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File:  [LON-CAPA] / rat / lonwrapper.pm
Revision 1.13: download - view: text, annotated - select for diffs
Tue May 13 15:13:17 2003 UTC (20 years, 11 months ago) by www
Branches: MAIN
CVS tags: version_1_0_3, version_1_0_2, version_1_0_1, version_1_0_0, version_0_99_5, version_0_99_4, version_0_99_3, version_0_99_2, version_0_99_1, version_0_99_0, conference_2003, HEAD
Handle homework rendering through the wrapper.

    1: # The LearningOnline Network with CAPA
    2: # Wrapper for external and binary files as standalone resources
    3: #
    4: # $Id: lonwrapper.pm,v 1.13 2003/05/13 15:13:17 www 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:   $r->content_type('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:   $url=~s/^\/adm\/wrapper//;
   58:   $url=~s/^\/ext\//http\:\/\//;
   59:   if ($ENV{'form.wrapperdisplay'} eq 'menu') {
   60: #
   61: # Producing the menu buttons
   62: #
   63:       $r->print('<html><body bgcolor="#FFFFFF">'.
   64:                 &Apache::lonmenu::menubuttons(1,'web',1).'</body></html>');
   65:   } else {
   66: #
   67: # Actual URL
   68: #
   69:       if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
   70: #
   71: # This is uploaded homework
   72: #
   73:           $ENV{'request.state'}='uploaded';
   74:           &Apache::lonhomework::renderpage($r,$url);
   75:       } else {
   76: #
   77: # This is not homework
   78: #
   79: 	  if ($url=~/^\/uploaded\//) {
   80: 	      $url=&Apache::lonnet::tokenwrapper($url);
   81: 	  }
   82: 	  $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
   83:                                                  # reappend the query arguments
   84: 	  my $events='onLoad="'.&Apache::lonmenu::loadevents.
   85: 	      '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
   86: 	  my $script=&Apache::lonmenu::registerurl(1,undef);
   87: 
   88: 	  if ($ENV{'browser.interface'} eq 'textual') {
   89: #
   90: # ssi-based rendering for text-based interface
   91: #
   92: 	      $r->print('<html><head>'.
   93: 			&Apache::lonmenu::registerurl(1).
   94: 			'</head><body bgcolor="#FFFFFF">'.
   95: 			&Apache::lonmenu::menubuttons(1).
   96: 			&Apache::lonnet::ssi_body($url).'</body></html>');
   97: 	  } elsif ($ENV{'environment.remote'} eq 'off') {
   98: #
   99: # This is inline remote
  100: # 
  101: 	      $r->print(<<ENDDOCUMENTINL);
  102: <html>
  103: <head>
  104: $script
  105: </head>
  106: <frameset rows="180,*" border=0 $events>
  107: <frame src="$orgurl?wrapperdisplay=menu">
  108: <frame src="$url">
  109: </frameset>
  110: </html>
  111: ENDDOCUMENTINL
  112:           } else {
  113: #
  114: # frame-based rendering for graphical interface
  115: #
  116: 	  $r->print(<<ENDDOCUMENT);
  117: <html>
  118: <head>
  119: $script
  120: </head>
  121: <frameset rows="1,*" border=0 $events>
  122: <frame src="/adm/rat/empty.html">
  123: <frame src="$url">
  124: </frameset>
  125: </html>
  126: ENDDOCUMENT
  127:           }
  128:       } # not homework
  129:   } # not just the menu
  130:   return OK;
  131: } # handler
  132: 
  133: 1;
  134: __END__
  135: 
  136: 
  137: 
  138: 
  139: 
  140: 
  141:
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