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Diff for /loncom/homework/essayresponse.pm between versions 1.3 and 1.10

version 1.3, 2001/06/02 03:59:59 version 1.10, 2002/07/24 16:58:08
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # essay (ungraded) style responses  # essay (ungraded) style responses
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # 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/
   #
 # 4/3 Guy  # 4/3 Guy
   # July, 2002, H. K. Ng
   #
 package Apache::essayresponse;  package Apache::essayresponse;
 use strict;  use strict;
   
 sub BEGIN {  BEGIN {
   &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));      &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
 }  }
   
 sub start_essayresponse {  sub start_essayresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $result;
   return '';  
       if ($target eq 'web') {
    my $part= $Apache::inputtags::part;
    my $id  = &Apache::response::start_response($parstack,$safeeval);
   
    my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
    my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
    if ($ncol > 0) {
       $result .='<br />Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
    $id.'" value="'.$coll.'" /><br />'.
    '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
    'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
       $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
    }
       }
       return $result;
 }  }
   
 sub end_essayresponse {  sub end_essayresponse {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if ( $target eq 'grade' ) {      my $part=$Apache::inputtags::part;
     if ( defined $ENV{'form.submitted'}) {      my $id  = &Apache::response::start_response($parstack,$safeeval);
       my $id = $Apache::inputtags::response['-1'];      if ( $target eq 'grade' ) {
       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};   if ( defined $ENV{'form.submitted'}) {
       if ( $response =~ /[^\s]/) {      my $response      = $ENV{'form.HWVAL'.$id};
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;      if ( $response =~ /[^\s]/) {
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}="SUBMITTED";   $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
       }   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}="SUBMITTED";
     }   my %previous=&Apache::response::check_for_previous($response,$part,$id);
   }   &Apache::response::handle_previous(\%previous,'SUBMITTED');
   &Apache::response::end_response;      }
   return '';   }
       }
       my $collaborators = $ENV{'form.HWCOL'.$id};
       if ($collaborators =~ /[^\s]/) {
    my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
    my ($badlist,$toomany) = &check_collaborators($ncol,$collaborators,'yes');
    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators;
    $Apache::lonhomework::results{"resource.$part.$id.badcollaborators"}=(join(', ',@$badlist)) 
       if (scalar(@$badlist) > 0);
    $Apache::lonhomework::results{"resource.$part.$id.toomanycollaborators"}=$$toomany 
       if ($toomany > 0);
       }
       &Apache::response::end_response;
       return '';
   }
   
   sub check_collaborators {
       my ($ncol,$coll,$retbad) = @_;
       my %classlist=&Apache::lonnet::dump('classlist',
    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
       my (@badcollaborators,$result);
       my (@collaborators) = split(/\,?\s+/,$coll);
       foreach (@collaborators) {
    my $collaborator = $_;
    if (/@/) {
       $collaborator =~ s/@/:/;
    } else {
       $collaborator = $_.':'.$ENV{'user.domain'};
    }
    push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
       }
       
       if (scalar(@badcollaborators)) {
    my $badlist = sprintf ("The following user%s invalid: ",
          (scalar(@badcollaborators) > 1 ? 's are' : ' is'));
    $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
       $badlist.join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
       }
       my $toomany = scalar(@collaborators) - $ncol;
       if ($toomany > 0) {
    $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
       'You have too many collaborators. Please remove '.$toomany.' collaborator'.
       ($toomany > 1 ? 's' :'').'.</td></tr></table>';
       }
       return (\@badcollaborators,\$toomany) if ($retbad eq 'yes');
       return $result;
 }  }
   
 1;  1;
Removed from v.1.3  
changed lines
  Added in v.1.10

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