1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
3: #
4: # $Id: essayresponse.pm,v 1.83 2007/08/10 20:09:30 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 LONCAPA;
35:
36:
37: BEGIN {
38: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
39: }
40:
41: sub start_essayresponse {
42: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
43: my $result;
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: if ($target eq 'meta') {
46: $result=&Apache::response::meta_package_write('essayresponse');
47: } elsif ($target eq 'web' &&
48: $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
49: my $part= $Apache::inputtags::part;
50: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
51: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
52: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
53: $uploadedfiletypes=~s/[^\w\,]//g;
54: if ( $Apache::lonhomework::type eq 'survey' ) {
55: $result.= '<input type="hidden" name="HWDRAFT'.$part.'_'.$id.'" value="yes" /> ';
56: }
57: $result.='<br /><table border="1">';
58: if ( $Apache::lonhomework::type ne 'survey' ) {
59: $result.= '<tr><td>'.
60: '<label>'.
61: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked="checked" /> '.
62: &mt('Submit entries below as answer to receive credit').
63: '</label> <br />'.
64: '<label>'.
65: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no" /> '.
66: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
67: '</label>'.
68: '</td></tr>';
69: }
70:
71: if ($ncol > 0) {
72: $result .='<tr><td>'.'<label>'.
73: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
74: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
75: &mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$env{'user.domain'}).
76: '</label><br />';
77: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
78: $result .='</td></tr>';
79: }
80: $result.=&Apache::inputtags::file_selector($part,$id,
81: $uploadedfiletypes,'both');
82: $result.='</table>';
83: } elsif ($target eq 'web' &&
84: $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
85: my $part= $Apache::inputtags::part;
86: my @msgs;
87: if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
88: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
89: $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
90: }
91:
92: my $file_submission =
93: &Apache::inputtags::show_past_file_submission($part,$id);
94: if ($file_submission) {
95: $result .= '<td>'.$file_submission.'</td>';
96: }
97:
98: my $port_submission =
99: &Apache::inputtags::show_past_portfile_submission($part,$id);
100: if ($port_submission) {
101: $result .= '<td>'.$port_submission.'</td>';
102: }
103:
104: if ($result ne '') {
105: $result =
106: '<table class="LC_pastsubmission"><tr>'.$result.
107: '</tr></table>';
108: }
109: }
110: return $result;
111: }
112:
113: sub end_essayresponse {
114: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
115: my $part = $Apache::inputtags::part;
116: my $id = $Apache::inputtags::response[-1];
117: my $increment = &Apache::response::repetition();
118: my $result;
119: if ( $target eq 'grade' ) {
120: my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
121: if ($collaborators =~ /[^\s]/) {
122: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
123: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
124: if ($collaborators ne $previous_list);
125: }
126: if ( &Apache::response::submitted('scantron') ) {
127: $increment=&Apache::response::scored_response($part,$id);
128: } elsif ( &Apache::response::submitted() ) {
129: my $response = $env{'form.HWVAL_'.$id};
130: my $filename= $env{'form.HWFILE'.$part.'_'.$id.'.filename'};
131: my $portfiles = $env{'form.HWPORT'.$part.'_'.$id};
132: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/) || ($portfiles =~ /[^\s]/)) {
133: my $award='DRAFT';
134: if ($env{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
135: $award='SUBMITTED';
136: }
137: my $uploadedflag=0;
138: &file_submission($part,$id,'filename',\$award,\$uploadedflag);
139: &file_submission($part,$id,'portfiles',\$award,\$uploadedflag);
140: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
141: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
142: my %previous=&Apache::response::check_for_previous($response,$part,$id);
143: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
144: #
145: # Store with resource author for similarity testing
146: #
147: if ($award eq 'SUBMITTED') {
148: my ($symb,$crsid,$domain,$name)=
149: &Apache::lonnet::whichuser();
150: if ($crsid) {
151: my $akey=join('.',&escape($name),&escape($domain),
152: &escape($crsid));
153: my $essayurl=
154: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
155: my ($adom,$aname,$apath)=
156: ($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/);
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: $result.=&Apache::response::answer_header($$tagstack[-1]);
174: my $answer = &mt('Essay will be hand graded.');
175: $result.=&Apache::response::answer_part($$tagstack[-1],$answer,
176: {'no_verbatim' => 1});
177: $result.=&Apache::response::answer_footer($$tagstack[-1]);
178: }
179: if ($target eq 'web') {
180: &Apache::response::setup_prior_tries_hash(\&format_prior_response,
181: ['portfiles',
182: 'uploadedurl']);
183: }
184:
185: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
186: $target eq 'tex' || $target eq 'analyze') {
187: &Apache::lonxml::increment_counter($increment);
188: }
189: &Apache::response::end_response;
190:
191: return $result;
192: }
193:
194: sub format_prior_response {
195: my ($mode,$answer,$other_data) = @_;
196: my $output;
197:
198: my (undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
199: my $port_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
200:
201: my $file_list;
202:
203: foreach my $file (split(/\s*,\s*/,
204: $other_data->[0].','.$other_data->[1])) {
205: next if ($file!~/\S/);
206: if ($file !~ m{^/uploaded/}) { $file=$port_url.$file; }
207: $file=~s|/+|/|g;
208: &Apache::lonnet::allowuploaded('/adm/essayresponse',$file);
209: $file_list.='<li><span class="LC_nobreak"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
210: &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
211: '</a></span></li>'."\n";
212: }
213: if ($file_list) {
214: $output.= &mt('Submitted Files').'<ul>'.$file_list.'</ul>';
215: }
216: if ($answer =~ /\S/) {
217: $output.='<p>'.&mt('Submitted text').
