--- loncom/homework/externalresponse.pm 2005/04/07 06:56:21 1.4
+++ loncom/homework/externalresponse.pm 2010/12/20 20:15:55 1.17
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# external style responses
#
-# $Id: externalresponse.pm,v 1.4 2005/04/07 06:56:21 albertel Exp $
+# $Id: externalresponse.pm,v 1.17 2010/12/20 20:15:55 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,76 +25,168 @@
#
# http://www.lon-capa.org/
#
-# 1/26 Guy
+
+
+
package Apache::externalresponse;
use strict;
use HTTP::Request::Common;
use Apache::loncapagrade;
use Apache::lonnet;
+use Apache::lonlocal;
BEGIN {
- &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
+ &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
}
-#FIXME
-# send of response params and there current values
-# accept a string to be printed out (Where does it get shown?) (.message)
-# need to get a correct answer from somewhere (probably here since randomized)
+=pod
+
+=head1 FIXME (start_externalresponse)
+
+send of response params and their current values (form good enough? what parameters to send?)
+Need to get returned message displayed
+
+=cut
+
+
sub start_externalresponse {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $result;
- my $id = &Apache::response::start_response($parstack,$safeeval);
- return $result;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result;
+ my $id = &Apache::response::start_response($parstack,$safeeval);
+
+ if ($target eq 'edit') {
+ $result .=&Apache::edit::tag_start($target,$token);
+ $result .=&Apache::edit::text_arg('URL:','url',$token,60).'<br />';
+ $result .=&Apache::edit::text_arg(&mt('Answer:'),'answer',$token);
+ $result .=&Apache::edit::text_arg(&mt('Form:'),'form',$token).'<br />';
+ $result .=&Apache::edit::text_arg(&mt('Answer display:'),'answerdisplay',$token,80);
+ $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ } elsif ($target eq 'modified') {
+ my $constructtag =
+ &Apache::edit::get_new_args($token,$parstack,$safeeval,
+ 'answerdisplay','answer','form','url');
+ if ($constructtag) {
+ $result = &Apache::edit::rebuild_tag($token);
+ }
+ } elsif ($target eq 'meta') {
+ $result=&Apache::response::meta_package_write('externalresponse');
+ }
+
+ return $result;
}
sub end_externalresponse {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
- my $result;
- if ($target eq 'grade') {
- if ( defined $env{'form.submitted'}) {
- my $id = $Apache::inputtags::response['-1'];
- my $response = $env{'form.HWVAL_'.$id};
- if ( $response =~ /[^\s]/) {
- my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
- my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
- my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
- $form{'LONCAPA_student_response'}=$response;
- $form{'LONCAPA_correct_answer'}=$answer;
- $form{'LONCAPA_language'}=
- &Apache::lonnet::metadata($ENV{'REQUEST_URI'},'language');
- &Apache::lonxml::debug("Asking $url, with:");
- &Apache::lonhomework::showhash(%form);
- my $ua = LWP::UserAgent->new;
- my $res = $ua->request(POST $url, \%form);
- my $partid = $Apache::inputtags::part;
- my $id = $Apache::inputtags::response['-1'];
- my %previous = &Apache::response::check_for_previous($response,
- $partid,$id);
- %Apache::loncapagrade::results=();
- if ($res->{_rc} != '200') {
- $Apache::loncapagrade::results{'awardetail'}='ERROR';
- } else {
- &Apache::lonxml::register('Apache::loncapagrade',('loncapagrade'));
- my $result=&Apache::scripttag::xmlparse($res->{_content});
- &Apache::lonxml::debug("Got a result of :$result:");
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+ my $result;
+ my $part=$Apache::inputtags::part;
+ my $id = $Apache::inputtags::response['-1'];
+ my $increment = 1;
+ if ($target eq 'grade') {
+ if ( &Apache::response::submitted('scantron') ) {
+ my $increment=&Apache::response::scored_response($part,$id);
