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