--- loncom/publisher/Attic/lonconstruct.pm 2001/12/04 15:34:57 1.6 +++ loncom/publisher/Attic/lonconstruct.pm 2010/04/12 15:05:51 1.37 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Construction Space Page Wrapper for Construction # -# $Id: lonconstruct.pm,v 1.6 2001/12/04 15:34:57 albertel Exp $ +# $Id: lonconstruct.pm,v 1.37 2010/04/12 15:05:51 droeschl Exp $ # # Copyright Michigan State University Board of Trustees # @@ -26,21 +26,63 @@ # http://www.lon-capa.org/ # # -# (Page Handler -# -# (TeX Content Handler -# -# 05/29/00,05/30 Gerd Kortemeyer) -# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23, -# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer) -# -# 11/22,11/23,11/28, -# 03/30/01 Gerd Kortemeyer + + +=pod + +=head1 + +=head1 NAME + +Apache::lonconstruct + +=head1 SYNOPSIS + +Page wrapper for handling construction space. + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + + +=item Debug($request, $message) + + If debugging is enabled puts out a debuggin message determined by the + caller. The debug message goes to the Apache error log file. Debugging + is enabled by ssetting the module global DEBUG variable to nonzero (TRUE). + + Parameters: + +=over 4 + +=item $request - The curretn request operation. + +=item $message - The message to put inthe log file. + +=back + + Returns: + nothing. + +=cut package Apache::lonconstruct; + use strict; -use Apache::Constants qw(:common :http); +use Apache::Constants qw(:common :http :methods); +use Apache::lonnet; +use HTML::Entities(); + +my $DEBUG = 0; + + +sub Debug { + # Put out the indicated message but only if DEBUG is true. + if ($DEBUG) { + my ($r,$message) = @_; + $r->log_reason($message); + } +} # ================================================================ Main Handler @@ -49,22 +91,38 @@ sub handler { # -------------------------------------------------------------- Build frameset - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; my $lowerframe=$r->path_info; + &Debug($r, "Initial URL for lower frame: ".$lowerframe); $lowerframe=~s/^\//\/\~/; - - $r->print(< -LON-CAPA Construction Space - - - - - -ENDPAGE + &Debug($r, "Lower frame URL afer ~ subst: ".$lowerframe); + $lowerframe= &HTML::Entities::encode($lowerframe,'<>&"'); + &Debug($r, "Lower frame URL after quote subst: ".$lowerframe); + +# +# Are we forcing edit mode? +# + + &Apache::loncommon::get_unprocessed_cgi + ($ENV{'QUERY_STRING'},['forceedit']); + if ($env{'form.forceedit'}) { + $lowerframe.='?editmode=Edit&problemmode=editxml'; + } + &Apache::loncommon::get_unprocessed_cgi + ($ENV{'QUERY_STRING'},['forceColoredit']); + if ($env{'form.forceColoredit'}) { + $lowerframe.='?editmode=Edit&problemmode=edit'; + } + + # when the remote control existed we used to force the + # pages of construction space into a frameset. + # without remote control, we can elimnate this frameset + # and redirect to the url of the content frame. + # This keeps all URLs intact. + $r->internal_redirect($lowerframe); return OK; } 1;