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','numericalresponse'));
10: }
11:
12: sub start_caparesponse {
13: my ($target,$token,$parstack,$parser,$safeeval)=@_;
14: my $id = &Apache::response::start_response($parstack,$safeeval);
15: return '';
16: }
17:
18: sub end_caparesponse {
19: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
20: my $result = '';
21: if ( $target eq 'grade' ) {
22: if ( defined $ENV{'form.submitted'}) {
23: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
24: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
25: if ( $response =~ /[^\s]/) {
26: my $id = $Apache::inputtags::response['-1'];
27: my $previous= &Apache::response::check_for_previous($response,$id,$response);
28: if ( $previous ) {
29: $result = 'PREVIOUSLY_USED';
30: } else {
31: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
32: &Apache::lonxml::debug("submitted a $response<br>\n");
33: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
34: my $expression="&caparesponse_check('".$response."','".
35: $$parstack[$#$parstack].
36: ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
37: ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
38: "');";
39: $result = &Apache::run::run($expression,$safeeval);
40: my ($ad) = split /:/ , $result;
41: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
42: &Apache::lonxml::debug("$expression");
43: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
44: }
45: }
46: }
47: } elsif ($target eq 'web') {
48: #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
49: }
50: #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
51: &Apache::response::end_response;
52: return '';
53: }
54:
55: sub start_numericalresponse {
56: my ($target,$token,$parstack,$parser,$safeeval)=@_;
57: my $id = &Apache::response::start_response($parstack,$safeeval);
58: return '';
59: }
60:
61: sub end_numericalresponse {
62: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
63: my $result = '';
64: if ( $target eq 'grade' ) {
65: if ( defined $ENV{'form.submitted'}) {
66: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
67: my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
68: if ( $response =~ /[^\s]/) {
69: my $id = $Apache::inputtags::response['-1'];
70: my $previous= &Apache::response::check_for_previous($response,$id,$response);
71: if ( $previous ) {
72: $result = 'PREVIOUSLY_USED';
73: } else {
74: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
75: &Apache::lonxml::debug("submitted a $response<br>\n");
76: &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
77: $response =~ s/\\/\\\\/g;
78: $response =~ s/\'/\\\'/g;
79: &Apache::lonxml::debug("current $response");
80: my $expression="&caparesponse_check_list('".$response."','".
81: $$parstack[$#$parstack].
82: ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
83: ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
84: "');";
85: $result = &Apache::run::run($expression,$safeeval);
86: my ($awards) = split /:/ , $result;
87: my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
88: $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
89: &Apache::lonxml::debug("$expression");
90: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
91: $result='';
92: }
93: }
94: }
95: } elsif ($target eq 'web') {
96: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
97: my $status = $Apache::inputtags::status['-1'];
98: if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
99: my $answervar=&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval);
100: my (@answers)=&Apache::run::run("$answervar",$safeeval);
101: my $unit=&Apache::run::run("{$$parstack['-1'];".'return $unit}',$safeeval);
102:
103: $result="<br></br>The computer got ";
104: my $answer;
105: foreach $answer (@answers) { $result.="$answer,"; }
106: chop $result;
107: $result.=" $unit.<br></br>";
108: }
109: }
110: &Apache::response::end_response;
111: return $result;
112: }
113:
114: 1;
115: __END__
116:
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