Annotation of loncom/homework/essayresponse.pm, revision 1.35
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # essay (ungraded) style responses
1.5 albertel 3: #
1.35 ! albertel 4: # $Id: essayresponse.pm,v 1.34 2004/03/31 05:23:59 albertel 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: #
1.33 albertel 28:
1.1 albertel 29: package Apache::essayresponse;
30: use strict;
1.33 albertel 31: use Apache::lonxml();
32: use Apache::lonnet();
33: use Apache::lonlocal;
1.1 albertel 34:
1.6 harris41 35: BEGIN {
1.10 ng 36: &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
1.1 albertel 37: }
38:
39: sub start_essayresponse {
1.10 ng 40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
41: my $result;
1.14 albertel 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') {
1.10 ng 46: my $part= $Apache::inputtags::part;
47:
48: my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
1.34 albertel 49: my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
1.17 www 50: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
1.21 www 51: $uploadedfiletypes=~s/[^\w\,]//g;
1.34 albertel 52: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
1.13 ng 53: $result='<br /><table border="1">';
1.22 www 54: $result.='<tr><td>'.
1.33 albertel 55: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked> '.
56: &mt('Submit entries below as answer to receive credit').' <br />'.
57: '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no"> '.
58: &mt('Save entries below as a draft answer (not submitting them for credit yet)').
59: ' </td></tr>';
1.10 ng 60: if ($ncol > 0) {
1.13 ng 61: $result .='<tr><td>'.
62: 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
63: $part.'_'.$id.'" value="'.$coll.'" /><br />'.
1.33 albertel 64: &mt('(Enter maximum [_1] collaborators using username or username@domain, e.g. smithje or smithje@[_2].)',$ncol,$ENV{'user.domain'}).'<br />';
1.10 ng 65: $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
1.13 ng 66: $result .='</td></tr>';
1.10 ng 67: }
1.17 www 68: if ($uploadedfiletypes) {
1.33 albertel 69: $result.='<tr><td>'.&mt('Submit a file:').
70: ' <input type="file" size="50" name="HWFILE'.
1.19 www 71: $part.'_'.$id.'" onFocus="this.form.enctype='.
1.33 albertel 72: "'multipart/form-data'".';" /><br />'.
73: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).
74: '<br />';
1.19 www 75: if ($uploadedfile) {
1.35 ! albertel 76: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
! 77: push (@Apache::lonxml::extlinks,$url);
! 78: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
! 79: my $curfile='<a href="'.$url.
1.33 albertel 80: '"><img src="/adm/lonIcons/unknown.gif" border=0" /> '.
81: $uploadedfile.'</a>';
82: $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
1.19 www 83: } else {
1.33 albertel 84: $result.=&mt('(Hand in a file you have prepared on your computer)');
1.19 www 85: }
86: $result.='</td></tr>';
1.17 www 87: }
1.22 www 88: $result.='</table>';
1.10 ng 89: }
90: return $result;
1.1 albertel 91: }
92:
93: sub end_essayresponse {
1.10 ng 94: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.13 ng 95: my $part = $Apache::inputtags::part;
1.14 albertel 96: my $id = $Apache::inputtags::response[-1];
1.27 albertel 97: my $increment = 1;
1.15 albertel 98: my $result;
1.10 ng 99: if ( $target eq 'grade' ) {
1.14 albertel 100: my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
101: if ($collaborators =~ /[^\s]/) {
1.34 albertel 102: my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
1.14 albertel 103: $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
104: if ($collaborators ne $previous_list);
105: }
1.27 albertel 106: if ( defined($ENV{'form.submitted'}) &&
1.28 albertel 107: $ENV{'form.submitted'} eq 'scantron' ) {
1.31 albertel 108: $increment=&Apache::response::scored_response($part,$id);
1.27 albertel 109: } elsif ( defined($ENV{'form.submitted'}) ) {
1.26 albertel 110: my $response = $ENV{'form.HWVAL_'.$id};
