Annotation of loncom/homework/externalresponse.pm, revision 1.12
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # external style responses
3: #
1.12 ! foxr 4: # $Id: externalresponse.pm,v 1.11 2007/10/08 09:22:50 foxr Exp $
1.1 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: #
1.6 albertel 28:
1.1 albertel 29: package Apache::externalresponse;
30: use strict;
31: use HTTP::Request::Common;
32: use Apache::loncapagrade;
1.4 albertel 33: use Apache::lonnet;
1.1 albertel 34:
35: BEGIN {
1.5 albertel 36: &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
1.1 albertel 37: }
38:
39: #FIXME
1.10 albertel 40: # send of response params and their current values (form good enough?
41: # what parameters to send?)
42: # Need to get returned message displayed
1.1 albertel 43: sub start_externalresponse {
1.5 albertel 44: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
45: my $result;
46: my $id = &Apache::response::start_response($parstack,$safeeval);
1.10 albertel 47:
48: if ($target eq 'edit') {
49: $result .=&Apache::edit::tag_start($target,$token);
50: $result .=&Apache::edit::text_arg('URL:','url',$token,60).'<br />';
51: $result .=&Apache::edit::text_arg('Answer:','answer',$token);
52: $result .=&Apache::edit::text_arg('Form:','form',$token);
53: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
54: } elsif ($target eq 'modified') {
55: my $constructtag =
56: &Apache::edit::get_new_args($token,$parstack,$safeeval,
57: 'answer','form','url');
58: if ($constructtag) {
59: $result = &Apache::edit::rebuild_tag($token);
60: }
61: } elsif ($target eq 'meta') {
62: $result=&Apache::response::meta_package_write('externalresponse');
63: }
64:
1.5 albertel 65: return $result;
1.1 albertel 66: }
67:
68: sub end_externalresponse {
1.5 albertel 69: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
70: my $result;
1.6 albertel 71: my $part=$Apache::inputtags::part;
72: my $id = $Apache::inputtags::response['-1'];
73: my $increment = 1;
1.5 albertel 74: if ($target eq 'grade') {
1.6 albertel 75: if ( &Apache::response::submitted('scantron') ) {
76: my $increment=&Apache::response::scored_response($part,$id);
77: } elsif ( &Apache::response::submitted() ) {
78: my $response = &Apache::response::getresponse();
1.5 albertel 79: if ( $response =~ /[^\s]/) {
80: my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
81: my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
82: my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
83: $form{'LONCAPA_student_response'}=$response;
84: $form{'LONCAPA_correct_answer'}=$answer;
85: $form{'LONCAPA_language'}=
86: &Apache::lonnet::metadata($ENV{'REQUEST_URI'},'language');
87: &Apache::lonxml::debug("Asking $url, with:");
88: &Apache::lonhomework::showhash(%form);
89: my $ua = LWP::UserAgent->new;
90: my $res = $ua->request(POST $url, \%form);
91: my %previous = &Apache::response::check_for_previous($response,
1.6 albertel 92: $part,$id);
1.5 albertel 93: %Apache::loncapagrade::results=();
1.6 albertel 94: $Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
1.9 albertel 95: if ($res->is_error()) {
1.6 albertel 96: $Apache::loncapagrade::results{'awarddetail'}='ERROR';
1.5 albertel 97: } else {
1.6 albertel 98: &Apache::lonxml::register('Apache::loncapagrade',
99: ('loncapagrade'));
1.8 albertel 100: @Apache::scripttag::parser_env = @_;
1.5 albertel 101: my $result=&Apache::scripttag::xmlparse($res->{_content});
102: &Apache::lonxml::debug("Got a result of :$result:");
103: }
1.6 albertel 104: foreach my $key (keys(%Apache::loncapagrade::results)) {
105: $Apache::lonhomework::results{"resource.$part.$id.$key"}=
1.5 albertel 106: $Apache::loncapagrade::results{$key};
107: }
108: &Apache::response::handle_previous(\%previous,
109: $Apache::loncapagrade::results{'awarddetail'});
110: &Apache::lonxml::debug("response of");
111: &Apache::lonhomework::showhash(%$res);
1.6 albertel 112: &Apache::lonxml::debug("capagrade of");
1.5 albertel 113: &Apache::lonhomework::showhash(%Apache::loncapagrade::results);
1.6 albertel 114: &Apache::lonxml::debug("results of");
115: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
1.5 albertel 116: }
1.1 albertel 117: }
118: }
1.7 albertel 119: if ($target eq 'web') {
120: &Apache::response::setup_prior_tries_hash(\&format_prior_response);
121: }
122:
1.6 albertel 123: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
124: $target eq 'tex' || $target eq 'analyze') {
1.12 ! foxr 125: &Apache::lonxml::increment_counter($increment, "$part.$id");
1.11 foxr 126:
127: if ($target eq 'analyze') {
128: &Apache::lonhomework::set_bubble_lines();
129: }
1.6 albertel 130: }
131: &Apache::response::end_response();
1.5 albertel 132: return $result;
1.1 albertel 133: }
134:
1.7 albertel 135: sub format_prior_response {
136: my ($mode,$answer) =@_;
137: return '<span class="LC_prior_external">'.
138: &HTML::Entities::encode($answer,'"<>&').'</span>';
139: }
140:
1.1 albertel 141: 1;
142: __END__
143:
144:
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