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Diff for /rat/lonwrapper.pm between versions 1.3 and 1.42

version 1.3, 2001/07/05 18:14:17 version 1.42, 2012/11/27 23:45:15
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 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # Wrapper for external and binary files as standalone resources  # Wrapper for external and binary files as standalone resources
 #  #
 # (Edit Handler for RAT Maps  # $Id$
 # (TeX Content Handler  
 #  #
 # 05/29/00,05/30 Gerd Kortemeyer)  # Copyright Michigan State University Board of Trustees
 # 7/1,6/30 Gerd Kortemeyer)  #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
 #  #
 # 7/5 Gerd Kortemeyer  
   
 package Apache::lonwrapper;  package Apache::lonwrapper;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::lonnet();  use Apache::lonenc();
 use Apache::lonxml();  use Apache::lonnet;
   use Apache::lonlocal;
   use Apache::loncommon();
   use Apache::lonhtmlcommon();
   use Apache::lonextresedit();
   
 # ================================================================ Main Handler  # ================================================================ Main Handler
   sub wrapper {
       my ($url,$brcrum) = @_;
   
 sub handler {      my $forcereg;
   my $r=shift;      unless ($env{'form.folderpath'}) {
   $r->content_type('text/html');          $forcereg = 1;
   $r->send_http_header;      }
   
   return OK if $r->header_only;      my $args = {'bgcolor' => '#FFFFFF'};
       if ($forcereg) {
   my $url=$r->uri;          $args->{'force_register'} = $forcereg;
   $url=~s/^\/adm\/wrapper//;      }
   $url=~s/^\/ext\//http\:\/\//;      if (ref($brcrum) eq 'ARRAY') {
   my $events='onLoad="'.&Apache::lonxml::loadevents.           $args->{'bread_crumbs'} = $brcrum;
            '" onUnload="'.&Apache::lonxml::unloadevents.'"';      }
   my $script=&Apache::lonxml::registerurl(1);  
   $r->print(<<ENDDOCUMENT);      my $startpage =  Apache::loncommon::start_page('Menu',undef,$args);
 <html>      my $endpage =  Apache::loncommon::end_page();
 <head>  
 $script      my $script = Apache::lonhtmlcommon::scripttag(<<SCRIPT );
 </head>      \$(document).ready( function() {
 <frameset rows="1,*" border=0 $events>          \$(window).unbind('resize').resize(function(){
 <frame src="/adm/rat/empty.html">              var header;
 <frame src="$url">              var offset = 5;
 </frameset>              var height = 0;
 </html>              var hdrtop = 0;
 ENDDOCUMENT              if (\$('div.LC_head_subbox:first').length) {
   return OK;                  header = \$('div.LC_head_subbox:first');
                   offset = 9;
               } else {
                   if (\$('#LC_breadcrumbs').length) {
                       header = \$('#LC_breadcrumbs');
                   }
               }
               if (header.length) {
                   height = header.height();
                   hdrtop = header.position().top;
               }
               var pos = height + hdrtop + offset;
               \$('.LC_iframecontainer').css('top', pos);
           });
       });
       window.onload = function(){  \$(window).trigger('resize') }; 
   SCRIPT
   
       # javascript will position the iframe if window was resized (or zoomed)
       return <<ENDFRAME;
       $startpage
       $script
       <div class="LC_iframecontainer">
           <iframe src="$url">No iframe support!</iframe>
       </div>
       $endpage
   ENDFRAME
 }  }
   
   sub handler {
       my $r=shift;
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
   
       return OK if $r->header_only;
   
       my $url = $r->uri;
       my ($is_ext,$brcrum);
   
       for ($url){
           s|^/adm/wrapper||;
           $is_ext = $_ =~ s|^/ext/|http://|;         
           s|http://https://|https://|;
           s|&colon;|:|g;              
       }
   
       if ($is_ext) {
           &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
               ['forceedit','register','folderpath','symb','idx','title']);
           if (($env{'form.forceedit'}) &&
               (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
               (($env{'form.folderpath'} =~ /^supplemental/) ||
                ($env{'form.symb'} =~ /^uploaded/))) {
               $r->print(
                   &Apache::lonextresedit::display_editor($url,$env{'form.folderpath'},
                                                          $env{'form.symb'},
                                                          $env{'form.idx'}));
               return OK;
           } elsif ($env{'form.folderpath'} =~ /^supplemental/) {
               my $crstype = &Apache::loncommon::course_type();
               $brcrum =
                   &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$env{'form.title'},1);
               if (ref($brcrum) eq 'ARRAY') {
                   my $last = $env{'form.title'};
                   if ($last eq '') {
                       $last = &mt('External Resource');
                   }
                   push(@{$brcrum},
                            {'title' => $last,
                             'text' => $last,
                             'no_mt' => 1,
                            });
   
               }
           }
       }
   
   #
   # Actual URL
   #
       if ($url=~/$LONCAPA::assess_re/) {
   #
   # This is uploaded homework
   #
           $env{'request.state'}='uploaded';
           &Apache::lonhomework::renderpage($r,$url);
       } else {
   #
   # This is not homework
   #
           if ($is_ext) {
               $ENV{'QUERY_STRING'} =~ s/(^|\&)symb=[^\&]*/$1/;
               $ENV{'QUERY_STRING'} =~ s/\&$//;
           }
   
           unless ($ENV{'QUERY_STRING'} eq '') {
               $url.=(($url=~/\?/)?'&':'?').$ENV{'QUERY_STRING'};
           }
   
           # encrypt url if not external
           &Apache::lonenc::check_encrypt(\$url) if $url !~ /^https?\:/ ;
   
           $r->print( wrapper($url,$brcrum) );
   
       } # not just the menu
       
       return OK;
   } # handler
   
 1;  1;
 __END__  __END__
   
   =pod
   
   =head1 NAME
   
   Apache::lonwrapper - External and binary file management.
   
   =head1 SYNOPSIS
   
   Wrapper for external and binary files as standalone resources. Edit handler for rat maps; TeX content handler.
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 Subroutines
   
   =over
   
   =item wrapper($url,$brcrum)
   
   Wraps $url in an iframe and generates a page for it.
   $brcrum contains breadcrumbs for unregistered urls
   (i.e., external resources in Supplemental Content).
   Returns markup for the entire page.
   
   =item handler()
   
   =back
   
   =cut
   
   
   
   
Removed from v.1.3  
changed lines
  Added in v.1.42

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