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Diff for /loncom/homework/essayresponse.pm between versions 1.2 and 1.15

version 1.2, 2001/04/05 00:07:53 version 1.15, 2002/08/07 16:23:05
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 # 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,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $id = &Apache::response::start_response($parstack,$safeeval);      my $result;
   return '';      my $id = &Apache::response::start_response($parstack,$safeeval);
       if ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('essayresponse');
       } elsif ($target eq 'web') {
    my $part= $Apache::inputtags::part;
   
    my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
    my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
    $result='<br /><table border="1">';
    if ($ncol > 0) {
       $result .='<tr><td>'.
    'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
    $part.'_'.$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+/);
       $result .='</td></tr>';
    }
    $result.='<tr><td>'.
       '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
       ' Submit text below as answer to receive credit <br />'.
       '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
       ' Save text below as a draft answer (not submitting it for credit yet) '.
       '</td></tr></table>';
       }
       return $result;
 }  }
   
 sub end_essayresponse {  sub end_essayresponse {
   my ($target,$token,$parstack,$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::inputtags::response[-1];
       my $id = $Apache::inputtags::response['-1'];      my $result;
       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};      if ( $target eq 'grade' ) {
       if ( $response =~ /[^\s]/) {   my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;   if ($collaborators =~ /[^\s]/) {
  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}="SUBMITTED";      my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
       }      $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
    if ($collaborators ne $previous_list);
    }
    if ( defined $ENV{'form.submitted'}) {
       my $response      = $ENV{'form.HWVAL'.$id};
       if ( $response =~ /[^\s]/) {
    my $award;
    if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
       $award='SUBMITTED';
    } else {
       $award='DRAFT';
    }
    $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
    $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
    my %previous=&Apache::response::check_for_previous($response,$part,$id);
    &Apache::response::handle_previous(\%previous,$award);
       }
    }
       } elsif ($target eq 'edit') {
    $result.=&Apache::edit::end_table();
       }
   
       &Apache::response::end_response;
       return $result;
   }
   
   sub check_collaborators {
       my ($ncol,$coll) = @_;
       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)) {
    $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
       (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
       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 $result;
   &Apache::response::end_response;  
   return '';  
 }  }
   
 1;  1;
Removed from v.1.2  
changed lines
  Added in v.1.15

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