Annotation of loncom/homework/essayresponse.pm, revision 1.20
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
1.5 albertel 3: #
1.20 ! www 4: # $Id: essayresponse.pm,v 1.19 2003/01/23 22:28:55 www 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;
1.16 sakharuk 33: use Apache::lonxml;
1.20 ! www 34: use Apache::lonnet;
1.1 albertel 35:
1.6 harris41 36: BEGIN {
1.10 ng 37: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1 albertel 38: }
39:
40: sub start_essayresponse {
1.10 ng 41: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
42: my $result;
1.14 albertel 43: my $id = &Apache::response::start_response($parstack,$safeeval);
44: if ($target eq 'meta') {
45: $result=&Apache::response::meta_package_write('essayresponse');
46: } elsif ($target eq 'web') {
1.10 ng 47: my $part= $Apache::inputtags::part;
48:
49: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
50: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
1.17 www 51: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
52: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"});
1.13 ng 53: $result='<br /><table border="1">';
1.10 ng 54: if ($ncol > 0) {
1.13 ng 55: $result .='<tr><td>'.
56: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
57: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.10 ng 58: '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
59: 'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
60: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13 ng 61: $result .='</td></tr>';
1.10 ng 62: }
1.17 www 63: if ($uploadedfiletypes) {
64: $result.=
65: '<tr><td>Submit a file: <input type="file" size="50" name="HWFILE'.
1.19 www 66: $part.'_'.$id.'" onFocus="this.form.enctype='.
67: "'multipart/form-data'".';" /><br />Allowed filetypes: <b>'.$uploadedfiletypes.'</b><br />';
68: if ($uploadedfile) {
1.20 ! www 69: $result.='Currently submitted: <tt><a href="'.
! 70: &Apache::lonnet::tokenwrapper($Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}).'">'.$uploadedfile.'</a></tt>';
1.19 www 71: } else {
72: $result.='(Hand in a file you have prepared on your computer)';
73: }
74: $result.='</td></tr>';
1.17 www 75: }
1.13 ng 76: $result.='<tr><td>'.
77: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
78: ' Submit text below as answer to receive credit <br />'.
79: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
80: ' Save text below as a draft answer (not submitting it for credit yet) '.
81: '</td></tr></table>';
1.10 ng 82: }
83: return $result;
1.1 albertel 84: }
85:
86: sub end_essayresponse {
1.10 ng 87: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13 ng 88: my $part = $Apache::inputtags::part;
1.14 albertel 89: my $id = $Apache::inputtags::response[-1];
1.15 albertel 90: my $result;
1.10 ng 91: if ( $target eq 'grade' ) {
1.14 albertel 92: my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
93: if ($collaborators =~ /[^\s]/) {
94: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
95: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
96: if ($collaborators ne $previous_list);
97: }
1.19 www 98: my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
99: if ($filename =~ /[^\s]/) {
100: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
1.20 ! www 101: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
! 102: &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id);
1.19 www 103: }
1.10 ng 104: if ( defined $ENV{'form.submitted'}) {
105: my $response = $ENV{'form.HWVAL'.$id};
106: if ( $response =~ /[^\s]/) {
1.14 albertel 107: my $award;
108: if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
109: $award='SUBMITTED';
110: } else {
111: $award='DRAFT';
112: }
1.10 ng 113: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14 albertel 114: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10 ng 115: my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.14 albertel 116: &Apache::response::handle_previous(\%previous,$award);
1.10 ng 117: }
118: }
1.15 albertel 119: } elsif ($target eq 'edit') {
120: $result.=&Apache::edit::end_table();
1.16 sakharuk 121: } elsif ($target eq 'tex') {
122: if ($Apache::lonhomework::type eq 'exam') {
123: $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
124: &Apache::lonxml::increment_counter();
1.18 www 125: $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm \end{enumerate}';
1.16 sakharuk 126: &Apache::lonxml::increment_counter();
127: }
1.10 ng 128: }
1.11 ng 129:
1.10 ng 130: &Apache::response::end_response;
1.15 albertel 131: return $result;
1.10 ng 132: }
133:
134: sub check_collaborators {
1.11 ng 135: my ($ncol,$coll) = @_;
1.10 ng 136: my %classlist=&Apache::lonnet::dump('classlist',
137: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
138: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
139: my (@badcollaborators,$result);
140: my (@collaborators) = split(/\,?\s+/,$coll);
141: foreach (@collaborators) {
142: my $collaborator = $_;
143: if (/@/) {
144: $collaborator =~ s/@/:/;
145: } else {
146: $collaborator = $_.':'.$ENV{'user.domain'};
147: }
148: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
149: }
150:
151: if (scalar(@badcollaborators)) {
1.11 ng 152: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
153: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
154: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10 ng 155: }
156: my $toomany = scalar(@collaborators) - $ncol;
157: if ($toomany > 0) {
158: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
159: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
160: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
161: }
162: return $result;
1.1 albertel 163: }
1.2 albertel 164:
165: 1;
166: __END__
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