1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.39 2004/10/12 00:08:44 banghart Exp $
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: #
28:
29: package Apache::essayresponse;
30: use strict;
31: use Apache::lonxml();
32: use Apache::lonnet();
33: use Apache::lonlocal;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
37: }
38:
39: sub start_essayresponse {
40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
41: my $result;
42: my $id = &Apache::response::start_response($parstack,$safeeval);
43: if ($target eq 'meta') {
44: $result=&Apache::response::meta_package_write('essayresponse');
45: } elsif ($target eq 'web') {
46: my $part= $Apache::inputtags::part;
47: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
48: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
49: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
50: $uploadedfiletypes=~s/[^\w\,]//g;
51: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
52: $result='<br /><table border="1">';
53: $result.='<tr><td>'.
54: '<a href='."'".'javascript:void(window.open("/adm/portfolio?action=selectfile","cat","height=300,'.
55: 'width=500,scrollbars=1,resizable=1,menubar=0,location=1"))'."'".'>Select Portfolio Files</a>'.
56: '<br />'.
57: '<input type="textarea" name="selectedfiles" value="select files will appear here" /><br />'.
58: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked> '.
59: &mt('Submit entries below as answer to receive credit').' <br />'.
60: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no"> '.
61: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
62: ' </td></tr>';
63: if ($ncol > 0) {
64: $result .='<tr><td>'.
65: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
66: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
67: &mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$ENV{'user.domain'}).'<br />';
68: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
69: $result .='</td></tr>';
70: }
71: if ($uploadedfiletypes) {
72: $result.='<tr><td>'.&mt('Submit a file:').
73: ' <input type="file" size="50" name="HWFILE'.
74: $part.'_'.$id.'" onFocus="this.form.enctype='.
75: "'multipart/form-data'".';" /><br />'.
76: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).
77: '<br />';
78: if ($uploadedfile) {
79: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
80: push (@Apache::lonxml::extlinks,$url);
81: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
82: my $curfile='<a href="'.$url.
83: '"><img src="/adm/lonIcons/unknown.gif" border=0" /> '.
84: $uploadedfile.'</a>';
85: $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
86: } else {
87: $result.=&mt('(Hand in a file you have prepared on your computer)');
88: }
89: $result.='</td></tr>';
90: }
91: $result.='</table>';
92: }
93: return $result;
94: }
95:
96: sub end_essayresponse {
97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
98: my $part = $Apache::inputtags::part;
99: my $id = $Apache::inputtags::response[-1];
100: my $increment = 1;
101: my $result;
102: if ( $target eq 'grade' ) {
103: my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
104: if ($collaborators =~ /[^\s]/) {
105: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
106: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
107: if ($collaborators ne $previous_list);
108: }
109: if ( defined($ENV{'form.submitted'}) &&
110: $ENV{'form.submitted'} eq 'scantron' ) {
111: $increment=&Apache::response::scored_response($part,$id);
112: } elsif ( defined($ENV{'form.submitted'}) ) {
113: my $response = $ENV{'form.HWVAL_'.$id};
114: my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
115: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/)) {
116: my $award;
117: if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
118: $award='SUBMITTED';
119: } else {
120: $award='DRAFT';
121: }
122: my $uploadedflag=0;
123: if ($filename =~ /[^\s]/) {
124: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
125: $uploadedfiletypes=~s/[^\w\,]//g;
126: $uploadedfiletypes=','.$uploadedfiletypes.',';
127: my ($extension)=($filename=~/\.(\w+)$/);
128: if ($uploadedfiletypes=~/\,$extension\,/i) {
129: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
130: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
131: &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id,undef,'essayresponse');
132: $uploadedflag=1;
133: } else {
134: $award='INVALID_FILETYPE';
135: }
136: }
137: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
138: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
139: my %previous=&Apache::response::check_for_previous($response,$part,$id);
140: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
141: #
142: # Store with resource author for similarity testing
143: #
144: if ($award eq 'SUBMITTED') {
145: my ($symb,$crsid,$domain,$name)=
146: &Apache::lonxml::whichuser();
147: if ($crsid) {
148: my $akey=$name.'.'.$domain.'.'.$crsid;
149: my $essayurl=
150: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
151: my ($adom,$aname,$apath)=
152: ($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
153: $apath=&Apache::lonnet::escape($apath);
154: $apath=~s/\W/\_/gs;
155: &Apache::lonnet::put('nohist_essay_'.$apath,
156: { $akey => $response },$adom,$aname);
157: }
158: }
159: }
160: }
161: } elsif ($target eq 'edit') {
162: $result.=&Apache::edit::end_table();
163: } elsif ($target eq 'tex') {
164: if ($Apache::lonhomework::type eq 'exam') {
165: my $repetition=&Apache::response::repetition();
166: $result.='\begin{enumerate}';
167: if ($ENV{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
168: for (my $i=0;$i<$repetition;$i++) {
169: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
170: '}.]\textit{'.&mt('Leave blank on scoring form').
171: '}\vskip 0 mm';
172: }
173: $result.= '\end{enumerate}';
174: $increment=$repetition;
175: }
176: }
177: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
178: $target eq 'tex' || $target eq 'analyze') {
179: &Apache::lonxml::increment_counter($increment);
180: }
181: &Apache::response::end_response;
182: return $result;
183: }
184:
185: sub check_collaborators {
186: my ($ncol,$coll) = @_;
187: my %classlist=&Apache::lonnet::dump('classlist',
188: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
189: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
190: my (@badcollaborators,$result);
191: my (@collaborators) = split(/\,?\s+/,$coll);
192: foreach (@collaborators) {
193: my $collaborator = $_;
194: if (/@/) {
195: $collaborator =~ s/@/:/;
196: } else {
197: $collaborator = $_.':'.$ENV{'user.domain'};
198: }
199: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
200: }
201:
202: if (scalar(@badcollaborators)) {
203: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
204: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
205: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
206: }
207: my $toomany = scalar(@collaborators) - $ncol;
208: if ($toomany > 0) {
209: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
210: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
211: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
212: }
213: return $result;
214: }
215:
216: 1;
217: __END__
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