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- ENV -> env

    1: # The LearningOnline Network with CAPA
    2: # Construction Space Page Wrapper for Construction
    3: #
    4: # $Id: lonconstruct.pm,v 1.30 2005/04/07 06:56:26 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: 
   30: package Apache::lonconstruct;
   31: 
   32: 
   33: use strict;
   34: use Apache::Constants qw(:common :http :methods);
   35: use Apache::lonnet;
   36: use Apache::Log ();
   37: use HTML::Entities();
   38: 
   39: my $DEBUG = 0;
   40: =pod
   41: 
   42: =item Debug($request, $message)
   43: 
   44:   If debugging is enabled puts out a debuggin message determined by the
   45:   caller.  The debug message goes to the Apache error log file. Debugging
   46:   is enabled by ssetting the module global DEBUG variable to nonzero (TRUE).
   47: 
   48:  Parameters:
   49: 
   50: =over 4
   51:  
   52: =item $request - The curretn request operation.
   53: 
   54: =item $message - The message to put inthe log file.
   55: 
   56: =back
   57:   
   58:  Returns:
   59:    nothing.
   60: 
   61: =cut
   62: 
   63: sub Debug {
   64:   
   65:   # Marshall the parameters.
   66:   
   67:   my $r       = shift;
   68:   my $log     = $r->log;
   69:   my $message = shift;
   70:   
   71:   # Put out the indicated message butonly if DEBUG is false.
   72:   
   73:   if ($DEBUG) {
   74:     $log->debug($message);
   75:   }
   76: }
   77: 
   78: 
   79: # ================================================================ Main Handler
   80: 
   81: sub handler {
   82:    my $r=shift;
   83: 
   84: # -------------------------------------------------------------- Build frameset
   85: 
   86:    &Apache::loncommon::content_type($r,'text/html');
   87:    $r->send_http_header;
   88:    return OK if $r->header_only;
   89: 
   90:    my $lowerframe=$r->path_info;
   91:    &Debug($r, "Initial URL for lower frame: ".$lowerframe);
   92:    $lowerframe=~s/^\//\/\~/;
   93:    &Debug($r, "Lower frame URL afer ~ subst: ".$lowerframe);
   94:    $lowerframe= &HTML::Entities::encode($lowerframe,'<>&"');
   95:    &Debug($r, "Lower frame URL after quote subst: ".$lowerframe);
   96: 
   97: #
   98: # Are we forcing edit mode?
   99: #
  100: 
  101:    &Apache::loncommon::get_unprocessed_cgi
  102:         ($ENV{'QUERY_STRING'},['forceedit']);
  103:    if ($env{'form.forceedit'}) {
  104:        $lowerframe.='?editmode=Edit&problemmode=EditXML';
  105:    }	
  106:    &Apache::loncommon::get_unprocessed_cgi
  107:         ($ENV{'QUERY_STRING'},['forceColoredit']);
  108:    if ($env{'form.forceColoredit'}) {
  109:        $lowerframe.='?editmode=Edit&problemmode=Edit';
  110:    }
  111: 
  112: #
  113: # Checking to see if we should display the topframe
  114: #
  115:    my $toprows = 0;
  116:    my $topsrc = '';
  117:    if ($env{'environment.remote'} ne 'off') {
  118:        $toprows = '110';
  119:        $topsrc = '/adm/localize/adm/publisher.html';
  120:    }
  121:    my $html=&Apache::lonxml::xmlbegin();
  122:    $r->print(<<ENDPAGE);
  123: $html
  124: <head><title>LON-CAPA Construction Space</title>
  125: <script type="text/javascript">
  126: var lastknownpriv="$lowerframe";
  127: </script>
  128: </head>
  129: <frameset rows="$toprows,*" border="0">
  130: <frame src='$topsrc' />
  131: <frame src="$lowerframe" name="LONCAPAToBePublished" />
  132: </frameset>
  133: </html>
  134: ENDPAGE
  135:    return OK;
  136: }
  137: 1;
  138: __END__
  139: