Annotation of rat/lonwrapper.pm, revision 1.19

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Wrapper for external and binary files as standalone resources
                      3: #
1.19    ! albertel    4: # $Id: lonwrapper.pm,v 1.18 2005/04/07 06:56:27 albertel Exp $
1.4       www         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: #
1.1       www        28: 
                     29: package Apache::lonwrapper;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
1.18      albertel   33: use Apache::lonnet;
1.2       www        34: use Apache::lonxml();
1.8       www        35: use Apache::lonmenu;
1.1       www        36: 
                     37: # ================================================================ Main Handler
                     38: 
                     39: sub handler {
                     40:   my $r=shift;
1.14      www        41:   &Apache::loncommon::content_type($r,'text/html');
1.1       www        42:   $r->send_http_header;
                     43: 
                     44:   return OK if $r->header_only;
                     45: 
1.12      www        46:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                     47:                                           ['wrapperdisplay']);
                     48:   my $orgurl=$r->uri;
                     49:   my $url=$orgurl;
1.15      raeburn    50:   $orgurl.=(($orgurl=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
                     51:   $orgurl.=(($orgurl=~/\?/)?'&':'?').'wrapperdisplay=menu';
1.2       www        52:   $url=~s/^\/adm\/wrapper//;
1.19    ! albertel   53:   my $is_ext = $url =~ m|^/ext/|;
1.3       www        54:   $url=~s/^\/ext\//http\:\/\//;
1.16      albertel   55:   $url=~s|:|:|g;
1.18      albertel   56:   if ($env{'form.wrapperdisplay'} eq 'menu') {
1.12      www        57: #
                     58: # Producing the menu buttons
                     59: #
                     60:       $r->print('<html><body bgcolor="#FFFFFF">'.
                     61:                 &Apache::lonmenu::menubuttons(1,'web',1).'</body></html>');
                     62:   } else {
                     63: #
                     64: # Actual URL
                     65: #
1.13      www        66:       if ($url=~/\.(problem|exam|quiz|assess|survey|form|library)$/) {
                     67: #
                     68: # This is uploaded homework
                     69: #
1.18      albertel   70:           $env{'request.state'}='uploaded';
1.13      www        71:           &Apache::lonhomework::renderpage($r,$url);
                     72:       } else {
                     73: #
                     74: # This is not homework
                     75: #
1.19    ! albertel   76: 	  if ($is_ext) {
        !            77: 	      $ENV{'QUERY_STRING'}=~s/(^|\&)symb=[^\&]*/$1/;
        !            78: 	  }
1.13      www        79: 	  $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'}; 
                     80:                                                  # reappend the query arguments
                     81: 	  my $events='onLoad="'.&Apache::lonmenu::loadevents.
                     82: 	      '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
                     83: 	  my $script=&Apache::lonmenu::registerurl(1,undef);
1.12      www        84: 
1.18      albertel   85: 	  if ($env{'browser.interface'} eq 'textual') {
1.12      www        86: #
                     87: # ssi-based rendering for text-based interface
                     88: #
1.13      www        89: 	      $r->print('<html><head>'.
                     90: 			&Apache::lonmenu::registerurl(1).
                     91: 			'</head><body bgcolor="#FFFFFF">'.
                     92: 			&Apache::lonmenu::menubuttons(1).
                     93: 			&Apache::lonnet::ssi_body($url).'</body></html>');
1.18      albertel   94: 	  } elsif ($env{'environment.remote'} eq 'off') {
1.12      www        95: #
                     96: # This is inline remote
                     97: # 
1.13      www        98: 	      $r->print(<<ENDDOCUMENTINL);
1.12      www        99: <html>
                    100: <head>
                    101: $script
                    102: </head>
                    103: <frameset rows="180,*" border=0 $events>
1.15      raeburn   104: <frame src="$orgurl">
1.12      www       105: <frame src="$url">
                    106: </frameset>
                    107: </html>
                    108: ENDDOCUMENTINL
1.13      www       109:           } else {
1.9       www       110: #
                    111: # frame-based rendering for graphical interface
                    112: #
1.12      www       113: 	  $r->print(<<ENDDOCUMENT);
1.1       www       114: <html>
                    115: <head>
1.2       www       116: $script
1.1       www       117: </head>
1.2       www       118: <frameset rows="1,*" border=0 $events>
                    119: <frame src="/adm/rat/empty.html">
1.1       www       120: <frame src="$url">
                    121: </frameset>
                    122: </html>
                    123: ENDDOCUMENT
1.13      www       124:           }
                    125:       } # not homework
                    126:   } # not just the menu
1.1       www       127:   return OK;
1.13      www       128: } # handler
1.1       www       129: 
                    130: 1;
                    131: __END__
                    132: 
                    133: 
                    134: 
                    135: 
                    136: 
                    137: 
                    138: 

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