Annotation of rat/lonwrapper.pm, revision 1.17

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Wrapper for external and binary files as standalone resources
                      3: #
1.17    ! albertel    4: # $Id: lonwrapper.pm,v 1.16 2004/09/18 16:32:17 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);
1.2       www        33: use Apache::lonnet();
                     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//;
1.3       www        53:   $url=~s/^\/ext\//http\:\/\//;
1.16      albertel   54:   $url=~s|:|:|g;
1.12      www        55:   if ($ENV{'form.wrapperdisplay'} eq 'menu') {
                     56: #
                     57: # Producing the menu buttons
                     58: #
                     59:       $r->print('<html><body bgcolor="#FFFFFF">'.
                     60:                 &Apache::lonmenu::menubuttons(1,'web',1).'</body></html>');
                     61:   } else {
                     62: #
                     63: # Actual URL
                     64: #
1.13      www        65:       if ($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 $script=&Apache::lonmenu::registerurl(1,undef);
1.12      www        80: 
1.13      www        81: 	  if ($ENV{'browser.interface'} eq 'textual') {
1.12      www        82: #
                     83: # ssi-based rendering for text-based interface
                     84: #
1.13      www        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') {
1.12      www        91: #
                     92: # This is inline remote
                     93: # 
1.13      www        94: 	      $r->print(<<ENDDOCUMENTINL);
1.12      www        95: <html>
                     96: <head>
                     97: $script
                     98: </head>
                     99: <frameset rows="180,*" border=0 $events>
1.15      raeburn   100: <frame src="$orgurl">
1.12      www       101: <frame src="$url">
                    102: </frameset>
                    103: </html>
                    104: ENDDOCUMENTINL
1.13      www       105:           } else {
1.9       www       106: #
                    107: # frame-based rendering for graphical interface
                    108: #
1.12      www       109: 	  $r->print(<<ENDDOCUMENT);
1.1       www       110: <html>
                    111: <head>
1.2       www       112: $script
1.1       www       113: </head>
1.2       www       114: <frameset rows="1,*" border=0 $events>
                    115: <frame src="/adm/rat/empty.html">
1.1       www       116: <frame src="$url">
                    117: </frameset>
                    118: </html>
                    119: ENDDOCUMENT
1.13      www       120:           }
                    121:       } # not homework
                    122:   } # not just the menu
1.1       www       123:   return OK;
1.13      www       124: } # handler
1.1       www       125: 
                    126: 1;
                    127: __END__
                    128: 
                    129: 
                    130: 
                    131: 
                    132: 
                    133: 
                    134: 

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