1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.74 2006/09/21 21:23:19 albertel 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: use lib '/home/httpd/lib/perl/';
35: use LONCAPA;
36:
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
40: }
41:
42: sub start_essayresponse {
43: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
44: my $result;
45: my $id = &Apache::response::start_response($parstack,$safeeval);
46: if ($target eq 'meta') {
47: $result=&Apache::response::meta_package_write('essayresponse');
48: } elsif ($target eq 'web' &&
49: $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
50: my $part= $Apache::inputtags::part;
51: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
52: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
53: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
54: $uploadedfiletypes=~s/[^\w\,]//g;
55: $result='<br /><table border="1">';
56: $result.='<tr><td>'.
57: '<label>'.
58: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
59: &mt('Submit entries below as answer to receive credit').
60: '</label> <br />'.
61: '<label>'.
62: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
63: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
64: '</label>'.
65: ' </td></tr>';
66: if ($ncol > 0) {
67: $result .='<tr><td>'.'<label>'.
68: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
69: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
70: &mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$env{'user.domain'}).
71: '</label><br />';
72: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
73: $result .='</td></tr>';
74: }
75: $result.=&Apache::inputtags::file_selector($part,$id,
76: $uploadedfiletypes,'both');
77: $result.='</table>';
78: } elsif ($target eq 'web' &&
79: $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
80: my $part= $Apache::inputtags::part;
81: my @msgs;
82: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
83: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
84: $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
85: }
86:
87: my $file_submission =
88: &Apache::inputtags::show_past_file_submission($part,$id);
89: if ($file_submission) {
90: $result .= '<td>'.$file_submission.'</td>';
91: }
92:
93: my $port_submission =
94: &Apache::inputtags::show_past_portfile_submission($part,$id);
95: if ($port_submission) {
96: $result .= '<td>'.$port_submission.'</td>';
97: }
98:
99: if ($result ne '') {
100: $result =
101: '<table class="LC_pastsubmission"><tr>'.$result.
102: '</tr></table>';
103: }
104: }
105: return $result;
106: }
107:
108: sub end_essayresponse {
109: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
110: my $part = $Apache::inputtags::part;
111: my $id = $Apache::inputtags::response[-1];
112: my $increment = &Apache::response::repetition();
113: my $result;
114: if ( $target eq 'grade' ) {
115: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
116: if ($collaborators =~ /[^\s]/) {
117: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
118: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
119: if ($collaborators ne $previous_list);
120: }
121: if ( &Apache::response::submitted('scantron') ) {
122: $increment=&Apache::response::scored_response($part,$id);
123: } elsif ( &Apache::response::submitted() ) {
124: my $response = $env{'form.HWVAL_'.$id};
125: my $filename= $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
126: my $portfiles = $env{'form.HWPORT'.$part.'_'.$id};
127: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
128: my $award='DRAFT';
129: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
130: $award='SUBMITTED';
131: }
132: my $uploadedflag=0;
133: &file_submission($part,$id,'filename',\$award,\$uploadedflag);
134: &file_submission($part,$id,'portfiles',\$award,\$uploadedflag);
135: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
136: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
137: my %previous=&Apache::response::check_for_previous($response,$part,$id);
138: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
139: #
140: # Store with resource author for similarity testing
141: #
142: if ($award eq 'SUBMITTED') {
143: my ($symb,$crsid,$domain,$name)=
144: &Apache::lonxml::whichuser();
145: if ($crsid) {
146: my $akey=$name.'.'.$domain.'.'.$crsid;
147: my $essayurl=
148: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
149: my ($adom,$aname,$apath)=
150: ($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
151: $apath=&escape($apath);
152: $apath=~s/\W/\_/gs;
153: &Apache::lonnet::put('nohist_essay_'.$apath,
154: { $akey => $response },$adom,$aname);
155: }
156: }
157: }
158: }
159: } elsif ($target eq 'edit') {
160: $result.=&Apache::edit::end_table();
161:
162: } elsif ($target eq 'tex'
163: && $Apache::lonhomework::type eq 'exam') {
164: $result .= &Apache::inputtags::exam_score_line($target);
165:
166: } elsif ($target eq 'answer') {
167: $result.=&Apache::response::answer_header($$tagstack[-1]);
168: $result.=&Apache::response::answer_part($$tagstack[-1],'');
169: $result.=&Apache::response::answer_footer($$tagstack[-1]);
170: }
171:
172: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
173: $target eq 'tex' || $target eq 'analyze') {
174: &Apache::lonxml::increment_counter($increment);
175: }
176: &Apache::response::end_response;
177:
178: return $result;
179: }
180:
181: sub file_submission {
182: my ($part,$id,$which,$award,$uploadedflag)=@_;
183: my $files;
184: my $jspart=$part;
185: $jspart=~s/\./_/g;
186: if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
187: if ($which eq 'filename') {
188: $files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
189: }
190:
191: if ($files =~ /[^\s]/) {
192: $files =~s/,$//;
193: $Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
194:
195: my @submitted_files = ($files);
196: if ( $which eq 'portfiles' ) {
197: @submitted_files = split(/\s*,\s*/,$files);
198: }
199:
200: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
201: if ($uploadedfiletypes) {
202: $uploadedfiletypes=~s/[^\w\,]//g;
203: $uploadedfiletypes=','.$uploadedfiletypes.',';
204: foreach my $file (@submitted_files) {
205: my ($extension)=($file=~/\.(\w+)$/);
206: unless ($uploadedfiletypes=~/\,$extension\,/i) {
207: $$award='INVALID_FILETYPE';
208: }
209: }
210: }
211: if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
212: $$uploadedflag=1;
213: }
214: if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
215: my ($symb,$crsid,$domain,$name)=&Apache::lonxml::whichuser();
216: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
217: &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
218: &Apache::lonnet::clear_selected_files($name);
219: }
220: if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
221: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
222: $files;
223: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
224: &Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
225: 'essayresponse');
226: }
227: } elsif ($which eq 'portfiles' &&
228: $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
229: my ($symb,$crsid,$domain,$name)=&Apache::lonxml::whichuser();
230: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
231: $Apache::lonhomework::results{"resource.$part.$id.$which"}="";
232: }
233: }
234:
235: sub check_collaborators {
236: my ($ncol,$coll) = @_;
237: my %classlist=&Apache::lonnet::dump('classlist',
238: $env{'course.'.$env{'request.course.id'}.'.domain'},
239: $env{'course.'.$env{'request.course.id'}.'.num'});
240: my (@badcollaborators,$result);
241: my (@collaborators) = split(/\,?\s+/,$coll);
242: foreach (@collaborators) {
243: my $collaborator = $_;
244: if (/@/) {
245: $collaborator =~ s/@/:/;
246: } else {
247: $collaborator = $_.':'.$env{'user.domain'};
248: }
249: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
250: }
251:
252: if (scalar(@badcollaborators)) {
253: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
254: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
255: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
256: }
257: my $toomany = scalar(@collaborators) - $ncol;
258: if ($toomany > 0) {
259: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
260: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
261: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
262: }
263: return $result;
264: }
265:
266: 1;
267: __END__
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