218: '<blockquote>'.$answer.'</blockquote></p>';
219: }
220:
221: return '<div class="LC_prior_essay">'.$output.'</div>';
222: }
223:
224: sub file_submission {
225: my ($part,$id,$which,$award,$uploadedflag)=@_;
226: my $files;
227: my $jspart=$part;
228: $jspart=~s/\./_/g;
229: if ($which eq 'portfiles') { $files= $env{'form.HWPORT'.$jspart.'_'.$id}; }
230: if ($which eq 'filename') {
231: $files = $env{'form.HWFILE'.$jspart.'_'.$id.'.filename'};
232: }
233:
234: if ($files =~ /[^\s]/) {
235: $files =~s/,$//;
236: $Apache::lonhomework::results{"resource.$part.$id.$which"}=$files;
237:
238: my @submitted_files = ($files);
239: if ( $which eq 'portfiles' ) {
240: @submitted_files = split(/\s*,\s*/,$files);
241: }
242:
243: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
244: if ($uploadedfiletypes) {
245: $uploadedfiletypes=~s/[^\w\,]//g;
246: $uploadedfiletypes=','.$uploadedfiletypes.',';
247: foreach my $file (@submitted_files) {
248: my ($extension)=($file=~/\.(\w+)$/);
249: unless ($uploadedfiletypes=~/\,$extension\,/i) {
250: $$award='INVALID_FILETYPE';
251: }
252: }
253: }
254: if ($$award ne 'INVALID_FILETYPE' && ref($uploadedflag)) {
255: $$uploadedflag=1;
256: }
257: if ($$award ne 'INVALID_FILETYPE' && $which eq 'portfiles') {
258: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
259: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
260: &Apache::lonnet::mark_as_readonly($domain,$name,\@submitted_files,[$symb,$crsid]);
261: &Apache::lonnet::clear_selected_files($name);
262: }
263: if ($$award ne 'INVALID_FILETYPE' && $which eq 'filename') {
264: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=
265: $files;
266: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
267: &Apache::lonnet::userfileupload('HWFILE'.$jspart.'_'.$id,undef,
268: 'essayresponse');
269: }
270: } elsif ($which eq 'portfiles' &&
271: $Apache::lonhomework::history{"resource.$part.$id.$which"}) {
272: my ($symb,$crsid,$domain,$name)=&Apache::lonnet::whichuser();
273: &Apache::lonnet::unmark_as_readonly($domain,$name,[$symb,$crsid]);
274: $Apache::lonhomework::results{"resource.$part.$id.$which"}="";
275: }
276: }
277:
278: sub check_collaborators {
279: my ($ncol,$coll) = @_;
280: my %classlist=&Apache::lonnet::dump('classlist',
281: $env{'course.'.$env{'request.course.id'}.'.domain'},
282: $env{'course.'.$env{'request.course.id'}.'.num'});
283: my (@badcollaborators,$result);
284: my (@collaborators) = split(/\,?\s+/,$coll);
285: foreach (@collaborators) {
286: my $collaborator = $_;
287: if (/@/) {
288: $collaborator =~ s/@/:/;
289: } else {
290: $collaborator = $_.':'.$env{'user.domain'};
291: }
292: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
293: }
294:
295: if (scalar(@badcollaborators)) {
296: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
297: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
298: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
299: }
300: my $toomany = scalar(@collaborators) - $ncol;
301: if ($toomany > 0) {
302: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
303: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
304: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
305: }
306: return $result;
307: }
308:
309: 1;
310: __END__
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