUERY_STRING'} eq '') {
  104:             $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
  105:         }
  106: 
  107:         # encrypt url if not external
  108:         &Apache::lonenc::check_encrypt(\$url) if $url !~ /^https?\:/ ;
  109: 
  110:         $r->print( wrapper($url) );
  111: 
  112:     } # not just the menu
  113:     
  114:     return OK;
  115: } # handler
  116: 
  117: 1;
  118: __END__
  119: 
  120: =pod
  121: 
  122: =head1 NAME
  123: 
  124: Apache::lonwrapper - External and binary file management.
  125: 
  126: =head1 SYNOPSIS
  127: 
  128: Wrapper for external and binary files as standalone resources. Edit handler for rat maps; TeX content handler.
  129: 
  130: This is part of the LearningOnline Network with CAPA project
  131: described at http://www.lon-capa.org.
  132: 
  133: =head1 Subroutines
  134: 
  135: =over
  136: 
  137: =item wrapper($url)
  138: 
  139: Wraps $url in an iframe and generates a page for it.
  140: Returns markup for the entire page.
  141: 
  142: =item handler()
  143: 
  144: =back
  145: 
  146: =cut
  147: 
  148: 
  149: 
  150: 
  151: 
  152: 
  153: 

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