1.22 www 111: my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
112: if (( $response =~ /[^\s]/) || ($filename =~ /[^\s]/)) {
113: my $award;
1.14 albertel 114: if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
115: $award='SUBMITTED';
116: } else {
117: $award='DRAFT';
118: }
1.22 www 119: my $uploadedflag=0;
120: if ($filename =~ /[^\s]/) {
121: my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
122: $uploadedfiletypes=~s/[^\w\,]//g;
123: $uploadedfiletypes=','.$uploadedfiletypes.',';
124: my ($extension)=($filename=~/\.(\w+)$/);
125: if ($uploadedfiletypes=~/\,$extension\,/i) {
126: $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
127: $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
1.35 ! albertel 128: &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id,undef,'essayresponse');
1.22 www 129: $uploadedflag=1;
130: } else {
131: $award='INVALID_FILETYPE';
132: }
133: }
1.10 ng 134: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.14 albertel 135: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
1.10 ng 136: my %previous=&Apache::response::check_for_previous($response,$part,$id);
1.22 www 137: unless ($uploadedflag) { &Apache::response::handle_previous(\%previous,$award); }
1.32 www 138: #
139: # Store with resource author for similarity testing
140: #
141: if ($award eq 'SUBMITTED') {
142: my ($symb,$crsid,$domain,$name)=
143: &Apache::lonxml::whichuser();
144: if ($crsid) {
145: my $akey=$name.'.'.$domain.'.'.$crsid;
146: my $essayurl=
147: &Apache::lonnet::declutter($ENV{'REQUEST_URI'});
148: my ($adom,$aname,$apath)=
149: ($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
150: $apath=&Apache::lonnet::escape($apath);
151: $apath=~s/\W/\_/gs;
152: &Apache::lonnet::put('nohist_essay_'.$apath,
153: { $akey => $response },$adom,$aname);
154: }
155: }
1.10 ng 156: }
157: }
1.15 albertel 158: } elsif ($target eq 'edit') {
159: $result.=&Apache::edit::end_table();
1.16 sakharuk 160: } elsif ($target eq 'tex') {
161: if ($Apache::lonhomework::type eq 'exam') {
1.27 albertel 162: my $repetition=&Apache::response::repetition();
1.25 sakharuk 163: $result.='\begin{enumerate}';
164: for (my $i=0;$i<$repetition;$i++) {
1.27 albertel 165: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).
1.33 albertel 166: '}.]\textit{'.&mt('Leave blank on scoring form').
167: '}\vskip 0 mm';
1.25 sakharuk 168: }
169: $result.= '\end{enumerate}';
1.16 sakharuk 170: }
1.10 ng 171: }
1.27 albertel 172: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
173: $target eq 'tex' || $target eq 'analyze') {
174: &Apache::lonxml::increment_counter($increment);
175: }
1.10 ng 176: &Apache::response::end_response;
1.15 albertel 177: return $result;
1.10 ng 178: }
179:
180: sub check_collaborators {
1.11 ng 181: my ($ncol,$coll) = @_;
1.10 ng 182: my %classlist=&Apache::lonnet::dump('classlist',
183: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
184: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
185: my (@badcollaborators,$result);
186: my (@collaborators) = split(/\,?\s+/,$coll);
187: foreach (@collaborators) {
188: my $collaborator = $_;
189: if (/@/) {
190: $collaborator =~ s/@/:/;
191: } else {
192: $collaborator = $_.':'.$ENV{'user.domain'};
193: }
194: push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
195: }
196:
197: if (scalar(@badcollaborators)) {
1.11 ng 198: $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
199: (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
200: join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
1.10 ng 201: }
202: my $toomany = scalar(@collaborators) - $ncol;
203: if ($toomany > 0) {
204: $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
205: 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
206: ($toomany > 1 ? 's' :'').'.</td></tr></table>';
207: }
208: return $result;
1.1 albertel 209: }
1.2 albertel 210:
211: 1;
212: __END__
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