+ } elsif ( &Apache::response::submitted() ) {
+ my $response = &Apache::response::getresponse();
+ if ( $response =~ /[^\s]/) {
+ my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
+ my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
+ my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
+ $form{'LONCAPA_student_response'}=$response;
+ $form{'LONCAPA_correct_answer'}=$answer;
+ $form{'LONCAPA_language'}=
+ &Apache::lonnet::metadata($ENV{'REQUEST_URI'},'language');
+ &Apache::lonxml::debug("Asking $url, with:");
+ &Apache::lonhomework::showhash(%form);
+ my $ua = LWP::UserAgent->new;
+ my $res = $ua->request(POST $url, \%form);
+ my %previous = &Apache::response::check_for_previous($response,
+ $part,$id);
+ %Apache::loncapagrade::results=();
+ $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
+ if ($res->is_error()) {
+ $Apache::loncapagrade::results{'awarddetail'}='ERROR';
+ } else {
+ &Apache::lonxml::register('Apache::loncapagrade',
+ ('loncapagrade'));
+ @Apache::scripttag::parser_env = @_;
+ my $result=&Apache::scripttag::xmlparse($res->{_content});
+ &Apache::lonxml::debug("Got a result of :$result:");
+ }
+ foreach my $key (keys(%Apache::loncapagrade::results)) {
+ $Apache::lonhomework::results{"resource.$part.$id.$key"}=
+ $Apache::loncapagrade::results{$key};
+ }
+ $Apache::externalresponse::message=$Apache::loncapagrade::results{'message'};
+ &Apache::response::handle_previous(\%previous,
+ $Apache::loncapagrade::results{'awarddetail'});
+ &Apache::lonxml::debug("response of");
+ &Apache::lonhomework::showhash(%$res);
+ &Apache::lonxml::debug("capagrade of");
+ &Apache::lonhomework::showhash(%Apache::loncapagrade::results);
+ &Apache::lonxml::debug("results of");
+ &Apache::lonhomework::showhash(%Apache::lonhomework::results);
+ }
}
- foreach my $key (%Apache::loncapagrade::results) {
- $Apache::lonhomework::results{"resource.$partid.$id.$key"}=
- $Apache::loncapagrade::results{$key};
+ }
+ if ($target eq 'web') {
+ &Apache::response::setup_prior_tries_hash(\&format_prior_response);
+ if (&Apache::response::show_answer()) {
+ $result.='<table border="1"><tr><th>'.&mt('Your answer:').'</th><th>'.&mt("Computer's answer information").'</th></tr><tr><td><pre>'.
+ $Apache::lonhomework::history{"resource.$part.$id.submission"}.
+ '</pre></td><td><pre>'.&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval).
+ '</pre></td></tr></table>';
+ }
+ if ($Apache::externalresponse::message) {
+ $result.='<br /><table><tr><td bgcolor="#FFFFAA">'.$Apache::externalresponse::message.'</td></tr></table><br />';
+ }
+ $Apache::externalresponse::message='';
+ }
+
+ if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
+ $target eq 'tex' || $target eq 'analyze') {
+ &Apache::lonxml::increment_counter($increment, "$part.$id");
+
+ if ($target eq 'analyze') {
+ $Apache::lonhomework::analyze{"$part.$id.type"} = 'externalresponse';
+ &Apache::lonhomework::set_bubble_lines();
}
- &Apache::response::handle_previous(\%previous,
- $Apache::loncapagrade::results{'awarddetail'});
- &Apache::lonxml::debug("response of");
- &Apache::lonhomework::showhash(%$res);
- &Apache::lonhomework::showhash(%Apache::loncapagrade::results);
- }
}
- }
- &Apache::response::end_response;
- return $result;
+ &Apache::response::end_response();
+ return $result;
+}
+
+sub format_prior_response {
+ my ($mode,$answer) =@_;
+ return '<span class="LC_prior_external">'.
+ &HTML::Entities::encode($answer,'"<>&').'</span>';
}
1;
__END__
+=pod
+
+=head1 NAME
+
+Apache::externalresponse.pm
+
+=head1 SYNOPSIS
+
+Handler to evaluate externally graded responses.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 SUBROUTINES
+
+=over
+
+=item start_externalresponse()
+
+=item end_externalresponse()
+
+=item format_prior_response()
+
+=back
+
+=cut