--- loncom/homework/essayresponse.pm 2001/08/13 21:44:24 1.4
+++ loncom/homework/essayresponse.pm 2003/01/24 18:30:54 1.20
@@ -1,37 +1,165 @@
# The LearningOnline Network with CAPA
# essay (ungraded) style responses
+#
+# $Id: essayresponse.pm,v 1.20 2003/01/24 18:30:54 www Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
# 4/3 Guy
+# July, 2002, H. K. Ng
+#
package Apache::essayresponse;
use strict;
+use Apache::lonxml;
+use Apache::lonnet;
-sub BEGIN {
- &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
+BEGIN {
+ &Apache::lonxml::register('Apache::essayresponse',('essayresponse'));
}
sub start_essayresponse {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $result;
- my $id = &Apache::response::start_response($parstack,$safeeval);
- if ($target eq 'meta') {
- $result=&Apache::response::meta_package_write('essayresponse');
- }
- return $result;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result;
+ my $id = &Apache::response::start_response($parstack,$safeeval);
+ if ($target eq 'meta') {
+ $result=&Apache::response::meta_package_write('essayresponse');
+ } elsif ($target eq 'web') {
+ my $part= $Apache::inputtags::part;
+
+ my $ncol= &Apache::lonnet::EXT("resource.$part".'_'."$id.maxcollaborators");
+ my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
+ my $uploadedfiletypes= &Apache::lonnet::EXT("resource.$part".'_'."$id.uploadedfiletypes");
+ my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"});
+ $result='<br /><table border="1">';
+ if ($ncol > 0) {
+ $result .='<tr><td>'.
+ 'Collaborators: <input type="text" size="70" max="80" name="HWCOL'.
+ $part.'_'.$id.'" value="'.$coll.'" /><br />'.
+ '(Enter maximum '.$ncol.' collaborators using username or username@domain, e.g. '.
+ 'smithje or smithje@'.$ENV{'user.domain'}.'.)<br />';
+ $result .= &check_collaborators($ncol,$coll) if ($coll =~ /\w+/);
+ $result .='</td></tr>';
+ }
+ if ($uploadedfiletypes) {
+ $result.=
+'<tr><td>Submit a file: <input type="file" size="50" name="HWFILE'.
+ $part.'_'.$id.'" onFocus="this.form.enctype='.
+"'multipart/form-data'".';" /><br />Allowed filetypes: <b>'.$uploadedfiletypes.'</b><br />';
+ if ($uploadedfile) {
+ $result.='Currently submitted: <tt><a href="'.
+ &Apache::lonnet::tokenwrapper($Apache::lonhomework::history{"resource.$part.$id.uploadedurl"}).'">'.$uploadedfile.'</a></tt>';
+ } else {
+ $result.='(Hand in a file you have prepared on your computer)';
+ }
+ $result.='</td></tr>';
+ }
+ $result.='<tr><td>'.
+ '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="yes" checked>'.
+ ' Submit text below as answer to receive credit <br />'.
+ '<input type="radio" name="HWDRAFT'.$part.'_'.$id.'" value="no">'.
+ ' Save text below as a draft answer (not submitting it for credit yet) '.
+ '</td></tr></table>';
+ }
+ return $result;
}
sub end_essayresponse {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- if ( $target eq 'grade' ) {
- if ( defined $ENV{'form.submitted'}) {
- my $id = $Apache::inputtags::response['-1'];
- my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
- if ( $response =~ /[^\s]/) {
- $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
- $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}="SUBMITTED";
- }
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $part = $Apache::inputtags::part;
+ my $id = $Apache::inputtags::response[-1];
+ my $result;
+ if ( $target eq 'grade' ) {
+ my $collaborators = $ENV{'form.HWCOL'.$part.'_'.$id};
+ if ($collaborators =~ /[^\s]/) {
+ my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"});
+ $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
+ if ($collaborators ne $previous_list);
+ }
+ my $filename= $ENV{'form.HWFILE'.$part.'_'.$id.'.filename'};
+ if ($filename =~ /[^\s]/) {
+ $Apache::lonhomework::results{"resource.$part.$id.uploadedfile"}=$filename;
+ $Apache::lonhomework::results{"resource.$part.$id.uploadedurl"}=
+ &Apache::lonnet::userfileupload('HWFILE'.$part.'_'.$id);
+ }
+ if ( defined $ENV{'form.submitted'}) {
+ my $response = $ENV{'form.HWVAL'.$id};
+ if ( $response =~ /[^\s]/) {
+ my $award;
+ if ($ENV{'form.HWDRAFT'.$part.'_'.$id} eq 'yes') {
+ $award='SUBMITTED';
+ } else {
+ $award='DRAFT';
+ }
+ $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
+ $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$award;
+ my %previous=&Apache::response::check_for_previous($response,$part,$id);
+ &Apache::response::handle_previous(\%previous,$award);
+ }
+ }
+ } elsif ($target eq 'edit') {
+ $result.=&Apache::edit::end_table();
+ } elsif ($target eq 'tex') {
+ if ($Apache::lonhomework::type eq 'exam') {
+ $result.='\begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Live blank on scoring form}\vskip 0 mm';
+ &Apache::lonxml::increment_counter();
+ $result.= '\item[\textbf{'.$Apache::lonxml::counter.'}.]\textit{Leave blank on scoring form}\vskip 0 mm \end{enumerate}';
+ &Apache::lonxml::increment_counter();
+ }
+ }
+
+ &Apache::response::end_response;
+ return $result;
+}
+
+sub check_collaborators {
+ my ($ncol,$coll) = @_;
+ my %classlist=&Apache::lonnet::dump('classlist',
+ $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
+ my (@badcollaborators,$result);
+ my (@collaborators) = split(/\,?\s+/,$coll);
+ foreach (@collaborators) {
+ my $collaborator = $_;
+ if (/@/) {
+ $collaborator =~ s/@/:/;
+ } else {
+ $collaborator = $_.':'.$ENV{'user.domain'};
+ }
+ push @badcollaborators, $_ if (!grep /^$collaborator/i,keys %classlist);
+ }
+
+ if (scalar(@badcollaborators)) {
+ $result = '<table border="0"><tr bgcolor="#ffbbbb"><td> The following user'.
+ (scalar(@badcollaborators) > 1 ? 's are' : ' is').' invalid: '.
+ join(', ',@badcollaborators).'. Please correct.</td></tr></table>';
+ }
+ my $toomany = scalar(@collaborators) - $ncol;
+ if ($toomany > 0) {
+ $result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>'.
+ 'You have too many collaborators. Please remove '.$toomany.' collaborator'.
+ ($toomany > 1 ? 's' :'').'.</td></tr></table>';
}
- }
- &Apache::response::end_response;
- return '';
+ return $result;
}
1;