1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.77 2006/10/17 15:11:11 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: if ( $Apache::lonhomework::type eq 'survey' ) {
56: $result.= '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" /> ';
57: }
58: $result.='<br /><table border="1">';
59: if ( $Apache::lonhomework::type ne 'survey' ) {
60: $result.= '<tr><td>'.
61: '<label>'.
62: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
63: &mt('Submit entries below as answer to receive credit').
64: '</label> <br />'.
65: '<label>'.
66: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
67: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
68: '</label>'.
69: '</td></tr>';
70: }
71:
72: if ($ncol > 0) {
73: $result .='<tr><td>'.'<label>'.
74: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
75: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
76: &mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$env{'user.domain'}).
77: '</label><br />';
78: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
79: $result .='</td></tr>';
80: }
81: $result.=&Apache::inputtags::file_selector($part,$id,
82: $uploadedfiletypes,'both');
83: $result.='</table>';
84: } elsif ($target eq 'web' &&
85: $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
86: my $part= $Apache::inputtags::part;
87: my @msgs;
88: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
89: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
90: $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
91: }
92:
93: my $file_submission =
94: &Apache::inputtags::show_past_file_submission($part,$id);
95: if ($file_submission) {
96: $result .= '<td>'.$file_submission.'</td>';
97: }
98:
99: my $port_submission =
100: &Apache::inputtags::show_past_portfile_submission($part,$id);
101: if ($port_submission) {
102: $result .= '<td>'.$port_submission.'</td>';
103: }
104:
105: if ($result ne '') {
106: $result =
107: '<table class="LC_pastsubmission"><tr>'.$result.
108: '</tr></table>';
109: }
110: }
111: return $result;
112: }
113:
114: sub end_essayresponse {
115: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
116: my $part = $Apache::inputtags::part;
117: my $id = $Apache::inputtags::response[-1];
118: my $increment = &Apache::response::repetition();
119: my $result;
120: if ( $target eq 'grade' ) {
121: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
122: if ($collaborators =~ /[^\s]/) {
123: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
124: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
125: if ($collaborators ne $previous_list);
126: }
127: if ( &Apache::response::submitted('scantron') ) {
128: $increment=&Apache::response::scored_response($part,$id);
129: } elsif ( &Apache::response::submitted() ) {
130: my $response = $env{'form.HWVAL_'.$id};
131: my $filename= $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
132: my $portfiles = $env{'form.HWPORT'.$part.'_'.$id};
133: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
134: my $award='DRAFT';
135: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
136: $award='SUBMITTED';
137: }
138: my $uploadedflag=0;
139: &file_submission($part,$id,'filename',\$award,\$uploadedflag);
140: &file_submission($part,$id,'portfiles',\$award,\$uploadedflag);
141: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
142: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
143: my %previous=&Apache::response::check_for_previous($response,$part,$id);
144: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
145: #
146: # Store with resource author for similarity testing
147: #
148: if ($award eq 'SUBMITTED') {
149: my ($symb,$crsid,$domain,$name)=
150: &Apache::lonnet::whichuser();
151: if ($crsid) {
152: my $akey=$name.'.'.$domain.'.'.$crsid;
153: my $essayurl=
154: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
155: my ($adom,$aname,$apath)=
156: ($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
157: $apath=&escape($apath);
158: $apath=~s/\W/\_/gs;
159: &Apache::lonnet::put('nohist_essay_'.$apath,
160: { $akey => $response },$adom,$aname);
161: }
162: }
163: }
164: }
165: } elsif ($target eq 'edit') {
166: $result.=&Apache::edit::end_table();
167:
168: } elsif ($target eq 'tex'
169: && $Apache::lonhomework::type eq 'exam') {
170: $result .= &Apache::inputtags::exam_score_line($target);
171:
172: } elsif ($target eq 'answer') {
173: if ($env{'form.answer_output_mode'} eq 'tex') {
174: $result .= '\begin{tabular}{|l|}';
175: $result .= '\hline';
176: $result .= ' Answer for essay will be hand graded \\\\ ';
177: $result .= '\\hline';
178: $result .= '\end{tabular}';
179: $result .= '\vskip 3mm';
180: } else {
181: $result.=&Apache::response::answer_header($$tagstack[-1]);
182: $result.=&Apache::response::answer_part($$tagstack[-1],'');
183: $result.=&Apache::response::answer_footer($$tagstack[-1]);
184: }
185: }
186:
187: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
188: $target eq 'tex' || $target eq 'analyze') {
189: &Apache::lonxml::increment_counter($increment);
190: }
191: &Apache::response::end_response;
192:
193: return $result;
194: }
195:
196: sub file_submission {
197: my ($part,$id,$which,$award,$uploadedflag)=@_;
198: my $files;
199: my $jspart=$part;
200: $jspart=~s/\./_/g;
201: if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
202: if ($which eq 'filename') {
203: $files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
204: }
205:
206: if ($files =~ /[^\s]/) {
207: $files =~s/,$//;
208: $Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
209:
210: my @submitted_files = ($files);
211: if ( $which eq 'portfiles' ) {
212: @submitted_files = split(/\s*,\s*/,$files);
213: }
214:
215: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
216: if ($uploadedfiletypes) {
217: $uploadedfiletypes=~s/[^\w\,]//g;
218: $uploadedfiletypes=','.$uploadedfiletypes.',';
219: foreach my $file (@submitted_files) {
220: my ($extension)=($file=~/\.(\w+)$/);
221: unless ($uploadedfiletypes=~/\,$extension\,/i) {
222: $$award='INVALID_FILETYPE';
223: }
224: }
225: }
226: if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
227: $$uploadedflag=1;
228: }
229: if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
230: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
231: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
232: &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
233: &Apache::lonnet::clear_selected_files($name);
234: }
235: if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
236: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
237: $files;
238: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
239: &Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
240: 'essayresponse');
241: }
242: } elsif ($which eq 'portfiles' &&
243: $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
244: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
245: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
246: $Apache::lonhomework::results{"resource.$part.$id.$which"}="";
247: }
248: }
249:
250: sub check_collaborators {
251: my ($ncol,$coll) = @_;
252: my %classlist=&Apache::lonnet::dump('classlist',
253: $env{'course.'.$env{'request.course.id'}.'.domain'},
254: $env{'course.'.$env{'request.course.id'}.'.num'});
255: my (@badcollaborators,$result);
256: my (@collaborators) = split(/\,?\s+/,$coll);
257: foreach (@collaborators) {
258: my $collaborator = $_;
259: if (/@/) {
260: $collaborator =~ s/@/:/;
261: } else {
262: $collaborator = $_.':'.$env{'user.domain'};
263: }
264: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
265: }
266:
267: if (scalar(@badcollaborators)) {
268: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
269: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
270: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
271: }
272: my $toomany = scalar(@collaborators) - $ncol;
273: if ($toomany > 0) {
274: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
275: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
276: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
277: }
278: return $result;
279: }
280:
281: 1;
282: __END__
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