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File:  [LON-CAPA] / rat / lonwrapper.pm
Revision 1.17: download - view: text, annotated - select for diffs
Thu Feb 17 09:09:57 2005 UTC (19 years, 2 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- more $r->content_type eradication

    1: # The LearningOnline Network with CAPA
    2: # Wrapper for external and binary files as standalone resources
    3: #
    4: # $Id: lonwrapper.pm,v 1.17 2005/02/17 09:09:57 albertel 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: package Apache::lonwrapper;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::lonnet();
   34: use Apache::lonxml();
   35: use Apache::lonmenu;
   36: 
   37: # ================================================================ Main Handler
   38: 
   39: sub handler {
   40:   my $r=shift;
   41:   &Apache::loncommon::content_type($r,'text/html');
   42:   $r->send_http_header;
   43: 
   44:   return OK if $r->header_only;
   45: 
   46:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   47:                                           ['wrapperdisplay']);
   48:   my $orgurl=$r->uri;
   49:   my $url=$orgurl;
   50:   $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
   51:   $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
   52:   $url=~s/^\/adm\/wrapper//;
   53:   $url=~s/^\/ext\//http\:\/\//;
   54:   $url=~s|:|:|g;
   55:   if ($ENV{'form.wrapperdisplay'} eq 'menu') {
   56: #
   57: # Producing the menu buttons
   58: #
   59:       $r->print('<html><body bgcolor="#FFFFFF">'.
   60:                 &Apache::lonmenu::menubuttons(1,'web',1).'</body></html>');
   61:   } else {
   62: #
   63: # Actual URL
   64: #
   65:       if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
   66: #
   67: # This is uploaded homework
   68: #
   69:           $ENV{'request.state'}='uploaded';
   70:           &Apache::lonhomework::renderpage($r,$url);
   71:       } else {
   72: #
   73: # This is not homework
   74: #
   75: 	  $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
   76:                                                  # reappend the query arguments
   77: 	  my $events='onLoad="'.&Apache::lonmenu::loadevents.
   78: 	      '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
   79: 	  my $script=&Apache::lonmenu::registerurl(1,undef);
   80: 
   81: 	  if ($ENV{'browser.interface'} eq 'textual') {
   82: #
   83: # ssi-based rendering for text-based interface
   84: #
   85: 	      $r->print('<html><head>'.
   86: 			&Apache::lonmenu::registerurl(1).
   87: 			'</head><body bgcolor="#FFFFFF">'.
   88: 			&Apache::lonmenu::menubuttons(1).
   89: 			&Apache::lonnet::ssi_body($url).'</body></html>');
   90: 	  } elsif ($ENV{'environment.remote'} eq 'off') {
   91: #
   92: # This is inline remote
   93: # 
   94: 	      $r->print(<<ENDDOCUMENTINL);
   95: <html>
   96: <head>
   97: $script
   98: </head>
   99: <frameset rows="180,*" border=0 $events>
  100: <frame src="$orgurl">
  101: <frame src="$url">
  102: </frameset>
  103: </html>
  104: ENDDOCUMENTINL
  105:           } else {
  106: #
  107: # frame-based rendering for graphical interface
  108: #
  109: 	  $r->print(<<ENDDOCUMENT);
  110: <html>
  111: <head>
  112: $script
  113: </head>
  114: <frameset rows="1,*" border=0 $events>
  115: <frame src="/adm/rat/empty.html">
  116: <frame src="$url">
  117: </frameset>
  118: </html>
  119: ENDDOCUMENT
  120:           }
  121:       } # not homework
  122:   } # not just the menu
  123:   return OK;
  124: } # handler
  125: 
  126: 1;
  127: __END__
  128: 
  129: 
  130: 
  131: 
  132: 
  133: 
  134:
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