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File:  [LON-CAPA] / rat / lonwrapper.pm
Revision 1.12: download - view: text, annotated - select for diffs
Tue Apr 15 03:53:03 2003 UTC (21 years ago) by www
Branches: MAIN
CVS tags: HEAD
Attempt to do the inline remote for "wrapped" pages without doing ssi.

    1: # The LearningOnline Network with CAPA
    2: # Wrapper for external and binary files as standalone resources
    3: #
    4: # $Id: lonwrapper.pm,v 1.12 2003/04/15 03:53:03 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=~/^\/uploaded\//) {
   70: 	  $url=&Apache::lonnet::tokenwrapper($url);
   71:       }
   72:       $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; #reappend the query arguments
   73:       my $events='onLoad="'.&Apache::lonmenu::loadevents.
   74: 	  '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
   75:       my $script=&Apache::lonmenu::registerurl(1,undef);
   76: 
   77:       if ($ENV{'browser.interface'} eq 'textual') {
   78: #
   79: # ssi-based rendering for text-based interface
   80: #
   81: 	  $r->print('<html><head>'.
   82:                 &Apache::lonmenu::registerurl(1).
   83:                 '</head><body bgcolor="#FFFFFF">'.
   84:                 &Apache::lonmenu::menubuttons(1).
   85:                 &Apache::lonnet::ssi_body($url).'</body></html>');
   86:       } elsif ($ENV{'environment.remote'} eq 'off') {
   87: #
   88: # This is inline remote
   89: # 
   90: 	  $r->print(<<ENDDOCUMENTINL);
   91: <html>
   92: <head>
   93: $script
   94: </head>
   95: <frameset rows="180,*" border=0 $events>
   96: <frame src="$orgurl?wrapperdisplay=menu">
   97: <frame src="$url">
   98: </frameset>
   99: </html>
  100: ENDDOCUMENTINL
  101:       } else {
  102: #
  103: # frame-based rendering for graphical interface
  104: #
  105: 	  $r->print(<<ENDDOCUMENT);
  106: <html>
  107: <head>
  108: $script
  109: </head>
  110: <frameset rows="1,*" border=0 $events>
  111: <frame src="/adm/rat/empty.html">
  112: <frame src="$url">
  113: </frameset>
  114: </html>
  115: ENDDOCUMENT
  116:       }
  117:   }
  118:   return OK;
  119: }
  120: 
  121: 1;
  122: __END__
  123: 
  124: 
  125: 
  126: 
  127: 
  128: 
  129:
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