Annotation of loncom/homework/essayresponse.pm, revision 1.15
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
1.5 albertel 3: #
1.15 ! albertel 4: # $Id: essayresponse.pm,v 1.14 2002/08/01 19:16:45 albertel Exp $
1.5 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/
27: #
1.1 albertel 28: # 4/3 Guy
1.10 ng 29: # July, 2002, H. K. Ng
30: #
1.1 albertel 31: package Apache::essayresponse;
32: use strict;
33:
1.6 harris41 34: BEGIN {
1.10 ng 35: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1 albertel 36: }
37:
38: sub start_essayresponse {
1.10 ng 39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
1.14 albertel 41: my $id = &Apache::response::start_response($parstack,$safeeval);
42: if ($target eq 'meta') {
43: $result=&Apache::response::meta_package_write('essayresponse');
44: } elsif ($target eq 'web') {
1.10 ng 45: my $part= $Apache::inputtags::part;
46:
47: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
48: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.13 ng 49: $result='<br /><table border="1">';
1.10 ng 50: if ($ncol > 0) {
1.13 ng 51: $result .='<tr><td>'.
52: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
53: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10 ng 54: '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
55: 'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
56: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13 ng 57: $result .='</td></tr>';
1.10 ng 58: }
1.13 ng 59: $result.='<tr><td>'.
60: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
61: ' Submit text below as answer to receive credit <br />'.
62: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
63: ' Save text below as a draft answer (not submitting it for credit yet) '.
64: '</td></tr></table>';
1.10 ng 65: }
66: return $result;
1.1 albertel 67: }
68:
69: sub end_essayresponse {
1.10 ng 70: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13 ng 71: my $part = $Apache::inputtags::part;
1.14 albertel 72: my $id = $Apache::inputtags::response[-1];
1.15 ! albertel 73: my $result;
1.10 ng 74: if ( $target eq 'grade' ) {
1.14 albertel 75: my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
76: if ($collaborators =~ /[^\s]/) {
77: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
78: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
79: if ($collaborators ne $previous_list);
80: }
1.10 ng 81: if ( defined $ENV{'form.submitted'}) {
82: my $response = $ENV{'form.HWVAL'.$id};
83: if ( $response =~ /[^\s]/) {
1.14 albertel 84: my $award;
85: if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
86: $award='SUBMITTED';
87: } else {
88: $award='DRAFT';
89: }
1.10 ng 90: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14 albertel 91: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10 ng 92: my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.14 albertel 93: &Apache::response::handle_previous(\%previous,$award);
1.10 ng 94: }
95: }
1.15 ! albertel 96: } elsif ($target eq 'edit') {
! 97: $result.=&Apache::edit::end_table();
1.10 ng 98: }
1.11 ng 99:
1.10 ng 100: &Apache::response::end_response;
1.15 ! albertel 101: return $result;
1.10 ng 102: }
103:
104: sub check_collaborators {
1.11 ng 105: my ($ncol,$coll) = @_;
1.10 ng 106: my %classlist=&Apache::lonnet::dump('classlist',
107: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
108: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
109: my (@badcollaborators,$result);
110: my (@collaborators) = split(/\,?\s+/,$coll);
111: foreach (@collaborators) {
112: my $collaborator = $_;
113: if (/@/) {
114: $collaborator =~ s/@/:/;
115: } else {
116: $collaborator = $_.':'.$ENV{'user.domain'};
117: }
118: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
119: }
120:
121: if (scalar(@badcollaborators)) {
1.11 ng 122: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
123: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
124: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10 ng 125: }
126: my $toomany = scalar(@collaborators) - $ncol;
127: if ($toomany > 0) {
128: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
129: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
130: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
131: }
132: return $result;
1.1 albertel 133: }
1.2 albertel 134:
135: 1;
136: __END__
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