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Annotation of loncom/publisher/lonconstruct.pm, revision 1.27

1.1       www         1: # The LearningOnline Network with CAPA
1.6       albertel    2: # Construction Space Page Wrapper for Construction
                      3: #
1.27    ! raeburn     4: # $Id: lonconstruct.pm,v 1.26 2004/12/10 14:57:47 raeburn Exp $
1.6       albertel    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/
1.1       www        27: #
                     28: #
                     29: # (Page Handler
                     30: #
                     31: # (TeX Content Handler
                     32: #
                     33: # 05/29/00,05/30 Gerd Kortemeyer)
                     34: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
                     35: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
                     36: #
1.3       www        37: # 11/22,11/23,11/28,
                     38: # 03/30/01 Gerd Kortemeyer
1.7       foxr       39: package Apache::lonconstruct;
1.1       www        40: 
                     41: 
                     42: use strict;
1.24      raeburn    43: use Apache::Constants qw(:common :http :methods);
1.7       foxr       44: use Apache::lonnet;
                     45: use Apache::Log ();
1.8       foxr       46: use HTML::Entities();
1.7       foxr       47: 
1.17      taceyjo1   48: my $DEBUG = 0;
1.7       foxr       49: =pod
                     50: 
                     51: =item Debug($request, $message)
                     52: 
                     53:   If debugging is enabled puts out a debuggin message determined by the
                     54:   caller.  The debug message goes to the Apache error log file. Debugging
                     55:   is enabled by ssetting the module global DEBUG variable to nonzero (TRUE).
                     56: 
                     57:  Parameters:
                     58: 
                     59: =over 4
                     60:  
                     61: =item $request - The curretn request operation.
                     62: 
                     63: =item $message - The message to put inthe log file.
                     64: 
                     65: =back
                     66:   
                     67:  Returns:
                     68:    nothing.
                     69: 
                     70: =cut
                     71: 
                     72: sub Debug {
                     73:   
                     74:   # Marshall the parameters.
                     75:   
                     76:   my $r       = shift;
                     77:   my $log     = $r->log;
                     78:   my $message = shift;
                     79:   
                     80:   # Put out the indicated message butonly if DEBUG is false.
                     81:   
                     82:   if ($DEBUG) {
                     83:     $log->debug($message);
                     84:   }
                     85: }
                     86: 
                     87: 
1.1       www        88: # ================================================================ Main Handler
                     89: 
                     90: sub handler {
                     91:    my $r=shift;
                     92: 
                     93: # -------------------------------------------------------------- Build frameset
                     94: 
                     95:    $r->content_type('text/html');
                     96:    $r->send_http_header;
                     97:    return OK if $r->header_only;
                     98: 
                     99:    my $lowerframe=$r->path_info;
1.7       foxr      100:    &Debug($r, "Initial URL for lower frame: ".$lowerframe);
1.1       www       101:    $lowerframe=~s/^\//\/\~/;
1.7       foxr      102:    &Debug($r, "Lower frame URL afer ~ subst: ".$lowerframe);
1.22      albertel  103:    $lowerframe= &HTML::Entities::encode($lowerframe,'<>&"');
1.15      taceyjo1  104:    &Debug($r, "Lower frame URL after quote subst: ".$lowerframe);
1.13      www       105: 
                    106: #
                    107: # Are we forcing edit mode?
                    108: #
                    109: 
                    110:    &Apache::loncommon::get_unprocessed_cgi
                    111:         ($ENV{'QUERY_STRING'},['forceedit']);
                    112:    if ($ENV{'form.forceedit'}) {
                    113:        $lowerframe.='?editmode=Edit&problemmode=EditXML';
1.14      taceyjo1  114:    }	
                    115:    &Apache::loncommon::get_unprocessed_cgi
                    116:         ($ENV{'QUERY_STRING'},['forceColoredit']);
                    117:    if ($ENV{'form.forceColoredit'}) {
                    118:        $lowerframe.='?editmode=Edit&problemmode=Edit';
1.13      www       119:    }
1.23      raeburn   120: 
                    121: #
                    122: # Checking to see if we should display the topframe
                    123: #
                    124:    my $toprows = 0;
                    125:    my $topsrc = '';
1.25      albertel  126:    if ($ENV{'environment.remote'} ne 'off') {
1.23      raeburn   127:        $toprows = '110';
1.27    ! raeburn   128:        $topsrc = '/adm/localize/adm/publisher.html';
1.23      raeburn   129:    }
1.1       www       130:    $r->print(<<ENDPAGE);
                    131: <html>
1.12      www       132: <head><title>LON-CAPA Construction Space</title>
                    133: <script language="JavaScript">
                    134: var lastknownpriv="$lowerframe";
                    135: </script>
                    136: </head>
1.23      raeburn   137: <frameset rows="$toprows,*" border="0">
                    138: <frame src='$topsrc'>
1.7       foxr      139: <frame src="$lowerframe" name="LONCAPAToBePublished">
1.1       www       140: </frameset>
                    141: </html>
                    142: ENDPAGE
                    143:    return OK;
                    144: }
                    145: 1;
                    146: __END__
                    147: