1: # The LearningOnline Network with CAPA
2: # caparesponse definition
3:
4: package Apache::caparesponse;
5: use strict;
6: use capa;
7:
8: sub BEGIN {
9: &Apache::lonxml::register('Apache::caparesponse',('caparesponse'));
10: }
11:
12: $Apache::caparesponse::result='';
13: sub start_caparesponse {
14: my ($target,$token,$parstack,$parser,$safeeval)=@_;
15: my $args ='';
16: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
17: my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
18: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
19: push (@Apache::inputtags::response,$id);
20: return '';
21: #my $envkey;
22: #foreach $envkey (sort keys %ENV) {
23: # Apache::lonxml::debug("$envkey ---- $ENV{$envkey}<br>");
24: #}
25: #Apache::lonxml::debug("\n<br>\nreal caparesponse<br>\n");
26: }
27:
28: sub end_caparesponse {
29: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
30: my $result = '';
31: if ( defined $ENV{'form.submit'}) {
32: $Apache::caparesponse::result='';
33: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
34: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::curvalue};
35: $Apache::lonhomework::results{"resource.submission.$Apache::inputtags::part.$Apache::inputtags::response['-1'].response"}=$response;
36: &Apache::lonxml::debug("submitted a $response<br>\n");
37: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
38: my $expression="&caparesponse_check('".$response."','".
39: $$parstack[$#$parstack].
40: ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
41: ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
42: "');";
43: $result = &Apache::run::run($expression,$safeeval);
44: &Apache::lonxml::debug("$expression");
45: &Apache::lonxml::debug("\n<br>result:$Apache::caparesponse::result:$result:$Apache::lonxml::curdepth<br>\n");
46:
47: } else {
48: #return "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
49: }
50: #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
51: pop @Apache::inputtags::part;
52: return '';
53: }
54:
55: 1;
56: __END__
57:
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