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File:  [LON-CAPA] / rat / lonwrapper.pm
Revision 1.15: download - view: text, annotated - select for diffs
Thu Apr 1 18:14:24 2004 UTC (20 years, 1 month ago) by raeburn
Branches: MAIN
CVS tags: version_1_2_0, version_1_1_99_5, version_1_1_99_4, version_1_1_99_3, version_1_1_99_2, version_1_1_99_1, version_1_1_99_0, HEAD
Changes to wrapping of uploaded documents.
Now that /uploaded files are copied from the course's home server to the server hosting the session, lonwrapper no longer needs to use lontokacc to build a home server url to be put in the contents of the main frame.

    1: # The LearningOnline Network with CAPA
    2: # Wrapper for external and binary files as standalone resources
    3: #
    4: # $Id: lonwrapper.pm,v 1.15 2004/04/01 18:14:24 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: # (Edit Handler for RAT Maps
   29: # (TeX Content Handler
   30: #
   31: # 05/29/00,05/30 Gerd Kortemeyer)
   32: # 7/1,6/30 Gerd Kortemeyer)
   33: #
   34: # 7/5 Gerd Kortemeyer
   35: 
   36: package Apache::lonwrapper;
   37: 
   38: use strict;
   39: use Apache::Constants qw(:common);
   40: use Apache::lonnet();
   41: use Apache::lonxml();
   42: use Apache::lonmenu;
   43: 
   44: # ================================================================ Main Handler
   45: 
   46: sub handler {
   47:   my $r=shift;
   48:   &Apache::loncommon::content_type($r,'text/html');
   49:   $r->send_http_header;
   50: 
   51:   return OK if $r->header_only;
   52: 
   53:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   54:                                           ['wrapperdisplay']);
   55:   my $orgurl=$r->uri;
   56:   my $url=$orgurl;
   57:   $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
   58:   $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
   59:   $url=~s/^\/adm\/wrapper//;
   60:   $url=~s/^\/ext\//http\:\/\//;
   61:   if ($ENV{'form.wrapperdisplay'} eq 'menu') {
   62: #
   63: # Producing the menu buttons
   64: #
   65:       $r->print('<html><body bgcolor="#FFFFFF">'.
   66:                 &Apache::lonmenu::menubuttons(1,'web',1).'</body></html>');
   67:   } else {
   68: #
   69: # Actual URL
   70: #
   71:       if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
   72: #
   73: # This is uploaded homework
   74: #
   75:           $ENV{'request.state'}='uploaded';
   76:           &Apache::lonhomework::renderpage($r,$url);
   77:       } else {
   78: #
   79: # This is not homework
   80: #
   81: 	  $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
   82:                                                  # reappend the query arguments
   83: 	  my $events='onLoad="'.&Apache::lonmenu::loadevents.
   84: 	      '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
   85: 	  my $script=&Apache::lonmenu::registerurl(1,undef);
   86: 
   87: 	  if ($ENV{'browser.interface'} eq 'textual') {
   88: #
   89: # ssi-based rendering for text-based interface
   90: #
   91: 	      $r->print('<html><head>'.
   92: 			&Apache::lonmenu::registerurl(1).
   93: 			'</head><body bgcolor="#FFFFFF">'.
   94: 			&Apache::lonmenu::menubuttons(1).
   95: 			&Apache::lonnet::ssi_body($url).'</body></html>');
   96: 	  } elsif ($ENV{'environment.remote'} eq 'off') {
   97: #
   98: # This is inline remote
   99: # 
  100: 	      $r->print(<<ENDDOCUMENTINL);
  101: <html>
  102: <head>
  103: $script
  104: </head>
  105: <frameset rows="180,*" border=0 $events>
  106: <frame src="$orgurl">
  107: <frame src="$url">
  108: </frameset>
  109: </html>
  110: ENDDOCUMENTINL
  111:           } else {
  112: #
  113: # frame-based rendering for graphical interface
  114: #
  115: 	  $r->print(<<ENDDOCUMENT);
  116: <html>
  117: <head>
  118: $script
  119: </head>
  120: <frameset rows="1,*" border=0 $events>
  121: <frame src="/adm/rat/empty.html">
  122: <frame src="$url">
  123: </frameset>
  124: </html>
  125: ENDDOCUMENT
  126:           }
  127:       } # not homework
  128:   } # not just the menu
  129:   return OK;
  130: } # handler
  131: 
  132: 1;
  133: __END__
  134: 
  135: 
  136: 
  137: 
  138: 
  139: 
  140:
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